CN110285151B - Automatic rivet ball mounting equipment - Google Patents

Automatic rivet ball mounting equipment Download PDF

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Publication number
CN110285151B
CN110285151B CN201910596818.7A CN201910596818A CN110285151B CN 110285151 B CN110285151 B CN 110285151B CN 201910596818 A CN201910596818 A CN 201910596818A CN 110285151 B CN110285151 B CN 110285151B
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station
cylinder
detection
outer ring
bearing outer
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CN110285151A (en
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阳帆
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Cixi Ctz Bearing Co ltd
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Cixi Ctz Bearing Co ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C43/00Assembling bearings
    • F16C43/04Assembling rolling-contact bearings
    • F16C43/06Placing rolling bodies in cages or bearings

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Assembly (AREA)

Abstract

The invention discloses automatic rivet ball mounting equipment, which solves the problem that the efficiency of a rivet ball mounting mode at the present stage is too low. Its technical scheme main points are automatic rivet ball erection equipment, including the main frame, the material jar, first clamping subassembly, the slip table subassembly, material loading pre-compaction subassembly, linear displacement sensor and riveting subassembly, through the accessory of linear displacement sensor and first clamping subassembly, make the rivet hole of installing the bearing inner race on first clamping subassembly be located the top of bearing inner race, later realize pressing the rivet ball into the rivet through-hole through material loading pre-compaction subassembly and riveting subassembly, the installation effectiveness ideal of above-mentioned automatic rivet ball erection equipment, the intensity of labour of operation workman has been reduced, and the security performance of equipment has been promoted.

Description

Automatic rivet ball mounting equipment
Technical Field
The invention belongs to the field of bearings, and particularly relates to automatic rivet ball mounting equipment.
Background
Referring to fig. 1, in a bearing outer ring 8, a rivet hole 81 is formed in an outer side wall of the bearing outer ring 8, a rivet ball 82 is installed in the rivet hole 81, and a limit ring groove 83 is further circumferentially formed in one side of the outer side wall of the bearing outer ring 8. At present, the rivet ball 82 is usually installed in a corresponding fixture by an operator, so that the rivet hole 81 in the bearing outer race 8 faces upward, the rivet ball 82 is placed at the opening of the rivet hole 81 in advance, and finally the rivet ball 82 is pressed into the rivet hole 81 by a punching device, and the installation mode of the rivet ball 82 is low in efficiency and has potential safety hazards.
Disclosure of Invention
The invention aims to provide automatic rivet ball mounting equipment which improves the working efficiency of mounting a rivet ball on a bearing outer ring and reduces the potential safety hazard in the mounting process.
The technical purpose of the invention is realized by the following technical scheme:
an automatic rivet ball mounting device comprises a main frame, a charging bucket, a first clamping assembly, a sliding table assembly, a feeding pre-pressing assembly, a linear displacement sensor and a riveting assembly;
the first clamping assembly comprises a rotary expansion chuck and a main driving motor, the rotary expansion chuck is horizontally and rotatably arranged on the main frame and is provided with a riveting station for installing the bearing excircle, and the main driving motor is in transmission connection with the rotary expansion chuck;
the sliding table assembly comprises a first sliding table and a first driving piece for driving the first sliding table to slide;
the feeding prepressing assembly comprises a feeding prepressing cylinder and a vacuum suction head, the feeding prepressing cylinder is a double-head cylinder and is vertically installed on the first sliding table, and the vacuum suction head is installed on a piston rod at the lower end of the feeding prepressing cylinder;
the linear displacement sensor is arranged on the first sliding table;
the riveting component comprises a riveting support, a pressure cylinder vertically and downwards mounted on the riveting support and a riveting head mounted on a piston rod of the pressure cylinder, and the riveting head is positioned right above the rotary expansion chuck;
the first sliding table is driven by the first driving piece to enable the first sliding table to be provided with a first station and a second station: when the riveting station is located on the first station, the feeding pre-pressing assembly is located above the material tank, and the linear displacement sensor is located above the bearing outer ring on the riveting station; and when the second station is used, the feeding pre-pressing assembly is positioned above the bearing outer ring on the riveting station, and the upper end piston rod of the feeding pre-pressing cylinder is positioned below the riveting head.
The working process of the automatic rivet ball mounting device is as follows: 1. installing a bearing outer ring on the rotary expansion chuck, wherein the first sliding table is positioned at a first station; 2. the main driving motor drives the rotary expansion chuck to rotate until the linear displacement sensor detects that a rivet hole of the bearing outer ring is positioned at the right upper end of the bearing outer ring; meanwhile, a vacuum suction head of the feeding prepressing assembly sucks a rivet ball from the charging bucket; 3. the first driving piece drives the first sliding table to slide, so that the first sliding table is positioned at the second station; 4. the feeding prepressing cylinder descends, and the rivet ball on the vacuum suction head is prepressed on the rivet hole of the bearing outer ring; 5. the piston rod of the pressurizing cylinder extends out, so that the riveting head is punched on the piston rod at the upper end of the feeding pre-pressing cylinder, and the rivet ball is pressed into the rivet hole of the bearing outer ring.
Above-mentioned automatic rivet ball erection equipment has realized the location of the rivet hole of bearing inner race, and has realized the automatic feeding and the automatic riveting of rivet ball, has promoted and has installed the rivet ball at the downthehole work efficiency of rivet of bearing inner race. Simultaneously, what above-mentioned automatic rivet ball erection equipment adopted uses linear displacement sensor to fix a position the position in the rivet hole of bearing inner race earlier, then uses the less material loading pre-compaction cylinder of pressure to pre-compress the rivet ball on the rivet hole, adopts the great pressure cylinder of pressure to press the rivet ball into the rivet hole at last, and the settlement of above-mentioned equipment structure can reduce the probability that the rivet ball bounced out from the bearing inner race at the riveting in-process, has promoted the security performance of whole automatic rivet ball erection equipment.
The invention is further provided that a vertically downward detection cylinder is also arranged on the first sliding table, and a detection sliding table for mounting the linear displacement sensor is arranged on a piston rod of the detection cylinder.
Through adopting above-mentioned technical scheme, because the measuring distance of high accuracy linear displacement sensor is less, the measuring cylinder can control linear displacement sensor and go up and down to can avoid the bearing inner race to take place to interfere with linear displacement sensor in last unloading in-process.
The invention further provides a preset frame and a manipulator for installing the outer ring of the bearing on the preset frame to the rotary expansion chuck;
the pre-adjusting rack is rotatably provided with a driving supporting wheel and a driven supporting wheel which support the outer ring of the bearing, and is provided with a pre-adjusting driving motor which is in transmission connection with the driving supporting wheel; a pre-adjusting station is formed above the driving supporting wheel and the driven supporting wheel by the pre-adjusting machine frame;
the pre-adjusting rack is provided with a pinch roller assembly, and the pinch roller assembly comprises a pinch roller connecting rod rotatably arranged on the pre-adjusting rack, a rotary pinch roller rotatably arranged at one end of the pinch roller connecting rod, and a pinch roller cylinder in transmission connection with the other section of the pinch roller connecting rod;
the pre-adjusting rack is also provided with a pre-adjusting positioning assembly, and the pre-adjusting positioning assembly comprises a detection component rotatably arranged on the pre-adjusting rack, a first displacement sensor arranged on the pre-adjusting rack, a pre-adjusting cylinder arranged on the pre-adjusting rack and driving the detection component to rotate, and a detection tension spring connected between a piston rod of the pre-adjusting cylinder and the detection component;
the detection component is provided with a detection contact pin matched with the rivet hole of the bearing outer ring and a detection baffle rotating synchronously with the detection contact pin; when the detection contact pin is inserted into a rivet hole of the bearing outer ring, the distance between the detection baffle and the first displacement sensor is smaller than or equal to the preset value of the first displacement sensor; when the detection contact pin abuts against the outer side wall of the bearing outer ring, the distance between the detection baffle and the first displacement sensor is larger than the preset value of the first displacement sensor.
Through adopting above-mentioned technical scheme, through setting up preset support and manipulator for the bearing inner race carries out the preset position earlier on preset support, thereby reduces the rotation amplitude of bearing inner race at the riveting station, thereby promotes the installation effectiveness of rivet ball.
The preset angle of the bearing outer ring on the preset support is realized through the preset positioning assembly, when the bearing outer ring is installed on the preset station, the pressing wheel assembly presses the bearing outer ring onto the driving supporting wheel and the driven supporting wheel, the detection contact pin on the preset positioning assembly abuts against the outer side wall of the bearing outer ring, then the preset driving motor drives the driving supporting wheel to rotate, the bearing outer ring synchronously rotates until the detection contact pin is inserted into the rivet hole of the bearing outer ring, the distance between the detection baffle and the first displacement sensor is smaller than or equal to the preset value of the first displacement sensor, and the preset driving motor stops rotating.
The manipulator further comprises a transverse support, a transverse air cylinder for driving the transverse support to slide transversely, a longitudinal support movably arranged on the transverse support, a longitudinal air cylinder arranged on the transverse support and used for driving the longitudinal support to slide longitudinally, and a finger air cylinder arranged on the longitudinal air cylinder;
the transverse support is driven by a transverse air cylinder to be provided with a first transverse station and a second transverse station; when the first transverse station is arranged, the finger cylinder is opposite to the preset station; when the second transverse station is arranged, the finger cylinder is opposite to the riveting station;
the longitudinal main bracket is provided with a first longitudinal station and a second longitudinal station through the driving of a transverse air cylinder; when the first longitudinal station is used, the finger cylinder clamps the bearing outer ring on the rotary expansion chuck/the preset frame; and when the second longitudinal station is in the second longitudinal station, the finger cylinder does not interfere with the rotary expansion chuck/the preset frame.
Through adopting above-mentioned technical scheme, the setting of manipulator can realize shifting the bearing inner race of preset station to the riveting station on, and the simple structure of above-mentioned manipulator, and positioning accuracy is higher, and transport stability is comparatively ideal.
The invention is further provided with a discharging groove which is transversely arranged and a discharging cylinder which drives the discharging groove to longitudinally slide; the blanking cylinder drives the blanking trough to be provided with a first blanking station and a second blanking station; when the first blanking station is used, the receiving end of the blanking groove is positioned below the riveting station; and when the second blanking station is arranged, the material receiving end of the blanking groove is positioned below the finger cylinder positioned at the second longitudinal station.
Through adopting above-mentioned technical scheme, when the riveting of rivet ball is carried out to the bearing inner race on the riveting station, unloading trench is located the below of riveting station, can accept not correctly rivet the downthehole rivet ball of the rivet of impressing the bearing inner race to collect this part rivet ball, avoid later stage operating personnel to collect this part rivet ball, guarantee automatic rivet ball erection equipment operational environment's clean and tidy all around.
The invention is further provided with a detection reversing slide way and a feeding slide way;
the detection reversing slide way comprises an inlet slide way, a forward slide way and an outlet slide way; the detection reversing slide way is provided with a detection station and a blocking bulge for blocking the bearing outer ring at the detection station at the joint of the inlet slide way and the forward slide way;
the detection reversing slide way is also provided with a lifting cylinder for lifting the outer ring of the bearing, a forward and reverse detection assembly for detecting the forward and reverse directions of the outer ring of the bearing and a reversing assembly for pushing the reverse outer ring of the bearing away from the detection station at the detection station;
the positive and negative detection assembly comprises a dial indicator and a second displacement sensor for detecting the displacement of the fixed head of the dial indicator;
the reversing assembly comprises a push plate and a reversing cylinder for driving the push plate to slide;
when the bearing outer ring is placed on the detection station in the forward direction, in the process that the bearing outer ring is lifted by the lifting cylinder, the detection probe of the dial indicator can be clamped into the limiting ring groove of the bearing outer ring, the minimum distance between the fixing head of the dial indicator and the second displacement sensor is larger than the preset value of the second displacement sensor, and the reversing assembly does not act;
when the bearing outer ring is reversely placed on the detection station, in the process that the bearing outer ring is lifted by the lifting cylinder, the detection probe of the dial indicator can be abutted against the outer side wall of the bearing outer ring, the minimum distance between the fixing head of the dial indicator and the second displacement sensor is smaller than or equal to the preset value of the second displacement sensor, and the reversing cylinder drives the push plate to push the bearing outer ring away from the detection station.
By adopting the technical scheme, the detection reversing slide way realizes the detection of whether the bearing outer ring enters the preset station in the forward direction or not, and rejects the reverse bearing outer ring.
The forward and reverse detection assembly is designed according to a special structure (a limit ring groove) of the bearing outer ring, when the bearing outer ring is in a forward direction, a detection probe of the dial indicator can be clamped into the limit ring groove of the bearing outer ring, so that the distance between a fixed head of the dial indicator and the displacement sensor is relatively long, the reversing assembly is not driven to work, and the bearing outer ring normally enters a forward slideway; otherwise, the detecting probe of the dial indicator can abut against the limiting ring groove of the bearing outer ring, so that the distance between the fixing head of the dial indicator and the displacement sensor is short, and the reversing assembly transversely pushes away the lifted bearing outer ring from the detecting station.
The invention is further arranged that the detection reversing slideway also comprises a reverse slideway positioned on one side of the forward slideway, the tail end of the reverse slideway is connected with the outlet slideway, and the push plate is provided with a guide arc surface for turning the bearing outer ring.
Through adopting above-mentioned technical scheme, the design of reverse slide and direction cambered surface for the bearing inner race that the reversal was placed can be through in the upset backward forward flow in the export slide, promoted the efficiency that enters into the bearing inner race of preset station, thereby promote the work efficiency of whole automatic rivet ball erection equipment.
The invention is further provided that the outlet slide way is provided with a discharge hole for the bearing outer ring to enter the feeding slide way, one end of the feeding slide way is opposite to the preset station, and the other end of the feeding slide way is provided with a material pushing component for pushing the bearing outer ring in the feeding slide way into the preset station; the material pushing assembly comprises a material pushing cylinder and a material pushing sliding block.
Through adopting above-mentioned technical scheme, the setting of above-mentioned material pushing component can correctly push the bearing inner race in preset station department, and this kind of material pushing component's simple structure pushes away material stability and accuracy comparatively ideal.
In conclusion, the invention has the following beneficial effects:
1. an automatic rivet ball mounting device is characterized in that a first clamping assembly, a sliding table assembly, a feeding prepressing assembly, a linear displacement sensor and a riveting assembly are arranged, so that a bearing outer ring is positioned on a first rotary expansion chuck firstly, a rivet hole of the bearing outer ring is positioned at the top end of the bearing outer ring, then a rivet ball is prepressed on the bearing hole of the bearing outer ring through the feeding prepressing assembly, and then the rivet ball is pressed into the rivet hole through the prepressing assembly, and the automatic rivet ball mounting device is high in efficiency and safety performance in mounting the rivet ball into the rivet hole of the bearing outer ring;
2. by arranging the preset frame and the manipulator, the bearing outer ring is firstly positioned on the preset station in advance, so that the bearing outer ring can rotate by a small angle on the riveting station to finish accurate positioning, and the working efficiency of the automatic rivet ball mounting equipment is further improved;
3. through setting up the detection switching-over slide for the bearing inner race that gets into the entry slide carries out forward and reverse detection on detecting the station, and forward bearing inner race normally enters into forward slide through detecting the station in, reverse bearing inner race falls into reverse slide after the upset under the effect of switching-over subassembly, owing to make also can keep forward to get into next process through once just reversing.
Drawings
FIG. 1 is a schematic structural view of a bearing outer race;
FIG. 2 is a schematic front view of the automatic rivet ball setting apparatus of the present invention;
FIG. 3 is a schematic view showing the rear structure of the automatic rivet ball setting apparatus of the present invention;
FIG. 4 is a schematic structural diagram of a detecting and reversing device according to the present invention;
FIG. 5 is a schematic view of the junction of the entry chute and the forward chute of the present invention;
FIG. 6 is a schematic structural view of a forward/reverse detection assembly and a reversing assembly according to the present invention;
FIG. 7 is a schematic view of the combination of the feed chute, exit chute and pusher assembly of the present invention;
FIG. 8 is a schematic view of the feed chute and preconditioning apparatus of the present invention;
FIG. 9 is a schematic diagram of a back side structure of the presetting device in the present invention;
FIG. 10 is a schematic structural view of a riveting apparatus according to the present invention;
FIG. 11 is a schematic front view of the riveting device of the present invention without the riveting component;
FIG. 12 is a schematic view of a back side structure of the riveting device without a riveting component;
FIG. 13 is a schematic structural view of a riveting assembly of the present invention;
fig. 14 is a schematic structural view of the robot of the present invention.
In the figure: 1. vibrating the feeding disc; 2. a lifting device; 3. detecting a reversing device; 31. detecting a reversing slideway; 311. an inlet chute; 312. a forward slide; 313. a reverse slide way; 314. an outlet chute; 3141. a discharge port; 315. a blocking projection; 316. detecting a station; 32. a lift cylinder; 321. lifting the slide block; 33. a dial indicator; 331. detecting the probe; 332. a fixed head; 34. a second displacement sensor; 35. a reversing cylinder; 36. pushing the plate; 361. a guiding cambered surface; 37. a feed chute; 371. a material pushing slide block; 372. a material pushing cylinder; 4. a pre-tuning device; 41. presetting a frame; 411. a convex portion; 421. a driving support wheel; 422. a passive support wheel; 423. presetting a driving motor; 43. presetting a station; 441. a pinch roller connecting rod; 442. rotating the pinch roller; 443. a pinch roller cylinder; 451. a detecting member; 4511. detecting a contact pin; 4512. detecting a baffle; 452. a first displacement sensor; 453. pre-adjusting a cylinder; 454. detecting the tension spring; 5. a riveting device; 51. a main frame; 52. a charging bucket; 531. rotating the expansion chuck; 532. a main drive motor; 541. a first sliding table; 542. a first driving member; 551. a feeding pre-pressing cylinder; 552. a vacuum suction head; 561. a linear displacement sensor; 562. detecting a cylinder; 563. detecting the sliding table; 571. riveting the bracket; 572. a booster cylinder; 573. riveting and pressing heads; 58. riveting stations; 6. a manipulator; 61. a transverse support; 62. a transverse cylinder; 63. a longitudinal support; 64. a longitudinal cylinder; 65. a finger cylinder; 71. a discharging groove; 72. a blanking cylinder; 72. a first material receiving box; 73. a second material receiving box; 8. a bearing outer race; 81. rivet holes; 82. a rivet ball; 83. and a limiting ring groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, a bearing cup 8 is provided with a rivet hole 81 in an outer wall thereof and a rivet ball 82 at the rivet hole 81, and the bearing cup 8 is further provided with a retainer ring groove 83 at one end of the outer wall thereof. Since the automatic rivet ball mounting apparatus in the present application is mainly applied to the mounting of the rivet ball 82 on the bearing outer ring 8, the structural features of the bearing outer ring 8 in the following description of the present embodiment need to refer to fig. 1, which is not necessarily pointed out in the following description.
Referring to fig. 2 and 3, an automatic rivet ball mounting device is applied to the field of bearings, mainly presses a rivet ball 82 into a rivet hole 81 of a bearing outer ring 8, and mainly comprises a controller, a vibration feeding disc 1, a lifting device 2, a detection reversing device 3, a presetting device 4, a riveting device 5 and a manipulator 6. In the present embodiment, the length direction of the automatic rivet ball setting apparatus is defined as the lateral direction, and the width direction thereof is oriented as the longitudinal direction.
In this embodiment, the lifting device 2 is a belt lifter, which lifts the outer ring 8 of the bearing to the detecting and reversing device 3 and enters the detecting and reversing device 3.
Referring to fig. 4, the detecting and reversing device 3 mainly includes a detecting and reversing slide 31, a lifting cylinder 32 installed at the detecting and reversing slide 31, a forward and reverse detecting component, and a reversing component.
Referring to fig. 4 and 5, the detection reversing chute 31 includes an entrance chute 311, a forward chute 312, a reverse chute 313, and an exit chute 314. The inlet slide way 311 is connected with the forward slide way 312, and a detection station 316 and a blocking protrusion 315 for blocking the bearing outer ring 8 at the detection station 316 are arranged at the connection position. The reverse slide way 313 is juxtaposed on one side of the forward slide way 312. The outlet ends of the forward slide 312 and the reverse slide 313 are both connected to an outlet slide 314. The widths of the inlet slide way 311, the forward slide way 312, the reverse slide way 313 and the outlet slide way 314 are matched with the bearing outer ring 8, and the whole bearing outer ring is arranged in an inclined manner towards the outlet slide way 314, so that the bearing outer ring 8 can be normally fed from the inlet slide way 311 and discharged from the outlet slide way 314.
The detection reversing slide 31 is provided with an opening below the detection station 316, the lifting cylinder 32 is vertically arranged below the detection station 316 upwards, the piston rod of the lifting cylinder 32 is provided with a lifting slide block 321, and the top surface of the lifting slide block 321 is provided with an inclined surface which inclines downwards towards the direction of the forward slide 312.
Referring to fig. 4 and 6, the forward/reverse detecting assembly includes a dial indicator 33 and a second displacement sensor 34. The dial indicator 33 includes a detection probe 331, a fixed head 332, and a spring disposed inside the detection probe 331, the fixed head 332, and the detection probe 331 and the fixed head 332 are integrally disposed, so that the detection probe 331 and the fixed head 332 can synchronously slide and reset under the action of the spring. The reason for using the dial indicator 33 is based on the characteristics of the dial indicator 33, and if other elements are used, the characteristics are also included in the protection scope of the application document.
The reversing assembly comprises a push plate 36 and a reversing cylinder 35 for driving the push plate 36 to slide along the width direction of the detection reversing slideway 31. Wherein, the push plate 36 has a guide arc surface 361 for turning the bearing outer ring 8.
With reference to fig. 4 to 6, when the bearing outer ring 8 is placed in the detection station 316 in the forward direction, in this embodiment, the bearing outer ring 8 is placed in the forward direction of the bearing outer ring 8, the limit ring groove 83 of the bearing outer ring 8 is located on the right side of the bearing outer ring 8, and in the process that the bearing outer ring 8 is lifted by the lifting cylinder 32, the detection probe 331 of the dial indicator 33 is clamped into the limit ring groove 83 of the bearing outer ring 8, so that the minimum distance between the fixing head 332 of the dial indicator 33 and the second displacement sensor 34 is greater than the preset value of the second displacement sensor 34, and the reversing component does not act.
When the bearing outer ring 8 is reversely placed at the detection station 316, in this embodiment, the bearing outer ring 8 is reversely placed towards the advancing direction of the bearing outer ring 8, the limit ring groove 83 of the bearing outer ring 8 is located on the left side of the bearing outer ring 8, and during the engineering that the bearing outer ring 8 is replaced by the lifting cylinder 32, the detection probe 331 of the dial indicator 33 abuts against the outer side wall of the bearing outer ring 8, so that the minimum distance between the fixing head 332 of the dial indicator 33 and the second displacement sensor 34 is smaller than or equal to the preset value of the second displacement sensor 34, and before the bearing outer ring 8 is lifted to the highest position, the reversing cylinder 35 drives the push plate 36 to eject out, so that the bearing outer ring 8 impacts on the guide arc surface 361 of the push plate 36 to turn over and enter the reverse slide way 313.
The preset value of the second displacement sensor 34 is set in the controller, and is compared with the distance value between itself and the fixed head 332 of the dial indicator 33, which is detected by the second displacement sensor 34. If the measured numerical value is smaller than the preset value, the controller does not drive the pushing assembly to act; if the measured numerical value is equal to or smaller than the preset value, the controller drives the pushing assembly to act.
Referring to fig. 7 and 8, the bottom of the outlet chute 314 is provided with a discharge port 3141 for passing the bearing outer ring 8, and a feed chute 37 is provided at the discharge port 3141 of the outlet chute 314. One end of the feeding slideway 37 is opposite to the presetting device 4, and the other end is provided with a material pushing assembly, wherein the material pushing assembly comprises a material pushing slider 371 sliding along the feeding slideway 37 and a material pushing cylinder 372 driving the material pushing slider 371 to slide.
Referring to fig. 8 and 9, the preset device 4 includes a preset frame 41, and the preset frame 41 is transversely arranged and has a preset installation plane. The preset frame 41 is rotatably provided with a driving support wheel 421 and a driven support wheel 422 for supporting the bearing outer ring 8 on the preset installation plane, and is further provided with a preset driving motor 423 in transmission connection with the driving support wheel 421. The presetting frame 41 is provided with a presetting station 43 above the driving supporting wheel 421 and the driven supporting wheel 422.
The presetting frame 41 is also provided with a pressure wheel assembly which presses the bearing outer ring 8 on the presetting station 43. The pinch roller assembly comprises a pinch roller connecting rod 441 rotatably mounted on the pre-adjusting rack 41, a rotary pinch roller 442 rotatably mounted at one end of the pinch roller connecting rod 441, and a pinch roller cylinder 443 in transmission connection with the other end of the pinch roller connecting rod 441, wherein a piston rod of the pinch roller cylinder 443 is connected with a tension spring of the pinch roller connecting rod 441.
When the piston rod of the pinch roller cylinder 443 extends out, the rotary pinch roller 442 presses the bearing outer ring 8 on the presetting station 43; when the piston rod of the pinch roller cylinder 443 retracts, the rotating pinch roller 442 does not press the bearing outer ring 8, so that the bearing outer ring 8 can be taken down from the presetting station 43 under the action of the manipulator 6.
The preset housing 41 is also equipped with a preset positioning assembly. The preset positioning assembly includes a detecting member 451 rotatably installed at the preset frame 41, a first displacement sensor 452 installed at the preset frame 41, a preset cylinder 453 installed at the preset frame 41 and driving the detecting member 451 to rotate, and a detecting tension spring 454 connected between a piston rod of the preset cylinder 453 and the detecting member 451. The preset frame 41 has a protrusion 411 to which the detection member 451 is rotatably attached.
The sensing member 451 has a sensing pin 4511 fitted to the rivet hole 81 of the bearing outer race 8 and a sensing flapper 4512 rotating in synchronization with the sensing pin 4511.
When the detection pin 4511 is inserted into the rivet hole 81 of the bearing outer race 8, the distance between the detection flapper 4512 and the first displacement sensor 452 is less than or equal to the preset value of the first displacement sensor 452, so that the preset drive motor 423 stops rotating. When the detection pin 4511 abuts against the outer side wall of the bearing outer ring 8, the distance between the detection baffle 4512 and the first displacement sensor 452 is greater than the preset value of the first displacement sensor 452, and the preset driving motor 423 rotates normally.
The operation steps of the presetting device 4 are as follows: the bearing outer ring 8 enters the presetting station 43 from the feeding slideway 37 under the action of the pushing assembly, the rotary pressure wheel 442 presses the bearing outer ring 8 under the action of the pressure wheel cylinder 443, the detection component 451 overturns towards the bearing outer ring 8 under the action of the presetting cylinder 453, so that the detecting pin 4511 of the detecting member 451 abuts against the outer side wall of the bearing outer ring 8, at this time, the distance between the detecting baffle 4512 and the first displacement sensor 452 is greater than the preset value of the first displacement sensor 452, the driving support wheel 421 rotates under the action of the preset driving motor 423, so that the bearing outer ring 8 synchronously rotates until the detection pin 4511 is inserted into the riveting hole of the bearing outer ring 8, at this time, the distance between the detection baffle 4512 and the first displacement sensor 452 is reduced and is less than or equal to the preset value of the first displacement sensor 452, and the controller controls the preset driving motor 423 to stop rotating.
In the present embodiment, when the detecting pin 4511 is inserted into the staking hole of the bearing outer race 8, an acute angle formed by a radial direction of the bearing outer race 8 passing through the staking hole and a vertical direction is 30 °.
Referring to fig. 10 to 12, the riveting device 5 includes a main frame 51, a charging bucket 52, a first clamping assembly, a sliding table assembly, a feeding pre-pressing assembly, a linear displacement sensor 561 and a riveting assembly.
The first clamping assembly includes a rotary expansion clamp 531 and a main drive motor 532. The rotary expansion chuck 531 is horizontally rotatably mounted to the main frame 51 and is formed with a caulking station 58 for mounting an outer circumference of a bearing. The main driving motor 532 is drivingly connected to the rotary expansion chuck 531 and drives the rotary expansion chuck 531 to rotate.
The sliding table assembly includes a first sliding table 541 and a first driving member 542 for driving the first sliding table 541 to slide. In this embodiment, the first driver 542 is a cylinder. Wherein, the slip table subassembly is installed at the top of main frame 51, and still is equipped with the linear slide rail subassembly between the top surface of first slip table 541 and main frame 51.
The feeding pre-pressing assembly comprises a feeding pre-pressing cylinder 551 and a vacuum suction head 552, the feeding pre-pressing cylinder 551 is a double-head cylinder and is vertically installed on the first sliding table 541, and the vacuum suction head 552 is installed on a lower end piston rod of the feeding pre-pressing cylinder 551. Wherein, automatic rivet ball erection equipment is equipped with the vacuum pump for vacuum suction head 552 can normally work.
The first sliding table 541 is further provided with a vertically downward detection cylinder 562, and a piston rod of the detection cylinder 562 is provided with a vertically ascending and descending detection sliding table 563. Linear displacement sensor 561 installs on detecting slip table 563, and is controlled by detection cylinder 562 and realizes the function of going up and down.
The riveting assembly comprises a riveting bracket 571, a pressure cylinder 572 vertically and downwardly mounted on the riveting bracket 571, and a riveting head 573 mounted on a piston rod of the pressure cylinder 572, wherein the riveting head 573 is positioned right above the rotary expansion chuck 531.
The bucket 52 has a cavity in which the rivet ball 82 is placed and an upper end is opened, and the bucket 52 is mounted on the main frame 51.
The first sliding table 541 is driven by the first driving member 542, so that the first sliding table 541 has a first station and a second station. When the first sliding table 541 is at the first station, the feeding pre-pressing assembly is located above the charging bucket 52, and the linear displacement sensor 561 is located above the bearing outer ring 8 at the riveting station 58. When the first sliding table 541 is located at the second station, the feeding pre-pressing assembly is located above the bearing outer ring 8 on the riveting station 58, and the upper end piston rod of the feeding pre-pressing cylinder 551 is located below the riveting head 573.
The operation steps of the riveting device 5 are as follows: 1. the bearing outer ring 8 is arranged on the rotary expansion chuck 531; 2. the main driving motor 532 drives the rotary expansion joint to rotate until the linear displacement sensor 561 detects that the rivet hole 81 of the bearing outer ring 8 is positioned at the right upper end of the bearing outer ring 8; meanwhile, the vacuum suction head 552 of the feeding pre-pressing assembly sucks a rivet ball 82 from the charging bucket 52; 3. the first driving member 542 drives the first sliding table 541 to slide, so that the first sliding table 541 is located at the second station; 4. the feeding pre-pressing cylinder 551 descends to pre-press the rivet ball 82 on the vacuum suction head 552 on the rivet hole 81 of the bearing outer ring 8; 5. the piston rod of the pressurizing cylinder is extended, so that the riveting head 573 is punched on the piston rod at the upper end of the feeding pre-pressing cylinder 551 to press the rivet ball 82 into the rivet hole 81 of the bearing outer ring 8.
Referring to fig. 14, the manipulator 6 is mainly used for transferring the bearing outer ring 8 at the preset station 43 (see fig. 8) to the riveting station 58 (see fig. 11), and for blanking the bearing outer ring 8 at the riveting station 58. The manipulator 6 comprises a transverse bracket 61, a transverse air cylinder 62 for driving the transverse bracket 61 to slide transversely, a longitudinal bracket 63 movably arranged on the transverse bracket 61, a longitudinal air cylinder 64 arranged on the transverse bracket 61 and used for driving the longitudinal bracket 63 to slide longitudinally, and a finger air cylinder 65 arranged on the longitudinal air cylinder 64.
The driving of the transverse bracket 61 by the transverse air cylinder 62 has a first transverse station and a second transverse station; when the transverse support 61 is positioned at the first transverse station, the finger cylinder 65 is opposite to the preset station 43; when the transverse support 61 is in the second transverse station, the finger cylinder 65 is opposite the riveting station 58.
The driving of the longitudinal carriage 63 by the transversal cylinder 62 has a first longitudinal station and a second longitudinal station. When the longitudinal support 63 is at the first longitudinal station, the finger cylinder 65 is clamped on the bearing outer ring 8 on the prefabricating station/riveting station 58; when the longitudinal support 63 is in the second longitudinal position, the finger cylinder 65 is longitudinally disengaged from the presetting station 43/riveting station 58.
Referring to fig. 2, the automatic rivet ball setting apparatus further includes a horizontally disposed discharging chute 71 and a discharging cylinder 72 for driving the discharging chute 71 to slide longitudinally. The blanking cylinder 72 drives the blanking trough 71 to have a first blanking station and a second blanking station. When the blanking groove 71 is at the first blanking station, the receiving end of the blanking groove 71 is positioned below the riveting station 58; when the blanking groove 71 is located at the second blanking station, the material receiving end of the blanking groove 71 is located below the finger cylinder 65 located at the second longitudinal station.
The automatic rivet ball mounting apparatus is further provided with a first material receiving box 72 provided corresponding to the feed chute 71 at the first feeding station and a second material receiving box 73 provided corresponding to the feed chute 71 at the second feeding station.
With reference to fig. 1 to 14, the automatic rivet ball setting apparatus described above has the following steps:
1. the bearing outer ring 8 is discharged from the vibrating feeding disc 1 and enters the inlet of the lifting device 2;
2. the bearing outer ring 8 is lifted by the lifting device 2 to enter an inlet slide way 311 of the detection reversing device 3;
3. through the detection of the detection reversing device 3, if the bearing outer ring 8 is in the forward direction, the bearing outer ring enters the outlet slide way 314 through the forward slide way 312; if the bearing outer ring 8 is in the reverse direction, the bearing outer ring overturns to enter the reverse slideway 313 with the assistance of the reversing component and also keeps entering the outlet slideway 314 in the forward direction;
4. the bearing outer ring 8 enters the feeding slideway 37 through the discharge hole 3141 of the outlet slideway 314;
5. driven by the pushing assembly, the bearing outer ring 8 enters the pre-adjusting station 43 of the pre-adjusting device 4, and the pre-adjusting station 43 pre-adjusts the bearing outer ring so that an acute angle formed by the radial direction and the vertical direction of a rivet hole 81 of the bearing outer ring 8 is 30 degrees;
6. the bearing outer ring 8 is conveyed by the manipulator 6, placed in the riveting station 58 from the presetting station 43, and driven by the riveting device 5, the rivet ball 82 is pressed into the rivet hole 81 of the bearing outer ring 8;
7. the outer ring 8 of the bearing is conveyed by the manipulator 6, is placed into the discharging groove 71 and enters the second material receiving box 73 under the guidance of the discharging groove.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims (6)

1. An automatic rivet ball mounting device is characterized by comprising a main frame (51), a charging bucket (52), a first clamping assembly, a sliding table assembly, a feeding prepressing assembly, a linear displacement sensor (561) and a riveting assembly;
the first clamping assembly comprises a rotary expansion chuck (531) and a main driving motor (532), the rotary expansion chuck (531) is horizontally and rotatably mounted on the main frame (51) and is provided with a riveting station (58) for mounting a bearing outer ring (8), and the main driving motor (532) is in transmission connection with the rotary expansion chuck (531);
the sliding table assembly comprises a first sliding table (541) and a first driving piece (542) for driving the first sliding table (541) to slide;
the feeding pre-pressing assembly comprises a feeding pre-pressing cylinder (551) and a vacuum suction head (552), the feeding pre-pressing cylinder (551) is a double-head cylinder and is vertically installed on the first sliding table (541), and the vacuum suction head (552) is installed on a piston rod at the lower end of the feeding pre-pressing cylinder (551);
the linear displacement sensor (561) is mounted on the first sliding table (541);
the riveting assembly comprises a riveting support (571), a pressure cylinder (572) vertically and downwards mounted on the riveting support (571), and a riveting head (573) mounted on a piston rod of the pressure cylinder (572), wherein the riveting head (573) is positioned right above the rotary expansion chuck (531);
the first sliding table (541) is driven by the first driving piece (542) so that the first sliding table (541) is provided with a first station and a second station: when the riveting station is at the first station, the feeding pre-pressing assembly is positioned above the charging bucket (52), and the linear displacement sensor (561) is positioned above the bearing outer ring (8) on the riveting station (58); when the riveting station is at the second station, the feeding prepressing assembly is positioned above a bearing outer ring (8) on the riveting station (58), and an upper end piston rod of the feeding prepressing cylinder (551) is positioned below the riveting head (573);
a detection cylinder (562) which faces vertically downwards is further mounted on the first sliding table (541), and a detection sliding table (563) for mounting the linear displacement sensor (561) is arranged on a piston rod of the detection cylinder (562);
the device also comprises a preset frame (41) and a manipulator (6) for installing a bearing outer ring (8) on the preset frame (41) to the rotary expansion chuck (531);
the pre-adjusting frame (41) is rotatably provided with a driving supporting wheel (421) and a driven supporting wheel (422) which support the bearing outer ring (8), and the pre-adjusting frame (41) is provided with a pre-adjusting driving motor (423) which is in transmission connection with the driving supporting wheel (421); a pre-adjusting station (43) is formed above the driving supporting wheel (421) and the driven supporting wheel (422) of the pre-adjusting frame (41);
the pre-adjusting rack (41) is provided with a pinch roller assembly, the pinch roller assembly comprises a pinch roller connecting rod (441) rotatably arranged on the pre-adjusting rack (41), a rotary pinch roller (442) rotatably arranged at one end of the pinch roller connecting rod (441), and a pinch roller cylinder (443) in transmission connection with the other end of the pinch roller connecting rod (441);
the presetting rack (41) is also provided with a presetting positioning assembly, and the presetting positioning assembly comprises a detection component (451) rotatably arranged on the presetting rack (41), a first displacement sensor (452) arranged on the presetting rack (41), a presetting cylinder (453) arranged on the presetting rack (41) and driving the detection component (451) to rotate, and a detection tension spring (454) connected between a piston rod of the presetting cylinder (453) and the detection component (451);
the detection member (451) is provided with a detection pin (4511) matched with a rivet hole (81) of the bearing outer ring (8) and a detection baffle (4512) rotating synchronously with the detection pin (4511); when the detection pin (4511) is inserted into the rivet hole (81) of the bearing outer ring (8), the distance between the detection baffle (4512) and the first displacement sensor (452) is smaller than or equal to the preset value of the first displacement sensor (452), so that the preset driving motor (423) stops rotating; when the detection pin (4511) abuts against the outer side wall of the bearing outer ring (8), the distance between the detection baffle (4512) and the first displacement sensor (452) is larger than the preset value of the first displacement sensor (452).
2. An automatic rivet ball mounting apparatus according to claim 1, characterized in that said robot (6) comprises a lateral bracket (61), a lateral cylinder (62) for driving the lateral bracket (61) to slide laterally, a longitudinal bracket (63) movably mounted to the lateral bracket (61), a longitudinal cylinder (64) mounted to the lateral bracket (61) for driving the longitudinal bracket (63) to slide longitudinally, and a finger cylinder (65) mounted to the longitudinal cylinder (64);
the transverse bracket (61) is driven by a transverse air cylinder (62) to have a first transverse station and a second transverse station; when the first transverse station is used, the finger cylinder (65) is opposite to the preset station (43); when the second transverse station is used, the finger cylinder (65) is opposite to the riveting station (58);
the longitudinal main support is provided with a first longitudinal station and a second longitudinal station through the driving of a transverse air cylinder (62); when in the first longitudinal station, the finger cylinder (65) clamps the bearing outer ring (8) on the rotary expansion chuck (531)/the preset frame (41); and when the second longitudinal station is in the second longitudinal station, the finger cylinder (65) does not interfere with the rotary expansion chuck (531)/the presetting rack (41).
3. An automatic rivet ball setting apparatus according to claim 2, characterized by further comprising a horizontally disposed blanking chute (71) and a blanking cylinder (72) for driving the blanking chute (71) to slide longitudinally; the blanking groove (71) is driven by the blanking cylinder (72) to be provided with a first blanking station and a second blanking station; when the first blanking station is used, the material receiving end of the blanking groove (71) is positioned below the riveting station (58); and when the second blanking station is used, the material receiving end of the blanking groove (71) is positioned below the finger cylinder (65) positioned at the second longitudinal station.
4. An automatic rivet ball setting apparatus according to claim 3, further comprising a detection reversing chute (31) and a feed chute (37);
the detection reversing slide way (31) comprises an inlet slide way (311), a forward slide way (312) and an outlet slide way (314); a detection station (316) and a blocking bulge (315) for blocking the bearing outer ring (8) at the detection station (316) are arranged at the joint of the inlet slide way (311) and the forward slide way (312) of the detection reversing slide way (31);
the detection reversing slide way (31) is also provided with a lifting cylinder (32) for lifting the bearing outer ring (8), a forward and reverse detection assembly for detecting the forward and reverse directions of the bearing outer ring (8) and a reversing assembly for pushing the reverse bearing outer ring (8) away from the detection station (316) at the detection station (316);
the positive and negative detection assembly comprises a dial indicator (33) and a second displacement sensor (34) for detecting the displacement of a fixing head (332) of the dial indicator (33);
the reversing assembly comprises a push plate (36) and a reversing cylinder (35) for driving the push plate (36) to slide;
when the bearing outer ring (8) is placed on the detection station (316) in the forward direction, in the process that the bearing outer ring (8) is lifted by the lifting cylinder (32), the detection probe (331) of the dial indicator (33) can be clamped into the limit ring groove (83) of the bearing outer ring (8), the minimum distance between the fixing head (332) of the dial indicator (33) and the second displacement sensor (34) is larger than the preset value of the second displacement sensor (34), and the reversing assembly does not act;
when the bearing outer ring (8) is reversely placed on the detection station (316), in the process that the bearing outer ring (8) is lifted by the lifting cylinder (32), the detection probe (331) of the dial indicator (33) can abut against the outer side wall of the bearing outer ring (8), the minimum distance between the fixing head (332) of the dial indicator (33) and the second displacement sensor (34) is smaller than or equal to the preset value of the second displacement sensor (34), and the reversing cylinder (35) drives the push plate (36) to push the bearing outer ring (8) away from the detection station (316).
5. An automatic rivet ball setting apparatus according to claim 4, characterized in that the detection reversal slide (31) further includes a reverse slide (313) on one side of the forward slide (312), and a trailing end of the reverse slide (313) is connected to an exit slide (314), and the push plate (36) has a guide arc surface (361) for turning the bearing outer race (8).
6. An automatic rivet ball setting apparatus according to claim 4, characterized in that the outlet chute (314) has a discharge port (3141) for the outer race (8) to enter the feed chute (37), one end of the feed chute (37) is opposite to the presetting station (43), and the other end is provided with a pushing assembly for pushing the outer race (8) in the feed chute (37) into the presetting station (43); the material pushing assembly comprises a material pushing cylinder (372) and a material pushing sliding block (371).
CN201910596818.7A 2019-07-02 2019-07-02 Automatic rivet ball mounting equipment Active CN110285151B (en)

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CN111421313A (en) * 2020-04-08 2020-07-17 镇江晨光焊接设备制造有限公司 Shell surface sorting mechanism for automatic shell loading machine
CN116906457B (en) * 2023-09-11 2023-11-14 常州市武滚轴承有限公司 Cylindrical roller bearing combination assembly fixture
CN117307612B (en) * 2023-11-02 2024-04-05 安徽祥东高端装备股份有限公司 High-strength bearing and production system thereof
CN117915571B (en) * 2024-03-20 2024-05-14 南京克锐斯自动化科技有限公司 Automatic riveter suitable for PCB board

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