Disclosure of utility model
The utility model aims to provide a rotary disc type automatic riveting machine so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme that the rotary disc type automatic riveting machine comprises:
The workbench is a box body with a disc arranged at the top;
The rotary ring is rotatably arranged on the outer side of the disc at the top of the workbench, and a driving part for driving the rotary ring to rotate at a fixed angle is arranged in the workbench;
The combined jig is equidistantly arranged at the top of the rotating ring and comprises a fixed block fixedly connected at the top of the rotating ring and a moving block slidably arranged at the end part of the fixed block, and a double-shaft cylinder I is fixedly connected at the top of the workbench and is used for driving a workpiece at the top of the fixed block to vertically combine with a workpiece of the moving block correspondingly;
The material taking mechanism is arranged at the top of the workbench and comprises a pneumatic chuck for clamping materials and a moving part for driving the pneumatic chuck to lift and transversely move;
The servo electric cylinder is arranged at the top of the workbench, and the output end of the servo electric cylinder is fixedly connected with a rivet pressing head.
Preferably, the driving part comprises a servo motor and a spur gear set, wherein the servo motor is fixedly connected inside the workbench, the spur gear set comprises a gear ring fixedly connected with a rotating ring, a pinion is connected to the outer side of the gear ring in a meshed mode, and the pinion is fixedly connected with the output end of the servo motor.
Preferably, the top of the fixed block is provided with a positioning groove for installing a workpiece, the inside of the fixed block is slidably connected with a sliding rod, one end of the sliding rod is fixedly connected with the moving block, the top of the moving block is fixedly connected with a positioning column, and when the fixed block is combined with the moving block, the positioning column corresponds to the positioning groove.
Preferably, the material taking mechanism comprises a feeding part III, a feeding part II, a feeding part I and a discharging part which are arranged in sequence anticlockwise, the feeding part III is positioned on one side close to the double-shaft cylinder I, a material conveying groove connected with a vibration disc is arranged below the feeding part III, the feeding part II and the feeding part I, and a material guiding groove used for receiving materials is arranged below the discharging part.
Preferably, the third feeding part, the second feeding part, the first feeding part and the second discharging part comprise a second bracket fixedly connected with the workbench, the outer side of the second bracket is vertically and slidably connected with a lifting seat, the top of the second bracket is fixedly connected with a third cylinder for driving the lifting seat to lift, the outer side of the lifting seat is slidably connected with a pneumatic chuck, and one end of the lifting seat is fixedly connected with a second cylinder for driving the pneumatic chuck to slide.
Preferably, the servo electric cylinder is located at one side close to the blanking part, a first bracket is arranged at one side of the servo electric cylinder and fixedly connected with the workbench, a pre-tightening pressure head is vertically and slidably connected to the outer side of the first bracket, and a first cylinder for driving the pre-tightening pressure head to move is fixedly connected to the top of the first bracket.
Preferably, the top of the workbench disc is fixedly connected with a double-shaft air cylinder III corresponding to the position of the blanking part and used for driving the fixed block to be separated from the movable block, and the top of the workbench is fixedly connected with a double-shaft air cylinder II between the first feeding part and the blanking part and used for separating the fixed block from the movable block again.
Compared with the prior art, the rotary ring riveting machine has the beneficial effects that the feeding part is arranged to be matched with the rotation of the rotary ring, workpieces can be sequentially and orderly installed in the process of rotating the rotary ring, the fixed block and the movable block are matched to be combined in a sliding manner, the workpieces can be combined correspondingly, riveting combination can be realized conveniently, a plurality of stations can be distributed around the workbench disc by the arrangement of the rotary ring, and continuous automatic production is convenient to realize.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is a top view of a second bracket of the present utility model;
FIG. 4 is a schematic view of the pneumatic chuck of the present utility model;
FIG. 5 is a schematic view of the servo cylinder of the present utility model;
FIG. 6 is a schematic diagram of a spur gear set of the present utility model;
FIG. 7 is a schematic view of the structure of the pre-load ram of the present utility model;
Fig. 8 is a schematic diagram of a moving block according to the present utility model.
In the figure, a workbench, a rotating ring, a direct gear set, a fixed block, a moving block, a sliding rod, a 7, a positioning groove, a 8, a positioning column, a 9, a servo electric cylinder, a 10, a rivet pressing head, a 11, a bracket I, a 12, a cylinder I, a 13, a pre-tightening pressure head, a 14, a bracket II, a 15, a cylinder II, a 16, a cylinder III, a 17, a lifting seat, a 18, a pneumatic chuck, a 19, a double-shaft cylinder I, a 20, a double-shaft cylinder II, a 21 and a double-shaft cylinder III are arranged.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, 2, 3, 4, 5, 6, 7 and 8, the utility model provides a technical scheme that the turntable type automatic riveting machine comprises a workbench 1, wherein the workbench 1 is a box body with a disc fixedly connected to the top, a rotating ring 2 is rotatably arranged on the outer side of the disc at the top of the workbench 1, a driving part for driving the rotating ring 2 to rotate at a fixed angle is arranged in the workbench 1, a combined jig is equidistantly arranged at the top of the rotating ring 2, the combined jig comprises a fixed block 4 fixedly connected to the top of the rotating ring 2 and a movable block 5 slidably arranged at the end of the fixed block 4, a double-shaft cylinder 19 is fixedly connected to the top of the workbench 1 and is used for driving a workpiece at the top of the fixed block 4 to vertically combine with a workpiece at the movable block 5, a material taking mechanism is arranged at the top of the workbench 1 and comprises a pneumatic chuck 18 for clamping materials and a moving part for driving the pneumatic chuck 18 to lift and transversely move, a servo cylinder 9 is fixedly connected to the top of the workbench 1, and the output end of the servo cylinder 9 is fixedly connected with a riveting head 10.
It should be noted that, in this embodiment, a PLC controller is provided, the controller controls the driving portion to drive the rotary ring 2 to rotate clockwise, in the rotating process, the material taking mechanism sequentially installs the components at the positions corresponding to the fixed block 4 and the movable block 5, when the combined jig moves to the position corresponding to the first double-shaft cylinder 19, under the action of the infrared sensor, the controller controls the first double-shaft cylinder 19 to push the movable block 5 to the end of the fixed block 4, so that the components on the movable block 5 are placed under the workpiece on the fixed block 4, the rotary ring 2 is placed under the servo cylinder 9 through rotation, the servo cylinder 9 drives the rivet pressing head 10 to rivet the workpiece downwards, after the riveting is completed, the rotary ring 2 rotates to the blanking position, the material taking mechanism is removed through the pneumatic chuck 18, the rotary ring 2 continues to rotate, and the corresponding material taking mechanism charges the workpiece again in sequence.
In one embodiment, the driving part comprises a servo motor fixedly connected inside the workbench 1 and a spur gear set 3, the spur gear set 3 comprises a gear ring fixedly connected with the rotary ring 2, a pinion is connected to the outer side of the gear ring in a meshed manner, and the pinion is fixedly connected with the output end of the servo motor.
It should be noted that, in this embodiment, the end portion of the servo motor is provided with an encoder, the encoder is electrically connected with the controller through a cable, the servo motor drives the gear ring to rotate through the pinion, the gear ring drives the rotating ring 2 to rotate, and the rotating ring 2 drives the combined jig to rotate, so that the combined jig, the corresponding up-down mechanism and the servo motor cylinder 9 are correspondingly processed.
In one embodiment, a positioning groove 7 for installing a workpiece is formed in the top of the fixed block 4, a sliding rod 6 is slidably connected in the fixed block 4, one end of the sliding rod 6 is fixedly connected with the moving block 5, a positioning column 8 is fixedly connected to the top of the moving block 5, and when the fixed block 4 is combined with the moving block 5, the positioning column 8 corresponds to the positioning groove 7 in position.
It should be noted that, in this embodiment, two protrusions are fixedly connected to one side of the moving block 5, the positioning column 8 is fixedly connected to the top of the protrusions, two sliding grooves matched with the protrusions are formed in the middle of the fixed block 4, the positioning groove 7 is located on one side of the sliding groove, accessories are placed on the outer side of the positioning column 8 through the material taking mechanism, then middle workpieces are sleeved on the workpieces on the outer side of the positioning column 8, then L-shaped workpieces to be pressed are placed in the positioning groove 7, the moving block 5 is driven to be attached to the fixed block 4 through the double-shaft cylinder 19, the sliding rod 6 slides in the fixed block 4, and the workpieces in the positioning groove 7 are located right above the workpieces of the positioning column 8, so that riveting processing is conveniently performed from top to bottom.
In one embodiment, the material taking mechanism comprises a feeding part III, a feeding part II, a feeding part I and a discharging part which are arranged in sequence anticlockwise, the feeding part III is located on one side close to the double-shaft cylinder I19, a material conveying groove connected with the vibration disc is arranged below the feeding part III, the feeding part II and the feeding part I, a proximity switch is arranged at the end part of the material conveying groove and used for detecting the position of the pneumatic chuck 18 and a workpiece, a material guiding groove used for receiving materials is arranged below the discharging part, the feeding part III, the feeding part II, the feeding part I and the discharging part II respectively comprise a support frame II 14 fixedly connected with the workbench 1, a lifting seat 17 is vertically and slidingly connected to the outer side of the support frame II 14, a cylinder III 16 for driving the lifting seat 17 to lift is fixedly connected to the top of the support frame II, a pneumatic chuck 18 is slidingly connected to the outer side of the lifting seat 17, and a cylinder II 15 for driving the pneumatic chuck 18 to slide is fixedly connected to one end of the lifting seat 17.
It should be noted that, in this embodiment, the rotary ring 2 rotates clockwise, during this period, the first feeding portion, the second feeding portion and the third feeding portion pick up materials from the corresponding material conveying slots and then install at the positions corresponding to the fixed blocks 4 and the moving blocks 5, during picking up, the second cylinder 15 drives the pneumatic chuck 18 to move transversely, the third cylinder 16 drives the pneumatic chuck 18 to move vertically through the lifting seat 17, so as to achieve lifting and lateral movement, and the workpieces inside the material conveying slots are sent to the combined fixture.
In one embodiment, the servo electric cylinder 9 is located at one side close to the blanking part, a first bracket 11 is arranged at one side of the servo electric cylinder 9, the first bracket 11 is fixedly connected with the workbench 1, a pre-pressing head 13 is vertically and slidably connected to the outer side of the first bracket 11, and a first cylinder 12 for driving the pre-pressing head 13 to move is fixedly connected to the top of the first bracket 11.
It should be noted that, in this embodiment, when the workpiece is sequentially mounted at the position corresponding to the fixed block 4 or the moving block 5, when the combined fixture rotates to correspond to the biaxial cylinder one 19, the biaxial cylinder one 19 pushes the moving block 5 to contact and combine with the fixed block 4, so as to rotate to the position corresponding to the bracket one 11, an infrared sensor is mounted on one side of the bracket one 11, and when the infrared sensor detects the combined fixture, the cylinder one 12 drives the pre-pressing head 13 to move downwards, the pre-pressing head 13 performs preliminary pressing and positioning on the combined workpiece, after the cylinder one 12 resets, the workpiece rotates to the lower side of the servo cylinder 9, and the servo cylinder 9 drives the pressing head 10 to move downwards to perform pressing processing on the workpiece.
In one embodiment, a double-shaft air cylinder III 21 is fixedly connected to the top of the disc of the workbench 1 and corresponds to the position of the blanking part and is used for driving the fixed block 4 to be separated from the movable block 5, a double-shaft air cylinder II 20 is fixedly connected to the top of the workbench 1 and is positioned between the first feeding part and the blanking part, the height of the double-shaft air cylinder II 20 is higher than that of the combined jig, and the output end of the double-shaft air cylinder II 20 is fixedly connected with a metal rod used for separating the fixed block 4 from the movable block 5 and is used for separating the fixed block 4 from the movable block 5.
It should be noted that, in this embodiment, after the workpiece is pressed and completed, it rotates to the below of the blanking portion, the three 21 extension of the two-axis cylinder extrudes the sliding rod 6, the sliding rod 6 drives the moving block 5 to separate from the fixed block 4, the blanking portion clamps the processed workpiece through the pneumatic chuck 18, the workpiece is placed in the guide chute through lifting and lateral movement, the workpiece slides into the collecting box under the guide of the guide chute, after the material is taken out, under the action of the timer, the rotating ring 2 continues to drive the separated jig to rotate, when the separated combined jig corresponds to the two 20 of the two-axis cylinder, the two-axis cylinder 20 drives the moving block 5 of the metal rod pair to stir through retracting, the two-axis cylinder 20 extends after stirring to enable the metal rod to be located between the fixed block 4 and the moving block 5, the moving block 5 is located at a preset position through stirring, and the positioning column 8 is convenient to cooperate with the feeding portion.
In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," "fourth" may explicitly or implicitly include at least one such feature.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, or indirectly connected through an intermediate medium, and may be a communication between two elements or an interaction relationship between two elements, unless explicitly specified otherwise, and it will be understood by those of ordinary skill in the art that the above terms are in specific terms of the present utility model as appropriate.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.