CN112985833A - Automatic performance detection equipment and method for automobile brake calipers - Google Patents
Automatic performance detection equipment and method for automobile brake calipers Download PDFInfo
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- 238000007599 discharging Methods 0.000 claims abstract description 15
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- 238000007667 floating Methods 0.000 claims description 15
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- 238000011056 performance test Methods 0.000 claims description 4
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- G01M17/00—Testing of vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention relates to the field of automatic detection equipment, in particular to automatic performance detection equipment and a method for automobile brake calipers, wherein the automatic performance detection equipment comprises the following components: the device comprises an equipment frame, wherein a feeding station, a transfer station and a discharging station are sequentially arranged on the equipment frame, and a testing station is arranged on the side of the transfer station; the product moving testing device is provided with a testing jig, drives the testing jig and a product clamped on the testing jig to move between a transfer station and a testing station, and assists the testing jig in testing the performance of the product to be tested; the double-station automatic product carrying device is used for loading a product to be tested on the loading station onto the test fixture and unloading the tested product on the test fixture onto the unloading station; and a noise testing device. The invention has the beneficial effects that: the automatic performance detection equipment for the automobile brake calipers realizes the automation of the performance detection of the automobile brake calipers and reduces the heavy physical labor of workers.
Description
Technical Field
The invention relates to the field of automatic detection equipment, in particular to automatic performance detection equipment and a method for automobile brake calipers.
Background
With the development of control technology and sensor technology, the application of automatic detection equipment is more and more extensive, and the automatic appearance detection equipment is already a mature technology for detecting the appearance of a product on an automobile automatic production line. The automated appearance inspection apparatus is an automated apparatus for inspecting the appearance of a product, and the appearance inspection generally inspects surface scratches, cracks, chipping, pockmarks, and the like, and the automated inspection apparatus and technology for inspecting the performance of the product are becoming mature.
At present, in the market, the automobile clamp detection machine manually puts products on a detection jig for detection, so that the automation degree is low, and the professional requirement of a skilled worker is high. In the actual production process of an automobile factory, as the weight of the brake caliper is heavier and the daily output is large, troublesome problems such as large production load, fatigue and low efficiency of a front-line worker are often encountered; testing the assembled product, and installing the product in a missing manner; the quality problem when the product is delivered is influenced by incorrect sequence when workers operate the device.
An automatic detection device is needed to be designed, the problem of low production rate at present can be well solved, and the automatic detection device is high in production efficiency and low in cost.
Disclosure of Invention
The invention aims to provide automatic performance detection equipment and method for an automobile brake caliper, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a performance testing automation device for an automotive brake caliper, comprising:
the device comprises an equipment frame, wherein a feeding station, a transfer station and a discharging station are sequentially arranged on the equipment frame, and a testing station is arranged on the side of the transfer station;
the product moving testing device is provided with a testing jig, drives the testing jig and a product clamped on the testing jig to move between a transfer station and a testing station, and assists the testing jig in testing the performance of the product to be tested;
the double-station automatic product carrying device is used for loading a product to be tested on the loading station onto the test fixture and unloading the tested product on the test fixture onto the unloading station; and
and the noise testing device is used for sealing the product to be tested which moves to the testing station, and detecting the noise intensity generated by the sealed product to be tested by the testing jig.
As a further scheme of the invention: and the blanking station is provided with an automatic discharging device for discharging the measured products of the blanking station.
As a still further scheme of the invention: the product movement testing device comprises a first ball screw linear module, a bottom plate, a clamping force and vibration testing jig, wherein the bottom plate is installed on an equipment rack in a sliding mode, and the first ball screw linear module drives the bottom plate to move; the clamping force and vibration test fixture for detecting the performance of the product to be tested is arranged on the bottom plate.
As a still further scheme of the invention: the product movement testing device further comprises an automatic screw tightening mechanism, an appearance profile inspection mechanism and a plurality of connector automatic insertion mechanisms, wherein the automatic screw tightening mechanism, the appearance profile inspection mechanism and the plurality of connector automatic insertion mechanisms are installed around the clamping force and vibration testing jig.
As a still further scheme of the invention: the automatic screw tightening mechanism comprises a five-axis servo moving module and a floating electric screwdriver component, the movable end of the five-axis servo moving module is at least provided with three mutually perpendicular degrees of freedom compared with the fixed end, the fixed end of the five-axis servo moving module is slidably mounted on the bottom plate, the floating electric screwdriver component is mounted at the movable end of the five-axis servo moving module, and the floating electric screwdriver component is used for adjusting the torsion of a screw of a product to be tested.
As a still further scheme of the invention: the floating electric screwdriver component comprises a servo electric screwdriver, a screwdriver rod, a sleeve and a connecting piece, wherein the servo electric screwdriver is installed at the movable end of a five-axis servo moving module, one end of the screwdriver rod is flexibly connected with the servo electric screwdriver, and the other end of the screwdriver rod is connected with the sleeve through the connecting piece.
As a still further scheme of the invention: the clamping force and vibration testing jig comprises a jig bottom plate, a jig positioning plate and a jig mounting seat, wherein the jig positioning plate and the jig mounting seat are mounted on the jig bottom plate; and a product locking screw and a vibration sensor are installed on one side, away from the jig positioning plate, of the jig mounting seat.
As a still further scheme of the invention: the product locking screw is movably installed on one side, away from the jig positioning plate, of the jig mounting seat through the linear guide rod and the screw connecting plate matched with the linear guide rod.
As a still further scheme of the invention: and a separation spring is arranged between the jig mounting seat and the screw connecting plate and used for unloading the product after the product locking screw releases the locking of the product.
As a still further scheme of the invention: the double-station automatic product carrying device comprises a second ball screw linear module, two product clamping jaws and a rack body, wherein the two product clamping jaws are respectively installed on the rack body in a sliding mode, the rack body is installed on an equipment rack, and the second ball screw linear module drives the two product clamping jaws to move synchronously.
As a still further scheme of the invention: the product clamping jaw is installed on the clamping jaw mounting bracket, the clamping jaw mounting bracket passes through clamping jaw support mounting on the slip table cylinder, the slip table cylinder is installed on the frame body.
As a still further scheme of the invention: a cam follower component is installed between the product clamping jaw and the clamping jaw installation frame and used for protecting the product clamping jaw.
As a still further scheme of the invention: noise testing arrangement includes the sound-proof box, installs at the sound-proof box door that the sound-proof box is close to transfer station one side, sound-proof box door control mechanism and sensor, product movement testing arrangement drives the product that awaits measuring and gets into the sound-proof box through the sound-proof box door, the switching of sound-proof box door control mechanism control sound-proof box door, the sensor detects the noise intensity of the product that awaits measuring in the sound-proof box.
As a still further scheme of the invention: the electric cabinet is arranged on the equipment rack and controls the work of the noise testing device, the product moving testing device and the double-station automatic product carrying device.
The invention provides another technical scheme that: a performance detection method for an automobile brake caliper adopts any one of the performance detection automation devices, and comprises the following steps:
loading and unloading, namely, conveying the tested product from the test fixture of the transfer station to an unloading station through a double-station product automatic conveying device, and synchronously conveying the product to be tested from the loading station to the test fixture of the transfer station;
the product moving test device drives the test fixture of the transfer station to move to the test station, and the performance of the product to be tested is detected through the test fixture;
and testing the noise, wherein after the noise testing device seals the product to be tested which is moved to the testing station, the noise intensity generated by the performance detection of the product to be tested is tested.
As a further scheme of the invention: the performance test comprises the following steps: positioning a product to be tested through the test fixture, detecting whether the product to be tested conforms to the test fixture or not, and omitting the working procedures or not; and (3) testing the clamping force and the vibration parameter of the product to be tested after clamping and electrifying through the clamping force sensor and the vibration sensor.
Compared with the prior art, the invention has the beneficial effects that: the automatic performance detection equipment for the automobile brake calipers realizes the automation of the performance detection of the automobile brake calipers, reduces the heavy physical labor of workers and greatly improves the labor productivity; the brake calipers after assembly are subjected to automatic performance detection, so that the quality of products is improved, the appearance of the products is qualified after being installed on a vehicle, and the products are prevented from being mistakenly tested; through calliper clamp force test, vibration test, qualified products output is guaranteed in the noise test, ensures that the vehicle performance reaches the design standard.
Drawings
FIG. 1 is a schematic diagram of an explosion structure of an automatic performance testing device for an automobile brake caliper according to an embodiment of the present invention.
FIG. 2 is a schematic structural diagram of an automatic performance testing device for an automobile brake caliper according to an embodiment of the present invention.
FIG. 3 is a schematic front view of an automated performance testing apparatus for an automotive brake caliper according to an embodiment of the present invention.
FIG. 4 is a left side view of an automated performance testing apparatus for an automotive brake caliper in accordance with an embodiment of the present invention.
FIG. 5 is a schematic right view of an automated performance testing apparatus for an automotive brake caliper in accordance with an embodiment of the present invention.
FIG. 6 is a schematic top view of an automated performance testing apparatus for an automotive brake caliper in accordance with an embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a product movement testing apparatus according to an embodiment of the present invention.
Fig. 8 is a schematic structural view of an automatic screw tightening mechanism according to an embodiment of the present invention.
FIG. 9 is a schematic structural diagram of a floating electric screwdriver mechanism according to an embodiment of the present invention.
FIG. 10 is a schematic cross-sectional view of a floating electric screwdriver mechanism according to an embodiment of the present invention.
Fig. 11 is a schematic structural diagram of an automatic double-station product handling device according to an embodiment of the present invention.
Figure 12 is a disassembled schematic view of a product jaw in an embodiment of the present invention.
Fig. 13 is a disassembly view of the clamping force and vibration testing fixture according to the embodiment of the invention.
In the drawings: 100. a product moving test device; 101. a base plate; 102. moving the guide rail set; 1021. a first ball screw linear module; 1022. a linear guide rail I; 1023. a drag chain I; 103. an appearance contour inspection mechanism; 104. a first connector automatic insertion mechanism; 105. a second connector automatic insertion mechanism; 106. a clamping force and vibration test fixture; 107. an automatic screw tightening mechanism; 1071. a five-axis servo moving module; 1072. a mounting frame; 1073. the mounting frame moves the drag chain; 1074. mounting a linear guide rail; 1075. mounting a plate; 1076. servo electric screwdriver; 1077. a floating electric screwdriver component; 10771. a sleeve; 10772. a collar; 10773. an O-shaped ring; 10774. a pin; 10775. a compression spring; 10776. a batching rod; 10777. steel balls; 10778. a mounting ring; 10779. a clamp spring; 10780. a V-shaped groove; 200. a double-station automatic product carrying device; 201. a product jaw; 202. a cam follower assembly; 203. a drag chain II; 204. a second ball screw linear module; 205. a frame body; 206. a linear guide rail II; 207. a jaw mounting bracket; 208. a jaw support; 209. a sliding table cylinder; 210. a parallel clamping jaw cylinder; 211. a linear guide rail III; 212. a proximity switch; 213. a bolt; 214. a spring; 215. briquetting; 300. an equipment rack; 301. the equipment is arranged on the lower rack; 302. the equipment is arranged on a rack; 400. a noise detection device; 401. a sensor mounting bracket; 500. an automatic discharge device; 601. a jig base plate; 602. a clamp force sensor; 603. a clamping plate; 604. locking screws; 605. a lock washer; 606. a clamping ring; 607. a jig positioning plate; 608. a jig mounting base; 609. a product locking screw rod; 610. a deep groove ball bearing; 611. a thrust ball bearing; 612. a screw clamp spring; 613. a limiting ring; 614. a linear bearing; 615. a screw connecting plate; 616. a linear guide rod; 617. a separation spring; 618. a shock sensor.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
Referring to fig. 1-6, in an embodiment of the present invention, an automatic performance testing apparatus for an automobile brake caliper includes: the device comprises an equipment frame, wherein a feeding station, a transfer station and a discharging station are sequentially arranged on the equipment frame, and a testing station is arranged on the side of the transfer station; the product moving testing device is provided with a testing jig, drives the testing jig and a product clamped on the testing jig to move between a transfer station and a testing station, and assists the testing jig in testing the performance of the product to be tested; the double-station automatic product carrying device is used for loading a product to be tested on the loading station onto the test fixture and unloading the tested product on the test fixture onto the unloading station; and the noise testing device is used for sealing the product to be tested which moves to the testing station, and detecting the noise intensity generated by the product to be tested by the testing jig after sealing.
Specifically, an electric cabinet is arranged on the equipment rack, and the electric cabinet controls the work of the noise testing device, the product moving testing device and the double-station automatic product carrying device. The product moving testing device 100 comprises a first ball screw linear module 1021, a bottom plate 101 and a testing jig, wherein the bottom plate is installed on an equipment rack in a sliding mode, and the first ball screw linear module drives the bottom plate to move; the test fixture for detecting the performance of the product to be tested is arranged on the bottom plate; the test fixture is selected as a clamping force and vibration test fixture 106; the product movement test apparatus further includes an automatic screw tightening mechanism 107, an appearance profile inspection mechanism 103, and a plurality of connector automatic insertion mechanisms installed around the clamping force and vibration test jig. The electric cabinet is also communicated with the remote monitoring system and used for transmitting and storing the product test data to the remote monitoring system, and the data is automatically stored, so that the professional quality requirements on operators are reduced.
The detection process of the automatic performance detection equipment for the automobile brake calipers comprises the following steps: after the assembly of the previous station is completed, the product is conveyed to the test fixture by using the double-station automatic product conveying device 200, and then the product is moved to the test station by the product moving and testing device 100; in the moving process, the automatic screw tightening mechanism 107 is used for tightening the product and the test fixture; then the noise testing device acts to enable the product to be in a closed sound insulation environment; then, an appearance contour inspection mechanism is used for scanning the appearance of the product; then the connector is inserted into the product by the automatic connector inserting mechanism and is electrified; the clamping force and vibration test fixture 106 then tests the clamping force performance, vibration frequency and decibel of noise generated by the noise test device; when the test is finished, the qualified product is automatically discharged; when the double-station product moving automatic conveying device conveys a product from the loading station to the test fixture at the transfer station, the tested product on the test fixture at the transfer station is conveyed to the unloading station.
In conclusion, the double-station product moving automatic conveying device can simultaneously convey the product to be tested and the tested product, so that the test time of the product can be greatly saved, and the efficiency is improved. The product moving testing device is combined with the noise testing device to realize the automation of the performance detection of the automobile brake calipers, reduce the heavy physical labor of workers and greatly improve the labor productivity; the brake calipers after assembly are subjected to automatic performance detection, so that the quality of products is improved, the appearance of the products is qualified after being installed on a vehicle, and the products are prevented from being mistakenly tested; through calliper clamp force test, vibration test, qualified products output is guaranteed in the noise test, ensures that the vehicle performance reaches the design standard.
Further, the bottom plate is configured to be mounted on the equipment rack by sliding: the base plate is mounted on the equipment rack through a moving guide rail set 102 consisting of a linear guide rail I1022 and a guide rail slide block I. The cable of the first ball screw linear module 1021 is packaged at the bottom of the bottom plate 101 through a drag chain I1023;
the automatic connector inserting mechanisms are respectively a first automatic connector inserting mechanism 104 and a second automatic connector inserting mechanism 105, the first automatic connector inserting mechanism 104 and the second automatic connector inserting mechanism 105 are both composed of a connector and a connector driving cylinder, and the connector driving cylinder drives the connector to be inserted into an electrifying interface of a motor of a product to supply power to the product. The automatic insertion mechanisms of the connectors are arranged to be compatible with different types and specifications of products, and the compatibility and application range of the performance detection automation equipment are improved.
The equipment rack 300 comprises an equipment lower rack 301 and an equipment upper rack 302, and the double-station product moving automatic handling device is arranged between the equipment upper rack 302 or the equipment upper rack 302 and the noise testing device; the feeding station, the transfer station and the discharging station are sequentially arranged at one end, close to the upper equipment frame 302, of the lower equipment frame 301, the lower equipment frame 301 is packaged through the upper equipment frame 302, and the noise testing device is installed at one end, far away from the upper equipment frame 302, of the lower equipment frame 301.
In addition, the blanking station is provided with an automatic discharging device 500 for discharging the measured products of the blanking station.
Specifically, the automatic discharging device 500 includes a proximity sensor and a push-rod-free cylinder, which are installed at a discharging station, and when the double-station product moving automatic handling device carries a product tested on a test fixture at a transfer station to the discharging station, the proximity sensor is responsible for detecting whether the product is placed at an output end of the push-rod-free cylinder and detecting whether the product is discharged; the push-rod-free air cylinder is used for pushing out the product, and after the product is pushed out, the product is manually put into the packing box and then is transported away. The automation of the test is further realized.
Referring to fig. 7-10, in a preferred embodiment of the present invention, the automatic screw tightening mechanism 107 includes a five-axis servo moving module 1071 and a floating electric screwdriver 1077, the movable end of the five-axis servo moving module 1071 has at least three mutually perpendicular degrees of freedom compared to the fixed end, the fixed end of the five-axis servo moving module is slidably mounted on the base plate 101, the floating electric screwdriver 1076 is mounted on the movable end of the five-axis servo moving module, and the floating electric screwdriver 1076 is used for adjusting the torque force of the screw of the product to be measured.
Five servo moving module 1071 includes X axle moving member, Y axle moving member and Z axle moving member, X axle moving member is including installing mounting panel linear guide 1074 and the mounting panel 1075 of slidable mounting on mounting panel linear guide 1074 on the bottom plate, Y axle moving member is including installing Y axle linear guide and the Y axle guide slider of slidable mounting on Y axle linear guide on the mounting panel, Z axle moving member includes Z axle linear guide and slidable mounting bracket 1072 on Z axle linear guide, unsteady electric batch subassembly 1077 and mounting bracket removal tow chain 1073 are installed respectively to mounting bracket 1072's both sides, mounting bracket removal tow chain 1073 are used for encapsulating five servo moving module 1071 relevant cable and electric elements. Five servo moving module 1071 is responsible for driving the unsteady electricity and criticizes subassembly 1077 and realizes high-speed the removal, because five servo moving module 1071 has the degree of freedom of a plurality of directions, consequently, the characteristics of the adaptable different products of unsteady electricity of criticizing subassembly 1077 realize the flexible production.
Further, the floating electric screwdriver component 1077 comprises a servo electric screwdriver 1076, a screwdriver rod 10776, a sleeve 10771 and a connecting piece, wherein the servo electric screwdriver 1076 is installed at the movable end of the five-axis servo moving module, one end of the screwdriver rod is flexibly connected with the servo electric screwdriver, the other end of the screwdriver rod is connected with the sleeve 10771 through the connecting piece, the servo electric screwdriver 1076 drives the sleeve 10771 to screw a screw on a product, namely, a screw on a brake caliper, and the torsion of the screw is ensured to be within the range required by the design standard;
referring to fig. 9 and 10, in a preferred embodiment of the present invention, the connecting member includes a collar 10772, an O-ring 10773, a pin 10774, a compression spring 10775, a steel ball 10777, a mounting ring 10778, a snap spring 10779, and a V-shaped groove 10780.
The steel ball 10777 is embedded in the batch rod 10776 to realize flexible connection with the servo electric batch 1076, and the batch rod 10776 can realize quick locking and quick disassembly; the mounting ring 10778 is mounted on the batch rod 10776 through a snap spring 10779, a V-shaped groove 10780 is processed on the mounting ring 10778, the sleeve 10771 is inserted into the batch rod 10776, a lantern ring 10772 is mounted between the sleeve 10771 and the batch rod 10776, and the mounting accuracy of the sleeve 10771 and the batch rod 10776 is maintained; the pin 10774 is inserted into the V-groove 10780, so that the sleeve 10771 is slidably connected to the rod 10776, the pin 10774 is fixed by the O-ring 10773, the compression spring 10775 is installed on the outer circumference of the mounting ring 10778, and the pin 10774 and the sleeve 10771 are elastically supported.
Therefore, the sleeve 10771 and the batch rod 10776 can be quickly installed and connected, and are convenient to disassemble and assemble; by utilizing the compression spring, the buffer effect on the sleeve 10771 is realized, the hard abrasion of the sleeve 10771 on a screw is avoided, and the automatic displacement compensation function is realized, because the sleeve 10771 is in sliding connection with the screwdriver 10776, the sleeve 10771 can float relatively, and the automatic displacement compensation device has the function of screwing overload protection, thereby protecting a threaded hole of a product and preventing the servo screwdriver from being locked and rotated to cause damage.
Referring to fig. 1 and 13, in another embodiment of the present invention, the clamping force and vibration testing jig includes a jig base plate 601, a jig positioning plate 607 and a jig mounting seat 608 mounted on the jig base plate 601, a gap is left between the jig positioning plate 607 and the jig mounting seat 608 to form a product positioning portion, a clamping plate 603 is mounted on one side of the jig positioning plate 607 away from the jig mounting seat 608 through a locking screw 604 and a locking washer 605, and a clamping force sensor 602 is disposed between the clamping plate 603 and the jig positioning plate 607; a product locking screw 609 and a vibration sensor 618 are installed on one side of the jig mounting seat 608 away from the jig positioning plate 607. The jig positioning plate 607 is used for positioning a product, and the product locking screw 609 is used for locking the product and the test jig when the product is subjected to a performance test.
The product locking screw 609 is arranged on one side of the jig mounting seat 608 far away from the jig positioning plate 607 through a screw mounting plate and is guided through a linear guide rod 616; a deep groove ball bearing 610 and a thrust ball bearing 611 are arranged between the screw mounting plate and the product locking screw 609 and are fixed through a screw clamp spring 612; the linear guide rod 616 and the screw rod connecting plate 615 matched with the linear guide rod 616 are movably arranged on one side of the jig mounting seat 608 far away from the jig positioning plate 607; the screw connection plate 615 is mounted on a linear guide 616 via a linear bearing 614 and is constrained by a stop collar 613. The stroke of the product locking screw 609 after being loosened is adjusted by adjusting the limit ring 613.
The clamp force sensor 602 is constrained by the clamp ring 606, and detects the clamp force parameter of the product through the clamp force sensor and detects the vibration parameter of the product during the power-on process through the vibration sensor.
Further, a separation spring 617 is arranged between the jig mounting seat and the screw connecting plate, and is used for automatically springing open the product after the product locking screw 609 releases the locking of the product, so that the product is unloaded from the test jig.
In addition, the bottom of the test fixture is attached with a shockproof rubber pad for reducing or eliminating the shock generated by the movement of the test fixture driven by the product movement test device 100.
Referring to fig. 1, 11 and 12, in a preferred embodiment of the present invention, the double-station automatic product handling device 200 includes a second ball screw linear module 204, product jaws 201 and a rack body 205, the two product jaws 201 are respectively slidably mounted on the rack body 205, the rack body 205 is mounted on an equipment rack 300, and the second ball screw linear module 204 drives the two product jaws to move synchronously.
Specifically, the product clamping jaw 201 is mounted on a clamping jaw mounting rack 207 through a bolt 213, the clamping jaw mounting rack 207 is mounted on a sliding table cylinder 209 through a clamping jaw support 208, and the sliding table cylinder 209 is mounted on the rack body 205; the rack body 205 is mounted on an equipment rack 300. And the connecting cable of the sliding table cylinder 209 and the second ball screw linear module 204 is arranged on the frame body 205 through a drag chain II203 and is used for protecting the connecting cable of the sliding table cylinder 209 and the second ball screw linear module 204. The provision of the latch 213 facilitates quick replacement of the product jaw 201.
Further, a linear guide rail II206 is arranged on the clamping jaw support 208, the clamping jaw mounting rack 207 is connected with the linear guide rail II206 in a sliding manner, and two parallel clamping jaw cylinders 210 are oppositely arranged on each clamping jaw support 208; the parallel clamping jaw cylinder 210 drives the clamping jaw mounting rack 207 and the product clamping jaw 201 to move on the linear guide rail II206, and the product is clamped and released by matching with the sliding table cylinder 209.
Further, a pressing block 215 is installed at the bottom of the clamping jaw support 208 through a spring 214, and when a product on the product clamping jaw 201 is conveyed to a test fixture, the product is pressed through the pressing block 215, so that the product is accurately and reliably positioned; preferably, the clamping jaw support 208 is provided with a proximity switch 212, the proximity switch 212 is used for detecting the matching between the product clamping jaw 201 and a product, and when the product clamping jaw 201 is not matched with the product, the proximity switch 212 sends an error signal to remind an operator to replace the product clamping jaw 201. A cam follower assembly 202 is mounted between the product jaws 201 and the jaw mounting bracket 207 for protecting the product jaws 201.
It should be noted that the second ball screw linear module has the same structure as the first ball screw linear module, and the second ball screw linear module at least comprises a ball screw, a servo motor, a cylinder body and a dustproof steel belt and is used for driving the product clamping jaw to move rapidly so as to carry the product to be measured and the measured product.
Referring to fig. 1, in another embodiment of the present invention, the noise testing device 400 includes a sound-proof box, a sound-proof box door installed on one side of the sound-proof box near the transfer station, a sound-proof box door control mechanism and a sensor, the product moving testing device drives a product to be tested to enter the sound-proof box through the sound-proof box door, the sound-proof box door control mechanism controls opening and closing of the sound-proof box door, and the sensor detects noise intensity of the product to be tested in the sound-proof box.
Specifically, the control mechanism of the sound insulation box door comprises a lifting cylinder and a pressing block, wherein the lifting cylinder drives the sound insulation box door to ascend to open the sound insulation box door on the side of the sound insulation box, so that the product moving test device can drive a product to be tested to enter the sound insulation box through the sound insulation box door; the lift cylinder drive sound insulation chamber door descends, closes the sound insulation chamber door of sound insulation chamber side to compact tightly the sound insulation chamber door through the compact heap of lift cylinder output installation, improve the seal of sound insulation chamber door. The sensor adopts the noise detector, the noise detector passes through sensor mounting frame 401 to be installed on the sound-proof box for detect the noise intensity of the product that awaits measuring in the sound-proof box.
And (3) noise detection process: in a sound insulation box with the isolated noise level below 45.7dB and in a state that electric elements of all parts are closed, the automatic connector insertion mechanism conducts electricity on a motor of a product for 10 seconds or less, and a noise detector automatically detects the noise value generated in the electricity conduction process of the product.
Referring to fig. 1, in another embodiment of the present invention, a performance testing method for an automobile brake caliper, which uses any one of the above performance testing automation devices, includes the following steps: loading and unloading, namely, conveying the tested product from the test fixture of the transfer station to an unloading station through a double-station product automatic conveying device, and synchronously conveying the product to be tested from the loading station to the test fixture of the transfer station; the product moving test device drives the test fixture of the transfer station to move to the test station, and the performance of the product to be tested is detected through the test fixture; and testing the noise, wherein after the noise testing device seals the product to be tested which is moved to the testing station, the noise intensity generated by the performance detection of the product to be tested is tested.
The performance test comprises the following steps: positioning a product to be tested through the test fixture, detecting whether the product to be tested conforms to the test fixture or not, and omitting the working procedures or not; and (3) testing the clamping force and the vibration parameter of the product to be tested after clamping and electrifying through the clamping force sensor and the vibration sensor.
The specific performance detection method comprises the following steps: after feeding and discharging, the error product fool-proof detection aspect: when the product is placed into the test fixture, the test fixture accurately positions the product; the two-dimensional code sensor that is equipped with through test fixture gathers the product on one's body the two-dimensional code, detects whether the product is put by mistake to and the process neglected loading of product. And (3) appearance detection: through appearance inspection gauge (the gauge designs the appearance according to the product drawing), revolving stage to and the camera can carry out mechanical type scanning to the product, and the overall dimension when guaranteeing the product equipment accords with the product design drawing requirement, prevents simultaneously that the product of puting in is the mistake article. In the aspect of clamping force inspection and test: on the automatic test fixture of putting into of product, automatic screw tightening mechanism screwed up fixedly product and test fixture, guaranteed that the product laminates the clamp force completely and shakes test fixture, and the automatic insertion mechanism of connector is switched on for 10 seconds below to the motor of product, detects whether the clamp force performance of product accords with the designing requirement through high accuracy clamp force sensor. In the aspect of vibration detection: when the product is automatically placed on the clamping force and vibration testing jig, the automatic insertion mechanism of the connector energizes the motor of the product for less than 10 seconds, and the high-precision vibration sensor detects whether the vibration frequency of the product in the energizing process meets the design requirements. The bottom of the test fixture is attached with a shockproof rubber pad which is used for isolating the vibration generated in the motion process of the test fixture and the performance detection automation equipment. Noise detection aspect: in a sound insulation box with the isolated noise level below 45.7dB and under the state that the electric elements of each part are closed, the automatic insertion mechanism of the connector conducts electricity on a motor of a product for less than 10 seconds, and a noise sensor of a noise detection device automatically detects the noise value generated in the electricity conduction process of the product.
The working principle of the invention is as follows: the product moving testing device 100 comprises a first ball screw linear module 1021, a bottom plate 101 and a testing jig, wherein the bottom plate is installed on an equipment rack in a sliding mode, and the first ball screw linear module drives the bottom plate to move; the test fixture for detecting the product performance is arranged on the bottom plate; the test fixture is selected as a clamping force and vibration test fixture 106; the product movement test apparatus further includes an automatic screw tightening mechanism 107, an appearance profile inspection mechanism 103, and a plurality of connector automatic insertion mechanisms installed around the clamping force and vibration test jig. After the assembly of the previous station is completed, the product is conveyed to the test fixture by using the double-station automatic product conveying device 200, and then the product is moved to the test station by the product moving and testing device 100; in the moving process, the automatic screw tightening mechanism 107 is used for tightening the product and the test fixture; then the noise testing device acts to enable the product to be in a closed sound insulation environment; then, an appearance contour inspection mechanism is used for scanning the appearance of the product; then the connector is inserted into the product by the automatic connector inserting mechanism and is electrified; the clamping force and vibration test fixture 106 then tests the clamping force and vibration parameters of the product, and the noise test device tests the intensity of the generated noise; and when the test is finished, the qualified product is automatically discharged.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (15)
1. A performance detection automation device for an automobile brake caliper, comprising:
the device comprises an equipment frame, wherein a feeding station, a transfer station and a discharging station are sequentially arranged on the equipment frame, and a testing station is arranged on the side of the transfer station;
the product moving testing device is provided with a testing jig, drives the testing jig and a product clamped on the testing jig to move between a transfer station and a testing station, and assists the testing jig in testing the performance of the product to be tested;
the double-station automatic product carrying device is used for loading a product to be tested on the loading station onto the test fixture and unloading the tested product on the test fixture onto the unloading station; and
and the noise testing device is used for sealing the product to be tested which moves to the testing station, and detecting the noise intensity generated by the sealed product to be tested by the testing jig.
2. The automatic performance testing equipment for automobile brake calipers according to claim 1, wherein the blanking station is provided with an automatic discharging device for discharging tested products of the blanking station.
3. The automatic performance testing equipment for automobile brake calipers according to claim 1, wherein the product movement testing device comprises a first ball screw linear module, a bottom plate, a clamping force and vibration testing jig, wherein the bottom plate is slidably mounted on an equipment frame, and the first ball screw linear module drives the bottom plate to move; the clamping force and vibration test fixture for detecting the performance of the product to be tested is arranged on the bottom plate.
4. The automatic performance testing apparatus for brake calipers of claim 3, wherein the product movement testing device further comprises an automatic screw tightening mechanism, an appearance profile inspection mechanism and a plurality of connector automatic insertion mechanisms installed around the clamping force and shock testing jig.
5. The automatic performance testing equipment for automobile brake calipers according to claim 4, wherein the automatic screw tightening mechanism comprises a five-axis servo moving module and a floating electric screwdriver assembly, the movable end of the five-axis servo moving module has at least three mutually perpendicular degrees of freedom compared with the fixed end, the fixed end of the five-axis servo moving module is slidably mounted on the bottom plate, the floating electric screwdriver assembly is mounted at the movable end of the five-axis servo moving module, and the floating electric screwdriver assembly is used for adjusting the torsion of a screw of a product to be tested.
6. The automatic performance testing equipment for automobile brake calipers according to claim 5, wherein the floating electric screwdriver component comprises a servo electric screwdriver, a screwdriver rod, a sleeve and a connecting piece, the servo electric screwdriver is installed at the movable end of the five-axis servo moving module, one end of the screwdriver rod is flexibly connected with the servo electric screwdriver, and the other end of the screwdriver rod is connected with the sleeve through the connecting piece.
7. The automatic performance testing equipment for the automobile brake calipers according to claim 3, wherein the clamping force and vibration testing jig comprises a jig bottom plate, a jig positioning plate and a jig mounting seat, the jig positioning plate and the jig mounting seat are mounted on the jig bottom plate, a gap is left between the jig positioning plate and the jig mounting seat to form a product positioning portion, a clamping plate is mounted on one side, away from the jig mounting seat, of the jig positioning plate through a locking screw, and a clamping force sensor is arranged between the clamping plate and the jig positioning plate; and a product locking screw and a vibration sensor are installed on one side, away from the jig positioning plate, of the jig mounting seat.
8. The automatic performance testing equipment for automobile brake calipers according to claim 7, wherein the product locking screw is movably mounted on one side of the jig mounting seat away from the jig positioning plate through a linear guide rod and a screw connecting plate matched with the linear guide rod.
9. The automatic performance detection equipment for automobile brake calipers according to claim 8, wherein a separation spring is arranged between the jig mounting seat and the screw connecting plate and used for unloading the product after the product locking screw releases the locking of the product.
10. The automatic performance testing equipment for automobile brake calipers according to claim 1, wherein the double-station automatic product handling device comprises a second ball screw linear module, two product clamping jaws and a rack body, the two product clamping jaws are respectively slidably mounted on the rack body, the rack body is mounted on an equipment rack, and the second ball screw linear module drives the two product clamping jaws to move synchronously.
11. The automatic performance detection equipment for automobile brake calipers according to claim 1, wherein the product clamping jaw is mounted on a clamping jaw mounting bracket, the clamping jaw mounting bracket is mounted on a sliding table cylinder through a clamping jaw support, and the sliding table cylinder is mounted on the rack body.
12. The automated performance testing apparatus for automobile brake calipers according to claim 11, wherein a cam follower assembly is mounted between the product jaw and the jaw mounting bracket for protecting the product jaw.
13. The automatic performance testing equipment for the automobile brake calipers according to claim 1, wherein the noise testing device comprises a sound insulation box, a sound insulation box door installed on one side, close to the transfer station, of the sound insulation box, a sound insulation box door control mechanism and a sensor, the product moving testing device drives a product to be tested to enter the sound insulation box through the sound insulation box door, the sound insulation box door control mechanism controls opening and closing of the sound insulation box door, and the sensor detects noise intensity of the product to be tested in the sound insulation box.
14. A performance testing method for an automotive brake caliper, characterized in that the performance testing automation device according to any one of claims 1 to 13 is used, comprising the following steps:
loading and unloading, namely, conveying the tested product from the test fixture of the transfer station to an unloading station through a double-station product automatic conveying device, and synchronously conveying the product to be tested from the loading station to the test fixture of the transfer station;
the product moving test device drives the test fixture of the transfer station to move to the test station, and the performance of the product to be tested is detected through the test fixture;
and testing the noise, wherein after the noise testing device seals the product to be tested which is moved to the testing station, the noise intensity generated by the performance detection of the product to be tested is tested.
15. The method for detecting the performance of an automobile brake caliper according to claim 14, wherein the performance test comprises: positioning a product to be tested through the test fixture, detecting whether the product to be tested conforms to the test fixture or not, and omitting the working procedures or not; and (3) testing the clamping force and the vibration parameter of the product to be tested after clamping and electrifying through the clamping force sensor and the vibration sensor.
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