CN112828562B - Automatic assembly device for parts - Google Patents
Automatic assembly device for parts Download PDFInfo
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- CN112828562B CN112828562B CN202110273509.3A CN202110273509A CN112828562B CN 112828562 B CN112828562 B CN 112828562B CN 202110273509 A CN202110273509 A CN 202110273509A CN 112828562 B CN112828562 B CN 112828562B
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- riveting
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- positioning block
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
Abstract
The invention provides an automatic assembly device for parts, which comprises a riveting part and a feeding rotary part, wherein the riveting part is fixedly connected with the feeding rotary part, and one side of the feeding rotary part is provided with a grabbing and discharging part; the riveting component is provided with a base, an upright post is fixedly arranged on one side of the upper surface of the base, a riveting power component is arranged on the side surface of the upright post, a riveting motor is arranged at the upper end of the riveting power component, the riveting power component is rotatably connected with the riveting motor, a riveting head component is arranged at the lower end of the riveting power component, and a riveting workbench is arranged on the other side of the upper surface of the base; the riveting head component comprises a riveting head main body, a riveting head unit is arranged at the lower end of the riveting head main body, a pressing plate is arranged at the front end of the riveting head unit, a pressing spring is arranged between the upper surface of the pressing plate and the supporting and positioning shaft, and the front end of the supporting and positioning shaft is connected with the pressing plate in a sliding mode. It has solved the quick riveting equipment of dysmorphism automobile parts. The method can be widely applied to the assembly and processing of automobile parts.
Description
Technical Field
The invention relates to assembly of parts, in particular to an automatic assembly device for the parts.
Background
With the development of industry, especially the rapid development of automobile industry, the production of parts is basically automated, the assembly of the parts comprises the processes of welding, riveting and the like, the special-shaped parts in the automobile industry are produced in large batch by adopting the riveting process more and more, and most of the special-shaped parts are fixed and connected by adopting the riveting process.
The special-shaped parts of the automobile are numerous, the special-shaped parts are riveted by adopting a riveting process in a large quantity, the existing riveting process relies on manual operation in a large quantity to realize riveting, the working efficiency is low, the quality consistency is poor, how to realize quick riveting of the special-shaped automobile parts and realize automatic riveting can meet the requirement of industrial mass production, and the special-shaped parts become a problem which restricts the development of the automobile industry and other industries.
Disclosure of Invention
The invention provides a part automatic assembly device which can realize automatic feeding, automatic riveting and automatic blanking of parts only by manually placing the parts, and has high working efficiency, good quality consistency, low labor intensity of workers and realization of automatic assembly operation of special-shaped parts of automobiles.
Therefore, the technical scheme of the invention is that the automatic part assembling device comprises a riveting component and a feeding rotary component, wherein the riveting component is fixedly connected with the feeding rotary component, and one side of the feeding rotary component is provided with a grabbing and discharging component;
the riveting component is provided with a base, an upright post is fixedly arranged on one side of the upper surface of the base, a riveting power component is arranged on the side surface of the upright post, a riveting motor is arranged at the upper end of the riveting power component, the riveting power component is rotatably connected with the riveting motor, a riveting head component is arranged at the lower end of the riveting power component, and a riveting workbench is arranged on the other side of the upper surface of the base; the riveting head component comprises a riveting head main body, a riveting head unit is arranged at the lower end of the riveting head main body, a riveting pressure head is arranged at the front end of the riveting head unit, supporting and positioning shafts are respectively arranged at two sides of the lower end of the riveting head main body, pressing plates are arranged at the front ends of the two supporting and positioning shafts, a pressing spring is arranged between the upper surface of each pressing plate and the corresponding supporting and positioning shaft, the front ends of the supporting and positioning shafts are connected with the pressing plates in a sliding mode, and the riveting pressure head penetrates through the pressing plates;
the feeding rotary part comprises a bottom plate, a rotary table is rotatably arranged on the bottom plate, rotary power is arranged on the side face of the rotary table, the rotary power is connected with the rotary table to drive the rotary table to rotate, and four tool assemblies are uniformly distributed on the rotary table; the bottom plate is also provided with a supporting I-shaped steel, a riveting force detection sensor is fixedly arranged on the supporting I-shaped steel and is positioned at the bottom of the turntable, and the upper surface of the riveting force detection sensor and the bottom of the tool assembly are mutually supported; the tool assembly comprises a base plate, a workpiece left positioning block and a workpiece right positioning block are arranged on the upper surface of the base plate and are arranged in parallel, a workpiece positioning cambered surface is arranged on the upper surface of one side, close to the workpiece left positioning block, of the workpiece right positioning block, tool mounting holes are formed in two sides of the base plate respectively, workpiece positioning pins are fixedly arranged on two side surfaces of the workpiece right positioning block respectively, and riveting supporting protrusions are arranged at the top ends of the workpiece positioning pins;
the grabbing and unloading part comprises a front support frame and a middle support frame, a belt support is fixedly arranged on the front support frame and the middle support frame, a front support roller is arranged at the upper end of the front support frame, a rear support roller is arranged at the tail end of the belt support, a transmission belt is rotatably arranged between the front support roller and the rear support roller, a belt motor is further arranged at the tail end of the belt support, the output end of the belt motor is connected with one end of the rear support roller, an upper support is arranged between the front support frame and the middle support frame and positioned on the belt support, a horizontal telescopic cylinder is fixedly arranged on the upper support, a vertical movement cylinder is fixedly arranged at the output end of the horizontal telescopic cylinder, a pneumatic gripper is fixedly arranged on the vertical movement cylinder, and a clamping jaw is arranged at the front end of the pneumatic gripper; the inclination angle of the riveting head unit and the vertical line is 4 +/-0.5 degrees; the outer side of the joint of the supporting and positioning shaft and the pressing plate is provided with a twisting buffer port.
Preferably, the number of the rivet head units arranged at the lower end of the rivet head main body is two.
Preferably, the stud is slidably connected to the riveted power component.
Preferably, the side of the turntable is provided with a positioning groove, the other side of the bottom plate is fixedly provided with a support, the support is provided with a positioning cylinder, the front end of the positioning cylinder is provided with a positioning bulge, and the positioning bulge can be matched and positioned with the positioning groove.
Preferably, the positioning protrusion and the positioning groove are V-shaped, and the included angle of the V shape is 40-60 degrees.
Preferably, the middle of the base plate is provided with a mounting positioning pin at the bottom of the workpiece positioning cambered surface, a pressure guide pillar is arranged in the mounting positioning pin in a penetrating manner, the upper end of the pressure guide pillar is provided with a pressure adjusting screw, the pressure adjusting screw is in threaded connection with the pressure guide pillar, and the upper surface of the pressure adjusting screw supports the workpiece right positioning block.
Preferably, the positions of the workpiece left positioning block and the workpiece right positioning block and the upper surface of the base plate can be adjusted and locked.
Preferably, riveting workpieces are placed on the workpiece left positioning block and the workpiece right positioning block, each riveting workpiece comprises a special-shaped part and a workpiece shaft, a workpiece cambered surface is arranged on one side of each special-shaped part, a gear part and a fixing part are respectively arranged on two sides of each workpiece shaft, the gear parts and the fixing parts are sleeved on the workpiece shafts, the fixing parts are fixedly connected with the workpiece shafts, riveting bulges are respectively arranged on the gear parts and the fixing parts, and the riveting bulges penetrate through riveting holes in the special-shaped parts; the back of the riveting bulge is correspondingly provided with a workpiece positioning hole, the workpiece positioning hole is sleeved on the workpiece positioning pin, the workpiece cambered surface is placed on the workpiece positioning cambered surface, and the riveting workpiece is positioned and fixed with the workpiece positioning pin through the two workpiece positioning holes.
The automatic workpiece grabbing and discharging device has the advantages that due to the fact that the feeding rotary component is arranged, the workpiece can be automatically rotated to the assembling station and can also be rotated to the discharging station after manual feeding is achieved, and then automatic grabbing and discharging of workpieces are achieved through the grabbing and discharging component. The workpiece left positioning block and the workpiece right positioning block realize the positioning of special-shaped complex automobile parts, can ensure reasonable stress during assembly, avoid the unexpected torsion of riveting assembly, ensure the quality of products and improve the production efficiency.
Drawings
FIG. 1 is a schematic three-dimensional structure of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a schematic three-dimensional structure of a rivet member;
FIG. 4 is a front view of FIG. 3;
FIG. 5 is a side view of FIG. 4;
FIG. 6 is a schematic three-dimensional structure of a rivet head component;
FIG. 7 is a front view of FIG. 6;
FIG. 8 is a side view of FIG. 6;
FIG. 9 is a top view of FIG. 6;
FIG. 10 is a schematic three-dimensional structure of a loading turn part;
FIG. 11 is a front view of FIG. 10;
FIG. 12 is a side view of FIG. 10;
FIG. 13 is a top view of FIG. 10;
FIG. 14 is a right side view of FIG. 10;
FIG. 15 is a cross-sectional view C-C of FIG. 14;
FIG. 16 is a schematic three-dimensional view of a tooling assembly;
FIG. 17 is a top view of FIG. 16;
FIG. 18 is a sectional view A-A of FIG. 17;
FIG. 19 is a front view of FIG. 17;
FIG. 20 is a side view of FIG. 17;
FIG. 21 is a schematic three-dimensional structure of a grab dump block;
FIG. 22 is a side view of FIG. 21;
FIG. 23 is a top view of FIG. 21;
FIG. 24 is a schematic three-dimensional structure of a riveted work piece;
FIG. 25 is a front view of FIG. 24;
FIG. 26 is a top view of FIG. 24;
FIG. 27 is a side view of FIG. 24;
fig. 28 is a cross-sectional view of fig. 26.
The symbols in the drawings illustrate that:
1. riveting the component; 2. a feeding rotary part; 3. a grabbing and discharging part; 101. a base; 102. a column; 103. riveting a motor; 104. riveting a power component; 105. riveting a workbench; 106. a rivet joint member; 10601. riveting a joint main body; 10602. a rivet joint unit; 10603. riveting a pressure head; 10604. a compression spring; 10605. a compression plate; 10606. supporting a positioning shaft; 10607. twisting the buffer port; 201. a base plate; 202. a protection plate; 203. a safety protection switch; 204. a turntable; 205. a tooling assembly; 206. a support; 207. positioning the projection; 208. a positioning groove; 209. positioning the air cylinder; 210. a switch bracket; 211. rotating power; 212. supporting the I-shaped steel; 213. a riveting force detection sensor; 20501. a base plate; 20502. a tool mounting hole; 20503. a workpiece positioning pin; 20504. riveting a support protrusion; 20505. a workpiece left positioning block; 20506. positioning the cambered surface of the workpiece; 20507. a workpiece right positioning block; 20508. installing a positioning pin; 20509. a pressure guide post; 20510. a pressure adjustment screw; 301. a transfer belt; 302. a front support frame; 303. an upper bracket; 304. a horizontal telescopic cylinder; 305. a pneumatic gripper; 306. a clamping jaw; 307. a vertical movement cylinder; 308. a blocking plate; 309. a belt motor; 310. a position sensing sensor; 311. a middle support frame; 312. a front support roller; 313. a rear support roller; 314. a belt support; 4. riveting a workpiece; 401. riveting a bulge; 402. a workpiece shaft; 403. a workpiece cambered surface; 404. a profiled component; 405. a gear portion; 406. a fixed portion; 407. and (5) positioning a workpiece hole.
Detailed Description
The present invention will be further described with reference to the following examples.
Fig. 1 to 28 show an embodiment of an automatic component assembling device according to the present invention, and as can be seen from fig. 1, the device includes a riveting part 1 and a feeding rotary part 2, the riveting part 1 and the feeding rotary part 2 are fixedly connected, and a gripping and discharging part 3 is disposed on one side of the feeding rotary part 2.
Fig. 6-9 illustrate an embodiment of the rivet joint member 106, and it can be seen that the rivet joint member 106 includes a rivet joint main body 10601, a rivet joint unit 10602 is disposed at a lower end of the rivet joint main body 10601, a riveting press head 10603 is disposed at a front end of the rivet joint unit 10602, support positioning shafts 10606 are disposed at two sides of the lower end of the rivet joint main body 10601, pressing plates 10605 are disposed at front ends of the two support positioning shafts 10606, a pressing spring 10604 is disposed between an upper surface of the pressing plate 10605 and the support positioning shafts 10606, a front end of the support positioning shaft 10606 is slidably connected to the pressing plate 10605, and the riveting press head 10603 penetrates through the pressing plate 10605; the number of the rivet joint units 10602 provided at the lower end of the rivet joint body 10601 is two.
Because the lower end of the rivet joint main body 10601 is provided with two rivet joint units 10602, two riveting operations can be realized at one time, and because the front ends of the two supporting and positioning shafts 10606 are provided with the pressing plates 10605, the pressing springs 10604 are arranged between the upper surfaces of the pressing plates 10605 and the supporting and positioning shafts 10606, the front ends of the supporting and positioning shafts 10606 are in sliding connection with the pressing plates 10605, and the riveting press head 10603 penetrates through the pressing plates 10605, the pressing plates 10605 can synchronously press the surfaces of the riveting pieces during riveting to provide pressing force, the riveting force can also ensure the stability of the riveting pieces during riveting impact, the riveting force can not push the riveting pieces to generate transverse or other unexpected twisting, and the quality of the riveting pieces is ensured.
In the implementation, the inclination angle of the riveting head unit 10602 and the vertical line is 4 degrees +/-0.5 degrees, the angle is suitable for most riveting protrusions, when the riveting protrusions are riveted and pressed, the pressure of the riveting head can be maximally applied, the full utilization of riveting power is ensured, and the riveting quality and efficiency can be ensured.
The compression spring 10604 of the embodiment can conveniently replace springs with different compression forces to meet the compression requirements of different riveting pieces.
Meanwhile, the twisting buffer port 10607 is arranged on the outer side of the joint of the supporting and positioning shaft 10606 and the pressing plate 10605, and because the twisting buffer port 10607 is arranged on the outer side of the joint of the supporting and positioning shaft 10606 and the pressing plate 10605, the supporting and positioning shaft 10606 is slightly displaced due to the twisting force generated when the riveting head unit 10602 is riveted and pressed, at this time, the twisting buffer port 10607 can slightly deform, so that the slight displacement can be eliminated, the impact generated by the next slight displacement cannot be transmitted to the pressing plate 10605, and the stability of the pressing force of the pressing plate 10605 is ensured, thereby ensuring the pressing quality and further ensuring the riveting quality.
Above structure can once only realize two-point riveting, and production efficiency is high, when riveting, can realize compressing tightly the assistance of riveting piece simultaneously.
Fig. 10-15 are structural diagrams of an embodiment of the feeding rotary part 2, and as can be seen in fig. 10, the feeding rotary part comprises a bottom plate 201, a rotary table 204 is rotatably arranged on the bottom plate 201, a rotary power part 211 is arranged on the side surface of the rotary table 204, the rotary power part 211 is connected with the rotary table 204 to drive the rotary table 204 to rotate, and four tooling assemblies 205 are uniformly distributed on the rotary table 204; the bottom plate 201 is further provided with a supporting I-shaped steel 212, the supporting I-shaped steel 212 is fixedly provided with a riveting force detection sensor 213, the riveting force detection sensor 213 is located at the bottom of the turntable 204, and the upper surface of the riveting force detection sensor 213 and the bottom of the tooling assembly 205 are mutually supported.
In the implementation, a positioning groove 208 is formed in the side face of the turntable 204, a support 206 is fixedly arranged on the other side of the bottom plate 201, a positioning cylinder 209 is arranged on the support 206, a positioning protrusion 207 is arranged at the front end of the positioning cylinder 209, and the positioning protrusion 207 can be matched with the positioning groove 208 for positioning. The positioning protrusion 207 and the positioning groove 208 are V-shaped, and the included angle of the V shape is 40-60 degrees. The rotary power member 211 is a hydraulic rotary cylinder or an electric motor.
As shown in fig. 10, a protection plate 202 is fixedly disposed on one side of the upper surface of the base plate 201, a switch bracket 210 is disposed on one side of the protection plate 202, and a safety switch 203 is fixedly disposed on the switch bracket 210.
In the technical scheme of this embodiment, because the carousel 204 side is equipped with gyration power part 211, gyration power part 211 is connected with carousel 204 and is driven carousel 204 and rotate, the equipartition is equipped with four frock subassemblies 205 on the carousel 204, when the operation, the operator can be in the same place the preliminary cartridge of scattered piece of riveting piece, then will tentatively cartridge treat that the riveting piece is placed on one of them frock subassembly 205 together, gyration power part 211 drives the carousel 204 rotatory this moment, when rotatory to the riveting station, can realize the riveting operation of work piece, after the riveting technology, carousel 204 continues to rotate, the work piece that the riveting is good is rotatory to the unloading position under the drive of carousel 204, provide the position space for next unloading operation. When the riveting piece is riveted, the next workpiece to be riveted is manually placed on the tool assembly 205, so that the loading and unloading operations of the riveting piece are realized, and the industrial batch production is realized.
The side of the turntable 204 is provided with a positioning groove 208, the other side of the base plate 201 is fixedly provided with a support 206, the support 206 is provided with a positioning cylinder 209, the front end of the positioning cylinder 209 is provided with a positioning protrusion 207, and the positioning protrusion 207 can be matched and positioned with the positioning groove 208, so that the precision positioning of the riveting piece is improved, and the problem of poor quality consistency caused by inaccurate positioning of parts can be avoided. The positioning protrusion 207 and the positioning groove 208 are V-shaped, and the included angle of the V shape is 40-60 degrees, so that stable positioning can be realized, the separation can be convenient, and the service life is long.
Because the rotary power member 211 is a hydraulic rotary cylinder or an electric motor, it can be replaced and selected according to the need of working efficiency or the need of equipment cost.
Because the protection plate 202 is fixedly arranged on one side of the upper surface of the base plate 201, the switch support 210 is arranged on one side of the protection plate 202, and the safety protection switch 203 is fixedly arranged on the switch support 210, the safety of an operator when the riveting piece is placed can be protected, whether the riveting piece is placed can be intelligently identified, and a basic signal is provided for automatic detection and control.
And because the bottom plate 201 is also provided with the supporting I-steel 212, the supporting I-steel 212 is fixedly provided with the riveting force detection sensor 213, the riveting force detection sensor 213 is positioned at the bottom of the turntable 204, and the upper surface of the riveting force detection sensor 213 and the bottom of the tooling assembly 205 are mutually supported, so that during riveting operation, the riveting force is transmitted to the supporting I-steel 212 through the riveting force detection sensor 213 and then transmitted to the bottom plate 201 through the supporting I-steel 212, and the stress model can protect the turntable 204 and the mechanical structure related to the turntable 204 from being damaged by unexpected external force, ensure the structural stability of the whole equipment and prolong the service life of the equipment.
The riveting force detection sensor 213 of this embodiment can collect and transmit the riveting pressure to the control system, so as to facilitate statistics and monitoring of the riveting force, and ensure the consistency of the riveting force, thereby ensuring the product quality.
Fig. 16-20 are schematic structural diagrams of an embodiment of the tool assembly 205, and it can be seen that the tool assembly 205 includes a base plate 20501, a left workpiece positioning block 20505 and a right workpiece positioning block 20507 are disposed on an upper surface of the base plate 20501, the left workpiece positioning block 20505 and the right workpiece positioning block 20507 are arranged side by side, a workpiece positioning arc 20506 is disposed on an upper surface of the right workpiece positioning block 20507 on a side close to the left workpiece positioning block 20505, tool mounting holes 20502 are respectively disposed on two sides of the base plate 20501, workpiece positioning pins 20503 are respectively fixedly disposed on two sides of the right workpiece positioning block 20507, and a riveting support protrusion 20504 is disposed at a top end of the workpiece positioning pin 20503; a riveting workpiece 4 is placed on the workpiece left positioning block 20505 and the workpiece right positioning block 20507, the riveting workpiece 4 comprises a special-shaped part 404 and a workpiece shaft 402, a workpiece arc surface 403 is arranged on one side of the special-shaped part 404, a gear part 405 and a fixed part 406 are respectively arranged on two sides of the workpiece shaft 402, the gear part 405 and the fixed part 406 are sleeved on the workpiece shaft 402, the fixed part 406 is fixedly connected with the workpiece shaft 402, riveting protrusions 401 are respectively arranged on the gear part 405 and the fixed part 406, and the riveting protrusions 401 penetrate through riveting holes in the special-shaped part 404; the back of the riveting bulge 401 is correspondingly provided with a workpiece positioning hole 407, the workpiece positioning hole 407 is sleeved on the workpiece positioning pin 20503, the workpiece cambered surface 403 is placed on the workpiece positioning cambered surface 20506, and the riveting workpiece 4 is positioned and fixed with the workpiece positioning pin 20503 through the two workpiece positioning holes 407.
As can be seen in fig. 18, a mounting positioning pin 20508 is disposed in the middle of the base plate 20501 at the bottom of the workpiece positioning cambered surface 20506, a pressure guide pillar 20509 is disposed inside the mounting positioning pin 20508 in a penetrating manner, a pressure adjusting screw 20510 is disposed at the upper end of the pressure guide pillar 20509, the pressure adjusting screw 20510 is in threaded connection with the pressure guide pillar 20509, and the workpiece right positioning block 20507 is supported on the upper surface of the pressure adjusting screw 20510. The positions of the workpiece left positioning block 20505 and the workpiece right positioning block 20507 and the upper surface of the base plate 20501 can be adjusted and locked.
In the embodiment, since the upper surface of the base plate 20501 is provided with the workpiece left positioning block 20505 and the workpiece right positioning block 20507, and the workpiece left positioning block 20505 and the workpiece right positioning block 20507 are arranged in parallel, the positioning accuracy of the tool can be adjusted by micro-adjusting the positions of the workpiece left positioning block 20505 and the workpiece right positioning block 20507, and high-precision riveting processing is realized. The upper surface of one side, close to the left workpiece positioning block 20505, of the right workpiece positioning block 20507 is provided with a workpiece positioning cambered surface 20506, the workpiece positioning cambered surface 20506 can be used for positioning a riveting workpiece 4, the workpiece cambered surface 403 on the riveting workpiece 4 can be conveniently placed on the workpiece positioning cambered surface 20506 to realize rapid placement and positioning during riveting, meanwhile, the back of the riveting bulge 401 is correspondingly provided with a workpiece positioning hole 407, the workpiece positioning hole 407 is sleeved on the workpiece positioning pin 20503, the workpiece cambered surface 403 is placed on the workpiece positioning cambered surface 20506, the riveting workpiece 4 is positioned and fixed with the workpiece positioning pin 20503 through the two workpiece positioning holes 407, and the workpiece positioning pin 20503 is finally precisely positioned and fixed.
The top end of the workpiece positioning pin 20503 is provided with a riveting support bulge 20504, the diameter of the riveting support bulge 20504 of the technical scheme is smaller than that of the workpiece positioning pin 20503, so that when the riveting support bulge 20504 is supported on the inner bottom surface of the workpiece positioning hole 407, the thickness error can be eliminated, when the depth of the hole of the workpiece positioning hole 407 is small due to manufacturing reasons, the height error can be eliminated by pressing the riveting support bulge 20504 to generate tiny deformation, and the quality of a riveting process is ensured.
In addition, because the middle of the base plate 20501 is positioned at the bottom of the workpiece positioning cambered surface 20506 and is provided with the mounting positioning pin 20508, the inside of the mounting positioning pin 20508 is provided with the pressure guide pillar 20509 in a penetrating manner, the upper end of the pressure guide pillar 20509 is provided with the pressure adjusting screw 20510, the pressure adjusting screw 20510 is in threaded connection with the pressure guide pillar 20509, and the upper surface of the pressure adjusting screw 20510 supports the right workpiece positioning block 20507, the structure can eliminate the size error of each batch of riveting parts by manually adjusting the height of the pressure adjusting screw 20510, and can ensure the adjustable function of the riveting part positioning device 1, thereby realizing the maximized use of the tool and prolonging the service life.
When the riveting device works, when a riveting workpiece is arranged in the riveting piece positioning device 1, the riveting bulge 401 is riveted and pressed through a riveting process, the special-shaped part 404, the gear part 405 and the fixing part 406 are riveted with the workpiece shaft 402 into a whole, and batch riveting operation is achieved.
The embodiment provides the riveting piece positioning device which is reliable in positioning, stable in positioning, reasonable in stress in the riveting process, free of the problem that the riveting quality of the riveting piece is affected due to vibration of the riveting piece or movement of the riveting piece and the like in the riveting process, and capable of being widely applied to the riveting process of complex special-shaped riveting pieces.
Fig. 21-23 show an embodiment of the grab dump part 3, which can be seen in fig. 21, the automatic belt feeding device comprises a front support frame 302 and a middle support frame 311, wherein a belt support 314 is fixedly arranged on the front support frame 302 and the middle support frame 311, a front support roller 312 is arranged at the upper end of the front support frame 302, a rear support roller 313 is arranged at the tail end of the belt support 314, a transmission belt 301 is rotatably arranged between the front support roller 312 and the rear support roller 313, a belt motor 309 is further arranged at the tail end of the belt support 314, the output end of the belt motor 309 is connected with one end of the rear support roller 313, an upper support 303 is arranged between the front support frame 302 and the middle support frame 311 and positioned on the belt support 314, a horizontal telescopic cylinder 304 is fixedly arranged on the upper support 303, a vertical movement cylinder 307 is fixedly arranged at the output end of the horizontal telescopic cylinder 304, a pneumatic gripper 305 is fixedly arranged on the vertical movement cylinder 307, and a clamping jaw 306 is arranged at the front end of the pneumatic gripper 305.
As can be seen in fig. 21, the rear end of the belt holder 314 is provided with a blocking plate 308 on the upper surface of the conveying belt 301, and position sensing sensors 310 are provided on both sides of the middle portion of the belt holder 314.
Because the upper bracket 303 is arranged between the front supporting frame 302 and the middle supporting frame 311 and positioned on the belt bracket 314, the horizontal telescopic cylinder 304 is fixedly arranged on the upper bracket 303, the vertical moving cylinder 307 is fixedly arranged at the output end of the horizontal telescopic cylinder 304, and the pneumatic gripper 305 is fixedly arranged on the vertical moving cylinder 307, when the riveting process is completed, the horizontal telescopic cylinder 304 drives the vertical moving cylinder 307 to move forwards, so as to drive the pneumatic gripper 305 to move forwards, according to the requirement of the moving distance, the pneumatic gripper is moved to the station of the riveting piece to be gripped, then the gripping of the finished riveting piece is completed through the gripper 306 arranged at the front end of the pneumatic gripper 305, the riveting piece is returned to the original position, the finished riveting piece is loosened, automatically falls onto the conveying belt 301, and is transmitted to the tail part of the conveying belt 301 through the conveying belt 301.
Because the tail end of the belt support 314 is positioned on the upper surface of the transmission belt 301 and is provided with the blocking plate 308, the riveting workpieces transmitted by the transmission belt 301 are blocked by the blocking plate 308 and cannot fall off, and a certain number of riveting pieces can be collected into a turnover box in a centralized manner by manpower, so that the riveting pieces are collected in a centralized manner.
In this implementation, the position sensing sensors 310 are arranged on two sides of the middle of the belt support 314, and when the number of riveting pieces is large, the position sensing sensors 310 can provide information for a control system to realize reminding, so that an operator is reminded to operate before, and the riveting pieces are collected in a centralized manner. The inner side of the clamping jaw 306 is provided with a positioning taper hole, and the positioning taper hole realizes positioning of two ends of a workpiece, so that the picking is reliable, the workpiece is not easy to fall off, and the operation reliability of the whole production line is improved.
Above structure can realize automatic the snatching of unloading to the riveting piece, and production efficiency is high, safe and reliable, but wide application in the automatic unloading of riveting piece assembly processing.
The technical scheme of the invention provides the automatic part assembling device which can realize automatic feeding, automatic riveting and automatic discharging of parts only by manually placing the parts, the automatic part assembling device has high working efficiency, good quality consistency and low labor intensity of workers, realizes automatic assembling operation of special-shaped parts of automobiles, and can be widely applied to automatic assembling and processing of the parts of the automobiles.
However, the above description is only exemplary of the present invention, and the scope of the present invention should not be limited thereby, and the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should be covered by the claims of the present invention.
Claims (8)
1. An automatic assembly device of spare part, characterized by: the riveting device comprises a riveting part and a feeding rotary part, wherein the riveting part is fixedly connected with the feeding rotary part, and one side of the feeding rotary part is provided with a grabbing and discharging part;
the riveting component is provided with a base, an upright post is fixedly arranged on one side of the upper surface of the base, a riveting power component is arranged on the side surface of the upright post, a riveting motor is arranged at the upper end of the riveting power component, the riveting power component is rotatably connected with the riveting motor, a riveting head component is arranged at the lower end of the riveting power component, and a riveting workbench is arranged on the other side of the upper surface of the base; the riveting head component comprises a riveting head main body, a riveting head unit is arranged at the lower end of the riveting head main body, a riveting pressure head is arranged at the front end of the riveting head unit, supporting and positioning shafts are respectively arranged on two sides of the lower end of the riveting head main body, pressing plates are arranged at the front ends of the two supporting and positioning shafts, a pressing spring is arranged between the upper surface of each pressing plate and the corresponding supporting and positioning shaft, the front ends of the supporting and positioning shafts are connected with the pressing plates in a sliding mode, and the riveting pressure head penetrates through the pressing plates;
the feeding rotary part comprises a bottom plate, a rotary table is rotatably arranged on the bottom plate, rotary power is arranged on the side face of the rotary table, the rotary power is connected with the rotary table to drive the rotary table to rotate, and four tool assemblies are uniformly distributed on the rotary table; the riveting force detection sensor is positioned at the bottom of the turntable, and the upper surface of the riveting force detection sensor and the bottom of the tool assembly are mutually supported; the tool assembly comprises a base plate, a workpiece left positioning block and a workpiece right positioning block are arranged on the upper surface of the base plate, the workpiece left positioning block and the workpiece right positioning block are arranged in parallel, a workpiece positioning cambered surface is arranged on the upper surface of one side, close to the workpiece left positioning block, of the workpiece right positioning block, tool mounting holes are respectively formed in two sides of the base plate, workpiece positioning pins are respectively fixedly arranged on two side surfaces of the workpiece right positioning block, and riveting supporting protrusions are arranged at the top ends of the workpiece positioning pins;
the grabbing and unloading component comprises a front support frame and a middle support frame, wherein a belt support is fixedly arranged on the front support frame and the middle support frame, a front support roller is arranged at the upper end of the front support frame, a rear support roller is arranged at the tail end of the belt support, a transmission belt is rotatably arranged between the front support roller and the rear support roller, a belt motor is further arranged at the tail end of the belt support, the output end of the belt motor is connected with one end of the rear support roller, an upper support is arranged between the front support frame and the middle support frame and positioned on the belt support, a horizontal telescopic cylinder is fixedly arranged on the upper support, a vertical movement cylinder is fixedly arranged at the output end of the horizontal telescopic cylinder, a pneumatic gripper is fixedly arranged on the vertical movement cylinder, and a clamping jaw is arranged at the front end of the pneumatic gripper;
the inclination angle of the riveting head unit and the vertical line is 4 +/-0.5 degrees; and a twisting buffer port is arranged on the outer side of the joint of the supporting and positioning shaft and the pressing plate.
2. The automatic parts assembling apparatus according to claim 1, wherein: the riveting head unit that riveting head main part lower extreme was equipped with is two.
3. The automatic parts assembling apparatus according to claim 1, wherein: the upright post is connected with the riveting power component in a sliding manner.
4. The automatic parts assembling apparatus according to claim 1, wherein: the side of carousel is equipped with positioning groove, and the fixed support that is equipped with of opposite side on the bottom plate is equipped with the location cylinder on the support, and the front end of location cylinder is equipped with the location arch, and the location arch can coordinate the location with positioning groove.
5. The automatic parts assembling apparatus according to claim 4, wherein: the positioning protrusion and the positioning groove are V-shaped, and the included angle of the V shape is 40-60 degrees.
6. The automatic parts assembling apparatus according to claim 1, wherein: the middle of the base plate is provided with a mounting positioning pin at the bottom of the workpiece positioning cambered surface, a pressure guide pillar penetrates through the mounting positioning pin, the upper end of the pressure guide pillar is provided with a pressure adjusting screw, the pressure adjusting screw is in threaded connection with the pressure guide pillar, and the upper surface of the pressure adjusting screw supports a right workpiece positioning block.
7. The automatic parts assembling apparatus according to claim 1, wherein: the positions of the workpiece left positioning block and the workpiece right positioning block and the upper surface of the base plate can be adjusted and locked.
8. The automatic parts assembling apparatus according to claim 1, wherein: riveting workpieces are placed on the workpiece left positioning block and the workpiece right positioning block, each riveting workpiece comprises a special-shaped part and a workpiece shaft, a workpiece arc surface is arranged on one side of each special-shaped part, a gear part and a fixing part are respectively arranged on two sides of each workpiece shaft, the gear part and the fixing part are sleeved on the workpiece shafts, the fixing parts are fixedly connected with the workpiece shafts, riveting bulges are respectively arranged on the gear part and the fixing parts, and the riveting bulges penetrate through riveting holes in the special-shaped parts; the riveting device is characterized in that a workpiece positioning hole is correspondingly formed in the back of the riveting bulge, the workpiece positioning hole is sleeved on the workpiece positioning pin, the workpiece cambered surface is placed on the workpiece positioning cambered surface, and the riveting workpiece is positioned and fixed with the workpiece positioning pin through the two workpiece positioning holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110273509.3A CN112828562B (en) | 2021-03-15 | 2021-03-15 | Automatic assembly device for parts |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110273509.3A CN112828562B (en) | 2021-03-15 | 2021-03-15 | Automatic assembly device for parts |
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| CN112828562A CN112828562A (en) | 2021-05-25 |
| CN112828562B true CN112828562B (en) | 2022-01-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113732669B (en) * | 2021-10-05 | 2022-11-04 | 广东富强科技股份有限公司 | Automobile front guard plate processing assembly |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0111265D0 (en) * | 2001-05-05 | 2001-06-27 | Henrob Ltd | Fastener insertion apparatus and method |
| CN100584480C (en) * | 2008-10-29 | 2010-01-27 | 济南易恒技术有限公司 | Hub unit radial digital control rotary riveting equipment |
| CN202087885U (en) * | 2011-04-29 | 2011-12-28 | 仙桃祥泰汽车零部件有限公司 | Numerically controlled arc face-milling fixture of brake caliper body |
| CN103317035A (en) * | 2013-06-25 | 2013-09-25 | 贵州贵航汽车零部件股份有限公司 | Riveting joint with elastic press block |
| CN107738861A (en) * | 2017-09-30 | 2018-02-27 | 惠州市攸特电子有限公司 | A kind of wave filter drawing force detection system |
| CN211679671U (en) * | 2020-02-27 | 2020-10-16 | 威海联创工业自动化科技股份有限公司 | Automatic blade riveting device |
| CN112475066A (en) * | 2020-12-05 | 2021-03-12 | 上海横岩智能设备有限公司 | Full-automatic rivet pressing robot |
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