Assembly production line

Abstract

The invention discloses an assembly line which comprises a rotary conveying line divided into a front section and a rear section, and a positioning tool is arranged on the rotary conveying line. A lining pre-pressing device, a tapping device, a first spin riveting device, a second spin riveting device, a carrying device, a lining flattening device, a rivet feeding device, a riveting device and a discharging device are sequentially arranged on one side of the front rotary conveying line and one side of the rear rotary conveying line, and an annular conveying line is further arranged at one end of each rotary conveying line. The annular conveying line is used for assembling a part A and carrying the part A to the rotary conveying line, and a rivet feeding device and a riveting device which are used for assembling the part A are arranged on one side of the rotary conveying line. According to the assembling production line, automation of the whole assembling and machining process of the automobile seat side plates is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of automation equipment, in particular to an assembly production line. Background Art

[0002] In the production and processing of automobile parts, the assembly of parts such as automobile seat side panels requires multiple assembly processes, including riveting of small accessories, transferring small accessories to the positioning tooling for placing the seat side panels, pressing bushings, tapping, riveting and riveting. For the transfer of parts between different processes, the existing assembly equipment often has a low degree of automation and cannot complete the above-mentioned multiple processes at one time, resulting in low production efficiency. Summary of the invention

[0003] In order to solve the deficiencies of the prior art, the present application provides an assembly production line, including a rotary conveyor line divided into two sections, a front section and a rear section, wherein a positioning tool is arranged on the rotary conveyor line, and is arranged in sequence along one side of the front section rotary conveyor line: The pre-pressing bushing device comprises a press-fitting cylinder, wherein a pressure head is arranged at the output end of the press-fitting cylinder; A tapping device comprises a tapping machine, an oiling mechanism and a supporting mechanism, wherein the oiling mechanism is used to oil a tapping cone of the tapping machine, and the supporting mechanism is arranged below the tapping cone; Riveting device, including riveting machine; Set up along one side of the rear rotary conveyor line in sequence: The bushing flattening device comprises a gas-liquid booster cylinder, a press-fitting head is arranged at the output end of the gas-liquid booster cylinder, and a support assembly is arranged below the press-fitting head; A rivet feeding device comprises a vibrating plate, a positioning assembly, a first lifting assembly and a second lifting assembly are arranged at the discharge end of the vibrating plate, the positioning assembly is used to move the rivet to a first preset position, the second lifting assembly is used to drive the first lifting assembly and the positioning assembly to move up and down, and the first lifting assembly is used to transport the rivet at the first preset position to the positioning tooling; A riveting device, comprising a riveting cylinder and a pressing head arranged at an output end of the riveting cylinder; A transport device is arranged between the front and rear rotary conveyor lines, and the transport device is used to drive the riveted parts to flip over and transport them to the rear rotary conveyor line.

[0004] Furthermore, the oiling mechanism includes a transverse cylinder, a movable plate is arranged at the output end of the transverse cylinder, a plurality of brushes are arranged on the movable plate, a plurality of oil spray nozzles are arranged above the brushes, an oil receiving pan is arranged below the brushes, and the oil receiving pan is connected to the movable plate.

[0005] Furthermore, the supporting mechanism includes a lifting cylinder and a transverse cylinder, a plurality of supporting rods are arranged at the output end of the lifting cylinder, and a vertical plate is arranged at the output end of the transverse cylinder, and the vertical plate can be moved to below the lifting plate.

[0006] Furthermore, the positioning tooling includes a positioning plate, a plurality of positioning units are arranged on the positioning plate, each of the positioning units includes a support block, a positioning pin and a support column, a material channel penetrating the positioning plate is opened downwardly along the top of the support block, two limit plates are arranged opposite to each other on both sides of the material channel, the limit plate and the support block are rotatably connected and a spring is arranged between the two, and in the initial state, at least a portion of the top of the limit plate is in the material channel.

[0007] Furthermore, the positioning assembly includes a base plate, a positioning cylinder is arranged on the base plate, a positioning plate is arranged on the output end of the positioning cylinder, a positioning groove is opened on the positioning plate, and the positioning groove can be moved to the discharge end of the vibration plate and move the rivet to a first preset position.

[0008] Furthermore, the first lifting assembly includes a first lifting cylinder arranged below the first preset position, and a push rod is arranged at the output end of the first lifting cylinder. The push rod can pass through the bottom plate, the positioning plate and the positioning groove and extend into the material channel, and a positioning sleeve is arranged on the positioning plate above the positioning groove.

[0009] Furthermore, the transport device includes an installation bracket, on which a moving mechanism and a base plate are arranged, and transverse cylinders are respectively arranged at both ends of the base plate, wherein a rotating cylinder is arranged at the output end of the transverse cylinder at one end, and a rotating motor is arranged at the output end of the transverse cylinder at the other end, and claw cylinders are arranged at the output ends of the rotating cylinder and the rotating motor, and claws are arranged at the output ends of the claw cylinder, and a lifting cylinder is arranged above the base plate, and the output end of the lifting cylinder is connected to the base plate, and the moving mechanism is used to drive the lifting cylinder and the base plate to move horizontally.

[0010] Furthermore, a stripping cylinder is also arranged on the bottom plate, a stripping plate is arranged on the output end of the stripping cylinder, and a plurality of stripping pressing blocks are arranged on the stripping plate.

[0011] Furthermore, a ring conveyor line for assembling part A is also provided at the end of the rotary conveyor line, and the following is provided along one side of the ring conveyor line: A rivet feeding device for part A comprises a rivet vibrating plate for part A, and a secondary positioning component and a grabbing component are arranged at the discharge end of the rivet vibrating plate for part A; The riveting device of part A comprises a riveting cylinder of part A, a riveting head is arranged downward at the output end of the riveting cylinder of part A, a lifting cylinder is arranged horizontally below the riveting head, a wedge is arranged at the output end of the lifting cylinder, a lifting plate is arranged above the wedge, and the lifting plate abuts against the wedge through a roller; The part A transport device is used to transport the riveted part A to the positioning tooling of the rotary conveyor line.

[0012] Furthermore, the annular conveyor line includes a conveying motor, the output end of the conveying motor is connected to an annular conveying belt through a synchronous wheel, an annular mounting bracket is arranged on the outer side of the conveying belt, and a plurality of part A positioning fixtures are movably arranged on the mounting bracket, wherein a fixed cylinder is arranged on one side of at least a part of the part A positioning fixtures, a fixed plate is arranged at the output end of the fixed cylinder, a fixed groove is provided on the fixed plate, and a limit block corresponding to the fixed groove is arranged on the positioning plate.

[0013] The benefit of the present application lies in that the provided assembly production line realizes the automation of the entire assembly process of the automobile seat side panels. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of an embodiment of the assembly production line of the present application; Figure 2 for Figure 1 Schematic diagram of the structure of the medium ring conveyor line; Figure 3 for Figure 2 Schematic diagram of the first positioning tooling structure; Figure 4 for Figure 3 Another perspective structural diagram; Figure 5 for Figure 2 Schematic diagram of the secondary positioning component and the grasping component structure; Figure 6 for Figure 2 A schematic diagram of the structure of the first riveting device; Figure 7 for Figure 6 Another perspective structural diagram; Figure 8 for Figure 1 A schematic diagram of the structure of the first transport device; Fig. 9 for Figure 8 Schematic diagram of local structure; Fig.10 for Fig. 9 Another perspective structural diagram; Fig.11 It is a schematic diagram of the lifting structure of the rotary conveyor line; Fig.12 It is a schematic diagram of the second positioning tooling structure in the figure; Fig.13 for Fig.12 Schematic diagram of the structure of the second support block; Fig.14 for Fig.13 Middle AA section view; Fig.15 for Figure 1 Schematic diagram of the structure of the intermediate preload bushing device; Fig.16 for Figure 1 Schematic diagram of the structure of the tapping device; Fig.17 for Fig.16 Schematic diagram of the structure of the middle oiling mechanism; Fig.18 for Fig.16 Schematic diagram of the structure of the middle support mechanism; Fig.19 for Figure 1 A schematic diagram of the structure of the second transport device; Fig. 20 for Fig.19 Schematic diagram of local structure; Fig.21 for Fig.19 Schematic diagram of the structure of the middle stripping mechanism; Fig. 22 It is a schematic diagram of the flattened bushing structure; Fig.23 for Fig. 22 Schematic diagram of the structure of the middle support assembly; Fig.24 for Fig. 22 Schematic diagram of local structure; Fig.25 for Figure 1 A schematic diagram of the structure of the second rivet feeding device; Fig.26 for Fig.25 A schematic diagram of the structures of the middle positioning assembly, the first lifting assembly and the second lifting assembly; Fig. 27 for Fig.26 Schematic diagram of the positioning component structure; Fig.28 for Fig. 27 Schematic diagram of the local structure; Fig.29 for Figure 1 Schematic diagram of the structure of the middle feeding device. DETAILED DESCRIPTION

[0015] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0016] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0017] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0018] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0019] In addition, the terms "installed", "set", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0020] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0021] See also Figure 1 The present embodiment provides an assembly production line, specifically an assembly production line for automobile seat side panels, including an annular conveyor line 100 for assembling part A and a rotary conveyor line 200 for assembling part A on the automobile seat side panels. A rivet feeding device for part A and a riveting device for part A are arranged on one side of the annular conveyor line, which are hereinafter referred to as the first rivet feeding device 110 and the first riveting device 120, respectively. The rotary conveyor line 200 is divided into two front and rear sections with the same structure. A pre-pressing bushing device 210, a tapping device 220, a first riveting device 230 and a A second rotary riveting device 240, and a flattening bushing device 250, a second rivet loading device 260, a second riveting pressing device 270 and a unloading device 280 are sequentially arranged on one side of the rear section, wherein a part A transporting device is arranged between the front section of the annular conveyor line 100 and the rotary conveyor line 200, hereinafter referred to as the first transporting device 130, and a second transporting device 290 is arranged between the front section and the rear section of the rotary conveyor line, the first transporting device 130 is used to transport the riveted part A to the rotary conveyor line, and the second transporting device 290 is used to transport the parts in the front section of the rotary conveyor line to the rear section.

[0022] See also Figure 2 The annular conveyor line 100 includes a conveying motor 101. The output end of the conveying motor 101 is connected to a ring-shaped conveying belt 102 through a synchronous wheel. An annular mounting bracket 103 is arranged on the outer side of the conveying belt 102. A plurality of part A fixing fixtures, hereinafter referred to as the first positioning fixture 140, can be movably arranged on the mounting bracket 103 for placing part A.

[0023] See also Figure 3 and Figure 4 The first positioning tool 140 includes a positioning plate 141. Two groups of different support blocks 142 are arranged on the positioning plate 141 according to the shape of part A. The two groups of support blocks 142 are respectively provided with positioning pins 143 with different numbers and positions. A positioning block 144 is also arranged on the positioning plate 141. A placement groove 145 is provided on the positioning block 144 for placing rivets.

[0024] A connecting piece 104 is provided on the conveying belt 102, and a positioning plate 141 is rotatably connected to the connecting piece 104 via a pin shaft 146 so that the positioning plate can move in a circular manner following the belt. Four groups of rollers 147 are provided at the bottom of the positioning plate 141, and the four groups of rollers are arranged opposite to each other in pairs. An annular track 105 is provided on the mounting bracket 103, and the four groups of rollers can rotate along the annular track 105.

[0025] In this embodiment, the circular conveyor line needs to be loaded with rivets, loaded with part A, riveted and unloaded, so the circular conveyor line needs to stop four times. During the stopping process, in order to ensure that the positioning plate 141 does not shift, a fixed cylinder 106 is set on the mounting bracket at four positions, and a fixed plate 107 is set at the output end of the fixed cylinder 106. A fixed groove 108 is opened on the fixed plate 107, and a limit block 109 corresponding to the fixed groove is set on the positioning plate 141.

[0026] The first rivet feeding device 110 includes a vibrating plate 111 , a secondary positioning assembly 112 is provided at the discharge end of the vibrating plate 111 for positioning the rivets in the vibrating plate, and a grabbing assembly 113 is provided on one side of the secondary positioning assembly for grabbing the rivets onto the first positioning fixture 140 .

[0027] See also Figure 5 The secondary positioning component 112 includes a positioning cylinder 1121 arranged at the discharge end of the vibration plate, a moving plate 1122 is arranged at the output end of the positioning cylinder 1121, a positioning groove 1123 is provided on the moving plate 1122 and can be moved to the discharge end of the vibration plate, a detection sensor 1124 is provided on the moving plate for detecting whether there is a rivet in the positioning groove, the positioning groove 1123 is provided inwardly along the side wall of the moving plate so that the rivet can be moved into the groove, and at the same time, a baffle 1125 is provided on one side of the positioning groove at the grabbing position.

[0028] See also Figure 5 The grabbing assembly 113 includes a transverse cylinder 1131, a lifting cylinder 1132 is arranged at the output end of the transverse cylinder 1131, a clamping cylinder 1133 is arranged at the output end of the lifting cylinder 1132, and a clamping claw 1134 is arranged at the output end of the clamping claw cylinder 1133, and the clamping claw is used to grab the rivet in the positioning groove to the positioning block.

[0029] See also Figure 6 and Figure 7 After the rivets and parts are loaded, they need to be riveted together. Therefore, a first riveting device 120 is also provided on one side of the mounting bracket. The first riveting device 120 includes a riveting bracket 121. A riveting cylinder 122 is provided on the top of the riveting bracket 121. A riveting head 123 is provided downward at the output end of the riveting cylinder 122. A lifting cylinder 124 is horizontally provided at the bottom end of the riveting bracket. A wedge block 125 is provided at the output end of the lifting cylinder 124. A lifting plate 126 is provided above the wedge block 125. The lifting plate 126 is in contact with the wedge block 125 through a second roller 127. A guide rod 128 is also provided on the lifting plate 126 to guide the up and down movement of the lifting plate.

[0030] See also Figure 8-Figure 10The first transport device 130 includes a transport bracket 131 that can cross the rotary conveyor line and the ring conveyor line. The transport bracket 131 is provided with a transport cylinder 132. The output end of the transport cylinder 132 is provided with a second movable plate 133. The second movable plate 133 is provided with a second lifting cylinder 134. The output end of the second lifting cylinder 134 is provided with a lifting plate 135. The lifting plate 135 is provided with a second transverse cylinder 136. The output end of the second transverse cylinder 136 is provided with a plurality of grabbing cylinders 137 arranged through a mounting plate. Among them, a second clamping claw 138 is arranged at the output end of a part of the grabbing cylinders, and a magnet 139 is arranged on the grabbing cylinder by magnet adsorption. A magnetic core is arranged on the push rod of the cylinder, and the magnetic core is driven by the cylinder to move into the magnet so that the magnet has adsorption force, and then the parts are grabbed. The magnet adsorption and the clamping claw cooperate with each other to achieve stable grabbing of the parts.

[0031] The moving directions of the second moving plate 133 and the transverse moving plate 137 are perpendicular to each other, so that the parts can be moved in multiple directions.

[0032] See also Figure 1 and Fig.11 The rotary conveyor line 200 is a conveying structure with two layers of upper and lower layers driven by a driving motor. A second positioning tool 201 is set on the conveyor belt for placing car seat side panel parts. The two ends of the rotary conveyor line are lifting structures 202 for realizing the conversion of the second positioning tool 201 between the upper and lower layers.

[0033] The lifting structure 202 specifically includes a vertically arranged linear slide module 2021, on which a lifting bracket 2022 is arranged. The lifting bracket 2022 is used to dock with the two ends of the rotary conveyor line. An independent driving motor and belt are arranged on the lifting bracket 2022 to drive a single second positioning tool to move to the conveyor line. The front and rear sections of the rotary conveyor line have the same structure.

[0034] See also Figure 12-14 The second positioning tool 201 includes a second positioning plate 2011, and a plurality of positioning units are arranged on the second positioning plate 2011 for simultaneously positioning a plurality of parts. In the present embodiment, four groups of positioning units are arranged, so that four groups of parts can be placed simultaneously. Each positioning unit includes a second support block 2012, two groups of second positioning pins 2013, a first support column 2014 and a second support column 2015 which are arranged in sequence from one end to the other end of the second positioning plate, wherein the positions, shapes and quantities of the second support blocks, the second positioning pins, the first support columns and the second support columns are all determined according to the shape and size of the parts, and therefore, they are all installed on the second positioning plate 2011 in a detachable manner.

[0035] Among them, the part supported by the second support block 2012 is the riveting position. Therefore, a material channel 2016 is opened downward along the top of the second support block, and a positioning sleeve 2017 is set on the positioning plate. The bottom end of the positioning sleeve 2017 extends to the bottom of the second positioning plate, and the top of the positioning sleeve is connected to the material channel 2016.

[0036] The second support block 2012 has an installation space therein, and a limiting plate 2018 is arranged near the top outlet position of the material channel and in the installation space on both sides of the material channel. The limiting plate 2018 is rotatably connected with the second support block, and an installation groove is provided on the limiting plate, in which a spring 2019 is arranged, and a limiting screw 203 is arranged on the side wall of the second support block, and the limiting screw 203 abuts against the spring 2019.

[0037] More specifically, a pin hole is provided at the bottom end of the limit plate 2018, a pin is arranged in the pin hole to form a rotational connection with the second support block, and the upper end of the limit plate is inclined, and at least a portion of it is located in the material channel.

[0038] See also Fig.15 The pre-pressing bushing device 210 includes a pre-pressing platform 211, on which two groups of vertically upward pressing cylinders 212 are arranged, and a pressure head 213 is arranged at the output end of the pressing cylinder 212. A column 214 is also arranged on the pre-pressing platform, and a third support column 215 and a pressure column 216 are arranged at the top of the column 214. The position of the third support column 215 corresponds to the position of the pressure head 213 below. The pressure column 216 is used to press the parts. A third lifting cylinder 217 is arranged below the column, and the third lifting cylinder 217 is used to drive the column 214 to rise and fall, thereby realizing the contact between the third support column 215 and the pressure column 216 and the parts.

[0039] See also Figure 16-18 The tapping device 220 includes a tapping machine 221, an oiling mechanism 222 and a supporting mechanism 223. The oiling mechanism 222 includes a second mounting bracket 2221. A third lateral movement cylinder 2222 is arranged on the second mounting bracket 2221. A third movable plate 2223 is arranged at the output end of the third lateral movement cylinder 2222. Guide shafts 2224 are respectively arranged on the second mounting brackets at both ends of the third movable plate 2223. The third movable plate 2223 is connected to the guide shaft 2224 through a linear bearing to achieve stable movement of the third movable plate. A plurality of mounting shafts 2225 of different lengths are arranged on the third movable plate 2223. A brush (not shown in the figure) is arranged at the free end of the mounting shaft 2225. A cross bar 2226 is arranged on the mounting bracket above the brush. A plurality of oil nozzles 2227 are arranged on the cross bar 2226. The position and number of the oil nozzles 2227 basically correspond to the position and number of the brush below.

[0040] Specifically, an adjustment block 2261 is provided on the cross bar 2226, and the adjustment block 2261 can adjust the installation position on the cross bar. An adjustment rod 2262 is provided on a part of the adjustment block, a part of the fuel injectors 2227 are installed on the adjustment rod 2262, and a part of the fuel injectors are directly installed on the adjustment block to achieve correspondence with the position of the brush. Similarly, the installation shaft 2225 can also be adjusted in the installation position on the third movable plate 2223. In addition, the cross bar 2226 can be adjusted in the installation position on the mounting bracket.

[0041] In order to prevent the lubricating oil from dripping onto the equipment during the oil spraying and oiling process, an oil receiving pan 2228 is provided on the third movable plate 2223. The oil receiving pan 2228 is arranged below the entire mounting shaft and the brush, and moves with the brush.

[0042] like Fig.18 As shown, the supporting mechanism 223 includes a base plate 2231, a second lifting cylinder 2232 is arranged on the base plate 2231, a second lifting plate 2233 is arranged at the output end of the second lifting cylinder 2232, a plurality of supporting rods 2234 are arranged on the second lifting plate 2233, the positions and number of the supporting rods 2234 correspond to the number and positions of the tapping taps of the tapping machine, and a second positioning groove 2235 is opened at the bottom end of the supporting rod 2234.

[0043] A fourth transverse cylinder 2236 is also provided on the bottom plate 2231, a vertical plate 2237 is provided at the output end of the fourth transverse cylinder 2236, an insert block 2238 is provided at the top end of the vertical plate 2237, and a front end of the insert block 2238 has an inclined surface so that it can be inserted under the second lifting plate 2233 to form support for the second lifting plate.

[0044] When the second positioning tool 201 moves to the tapping position and stops, the second lifting cylinder 2232 below drives the support rod to rise, and then the fourth transverse cylinder starts to drive the plug plate to be inserted under the second lifting plate to form a support for the second lifting plate, and then the third transverse cylinder drives the brush to move to the tap to oil the tap, and the oil spray nozzle is connected to the oil pipeline to spray the lubricating oil on the brush.

[0045] See also Figure 1 The first riveting device 230 and the second riveting device 240 are used to rivet the two parts respectively, using riveting machines commonly used in the market, which will not be described in detail in this embodiment.

[0046] See also Figure 19-21The second transport device 290 includes a second base plate 291, two groups of fifth transverse cylinders 292 are respectively arranged at both ends of the second base plate 291, and a fourth transverse plate 293 is arranged at the output end of the fifth transverse cylinder 292, wherein a rotating motor 294 is arranged on the fourth transverse plate on the left side of the figure, and a rotating cylinder 295 is arranged on the transverse plate on the right side, and a second clamping cylinder 296 is arranged at the output end of the rotating motor and the rotating cylinder through a rotating plate, and a clamping claw 297 is arranged at the output end of the second clamping claw cylinder 296 for clamping parts.

[0047] The clamping jaws for clamping parts use two sets of clamping plates that can move relatively. Elastic pressure heads 298 are set on the clamping plates to prevent damage to the parts. Due to the different shapes of the parts, the elastic pressure heads on the left and right sides are set to different shapes.

[0048] A fourth lifting cylinder 2911 is arranged above the second bottom plate 291 through a mounting plate, a lifting vertical plate 2912 is arranged at the output end of the fourth lifting cylinder 2911, a guide rail 2913 is arranged on the lifting vertical plate 2912, a slider is arranged on the mounting plate, the guide rail can move up and down in the slider, thereby realizing the up and down movement of the lifting vertical plate, the bottom end of the lifting vertical plate 2912 is connected to the third bottom plate 2913, and then the entire third bottom plate 2913 is lifted by the fourth lifting cylinder.

[0049] See also Fig.21 A stripping mechanism 299 is also provided on the second bottom plate 291, and the stripping mechanism 299 includes a stripping cylinder 2991, a stripping plate 2992 is provided at the output end of the stripping cylinder 2991, a plurality of stripping pressing blocks 2993 are provided on the stripping plate 2992, and a plurality of guide columns 2994 penetrating the third bottom plate are also provided on the stripping plate for guiding the stripping plate to move up and down.

[0050] The above-mentioned second transporting device is installed through the mounting bracket 2901. The mounting bracket 2901 is installed at the end of the front section rotary conveyor line and the starting end of the rear section rotary conveyor line. A moving mechanism is arranged on the mounting bracket. The moving mechanism includes a servo motor 2902 arranged on the top of the mounting. The output end of the servo motor 2902 is connected to the above-mentioned mounting plate for installing the fourth lifting cylinder through a belt. The length of the belt roughly runs through the length direction of the mounting bracket to realize the transport of parts from one end of the mounting bracket to the other end.

[0051] When moving parts, the fifth transverse cylinder drives the clamp to move toward the part position, then the second clamp cylinder starts to drive the clamp to clamp the part, the rotating cylinder and the rotating motor drive the part to rotate, and then the fourth lifting cylinder drives the part to rise. After the part is moved to the specified position through the motor and belt, the fourth lifting cylinder drives the part to descend, and the part is put down through the stripping mechanism and then reset.

[0052] See also Fig. 22The bushing flattening device 250 includes a second column 251, which is roughly U-shaped and arranged sideways. A gas-liquid booster cylinder 252 and a downward pressure cylinder 253 are arranged at the top of the second column, a pressing head 254 is arranged at the output end of the gas-liquid booster cylinder 252, a pressing plate 255 is arranged at the output end of the downward pressure cylinder, and a support assembly 256 is arranged at the bottom of the second column 251.

[0053] See also Fig.23 The support assembly 256 includes a third lifting cylinder 2561, a second support rod 2562 is arranged at the output end of the third lifting cylinder 2561, a positioning column 2563 is arranged at the free end of the second support rod 2562, and a supporting end face 2564 is provided on the second support rod outside the positioning column 2563, the supporting end face 2564 is used to support the bottom of the bushing, and the positioning column 2563 is used to be inserted into the inner hole of the part.

[0054] In order to further support the parts from below, a guide plate 257 is connected to the bottom end of the second column 251, and a sixth transverse cylinder 258 is arranged on the guide plate 257. A support block 259 is arranged at the output end of the sixth transverse cylinder 258, and the support block and the guide plate are slidably connected. A third lifting plate 2565 is arranged at the output end of the third lifting cylinder 2561, and the second support rod 2562 is arranged on the third lifting plate, and the support block 259 can be moved to the bottom of the third lifting plate.

[0055] In order to adjust the height of the support block, a thickening block 2591 is provided on the support block 259. The thickening block 2591 is detachably connected to the support block, such as by screw connection, to facilitate replacement of thickening blocks of different thicknesses. In addition, since the support block needs to be moved to the bottom of the third lifting plate, an avoidance groove 2592 is opened inward along one side of the support block close to the third lifting plate to avoid the push rod at the output end of the third lifting cylinder.

[0056] See also Fig.24 A connecting bracket 2521 is arranged at the output end of the gas-liquid booster cylinder 252, a vertical guide rail is arranged on the second column, the connecting bracket can be movably connected to the vertical guide rail, the pressing head 254 can be movably arranged on the connecting bracket 2521, a second guide rod 2522 is arranged between the pressing head and the connecting bracket, a buffer spring 2523 is sleeved on the second guide rod for achieving buffering when pressing the bushing, and the structure here is similar to the structure of the pre-pressing bushing device.

[0057] When the part moves to the pressing position, the downward pressure cylinder drives the pressure plate to press the part from above, and the third lifting cylinder drives the second support rod to rise until the support end face abuts against the bottom of the bushing. Then the sixth transverse cylinder drives the support block to move forward to support the third lifting plate. Subsequently, the gas-liquid booster cylinder starts to drive the pressing head to press the bushing.

[0058] See also Fig.25The second rivet feeding device 260 includes a second vibration plate 261, and a positioning assembly 262, a first lifting assembly 263 and a second lifting assembly 264 are arranged at the discharge end of the second vibration plate 261. The positioning assembly is used to move the rivet to the first preset position, and the second lifting assembly 264 is used to drive the first lifting assembly and the positioning assembly to move up and down. The first lifting assembly 263 is used to transport the rivet at the first preset position to the second preset position, and a limit assembly 265 is arranged above the second preset position.

[0059] See also Figure 26-Figure 28 The positioning assembly 262 includes a fourth base plate 2621, a second positioning cylinder 2622 is arranged on the fourth base plate 2621, a connecting plate 2623 is arranged at the output end of the second positioning cylinder 2622, a third positioning plate 2624 is arranged at the other end of the connecting plate 2623, a second guide plate 2625 is arranged below the third positioning plate, the third positioning plate 2624 can be slidably arranged relative to the second guide plate 2625, and a third positioning groove 2626 is opened inwardly along the side surface of the third positioning plate, and the positioning groove can be moved to the discharge end of the vibration plate and move the rivet to the first preset position.

[0060] In order to detect whether there is a rivet in the third positioning groove 2626, a second detection sensor 2627 extending into the positioning groove is provided on the third positioning plate 2624, and a second baffle 2628 is provided on the bottom plate close to the first preset position to prevent the rivet in the positioning groove from falling. One side of the second baffle is provided close to the discharge end of the vibration plate, so that during the movement of the positioning groove, there is always a second baffle for limiting the position. In addition, a second positioning sleeve 2629 is provided on the third positioning plate above the third positioning groove 2626 to guide the rivet out.

[0061] The first lifting component 263 includes a fourth lifting cylinder 2631 arranged below the first preset position. A push rod 2632 is arranged at the output end of the fourth lifting cylinder 2631. The push rod 2632 can penetrate the fourth bottom plate, the third positioning plate, the third positioning groove and the second positioning sleeve. When the push rod 2632 is in the initial position, the top end thereof is in the same horizontal position as the top end of the second guide plate 2625, which can ensure that the rivet will not fall off after being positioned by the third positioning groove, and at the same time ensure that the horizontal movement of the third positioning plate will not be affected.

[0062] The second lifting assembly 264 includes a fifth lifting cylinder 2641 arranged below the fourth base plate 2621, and the output end of the fifth lifting cylinder 2641 is connected to the fourth base plate. In addition, the fourth lifting cylinder 2631 is installed and fixed through the second lifting plate 2642, and the second lifting plate 2642 is connected to the fourth base plate through multiple connecting columns 2643. The fifth lifting cylinder can simultaneously drive the fourth base plate and the second lifting plate to move up and down. A plurality of second guide columns 2644 are also arranged on the second lifting plate to guide the up and down movement of the second lifting plate.

[0063] The limiting assembly 265 includes a fifth lifting cylinder 2651 disposed above the positioning assembly. A limiting rod 2652 is disposed at the output end of the fifth lifting cylinder 2651 . The limiting rod 2652 corresponds to the position of the second positioning sleeve.

[0064] After the second vibrating plate discharges the material, it passes through a material channel and moves to the end of the channel and is blocked by the third positioning plate. The second positioning cylinder starts to drive the third positioning plate to move, and the third positioning groove is moved to the end of the material channel. The rivet enters the third positioning groove, and then the second positioning cylinder drives the third positioning groove to move to the first preset position, that is, Figure 3 The position shown is then activated by the second lifting cylinder, driving the entire positioning assembly and the first lifting assembly to rise. Subsequently, the fourth lifting cylinder is activated, driving the ejector rod to rise, ejecting the rivet, and moving the rivet to the limit plate of the second positioning tooling through the second positioning sleeve, that is, the second preset position. At this time, the limit rod is already above the second preset position driven by the fifth lifting cylinder, and is used to limit the moving rivet.

[0065] The second riveting device 270 uses a cylinder to drive the riveting head to press down to rivet the rivets loaded by the second rivet feeding device. The structure is relatively simple and will not be described in detail in this embodiment.

[0066] See also Fig.29 The unloading device 280 includes a horizontally arranged unloading cylinder 281, a fifth lifting cylinder 282 is arranged at the output end of the unloading cylinder 281, and a plurality of adsorption cylinders 283 are arranged at the output end of the fifth lifting cylinder 282 through a mounting plate. The adsorption cylinder 283 also adopts the same adsorption method as the magnet cylinder on the first handling device to adsorb and grasp the parts. Two groups of unloading slides 284 with different directions are arranged under the adsorption cylinder to distinguish qualified parts from unqualified parts.

[0067] Working principle: First, the circular conveyor line 100 loads and processes part A. The first rivet loading device 100 first loads the No. 1 rivet onto the first positioning fixture 140. The circular conveyor line transports the first positioning fixture that has been loaded with rivets for a distance and stops. Part A is manually placed on the positioning fixture, and then moved to the position of the first riveting device 120 to rivet the No. 1 rivet and part A. After moving to the grabbing position of the first handling device 130, part A is transported to the second positioning device 201 through the first handling device, and then moved forward for a distance and stopped. It has not yet reached the pre-pressed bushing position. After stopping, different models of car seat side panels and bushings are manually transported to the second On the positioning tool, at the loading position, a lifting cylinder is arranged under the second positioning tool, which is used to lift up the second positioning tool and then load the material. After the loading is completed, the second positioning tool moves to the positions of the pre-pressing bushing device 210, the tapping device 220, the first riveting device 230 and the second riveting device 240 in sequence and stops, and performs actions such as pre-pressing bushings, tapping and riveting respectively, and finally moves to the position of the second conveying device 290, and the parts are turned over by the second conveying device and then conveyed to the rear section of the rotary conveyor line, and pass through the flattening bushing device 250, the second rivet loading device 260 and the second riveting device 270 in sequence, and finally completes the assembly of the seat side panel, and is discharged through the unloading device 280.

[0068] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An assembly production line, comprising a rotary conveyor line divided into two sections, a front section and a rear section, wherein a positioning tool is provided on the rotary conveyor line, characterized in that: Set up along one side of the front rotary conveyor line: The pre-pressing bushing device comprises a press-fitting cylinder, wherein a pressure head is arranged at the output end of the press-fitting cylinder; A tapping device comprises a tapping machine, an oiling mechanism and a supporting mechanism, wherein the oiling mechanism is used to oil a tapping cone of the tapping machine, and the supporting mechanism is arranged below the tapping cone; Riveting device, including riveting machine; Set up along one side of the rear rotary conveyor line in sequence: The bushing flattening device comprises a gas-liquid booster cylinder, a press-fitting head is arranged at the output end of the gas-liquid booster cylinder, and a support assembly is arranged below the press-fitting head; A rivet feeding device comprises a vibrating plate, a positioning assembly, a first lifting assembly and a second lifting assembly are arranged at the discharge end of the vibrating plate, the positioning assembly is used to move the rivet to a first preset position, the second lifting assembly is used to drive the first lifting assembly and the positioning assembly to move up and down, and the first lifting assembly is used to transport the rivet at the first preset position to the positioning tooling; A riveting device, comprising a riveting cylinder and a pressing head arranged at an output end of the riveting cylinder; A transport device is arranged between the front and rear sections of the rotary conveyor line, and the transport device is used to drive the riveted parts to flip over and transport them to the rear section of the rotary conveyor line.

2. An assembly production line according to claim 1, characterized in that: The oiling mechanism comprises a transverse cylinder, a movable plate is arranged at the output end of the transverse cylinder, a plurality of brushes are arranged on the movable plate, a plurality of oil spray nozzles are arranged above the brushes, an oil receiving pan is arranged below the brushes, and the oil receiving pan is connected to the movable plate.

3. An assembly line according to claim 1, characterized in that: The supporting mechanism comprises a lifting cylinder and a transverse cylinder. A plurality of supporting rods are arranged at the output end of the lifting cylinder, and a vertical plate is arranged at the output end of the transverse cylinder. The vertical plate can be moved to the bottom of the lifting plate.

4. An assembly production line according to claim 1, characterized in that: The positioning tooling includes a positioning plate, on which a plurality of positioning units are arranged, each of the positioning units includes a support block, a positioning pin and a support column, a material channel penetrating the positioning plate is opened downwardly from the top end of the support block, two limit plates are arranged opposite to each other on both sides of the material channel, the limit plates are rotatably connected to the support block and a spring is arranged between the two, and in an initial state, at least a portion of the top end of the limit plate is in the material channel.

5. An assembly production line according to claim 4, characterized in that: The positioning assembly includes a base plate, a positioning cylinder is arranged on the base plate, a positioning plate is arranged at the output end of the positioning cylinder, a positioning slot is provided on the positioning plate, and the positioning slot can be moved to the discharge end of the vibration plate and move the rivet to a first preset position.

6. An assembly production line according to claim 5, characterized in that: The first lifting assembly includes a first lifting cylinder arranged below the first preset position, a push rod is arranged at the output end of the first lifting cylinder, the push rod can pass through the bottom plate, the positioning plate and the positioning groove and extend into the material channel, and a positioning sleeve is arranged on the positioning plate above the positioning groove.

7. An assembly production line according to claim 1, characterized in that: The transport device includes a mounting bracket, on which a moving mechanism and a base plate are arranged, and transverse cylinders are arranged at both ends of the base plate, wherein a rotating cylinder is arranged at the output end of the transverse cylinder at one end, and a rotating motor is arranged at the output end of the transverse cylinder at the other end, and claw cylinders are arranged at the output ends of the rotating cylinder and the rotating motor, and claws are arranged at the output ends of the claw cylinders, and a lifting cylinder is arranged above the base plate, and the output end of the lifting cylinder is connected to the base plate, and the moving mechanism is used to drive the lifting cylinder and the base plate to move horizontally.

8. An assembly line according to claim 7, characterized in that: A stripping cylinder is also arranged on the bottom plate, a stripping plate is arranged at the output end of the stripping cylinder, and a plurality of stripping pressing blocks are arranged on the stripping plate.

9. An assembly production line according to claim 1, characterized in that: The end of the rotary conveyor line is also provided with a ring conveyor line for assembling part A, and along one side of the ring conveyor line: A rivet feeding device for part A comprises a rivet vibrating plate for part A, and a secondary positioning component and a grabbing component are arranged at the discharge end of the rivet vibrating plate for part A; The riveting device of part A comprises a riveting cylinder of part A, a riveting head is arranged downward at the output end of the riveting cylinder of part A, a lifting cylinder is arranged horizontally below the riveting head, a wedge is arranged at the output end of the lifting cylinder, a lifting plate is arranged above the wedge, and the lifting plate abuts against the wedge through a roller; The part A transport device is used to transport the riveted part A to the positioning tooling of the rotary conveyor line.

10. An assembly production line according to claim 9, characterized in that: The annular conveyor line includes a conveying motor, the output end of which is connected to an annular conveying belt via a synchronous wheel, an annular mounting bracket is arranged on the outer side of the conveying belt, a plurality of part A positioning fixtures are movably arranged on the mounting bracket, wherein a fixed cylinder is arranged on one side of at least a portion of the part A positioning fixtures, a fixed plate is arranged at the output end of the fixed cylinder, a fixed groove is provided on the fixed plate, and a limit block corresponding to the fixed groove is arranged on the positioning plate.

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