CN112985833B - Performance detection automation equipment and method for automobile brake calipers - Google Patents
Performance detection automation equipment and method for automobile brake calipers Download PDFInfo
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- CN112985833B CN112985833B CN202110198539.2A CN202110198539A CN112985833B CN 112985833 B CN112985833 B CN 112985833B CN 202110198539 A CN202110198539 A CN 202110198539A CN 112985833 B CN112985833 B CN 112985833B
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- 238000001514 detection method Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000012360 testing method Methods 0.000 claims abstract description 181
- 238000007599 discharging Methods 0.000 claims abstract description 31
- 238000012546 transfer Methods 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims description 49
- 238000009413 insulation Methods 0.000 claims description 36
- 238000011056 performance test Methods 0.000 claims description 26
- 238000007667 floating Methods 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 4
- 230000035939 shock Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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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
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked 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
- G01M13/00—Testing of machine parts
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Abstract
The invention relates to the field of automatic detection equipment, in particular to performance detection automatic equipment and a method for an automobile brake caliper, wherein the performance detection automatic equipment comprises the following components: the device comprises an equipment rack, wherein a feeding station, a transfer station and a discharging station are sequentially arranged on the equipment rack, and a testing station is arranged on the side of the transfer station; the product movement testing device is provided with a testing jig, drives the testing jig and a product clamped on the testing jig to move between the transfer station and the testing station, and assists the testing jig to test the performance of the product to be tested; the double-station automatic product conveying device is used for loading the product to be tested of the feeding station onto the test fixture and unloading the tested product on the test fixture to the discharging station; noise testing device. The beneficial effects of the invention are as follows: 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 staff.
Description
Technical Field
The invention relates to the field of automatic detection equipment, in particular to performance detection automatic equipment and method for an automobile brake caliper.
Background
With the development of control technology and sensor technology, the application of automatic detection equipment is also becoming more and more widespread, and on the automobile automation production line, layout automatic appearance detection equipment detects the appearance of a product, which is already a mature technology. The automatic appearance detection device is an automatic device for detecting the appearance of a product, and the appearance detection generally detects surface scratches, cracks, defects, pits and the like, and the automatic detection device and technology for detecting the performance of the product are also gradually maturing.
At present, on the market, an automobile calliper detecting machine is used for manually putting a product on a detecting jig for detection, the automation degree is low, and the professional requirements of first-line skilled workers are high. In the actual production process of an automobile factory, because the weight of the brake caliper is heavy and the daily average yield is high, a plurality of troublesome problems are frequently encountered, such as high production load, fatigue and low efficiency of first-line workers; the assembled product is not tested and is not installed; the quality problem of products when shipment is affected by incorrect sequence of workers during operation.
An automatic detection device is needed to be designed, so that the problem of low production efficiency at present can be well solved, and the production efficiency is high and the cost is low.
Disclosure of Invention
The invention aims to provide an automatic performance detection device and method for an automobile brake caliper, so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a performance test automation device for an automotive brake caliper, comprising:
the device comprises an equipment rack, wherein a feeding station, a transfer station and a discharging station are sequentially arranged on the equipment rack, and a testing station is arranged on the side of the transfer station;
the product movement testing device is provided with a testing jig, drives the testing jig and a product clamped on the testing jig to move between the transfer station and the testing station, and assists the testing jig to test the performance of the product to be tested;
the double-station automatic product conveying device is used for loading the product to be tested of the feeding station onto the test fixture and unloading the tested product on the test fixture to the discharging 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.
As a further scheme of the invention: the automatic discharging device is arranged at the discharging station and is used for discharging the tested products of the discharging station.
As still further aspects of the invention: the product movement testing device comprises a first ball screw linear module, a bottom plate, a clamping force and a vibration testing jig, wherein the bottom plate is arranged on the equipment rack in a sliding manner, and the first ball screw linear module drives the bottom plate to move; the clamping force and vibration testing jig for detecting the performance of the product to be tested is arranged on the bottom plate.
As still further aspects of the invention: the product movement testing device further comprises an automatic screw tightening mechanism, an appearance contour checking mechanism and a plurality of connector automatic inserting mechanisms, wherein the automatic screw tightening mechanism, the appearance contour checking mechanism and the plurality of connector automatic inserting mechanisms are installed around the clamping force and vibration testing jig.
As still further aspects of the invention: the automatic screw tightening mechanism comprises a five-axis servo moving module and a floating electric batch assembly, wherein the movable end of the five-axis servo moving module is at least provided with three degrees of freedom perpendicular to each other compared with the fixed end, the fixed end of the five-axis servo moving module is slidably mounted on a bottom plate, the floating electric batch assembly is mounted at the movable end of the five-axis servo moving module, and the floating electric batch assembly is used for adjusting the torque force of a screw of a product to be tested.
As still further aspects of the invention: the floating electric batch assembly comprises a servo electric batch, a batch rod, a sleeve and a connecting piece, wherein the servo electric batch is arranged at the movable end of the five-axis servo moving module, one end of the batch rod is flexibly connected with the servo electric batch, and the other end of the batch rod is connected with the sleeve through the connecting piece.
As still further aspects 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 arranged on the jig bottom plate, a gap is reserved between the jig positioning plate and the jig mounting seat to form a product positioning part, one side, far away from the jig mounting seat, of the jig positioning plate is provided with a clamping plate through a locking screw, and a clamping force sensor is arranged between the clamping plate and the jig positioning plate; and one side, far away from the jig locating plate, of the jig mounting seat is provided with a product locking screw and a vibration sensor.
As still further aspects of the invention: the product locking screw is movably arranged on one side of the jig mounting seat far away from the jig locating plate through a linear guide rod and a screw connecting plate matched with the linear guide rod.
As still further aspects of the invention: and a separating spring is arranged between the jig mounting seat and the screw connecting plate and used for unloading the product after the locking of the product is released by the product locking screw.
As still further aspects of the invention: the automatic double-station product conveying device comprises a second ball screw linear module, two product clamping jaws and a frame body, wherein the two product clamping jaws are respectively and slidably installed on the frame body, the frame body is installed on an equipment frame, and the second ball screw linear module drives the two product clamping jaws to synchronously move.
As still further aspects of the invention: the product clamping jaw is installed on the clamping jaw mounting frame, the clamping jaw mounting frame is installed on the sliding table cylinder through the clamping jaw support, and the sliding table cylinder is installed on the frame body.
As still further aspects of the invention: and a cam follower assembly is arranged between the product clamping jaw and the clamping jaw mounting frame and is used for protecting the product clamping jaw.
As still further aspects of the invention: the noise testing device comprises a sound insulation box, a sound insulation box door control mechanism and a sensor, wherein the sound insulation box door, the sound insulation box door control mechanism and the sensor are installed on one side, close to a transfer station, of the sound insulation box, the product movement 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 the opening and closing of the sound insulation box door, and the sensor detects the noise intensity of the product to be tested in the sound insulation box.
As still further aspects of the invention: the equipment rack is provided with an electric cabinet, and the electric cabinet controls the work of the noise testing device, the product movement testing device and the double-station product automatic carrying device.
The invention provides another technical scheme that: a performance test method for an automotive brake caliper, employing the performance test automation device as described in any one of the above, comprising the steps of:
feeding and discharging, namely conveying the tested product from a test jig of a transfer station to a discharging station through a double-station automatic product conveying device, and synchronously conveying the product to be tested from the feeding station to the test jig of the transfer station;
the performance test device drives the test jig of the transfer station to move to the test station, and the performance of the product to be tested is detected through the test jig;
and after the noise testing device seals the product to be tested which is moved to the testing station, testing the noise intensity generated by the performance detection of the product to be tested.
As a further scheme of the invention: the performance test comprises the following steps: positioning a product to be tested through the test jig, detecting whether the product to be tested accords with the test jig or not, and missing a procedure or not; and testing the clamping force and vibration parameters 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 staff and greatly improves the labor productivity; the brake caliper after assembly is subjected to automatic performance detection, so that the quality of a product is improved, the appearance of the product is ensured to be detected to be qualified before the product is mounted on a vehicle, and false products are prevented; through calliper clamping force test, vibration test, noise test guarantees the output of conforming article, ensures that vehicle performance reaches design standard.
Drawings
FIG. 1 is a schematic diagram of an exploded structure of an automated performance test apparatus for an automotive brake caliper in accordance with an embodiment of the present invention.
FIG. 2 is a schematic diagram of an embodiment of an automated performance test apparatus for an automotive brake caliper.
Fig. 3 is a schematic front view of an apparatus for automating performance testing of an automotive brake caliper according to an embodiment of the present invention.
FIG. 4 is a schematic left-hand view of an automated performance test apparatus for an automotive brake caliper in accordance with an embodiment of the present invention.
FIG. 5 is a schematic right-side view of an automated performance test 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 test 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 device according to an embodiment of the 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 view of a floating electric power supply mechanism according to an embodiment of the present invention.
FIG. 10 is a schematic cross-sectional view of a floating electric batch mechanism according to an embodiment of the present invention.
Fig. 11 is a schematic structural diagram of an automatic dual-station product handling device according to an embodiment of the present invention.
Fig. 12 is a schematic view illustrating the disassembly of the product jaw according to the embodiment of the invention.
Fig. 13 is a schematic diagram illustrating disassembly of the clamping force and vibration test fixture according to an embodiment of the invention.
In the accompanying drawings: 100. a product movement testing device; 101. a bottom plate; 102. a moving guide rail group; 1021. a first ball screw linear module; 1022. a linear guide rail I; 1023. drag chain I; 103. appearance outline checking means; 104. a first connector automatic insertion mechanism; 105. a second connector automatic insertion mechanism; 106. 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. a mounting plate linear guide rail; 1075. a mounting plate; 1076. servo electric batch; 1077. a floating electric screwdriver component; 10771. a sleeve; 10772. a collar; 10773. an O-ring; 10774. a pin; 10775. a compression spring; 10776. rod-cutting; 10777. steel balls; 10778. a mounting ring; 10779. clamping springs; 10780. a V-shaped groove; 200. automatic double-station product carrying device; 201. a product jaw; 202. a cam follower assembly; 203. drag chain II; 204. a second ball screw linear module; 205. a frame body; 206. a linear guide rail II; 207. clamping jaw mounting frame; 208. a jaw support; 209. a slipway cylinder; 210. a parallel clamping jaw cylinder; 211. a linear guide III; 212. a proximity switch; 213. a plug pin; 214. a spring; 215. briquetting; 300. an equipment rack; 301. a lower machine frame of the equipment; 302. an equipment upper rack; 400. a noise detection device; 401. a sensor mounting rack; 500. an automatic discharging device; 601. a jig bottom plate; 602. a clamp force sensor; 603. a clamping plate; 604. locking a screw; 605. a lock washer; 606. a clamping ring; 607. a jig positioning plate; 608. a jig mounting seat; 609. a product locking screw; 610. deep groove ball bearings; 611. a thrust ball bearing; 612. 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 vibration sensor.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present embodiments disclosed herein as detailed in the accompanying claims.
Referring to fig. 1-6, in an embodiment of the present invention, an apparatus for detecting performance of a brake caliper of an automobile includes: the device comprises an equipment rack, wherein a feeding station, a transfer station and a discharging station are sequentially arranged on the equipment rack, and a testing station is arranged on the side of the transfer station; the product movement testing device is provided with a testing jig, drives the testing jig and a product clamped on the testing jig to move between the transfer station and the testing station, and assists the testing jig to test the performance of the product to be tested; the double-station automatic product conveying device is used for loading the product to be tested of the feeding station onto the test fixture and unloading the tested product on the test fixture to the discharging 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, be equipped with the electric cabinet in the equipment frame, electric cabinet control noise testing arrangement, product remove testing arrangement, the work of the automatic handling device of duplex position product. The product movement testing device 100 comprises a first ball screw linear module 1021, a bottom plate 101 and a testing jig, wherein the bottom plate is arranged on an equipment rack in a sliding manner, and the first ball screw linear module drives the bottom plate to move; the test jig for detecting the performance of the product to be tested is arranged on the bottom plate; the test jig is a clamping force and vibration test jig 106; the product movement testing device further includes an automatic screw tightening mechanism 107, an appearance profile inspection mechanism 103, and a plurality of connector automatic insertion mechanisms mounted around the clamping force and vibration testing 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 performance detection automation equipment for the automobile brake caliper comprises the following steps: after the assembly of the previous station is completed, the product is carried to the testing jig by utilizing the double-station automatic product carrying device 200, and then the product moving testing device 100 moves the product to the testing station; during the movement, the product and the test fixture are screwed up by the automatic screw tightening mechanism 107; then the noise testing device acts to enable the product to be in a sealed and sound-insulating environment; then, the appearance contour checking mechanism is utilized to carry out appearance scanning on the product; then the connector is inserted into the product by the automatic connector inserting mechanism, and the power is supplied; the clamping force and vibration test fixture 106 then tests the clamping force performance, vibration frequency, and noise test device tests the decibels of the generated noise; after the test is finished, the qualified products are automatically discharged; when the double-station product moving automatic conveying device conveys products from the feeding station to the testing jig at the transfer station, the tested products on the testing jig at the transfer station are conveyed to the discharging station.
In summary, the double-station product moving automatic carrying device carries the product to be tested and the tested product at the same time, so that the testing time of the product can be greatly saved, and the efficiency is improved. The product movement testing device is combined with the noise testing device to realize the automation of the performance detection of the automobile brake caliper, so that the heavy physical labor of staff is reduced, and the labor productivity is greatly improved; the brake caliper after assembly is subjected to automatic performance detection, so that the quality of a product is improved, the appearance of the product is ensured to be detected to be qualified before the product is mounted on a vehicle, and false products are prevented; through calliper clamping force test, vibration test, noise test guarantees the output of conforming article, ensures that vehicle performance reaches design standard.
Further, the base plate is configured to be slidably mounted on the equipment rack: the base plate is mounted on the equipment rack by a moving guide rail set 102 consisting of a linear guide rail I1022 and a guide rail slider I. The cable of the first ball screw linear module 1021 is encapsulated 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 respectively composed of a connector and a connector driving cylinder, and the connector driving cylinder drives the connector to be inserted into an energizing interface of a motor of a product to supply power for the product. The automatic inserting mechanism of the connectors is arranged to be compatible with different types and specifications of products, and 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 conveying device is arranged between the equipment upper rack 302 or the equipment upper rack 302 and the noise testing device; the feeding station, the transferring station and the discharging station are sequentially arranged at one end of the lower equipment rack 301, which is close to the upper equipment rack 302, and are packaged through the upper equipment rack 302, and a noise testing device is arranged at one end of the lower equipment rack 301, which is far away from the upper equipment rack 302.
In addition, the discharging station is provided with an automatic discharging device 500 for discharging the tested product of the discharging station.
Specifically, the automatic discharging device 500 includes a proximity sensor and a push rod-free cylinder installed at the discharging station, and when the dual-station product moving automatic conveying device conveys the tested product on the testing fixture at the transferring station to the discharging station, the proximity sensor is responsible for detecting whether the product is placed at the output end of the push rod-free cylinder or not, and detecting whether the product is discharged or not; the push rod-free air cylinder is responsible for pushing out the product, and after the product is pushed out, the product is manually placed into the discharging container and then transported away. Further realizing the automation of the test.
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 component 1077, wherein the movable end of the five-axis servo moving module 1071 has at least three degrees of freedom perpendicular to each other 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 component 1076 is mounted on the movable end of the five-axis servo moving module, and the floating electric screwdriver component 1076 is used for adjusting the torque force of the screw of the product to be tested.
Five servo removal module 1071 includes X axle moving member, Y axle moving member and Z axle moving member, X axle moving member is including installing the mounting panel linear guide 1074 on the bottom plate and the mounting panel 1075 of slidable mounting on mounting panel linear guide 1074, Y axle moving member is including installing Y axle linear guide on the mounting panel and slidable mounting Y axle guide slider on Y axle linear guide, Z axle moving member includes Z axle linear guide and slidable mounting bracket 1072 on Z axle linear guide, floating electric batch subassembly 1077 and mounting bracket removal drag chain 1073 are installed respectively to the both sides of mounting bracket 1072, mounting bracket removal drag chain 1073 is used for encapsulation five servo removal module 1071 relevant cable and electrical component. The five-axis servo moving module 1071 is responsible for driving the floating electric batch component 1077 to move at a high speed, and the five-axis servo moving module 1071 has multiple degrees of freedom, so that the floating electric batch component 1077 can adapt to the characteristics of different products to realize 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 arranged 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 the screw on the product, namely, the screw on the brake caliper is screwed, and the torque force 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 connector comprises a collar 10772, an O-ring 10773, a pin 10774, a compression spring 10775, steel balls 10777, a mounting ring 10778, a snap spring 10779, and a V-groove 10780.
The steel balls 10777 are embedded on 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 clamp spring 10779, a V-shaped groove 10780 is formed in the mounting ring 10778, a sleeve 10771 is inserted into the batch rod 10776, a collar 10772 is mounted between the sleeve 10771 and the batch rod 10776, and the mounting precision of the sleeve 10771 and the batch rod 10776 is kept; the pin 10774 is then inserted into the V-groove 10780 such that the sleeve 10771 is slidably connected to the rod 10776 and the pin 10774 is secured by the O-ring 10773, and the compression spring 10775, the resilient support pin 10774 and the sleeve 10771 are mounted on the outer circumference of the mounting ring 10778.
Therefore, the sleeve 10771 and the batch rod 10776 can be quickly installed and connected, and the disassembly and assembly are convenient; the sleeve 10771 can be relatively floated and has the function of tightening overload protection due to the sliding connection of the sleeve 10771 and the batch rod 10776, thereby protecting the threaded hole of a product and preventing the servo electric batch from blocking and damaging.
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 product positioning portion is formed by leaving a gap between the jig positioning plate 607 and the jig mounting seat 608, a clamping plate 603 is mounted on a 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 mounted on the side of the jig mounting seat 608 away from the jig positioning plate 607. The jig positioning plate 607 is used for positioning the product, and the product locking screw 609 is used for locking the product and the test jig when the product is subjected to 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 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 through a linear bearing 614 and restrained by a stop collar 613. The travel of product locking screw 609 after release is adjusted by adjusting stop collar 613.
The clamp force sensor 602 is constrained by the clamp ring 606, detects clamp force parameters of the product by the clamp force sensor, and detects vibration parameters of the product during power-on by the vibration sensor.
The jig positioning plate 607 adopts a product appearance imitation plate, and an appearance detection gauge or/and a camera is arranged on the product appearance imitation plate, or the appearance detection gauge or/and the camera is/are arranged around the test jig through a rotary truss, so that the mechanical scanning of the product is realized, the appearance size of the product during the assembly is ensured to meet the design requirement of the product, and meanwhile, the put product is prevented from being a false product. When the product is put into the test fixture, the test fixture can accurately position the product; the two-dimensional code sensor is arranged to collect the two-dimensional code on the product and transmit the two-dimensional code to the electric cabinet, and the microcomputer of the electric cabinet detects whether the product is misplaced or not and the procedure of the product is neglected to install.
Further, a separation spring 617 is arranged between the fixture mounting seat and the screw connecting plate, and is used for automatically ejecting the product after the product locking screw 609 unloads the product, so that the product is unloaded from the test fixture.
In addition, the bottom of the testing jig is attached to the shockproof rubber pad, so as to reduce or eliminate vibration generated when the product moving testing device 100 drives the testing jig to move.
Referring to fig. 1, 11 and 12, in a preferred embodiment of the present invention, the dual-station product automatic handling device 200 includes a second ball screw linear module 204, product clamping jaws 201 and a frame body 205, wherein the two product clamping jaws 201 are respectively slidably mounted on the frame body 205, the frame body 205 is mounted on the equipment frame 300, and the second ball screw linear module 204 drives the two product clamping jaws to synchronously move.
Specifically, the product clamping jaw 201 is mounted on a clamping jaw mounting frame 207 through a bolt 213, the clamping jaw mounting frame 207 is mounted on a sliding table cylinder 209 through a clamping jaw bracket 208, and the sliding table cylinder 209 is mounted on a frame body 205; the rack body 205 is mounted to the equipment rack 300. The connecting cable of the sliding table cylinder 209 and the second ball screw linear module 204 is installed on the frame body 205 through the 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 change of the product jaw 201.
Further, a linear guide rail II206 is provided on the jaw support 208, the jaw mounting frame 207 is slidably connected to the linear guide rail II206, and two parallel jaw cylinders 210 are relatively installed on each jaw support 208; the parallel clamping jaw cylinder 210 drives the clamping jaw mounting frame 207 and the product clamping jaw 201 to move on the linear guide rail II206, and the clamping and releasing of products are realized by matching with the sliding table cylinder 209.
Further, a pressing block 215 is mounted at the bottom of the clamping jaw support 208 through a spring 214, and when the product clamping jaw 201 supports a product to be transported to a testing jig, the product is pressed by the pressing block 215, so that the product is positioned accurately and reliably; preferably, the jaw support 208 is provided with a proximity switch 212, the proximity switch 212 is used for detecting the matching between the product jaw 201 and the product, and when the product jaw 201 is not matched with the product, the proximity switch 212 sends out an error signal to remind an operator to replace the product jaw 201. A cam follower assembly 202 is mounted between the product jaw 201 and the jaw mount 207 for protecting the product jaw 201.
It should be noted that, the structure of second ball screw straight line module is the same with first ball screw straight line module, the second ball screw straight line module comprises ball screw, servo motor, cylinder body and dustproof steel band at least for drive product clamping jaw fast movement, realize the transport of the product that awaits measuring and surveyed the product.
Referring to fig. 1, in another embodiment of the present invention, the noise testing device 400 includes a sound insulation box, a sound insulation box door installed at one side of the sound insulation box near the transfer station, a sound insulation box door control mechanism and a sensor, the product movement testing device drives the product to be tested to enter the sound insulation box through the sound insulation box door, the sound insulation box door control mechanism controls the sound insulation box door to open and close, and the sensor detects the noise intensity of the product to be tested in the sound insulation box.
Specifically, the sound insulation box door control mechanism comprises a lifting cylinder and a pressing block, wherein the lifting cylinder drives the sound insulation box door to lift to open the sound insulation box door on the sound insulation box side, so that the product movement testing device drives a product to be tested to enter the sound insulation box through the sound insulation box door; the lifting cylinder drives the soundproof box door to descend, closes the soundproof box door on the side of the soundproof box, and compresses tightly the soundproof box door through a compressing block installed at the output end of the lifting cylinder, so that the tightness of the soundproof box door is improved. The sensor adopts noise detector, the noise detector passes through sensor mounting bracket 401 and installs on the sound proof box for detect the noise intensity of the product that awaits measuring in the sound proof box.
Noise detection process: in the sound insulation box with the isolation noise level below 45.7dB and in the state that the electrical elements of all parts are closed, the automatic inserting mechanism of the connector is used for electrifying a motor of a product for less than 10 seconds, and the noise value generated in the electrifying process of the product is automatically detected by the noise detector.
Referring to fig. 1, in another embodiment of the present invention, a performance test method for a brake caliper of an automobile, using the performance test automation device as described above, includes the following steps: feeding and discharging, namely conveying the tested product from a test jig of a transfer station to a discharging station through a double-station automatic product conveying device, and synchronously conveying the product to be tested from the feeding station to the test jig of the transfer station; the performance test device drives the test jig of the transfer station to move to the test station, and the performance of the product to be tested is detected through the test jig; and after the noise testing device seals the product to be tested which is moved to the testing station, testing the noise intensity generated by the performance detection of the product to be tested.
The performance test comprises the following steps: positioning a product to be tested through the test jig, detecting whether the product to be tested accords with the test jig or not, and missing a procedure or not; and testing the clamping force and vibration parameters 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 fool-proof detection aspect of the false product: when the product is put into the test fixture, the test fixture accurately positions the product; two-dimensional code sensor that is equipped with through test fixture gathers the two-dimensional code on the product body, detects whether the product misplaces to and the process neglected loading of product. Appearance detection: through the appearance detection gauge (the gauge refers to the design appearance of the product drawing), the rotary table and the camera can mechanically scan the product, so that the appearance size of the product during assembly meets the requirement of the product design drawing, and meanwhile, the put-in product is prevented from being a false product. Clamp force test aspect: when the product is automatically placed on the test jig, the automatic screw tightening mechanism tightens and fixes the product and the test jig, so that the product is completely attached to the clamping force and the vibration test jig, the connector automatic inserting mechanism energizes a motor of the product for less than 10 seconds, and whether the clamping force performance of the product meets the design requirement is detected through the high-precision clamping force sensor. Vibration detection: when the product is automatically placed in the clamping force and vibration testing jig, the connector automatic inserting mechanism electrifies the motor of the product for less than 10 seconds, and whether the vibration frequency of the product in the electrifies process meets the design requirement is detected by the high-precision vibration sensor. And a shockproof rubber cushion is attached below the test jig and used for isolating vibration generated in the motion process of the test jig and the performance detection automation equipment. Noise detection: in the sound insulation box with the isolation noise level below 45.7dB and in the state that the electric elements of all parts are closed, the automatic inserting mechanism of the connector is used for electrifying a motor of a product for less than 10 seconds, and the noise value generated in the electrifying process of the product is automatically detected by the noise sensor of the noise detection device.
The working principle of the invention is as follows: the product movement testing device 100 comprises a first ball screw linear module 1021, a bottom plate 101 and a testing jig, wherein the bottom plate is arranged on an equipment rack in a sliding manner, and the first ball screw linear module drives the bottom plate to move; the test jig for detecting the performance of the product is arranged on the bottom plate; the test jig is a clamping force and vibration test jig 106; the product movement testing device further includes an automatic screw tightening mechanism 107, an appearance profile inspection mechanism 103, and a plurality of connector automatic insertion mechanisms mounted around the clamping force and vibration testing jig. After the assembly of the previous station is completed, the product is carried to the testing jig by utilizing the double-station automatic product carrying device 200, and then the product moving testing device 100 moves the product to the testing station; during the movement, the product and the test fixture are screwed up by the automatic screw tightening mechanism 107; then the noise testing device acts to enable the product to be in a sealed and sound-insulating environment; then, the appearance contour checking mechanism is utilized to carry out appearance scanning on the product; then the connector is inserted into the product by the automatic connector inserting mechanism, and the power is supplied; the clamping force and vibration testing jig 106 then tests the clamping force and vibration parameters of the product, and the noise testing device tests the intensity of the generated noise; and after the test is finished, the qualified products are automatically discharged.
Other embodiments of the present disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure. This application is intended to cover any adaptations, 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 is to be understood that the present disclosure is not limited to the precise arrangements and instrumentalities shown in the drawings, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. A performance test automation device for an automotive brake caliper, comprising:
the device comprises an equipment rack, wherein a feeding station, a transfer station and a discharging station are sequentially arranged on the equipment rack, and a testing station is arranged on the side of the transfer station;
the product movement testing device is provided with a testing jig, drives the testing jig and a product clamped on the testing jig to move between the transfer station and the testing station, and assists the testing jig to test the performance of the product to be tested;
the double-station automatic product conveying device is used for loading the product to be tested of the feeding station onto the test fixture and unloading the tested product on the test fixture to the discharging 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;
the double-station automatic product conveying device comprises a second ball screw linear module, product clamping jaws and a frame body, wherein the two product clamping jaws are respectively and slidably arranged on the frame body, the frame body is arranged on an equipment frame, and the second ball screw linear module drives the two product clamping jaws to synchronously move;
the product movement testing device comprises a first ball screw linear module, a bottom plate, a clamping force and a vibration testing jig, wherein the bottom plate is arranged on the equipment rack in a sliding manner, and the first ball screw linear module drives the bottom plate to move; the clamping force and vibration testing jig for detecting the performance of the product to be tested is arranged on the bottom plate; 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 arranged on the jig bottom plate, a gap is reserved between the jig positioning plate and the jig mounting seat to form a product positioning part, one side, far away from the jig mounting seat, of the jig positioning plate is provided with a clamping plate through a locking screw, and a clamping force sensor is arranged between the clamping plate and the jig positioning plate; a product locking screw and a vibration sensor are arranged on one side, far away from the jig positioning plate, of the jig mounting seat; the product locking screw is movably arranged on one side of the jig mounting seat far away from the jig locating plate through a linear guide rod and a screw connecting plate matched with the linear guide rod; and a separating spring is arranged between the jig mounting seat and the screw connecting plate and used for unloading the product after the locking of the product is released by the product locking screw.
2. The automated performance inspection apparatus for automotive brake calipers of claim 1 wherein the blanking station is equipped with an automatic discharge device for discharging the inspected product from the blanking station.
3. The automated performance test equipment for an automotive brake caliper of claim 1, wherein the product movement testing device further comprises an automatic screw tightening mechanism, a profile inspection mechanism, and a plurality of connector automatic insertion mechanisms mounted around the clamping force and shock testing jig.
4. The automated performance test equipment for an automotive brake caliper of claim 3, wherein the automated screw tightening mechanism comprises a five-axis servo movement module and a floating electric batch assembly, wherein the movable end of the five-axis servo movement module has at least three degrees of freedom perpendicular to each other as compared with the fixed end, the fixed end of the five-axis servo movement module is slidably mounted on the base plate, the floating electric batch assembly is mounted on the movable end of the five-axis servo movement module, and the floating electric batch assembly is used for adjusting the torque force of screws of a product to be tested.
5. The automated performance test apparatus for an automotive brake caliper of claim 4, wherein the floating electrical batch assembly comprises a servo electrical batch, a batch rod, a sleeve, and a connector, the servo electrical batch is mounted at a movable end of the five-axis servo movement module, one end of the batch rod is flexibly connected with the servo electrical batch, and the other end of the batch rod is connected with the sleeve through the connector.
6. The automated performance test apparatus for an automotive brake caliper of claim 1, wherein the product jaws are mounted on a jaw mount mounted on a slip cylinder via a jaw mount, the slip cylinder being mounted on a frame body.
7. The automated performance test equipment for an automotive brake caliper of claim 6, wherein a cam follower assembly is mounted between the product jaw and the jaw mount for protecting the product jaw.
8. The automated performance test equipment for automotive brake calipers according to claim 1, wherein the noise testing device comprises a sound insulation box, a sound insulation box door arranged on one side of the sound insulation box close to the transfer station, a sound insulation box door control mechanism and a sensor, the product movement 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 the opening and closing of the sound insulation box door, and the sensor detects the noise intensity of the product to be tested in the sound insulation box.
9. A performance test method for an automotive brake caliper, characterized by using the performance test automation device according to any one of claims 1 to 8, comprising the steps of:
feeding and discharging, namely conveying the tested product from a test jig of a transfer station to a discharging station through a double-station automatic product conveying device, and synchronously conveying the product to be tested from the feeding station to the test jig of the transfer station;
the performance test device drives the test jig of the transfer station to move to the test station, and the performance of the product to be tested is detected through the test jig;
and after the noise testing device seals the product to be tested which is moved to the testing station, testing the noise intensity generated by the performance detection of the product to be tested.
10. The method for detecting the performance of an automotive brake caliper according to claim 9, wherein said performance test comprises: positioning a product to be tested through the test jig, detecting whether the product to be tested accords with the test jig or not, and missing a procedure or not; and testing the clamping force and vibration parameters of the product to be tested after clamping and electrifying through the clamping force sensor and the vibration sensor.
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