CN209945181U

CN209945181U - Internal tooth passing detection device

Info

Publication number: CN209945181U
Application number: CN201920587350.0U
Authority: CN
Inventors: 熊海洋; 黄志东
Original assignee: Huizhou Yongli Technology Co Ltd
Current assignee: Huizhou Yongli Technology Co Ltd
Priority date: 2019-04-26
Filing date: 2019-04-26
Publication date: 2020-01-14
Anticipated expiration: 2029-04-26

Abstract

An internal tooth passage detection apparatus includes: frame, pan feeding device, location slip table and screw thread detection mechanism. The pan feeding device includes shakes the dish, the manifold piece, cuts the piece, feeding hose and pan feeding cylinder, and screw thread detection mechanism includes the support, presses and holds the driving piece, rotating electrical machines and leads to the no-go gage, and the support mounting is on the support, and the pressure is held the driving piece and is set up on the support, and rotating electrical machines installs on pressing and holds the driving piece, leads to the no-go gage to set up on rotating electrical machines's output shaft, presses and holds the driving piece and be used for promoting to lead to the vertical rising of lateral wall or the decline of no-go gage along the support, and rotating electrical machines is. The workpiece to be detected is stored in the feeding device, the feeding device automatically transmits the workpiece to be detected one by one on the positioning sliding table, the positioning sliding table is used for clamping and positioning the workpiece to be detected, the motor drives the go-no go gauge to detect the workpiece to be detected, force application is consistent when the workpiece is detected every time, detection errors caused by external factors are avoided, and detection efficiency is improved.

Description

Internal tooth passing detection device

Technical Field

The utility model relates to an automatic detection field especially relates to an interior tooth passes through check out test set.

Background

The go-no go gauge is one of measuring tools, in actual production, if a large batch of products are measured one by using a measuring tool (such as a measuring tool with scales, such as a vernier caliper, a dial indicator and the like), the measurement is very troublesome, qualified products have a measurement range, and the products are qualified in the range, so people adopt the go-no go gauge and the no-go gauge for measurement.

However, the magnitude of the applied force when the product is detected by the go-no go gauge is an important factor influencing the detection precision of the go-no go gauge, if the applied force is too small, the go-no go gauge cannot enter the detected product, and the machining dimension of the detected product is judged by mistake to be too small, otherwise, if the applied force is too large, the go-no go gauge enters the detected product, and the misjudgment defective product is qualified, and the precision of the go-no go gauge is damaged, namely a certain operation experience is required for detection by using the go-no go gauge, and the working state of an operator also influences the detection precision.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, providing an interior tooth and passing through check out test set, adopt motor drive go-no-go gauge to detect the product, improve measuring accuracy and quality control efficiency.

The purpose of the utility model is realized through the following technical scheme:

an internal tooth passage detection apparatus includes: the device comprises a rack, a feeding device, a positioning sliding table and a thread detection mechanism;

the feeding device comprises a vibration disc, a manifold block, a cutting block, a feeding hose and a feeding cylinder, the vibration disc is arranged on the frame, the manifold block is arranged on the discharge end of the vibration disc, the manifold block is provided with a chute, a feeding groove, a pump air hole and a discharge hole, the feeding groove is positioned in the middle of the manifold block, the pump air hole and the discharge hole are respectively positioned on two opposite sides of the manifold block, the pump air hole and the discharge hole are both communicated with the sliding groove, the central line of the pump air hole is superposed with the central line of the discharge hole, the feeding groove is respectively communicated with the vibration disc and the chute, the cutting block is accommodated in the sliding groove, a transfer hole is formed in the cutting block, and the feeding cylinder pushes the cutting block to perform reciprocating translation along the inner side wall of the sliding groove so as to drive the transfer hole to be alternately communicated with the feeding groove and the discharge hole;

the positioning sliding table is mounted on the rack, an outlet of the feeding hose is arranged towards the positioning sliding table, and the positioning sliding table is used for driving a workpiece to be detected to move towards a direction close to the thread detection mechanism;

the thread detection mechanism comprises a support, a pressing and holding driving piece, a rotating motor and a go-no go gauge, the support is installed on the support, the pressing and holding driving piece is arranged on the support, the rotating motor is installed on the pressing and holding driving piece, the go-no go gauge is arranged on an output shaft of the rotating motor, the pressing and holding driving piece is used for pushing the go-no go gauge to be along the outer side wall of the support is vertically raised or lowered, and the rotating motor is used for driving the go-no go gauge to rotate.

In one embodiment, the thread detection mechanism further includes a quick-change connector, and two ends of the quick-change connector are respectively connected with the output shaft of the rotating electrical machine and the go-no go gauge.

In one embodiment, the quick-change connector is provided with a central hole and a hexagonal mounting hole, the central hole is communicated with the hexagonal mounting hole, the output shaft of the rotating motor penetrates through the central hole, and the go-no gauge penetrates through the hexagonal mounting hole.

In one embodiment, the thread detection mechanism further comprises a floating compensation assembly, the floating compensation assembly is mounted on the pressing driving piece, and the rotating motor is arranged on the floating compensation assembly.

In one embodiment, the floating compensation assembly comprises a transverse sliding rail, a longitudinal sliding rail, a transverse limiting bracket, a longitudinal limiting bracket, a transverse compensation spring and a longitudinal compensation spring, the transverse limiting bracket is mounted on the pressing and holding driving member, the transverse sliding rail is arranged in the transverse limiting bracket, two ends of the transverse compensation spring are respectively abutted to the inner side walls of the transverse sliding rail and the transverse limiting bracket, the longitudinal limiting bracket is arranged on the transverse sliding rail, the longitudinal sliding rail is mounted in the limiting bracket, two ends of the longitudinal compensation spring are respectively abutted to the inner side walls of the longitudinal sliding rail and the longitudinal limiting bracket, and the rotating motor is mounted on the longitudinal sliding rail.

In one embodiment, the positioning sliding table comprises a transfer cylinder, a bearing table and a guide sliding rail, the guide sliding rail is installed on the rack, the bearing table is arranged on the guide sliding rail, and the transfer cylinder is used for driving the bearing table to move towards or away from the direction of the thread detection mechanism along the guide sliding rail.

In one embodiment, the carrier stage has a positioning hole for receiving a workpiece to be measured.

In one embodiment, the positioning sliding table further comprises a bushing, and the bushing is embedded in the positioning hole.

In one embodiment, the feeding device further includes a feeding guide bracket, the feeding guide bracket is provided with a guide hole, the guide hole is located right above the positioning hole, and a center line of the guide hole coincides with a center line of the positioning hole.

In one embodiment, the positioning sliding table further comprises a cushion block, the cushion block is mounted on the frame, and the cushion block is located right below the positioning hole.

The inner tooth passes through the check out test set and through setting up the frame, the pan feeding device, location slip table and screw thread detection mechanism, the work piece storage that awaits measuring is in the pan feeding device, the pan feeding device is automatic will await measuring the work piece and transmit on the slip table of location one by one, the slip table of location carries out the centre gripping location to the work piece that awaits measuring, and transfer the work piece that awaits measuring to screw thread detection mechanism in, be provided with the motor on the screw thread detection mechanism, drive the logical no-go gage through the motor and detect the work piece that awaits measuring, the application of force is unanimous when guaranteeing to detect the work piece at every turn, the.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of an internal tooth passage detection device;

FIG. 2 is a partial structure diagram of an internal tooth passing detection device;

fig. 3 is a schematic structural view of a positioning slide table according to an embodiment of the present invention;

FIG. 4 is a schematic diagram illustrating an internal structure of the feeding device in an initial state according to an embodiment of the present invention;

FIG. 5 is a schematic view of the feeding device shown in FIG. 4 in a feeding state;

FIG. 6 is a partial cross-sectional view of the positioning ramp of FIG. 3 from another perspective;

FIG. 7 is a schematic structural diagram of a floating compensation device according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a blanking assembly according to an embodiment of the present disclosure;

fig. 9 is an enlarged partial schematic view at a of fig. 1.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, an internal tooth passage detection apparatus 10 includes: the device comprises a rack 100, a feeding device 200, a positioning sliding table 300 and a thread detection mechanism 400; the workpiece to be detected is stored in the feeding device 200, the feeding device 200 automatically and one by one transmits the workpiece to be detected on the positioning sliding table 300, the positioning sliding table 300 clamps and positions the workpiece to be detected and transfers the workpiece to be detected to the thread detection mechanism 400, the thread detection mechanism 400 is provided with a motor, the motor drives the go-no go gauge to detect the workpiece to be detected, force application is consistent when the workpiece is detected every time, detection errors caused by external factors are avoided, and detection efficiency is improved.

Referring to fig. 1 and 2, the feeding device 200 includes a vibration plate 210, a manifold block 220, a cutting block 230, a feeding hose 240 and a feeding cylinder 250, the vibration plate 210 is mounted on the frame 100, the manifold block 220 is disposed on the discharging end of the vibration plate 210, the manifold block 220 is provided with a chute 221, a feeding groove 222, a pumping hole 223 and a discharging hole 224, the feeding groove 222 is located at the middle position of the manifold block 220, the pumping hole 223 and the discharging hole 224 are respectively located on two opposite sides of the manifold block 220, the pumping hole 223 and the discharging hole 224 are both communicated with the chute 221, and the central line of the pump air hole 223 coincides with the central line of the discharge hole 224, the feeding groove 222 is respectively communicated with the vibration disc 210 and the sliding groove 221, the cutting block 230 is accommodated in the sliding groove 221, the transfer hole 231 is formed in the cutting block 230, and the feeding cylinder 250 pushes the cutting block 230 to reciprocate and translate along the inner side wall of the sliding groove 221 so as to drive the transfer hole 231 to be alternately communicated with the feeding groove 222 and the discharge hole 224.

Referring to fig. 4 and 5, a workpiece to be tested is stored in the vibration plate 210, the workpiece to be tested enters the feeding groove 222 on the manifold block 220 from the output end of the vibration plate 210, and at this time, the workpiece to be tested abuts against the outer side wall of the cutting block 230 and stops advancing, when the feeding device 200 performs a feeding action, the feeding cylinder 250 extends out to push the cutting block 230 to slide along the inner side wall of the chute 221, when the cutting block 230 stops, the feeding groove 222 is communicated with the transfer hole 231 on the cutting block 230, the workpiece to be tested which is originally abutted against the cutting block 230 in the feeding groove 222 is pushed into the transfer hole 231 by the subsequent workpiece to be tested, that is, the workpiece to be tested is transferred from the manifold block 220 to the cutting block 230, then the feeding cylinder 250 retracts, and pulls the cutting block 230 to return to the initial position, at this time, the transfer hole 231 on the cutting block 230 is respectively communicated with the pump air hole 223 and the discharge hole 224, and at this time, the axes of the transfer hole 231, the pump, at this moment, the transfer hole 231 and the discharge hole 224 form a channel, the workpiece to be detected is located in the channel, the pump air hole 223 is communicated with the air pump, when the pump air hole 223, the transfer hole 231 and the discharge hole 224 are communicated, the pressurized air in the air pump can push the workpiece to be detected in the transfer hole 231 to move towards the discharge hole 224, and slide on the inner wall of the feeding hose 240 under the action of air pressure until the workpiece to be detected is pushed into the positioning sliding table 300, and the workpiece to be detected is transferred to the detection mechanism 400 by the positioning sliding table 300 for detection.

Referring to fig. 1 and fig. 2, the feeding device 200 is disposed on the frame 100; the positioning sliding table 300 is mounted on the rack 100, the feeding device 200 is used for driving a workpiece to be detected to enter the positioning sliding table 300, and the positioning sliding table 300 is used for driving the workpiece to be detected to move towards the direction close to the detection mechanism 400; the detection mechanism 400 comprises a support 410, a pressing driving piece 420, a rotating motor 430 and a go-no go gauge 440, wherein the support 410 is installed on the support 410, the pressing driving piece 420 is arranged on the support 410, the rotating motor 430 is installed on the pressing driving piece 420, the go-no go gauge 440 is arranged on an output shaft of the rotating motor 430, the pressing driving piece 420 is used for pushing the go-no go gauge 440 to vertically ascend or descend along the outer side wall of the support 410, and the rotating motor 430 is used for driving the go-no go gauge 440 to rotate.

Referring to fig. 1 and 2, a workpiece to be tested is placed into the feeding device 200, the feeding device 200 conveys the workpiece to be tested one by one to the positioning sliding table 300, the positioning sliding table 300 clamps and positions the workpiece to be tested, the workpiece to be tested moves in a direction close to the bracket 410, after the workpiece to be tested moves to a position under the go-no-go gauge 440, the pressing driving member 420 starts to drive the go-no-go gauge 440 to descend, the rotating motor 430 drives the go-no-go gauge 440 to rotate, the go-no-go gauge 440 is in contact with the workpiece to be tested under the combined action of the rotating motor 430 and the pressing driving member 420 and moves in a direction close to the workpiece to be tested until resistance generated between the go-no-go gauge 440 and the workpiece to be tested is larger than the combined force of the rotating motor 430 and the pressing driving member 420, if the position of the go-no-go gauge 440 is within a preset range, the workpiece to be tested is qualified, otherwise, that the position of the go-no-go gauge 440 is higher than the upper limit of And (4) qualified, namely, whether the machining size of the workpiece to be measured is qualified is fed back by judging the descending distance of the go-no go gauge 440.

Referring to fig. 1 and fig. 2, it should be noted that the go-no-go gauge 440 has a go end and a no-go end, when the go-no-go gauge 440 is used to detect a workpiece, for example, to detect a threaded hole on the workpiece, the go end of the go-no-go gauge 440 needs to be screwed into the threaded hole of the workpiece to be detected, if the go end of the go-no-go gauge 440 can be screwed into the threaded hole of the workpiece to be detected, it is indicated that the size of the threaded hole of the workpiece to be detected is greater than the lower limit of the target size range, and the size of the threaded hole is qualified, otherwise, it is indicated that the size of the threaded hole of the workpiece to be detected is smaller than the lower limit of the target size; if the through end of the go-no go gauge 440 can pass through the threaded hole of the workpiece to be tested, next detection is carried out, the stop end of the go-no go gauge 440 is pushed to the threaded hole of the workpiece to be tested, if the stop end of the go-no go gauge 440 cannot enter the threaded hole of the workpiece to be tested, it is indicated that the size of the threaded hole is smaller than the upper limit of the target size range, the workpiece to be tested is qualified, otherwise, it is indicated that the size of the threaded hole is larger than the upper limit of the target size range, the workpiece to be tested is a defective product, namely, it is determined whether the workpiece is qualified and it is required to respectively contact the through end and the stop end of the. After the go-no go gauge 440 is arranged on the rotating motor 430, the go-no go gauge 440 is located below the go-no go gauge, that is, when the go-no go gauge 440 is lowered to contact with the workpiece to be measured, the go-no go gauge 440 is firstly contacted with the workpiece to be measured, if the resistance generated between the go-no go gauge 440 and the workpiece to be measured is greater than the combined force of the pressing and holding driving member 420 and the rotating motor 430 to stop the go-no go gauge 440 from being lowered, it indicates that the machining size on the workpiece to be measured is smaller than the lower limit of the target size range, the workpiece to be measured is a defective product, otherwise, if the go-no go gauge 440 is continuously lowered until the go-no go gauge 440 starts to be contacted with the workpiece to be measured, if the resistance generated by the contact between the go-no go gauge 440 and the workpiece to be measured is greater than the combined force of the pressing and holding driving member 420 and the rotating motor 430 to stop the go-no, the go/no-go gauge 440 will continue to descend until reaching the maximum travel of the pressing/holding driving member 420, which indicates that the size of the workpiece to be measured is larger than the upper limit of the target size range, and the workpiece to be measured is a defective product.

Referring to fig. 1 and 9, further, in order to more accurately detect whether the position of the stop gauge 440 stopping descending is within the target dimension range, the internal tooth passage detecting apparatus 10 further includes a displacement monitoring assembly 500, the displacement monitoring assembly 500 includes a mounting frame 510, an upper limit monitoring switch 520, a lower limit monitoring switch 530 and a blocking piece 540, the blocking piece 540 is mounted on the pressing driving member 420, the blocking piece 540 ascends or descends along with the pressing driving member 420 when the pressing driving member 420 drives the stop gauge 440 to ascend or descend, the mounting frame 510 is mounted on the rack 100, the upper limit monitoring switch 520 and the lower limit monitoring switch 530 are spaced on the mounting frame 510, the upper limit monitoring switch 520 is located right below the lower limit monitoring switch 530, the blocking piece 540 descends to sequentially pass through the lower limit monitoring switch 530 and the upper limit monitoring switch 520, that is, when the blocking sheet 540 descends, the blocking sheet 540 passes through the lower limit monitoring switch 530 first, and then passes through the upper limit monitoring switch 520, and when the blocking sheet 540 passes through the lower limit monitoring switch 530 or the upper limit monitoring switch 520, the lower limit monitoring switch 530 or the upper limit monitoring switch 520 is triggered respectively. Specifically, when a workpiece to be detected is detected, if the size of the workpiece to be detected is within the target size range, the blocking piece 540 triggers the lower limit monitoring switch 530, and does not trigger the upper limit monitoring switch 520; if the size of the workpiece to be detected is smaller than the target size range, the blocking piece 540 cannot trigger the lower limit monitoring switch 530 and the upper limit monitoring switch 520; if the size of the workpiece to be detected is larger than the target size range, the lower limit monitoring switch 530 and the upper limit monitoring switch 520 are triggered by the baffle sheet 540, whether the size of the workpiece to be detected falls into the target size range or not is judged by judging whether the lower limit monitoring switch 530 and the upper limit monitoring switch 520 are triggered or not, the installation positions of the lower limit monitoring switch 530 and the upper limit monitoring switch 520 on the installation frame 510 are changed to correspond to different products, the detection is more flexible, and the equipment debugging is more convenient.

Referring to fig. 1 and fig. 3, the positioning sliding table 300 is mounted on the frame 100, an outlet of the feeding hose 240 is disposed toward the positioning sliding table 300, and the positioning sliding table 300 is used for driving the workpiece to be detected to move toward the direction close to the detecting mechanism 400; positioning sliding table 300 is used for clamping and positioning the workpiece to be detected, and conveys the fixed workpiece to be detected to detection position of detection mechanism 400, and when the workpiece to be detected is positioned, the position to be detected on the workpiece to be detected is arranged upwards, so that detection mechanism 400 detects, and in order to avoid the workpiece to be detected to shake in the detection process and lead to a test error, the workpiece to be detected needs to be clamped.

Referring to fig. 3 and 6, in an embodiment, in order to improve the positioning accuracy of the positioning sliding table 300 and optimize the clamping effect thereof, the positioning sliding table 300 includes a transfer cylinder 310, a bearing table 320, a guide sliding rail 330, a bushing 340, a pad 350, a clamping cylinder 360 and a clamping shaft 370, the guide sliding rail 330 is mounted on the rack 100, the bearing table 320 is disposed on the guide sliding rail 330, the transfer cylinder 310 is used for driving the bearing table 320 to move along the guide sliding rail 330 toward or away from the detection mechanism 400, a positioning hole 321 and a clearance hole 322 are disposed on the bearing table 320, the clearance hole 322 is communicated with the positioning hole 321, the positioning hole 321 is used for accommodating a workpiece to be detected, and the bushing 340 is embedded in the positioning hole 321. The cushion block 350 is mounted on the frame 100, and the cushion block 350 is located right below the positioning hole 321; the clamping cylinder 360 is installed on the frame 100, the clamping shaft 370 is arranged on the clamping cylinder 360, and the clamping shaft 370 penetrates through the avoiding hole 322, the clamping cylinder 360 is used for driving the clamping shaft 370 to move back and forth towards the direction close to or away from the axis of the positioning hole 321, the clamping cylinder 360 extends out in the initial state, the clamping shaft 370 is away from the axis of the positioning hole 321, after the workpiece to be measured enters the positioning hole 321, the clamping cylinder 360 extends out and retracts, and the clamping shaft 370 is inserted into the positioning hole 321 and abutted against the outer side wall of the workpiece to be measured so as to clamp the workpiece to be measured.

Referring to fig. 1 and 8, further, after the detection of the workpiece to be detected is completed, the workpiece to be detected needs to be blanked, and it is determined whether the machining size of the workpiece to be detected is qualified in the detection process, and the workpiece needs to be sorted in the blanking process, in order to save the equipment space and improve the sorting efficiency, the internal tooth passage detection equipment 10 further includes a blanking assembly 600, the blanking assembly 600 includes a sorting cylinder 610, a blanking slide 620, a product collection box 630 and a defective product recovery box 640, the rack 100 is provided with a blanking hole 110, the blanking hole 110 is located right below a go-no-go gauge 440, the product collection box 630 and the defective product recovery box 640 are arranged at the bottom of the rack 100 at intervals, the product collection box 630 is located right below the blanking hole 110, the sorting cylinder 610 is mounted on the rack, and the sorting cylinder 610 is located on the side of the rack 100 away from the positioning slide 300, the discharging slide 620 is installed on the sorting cylinder 610, and the sorting cylinder 610 is used for driving the discharging slide 620 to be close to or far away from the discharging hole 110.

Referring to fig. 1 and 8, after the workpiece to be tested is detected, the clamping cylinder 360 extends out to make the clamping shaft 370 away from the workpiece to be tested, and the workpiece to be tested descends under the action of gravity after losing the clamping, passes through the blanking hole 110 and is loaded into the blanking assembly 600 to be collected by the blanking assembly 600.

Referring to fig. 1 and 8, when the workpiece to be measured is a qualified product, the clamping cylinder 360 extends out to make the clamping shaft 370 away from the workpiece to be measured, and the workpiece to be measured falls down under the action of gravity and falls into the product collection box 630 after being clamped; when the work piece that awaits measuring is the defective products, letter sorting cylinder 610 stretches out, and unloading slide 620 removes blanking hole 110 below under its effect, and unloading slide 620 retrieves box 640 towards the defective products this moment, and die clamping cylinder 360 stretches out for the work piece that awaits measuring is kept away from to clamping shaft 370, and the work piece that awaits measuring falls to unloading slide 620 under the action of gravity after losing the centre gripping, and the work piece that awaits measuring falls to the defective products along unloading slide 620 in retrieving box 640, accomplishes the letter sorting action of product.

Referring to fig. 3, further, in order to prevent the workpiece to be measured from being jammed when entering the positioning hole 321 of the loading platform 320 through the feeding hose 240, the feeding device 200 further includes a feeding guide bracket 260, the feeding guide bracket 260 is installed on the rack 100, the feeding guide bracket 260 is provided with a guide hole 261, the guide hole 261 is located right above the positioning hole 321, and a center line of the guide hole 261 coincides with a center line of the positioning hole 321.

Referring to fig. 1 and 2, the detecting mechanism 400 includes a bracket 410, a pressing driving member 420, a rotating motor 430 and a go-no go gauge 440, the bracket 410 is installed on the bracket 410, the pressing driving member 420 is disposed on the bracket 410, the rotating motor 430 is installed on the pressing driving member 420, the go-no go gauge 440 is disposed on an output shaft of the rotating motor 430, the pressing driving member 420 is used for pushing the go-no go gauge 440 to vertically rise or fall along an outer side wall of the bracket 410, and the rotating motor 430 is used for driving the go-no go gauge 440 to rotate.

Taking the part to be measured of the workpiece to be measured as a threaded hole as an example, the go-no go gauge 440 is a thread gauge at this time, the pressing and driving piece 420 is a cylinder, the pressing and driving piece 420 drives the go-no go gauge 440 to descend so that the go-no go gauge 440 is contacted with the workpiece to be measured on the positioning sliding table 300, at this time, the go-no go gauge 440 is overlapped with the central axis of the threaded hole on the workpiece to be measured, the rotating motor 430 drives the go-no go gauge 440 to rotate, so that the go-no go gauge 440 starts to be screwed into the threaded hole of the workpiece to be measured until the resistance generated between the go-no go gauge 440 and the threaded hole of the workpiece to be measured is greater than the rotating torque force set by the rotating; and then the rotating motor 430 drives the go-no go gauge 440 to rotate reversely, so that the go-no go gauge 440 is screwed out from the threaded hole of the workpiece to be detected, and then the pressing driving piece 420 retracts to drive the go-no go gauge 440 to return to the initial position, thereby completing the quality inspection operation of the threaded hole of the workpiece to be detected. The pressure value of the pressure holding driving member 420 during descending is controlled by the air pump, the pressure value of the pressure holding driving member 420 during descending is equal to the air source pressure multiplied by the cylinder diameter of the pressure holding driving member 420, and the cylinder diameter of the pressure holding driving member 420 is determined during model selection, so that the pressure value of the pressure holding driving member 420 during descending can be changed only by changing the air source pressure, and the pressure of the air source can be regulated and controlled through a pressure regulating valve and other means, namely, the pressure value of the pressure holding driving member 420 during descending is determinable, and under the normal working condition, the pressure of the pressure holding driving member 420 during descending is invariable every time when the go-no-go gauge 440 is driven by the pressure holding driving member 420, so that the pressure value is stable when the workpiece to be detected, and the detection.

The go-no go gauge 440 is driven by the rotating electrical machine 430 to rotate, that is, when the go-no go gauge 440 is screwed into the threaded hole of the workpiece to be detected, the torque thereof is controlled by the rotating electrical machine 430, the output torque of the rotating electrical machine 430 is controllable, when the rotating electrical machine 430 operates normally, the torque force for driving the go-no go gauge 440 to be screwed into and out of the threaded hole of the workpiece to be detected is consistent every time, the stability of the torque force value when the workpiece to be detected is ensured, and the accuracy of detection is further improved. In one embodiment, the rotating motor 430 is a servo motor, which can control the speed and position accurately, and can convert the voltage signal into torque and rotation speed to drive the controlled object. The rotation speed of the rotor of the servo motor is controlled by an input signal and can quickly respond, the servo motor is used as an actuating element in an automatic control system, has the characteristics of small electromechanical time constant, high linearity, starting voltage and the like, and can convert a received electric signal into angular displacement or angular speed on a motor shaft for output. The main characteristics of the servo motor are that when the signal voltage is zero, the servo motor has no self-rotation phenomenon, and the rotating speed is reduced at a constant speed along with the increase of the torque, so as to more accurately screw the control on-off gauge 440 into the torque force of the threaded hole of the workpiece to be measured.

The rotating motor 430 is matched with the pressing and holding driving piece 420, so that the go-no go gauge 440 detects the workpiece to be detected at each time by rated pressure and torque values, misjudgment caused by human factors is prevented, the detection accuracy is improved, and labor force is liberated.

Referring to fig. 2 and 7, further, according to actual use requirements, the sizes of products are various, that is, positions to be detected on a workpiece to be detected may be threaded holes, circular holes, etc., sizes of the workpiece to be detected are different, in order to avoid resource waste, the internal teeth are required to have the capability of detecting workpieces of various sizes through the apparatus 10, and different go-no go gauges 440 are required to be replaced when detecting different workpieces to be detected, so that, in order to improve universality of the internal teeth passing through the apparatus 10, the go-no go gauge 440 is required to have a function of quick replacement, the detection mechanism 400 further includes a quick-change connector 450, two ends of the quick-change connector 450 are respectively connected with an output shaft of the rotating electrical machine 430 and the go-no go gauge 440, the quick-change connector 450 is provided with a central hole and a hexagonal mounting hole, the central hole is communicated with the hexagonal mounting hole, the output shaft of the rotating electrical machine, the go-no go gauge 440 is inserted into the hexagonal mounting hole. That is, the rotating electrical machine 430 and the go-no-go gauge 440 are connected with each other through the quick-change connector 450, and when a product on the production line is replaced, the go-no-go gauge 440 only needs to be taken out from the hexagonal mounting hole and replaced with the go-no-go gauge 440 matched with a new product.

Referring to fig. 2 and 7, further, when the go/no-go gauge 440 is used to inspect the threaded hole of the workpiece to be inspected, it is required to ensure that the center line of the go/no-go gauge 440 and the center line of the threaded hole of the workpiece to be inspected are on the same straight line, otherwise, the go/no-go gauge 440 is easily stuck when being screwed into the threaded hole of the workpiece to be inspected, which causes misjudgment, in actual production, due to errors caused by part processing and assembly, after the workpiece to be inspected is transferred to the inspection position of the inspection mechanism 400 by the positioning sliding table 300, the center line of the threaded hole on the workpiece to be inspected and the center line of the go/no-go gauge 440 have a deviation, in order to reduce the deviation caused during processing and assembly, the apparatus needs to be debugged many times, however, the debugging takes much time, and the debugging is performed after the go/no-go gauge 440 is replaced, which may delay the quality inspection efficiency, the floating compensation assembly 460 is mounted on the pressing driving member 420, and the rotating electrical machine 430 is disposed on the floating compensation assembly 460. The floating compensation assembly 460 includes a transverse sliding rail 461, a longitudinal sliding rail 462, a transverse limiting bracket 463, a longitudinal limiting bracket 464, a transverse compensation spring 465 and a longitudinal compensation spring 466, the transverse limiting bracket 463 is installed on the pressing and holding driving member 420, the transverse sliding rail 461 is arranged in the transverse limiting bracket 463, two ends of the transverse compensation spring 465 are respectively abutted with inner side walls of the transverse sliding rail 461 and the transverse limiting bracket 463, the longitudinal limiting bracket 464 is arranged on the transverse sliding rail 461, the longitudinal sliding rail 462 is installed in the limiting bracket, two ends of the longitudinal compensation spring 466 are respectively abutted with inner side walls of the longitudinal sliding rail 462 and the longitudinal limiting bracket 464, and the rotating motor 430 is installed on the longitudinal sliding rail 462.

The inner tooth passes through the detection equipment and is provided with the rack 100, the feeding device 200, the positioning sliding table 300 and the detection mechanism 400, workpieces to be detected are stored in the feeding device 200, the feeding device 200 automatically transmits the workpieces to be detected one by one on the positioning sliding table 300, the positioning sliding table 300 clamps and positions the workpieces to be detected, the workpieces to be detected are transferred to the detection mechanism 400, the detection mechanism 400 is provided with a motor, the workpieces to be detected are detected by driving a go-no go gauge through the motor, the force application is consistent when the workpieces are detected every time, the detection error caused by external factors is avoided, and the detection efficiency is improved.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An internal tooth passage detection device, comprising:

a machine frame, a plurality of guide rails and a plurality of guide rails,

a feeding device, which comprises a vibration disc, a manifold block, a cutting block, a feeding hose and a feeding cylinder, the vibration disc is arranged on the frame, the manifold block is arranged on the discharge end of the vibration disc, the manifold block is provided with a chute, a feeding groove, a pump air hole and a discharge hole, the feeding groove is positioned in the middle of the manifold block, the pump air hole and the discharge hole are respectively positioned on two opposite sides of the manifold block, the pump air hole and the discharge hole are both communicated with the chute, the central line of the pump air hole is superposed with the central line of the discharge hole, the feeding groove is respectively communicated with the vibration disc and the chute, the cutting block is accommodated in the sliding groove, a transfer hole is formed in the cutting block, and the feeding cylinder pushes the cutting block to perform reciprocating translation along the inner side wall of the sliding groove so as to drive the transfer hole to be alternately communicated with the feeding groove and the discharge hole;

the positioning sliding table is mounted on the rack, the outlet of the feeding hose is arranged towards the positioning sliding table, and the positioning sliding table is used for driving a workpiece to be detected to move towards the direction close to the thread detection mechanism;

screw thread detection mechanism, screw thread detection mechanism includes the support, presses and holds driving piece, rotating electrical machines and leads to the no-go gage, the support mounting in on the support, press hold the driving piece set up in on the support, the rotating electrical machines install in press hold on the driving piece, lead to the no-go gage set up in on the output shaft of rotating electrical machines, press and hold the driving piece and be used for promoting lead to the no-go gage edge the vertical rising of lateral wall of support or decline, the rotating electrical machines is used for the drive lead to the no-go gage is rotatory.

2. The internal thread passage detection apparatus according to claim 1, wherein the thread detection mechanism further includes a quick-change coupler, and both ends of the quick-change coupler are respectively connected to the output shaft of the rotating electrical machine and the go/no-go gauge.

3. The internal tooth passage detection device according to claim 2, wherein the quick-change connector is provided with a center hole and a hexagonal mounting hole, the center hole is communicated with the hexagonal mounting hole, the output shaft of the rotating motor penetrates through the center hole, and the go-no go gauge penetrates through the hexagonal mounting hole.

4. The internal thread passage detection apparatus according to claim 1, wherein the thread detection mechanism further comprises a floating compensation assembly mounted to the pressure-holding driving member, the rotating electric machine being provided on the floating compensation assembly.

5. The internal tooth passage detection device according to claim 4, wherein the floating compensation assembly comprises a transverse slide rail, a longitudinal slide rail, a transverse limiting bracket, a longitudinal limiting bracket, a transverse compensation spring and a longitudinal compensation spring, the transverse limiting bracket is mounted on the pressing and holding driving member, the transverse slide rail is arranged in the transverse limiting bracket, two ends of the transverse compensation spring are respectively abutted against the transverse slide rail and the inner side wall of the transverse limiting bracket, the longitudinal limiting bracket is arranged on the transverse slide rail, the longitudinal slide rail is mounted in the limiting bracket, two ends of the longitudinal compensation spring are respectively abutted against the longitudinal slide rail and the inner side wall of the longitudinal limiting bracket, and the rotating motor is mounted on the longitudinal slide rail.

6. The internal tooth passage detection device according to claim 1, wherein the positioning sliding table comprises a transfer cylinder, a bearing table and a guide sliding rail, the guide sliding rail is mounted on the rack, the bearing table is arranged on the guide sliding rail, and the transfer cylinder is used for driving the bearing table to move along the guide sliding rail in a direction close to or away from the thread detection mechanism.

7. The internal tooth passage detection device according to claim 6, wherein the bearing table is provided with a positioning hole for receiving a workpiece to be detected.

8. The internal tooth passage detection device according to claim 7, wherein the positioning slide table further comprises a bushing embedded in the positioning hole.

9. The internal tooth passage detection device according to claim 7, wherein the feeding device further comprises a feeding guide support, the feeding guide support is provided with a guide hole, the guide hole is located right above the positioning hole, and the center line of the guide hole coincides with the center line of the positioning hole.

10. The internal tooth passage detection device according to claim 7, wherein the positioning slide table further comprises a cushion block, the cushion block is mounted on the frame, and the cushion block is located right below the positioning hole.