Chain type roller riveting equipment and clothesline pole production system applying same

Abstract

The utility model relates to the technical field of sheet metal accessory roller riveting automatic production. The utility model provides chain type roller riveting equipment, which is used for riveting a hole sleeve on a hole of a strip-shaped sheet metal part and comprises an upper pressing die rotating device, a lower pressing die rotating device and a rack, the rack is used for mounting the upper pressing die rotating device and the lower pressing die rotating device; the bottom of the upper pressing die rotating device and the top of the lower pressing die rotating device are matched in a butt joint mode when a hole sleeve is rolled and riveted. The utility model further provides a clothesline pole production system using the chain type roller riveting equipment. According to the riveting device, the automatic production efficiency and quality of riveting the hole sleeve on the hole of the strip-shaped sheet metal part are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sheet metal accessory roll riveting automation production technical field, concretely relates to a chain type roll riveting equipment and the clothesline production system of application thereof. BACKGROUND

[0002] The traditional punching riveting equipment is not suitable for riveting hole sleeves of sheet metal parts with multiple holes in batches, especially for riveting stainless steel hole sleeve rings of clothesline with multiple hanging holes in batches, and has the disadvantages of low production efficiency and easy cracking of hole sleeves. Figure 1 The disclosed rivet machine, the patent document attached Figure 1 The disclosed rivet machine, the patent document attached Figure 1 The disclosed rivet machine, the patent document attached These traditional punching riveting equipment or device is more suitable for soft base material, and still has the disadvantage of low riveting quality when riveting hole sleeves on metal plate holes by using these traditional punching riveting equipment or device.

[0003] Although the hole sleeve made of ordinary steel or aluminum alloy material is not easy to crack when riveted by the existing riveting equipment with proper force and accurate alignment, it has the disadvantage of low operation efficiency, and the hole sleeve made of stainless steel material is easy to crack when riveted in batches by the existing riveting equipment. SUMMARY

[0004] Therefore, it is necessary to propose a chain type roll riveting equipment and a clothesline production system applying the same to overcome the shortcomings in the background art and solve the following technical problems: how to improve the automation production efficiency and quality of riveting holes of strip-shaped sheet metal parts and corresponding hole sleeves.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] The utility model provides a chain type roll riveting equipment for riveting hole sleeves on strip-shaped sheet metal parts, which comprises an upper die rotating device, a lower die rotating device and a rack.

[0007] The bottom of the upper die rotating device and the top of the lower die rotating device are in butt joint when riveting hole sleeves.

[0008] Further, the upper die rotating device and the lower die rotating device are respectively continuously rotated when cooperating with each other to rivet the hole sleeve; the upper die rotating device comprises a first track ring layer arranged in an inner ring and a first stamping ring layer arranged in an outer ring and mounted on the periphery of the first track ring layer; the first track ring layer is a first closed-loop rotating track; the lower die rotating device comprises a second track ring layer arranged in an inner ring and a second stamping ring layer arranged in an outer ring and mounted on the periphery of the second track ring layer; the second track ring layer is a second closed-loop rotating track.

[0009] The rotating direction of the track of the first track ring layer is opposite to that of the second track ring layer; the bottom of the first stamping ring layer is in abutment with the top of the second stamping ring layer when riveting the hole sleeve.

[0010] Further, the upper die rotating device is located above the lower die rotating device, and the transverse length of the lower die rotating device is greater than that of the upper die rotating device; when the strip-shaped metal piece is transmitted by the lower die rotating device to below the upper die rotating device, the hole sleeve placed in the strip-shaped metal piece is pressed from top to bottom by the first stamping ring layer and the second stamping ring layer, so that each hole sleeve is riveted to a corresponding hole.

[0011] Further, the upper die rotating device further comprises a first driving assembly; the first stamping ring layer comprises a plurality of first roller pressing modules; the first driving assembly is used for driving the first closed-loop rotating track to rotate; each first roller pressing module is arranged in an array on the first closed-loop rotating track, and a working surface of the first roller pressing module away from the first closed-loop rotating track is provided with a first concave / convex stamping structure; the first closed-loop rotating track serves as a closed-loop rotating chain belt and is used for driving each first roller pressing module to make a circulating coiling movement, so that the first concave / convex stamping structure presses a corresponding hole sleeve from top to bottom.

[0012] The lower die rotating device further comprises a second driving assembly; the second stamping ring layer comprises a plurality of second roller pressing modules; the second driving assembly is used for driving the second closed-loop rotating track to rotate; each second roller pressing module is arranged in an array on the second closed-loop rotating track, and a working surface of the second roller pressing module away from the second closed-loop rotating track is provided with a second convex / concave stamping structure; the second closed-loop rotating track serves as a closed-loop rotating chain belt and is used for driving each second roller pressing module to make a circulating coiling movement, so that the second convex / concave stamping structure presses a corresponding hole sleeve from bottom to top.

[0013] When the strip-shaped metal piece is transmitted by the lower die rotating device to below the upper die rotating device, the first concave / convex stamping structure in the riveting hole sleeve working state is in one-to-one abutment with the second convex / concave stamping structure in the riveting hole sleeve working state.

[0014] Further, the first driving assembly comprises a first driving motor, a first transmission gear and a first supporting and guiding mechanism; the first driving motor and the first supporting and guiding mechanism are both mounted on the frame; the first driving motor drives the first transmission gear to rotate, so that the first transmission gear drives the first closed-loop rotary track to rotate; the first supporting and guiding mechanism movably cooperates with the inner side of the chain belt of the first closed-loop rotary track, and the first supporting and guiding mechanism is used for supporting and guiding the first closed-loop rotary track, so that the first closed-loop rotary track is in a ring type and rotates in a closed loop.

[0015] The second driving assembly comprises a second driving motor, a second transmission gear and a second supporting and guiding mechanism; the second driving motor and the second supporting and guiding mechanism are both mounted on the frame; the second driving motor drives the second transmission gear to rotate, so that the second transmission gear drives the second closed-loop rotary track to rotate; the second supporting and guiding mechanism movably cooperates with the inner side of the chain belt of the second closed-loop rotary track, and the second supporting and guiding mechanism is used for supporting and guiding the second closed-loop rotary track, so that the second closed-loop rotary track is in a ring type and rotates in a closed loop.

[0016] Further, the first supporting and guiding mechanism comprises a first supporting and guiding rail and a first driven gear; the fixed end of the first supporting and guiding rail is fixed on the frame, the guiding surface of the first supporting and guiding rail movably contacts with the inner side of the chain belt of the first closed-loop rotary track; the first driven gear meshes with the first closed-loop rotary track.

[0017] The second supporting and guiding mechanism comprises a second supporting and guiding rail and at least one second driven gear; each second driven gear meshes with the second closed-loop rotary track; the fixed end of the second supporting and guiding rail is fixed on the frame, and the guiding surface of the second supporting and guiding rail movably contacts with the inner side of the chain belt of the second closed-loop rotary track.

[0018] Further, the second convex / concave stamping structure is a concave structure; and the first concave / convex stamping structure is a convex structure.

[0019] The outer side surface of the second roller pressing module for bearing the strip-shaped metal piece is provided with a ring-shaped stamping groove, which surrounds the periphery of the second convex / concave stamping structure.

[0020] Further, the second convex / concave stamping structure is a concave structure; and the first concave / convex stamping structure is a convex structure.

[0021] The second roller pressing module is provided with a limiting part for limiting one side surface of the strip-shaped metal piece in the width direction.

[0022] The utility model discloses further put forward a kind of clothesline production system of chain type roll riveting equipment as any one described above, including controller and the chain type roll riveting equipment;Controller is used to control the action of the chain type roll riveting equipment;The strip-shaped metal part riveted by the chain type roll riveting equipment is clothesline;The hole is the hole for hanging clothes rack.

[0023] The utility model has the advantages that:

[0024] The utility model improves the automation roll riveting efficiency and quality of riveting hole sleeve on the hole of strip-shaped metal part, has the advantages of batch high quality and rapid riveting in production process, and the hole sleeve after riveting has the advantages of forming precision, reliable riveting and no cracking;Further solve the problem of easy cracking in stainless steel hole sleeve riveting production, improve production efficiency, save production cost, can be used on different shape clothesline hole sleeve and shell-shaped metal, can realize the precision riveting production of stainless steel hole sleeve and clothesline. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the working principle diagram of a chain type roll riveting equipment of the utility model;

[0026] Figure 2 It is the structure explosion schematic view of strip-shaped metal part or clothesline and multiple hole sleeves involved in the utility model;

[0027] Figure 3 It is the working principle diagram of another chain type roll riveting equipment of the utility model;

[0028] Figure 4 It is the three-dimensional structure schematic view of a second roll pressing module involved in the utility model;

[0029] Figure 5 It is the structure diagram of the front view of another chain type roll riveting equipment of the utility model;

[0030] Figure 6 It is the three-dimensional structure schematic view of a chain type roll riveting equipment in embodiment 2 of the utility model;

[0031] Figure 7 It is the three-dimensional structure schematic view of another optimized second roll pressing module involved in the utility model;

[0032] Figure 8 It is the three-dimensional structure schematic view of a first roll pressing module involved in the utility model;

[0033] Figure 9 It is the structure explosion schematic view of a first roll pressing module and a first link assembly involved in the utility model;

[0034] Figure 10The utility model relates to the second roll module and the second link component's structure explosion schematic view of relating to the utility model,

[0035] Figure 11 The utility model relates to the first support guide rail piece's three -dimensional structure schematic view of relating to the utility model,

[0036] Figure 12 The utility model relates to the second support guide rail piece's three -dimensional structure schematic view of relating to the utility model,

[0037] Figure 13 The utility model relates to the local three -dimensional structure schematic view of the multiple first roll module and multiple second roll module cooperation roll riveting when being in the roll riveting hole sleeve operation state,

[0038] Mark explanation:

[0039] Bar -shaped sheet metal part 10;Hole 101;Hole sleeve 102;Upper die rotating device 1;First closed loop rotary caterpillar 11;First link component 111;First chain link component 1111;First support block 1112;First hinged axle 1113;First stamping ring layer 12;First roll module 121;First concave / convex stamping structure 1211;Lower die rotating device 2;Transverse non roll riveting operation part 2001;Transverse roll riveting operation part 2002;Second closed loop rotary caterpillar 21;Second link component 211;Second chain link component 2111;Second support block 2112;Second hinged axle 2113;Second stamping ring layer 22;Second roll module 221;Second convex / convex stamping structure 2211;Limiting portion 2212;Annular stamping groove 2213;Frame 3;First drive assembly 13;First drive motor 131;First transmission gear 132;First support guide mechanism 133;First support guide rail piece 1331;First driven gear 1332;Second drive assembly 23;Second drive motor 231;Second transmission gear 232;Second support guide mechanism 233;Second support guide rail piece 2331;Second driven gear 2332;Machine base 31, first support 32;Second support 33;First support column 321;First air spring assembly 322;First adjusting screw 323;Second support column 331;Second air spring assembly 332;Second adjusting screw 333. DETAILED DESCRIPTION

[0040] In order to make the utility model's purpose, technical scheme and advantage more clear, the following will combine the utility model embodiment, and the technical scheme of the utility model is further clearly and completely described.It needs to be explained that the described embodiment is only a part of the embodiment of the utility model, but not all the embodiment.Based on the embodiment in the utility model, all other embodiments that the person skilled in the art obtains without making the creative labor belong to the scope of the utility model protection.

[0041] It should be understood that the terms "upper", "lower", "front", "back", "left", "right" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0042] The terms "first", "second", "third", "fourth" and the like are used only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the definition of "first", "second", "third", "fourth" features can explicitly or implicitly include one or more features.

[0043] Embodiment 1

[0044] As shown in Figures 1-5

[0045] The present embodiment proposes a chain type roll riveting equipment for riveting hole sleeves 102 on holes 101 of strip-shaped sheet metal parts 10, which comprises an upper die rotating device 1, a lower die rotating device 2 and a rack 3; the rack 3 is used to install the upper die rotating device 1 and the lower die rotating device 2;

[0046] The bottom of the upper die rotating device 1 is in butt joint with the top of the lower die rotating device 2 when riveting the hole sleeve 102.

[0047] The chain type roll riveting equipment of the present embodiment improves the automation roll riveting efficiency and quality of one-to-one corresponding riveting of hole sleeves 102 on holes 101 of strip-shaped sheet metal parts 10, has the advantages of batch high-quality and rapid riveting in the production process, and the riveted hole sleeve 102 has the advantages of forming precision, reliable riveting and no cracking; further solves the problem of easy cracking of stainless steel hole sleeves 102 in riveting production, improves production efficiency, saves production cost, can be used on different shape drying rod hole sleeves and shell-shaped sheet metal, and can realize precise riveting production of stainless steel hole sleeves 102 and drying rods.

[0048] Further optimization, the upper die rotating device 1 and the lower die rotating device 2 make continuous rotary motion when riveting the hole sleeve 102; the upper die rotating device 1 comprises a first track ring layer arranged in an inner ring and a first stamping ring layer 12 arranged in an outer ring and installed on the periphery of the first track ring layer; the first track ring layer is a first closed loop rotary track 11; the lower die rotating device 2 comprises a second track ring layer arranged in an inner ring and a second stamping ring layer 22 arranged in an outer ring and installed on the periphery of the second track ring layer; the second track ring layer is a second closed loop rotary track 21;

[0049] ​The first track ring layer and the second track ring layer are opposite in the track rotation direction; the bottom of the first stamping ring layer 12 is in abutment with the top of the second stamping ring layer 22 when the roll riveting hole sleeve 102 is positioned, and preferably, the bottom of the first stamping ring layer 12 is in abutment with the top of the second stamping ring layer 22 when the roll riveting multiple hole sleeves 102 are positioned.

[0050] The inner and outer ring layered design of the upper die rotating device 1 and the lower die rotating device 2 is conducive to the installation, replacement, adjustment and maintenance of the accessories of the first stamping ring layer 12, and is also conducive to the transmission of the stamping force when the first closed-loop rotary track 11 is rolled, and the structural stability and reliability when the first closed-loop rotary track 11 is continuously rotated, thereby ensuring the continuous operation efficiency and riveting accuracy of the strip-shaped sheet metal part 10 when one, two or multiple hole sleeves 102 are roll riveted, and avoiding cracking of the hole sleeve 102 after riveting.

[0051] Further preferably, the upper die rotating device 1 is located above the lower die rotating device 2, and the transverse length of the lower die rotating device 2 is greater than the transverse length of the upper die rotating device 1; specifically, the upper die rotating device 1 is located above one transverse portion of the lower die rotating device 2, and the other transverse portion of the lower die rotating device 2 extends transversely relative to one end of the upper die rotating device 1; the chain belt rotation direction of the upper die rotating device 1 is opposite to the chain belt rotation direction of the lower die rotating device 2; when the strip-shaped sheet metal part 10 is transmitted by the lower die rotating device 2 to below the upper die rotating device 1, the hole sleeve 102 placed in the strip-shaped sheet metal part 10 is extruded by the first stamping ring layer 12 and the second stamping ring layer 22 in an up-down matching manner (when the strip-shaped sheet metal part 10 is provided with multiple holes 101, preferably, the multiple hole sleeves 102 placed in the strip-shaped sheet metal part 10 are extruded by the first stamping ring layer 12 and the second stamping ring layer 22 in an up-down matching manner), so that the hole sleeve 102 is riveted on the corresponding hole 101; this is conducive to disassembling the one-time forming and riveting process of the prior art to form the multiple roll riveting process of one hole sleeve 102 according to the present application (as shown in Figure 13

[0052] Preferably, the rack 3 comprises a base 31, a first support 32 and a second support 33; the first support 32 comprises multiple first support columns 321, multiple first air spring assemblies 322 and multiple first adjusting screws 323; the second support 33 comprises multiple second support columns 331, multiple second air spring assemblies 332 and multiple second adjusting screws 333; the height of the upper and lower rollers can be freely adjusted according to actual needs through the adjusting screws, so as to more appropriately adjust the roll riveting force and the workpiece adaptability.

[0053] ​Specifically, when one of the track layers rotates clockwise, the other track layer rotates counterclockwise.

[0054] Preferably, the strip-shaped sheet metal part 10 is a sheet metal profile part.

[0055] Further preferably, the hole sleeve 102 is a metal hole sleeve, preferably a stainless steel hole sleeve.

[0056] Further preferably, the upper die rotating device 1 is a track-type upper die rotating device.

[0057] Further preferably, the lower die rotating device 2 is a track-type lower die rotating device.

[0058] Embodiment 2

[0059] Embodiment 2 is an optimized design of any of the technical solutions in Embodiment 1.

[0060] As shown in Figure 2 , Figures 5-8 , the first driving assembly 13 is used to drive the first closed-loop rotating track 11 to rotate.

[0061] The first driving assembly 13 is used to drive the first closed-loop rotating track 11 to rotate. Figure 2

[0062] The second driving assembly 23 is used to drive the second closed-loop rotating track 21 to rotate.

[0063] ​When the strip-shaped sheet metal part 10 is driven by the lower die rotating device 2 to the lower side of the upper die rotating device 1, the first concave / convex stamping structure 1211 in the roll riveting hole sleeve 102 working state is in one-to-one correspondence with the second convex / concave stamping structure 2211 in the roll riveting hole sleeve 102 working state for concave / convex butt joint.

[0064] Specifically, each second roller pressing module 221 is modularly and detachably bolted to the second closed-loop rotary track 21; and each first roller pressing module 121 is modularly and detachably bolted to the first closed-loop rotary track 11.

[0065] When the first concave / convex stamping structure 1211 and the second convex / concave stamping structure 2211 are damaged or need to adapt to other workpieces, only the first roller pressing module 121 and the second roller pressing module 221 need to be quickly replaced, and the modular assembly structure of the first roller pressing module 121 and the second roller pressing module 221 is conducive to the concave / convex alignment adjustment of the first concave / convex stamping structure 1211 and the second convex / concave stamping structure 2211, thereby ensuring the accuracy of the roll riveting hole sleeve 102 during the operation of the whole machine, reducing or avoiding the risk of cracks in the hole sleeve 102 after roll riveting, and especially meeting the high standard requirements of the roll riveting of the hole sleeve 102 made of stainless steel (because the hole sleeve 102 made of stainless steel is prone to cracks when riveted to the hole 101 of the strip-shaped sheet metal part 10 by the prior art).

[0066] Further optimization, the first driving assembly 13 comprises a first driving motor 131, a first transmission gear 132 and a first supporting and guiding mechanism 133; the first driving motor 131 and the first supporting and guiding mechanism 133 are both mounted on the rack 3; the first driving motor 131 drives the first transmission gear 132 to rotate, so that the first transmission gear 132 drives the first closed-loop rotary track 11 to rotate; the first supporting and guiding mechanism 133 is in movable cooperation with the inner side of the chain belt of the first closed-loop rotary track 11, and the first supporting and guiding mechanism 133 is used for supporting and guiding the first closed-loop rotary track 11, so that the first closed-loop rotary track 11 is in a ring type and performs closed-loop rotation.

[0067] The second driving assembly 23 comprises a second driving motor 231, a second transmission gear 232 and a second supporting and guiding mechanism 233; the second driving motor 231 and the second supporting and guiding mechanism 233 are both mounted on the rack 3; the second driving motor 231 drives the second transmission gear 232 to rotate, so that the second transmission gear 232 drives the second closed-loop rotary track 21 to rotate; the second supporting and guiding mechanism 233 is in movable cooperation with the inner side of the chain belt of the second closed-loop rotary track 21, and the second supporting and guiding mechanism 233 is used for supporting and guiding the second closed-loop rotary track 21, so that the second closed-loop rotary track 21 is in a ring type and performs closed-loop rotation.

[0068] The driving transmission structure of the driving motor, the transmission gear and the supporting and guiding mechanism is beneficial to meet the power transmission required by the precise roll riveting and improve the stability of the track mechanism in the transmission process required by the precise roll riveting, so as to ensure the accuracy and reliability in the high-speed roll riveting operation.

[0069] Further optimization, the first supporting and guiding mechanism 133 comprises a first supporting and guiding rail 1331 and a first driven gear 1332; the fixed end of the first supporting and guiding rail 1331 is fixed on the rack 3, and the guiding surface of the first supporting and guiding rail 1331 is in guiding contact with the inner side of the chain belt of the first closed-loop rotary track 11; the first transmission gear 132 is engaged on the inner side of the chain belt of a transverse portion of the first closed-loop rotary track 11; the first driven gear 1332 is engaged on the inner side of the chain belt of another transverse portion of the first closed-loop rotary track 11; the cooperation of the first supporting and guiding rail 1331, the first driven gear 1332 and the first closed-loop rotary track 11 further improves the accuracy, reliability and efficiency of roll riveting, and also facilitates the installation, maintenance and adjustment of the first closed-loop rotary track 11.

[0070] The second supporting and guiding mechanism 233 comprises a second supporting and guiding rail 2331 and at least one second driven gear 2332; the second driven gears 2332 are all engaged on the inner side of the chain belt of the second closed-loop rotary track 21; the fixed end of the second supporting and guiding rail 2331 is fixed on the rack 3, and the guiding surface of the second supporting and guiding rail 2331 is in guiding contact with the inner side of the chain belt of the second closed-loop rotary track 21; the second transmission gear 232 is engaged on the inner side of the chain belt of a transverse portion of the second closed-loop rotary track 21; one of the second driven gears 2332 is engaged on the inner side of the chain belt of another transverse portion of the second closed-loop rotary track 21; the cooperation of the second supporting and guiding rail 2331, the second driven gear 2332 and the second closed-loop rotary track 21 further improves the accuracy, reliability and efficiency of roll riveting, and also facilitates the installation, maintenance and adjustment of the second closed-loop rotary track 21.

[0071] Specifically, one end of the central shaft of the first driven gear 1332 is fixed on the rack 3 or the first supporting and guiding rail 1331; one end of the central shaft of the second driven gear 2332 is fixed on the rack 3 or the second supporting and guiding rail 2331; the transverse portion of the first closed-loop rotary track 11 is preferably one side of the first closed-loop rotary track 11; the other transverse portion of the first closed-loop rotary track 11 is preferably the other side of the first closed-loop rotary track 11; the transverse portion of the second closed-loop rotary track 21 is preferably one side of the second closed-loop rotary track 21; the other transverse portion of the second closed-loop rotary track 21 is preferably the other side of the second closed-loop rotary track 21; that is, both sides of the first closed-loop rotary track 11 are provided with corresponding gears, so that the first closed-loop rotary track 11 operates more stably.

[0072] Optimally, the number of the second driven gears 2332 is three, which are sequentially and evenly engaged on the inner side of the chain of the second closed loop rotary track 21; the plurality of second driven gears 2332 makes the second closed loop rotary track 21 more stable when it is running, and can improve the service life of the machine and the load capacity of the roll riveting.

[0073] Further optimally, as shown in Figure 11 , Figure 12 , the first supporting guide rail 1331 and the second supporting guide rail 2331 are both in plate structure, so that the stability and the longitudinal load capacity of the machine are improved while ensuring the light weight of the machine.

[0074] Preferably, the first driving motor 131 and the second driving motor 231 are both step motors, so that the upper die rotating device 1 and the lower die rotating device 2 can be more coordinated and accurate when they are continuously rotating.

[0075] Preferably, the hole sleeve 102 is made of stainless steel.

[0076] Embodiment 3

[0077] Embodiment 3 is an optimized design of any of the technical solutions in Embodiment 1 or Embodiment 2.

[0078] As shown in Figure 6 , Figure 9 , Figure 10 ,

[0079] The embodiment provides a chain type roll riveting equipment, wherein the first closed loop rotary track 11 comprises a plurality of first link assemblies 111 which are sequentially and mutually hinged; the first link assembly 111 at the head end of the first closed loop rotary track 11 is hinged with the first link assembly 111 at the tail end of the first closed loop rotary track 11.

[0080] The second closed loop rotary track 21 comprises a plurality of second link assemblies 211 which are sequentially and mutually hinged; the second link assembly 211 at the head end of the second closed loop rotary track 21 is hinged with the second link assembly 211 at the tail end of the second closed loop rotary track 21.

[0081] The first link assembly 111 and the second link assembly 211 can tightly engage the driving gear and the driven gear, and are not easy to deviate and disengage, so as to ensure the accuracy of transmission and the load bearing required by roll riveting.

[0082] Further optimization, the first link assembly 111 comprises a first link assembly 1111 and a first support block 1112; two adjacent first link assemblies 1111 are hingedly connected through a first hinge shaft 1113; the first support block 1112 is installed on an outward side of the first link assembly 1111, and the first link assembly 1111 is used for meshing with the first gear transmission mechanism; and the first roller pressing module 121 is installed on the first support block 1112 in one-to-one correspondence.

[0083] The second link assembly 211 comprises a second link assembly 2111 and a second support block 2112; two adjacent second link assemblies 2111 are hingedly connected through a second hinge shaft 2113; the second support block 2112 is installed on an outward side of the second link assembly 2111, and the second link assembly 2111 is used for meshing with the second gear transmission mechanism; and the second roller pressing module 221 is installed on the second support block 2112 in one-to-one correspondence.

[0084] Specifically, the first link assembly 1111 comprises two first chain plates arranged in opposite intervals, and the two first chain plates and the two first hinge shafts 1113 form a first link; and the second link assembly 2111 comprises two second chain plates arranged in opposite intervals, and the two second chain plates and the two second hinge shafts 2113 form a second link.

[0085] Embodiment 4

[0086] Embodiment 4 is an optimized design of any of the technical solutions in the above embodiments;

[0087] As shown in Figure 6 , Figure 7 , Figure 8 ,

[0088] In the chain type roller riveting equipment, the second convex / concave stamping structure 2211 is a concave structure, and the first concave / convex stamping structure 1211 is a convex structure.

[0089] Optimally, an outer side of the second roller pressing module 221 for bearing the strip-shaped sheet metal piece 10 is provided with an annular stamping groove 2213, which surrounds the periphery of the second convex / concave stamping structure 2211.

[0090] The annular stamping groove 2213 is beneficial to the rapid and accurate forming of the riveting hole sleeve 102 and provides an anti-interference gap for the sleeve 102 during forming.

[0091] Optimally, the second roller pressing module 221 is provided with a limiting portion 2212 for blocking one side of the strip-shaped sheet metal piece 10 in the width direction; thus, the strip-shaped sheet metal piece 10 can be quickly and accurately aligned, and is not easy to shift during roller riveting, thereby ensuring the roller riveting quality.

[0092] Specifically, an outer side of the second roll-pressing module 221 is opposite to an inner side of the second roll-pressing module 221, the inner side of the second roll-pressing module 221 is in contact with the second supporting block 2112, and the outer side of the second roll-pressing module 221 is used to bear the strip-shaped sheet metal part 10.

[0093] Embodiment 5

[0094] Embodiment 5 is a further optimized design of any of the above embodiments.

[0095] As shown in Figures 1-5 :

[0096] The embodiment provides a chain roll riveting device for one-to-one riveting of a plurality of hole sleeves 102 in a plurality of holes 101 of a strip-shaped sheet metal part 10, which comprises an upper die rotating device 1, a lower die rotating device 2 and a rack 3; the upper die rotating device 1 and the lower die rotating device 2 are respectively in continuous rotary motion when cooperating with each other to rivet the hole sleeves 102; and the rack 3 is used to install the upper die rotating device 1 and the lower die rotating device 2.

[0097] The upper die rotating device 1 and the lower die rotating device 2 are arranged in parallel with each other, and the bottom of the upper die rotating device 1 and the top of the lower die rotating device 2 are in abutting cooperation when riveting the plurality of hole sleeves 102.

[0098] The chain roll riveting device of the embodiment improves the automation riveting efficiency and quality of one-to-one riveting of the plurality of hole sleeves 102 in the plurality of holes 101 of the strip-shaped sheet metal part 10, has the advantages of batch high-quality and rapid riveting in the production process, and the riveted hole sleeves 102 have the advantages of forming precision, reliable riveting and no cracking; further solves the problem of easy cracking of the stainless steel hole sleeve 102 in the riveting production, improves the production efficiency, saves the production cost, can be applied to different shapes of rod hole sleeves and shell-shaped sheet metals, and can realize precise riveting production of the stainless steel hole sleeve 102 and the rod.

[0099] In a further optimized embodiment, the overall shape of the lower die rotating device 2 is a tank-type sprocket track.

[0100] In a further optimized embodiment, the upper die rotating device 1 is a track-type die device that rotates.

[0101] In a further optimized embodiment, the overall shape of the upper die rotating device 1 is a tank-type sprocket track.

[0102] In a further optimized embodiment, the upper die rotating device 1 and the lower die rotating device 2 are arranged in parallel with each other.

[0103] Embodiment 6

[0104] As Figure 2 , Figure 6 shown:

[0105] The embodiment proposes an airer production system applying the chain type roll riveting equipment according to any one of the above embodiments, which comprises a controller and the chain type roll riveting equipment; the controller is used for controlling the action of the chain type roll riveting equipment; the strip-shaped metal part 10 riveted by the chain type roll riveting equipment is an airer; and the hole 101 is a hooking hole for hooking a clothes hanger.

[0106] Specifically, the hole sleeve 102 is a stainless steel hole sleeve.

[0107] Optimally, the hole sleeve 102 is an annular hole sleeve.

[0108] Optimally, the airer production system further comprises a punching machine electrically connected with the controller; the strip-shaped metal part to be punched is punched by the punching machine to form an airer with multiple holes 101, and the airer is transmitted to the chain type roll riveting equipment by a manual operation, a mechanical hand or a conveying device, so as to complete the automatic operation of the punching and roll riveting processes.

[0109] The airer production system improves the efficiency of the automatic production of the airer, and also improves the product quality of the airer, so as to ensure that the hole sleeve 102 is in a correct shape, is not cracked, and is not loose.

[0110] The working process of the chain type roll riveting equipment is as follows:

[0111] In the production process, a specified number of hole sleeves 102 are placed on the lower die rotating device 2 according to actual needs, and the strip-shaped metal part 10 is placed on the lower die rotating device 2 through the operation of aligning the hole sleeve 102 with the hole 101, the upper die rotating device 1 and the lower die rotating device 2 are started to make continuous rotary motion and roll riveting action, the strip-shaped metal part 10 located between the upper die rotating device 1 and the lower die rotating device 2 completes roll riveting of the specified number of hole sleeves 102, and then the strip-shaped metal part 10 riveted with the specified number of hole sleeves 102 is output by the lower die rotating device 2 through the action of continuous rotary motion.

[0112] The chain type roll riveting equipment of the embodiment 1 can be adjusted and designed for other applicability, and the working process of the chain type roll riveting equipment after the adjustment and design is as follows: when a single punching hole sleeve 102 is performed, the upper die rotating device 1 is adjusted and designed to make a near-circular motion, and the lower die rotating device 2 is adjusted and designed to make a waist-circular motion.

[0113] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but can not therefore be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled person in the art, without departing from the utility model concept, several deformations and improvements can be made, which belong to the protection range of the utility model. Therefore, the protection range of the utility model patent should be subject to the appended claims.

Claims

1. A chain roll riveting apparatus for riveting a hole sleeve on a hole of a strip-shaped sheet metal member, characterized by, The chain type roll riveting equipment comprises an upper die rotating device, a lower die rotating device and a frame; the frame is used for mounting the upper die rotating device and the lower die rotating device; The bottom of the upper die rotating device and the top of the lower die rotating device are in butt joint when riveting the hole sleeve.

2. The chain riveting apparatus of claim 1, wherein, The upper die rotating device and the lower die rotating device make continuous rotary motion when riveting the hole sleeve; the upper die rotating device comprises a first track ring layer arranged in an inner ring and a first stamping ring layer arranged in an outer ring and mounted on the periphery of the first track ring layer; the first track ring layer is a first closed loop rotary track; the lower die rotating device comprises a second track ring layer arranged in an inner ring and a second stamping ring layer arranged in an outer ring and mounted on the periphery of the second track ring layer; the second track ring layer is a second closed loop rotary track; The rotary motion directions of the track rings of the first track ring layer and the second track ring layer are opposite; the bottom of the first stamping ring layer and the top of the second stamping ring layer are in butt joint when riveting the hole sleeve.

3. The chain riveting apparatus of claim 2, wherein, The upper die rotating device is located above the lower die rotating device, and the transverse length of the lower die rotating device is greater than that of the upper die rotating device; when the strip-shaped sheet metal part is transmitted to below the upper die rotating device by the lower die rotating device, the hole sleeve placed in the strip-shaped sheet metal part is extruded by the first stamping ring layer and the second stamping ring layer in an up-down matching manner, so that each hole sleeve is riveted on a corresponding hole.

4. The chain riveting apparatus of claim 3, wherein, The upper die rotating device further comprises a first driving assembly; the first stamping ring layer comprises a plurality of first roller pressing modules; the first driving assembly is used for driving the first closed loop rotary track to rotate; each first roller pressing module is arranged in an array on the first closed loop rotary track, and a working surface of the first roller pressing module away from the first closed loop rotary track is provided with a first concave / convex stamping structure; the first closed loop rotary track serves as a closed loop rotary chain belt and is used for driving each first roller pressing module to make a cyclic winding motion, so that the first concave / convex stamping structure extrudes a corresponding hole sleeve from top to bottom; The lower die rotating device further comprises a second driving assembly; the second stamping ring layer comprises a plurality of second roller pressing modules; the second driving assembly is used for driving the second closed loop rotary track to rotate; each second roller pressing module is arranged in an array on the second closed loop rotary track, and a working surface of the second roller pressing module away from the second closed loop rotary track is provided with a second convex / concave stamping structure; the second closed loop rotary track serves as a closed loop rotary chain belt and is used for driving each second roller pressing module to make a cyclic winding motion, so that the second convex / concave stamping structure extrudes a corresponding hole sleeve from bottom to top; When the strip-shaped sheet metal part is transmitted to below the upper die rotating device by the lower die rotating device, the first concave / convex stamping structure in the roll riveting hole sleeve working state is in one-to-one butt joint with the second convex / concave stamping structure in the roll riveting hole sleeve working state.

5. The chain riveting apparatus of claim 4, wherein, The first driving assembly comprises a first driving motor, a first transmission gear and a first supporting and guiding mechanism; the first driving motor and the first supporting and guiding mechanism are both mounted on the frame; the first driving motor drives the first transmission gear to rotate, so that the first transmission gear drives the first closed-loop rotating caterpillar belt to rotate; the first supporting and guiding mechanism is in movable cooperation with the inner side of the chain belt of the first closed-loop rotating caterpillar belt, and is used for supporting and guiding the first closed-loop rotating caterpillar belt, so that the first closed-loop rotating caterpillar belt is in a ring type and rotates in a closed loop; The second driving assembly comprises a second driving motor, a second transmission gear and a second supporting and guiding mechanism; The second driving motor and the second supporting and guiding mechanism are both mounted on the frame; The second driving motor drives the second transmission gear to rotate, so that the second transmission gear drives the second closed-loop rotating caterpillar belt to rotate; the second supporting and guiding mechanism is in movable cooperation with the inner side of the chain belt of the second closed-loop rotating caterpillar belt, and is used for supporting and guiding the second closed-loop rotating caterpillar belt, so that the second closed-loop rotating caterpillar belt is in a ring type and rotates in a closed loop.

6. The chain riveting apparatus of claim 5, wherein, The first supporting and guiding mechanism comprises a first supporting rail and a first driven gear; the fixed end of the first supporting rail is fixed on the frame, and the guiding surface of the first supporting rail is in guiding contact with the inner side of the chain belt of the first closed-loop rotating caterpillar belt; the first driven gear is engaged with the first closed-loop rotating caterpillar belt; The second supporting and guiding mechanism comprises a second supporting rail and at least one second driven gear; each second driven gear is engaged with the second closed-loop rotating caterpillar belt; the fixed end of the second supporting rail is fixed on the frame, and the guiding surface of the second supporting rail is in guiding contact with the inner side of the chain belt of the second closed-loop rotating caterpillar belt.

7. A chain riveting apparatus according to any one of claims 4 to 6, wherein The second convex / concave stamping structure is a concave structure; and the first concave / convex stamping structure is a convex structure. The outer side surface of the second roller pressing module for bearing the strip-shaped metal piece is provided with a ring-shaped stamping groove, which surrounds the periphery of the second convex / concave stamping structure.

8. A chain riveting apparatus according to any one of claims 4-6, wherein, The second convex / concave stamping structure is a concave structure; and the first concave / convex stamping structure is a convex structure. The second roller pressing module is provided with a limiting part for blocking one side surface of the strip-shaped metal piece in the width direction.

9. A clothesline production system applying the chain roll riveting apparatus according to any one of claims 1 to 8, characterized by, The chain type roller riveting equipment comprises a controller and the chain type roller riveting equipment; the controller is used for controlling the action of the chain type roller riveting equipment; the strip-shaped metal piece riveted by the chain type roller riveting equipment is a clothes drying rod; and the hole is a hooking hole for hooking a clothes hanger.

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