CN116944405A - Automatic riveting machine - Google Patents
Automatic riveting machine Download PDFInfo
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- CN116944405A CN116944405A CN202310991101.9A CN202310991101A CN116944405A CN 116944405 A CN116944405 A CN 116944405A CN 202310991101 A CN202310991101 A CN 202310991101A CN 116944405 A CN116944405 A CN 116944405A
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- riveting
- rod
- sliding
- assembly
- riveting machine
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- 230000007246 mechanism Effects 0.000 claims abstract description 105
- 230000005540 biological transmission Effects 0.000 claims abstract description 34
- 230000001788 irregular Effects 0.000 claims description 5
- 238000003756 stirring Methods 0.000 description 37
- 230000000694 effects Effects 0.000 description 9
- 230000033001 locomotion Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
- B21J15/30—Particular elements, e.g. supports; Suspension equipment specially adapted for portable riveters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/38—Accessories for use in connection with riveting, e.g. pliers for upsetting; Hand tools for riveting
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/04—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
- H01H11/06—Fixing of contacts to carrier ; Fixing of contacts to insulating carrier
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Reciprocating Conveyors (AREA)
Abstract
The invention relates to an automatic riveting machine, which belongs to the technical field of riveting machines and comprises a riveting mechanism, a conveying mechanism and a driving mechanism for synchronously controlling the two mechanisms, wherein the driving mechanism comprises a driving wheel, a lever assembly and a transmission assembly, two ends of the lever assembly are respectively hinged with the driving wheel and the riveting mechanism, the driving wheel enables the conveying mechanism to operate in a stepping manner through the transmission assembly, workpieces to be riveted are automatically arranged in a row in a blanking barrel through being placed in the blanking barrel, when the workpieces fall onto the conveying mechanism through an electromagnetic valve, the driving mechanism moves, the driving mechanism drives the riveting mechanism to move towards a position close to the conveying mechanism, the riveting mechanism rivets a first workpiece, the driving mechanism continues to move towards a position far away from the conveying mechanism, and the problems that the alignment position of the workpieces to be riveted and the riveting rod is deviated and the riveting rod is influenced by controlling a motor and the riveting rod through a control system are solved.
Description
Technical Field
The invention belongs to the technical field of riveting machines, and particularly relates to an automatic riveting machine.
Background
In an electronic component, a contact is of a common structure, silver points are fixed on a contact sheet in a riveting mode through a riveting machine, and the silver points are small in size, in the conventional contact processing, the contact is generally manually finished, namely, the contact is manually placed into a hole of the contact sheet and then is fixedly connected with the contact sheet through mechanical punching, and the processing mode has the defects of inconvenience in processing, low operation efficiency, difficulty in controlling processing quality and the like, and is high in labor cost and not suitable for mass production because of being finished by combining a large amount of manual labor.
Therefore, full-automatic riveting machine has appeared on the market at present, but most all carry out automatic riveting to the work piece through control system control motor and riveting rod, but because the motor rotates at every turn and stops to have inertia, inertia can make and produce the friction between motor and the conveying structure, after long-term friction, the position that will wait to rivet the work piece appears deviating with riveting rod alignment, influence the riveting effect, to this, provide an automatic riveting machine, adopt pure mechanical structure to realize that riveted work piece and riveting rod are aligned, realize automatic riveting, can also avoid motor pivoted inertia and friction to influence the riveting effect well when long-time use.
In view of this, the present invention has been made.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an automatic riveting machine, which solves the problems that the conventional riveting machine generates friction between a motor and a conveying structure due to inertia caused by each rotation and stop of the motor, and the alignment positions of a workpiece to be riveted and a riveting rod are deviated after long-term friction, so that the riveting effect is affected.
The aim of the invention can be achieved by the following technical scheme: an automatic riveting machine comprises a riveting mechanism, a conveying mechanism and a driving mechanism for synchronously controlling the two mechanisms; the driving mechanism comprises a driving wheel, a lever assembly and a transmission assembly, two ends of the lever assembly are respectively hinged with the driving wheel and the riveting mechanism, and the driving wheel enables the conveying mechanism to run step by step through the transmission assembly.
As a further scheme of the invention, the conveying mechanism comprises an annular conveying belt supported by two rotating wheels, a sliding assembly and a poking assembly, wherein the sliding assembly is parallel to the top layer of the annular conveying belt, a plurality of poking grooves are formed in the annular conveying belt, and the poking assembly is arranged on the sliding assembly and matched with any poking groove to drive the annular conveying belt; the sliding component is connected with the transmission component.
As a further scheme of the invention, a plurality of poking grooves are distributed in an equidistant straight line.
As a further scheme of the invention, the sliding component comprises a sliding rail and a sliding block arranged on the sliding rail in a sliding way, the stirring component is arranged on the sliding block, and the transmission component drives the sliding block to reciprocate on the sliding rail.
As a further scheme of the invention, the transmission assembly comprises a chain wheel, a chain, a rocker and a transmission rod, wherein the chain wheel is connected on a machine body of the riveting machine in a transmission way through the chain, the rocker is fixedly connected with the axle center of the chain wheel, one end of the transmission rod is hinged with the rocker, and the other end of the transmission rod is hinged with the sliding block.
As a further scheme of the invention, the lever assembly comprises a shaft sleeve, two force arm rods and a sliding rod, wherein the shaft sleeve is rotatably and axially connected to a machine body of the riveting machine, one ends of the two force arm rods are symmetrically arranged on the outer wall of the shaft sleeve, the other end of one force arm rod is hinged with the riveting mechanism, and the other end of the other force arm rod is in sliding connection with the driving wheel through the sliding rod.
As a further scheme of the invention, the driving wheel is provided with a sliding groove, a part of the sliding groove is of an irregular arc-shaped structure, and the sliding rod slides in the sliding groove.
As a further scheme of the invention, the riveting mechanism comprises a riveting rod and a limiting plate, the limiting plate is fixed on a machine body of the riveting point machine, a limiting hole is formed in the limiting plate, the riveting rod is arranged through the limiting hole in a sliding mode and perpendicular to the annular conveying belt, and the top end of the riveting rod is connected with the lever assembly through a hinging rod.
As a further scheme of the invention, the toggle assembly comprises a toggle rod and a torsion spring, wherein the toggle rod is arranged on the sliding block through the torsion spring, and the toggle rod is matched with any toggle groove.
As a further scheme of the invention, a plurality of workpiece placing grooves are equidistantly arranged on the annular conveying belt at one side of the plurality of poking grooves, and the positions of the plurality of poking grooves and the plurality of workpiece placing grooves are in one-to-one correspondence.
The beneficial effects of the invention are as follows:
through placing the work piece of waiting to rivet the point in the feed cylinder, the work piece can arrange into the row in the feed cylinder voluntarily, when the work piece falls to conveying mechanism through the solenoid valve, this moment actuating mechanism moves, actuating mechanism has driven riveting mechanism to the position motion that is close to conveying mechanism this moment, riveting mechanism rivets the point with first work piece, then actuating mechanism continues to move, actuating mechanism has driven riveting mechanism to the position motion that keeps away from conveying mechanism this moment, accomplish a riveting process, next, carry out the continuous riveting in the same mode, and the work piece after the riveting, step operation at conveying mechanism advances, when moving to receiving feed cylinder department, under the gravity effect of work piece, automatically fall to receiving in the feed cylinder, mechanical stepping automatic riveting here has been adopted, the problem that the automatic riveting of work piece is carried out to control motor and riveting rod through control system, every turn and stop of motor have inertia, inertia can make friction between motor and the conveying structure, after the permanent friction, the work piece that waits to rivet appears and the riveting rod aligns the position appears, influence the point effect appears.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a cross-sectional view of the overall structure provided in one embodiment of the invention;
FIG. 2 is a schematic diagram of a driving mechanism according to an embodiment of the present invention;
FIG. 3 is a schematic view of a conveying mechanism according to an embodiment of the present invention;
FIG. 4 is a schematic view of a sliding assembly according to an embodiment of the present invention;
FIG. 5 is a schematic view of a transmission assembly according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of the workpiece placement groove position provided in an embodiment of the invention.
Description of main reference numerals:
in the figure: 1. a riveting mechanism; 11. riveting a connecting rod; 12. a limiting plate; 13. a hinge rod; 2. a conveying mechanism; 21. an endless conveyor belt; 211. a toggle groove; 212. a workpiece placement groove; 22. a sliding assembly; 221. a slide rail; 222. a slide block; 23. the assembly is stirred; 231. a toggle rod; 3. a driving mechanism; 31. a driving wheel; 32. a lever assembly; 321. a shaft sleeve; 322. a force arm lever; 33. a transmission assembly; 331. a sprocket; 332. a chain; 333. a rocker; 334. a transmission rod.
Detailed Description
In order to further describe the technical means and effects adopted by the invention for achieving the preset aim, the following detailed description is given below of the specific implementation, structure, characteristics and effects according to the invention with reference to the attached drawings and the preferred embodiment.
Referring to fig. 1-6, the present invention provides an automatic riveting machine, including a riveting mechanism 1, a conveying mechanism 2 and a driving mechanism 3 for synchronously controlling the two mechanisms, the driving mechanism 3 includes a driving wheel 31, a lever assembly 32 and a transmission assembly 33, two ends of the lever assembly 32 are respectively hinged with the driving wheel 31 and the riveting mechanism 1, the lever assembly 32 can make the riveting mechanism 1 rivet a workpiece to be riveted, the driving wheel 31 makes the conveying mechanism 2 step by step through the transmission assembly 33, a blanking barrel is installed above one end of the conveying mechanism 2, a workpiece with an unbent rivet point is placed in the blanking barrel, the blanking barrel can be connected with a control system, the workpieces can be uniformly blanked in an orderly arrangement by arranging the blanking barrels, the technology is realized by the prior common technology, the workpieces can be dropped one by an electromagnetic valve, the electromagnetic valve is designed according to the time difference of dropping of the next workpiece after the previous workpiece moves forward, the time difference is determined, thus the conveying mechanism can be designed, a workpiece receiving barrel is placed below the other end of the conveying mechanism 2, the workpiece is placed in the blanking barrel, the blanking barrel is in a random manner, and the workpiece is automatically connected to the blanking barrel when the workpiece is in the blanking barrel, and the workpiece is well-received, and the workpiece is automatically dropped to the blanking barrel.
The riveting machine is widely applied to the fixation of electronic components, contacts are of a common structure, silver points are generally fixed on contact plates in a riveting mode through the riveting machine, the silver points are mainly riveted on terminals of accessories through the riveting machine, the riveting machine can be applied to various industries such as machinery, electronics and hardware, the electronic components are generally small, the electronic components are generally finished through a manual riveting machine or a semi-automatic riveting machine, the electronic components are also partially finished through a full-automatic riveting machine, most of the full-automatic riveting machines at present automatically rivet workpieces through a control system by controlling a motor and a riveting rod 11, friction is generated between the motor and a conveying structure due to inertia caused by each rotation and stop of the motor, and after long friction, deviation of alignment positions of the workpieces to be riveted and the riveting rod 11 occurs, so that the riveting effect is affected.
In order to solve the problems of the current full-automatic riveting machine, in the embodiment, when automatic riveting is carried out, workpieces to be riveted are placed in a blanking barrel, the workpieces are automatically arranged in a row in the blanking barrel, when the first workpiece falls onto a conveying mechanism 2 through an electromagnetic valve, a driving mechanism 3 moves, the driving mechanism 3 drives a riveting mechanism 1 to move towards a position close to the conveying mechanism 2, but at the moment, the conveying mechanism 2 does not move, the driving mechanism 3 continues to move, the driving mechanism 3 drives the riveting mechanism 1 to move towards a position far from the conveying mechanism 2, the driving mechanism 3 drives the conveying mechanism 2 to move, during the process, the riveting mechanism 1 does not rivet the workpieces on the conveying mechanism 2, when the riveting mechanism 1 moves to an initial position, a second workpiece falls onto the conveying mechanism 2 through the electromagnetic valve, the third workpiece is taken as a reference point, when the third workpiece falls according to the falling modes of the first workpiece and the second workpiece, the driving mechanism 3 drives the riveting mechanism 1 to move towards the position close to the conveying mechanism 2 until the riveting mechanism 1 rivets the first workpiece, then the driving mechanism 3 continues to move, the driving mechanism 3 drives the riveting mechanism 1 to move towards the position far away from the conveying mechanism 2, the riveting process is finished once, next, continuous riveting is carried out in the same way, workpieces after riveting automatically fall into the receiving cylinder under the action of the gravity of the workpieces when the workpieces move to the receiving cylinder, the automatic riveting of the workpieces by adopting the mechanical stepping can be solved by controlling the motor and the riveting rod 11 through the control system, each rotation and stop of the motor has inertia, the inertia can cause friction between the motor and the conveying structure, and after long-term friction, the problem that the alignment position of the workpiece to be riveted and the riveting rod 11 deviates and the riveting point effect is affected can occur.
In order to better convey the workpiece to the lower part of the riveting mechanism 1 and convey the workpiece after the riveting point away, in one embodiment, the conveying mechanism 2 comprises an annular conveying belt 21 supported by two rotating wheels, a sliding component 22 and a poking component 23, the sliding component 22 is parallel to the top layer of the annular conveying belt 21, a plurality of poking grooves 211 are formed in the annular conveying belt 21, the poking component 23 is arranged on the sliding component 22 and matched with any poking groove 211 to drive the annular conveying belt 21, the poking grooves 211 are distributed in an equidistant straight line mode, the sliding component 22 is connected with the transmission component 33, the purpose of equidistant distribution of the poking grooves 211 is to ensure that the time difference from the riveting of the riveting mechanism 1 to the riveting of the workpiece after the riveting mechanism 1 is just the time difference of one-time lifting of the riveting mechanism 1, the matching between all components is better, and the automatic conveying of the workpiece to the lower part of the riveting mechanism 1 and the workpiece after the riveting point is conveyed away are realized.
In order to make the stirring assembly 23 stir the annular conveying belt 21 to realize the stepping motion of the annular conveying belt 21, in an embodiment, the sliding assembly 22 comprises a sliding rail 221 and a sliding block 222 slidably arranged on the sliding rail 221, through cooperation between the sliding rail 221 and the sliding block 222, the driving assembly 33 can drive the stirring assembly 23 to move more flexibly, the stirring assembly 23 is arranged on the sliding block 222, the driving assembly 33 drives the sliding block 222 to reciprocate on the sliding rail 221, when the driving assembly 33 moves, the sliding block 222 is firstly driven to move in one direction on the sliding rail 221, and meanwhile, when the driving assembly 33 moves, the driving assembly 33 drives the sliding block 222 to move in the opposite direction, and when the driving assembly 33 continues to move, the stirring assembly 23 is attached to the annular conveying belt 21, but the driving assembly 33 does not push the annular conveying belt 21 to move, so that one stepping motion of the annular conveying belt 21 is realized.
To make the slider 222 reciprocate in the slide rail 221, in this embodiment, the transmission assembly 33 includes a sprocket 331, a chain 332, a rocker 333 and a transmission rod 334, where the sprocket 331 is pivotally connected to the body of the riveting machine and is in transmission connection with the driving wheel 31 through the chain 332, another sprocket 331 is installed on a coaxial side of the driving wheel 31, and another sprocket 331 is installed on a coaxial side of the sprocket 331 and the driving wheel 31, and is driven by the chain 332, the shaft on the driving wheel 31 is driven by a motor, the rocker 333 is fixedly connected with the axle center of the sprocket 331, one end of the transmission rod 334 is hinged with the rocker 333, the other end of the transmission rod 334 is hinged with the slider 222, where the rocker 333 is a telescopic rod, the length of the telescopic rod can be adjusted as required, and the longer the length of the telescopic rod can make the distance of the slider 222 reciprocate in the slide rail 221 be greater, that is the farther the distance the stirring assembly 23 stirs the annular conveyer belt 21, when the motor rotates, the driving wheel 31 drives the driving wheel 31 to move the driving wheel 32, and the lever assembly 32 drives the riveting mechanism 1 to lift.
In order to make the riveting mechanism 1 better lift, in an embodiment, the lever assembly 32 includes a shaft sleeve 321 and two arm levers 322, the shaft sleeve 321 is rotatably connected on the body of the riveting machine in a shaft way, one ends of the two arm levers 322 are all arranged on the outer wall of the shaft sleeve 321, the other end of one arm lever 322 is hinged with the riveting mechanism 1, the other end of the other arm lever 322 is in sliding connection with the driving wheel 31 through a sliding rod, when the driving wheel 31 rotates, the sliding rod moves, the sliding rod drives the arm lever 322 connected with the sliding rod to move, the arm lever 322 drives the shaft sleeve 321 to rotate, the shaft sleeve 321 drives the arm lever 322 hinged with the riveting mechanism 1 to move, and the arm lever 322 hinged with the riveting mechanism 1 drives the riveting mechanism 1 to lift.
In order to control the lifting height of the riveting mechanism 1 so that the riveting mechanism 1 just can rivet a workpiece on the conveying mechanism 2, in one embodiment, a sliding groove is formed on the driving wheel 31, a part of the sliding groove is of an irregular arc-shaped structure, the sliding rod slides in the sliding groove, the irregular arc-shaped structure on the sliding groove determines the lifting height of the riveting mechanism 1, in order to make the lifting height of the riveting mechanism 1 relatively higher, the driving wheel 31 needs to be a large wheel, and the irregular arc-shaped structure on the sliding groove occupies a large proportion of the whole sliding groove.
In order to enable a workpiece on the annular conveying belt to be riveted better, in an embodiment, the riveting mechanism 1 comprises a riveting rod 11 and a limiting plate 12, the limiting plate 12 is fixed on a machine body of the riveting machine, a limiting hole is formed in the limiting plate 12, the riveting rod 11 slides through the limiting hole and is perpendicular to the annular conveying belt 21, the limiting plate 12 can ensure that the riveting rod 11 can keep a vertical state all the time when the workpiece is riveted, the top end of the riveting rod 11 is connected with a lever assembly 32 through a hinging rod 13, the top end of the riveting rod 11 is hinged with a moment arm rod 322, when the moment arm rod 322 hinged with the riveting rod 11 ascends, the riveting rod 11 is driven to slide upwards along the limiting plate 12, when the moment arm rod 322 hinged with the riveting rod 11 descends, the riveting rod 11 is driven to slide downwards along the limiting plate 12, a point on the workpiece is achieved, the riveting rod 11 descends from the highest point to the lowest point, and then ascends from the lowest point to the highest point, the driving wheel 31 just rotates, and the riveting rod 11 just rivets the workpiece once.
In order to enable the endless conveyor belt to move in a stepping manner, in an embodiment, the stirring assembly 23 comprises a stirring rod 231 and a torsion spring, the stirring rod 231 is arranged on the sliding block 222 through the torsion spring, the stirring rod 231 is matched with any stirring groove 211, the torsion spring is used for enabling the stirring rod 231 to reset after stirring the endless conveyor belt 21 each time, when the chain wheel 331 rotates, the sliding block 222 is driven to slide, at the moment, the sliding block 222 drives the stirring rod 231 to push the endless conveyor belt 21 to slide forwards through the stirring groove 211, when the sliding block 222 slides reversely, the stirring rod 231 is gradually separated from the stirring groove 211, at the moment, the endless conveyor belt 21 does not move any more, after the stirring rod 231 is separated from the stirring groove 211, the stirring rod 231 is attached to the endless conveyor belt, and when the sliding block 222 slides reversely to a maximum distance, at the moment, the stirring rod 231 is clamped into the stirring groove 211 again under the action of the torsion spring, and one-step movement of the endless conveyor belt 21 is achieved.
In order to make the next workpiece to be riveted just reach the position below the riveting rod 11 once again when the annular conveying belt is stirred for conveying the riveted workpiece away, for this purpose, in an embodiment, a plurality of workpiece placing grooves 212 are equidistantly formed on the annular conveying belt 21 on one side of the plurality of stirring grooves 211, the positions of the plurality of stirring grooves 211 and the plurality of workpiece placing grooves 212 are in one-to-one correspondence, the stirring grooves 211 are on the inner side of the annular conveying belt 21, the workpiece placing grooves 212 are arranged on the outer side of the annular conveying belt 21, the stirring grooves 211 and the workpiece placing grooves 212 are positioned on the same position, the stirring grooves 211 and the workpiece placing grooves 212 are not communicated, the plurality of workpiece placing grooves 212 are matched with the workpiece, so that the workpiece can be guaranteed to be just placed in, but the workpiece is not contacted with the workpiece placing grooves 212, namely the workpiece can not be clamped in the workpiece placing grooves 212, the workpiece after the riveting point is guaranteed to be conveyed to the workpiece receiving cylinder under the action of the annular conveying belt 21, when the workpiece passes through the corner of the annular conveying belt 21, the workpiece is pushed outwards from the workpiece placing grooves 212, the workpiece placing grooves 212 are arranged on the outer side of the corner, and the workpiece placing cylinder can be guaranteed to be just placed in the workpiece receiving cylinder.
The working principle and the using flow of the invention are as follows:
when the riveting machine is used, workpieces at points to be riveted are placed in a blanking barrel, the workpieces are automatically arranged in a row in the blanking barrel, when the first workpiece falls onto a conveying mechanism 2 through an electromagnetic valve, a motor drives a driving wheel 31 to move, the driving wheel 31 is brought to a sliding rod to move, the sliding rod drives a force arm rod 322 connected with the sliding rod to move, the force arm rod 322 drives a shaft sleeve 321 to rotate, the shaft sleeve 321 drives the force arm rod 322 hinged with a riveting rod 11 to move, the force arm rod 322 hinged with the riveting rod 11 drives the riveting rod 11 to lift along a limiting plate 12, and when the first workpiece to be riveted falls onto an annular conveying belt 21, the riveting rod 11 is not aligned with the workpieces, and when the first workpiece to be riveted falls into the annular conveying belt 21, the riveting rod 11 is just in a few times in the workpiece placing groove 212, but the position opposite to the riveting rod 11 is provided with a small through hole, so that the workpieces can be conveyed to be aligned with the riveting rod 11 after the annular conveying belt 21 is conveyed several times, namely, when a third workpiece is used as a reference, and the third workpiece is just right above the first workpiece is just under the annular conveying belt 11;
in the above process, when the driving wheel 31 rotates, the sprocket 331 mounted on the coaxial side is driven to rotate, the sprocket 331 is driven to rotate by the chain 332, the rocker 333 is driven to rotate, the rocker 333 drives the transmission rod 334 to move, the transmission rod 334 drives the sliding block 222 to slide along the sliding rail 221 in one direction, meanwhile, the sliding block 222 drives the stirring rod 231 to push the annular conveying belt 21 to slide forward through the stirring groove 211, the driving wheel 31 continues to rotate, when the sliding block 222 slides along the sliding rail 221 to the farthest position, the sliding block 222 starts to slide reversely under the action of the rocker 333 and the transmission rod 334, the stirring rod 231 gradually breaks away from the stirring groove 211, the annular conveying belt 21 is not moved any more, the stirring rod 231 is attached to the annular conveying belt after breaking away from the stirring groove 211, and when the sliding block 222 slides reversely to the maximum distance, the stirring rod 231 is blocked into the stirring groove 211 again just under the action of the torsion spring, so that the stepping movement of the annular conveying belt 21 is realized, and the point riveting of a workpiece is completed repeatedly;
the workpiece after the riveting point is conveyed to the receiving cylinder under the action of the annular conveying belt 21, when the workpiece passes through the corner of the annular conveying belt 21, the annular conveying belt 21 can push the workpiece outwards from the workpiece placing groove 212, and the workpiece can just fall into the receiving cylinder under the action of gravity of the workpiece, so that the whole working process is completed through the mechanical structure.
The present invention is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present invention.
Claims (10)
1. An automatic riveting machine is characterized by comprising a riveting mechanism, a conveying mechanism and a driving mechanism for synchronously controlling the two mechanisms; the driving mechanism comprises a driving wheel, a lever assembly and a transmission assembly, two ends of the lever assembly are respectively hinged with the driving wheel and the riveting mechanism, and the driving wheel enables the conveying mechanism to run step by step through the transmission assembly.
2. The automatic riveting machine according to claim 1, wherein the conveying mechanism comprises an annular conveying belt supported by two rotating wheels, a sliding assembly and a poking assembly, the sliding assembly is parallel to the top layer of the annular conveying belt, a plurality of poking grooves are formed in the annular conveying belt, and the poking assembly is arranged on the sliding assembly and matched with any poking groove to drive the annular conveying belt; the sliding component is connected with the transmission component.
3. The automatic spot riveting machine of claim 2 wherein the plurality of toggle slots are arranged in a straight line at equal intervals.
4. The automatic riveting machine according to claim 2, wherein the sliding assembly comprises a sliding rail and a sliding block arranged on the sliding rail in a sliding manner, the poking assembly is arranged on the sliding block, and the transmission assembly drives the sliding block to reciprocate on the sliding rail.
5. The automatic riveting machine according to claim 2, wherein the transmission assembly comprises a sprocket, a chain, a rocker and a transmission rod, the sprocket is connected to the machine body of the riveting machine in a transmission manner through the chain, the rocker is fixedly connected with the axle center of the sprocket, one end of the transmission rod is hinged with the rocker, and the other end of the transmission rod is hinged with the sliding block.
6. The automatic riveting machine according to claim 5, wherein the lever assembly comprises a shaft sleeve, two force arm rods and a sliding rod, the shaft sleeve is rotatably and axially connected to the machine body of the riveting machine, one ends of the two force arm rods are symmetrically arranged on the outer wall of the shaft sleeve, the other end of one force arm rod is hinged with the riveting mechanism, and the other end of the other force arm rod is in sliding connection with the driving wheel through the sliding rod.
7. The automatic riveting machine according to claim 6, wherein the driving wheel is provided with a chute, a part of the chute is of an irregular arc-shaped structure, and the sliding rod slides in the chute.
8. The automatic riveting machine according to claim 2, wherein the riveting mechanism comprises a riveting rod and a limiting plate, the limiting plate is fixed on a machine body of the riveting machine, a limiting hole is formed in the limiting plate, the riveting rod slides through the limiting hole and is perpendicular to the annular conveying belt, and the top end of the riveting rod is connected with the lever assembly through the hinging rod.
9. The automatic spot riveting machine according to claim 2, wherein the toggle assembly comprises a toggle bar and a torsion spring, the toggle bar is arranged on the sliding block through the torsion spring, and the toggle bar is matched with any toggle groove.
10. The automatic riveting machine according to claim 2, wherein the annular conveying belt on one side of the plurality of poking grooves is provided with a plurality of workpiece placing grooves at equal intervals, and the positions of the plurality of poking grooves and the plurality of workpiece placing grooves are in one-to-one correspondence.
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CN202310991101.9A CN116944405B (en) | 2023-08-08 | 2023-08-08 | Automatic riveting machine |
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CN202310991101.9A CN116944405B (en) | 2023-08-08 | 2023-08-08 | Automatic riveting machine |
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CN116944405B CN116944405B (en) | 2024-02-02 |
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CN201222430Y (en) * | 2008-06-27 | 2009-04-15 | 中国船舶重工集团公司第七○四研究所 | Silver point riveter |
CN105772586A (en) * | 2016-04-12 | 2016-07-20 | 常州市领协智能装备有限公司 | Squeeze riveter capable of automatically feeding |
CN106925713A (en) * | 2017-05-09 | 2017-07-07 | 苏州宝成汽车冲压有限公司 | A kind of mistake proofing of riveting automatic detection and mechanical lever type automatic material separator mechanism |
CN208408444U (en) * | 2018-07-16 | 2019-01-22 | 汤达 | The transmission device with positioning function for button lock seaming machine |
CN109513869A (en) * | 2018-09-29 | 2019-03-26 | 慈溪市龙山汽配有限公司 | A kind of automatic riveted-joint apparatus |
CN110538962A (en) * | 2018-04-05 | 2019-12-06 | 施丝 | Working method of aluminum strip riveting machining mechanism |
CN210208503U (en) * | 2019-07-26 | 2020-03-31 | 曲靖凯茂工贸有限公司 | Hydraulic riveting device for large-sized workpiece |
CN111776668A (en) * | 2020-07-10 | 2020-10-16 | 芜湖凯德机械制造有限公司 | Toggle type synchronizer conveying feeding device |
CN212760947U (en) * | 2020-06-29 | 2021-03-23 | 五华联基电子有限公司 | Riveting machine |
CN216376456U (en) * | 2021-11-30 | 2022-04-26 | 乐清市英华电子有限公司 | Feeding mechanism of electric connector assembling machine |
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2023
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CN201183105Y (en) * | 2008-04-28 | 2009-01-21 | 卢有根 | Riveting machine |
CN201222430Y (en) * | 2008-06-27 | 2009-04-15 | 中国船舶重工集团公司第七○四研究所 | Silver point riveter |
CN101345147A (en) * | 2008-08-07 | 2009-01-14 | 方安林 | Automatic silver point riveting machine |
CN105772586A (en) * | 2016-04-12 | 2016-07-20 | 常州市领协智能装备有限公司 | Squeeze riveter capable of automatically feeding |
CN106925713A (en) * | 2017-05-09 | 2017-07-07 | 苏州宝成汽车冲压有限公司 | A kind of mistake proofing of riveting automatic detection and mechanical lever type automatic material separator mechanism |
CN110538962A (en) * | 2018-04-05 | 2019-12-06 | 施丝 | Working method of aluminum strip riveting machining mechanism |
CN208408444U (en) * | 2018-07-16 | 2019-01-22 | 汤达 | The transmission device with positioning function for button lock seaming machine |
CN109513869A (en) * | 2018-09-29 | 2019-03-26 | 慈溪市龙山汽配有限公司 | A kind of automatic riveted-joint apparatus |
CN210208503U (en) * | 2019-07-26 | 2020-03-31 | 曲靖凯茂工贸有限公司 | Hydraulic riveting device for large-sized workpiece |
CN212760947U (en) * | 2020-06-29 | 2021-03-23 | 五华联基电子有限公司 | Riveting machine |
CN111776668A (en) * | 2020-07-10 | 2020-10-16 | 芜湖凯德机械制造有限公司 | Toggle type synchronizer conveying feeding device |
CN216376456U (en) * | 2021-11-30 | 2022-04-26 | 乐清市英华电子有限公司 | Feeding mechanism of electric connector assembling machine |
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