CN113237408B - Automatic detection line for adjusting arm and detection method for adjusting arm hole through and stop - Google Patents
Automatic detection line for adjusting arm and detection method for adjusting arm hole through and stop Download PDFInfo
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- CN113237408B CN113237408B CN202110546513.2A CN202110546513A CN113237408B CN 113237408 B CN113237408 B CN 113237408B CN 202110546513 A CN202110546513 A CN 202110546513A CN 113237408 B CN113237408 B CN 113237408B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0025—Measuring of vehicle parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
- G01B5/12—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters internal diameters
Abstract
The invention relates to an automatic detection line for an adjusting arm and a detection method for the through and stop of an adjusting arm hole. Its technical scheme does, an adjustment arm automatic detection line, including the plug gage expert only detect the platform, the screw gage expert only detects platform, vertical screw thread detects platform and feeding manipulator, the plug gage expert only detects the size that the platform is used for detecting work piece worm hole, the screw gage expert only detects the size that the platform is used for detecting work piece worm hole both ends screw thread, vertical screw thread detects the size that the platform is used for detecting work piece main shaft side opening screw thread. The automatic feeding and discharging device has the advantages that a plurality of detection processes are integrated into a set of assembly line, automatic feeding and discharging are completed through the feeding manipulator, automatic size detection of a plurality of holes and threads on the adjusting arm is achieved, labor cost and time for back-and-forth transferring among the detection processes are saved, and production efficiency is greatly improved.
Description
Technical Field
The invention relates to the field of automobile part manufacturing, in particular to an automatic detection line for an adjusting arm and an adjusting arm hole through-stop detection method.
Background
The automatic brake clearance adjusting arm is an auxiliary brake original element for large-sized vehicles such as heavy-duty vehicles, passenger cars and trailers, can accurately record the brake clearance increment caused by friction lining abrasion and automatically adjust the brake clearance to a normal range.
The adjusting arm comprises a shell, a worm, a rack, a one-way clutch and other structures, a hole for accommodating other parts is formed in the shell, the hole axis direction is parallel to or perpendicular to an automobile wheel axle mounting hole axis, the mounting holes are internally unthreaded holes, and threads are arranged at two ends or one end of each hole.
These holes and threads are subjected to dimensional tests, usually using plug gauge go-no-go gauges and thread go-no-go gauges: if the go gauge can not pass through the hole, the diameter of the hole thread is too small, and if the no-go gauge can pass through the hole, the diameter of the hole thread or the diameter of the thread is too large; when the go gauge can pass and the no-go gauge cannot pass, the size requirement is met. At present, the go-no go gauge is manually used for detecting the go-no go gauge of the adjusting arm, the detection procedures are multiple, the number of detection personnel is multiple, the cost is high, the back-and-forth transfer consumes time, and the efficiency is low.
Disclosure of Invention
The invention provides an automatic detection line for an adjusting arm, which is multi-station integrated and realizes automatic detection, aiming at the problems that the size detection of the aperture and the thread diameter by the adjusting arm at present needs manual multi-station detection and has low efficiency.
In order to solve the problems, the invention adopts the technical scheme that the automatic detection line for the adjusting arm comprises a plug gauge through-stop detection table, a thread gauge through-stop detection table, a vertical thread detection table and a feeding manipulator, wherein the plug gauge through-stop detection table is used for detecting the size of a worm hole of a workpiece, the thread gauge through-stop detection table is used for detecting the sizes of threads at two ends of the worm hole of the workpiece, and the vertical thread detection table is used for detecting the size of a thread at a side hole of a main shaft of the workpiece. A plurality of detection processes are integrated into one set of assembly line, automatic feeding and discharging are completed through the feeding manipulator, automatic size detection of a plurality of holes and threads on the adjusting arm is achieved, labor cost is saved, the time for back and forth transfer between the detection processes is saved, and production efficiency is greatly improved.
Preferably, the plug gauge go-no-go detection table is provided with two go-no-go detection mechanisms, and the two go-no-go detection mechanisms are oppositely arranged; the two no-go gauge detection mechanisms are arranged oppositely; the two-way gauge detection mechanism and the two-no-gauge detection mechanism form a rectangle, a first rotating mechanism is arranged at the center of the rectangle, and the first rotating mechanism is used for placing the mounting plate and driving the mounting plate to rotate; the two go gauge detection mechanisms are positioned on the same side of the first rotating mechanism, and the two no-go gauge detection mechanisms are positioned on the other side of the first rotating mechanism; the middle position of the connecting line between the two go gauge detection mechanisms is provided with a workpiece pressing mechanism, and the middle position of the connecting line between the two no-go gauge detection mechanisms is provided with a workpiece pressing mechanism. After the workpiece is installed, the workpiece rotary table drives the workpiece to rotate to the front of the go gauge detection mechanism and the no-go gauge detection mechanism, go gauge detection and no-go gauge detection are respectively carried out, the go-no gauge detection is automatically carried out, manual operation is not needed, the detection efficiency is improved, and the labor cost is reduced; can follow the both sides simultaneous detection in adjustment arm hole, reduce the stroke that the chock plug needs when detecting, improve detection efficiency.
Preferably, the go gauge detection mechanism and the no-go gauge detection mechanism both comprise plug gauge bottom plates and plug gauge bases, plug gauge driving motors are arranged on the plug gauge bottom plates, plug gauge lead screws are mounted on output shafts of the plug gauge driving motors, plug gauge lead screw bases are arranged at the rear ends of the plug gauge bases, the plug gauge lead screw bases are connected with the plug gauge lead screws in a matched mode, first sliding blocks are arranged on the bottom surfaces of the plug gauge bases, first sliding rails are arranged on the plug gauge bottom plates, the length direction of each first sliding rail is the axial direction of each plug gauge lead screw, the first sliding blocks are mounted on the first sliding rails in a matched mode, displacement sensors are further arranged on the plug gauge bottom plates and used for detecting displacement of the plug gauge bases, plug gauge torque sensors are further arranged between the plug gauge driving motors and the plug gauge lead screws, one ends of detection shafts of the plug gauge torque sensors are connected with the output shafts of the plug gauge driving motors, and the other ends of the plug gauge lead screws are connected with the plug gauge lead screws; in the go gauge detection mechanism, a go gauge plug head is arranged at the front end of a plug head seat; in the no-go gauge detection mechanism, a no-go gauge plug head is arranged at the front end of a plug head seat; the two go gauge plugs are arranged oppositely, and the two no-go gauge plugs are arranged oppositely. Adopt screw drive, the transmission is accurate, is equipped with first slide rail auxiliary stay simultaneously, makes the operation of chock plug seat more steady, and displacement sensor is used for detecting the working distance of chock plug seat, and then judges the position of chock plug.
Preferably, the thread go-no go detection table is provided with two thread go-no go gauge mechanisms, and the two thread go-no go gauge mechanisms are arranged oppositely; the two thread no-go gauge mechanisms are arranged oppositely; the two thread go gauge mechanisms and the two thread no-go gauge mechanisms form a rectangle, and a second rotating mechanism is arranged at the center of the rectangle; the second rotating mechanism is used for placing the mounting plate and driving the mounting plate to rotate, the two thread go gauge mechanisms are positioned on the same side of the second rotating mechanism, and the two thread no-go gauge mechanisms are positioned on the other side of the second rotating mechanism; the middle position of the connecting line between the two thread go gauge mechanisms is provided with a workpiece pressing mechanism, and the middle position of the connecting line between the two thread no-go gauge mechanisms is provided with a workpiece pressing mechanism. After the workpiece is installed, the workpiece rotary table drives the workpiece to rotate to the front of the thread go gauge mechanism and the thread no-go gauge mechanism, the go gauge detection and the no-go gauge detection are respectively carried out, the go-no-go detection is automatically carried out, manual operation is not needed, the detection efficiency is improved, and the labor cost is reduced; can follow the both sides in adjustment arm hole and detect simultaneously, detect the screw thread at hole both ends simultaneously, improve detection efficiency, reduce the stroke of chock plug simultaneously.
Preferably, the thread go gauge mechanism and the thread no-go gauge mechanism both comprise thread gauge bottom plates, horizontal electric screwdriver is installed on each thread gauge bottom plate, thread gauge screw bases are arranged on the side faces of the thread gauge bottom plates, thread gauge lead-stop detection tables are provided with thread gauge driving motors, thread gauge lead screws are arranged on output shafts of the thread gauge driving motors, the thread gauge lead screws are installed in a matched mode with the thread gauge screw bases, and the thread gauge driving motors are provided with encoders; the horizontal electric screwdriver comprises a first electric screwdriver driving motor, a first electric screwdriver rotating shaft is arranged on an output shaft of the first electric screwdriver driving motor, a first thread gauge torque sensor is arranged between the first electric screwdriver driving motor and the first electric screwdriver rotating shaft, one end of a rotating shaft of the first thread gauge torque sensor is connected with the output shaft of the first electric screwdriver driving motor, and the other end of the rotating shaft of the first thread gauge torque sensor is connected with the first electric screwdriver rotating shaft; in the thread go gauge mechanism, a thread go gauge plug is arranged on the electric screwdriver rotating shaft; in the thread no-go gauge mechanism, a thread no-go gauge plug is arranged on an electric screwdriver rotating shaft; the two thread go gauge plugs are arranged oppositely, and the two thread no-go gauge plugs are arranged oppositely. The screw rod transmission is accurate and stable, and the encoder motor is adopted to facilitate accurate control and measurement.
Preferably, two parallel X-axis driving mechanisms are arranged on the vertical thread detection table, each X-axis driving mechanism comprises an upright post, and the X-axis driving mechanisms can drive the upright posts to move along the X-axis driving mechanisms; the upper ends of the stand columns are provided with Y-axis driving mechanisms, the two ends of the Y-axis driving mechanisms in the length direction are respectively installed at the top ends of the two stand columns, each Y-axis driving mechanism comprises a Y-axis slide carriage, and the Y-axis driving mechanisms can drive the Y-axis slide carriages to move along the Y-axis driving mechanisms; a Z-axis driving mechanism is arranged on the Y-axis slide carriage and comprises a Z-axis slide carriage and a Z-axis driving motor, the Z-axis driving mechanism can drive the Z-axis slide carriage to move along the Z-axis driving mechanism, a vertical electric screwdriver is arranged on the Z-axis slide carriage, and the Z-axis driving motor is provided with an encoder; the vertical electric screwdriver comprises a second electric screwdriver driving motor, a second electric screwdriver rotating shaft is arranged on an output shaft of the second electric screwdriver driving motor, a second thread gauge torque sensor is arranged between the second electric screwdriver driving motor and the second electric screwdriver rotating shaft, one end of a rotating shaft of the second thread gauge torque sensor is connected with the output shaft of the second electric screwdriver driving motor, the other end of the rotating shaft of the second thread gauge torque sensor is connected with the second electric screwdriver rotating shaft, and a vertical thread gauge is arranged on the second electric screwdriver rotating shaft; the mounting plate is placed on the table top of the vertical thread detection table and is positioned between the two X-axis driving mechanisms.
Preferably, the workpiece pressing mechanism is a vertically arranged pressing cylinder, a telescopic rod of the pressing cylinder is vertically downward, and a pressing head is arranged at the bottom end of the telescopic rod of the pressing cylinder. And the workpiece is compressed, so that the workpiece is convenient to position during testing.
Preferably, the mounting plate is provided with two mounting positions, a workpiece to be detected is mounted on the mounting positions, the midpoint of a connecting line between the two mounting positions is a connecting point of the first rotating mechanism and the second rotating mechanism, the first rotating mechanism and the second rotating mechanism can drive the mounting plate to rotate around the midpoint in a horizontal plane, the mounting plate is detachably connected with the first rotating mechanism, and the mounting plate is detachably connected with the second rotating mechanism; when the mounting plate rotates to the detection position, the workpiece pressing mechanism is located right above the mounting position.
Preferably, the feeding manipulator is a seven-axis manipulator, the feeding manipulator is installed on a manipulator track, and the plug gauge through-stop detection platform, the thread gauge through-stop detection platform and the vertical thread detection platform are arranged on the same side of the manipulator track; the plug gauge is led to and is stopped to examine test table, screw gauge leads to and is stopped to examine test table and vertical screw thread and examine test table three and set gradually on same straight line, and this straight line is parallel with the orbital direction of manipulator, and the orbital opposite side of manipulator still is equipped with material loading platform and unloading platform. The manipulator flexibility ratio is high, sets up the track simultaneously and increases the home range, sets up the automatic mountain unloading and the continuous production of material loading platform and unloading platform work piece of being convenient for.
Based on the device, the invention also provides a detection method for the through and stop of the adjusting arm hole, which comprises the following steps:
s1, plug gauge detection:
1.1 A feeding manipulator grabs the mounting plate with the two workpieces from the feeding table and mounts the mounting plate on the first rotating mechanism;
1.2 The first rotating mechanism drives the mounting plate to rotate, so that two workpieces are positioned below a workpiece pressing mechanism of the plug gauge go-no-go detection table, a pressing cylinder moves, and the workpieces are pressed tightly;
1.3 The go gauge detection mechanism carries out go gauge detection on the first workpiece, at the moment, the no-go gauge detection mechanism simultaneously carries out no-go gauge detection on the second workpiece, and the displacement sensor and the plug gauge torque sensor record detection data;
1.4 When the workpiece pressing mechanism is released, the first rotating mechanism drives the mounting plate to rotate 180 degrees, and the workpiece pressing mechanism presses again;
1.5 The go gauge detection mechanism carries out go gauge detection on the second workpiece; at the moment, the no-go gauge detection mechanism simultaneously carries out no-go gauge detection on the first workpiece, and the displacement sensor and the plug gauge torque sensor record detection data;
1.6 Plug gauge leads to the release of the workpiece pressing mechanism of the check detection table;
s2, detecting a thread gauge:
2.1 The feeding manipulator 4 detaches and transfers the mounting plate 33 from the first rotating mechanism and mounts it on the second rotating mechanism;
2.2 The second rotating mechanism drives the mounting plate to rotate, so that the two workpieces are positioned below the workpiece pressing mechanism of the thread gauge lead-to-stop detection table, the pressing cylinder moves, and the workpieces are pressed tightly;
2.3 The thread go gauge mechanism carries out thread go gauge detection on a first workpiece, at the moment, the thread no-go gauge mechanism simultaneously carries out thread no-go gauge detection on a second workpiece, and a first thread gauge torque sensor and an encoder of a thread gauge driving motor record detection data;
2.4 The workpiece pressing mechanism is released, the second rotating motor drives the mounting plate to rotate 180 degrees, and the workpiece pressing mechanism is pressed again;
2.5 The thread go gauge mechanism carries out thread go gauge detection on the second workpiece, at the moment, the thread no-go gauge mechanism simultaneously carries out thread no-go gauge detection on the first workpiece, and a first thread gauge torque sensor and an encoder of a thread gauge driving motor record detection data;
2.6 The screw gauge is released by a workpiece pressing mechanism of the check detection table;
s3, detecting the vertical hole thread:
3.1 The mounting plate is detached from the second rotating mechanism by the feeding manipulator and is transferred and placed on the vertical thread detection table;
3.2 X-axis drive mechanism and Y-axis drive mechanism move to position the vertical thread gauge directly over the vertical hole of the first workpiece;
3.3 The Z-axis driving mechanism drives the vertical screwdriver to descend, vertical hole thread detection is carried out on the first workpiece, and detection data are recorded by the second thread gauge torque sensor and the encoder of the Z-axis driving motor;
3.4 The Z-axis driving mechanism rises, and the X-axis driving mechanism and the Y-axis driving mechanism move to the position right above the vertical hole of the second workpiece;
3.5 The Z-axis driving mechanism drives the vertical screwdriver to descend, vertical hole thread detection is carried out on a second workpiece, and detection data are recorded by a second thread gauge torque sensor and an encoder of the Z-axis driving motor;
3.6 Z-axis drive motor up;
s4, detection is completed:
4.1 The mounting plate is transferred to a discharging platform from the vertical thread detection platform by the feeding manipulator;
4.2 Detecting data of plug gauge detection, thread gauge detection and vertical thread detection, and recording qualified products and unqualified products.
According to the technical scheme, the automatic feeding and discharging device has the advantages that a plurality of detection processes are integrated into a set of assembly line, automatic feeding and discharging are completed through the feeding manipulator, automatic size detection of a plurality of holes and threads on the adjusting arms is achieved, each station can simultaneously detect two adjusting arms, labor cost and time for back and forth transfer between the detection processes are saved, and production efficiency is greatly improved; the positioning is stable and the measurement is accurate when the workpiece is detected; and various sensors are adopted, and data processing is intelligent.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required to be used in the description will be briefly introduced below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
FIG. 2 is a schematic structural diagram of a plug gauge pass-stop detection table according to an embodiment of the present invention.
FIG. 3 is a schematic top view of a plug gauge pass-stop detection station in accordance with an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a go gauge detection mechanism and a no-go gauge detection mechanism.
Fig. 5 is a schematic structural diagram of a threading gauge pass-stop detection table according to an embodiment of the present invention.
FIG. 6 is a schematic top view of a threading gauge pass-stop detection station in accordance with an embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a vertical thread inspection station according to an embodiment of the present invention.
Fig. 8 is a schematic structural diagram of a horizontal electric batch and a vertical electric batch.
Fig. 9 is a schematic view of the structure of the vertical thread gauge.
In the figure: 1. the device comprises a plug gauge through-stop detection platform, 1-1 a through gauge detection mechanism, 1-2 a no-go gauge detection mechanism, 2 a thread gauge through-stop detection platform, 2-1 a thread through gauge mechanism, 2-2 a thread no-go gauge mechanism, 3 a vertical thread detection platform, 4 a feeding manipulator, 5 a plug gauge bottom plate, 6 a plug gauge seat, 7 a plug gauge driving motor, 8 a plug gauge screw rod, 9 a plug gauge screw seat, 10 a first slide rail, 11 a displacement sensor, 12 a plug gauge torque sensor, 13-1 a through gauge plug head, 13-2 a no-go gauge plug head, 14 a thread gauge floor, 15-1 a horizontal electric batch, 15-2 a vertical electric batch, 16 a thread gauge screw seat, 17 a thread gauge driving motor, 18 a thread gauge screw rod, 19-1 a first electric batch driving motor, 19-2 a second electric batch driving motor, 20-1 of a first electric batch rotating shaft, 20-2 of a second electric batch rotating shaft, 21-1 of a first thread gauge torque sensor, 21-2 of a second thread gauge torque sensor, 22-1 of a thread through gauge plug, 22-2 of a thread no-go gauge plug, 23.X-axis driving mechanism, 24 of an upright post, 25.Y-axis driving mechanism, 26.Y-axis slide carriage, 27.Z-axis driving mechanism, 28.Z-axis slide carriage, 29.Z-axis driving motor, 30 of a vertical thread gauge, 30-1 of a through gauge part, 30-2 of a no-go gauge part, 31 of a pressing cylinder, 32 of a pressure head, 33 of an installation plate, 34 of a manipulator rail, 35 of a feeding table, 36 of a discharging table, 37 of a proximity switch, 38 of a second sliding rail, 39 of a second sliding block, 40 of a third sliding rail and 41 of a rotation driving motor; 00. and (5) a workpiece.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is apparent that the embodiments described below are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.
The noun explains:
electric screwdriver, electric screwdriver handle.
As shown in fig. 1, an automatic detection line for adjusting arm comprises a plug gauge through-end detection table 1, a thread gauge through-end detection table 2, a vertical thread detection table 3 and a feeding manipulator 4, wherein the plug gauge through-end detection table 1 is used for detecting the size of a worm hole of a workpiece, the thread gauge through-end detection table 2 is used for detecting the size of threads at two ends of the worm hole of the workpiece, and the vertical thread detection table 3 is used for detecting the size of threads at a side hole of a main shaft of the workpiece.
As shown in fig. 2-4, a plug gauge go-no-go detection table 1 is provided with a go gauge detection mechanism 1-1 and a no-go gauge detection mechanism 1-2, the two go gauge detection mechanisms 1-1 are arranged, and the two go gauge detection mechanisms 1-1 are arranged oppositely; two no-go gauge detection mechanisms 1-2 are arranged, and the two no-go gauge detection mechanisms 1-2 are arranged oppositely; the two-way gauge detection mechanism and the two-no-gauge detection mechanism form a rectangle, a first rotating mechanism is arranged at the center of the rectangle, and the first rotating mechanism is used for placing the mounting plate 33 and driving the mounting plate 33 to rotate; the two go gauge detection mechanisms are positioned on the same side of the first rotating mechanism, and the two no-go gauge detection mechanisms are positioned on the other side of the first rotating mechanism; the middle position of the connecting line between the two go gauge detection mechanisms is provided with a workpiece pressing mechanism, and the middle position of the connecting line between the two no-go gauge detection mechanisms is provided with a workpiece pressing mechanism.
The go gauge detection mechanism and the no-go gauge detection mechanism respectively comprise a plug gauge bottom plate 5 and a plug head seat 6, a plug gauge driving motor 7 is arranged on the plug gauge bottom plate 5, a plug gauge lead screw 8 is mounted on an output shaft of the plug gauge driving motor 7, a plug gauge lead screw seat 9 is arranged at the rear end of the plug head seat 6, the plug gauge lead screw seat 9 is connected with the plug gauge lead screw 8 in a matched mode, a first sliding block is arranged on the bottom surface of the plug head seat 6, a first sliding rail 10 is arranged on the plug gauge bottom plate 5, the length direction of the first sliding rail 10 is the axial direction of the plug gauge lead screw 8, the first sliding block is mounted on the first sliding rail 10 in a matched mode, a displacement sensor 11 is further arranged on the plug gauge bottom plate 5, the displacement sensor 11 is located on one side of the plug head seat 6 and used for detecting displacement of the plug gauge head seat 6, a plug gauge torque sensor 12 is further arranged between the plug gauge driving motor 7 and the plug gauge lead screw 8, one end of a detection shaft of the plug gauge torque sensor 12 is connected with the output shaft of the plug gauge driving motor 7 through a coupler, and the other end of the plug gauge is connected with the plug gauge 8 through the plug gauge torque sensor, the plug gauge base, the plug gauge torque sensor is arranged, when the plug head cannot be increased, the plug head cannot be blocked in time, and the linear driving motor can prevent the plug gauge driving motor from being damaged, and the plug gauge driving motor or the plug head from being overloaded, and further prevent the plug head from being damaged; the through gauge detection mechanism 1-1 and the no-go gauge detection mechanism 1-2 have the same movement structure, and the difference is that in the through gauge detection mechanism, the front end of a plug head seat is provided with a through gauge plug head 13-1; in the no-go gauge detection mechanism, a no-go gauge plug head 13-2 is mounted at the front end of a plug head seat, two no-go gauge plug heads 13-1 are oppositely arranged, two no-go gauge plug heads 13-2 are oppositely arranged, proximity switches 37 are further arranged in the no-go gauge plug head 13-1 and the no-go gauge plug head 13-2 respectively, probes of the proximity switches 37 are located on the front end faces of the no-go gauge plug head 13-1 and the no-go gauge plug head 13-2, and electric leads of the proximity switches 37 penetrate out from the rear ends of the no-go gauge plug head 13-1 and the no-go gauge plug head 13-2.
In order to improve the moving range of the go gauge detection mechanism and the no-go gauge detection mechanism, a second sliding block 39 is arranged on the bottom surface of the plug gauge bottom plate 5, a second sliding rail 38 is further arranged on the table top of the plug gauge go-no-go detection table 1, the second sliding block 39 is installed on the second sliding rail 38, and the direction of the second sliding rail 38 is the axial direction of the plug gauge lead screw 8.
As shown in fig. 5, 6 and 8, a thread go-no go gauge mechanism 2-1 and a thread no-go gauge mechanism 2-2 are arranged on the thread go-no go detection table 2, two thread go gauge mechanisms 2-1 are arranged, and the two thread go gauge mechanisms 2-1 are oppositely arranged; two thread no-go gauge mechanisms 2-2 are arranged, and the two thread no-go gauge mechanisms 2-2 are oppositely arranged; the two thread go gauge mechanisms and the two thread no-go gauge mechanisms form a rectangle, and a second rotating mechanism is arranged at the center of the rectangle; the second rotating mechanism is used for placing the mounting plate 33 and driving the mounting plate 33 to rotate the two thread go-no-go gauge mechanisms which are positioned on the same side of the second rotating mechanism, and the two thread no-go gauge mechanisms are positioned on the other side of the second rotating mechanism; the middle position of the connecting line between the two thread go gauge mechanisms is provided with a workpiece pressing mechanism, and the middle position of the connecting line between the two thread no-go gauge mechanisms is provided with a workpiece pressing mechanism.
The thread go-no go mechanism and the thread no-go mechanism both comprise a thread go-no go mechanism bottom plate 14, a horizontal electric screwdriver 15-1 is installed on the thread go-no go mechanism bottom plate, a thread go-no go base 16 is arranged on the side surface of the thread go-no go base 14, a thread go-no go detection platform 2 is provided with a thread go-no go drive motor 17, an output shaft of the thread go-no go drive motor 17 is provided with a thread go-no go screw 18, the thread go-no go screw 18 is installed in a matching way with the thread go-no go base 16, and the thread go-no go drive motor 17 is provided with an encoder;
the horizontal electric screwdriver 15-1 comprises a first electric screwdriver driving motor 19-1, a first electric screwdriver rotating shaft 20-1 is arranged on an output shaft of the first electric screwdriver driving motor 19-1, a first thread gauge torque sensor 21-1 is arranged between the first electric screwdriver driving motor 19-1 and the first electric screwdriver rotating shaft 20-1, one end of a rotating shaft of the first thread gauge torque sensor 21-1 is connected with the output shaft of the first electric screwdriver driving motor 19-1, the other end of the rotating shaft of the first thread gauge torque sensor is connected with the first electric screwdriver rotating shaft 20-1, and when the measuring data of the first thread gauge torque sensor reach a certain value, the first electric screwdriver driving motor and the thread gauge driving motor reversely rotate to enable a plug head of a thread gauge to exit or be far away from a workpiece hole; the movement structures of the thread go gauge mechanism 2-1 and the thread no-go gauge mechanism 2-2 are the same, and the difference is that in the thread go gauge mechanism, a thread go gauge plug 22-1 is installed on an electric batch rotating shaft; in the screw thread no-go gauge mechanism, a screw thread no-go gauge plug 22-2 is arranged on the electric screwdriver rotating shaft; the two thread go gauge plugs 22-1 are arranged oppositely, and the two thread no-go gauge plugs 22-2 are arranged oppositely.
In order to enable the thread go-no go gauge mechanism 2-1 and the thread no-go gauge mechanism 2-2 to move more stably, a third sliding block is further arranged on the bottom surface of the thread go-no go gauge bottom plate 14, a third sliding rail 40 is arranged on the table top of the thread go-no go test table, the third sliding block is installed on the third sliding rail 40 in a matched mode, and the direction of the third sliding rail 40 is the axial direction of the thread go-no go gauge screw rod 18.
The first rotating mechanism and the second rotating mechanism respectively comprise a rotating driving motor 11, the rotating driving motor 11 drives the mounting plate 33 to rotate through a worm gear, and besides a worm gear pair, transmission structures such as bevel gears, belt transmission and the like can be adopted; the mounting plate 33 is provided with two mounting positions, a workpiece to be detected is mounted on the mounting positions, the middle point of a connecting line between the two mounting positions is a connecting point of the first rotating mechanism and the second rotating mechanism, the mounting plate 33 is detachably connected with the first rotating mechanism, and the mounting plate 33 is detachably connected with the second rotating mechanism.
The workpiece pressing mechanisms in the plug gauge go-no-go detection platform and the thread gauge go-no-go detection platform are vertically arranged pressing cylinders 31, telescopic rods of the pressing cylinders 31 are downward vertically, and pressing heads 32 are arranged at the bottom ends of the telescopic rods of the pressing cylinders; when the mounting plate 33 is rotated to the detection position, the workpiece pressing mechanism is located right above the mounting position.
As shown in fig. 7-9, two parallel X-axis driving mechanisms 23 are arranged on the vertical thread detecting table 3, the two X-axis driving mechanisms 23 respectively include an upright column 24, and the X-axis driving mechanisms 23 can drive the upright column 24 to move along the X-axis driving mechanisms; the upper ends of the upright posts 24 are provided with Y-axis driving mechanisms 25, the two ends of the Y-axis driving mechanisms 25 in the length direction are respectively arranged at the top ends of the two upright posts 24, the Y-axis driving mechanisms 25 comprise Y-axis slide carriages 26, and the Y-axis driving mechanisms can drive the Y-axis slide carriages 26 to move along the Y-axis driving mechanisms 25; a Z-axis driving mechanism 27 is arranged on the Y-axis slide carriage 26, the Z-axis driving mechanism 27 is a motor-driven screw rod mechanism and comprises a Z-axis slide carriage 28 and a Z-axis driving motor 29, the Z-axis driving mechanism 27 can drive the Z-axis slide carriage 28 to move along the Z-axis driving mechanism 27, and the Z-axis slide carriage 28 is provided with a vertical screwdriver 15-2,Z which is provided with an encoder 29; the X-axis driving mechanism and the Y-axis driving mechanism can adopt transmission structures such as a lead screw and a rodless cylinder.
The vertical electric screwdriver 15-2 comprises a second electric screwdriver driving motor 19-2, a second electric screwdriver rotating shaft 20-2 is arranged on an output shaft of the second electric screwdriver driving motor 19-2, a second thread gauge torque sensor 21-2 is arranged between the second electric screwdriver driving motor 19-2 and the second electric screwdriver rotating shaft 20-2, one end of a rotating shaft of the second thread gauge torque sensor 21-2 is connected with the output shaft of the second electric screwdriver driving motor 19-2, the other end of the rotating shaft of the second electric screwdriver driving motor is connected with the second electric screwdriver rotating shaft 20-2, when the measurement data of the second thread gauge torque sensor reaches a certain value, the second electric screwdriver driving motor and the Z-axis driving motor are reversely rotated, a vertical thread gauge 30 is arranged on the second electric screwdriver rotating shaft 20-2, the vertical thread gauge 30 comprises a go gauge part 30-1 and a no-go gauge part 30-2, the nominal size of the go gauge part 30-1 is smaller than that of the no-go gauge part 30-2, the difference is determined according to the tolerance requirement of a hole of a workpiece to be measured, the go gauge part 30-1 and the no-2 are coaxially arranged below the go gauge part 30-2; the mounting plate 33 is placed on the table of the vertical thread inspection table 3 between the two X-axis drive mechanisms 23.
Feeding manipulator 4 is seven manipulators, and feeding manipulator 4 installs on manipulator track 34, and the feeler gauge leads to ending to examine test table 1, the screw gauge leads to ending to examine test table 2 and vertical screw thread and examines test table 3 and set up in same one side of manipulator track 34, and the feeler gauge leads to ending to examine test table 1, the screw gauge leads to ending to examine test table 2 and vertical screw thread and examines test table 3 three and set gradually on same straight line, and this straight line is parallel with manipulator track 34's direction, and the orbital opposite side of manipulator still is equipped with material loading platform 35 and unloading platform 36.
The using method of the device comprises the following steps:
the mounting plate 33 is placed on the feeding table 35, and two workpieces 00 (respectively set as a first workpiece and a second workpiece) are mounted on the mounting plate 33;
and (3) plug gauge detection:
the feeding manipulator 4 grabs the mounting plate 33 from the feeding table 55 and mounts the mounting plate on the first rotating mechanism; the first rotating mechanism drives the mounting plate 33 to rotate, so that the two workpieces 00 are positioned below a workpiece pressing mechanism of the plug gauge go-no-go detection table, the pressing cylinder 31 moves, and the workpieces 00 are pressed tightly; the go gauge detection mechanism 1-1 carries out go gauge detection on a first workpiece, at the moment, the no-go gauge detection mechanism 1-2 simultaneously carries out no-go gauge detection on a second workpiece, and the displacement sensor 11 and the plug gauge torque sensor 12 record detection data; the workpiece pressing mechanism is released, the first rotating mechanism drives the mounting plate 33 to rotate 180 degrees, and the workpiece pressing mechanism is pressed again; the go gauge detection mechanism 1-1 carries out go gauge detection on the second workpiece; at the moment, the no-go gauge detection mechanism 1-2 simultaneously carries out no-go gauge detection on the first workpiece, and the displacement sensor 11 and the plug gauge torque sensor 12 record detection data; releasing a workpiece pressing mechanism of the plug gauge pass-stop detection table;
and (3) detecting a thread gauge:
the feeding manipulator 4 detaches and transfers the mounting plate 33 from the first rotating mechanism and mounts the mounting plate on the second rotating mechanism; the second rotating mechanism drives the mounting plate 33 to rotate, so that the two workpieces 00 are positioned below a workpiece pressing mechanism of the thread gauge go-no-go detection table, the pressing cylinder moves, and the workpieces 00 are pressed tightly; the thread go gauge mechanism 2-1 detects a thread go gauge of a first workpiece, the thread no-go gauge mechanism 2-2 simultaneously detects a thread no-go gauge of a second workpiece, and a first thread gauge torque sensor 21-1 and an encoder of a thread gauge driving motor 17 record detection data; the workpiece pressing mechanism is released, the second rotating motor drives the mounting plate 33 to rotate 180 degrees, and the workpiece pressing mechanism is pressed again; the thread go gauge mechanism 2-1 detects a thread go gauge of the second workpiece, at the moment, the thread no-go gauge mechanism 2-2 simultaneously detects a thread no-go gauge of the first workpiece, and a first thread gauge torque sensor 21-1 and an encoder of a thread gauge driving motor 17 record detection data; releasing the screw gauge through a workpiece pressing mechanism of the check detection table;
detecting the vertical hole thread:
the feeding manipulator 4 detaches the mounting plate 33 from the second rotating mechanism and transfers the mounting plate to the vertical thread detection platform 3; the X-axis drive mechanism 23 and the Y-axis drive mechanism 25 move so that the vertical thread gauge 30 is positioned directly above the vertical hole of the first workpiece; the Z-axis driving mechanism 27 drives the vertical screwdriver 15-2 to descend, vertical hole thread detection is carried out on the first workpiece, and the second thread gauge torque sensor 21-2 and an encoder of the Z-axis driving motor record detection data; the Z-axis drive mechanism 27 ascends; the X-axis driving mechanism 23 and the Y-axis driving mechanism 25 move, namely the vertical thread gauge moves right above the vertical hole of the second workpiece; the Z-axis driving mechanism 27 drives the vertical screwdriver 15-2 to descend, vertical hole thread detection is carried out on a second workpiece, and a second thread gauge torque sensor 21-2 and an encoder of the Z-axis driving motor record detection data; the Z-axis drives the motor to ascend;
the feeding manipulator 4 transfers the mounting plate 33 from the vertical thread detection table 3 to the discharging table 36; and recording qualified products and unqualified products according to detection data of plug gauge detection, thread gauge detection and vertical thread detection.
Based on the detection method, when the plug gauge pass-stop detection table completes one detection, the feeding mechanical arm transfers the mounting plate, and when the workpieces on the mounting plate are subjected to thread pass-stop detection, the feeding mechanical arm can feed the plug gauge pass-stop detection table again to perform plug gauge detection on the next group of workpieces, so that the detection processes of all groups of workpieces are overlapped, the detection of the next group of workpieces is not started after the previous group of workpieces completes the whole detection process, and the detection efficiency and the equipment utilization rate are further improved.
The size judgment method for the plug gauge detection comprises the following steps:
the method comprises the steps that standard data are recorded in advance before detection, wherein the standard data are the moving distance a of a plug head seat in a go gauge detection mechanism when a go gauge plug head can enter an adjusting arm hole and the moving distance b of the plug head seat in a no-go gauge detection mechanism when a no-go gauge plug head cannot enter the adjusting arm hole;
when a workpiece is detected, a plug gauge torque sensor is blocked in the moving process of a plug head of a go gauge and a plug head of a no-go gauge, so that the torque is suddenly increased, the moving distance a1 of the plug head seat in a go gauge detecting mechanism and the moving distance b1 of the plug head seat in a no-go gauge detecting mechanism are recorded (measured and recorded by a displacement sensor 11), and when a1= a and b1= b (certain errors are allowed, for example, the strokes of the plug heads of the go gauge at two sides have slight differences), the aperture size of the workpiece meets the requirement; when a1 is smaller than a, the go gauge cannot enter the hole and the hole passes through a small time, or when b1 is larger than b, the no-go gauge enters the hole and the hole is too large, the hole size of the workpiece is not satisfactory.
The size judgment method for detecting the thread gauge comprises the following steps:
detecting a thread go gauge: three torque reference values T1, T2, T3 and displacement reference value L1 are set, respectively:
t1, torque measured by a first thread gauge torque sensor when a thread go gauge plug idles;
t2, torque measured by the first thread gauge torque sensor when the plug of the thread go gauge is screwed in the thread;
t3, torque measured by the first thread gauge torque sensor when the plug head of the thread go gauge is blocked to stop rotating;
l1, the length of the thread of the workpiece hole to be measured;
setting the instantaneous torque of the first thread gauge torque sensor as T, enabling a plug head of a thread go gauge to contact with threads and start screwing along with the operation of a thread gauge driving motor, changing the T from T1 to T2, and starting recording by an encoder of a first electric batch driving motor at the moment; when the plug head of the thread go gauge runs to the bottom of the thread (one end in the hole) or is clamped in the screwing process and cannot be screwed continuously, T is changed from T2 to T3, the encoder of the first electric batch driving motor stops recording and compares L with L1 for the recorded displacement L: if L = L1, the thread go gauge is detected to be qualified, otherwise, the thread go gauge is detected to be unqualified;
detecting a thread no-go gauge: two torque criterion values T4 and T5, and one displacement criterion value L2 are set:
t4, measuring torque by a first thread gauge torque sensor when a plug head of the thread no-go gauge idles;
t5, torque measured by the first thread gauge torque sensor when the plug head of the thread no-go gauge is blocked and stops rotating;
l2, running the distance between the thread stop gauge plug and the position where the thread stop gauge plug abuts against the workpiece from the initial position;
let the instantaneous moment of torsion of first thread gauge torque sensor be T, when thread gauge driving motor began to move (at this moment the screw no-go gauge chock plug is located the initial position), thread gauge driving motor's encoder began to record, when the contact of screw no-go gauge chock plug and support the work piece, or screw no-go gauge chock plug screw in screw thread and block in the screw thread (screw thread bottom or screw thread centre), T changed to T3 by T2 this moment, the encoder stopped to record and compared displacement L and L2 that record: when L = L2, the plug head of the thread stop gauge cannot be screwed into the tested thread, and the detection of the stop gauge is qualified; and when L is larger than L2, the no-go gauge is unqualified.
The size judgment method for detecting the vertical hole thread comprises the following steps:
setting the axial length of a gauge part 30-1 in a vertical thread gauge 30 as D1, measuring the torque by a second thread gauge torque sensor when the vertical thread gauge idles as T6, measuring the torque by the second thread gauge torque sensor when the gauge part is in threaded fit with a measured hole as T7, and measuring the torque by the second thread gauge torque sensor when the vertical thread gauge is blocked and stops rotating as T8; the real-time torque measured by the second thread gauge torque sensor is T';
the Y-axis driving mechanism drives the vertical batch to move downwards, when the through gauge part is in threaded contact with the hole to be measured and screwed in, T 'is increased to T7 from T6, at the moment, an encoder of the Z-axis driving motor starts to record displacement, when the vertical thread gauge is blocked, T' is increased to T8 from T7, at the moment, the encoder of the Z-axis driving motor stops recording, and the recording result is set to be D;
when D = D1, the go gauge part can enter and the no-go gauge part cannot enter the threaded hole, and the thread size meets the requirement; when D is less than D1, the through gauge part cannot completely enter the threaded hole, and the thread size is too small and is not in accordance with the requirement; when D is larger than D1, the stop gauge part partially or completely enters the threaded hole, and the thread size is overlarge and is not satisfactory.
And the plug gauge detection, the thread gauge detection and the vertical hole thread detection all meet the size requirement, namely the workpiece is a qualified product, otherwise, the workpiece is an unqualified product.
According to the embodiment, the automatic feeding and discharging device has the advantages that a plurality of detection processes are integrated into a set of assembly line, automatic feeding and discharging are completed through the feeding manipulator, automatic size detection of a plurality of holes and threads on the adjusting arms is achieved, each station can simultaneously detect two adjusting arms, labor cost and time for back and forth transfer between the detection processes are saved, and production efficiency is greatly improved; the positioning is stable and the measurement is accurate when the workpiece is detected; and a plurality of sensors are adopted, so that data processing is intelligent.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. An automatic detection line for an adjusting arm is characterized by comprising a plug gauge through and stop detection table (1), a thread gauge through and stop detection table (2), a vertical thread detection table (3) and a feeding manipulator (4), wherein the plug gauge through and stop detection table (1) is used for detecting the size of a worm hole of a workpiece, the thread gauge through and stop detection table (2) is used for detecting the sizes of threads at two ends of the worm hole of the workpiece, and the vertical thread detection table (3) is used for detecting the size of threads of the vertical hole of the workpiece;
the plug gauge go-no-go detection table (1) is provided with two go-no-go detection mechanisms (1-1) and two no-go detection mechanisms (1-2), and the two go-no-go detection mechanisms (1-1) are arranged oppositely; the number of the no-go gauge detection mechanisms (1-2) is two, and the two no-go gauge detection mechanisms (1-2) are arranged oppositely; the two go gauge detection mechanisms (1-1) and the two no-go gauge detection mechanisms (1-2) form a rectangle, a first rotating mechanism is arranged at the center of the rectangle, and the first rotating mechanism is used for placing an installation plate (33) and driving the installation plate (33) to rotate; the two go gauge detection mechanisms (1-1) are positioned at the same side of the first rotating mechanism, and the two no-go gauge detection mechanisms (1-2) are positioned at the other side of the first rotating mechanism; a workpiece pressing mechanism is arranged in the middle of a connecting line between the two go gauge detection mechanisms (1-1), and a workpiece pressing mechanism is arranged in the middle of a connecting line between the two no-go gauge detection mechanisms (1-2);
the thread gauge go-stop detection table (2) is provided with two thread go-gauge mechanisms (2-1) and two thread no-stop gauge mechanisms (2-2), and the two thread go-gauge mechanisms (2-1) are arranged oppositely; the two thread no-go gauge mechanisms (2-2) are arranged, and the two thread no-go gauge mechanisms (2-2) are arranged oppositely; the two thread go gauge mechanisms (2-1) and the two thread no-go gauge mechanisms (2-2) form a rectangle, and a second rotating mechanism is arranged at the center of the rectangle; the second rotating mechanism is used for placing the mounting plate (33) and driving the mounting plate (33) to rotate, the two thread go gauge mechanisms (2-1) are located on the same side of the second rotating mechanism, and the two thread no-go gauge mechanisms (2-2) are located on the other side of the second rotating mechanism; a workpiece pressing mechanism is arranged in the middle of a connecting line between the two thread go gauge mechanisms (2-1), and a workpiece pressing mechanism is arranged in the middle of a connecting line between the two thread no-go gauge mechanisms (2-2);
the mounting plate (33) is provided with two mounting positions, a workpiece to be detected is mounted on the mounting positions, the midpoint of a connecting line between the two mounting positions is a connecting point of a first rotating mechanism and a second rotating mechanism, the first rotating mechanism and the second rotating mechanism can drive the mounting plate (33) to rotate around the midpoint in a horizontal plane, the mounting plate (33) is detachably connected with the first rotating mechanism, and the mounting plate (33) is detachably connected with the second rotating mechanism; when the mounting plate (33) rotates to the detection position, the workpiece pressing mechanism is located right above the mounting position.
2. The automatic adjusting arm detecting line according to claim 1, wherein the go gauge detecting mechanism (1-1) and the no-go gauge detecting mechanism (1-2) each include a plug gauge base plate (5) and a plug head base (6), the plug gauge base plate (5) is provided with a plug gauge driving motor (7), an output shaft of the plug gauge driving motor (7) is provided with a plug gauge lead screw (8), the rear end of the plug gauge base plate (6) is provided with a plug gauge lead screw base (9), the plug gauge lead screw base (9) is in fit connection with the plug gauge lead screw (8), the bottom surface of the plug gauge base (6) is provided with a first sliding block, the plug gauge base plate (5) is provided with a first sliding rail (10), the length direction of the first sliding rail (10) is the axial direction of the plug gauge lead screw (8), the first sliding block is in fit connection with the first sliding rail (10), the plug gauge base plate (5) is further provided with a displacement sensor (11), the displacement sensor (11) is used for detecting the plug gauge lead screw (6), the displacement sensor (7) is connected with the plug gauge lead screw base (7), and one end of the plug gauge lead screw (7) is connected with a torque sensor (12), and the plug gauge lead screw base (7) is connected with the plug gauge lead screw base (12);
in the go gauge detection mechanism (1-1), a go gauge plug head (13-1) is mounted at the front end of the plug head seat; in the no-go gauge detection mechanism (1-2), a no-go gauge plug head (13-2) is installed at the front end of the plug head seat;
the two go gauge plugs (13-1) are arranged oppositely, and the two no-go gauge plugs (13-2) are arranged oppositely.
3. The automatic adjusting arm detecting line according to claim 1, wherein the thread go gauge mechanism (2-1) and the thread no-go gauge mechanism (2-2) each comprise a thread go gauge base plate (14), a horizontal electric screwdriver (15-1) is mounted on the thread go gauge base plate, a thread go-no-go gauge base (16) is arranged on a side surface of the thread go gauge base plate (14), a thread go-no-go detection table (2) is provided with a thread go gauge driving motor (17), an output shaft of the thread go gauge driving motor (17) is provided with a thread go gauge rod (18), the thread go gauge rod (18) is mounted in a matching manner with the thread go gauge base (16), and the thread go gauge driving motor (17) is provided with an encoder;
the horizontal electric screwdriver (15-1) comprises a first electric screwdriver driving motor (19-1), a first electric screwdriver rotating shaft (20-1) is arranged on an output shaft of the first electric screwdriver driving motor (19-1), a first thread gauge torque sensor (21-1) is arranged between the first electric screwdriver driving motor (19-1) and the first electric screwdriver rotating shaft (20-1), one end of a rotating shaft of the first thread gauge torque sensor (21-1) is connected with the output shaft of the first electric screwdriver driving motor (19-1), and the other end of the rotating shaft of the first thread gauge torque sensor (21-1) is connected with the first electric screwdriver rotating shaft (20-1);
in the screw thread go gauge mechanism (2-1), a screw thread go gauge plug (22-1) is installed on the electric screwdriver rotating shaft; in the screw no-go gauge mechanism (2-2), a screw no-go gauge plug head (22-2) is installed on the electric screwdriver rotating shaft;
the two screw thread go gauge plugs (22-1) are arranged oppositely, and the two screw thread no-go gauge plugs (22-2) are arranged oppositely.
4. The automatic detection line of the adjusting arm according to claim 1, characterized in that two parallel X-axis driving mechanisms (23) are disposed on the vertical thread detection platform (3), each of the two X-axis driving mechanisms (23) includes a column (24), and the X-axis driving mechanism (23) can drive the column (24) to move along the X-axis driving mechanism; the upper ends of the upright posts (24) are provided with Y-axis driving mechanisms (25), two ends of each Y-axis driving mechanism (25) in the length direction are respectively installed at the top ends of the two upright posts (24), each Y-axis driving mechanism (25) comprises a Y-axis slide carriage (26), and each Y-axis driving mechanism can drive the Y-axis slide carriage (26) to move along the corresponding Y-axis driving mechanism (25); a Z-axis driving mechanism (27) is arranged on the Y-axis slide carriage (26), the Z-axis driving mechanism (27) comprises a Z-axis slide carriage (28) and a Z-axis driving motor (29), the Z-axis driving mechanism (27) can drive the Z-axis slide carriage (28) to move along the Z-axis driving mechanism (27), a vertical electric screwdriver (15-2) is installed on the Z-axis slide carriage (28), and the Z-axis driving motor (29) is provided with an encoder;
the vertical electric screwdriver (15-2) comprises a second electric screwdriver driving motor (19-2), a second electric screwdriver rotating shaft (20-2) is arranged on an output shaft of the second electric screwdriver driving motor (19-2), a second thread gauge torque sensor (21-2) is arranged between the second electric screwdriver driving motor (19-2) and the second electric screwdriver rotating shaft (20-2), one end of a rotating shaft of the second thread gauge torque sensor (21-2) is connected with the output shaft of the second electric screwdriver driving motor (19-2), the other end of the rotating shaft of the second thread gauge torque sensor is connected with the second electric screwdriver rotating shaft (20-2), and a vertical thread gauge (30) is installed on the second electric screwdriver rotating shaft (20-2);
the mounting plate (33) is placed on the table top of the vertical thread detection table (3) and is positioned between the X-axis driving mechanisms (23).
5. The automatic detection line for the adjusting arms of claim 1, wherein the workpiece pressing mechanism is a vertically arranged pressing cylinder (31), a telescopic rod of the pressing cylinder (31) is vertically downward, and a pressing head (32) is arranged at the bottom end of the telescopic rod of the pressing cylinder.
6. The automatic inspection line of the adjusting arm of any one of claims 1 to 5, characterized in that the feeding manipulator (4) is a seven-axis manipulator, the feeding manipulator (4) is mounted on a manipulator track (34), and the plug gauge lead-stop inspection table (1), the thread gauge lead-stop inspection table (2) and the vertical thread inspection table (3) are arranged on the same side of the manipulator track (34);
the plug gauge is led to and is stopped detecting platform (1), the screw gauge leads to and is stopped detecting platform (2) and vertical screw thread detects platform (3) three and sets gradually on same straight line, this straight line with the direction of manipulator track (34) is parallel, the orbital opposite side of manipulator still is equipped with material loading platform (35) and unloading platform (36).
7. A detection method for detecting the opening and the closing of an adjusting arm hole is characterized by comprising the following steps:
s1, plug gauge detection:
1.1 The feeding manipulator (4) grabs the mounting plate (33) with two workpieces from the feeding table (55) and is mounted on the first rotating mechanism;
1.2 The first rotating mechanism drives the mounting plate (33) to rotate, so that two workpieces are positioned below a workpiece pressing mechanism of the plug gauge go-no-go detection table, and the pressing cylinder (31) moves to press the workpieces;
1.3 The go gauge detection mechanism (1-1) carries out go gauge detection on a first workpiece, at the moment, the no-go gauge detection mechanism (1-2) simultaneously carries out no-go gauge detection on a second workpiece, and a displacement sensor (11) and a plug gauge torque sensor (12) record detection data;
1.4 When the workpiece pressing mechanism is released, the first rotating mechanism drives the mounting plate (33) to rotate 180 degrees, and the workpiece pressing mechanism is pressed again;
1.5 A go gauge detection mechanism (1-1) carries out go gauge detection on a second workpiece; at the moment, the no-go gauge detection mechanism (1-2) simultaneously carries out no-go gauge detection on the first workpiece, and the displacement sensor (11) and the plug gauge torque sensor (12) record detection data;
1.6 The plug gauge is communicated with a workpiece pressing mechanism of the detection table;
s2, detecting a thread gauge:
2.1 The feeding manipulator (4) detaches and transfers the mounting plate (33) from the first rotating mechanism and mounts the mounting plate on the second rotating mechanism;
2.2 The second rotating mechanism drives the mounting plate (33) to rotate, so that the two workpieces are positioned below a workpiece pressing mechanism of the thread gauge passing and stopping detection table, the pressing cylinder moves, and the workpieces are pressed;
2.3 The thread go gauge mechanism (2-1) detects a thread go gauge of a first workpiece, the thread no-go gauge mechanism (2-2) simultaneously detects a thread no-go gauge of a second workpiece, and encoders of a first thread go gauge torque sensor (21-1) and a thread go gauge driving motor (17) record detection data;
2.4 When the workpiece pressing mechanism is released, the second rotating motor drives the mounting plate (33) to rotate 180 degrees, and the workpiece pressing mechanism is pressed again;
2.5 The thread go gauge mechanism (2-1) detects a thread go gauge of a second workpiece, the thread no-go gauge mechanism (2-2) simultaneously detects a thread no-go gauge of a first workpiece, and encoders of a first thread gauge torque sensor (21-1) and a thread gauge driving motor (17) record detection data;
2.6 The screw gauge is released by a workpiece pressing mechanism of the check detection table;
s3, detecting the vertical hole thread:
3.1 The feeding manipulator (4) detaches the mounting plate (33) from the second rotating mechanism and transfers the mounting plate to the vertical thread detection table (3);
3.2 X-axis drive mechanism (23) and Y-axis drive mechanism (25) move so that vertical thread gauge (30) is positioned directly above the vertical hole of the first workpiece;
3.3 A Z-axis driving mechanism (27) drives a vertical screwdriver (15-2) to descend, vertical hole thread detection is carried out on the first workpiece, and a second thread gauge torque sensor (21-2) and an encoder of a Z-axis driving motor record detection data;
3.4 The Z-axis driving mechanism (27) ascends, and the X-axis driving mechanism (23) and the Y-axis driving mechanism (25) move to enable the vertical thread gauge to move right above the vertical hole of the second workpiece;
3.5 A Z-axis driving mechanism (27) drives a vertical screwdriver (15-2) to descend, vertical hole thread detection is carried out on a second workpiece, and a second thread gauge torque sensor (21-2) and an encoder of a Z-axis driving motor record detection data;
3.6 Z-axis drive motor up;
s4, completing detection:
4.1 The feeding manipulator (4) transfers the mounting plate (33) from the vertical thread detection table (3) to the discharging table (36);
4.2 Detecting data of plug gauge detection, thread gauge detection and vertical thread detection, and recording qualified products and unqualified products.
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| CN202110546513.2A CN113237408B (en) | 2021-05-19 | 2021-05-19 | Automatic detection line for adjusting arm and detection method for adjusting arm hole through and stop |
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| CN202110546513.2A CN113237408B (en) | 2021-05-19 | 2021-05-19 | Automatic detection line for adjusting arm and detection method for adjusting arm hole through and stop |
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