Detection equipment of position sensor

Abstract

The utility model provides a detection device of a position sensor, which comprises a support plate, a limit plate vertically arranged on the top of the support plate, a receding opening arranged on the support plate on the side of the limit plate, a support seat arranged on one side of the limit plate close to the receding opening, and the top of the support seat lower than the top of the limit plate. A clamping groove is vertically formed in the top of the side, close to the limiting plate, of the supporting base, and a stopping block is arranged at the top of the supporting base. The lifting mechanism movably penetrates through the receding opening, one end of the positioning plate is connected with the lifting mechanism, and the other end of the positioning plate is located above the supporting base. A driving mechanism for moving the butt joint is arranged on the supporting plate; the testing cylinder body is horizontally connected to the top of the supporting plate, a testing iron sheet is arranged on an output shaft of the testing cylinder body, and the testing cylinder body is used for driving the testing iron sheet to be close to or away from the containing shell. The detection device of the position sensor provided by the utility model is a novel detection device.

Description

Technical Field

[0001] The utility model belongs to the technical field of the detection of position sensors, and relates to a detection device for a position sensor. Background Technique

[0002] Position sensors can be divided into two types, contact sensors and proximity sensors. The contact of the contact sensor is actuated by the contact and extrusion of two objects. Common ones include travel switches, two-dimensional matrix position sensors, etc. The travel switch has a simple structure, reliable operation, and low price. When an object touches the travel switch during movement, its internal contact will act, thus completing the control. For example, if travel switches are installed at both ends of the X, Y, and Z axes of a machining center, the movement range can be controlled. The two-dimensional matrix position sensor is installed inside the mechanical palm to detect the contact position with an object. A proximity switch refers to a switch that can send an "action" signal when an object approaches it to a set distance, and it does not need to be in direct contact with the object. There are many types of proximity switches, mainly electromagnetic, photoelectric, differential transformer type, eddy current type, capacitive, reed switch, Hall type, etc. The application of proximity switches in numerically controlled machine tools is mainly for tool selection control of the tool rest, travel control of the workbench, travel control of the piston of the oil cylinder and cylinder, etc.

[0003] Currently, position sensors are used in many fields. For example, a large number of position sensors are used in automobiles, such as in the seats of automobiles. The automobile seat includes a fixed skeleton (fixedly connected to the chassis) and a slide rail slidably connected to the fixed skeleton, and a movable skeleton (for adjusting the front and back of the seat) is provided on the slide rail. When in use, the position sensor fixedly mounts a metal bracket on the fixed skeleton, and at the same time, an induction iron sheet is provided on the movable skeleton or the slide rail. During the use of the vehicle, the position sensor can sense the position of the induction iron sheet (proximity sensor); if the induction iron sheet is at a relatively far distance from the position sensor, then during the driving of the vehicle, if the induction iron sheet quickly approaches the position sensor, the position sensor will transmit a signal to the vehicle ecu, and then according to the program in the ecu, it is judged whether the airbag needs to be ejected; however, if the induction iron sheet is at a relatively close distance from the position sensor (for example, some drivers adjust the seat to the position closest to the steering wheel when driving), then during the driving of the vehicle, if the induction iron sheet approaches the position sensor, the position sensor will also transmit a signal to the vehicle ecu, and through the vehicle ecu, combined with some other information or receipts, it is comprehensively judged whether to control the ejection of the airbag.

[0004] Currently, the structure of the position sensor on a certain model of vehicle in our country available on the market is as Figure 14 and Figure 15As described above, it includes a metal bracket and a plastic housing connected to the bracket, and an induction structure is provided inside the plastic housing. At the same time, the metal bracket includes a connecting portion a connected to the plastic housing, a vertical portion b perpendicular to the connecting portion a, a horizontal portion c horizontally connected to one end of the vertical portion b, and a vertical portion d vertically connected to the other end of the vertical portion b. Among them, a plurality of pre-opened holes e and a fixing post f are provided on the horizontal portion c. The middle of the fixing post f has an internal threaded hole g. Both the pre-opened holes e and the fixing post f are used to connect with the skeleton. The plastic housing includes a housing shell h for accommodating the induction structure and a connecting shell i located on the side of the housing shell h. The connecting shell i is used for electrical connection with the vehicle (connection end), for receiving the vehicle current and voltage, and for transmitting information to the vehicle. Among them, the connecting portion a is used to connect the connecting shell i. At the top of the vertical portion b, there is also a support portion j with a U-shaped cross-section, which is used to support the housing shell h. At the bottom of both the connecting portion a and the housing shell h, there are plastic connecting posts k. The connecting posts k pass through the holes (pre-opened) on the connecting portion a and the support portion j, and the cross-section of part of the connecting posts k becomes larger (similar to riveting), so as to realize the fixed connection between the metal bracket and the plastic housing. Summary of the Utility Model

[0005] The purpose of the present utility model is to provide a detection device for a position sensor, aiming to provide a detection device.

[0006] To achieve the above technical effects, the present utility model provides a detection device for a position sensor, including:

[0007] A support plate, on the top of which a limiting plate is vertically provided. A relief opening is provided on the support plate located on the side of the limiting plate. A support seat is provided on the side of the limiting plate close to the relief opening. The top of the support seat is lower than the top of the limiting plate. A clamping groove is vertically opened at the top of the side of the support seat close to the limiting plate. A termination block is provided at the top of the support seat.

[0008] A positioning plate and a lifting mechanism for controlling the lifting of the positioning plate. The lifting mechanism passes through the relief opening movably. One end of the positioning plate is connected to the lifting mechanism, and the other end is located above the support seat.

[0009] A test cylinder block, which is horizontally connected to the top of the support plate. A test iron sheet is provided on the output shaft of the test cylinder block. The test cylinder block is used to drive the test iron sheet to approach or move away from the housing shell.

[0010] A docking head, and a driving mechanism for moving the docking head is provided on the support plate.

[0011] When detecting the position sensor, the connecting part and the supporting part abut against the top of the limit plate, the vertical part fits against the side of the limit plate close to the support seat, the vertical part is engaged in the engagement groove, the bottom of the horizontal part abuts against the top of the support seat, the end close to the vertical part abuts against the stop block, the top abuts against the lower side of the positioning plate, and the docking head is plugged into the connecting shell.

[0012] The utility model is further configured such that a long strip-shaped air-avoiding groove is provided on the top of the limiting plate, each of the air-avoiding grooves has at least one connecting column, and the length direction of the air-avoiding groove is parallel to the length direction of the engaging groove.

[0013] The utility model is further configured that a positioning boss is provided at the bottom of the positioning plate, and the positioning boss is engaged with a pre-opened hole on the horizontal portion.

[0014] The utility model is further configured that the lifting structure comprises a first cylinder body, and a piston rod of the first cylinder body is fixedly connected to the bottom of the positioning plate.

[0015] The utility model is further configured such that a guide bar is also provided on the top of the support seat, the guide bar and the engaging groove are located on both sides of the support seat, the guide bar abuts against the side of the horizontal part away from the vertical part, and a yield groove for the downward movement of the positioning plate is opened on the top of the guide bar.

[0016] The utility model is further configured such that an auxiliary plate is horizontally arranged between the top of the guide bar and the top of the stop block, the auxiliary plate is higher than the top of the horizontal portion, the auxiliary plate is located on the side of the positioning plate, and the bottom of the auxiliary plate close to one end of the positioning plate is chamfered or rounded.

[0017] The utility model is further configured such that the driving mechanism includes two driving rails arranged in parallel on the top of the support plate, a driving slide seat is horizontally movably buckled between the two driving rails, a driving connecting seat is arranged on the top of the driving slide seat, the docking head is connected to the side of the driving connecting seat, and a second cylinder body is also horizontally arranged on the top of the support plate, and the piston rod of the second cylinder body is fixedly connected to the driving slide seat.

[0018] The utility model is further configured as follows: a feed opening is provided vertically through the top of the support plate, a feed opening rail is also horizontally provided on the top of the support plate, the length direction of the feed opening rail is parallel to the length direction of the engagement groove, a feed table is movably buckled on the feed rail, a feed cylinder for driving the feed table to move is provided on the support plate, a first driving part and a second driving part are provided on the outer side of the feed table, the first driving part is used to act on the end of the support part, the second driving part is used to act on the edge of the vertical part, and the detected position sensor is pushed into the feed opening.

[0019] The utility model is further configured that a material receiving rail is horizontally arranged at the bottom of the support plate, a material receiving seat is movably buckled on the material receiving rail, and a third cylinder body for driving the material receiving seat to move along the length direction of the material receiving rail is arranged at the bottom of the support plate;

[0020] The material receiving seat is provided with a material receiving cylinder which is through-through from top to bottom. The material receiving cylinder includes a receiving cylinder, a buffer cylinder and a lower material cylinder which are connected in sequence from top to bottom. The buffer cylinder is inclined. A qualified dish and a defective dish which are opened upward are also provided below the support plate. The qualified dish and the defective dish are both in a cover shape which is opened upward. The material receiving cylinder is used to guide the position sensor into the qualified dish or the defective dish.

[0021] The utility model is further configured as follows: an adjustment hole is opened on the upper side of the bottom of the buffer cylinder, an adjustment plate is hingedly arranged on the buffer cylinder, and the middle part of the adjustment plate is hinged to the buffer cylinder, the middle part of the adjustment plate is movably located in the adjustment hole, the upper side of the bottom can be moved to abut against the inner wall of the lower barrel or be separated from the inner wall of the lower barrel, an electromagnet is arranged on the lower side of the top, the electromagnet is fixedly connected to the buffer cylinder, when the electromagnet is energized, the adjustment plate blocks the position sensor from falling, and when the electromagnet is de-energized, the position sensor can pass over the adjustment plate and fall out of the lower barrel.

[0022] Compared with the prior art, the utility model provides a detection device for a position sensor. When testing the position sensor, first, after the positioning plate is raised by the lifting mechanism, there is a certain height difference between its bottom and the support seat. Then, after the worker manually takes the position sensor, the position sensor is horizontally moved, and the lower sides of the connecting part and the supporting part are both attached to the top of the limiting plate, the outer side of the vertical part is attached to the limiting plate, at the same time, the lower side of the horizontal part is attached to the top of the support seat, and the vertical part is movably engaged in the engaging groove. Until the end of the horizontal part abuts against the stop block, it indicates that the position of the position sensor reaches the detection position. Then, the lifting mechanism lowers the height of the positioning plate, and presses the horizontal part tightly against the top of the support seat from top to bottom through the positioning plate, at this time, the position stability of the position sensor is better. Then, the docking head moves towards the connection shell under the driving action of the driving mechanism, and finally the docking head is communicated with the connection shell (both power can be supplied and signals can be transmitted out). Then, the test cylinder drives the test iron sheet to approach the accommodating shell, and during the movement of the test iron sheet, the position sensor can output signals through the docking head. At this time, it can be determined whether the position sensor is qualified by the signals output outwards. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic structural diagram of an embodiment of a detection device for a position sensor of the utility model;

[0024] Figure 2 is an internal schematic diagram of an embodiment of a detection device for a position sensor of the utility model;

[0025] Figure 3 is Figure 2 an enlarged view of part A in

[0026] Figure 4 is Figure 2 an enlarged view of part B in

[0027] Figure 5 is a cross-sectional view of an embodiment of a detection device for a position sensor of the utility model;

[0028] Figure 6 is Figure 5 an enlarged view of part C in

[0029] Figure 7 is a schematic diagram of an embodiment of the limiting plate part of a detection device for a position sensor of the utility model Figure 1 ;

[0030] Figure 8 is Figure 7 an enlarged view of part D in

[0031] Figure 9This is a schematic diagram of an embodiment of a position sensor detection device in the utility model. Figure 2 ;

[0032] Figure 10 yes Figure 9 Enlarged view of part E in the middle;

[0033] Figure 11 It is a schematic diagram of an embodiment of a material receiving seat part in a detection device of a position sensor of the utility model;

[0034] Figure 12 yes Figure 11 Enlarged view of part F;

[0035] Figure 13 It is a schematic diagram of an embodiment of a driving slide part in a detection device of a position sensor of the utility model;

[0036] Figure 14 This is a schematic diagram of a position sensor. Figure 1 ;

[0037] Figure 15 This is a schematic diagram of a position sensor. Figure 2 .

[0038] Among them, 1. support plate; 2. limit plate; 3. clearance port; 4. support seat; 6. snap-fit ​​groove; 7. stop block; 8. positioning plate; 9. test cylinder; 10. test iron sheet; 11. docking joint; 12. avoidance groove; 13. positioning boss; 14. first cylinder; 15. guide strip; 16. clearance groove; 17. auxiliary plate; 18. drive slide rail; 19. drive slide seat; 20. drive connection seat; 21. second cylinder; 22. unloading port; 23. unloading rail; 24. unloading platform; 2 5. Material discharge cylinder; 26. First drive unit; 27. Second drive unit; 28. Material receiving rail; 29. ​​Material receiving seat; 30. Third cylinder; 31. Material receiving barrel; 31a. Receiving barrel; 31b. Buffer barrel; 31c. Material discharge barrel; 32. Adjustment hole; 33. Adjustment plate; 34. Electromagnet; a. Connecting part; b. Vertical part; c. Horizontal part; d. Vertical part; e. Pre-opening; f. Fixing column; g. Internal threaded hole; h. Containing shell; i. Connecting shell; j. Supporting part; k. Connecting column. DETAILED DESCRIPTION

[0039] The following is a further detailed description of a position sensor detection device proposed by the utility model in combination with the accompanying drawings and specific embodiments. According to the following description, the advantages and features of the utility model will become clearer. It should be noted that the accompanying drawings are all in a very simplified form and are not in precise proportions, which are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the utility model. The same or similar reference numerals in the accompanying drawings represent the same or similar components.

[0040] A detection device for a position sensor, such as Figures 1 to 15 As shown, including:

[0041] A support plate 1, a limit plate 2 is vertically arranged on the top of the support plate 1, a clearance opening 3 is opened on the support plate 1 located on the side of the limit plate 2, a support seat 4 is arranged on the side of the limit plate 2 close to the clearance opening 3, the top of the support seat 4 is lower than the top of the limit plate 2, a clamping groove 6 is vertically opened on the top of the support seat 4 close to the limit plate 2, and a stop block 7 is arranged on the top of the support seat 4;

[0042] A positioning plate 8 and a lifting mechanism for controlling the lifting of the positioning plate, wherein the lifting mechanism moves through the clearance opening 3, one end of the positioning plate 8 is connected to the lifting mechanism, and the other end is located above the support seat 4;

[0043] A test cylinder 9, the test cylinder 9 is horizontally connected to the top of the support plate 1, a test iron sheet 10 is arranged on the output shaft of the test cylinder 9, and the test cylinder 9 is used to drive the test iron sheet 10 to approach or move away from the containing shell h;

[0044] A docking joint 11, wherein the support plate 1 is provided with a driving mechanism for moving the docking joint 11;

[0045] When detecting the position sensor, the connecting part a and the supporting part j abut against the top of the limit plate 2, the vertical part b fits against the side of the limit plate 2 close to the support seat 4, the vertical part d is engaged in the engagement groove 6, the bottom of the horizontal part c abuts against the top of the support seat 4, the end close to the vertical part d abuts against the stop block 7, the top abuts against the lower side of the positioning plate 8, and the docking joint 11 is plugged into the connecting shell i.

[0046] The top of the limit plate 2 is provided with a long strip of air-avoiding groove 12, each of which has at least one connecting column k, and the length direction of the air-avoiding groove 12 is parallel to the length direction of the engaging groove 6. The bottom of the positioning plate 8 is provided with a positioning convex column 13, and the positioning convex column 13 is engaged with the pre-opening e on the horizontal part c. The lifting structure includes a first cylinder body 14, and the piston rod of the first cylinder body 14 is fixedly connected to the bottom of the positioning plate 8.

[0047] The various structures of the position sensor are not within the scope of protection claimed in this application and are only introduced here for auxiliary explanation; secondly, there is a fixed housing ( Figure 1 The shell in the upper left corner of the middle) and the movable shell ( Figure 1The housing at the lower right corner (of the housing), and the movable housing is driven by the driving slide 19, so that the movable housing naturally opens when placing the position sensor, and the fixed housing abuts against the movable housing during detection; at the same time, there is also a laser marking machine above the support plate 1. If it is a qualified product, the position sensor is laser marked through the opening between the fixed housing and the movable housing.

[0048] A guide bar 15 is further provided at the top of the support seat 4. The guide bar 15 and the engaging groove 6 are located on both sides of the support seat 4. The guide bar 15 abuts against the side of the horizontal portion c away from the vertical portion b. A relief groove 16 for the positioning plate 8 to move downward is provided at the top of the guide bar 15. A auxiliary plate 17 is horizontally arranged between the top of the guide bar 15 and the top of the stop block 7. The auxiliary plate 17 is higher than the top of the horizontal portion c. The auxiliary plate 17 is located at the side of the positioning plate 8, and the bottom of the end of the auxiliary plate 17 close to the positioning plate 8 is chamfered or rounded.

[0049] The driving mechanism includes two driving slide rails 18 horizontally arranged on the top of the support plate 1. A driving slide 19 is horizontally movably buckled between the two driving slide rails 18. A driving connecting seat 20 is arranged at the top of the driving slide 19. The docking head 11 is connected to the side of the driving connecting seat 20. A second cylinder body 21 is also horizontally arranged on the top of the support plate 1. The piston rod of the second cylinder body 21 is fixedly connected to the driving slide 19.

[0050] A blanking port 22 is vertically penetrated through the top of the support plate 1. A blanking rail 23 is also horizontally arranged on the top of the support plate 1. The length direction of the blanking rail 23 is parallel to the length direction of the engaging groove 6. A blanking table 24 is movably buckled on the blanking rail 23. A blanking cylinder body 25 for driving the blanking table 24 to move is arranged on the support plate 1. The outer side of the blanking table 24 is provided with a first driving part 26 and a second driving part 27. The first driving part 26 is used to act on the end of the support part j, and the second driving part 27 is used to act on the edge of the vertical part d, and push the detected position sensor into the blanking port 22.

[0051] A receiving rail 28 is horizontally arranged at the bottom of the support plate 1. A receiving seat 29 is movably buckled on the receiving rail 28. A third cylinder body 30 for driving the receiving seat 29 to move along the length direction of the receiving rail 28 is arranged at the bottom of the support plate 1;

[0052] The material receiving seat 29 is provided with a material receiving cylinder 31 which is through-through from top to bottom. The material receiving cylinder 31 includes a receiving cylinder 31a, a buffer cylinder 31b and a discharge cylinder 31c which are connected in sequence from top to bottom. The buffer cylinder 31b is inclined. A qualified dish and a defective dish which are opened upward are also provided below the support plate 1. The qualified dish and the defective dish are both in a cover shape which is opened upward. The material receiving cylinder 31 is used to guide the position sensor into the qualified dish or the defective dish.

[0053] An adjustment hole 32 is provided on the upper side of the bottom of the buffer cylinder 31b, and an adjustment plate 33 is hingedly provided on the buffer cylinder 31b, and the middle part of the adjustment plate 33 is hinged to the buffer cylinder 31b, and the middle part of the adjustment plate 33 is movably located in the adjustment hole 32, and the upper side of the bottom can be moved to contact the inner wall of the lower barrel 31c or separate from the inner wall of the lower barrel 31c, and an electromagnet 34 is provided on the lower side of the top, and the electromagnet 34 is fixedly connected to the buffer cylinder 31b. When the electromagnet 34 is energized, the adjustment plate 33 blocks the position sensor from falling, and when the electromagnet 34 is de-energized, the position sensor can pass over the adjustment plate 33 and fall out of the lower barrel 31c.

[0054] The utility model provides a detection device for a position sensor. When testing the position sensor, first, after the positioning plate 8 is lifted by the lifting mechanism, there is a certain height difference between its bottom and the support seat 4. Then, after the worker manually takes the position sensor, the position sensor is moved horizontally, and the lower sides of the connecting part a and the supporting part j are both attached to the top of the limiting plate 2, the outer side of the vertical part b is attached to the limiting plate 2, and the lower side of the horizontal part c is attached to the top of the support seat 4, while the vertical part d is movably engaged in the engaging groove 6, until the end of the horizontal part c hits the end block 7, indicating that the position of the position sensor has reached the detection position; then the lifting mechanism lowers the height of the positioning plate 8, and presses the horizontal part c from top to bottom to the top of the support seat 4 through the positioning plate 8, so that the position stability of the position sensor is better. Afterwards, the docking joint 11 moves toward the connecting shell i under the driving action of the driving mechanism, and finally makes the docking joint 11 connected with the connecting shell i (it can realize power supply and transmit signals to the outside); then the test cylinder 9 drives the test iron sheet 10 to approach the accommodating shell h, and during the movement of the test iron sheet 10, the position sensor can output a signal to the outside through the docking joint 11. At this time, the signal output to the outside can be used to indicate whether the position sensor is qualified.

[0055] When the position sensor is actually engaged with the limit plate 2 and the support seat 4, the plastic connecting column k on the position sensor can also be engaged with the air avoidance groove 12, which not only allows the connecting portion a and the supporting portion j to fit better on the top of the limit plate 2, but also improves the connection stability between the position sensor and the limit plate 2 through the connecting column k. In the process of moving the position sensor along the engagement groove 6, the outer side of the horizontal portion c is also limited by the guide bar 15, which makes the activity stability of the position sensor better and the position accuracy during detection is also better. At the same time, the horizontal portion c is also limited by the auxiliary plate 17 in the vertical direction to prevent the position of the position sensor from being too high; wherein the bottom of the upstream end of the auxiliary plate 17 is rounded or chamfered, so that it can better act on the horizontal portion c.

[0056] When the position sensor is properly placed, the first cylinder 14 drives the positioning plate 8 downward, so that the positioning protrusion 13 at the bottom of the positioning plate 8 can be inserted into the pre-opened hole e on the horizontal part c, so that the consistency of the position sensor can be further ensured, so that the docking head 11 and the connecting shell i can be better docked. At the same time, the clearance groove 16 allows the positioning plate 8 to move downward normally and press down the horizontal part c.

[0057] During the inspection, the second cylinder 21 drives the driving slide 19 to move along the length direction of the driving slide rail 18, thereby achieving the docking and separation of the docking head 11 and the connecting shell i. After the inspection is completed, the docking head 11 needs to be separated from the position sensor first, and the discharge port 22 is exposed. Then the discharge cylinder 25 drives the discharge platform 24 to move, and the first driving part 26 and the second driving part 27 act on the ends of the support part j and the vertical part d respectively, and push the position sensor off the limit plate 2, and it can directly fall into the discharge port 22.

[0058] If the detection position sensor is qualified at this time, first, the electromagnet 34 remains in an unpowered state, so that the entire receiving barrel 31 is unobstructed, and at the same time, the bottom of the discharge barrel 31c is located above the qualified dish, so that the qualified position sensor can directly fall into the qualified dish after being guided by the receiving barrel 31; if the detection position sensor is unqualified, the electromagnet 34 is energized under the control of the controller, and the receiving barrel 31 is blocked by the adjustment plate 33; after the NG product falls into the receiving barrel 31, the third cylinder 30 drives the receiving seat 29 to move, and moves the discharge barrel 31c to the top of the defective dish, and then the electromagnet 34 is powered off, and the adjustment plate 33 is opened, so that the NG product can fall into the defective dish, thereby realizing automatic classification of the product.

[0059] The above description is only a description of the preferred embodiment of the utility model, and is not any limitation on the scope of the utility model. Any changes and modifications made by ordinary technicians in the field of the utility model based on the above disclosure shall fall within the scope of protection of the claims.

Claims

1. A detection device for a position sensor, characterized in that, include: A support plate (1), a limit plate (2) is vertically arranged on the top of the support plate (1), a clearance opening (3) is provided on the support plate (1) located on the side of the limit plate (2), a support seat (4) is provided on the side of the limit plate (2) close to the clearance opening (3), the top of the support seat (4) is lower than the top of the limit plate (2), a clamping groove (6) is vertically provided on the top of the side of the support seat (4) close to the limit plate (2), and a stop block (7) is provided on the top of the support seat (4); A positioning plate (8) and a lifting mechanism for controlling the positioning plate (8) to be lifted or lowered, the lifting mechanism movably passing through the clearance opening (3), one end of the positioning plate (8) being connected to the lifting mechanism, and the other end being located above the support seat (4); A docking joint (11), wherein a driving mechanism for moving the docking joint (11) is provided on the support plate (1); A test cylinder (9), the test cylinder (9) being horizontally connected to the top of the support plate (1), a test iron sheet (10) being arranged on an output shaft of the test cylinder (9), and the test cylinder (9) being used to drive the test iron sheet (10) to move closer to or away from the containing shell (h); When detecting the position sensor, the connecting portion (a) and the supporting portion (j) abut against the top of the limiting plate (2), the vertical portion (b) fits against the side of the limiting plate (2) close to the supporting seat (4), the vertical portion (d) is engaged in the engaging groove (6), the bottom of the horizontal portion (c) abuts against the top of the supporting seat (4), the end close to the vertical portion (d) abuts against the stop block (7), the top abuts against the lower side of the positioning plate (8), and the docking head (11) is plugged into the connecting shell (i).

2. The detection device for a position sensor according to claim 1, characterized in that, A long strip-shaped air-avoiding groove (12) is provided on the top of the limiting plate (2), each of the air-avoiding grooves (12) has at least one connecting column (k), and the length direction of the air-avoiding groove (12) is parallel to the length direction of the engaging groove (6).

3. The detection device for a position sensor according to claim 1, characterized in that, A positioning boss (13) is provided at the bottom of the positioning plate (8), and the positioning boss (13) is engaged with the pre-opened hole (e) on the horizontal portion (c).

4. The detection device of a position sensor according to claim 3, characterized in that, The lifting structure comprises a first cylinder (14), the piston rod of the first cylinder (14) being fixedly connected to the bottom of the positioning plate (8).

5. The detection device of a position sensor according to claim 1, characterized in that, A guide bar (15) is also provided at the top of the support seat (4). The guide bar (15) and the engaging groove (6) are located on both sides of the support seat (4). The guide bar (15) abuts against the side of the horizontal portion (c) away from the vertical portion (b). A clearance groove (16) for the downward movement of the positioning plate (8) is provided at the top of the guide bar (15).

6. The detection device of a position sensor according to claim 5, characterized in that, An auxiliary plate (17) is horizontally arranged between the top of the guide bar (15) and the top of the stop block (7); the auxiliary plate (17) is higher than the top of the horizontal portion (c); the auxiliary plate (17) is located on the side of the positioning plate (8); and the bottom of the auxiliary plate (17) at one end close to the positioning plate (8) is chamfered or rounded.

7. The detection device of a position sensor according to claim 1, characterized in that, The driving mechanism includes two driving slide rails (18) arranged in parallel on the top of the support plate (1). A driving slide block (19) is horizontally and movably buckled between the two driving slide rails (18). A driving connection seat (20) is arranged on the top of the driving slide block (19). The docking head (11) is connected to the side of the driving connection seat (20). A second cylinder body (21) is also horizontally arranged on the top of the support plate (1). The piston rod of the second cylinder body (21) is fixedly connected to the driving slide block (19).

8. The detection device of a position sensor according to claim 1, characterized in that, A material discharging opening (22) is vertically and penetratingly formed in the top of the support plate (1). A material discharging rail (23) is also horizontally arranged on the top of the support plate (1). The length direction of the material discharging rail (23) is parallel to the length direction of the engaging groove (6). A material discharging table (24) is movably buckled on the material discharging rail (23). A material discharging cylinder body (25) for driving the material discharging table (24) to move is arranged on the support plate (1). A first driving part (26) and a second driving part (27) are arranged on the outer side of the material discharging table (24). The first driving part (26) is used to act on the end of the supporting part (j), and the second driving part (27) is used to act on the edge of the vertical part (d), and push the position sensor after detection into the material discharging opening (22).

9. The detection device of a position sensor according to claim 8, characterized in that, A material receiving rail (28) is horizontally arranged at the bottom of the support plate (1). A material receiving seat (29) is movably buckled on the material receiving rail (28). A third cylinder body (30) for driving the material receiving seat (29) to move along the length direction of the material receiving rail (28) is arranged at the bottom of the support plate (1); A vertically penetrating material receiving cylinder (31) is arranged on the material receiving seat (29). The material receiving cylinder (31) includes a receiving cylinder (31a), a buffer cylinder (31b) and a material discharging cylinder (31c) which are connected in sequence from top to bottom. The buffer cylinder (31b) is inclined. A qualified product dish and a defective product dish with upward openings are also arranged below the support plate (1). Both the qualified product dish and the defective product dish are in a shape of a cover with an upward opening. The material receiving cylinder (31) is used to guide the position sensor into the qualified product dish or the defective product dish.

10. The detection device of a position sensor according to claim 9, characterized in that, An adjusting hole (32) is formed in the upper side of the bottom of the buffer cylinder (31b). An adjusting plate (33) is hinged on the buffer cylinder (31b), and the middle part of the adjusting plate (33) is hinged to the buffer cylinder (31b). The middle part of the adjusting plate (33) is movably located in the adjusting hole (32). The upper side of the bottom can be moved to abut against the inner wall of the material discharging cylinder (31c) or separated from the inner wall of the material discharging cylinder (31c). An electromagnet (34) is arranged on the lower side of the top. The electromagnet (34) is fixedly connected to the buffer cylinder (31b). When the electromagnet (34) is powered on, the adjusting plate (33) blocks the position sensor from falling. When the electromagnet (34) is powered off, the position sensor can pass over the adjusting plate (33) and fall out from the material discharging cylinder (31c).

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