CN210833484U

CN210833484U - TO pipe automated inspection machine

Info

Publication number: CN210833484U
Application number: CN201922248154.3U
Authority: CN
Inventors: 戈岩; 陈水荣
Original assignee: Hangzhou Huajin Electronic Co ltd
Current assignee: Hangzhou Huajin Electronic Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-06-23
Anticipated expiration: 2029-12-13

Abstract

The utility model relates TO an automatic TO pipe detector, which comprises a support table, a frame arranged on the support table, a placing disc horizontally arranged on the frame, and a detecting part arranged above the placing disc, wherein the placing disc is provided with a plurality of placing holes for embedding TO pipes; the detection part comprises a detection cylinder arranged along the vertical direction and a detection head arranged at the output end of the detection cylinder, and a distance sensor is arranged on the detection head; the support table is provided with a first sliding table in the horizontal direction, a first driving piece is connected onto the first sliding table, a second sliding table located above the first sliding table is arranged on the rack in the horizontal direction, a second driving piece is connected onto the second sliding table, the first sliding table is perpendicular to the second sliding table, the placing disc is connected with the first sliding table in a sliding mode, and the detection portion is connected with the second sliding table in a sliding mode. The utility model discloses can highly carry out automated inspection TO the TO pipe that the encapsulation was accomplished TO discernment unqualified TO pipe, it is comparatively convenient TO operate.

Description

TO pipe automated inspection machine

Technical Field

The utility model belongs TO the technical field of the equipment that TO pipe detected and specifically relates TO a TO pipe automated inspection machine is related TO.

Background

For some sensitive optical elements, a TO tube is often required TO be packaged in use, so that the interference of the TO tube TO the external environment is reduced. TO tubes generally include a cap and a socket, wherein the socket ensures the supply of electrical signals TO the packaged component, while the cap ensures the smooth transmission of optical signals.

The Chinese invention patent with the patent application number of CN200910017589.5 and the application date of 2009, 8 and 11 discloses a TO packaging process of a semiconductor laser and a packaging tube seat, and the TO packaging process comprises the following steps: (1) conventionally completing chip bonding, alloy, bonding and photoelectric testing on the tube tongue; (2) bonding a cylindrical lens on the upper end surface of the tube tongue, so that the cylindrical lens is positioned above the light emitting cavity surface of the chip, and the central surface of the cylindrical lens is parallel to the light emitting cavity surface of the chip; (3) and packaging a tube cap corresponding TO the TO tube seat type on the TO tube seat. The TO packaging tube seat comprises a tube shell, a tube tongue and a tube pin; the pipe shell is a cylinder, the side surface of the cylinder is provided with a groove, the pipe tongue is arranged on the pipe shell, and the pipe tongue is a semi-cylinder.

In the prior art, the optical adjusting frame is required TO be used for bonding the cylindrical lens on the upper end surface of the tube tongue, so that the cylindrical lens is positioned above the light-emitting cavity surface of the chip, the central surface of the cylindrical lens is parallel TO the light-emitting cavity surface of the chip, the distance between the central surface of the cylindrical lens and the light-emitting cavity surface of the chip is 80-310 um, and the height of the TO tube is required TO be detected. However, for a smaller height error, human eyes can hardly see the difference, and the TO pipes with unqualified heights are difficult TO identify, so that an instrument capable of precisely detecting the height of the TO pipes is needed TO detect the processed TO pipes so as TO identify the TO pipes with unqualified heights.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a TO pipe automated inspection machine can highly detect the TO pipe of accomplishing TO the encapsulation.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: an automatic detecting machine for a TO pipe comprises a support table, a rack arranged on the support table, a placing disc horizontally arranged on the rack, and a detecting part arranged above the placing disc, wherein the placing disc is provided with a plurality of placing holes for embedding the TO pipe; the detection part comprises a detection cylinder arranged along the vertical direction and a detection head arranged at the output end of the detection cylinder, and a distance sensor is arranged on the detection head; the supporting table is provided with a first sliding table along the horizontal direction, a first driving piece used for pushing a placing disc to slide along the first sliding table is connected to the first sliding table, a second sliding table located above the first sliding table is arranged on the rack along the horizontal direction, a second driving piece used for pushing a detection portion to slide along the second sliding table is connected to the second sliding table, the first sliding table is perpendicular to the second sliding table, the placing disc is connected with the first sliding table in a sliding mode, and the detection portion is connected with the second sliding table in a sliding mode.

The TO pipe that will encapsulate the completion is placed in placing the hole, places the dish through control first driving piece control and slides along first slip table, slides along the second slip table through second driving piece control detection portion TO make and detect the head and place the TO pipe that finishes in the alignment in vertical direction, detect the cylinder work this moment and promote down and detect the head, detect the height of TO pipe under the condition that does not lead TO the fact physical damage TO the TO pipe through detecting overhead distance sensor. After finishing detecting, detect cylinder lifting and upwards pulling and detect the head, first driving piece or second driving piece work and change through adopting above-mentioned prior art, can carry out the height detection TO a plurality of TO pipes automatically TO detect out the unqualified TO pipe that the naked eye is difficult TO discern, it is comparatively convenient TO operate.

The utility model discloses further set up to: the first sliding table comprises a first supporting seat connected to the supporting table and a first sliding rail arranged on the first supporting seat; the first driving piece comprises a first screw rod which is rotationally connected to the first supporting seat and a first motor which is arranged on the supporting table, and an output shaft of the first motor is connected with the first screw rod; the first screw rod is parallel to the first slide rail and is positioned below the first slide rail; a first sliding block is arranged below the placing disc, and the first sliding block is sleeved outside the first screw rod and is in threaded connection with the first screw rod; the first sliding block is further provided with a through hole, and the first sliding rail penetrates through the through hole and is in sliding connection with the through hole.

The first lead screw is driven TO rotate through the first motor, so that the first sliding block is driven TO slide along the direction of the first lead screw, the disc is driven TO slide along the direction of the first sliding rail, the sliding position of the lead screw is controlled TO be accurate, the TO pipe is aligned TO the detection head along the vertical direction, and the accuracy of height detection of the TO pipe is improved.

The utility model discloses further set up to: the placing disc also comprises a base and a bearing disc placed on the base, and the placing hole is formed in one side, far away from the base, of the bearing disc; the first sliding block is connected to one surface, far away from the bearing disc, of the base.

Through adopting above-mentioned technical scheme, the base keeps with first slip table face contact at the slip in-process to improve the stability of base. In loading, the carrier tray can be removed and the TO tubes can be placed in the carrier tray for ease of handling.

The utility model discloses further set up to: the bearing plate is characterized in that a clamping hole is formed in the upper surface of the base, and a positioning block embedded in the clamping hole is arranged at the bottom of the bearing plate.

Through adopting above-mentioned technical scheme, when will bear the dish and place on the base, can block the solid effect through locating piece and the mutual card between the card solid hole TO carry on spacingly TO bearing the dish in the horizontal direction, thereby help improving the stability that bears the dish and improve the precision that TO pipe height detected.

The utility model discloses further set up to: the second sliding table comprises a second supporting seat arranged on the rack and a second sliding rail arranged on the second supporting seat, the second driving piece comprises a second screw rod which is horizontally arranged and is rotationally connected to the second supporting seat and a second motor arranged on the rack, and an output shaft of the second motor is connected with the second screw rod; the second lead screw is parallel to the second slide rail, threaded connection has the second slider on the second lead screw, fixedly connected with mounting on the second slider, one side butt and sliding connection that the second lead screw was kept away from to mounting and second slide rail, sliding connection is in one side that the second slide rail was kept away from to the mounting in vertical direction in the test section.

The second screw rod is driven TO rotate through the second motor, the second sliding block is further driven TO slide along the second screw rod, and then the fixing piece is driven TO slide along the horizontal direction, so that the detection part is controlled TO slide in the horizontal direction, and the detection head is aligned TO different TO tubes. The detection part is controlled through the second lead screw, so that the position regulation and control precision can be improved, and the TO pipe height detection precision can be improved.

The utility model discloses further set up to: the fixing part comprises a fixing plate and a supporting plate, the fixing plate is arranged in the vertical direction and is in sliding connection with the second sliding rail, the supporting plate is fixedly connected to the fixing plate and is perpendicular to the fixing plate, a penetrating hole is formed in the supporting plate, and a cylinder barrel of the detection cylinder penetrates through the penetrating hole and is fixedly connected with the supporting plate.

Through adopting above-mentioned technical scheme, can fix the detection cylinder on the mounting and make it remove with the mounting together, receive the spacing of wearing TO establish the hole at the in-process that removes TO difficult emergence is rocked, helps improving the device stability in the testing process, and then improves the precision that TO pipe height detected.

The utility model discloses further set up to: the detection head is fixedly connected to one side, away from the first transverse plate, of the second transverse plate; and a clamping block is fixedly connected to the longitudinal connecting plate and is connected to the I-shaped sliding rail in a sliding manner.

Through adopting above-mentioned technical scheme, worker's shape slide rail can be when detecting cylinder during operation, and the horizontal direction provides spacingly for the connecting piece with detect the head, makes it be difficult for taking place TO rock along the horizontal direction, has increased the stability of detection portion, is favorable TO improving the precision that detects the head when aiming at the TO pipe TO improve the precision that TO pipe height detected.

The utility model discloses further set up to: the detection head comprises a dust removal part and a distance sensor, the dust removal part comprises a ventilation pipe fixedly connected to the lower surface of the second transverse plate, an air inlet pipe connected with the ventilation pipe and an air pump connected to one end, far away from the ventilation pipe, of the air inlet pipe, an air inlet is formed in the upper surface of the ventilation pipe, an air outlet is formed in the lower surface of the ventilation pipe, and the air inlet pipe is connected with the air inlet; the distance sensor is fixedly arranged on the lower surface of the ventilation pipe.

Through adopting above-mentioned technical scheme, before detecting the TO pipe, admit air and make the air current blow out from the gas outlet TO the ventilation pipe through the air pump, can remove dust TO the TO pipe of placing on the dish and handle, help improving the TO pipe precision when highly detecting.

The utility model discloses further set up to: a limiting plate is fixedly connected to the fixed plate below the second sliding table through bolts; the limiting plate is located above the first transverse plate and the height of the limiting plate is lower than the height of the uppermost end of the I-shaped sliding rail.

Through adopting above-mentioned technical scheme, when the completion was TO the measuring of TO pipe, detect cylinder work and upwards stimulate the connecting piece and detect the head, the connecting piece can butt in the lower surface of limiting plate and receive the spacing of limiting plate at the first diaphragm of the in-process of upwards sliding this moment TO make the fixture block be difficult for deviating from the worker's shape slide rail.

To sum up, the utility model discloses a beneficial technological effect does:

1. the utility model discloses in, place the TO pipe on placing the dish TO aim at the TO pipe with driving piece control detection portion, and detect the head through detecting the cylinder drive and move down and make it highly detect TO the TO pipe, can detect the highly unqualified TO pipe that the naked eye is difficult TO discern, convenient operation.

2. The utility model discloses in, place the position of dish and detection portion through first lead screw and second lead screw control respectively, can regulate and control the horizontal relative position of detecting head and TO pipe more accurately, help improving the accuracy that the TO pipe height detected.

3. The utility model discloses in, through setting up the dust removal portion, can remove dust TO the TO pipe through blowing, be favorable TO improving the precision that TO pipe height detected.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a first sliding table, a first driving member and a placing disc in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of the detecting portion, the second sliding table and the second driving member in the embodiment of the present invention;

fig. 4 is a schematic structural diagram of the detection head in the embodiment of the present invention.

In the figure, 11, a support table; 12. a frame; 2. placing a tray; 21. a base; 211. a clamping hole; 22. a carrier tray; 221. positioning blocks; 222. placing holes; 3. a detection unit; 31. detecting a cylinder; 32. a connecting member; 321. a first transverse plate; 322. a longitudinal connecting plate; 323. a second transverse plate; 324. a clamping block; 33. a detection head; 331. a dust removal part; 3311. a vent pipe; 3312. an air inlet; 3313. an air outlet; 3314. an air inlet pipe; 3315. an air pump; 332. a distance sensor; 4. a first sliding table; 41. a first support base; 42. a first slide rail; 5. a second sliding table; 51. a second support seat; 52. a second slide rail; 6. a first driving member; 61. a first motor; 62. a first lead screw; 63. a first slider; 64. a through hole; 7. a second driving member; 71. a second motor; 72. a second lead screw; 73. a second slider; 8. a fixing member; 81. a fixing plate; 82. a support plate; 821. perforating holes; 83. an I-shaped slide rail; 84. a limiting plate; 841. and (4) bolts.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Embodiment 1, a TO pipe automated inspection machine, refer TO fig. 1, including a supporting bench 11, a frame 12, place dish 2 and detection part 3, be provided with first slip table 4 along the horizontal direction on the supporting bench 11, be provided with second slip table 5 along the horizontal direction on the frame 12, first slip table 4 and second slip table 5 mutually perpendicular. Place dish 2 sliding connection in first slip table 4, detection portion 3 sliding connection in second slip table 5. Place and set up a plurality of holes 222 of placing on the dish 2, during TO pipe inlays TO be located places hole 222, detection portion 3 is located and places dish 2 top. A first driving member 6 for driving the placing disc 2 to slide along the first sliding table 4 and a second driving member 7 for driving the detecting part 3 to slide along the second sliding table 5 are further provided on the frame 1. Detection portion 3 includes top-down fixed connection in proper order and detects cylinder 31, connecting piece 32 and detects head 33, detects the vertical setting of cylinder 31, and connecting piece 32 fixed connection is on detecting the output shaft of cylinder 31, detects head 33 fixed connection in the lower extreme of connecting piece 32.

Place dish 2 through 6 control of first driving piece and slide along first slip table 4, control detection portion 3 through second driving piece 7 and slide along second slip table 5, can adjust the relative position of detection portion 3 and control panel 2 on the horizontal direction, make detection head 33 aim at and inlay and locate the TO pipe of placing in the hole 222, can detect the TO pipe.

Referring to fig. 1 and 2, the first sliding table 4 includes a first supporting seat 41 disposed on the supporting table 11 and a first sliding rail 42 disposed on the first supporting seat 41, the first driving element 6 includes a first screw rod 62 parallel to the first sliding rail 42 and rotatably connected to the first supporting seat 4 and a first motor 61 fixedly disposed on the supporting table 11, and an output shaft of the first motor 61 passes through a side wall of one end of the first supporting seat 41 and is coaxially and fixedly connected to the first screw rod 62.

Referring to fig. 2, the placing tray 2 includes a base 21 slidably connected to the first slide rail 4 and a bearing tray 22 placed above the base 21, and the placing holes 222 are uniformly opened on the upper surface of the bearing tray 22. The first screw 62 is further connected with a first sliding block 63 in a threaded manner, the first sliding block 63 is provided with a through hole 64, the first sliding rail 42 penetrates through the through hole 64 and is in sliding connection with the through hole 64, and the first sliding block 63 is fixedly connected to the bottom of the base 21. The base 21 is provided with a fastening hole 211, and the lower surface of the carrier plate 22 is also integrally provided with a positioning block 221 embedded in the fastening hole 211.

The TO pipe TO be detected is placed in the placing hole 222 on the bearing disc 22, the bearing disc 22 is placed on the base 21, the first screw rod 62 is driven by the first motor 61 TO rotate, and then the placing disc 2 can be driven TO slide along the first sliding table 4, so that the position of the placing disc 2 is controlled.

Referring to fig. 3, the second sliding table 5 includes a second supporting seat 51 provided on the frame 12 and a second slide rail 52 provided on the second supporting seat 51. The second driving member 7 includes a second lead screw 72 rotatably connected to the second supporting seat 51 and parallel to the second sliding rail 52, and a second motor 71 fixedly disposed on the frame 12 for driving the second lead screw 72 to rotate, wherein an output shaft of the second motor 71 passes through an end face of one end of the second sliding rail 52 and is coaxially and fixedly connected with the second lead screw 72. Still threaded connection has second slider 73 on second lead screw 72, fixedly connected with mounting 8 on the second slider 73, mounting 8 include with second slider 73 fixed connection's fixed plate 81 and fixed connection in the backup pad 82 of fixed plate 81 upper end, fixed plate 81 sliding connection is in second slide rail 52, backup pad 82 level sets up and has seted up vertical through hole 821, detect cylinder 31 the cylinder wear to locate in through hole 821 and with backup pad 82 fixed connection.

The second motor 71 drives the second screw 72 to rotate and drives the fixing member 8 to translate along the horizontal direction, so as to drive the detecting portion 3 to translate along the horizontal direction. Since the first and second slide tables 4 and 5 are perpendicular TO each other, the first and

second motors

61 and 71 can adjust the horizontal relative positions of the inspection part 3 and the placing tray 2 so that the inspection head 33 is aligned with each TO tube.

Referring to fig. 3, the link 32 includes a first horizontal plate 321 horizontally disposed and fixedly connected to the output shaft of the sensing cylinder 31, a second horizontal plate 323 horizontally disposed below the first horizontal plate 321, and a longitudinal link plate 322 vertically disposed and fixedly connected between the first horizontal plate 321 and the second horizontal plate 323. The fixing plate 81 is fixedly provided with an i-shaped sliding rail 83, one side of the longitudinal connecting plate 322 facing the i-shaped sliding rail 83 is provided with a fixture block 324, and the fixture block 324 is slidably connected to the i-shaped sliding rail 83. A limiting plate 84 for preventing the detection head 33 from being separated from the upper part of the i-shaped slide rail 83 is fixedly connected to the fixing plate 81 through a bolt 841, and the limiting plate is located above the first transverse plate and the height of the limiting plate is lower than the uppermost height of the i-shaped slide rail.

Referring to fig. 3 and 4, the detection head 33 includes a dust removing portion 331 and a distance sensor 332, the dust removing portion 331 includes a ventilation tube 3311 fixedly connected to a lower portion of the second horizontal plate 323 and an air pump 3315 connected to the ventilation tube 3311, an air inlet 3312 is provided on an upper surface of the ventilation tube 3311, an air outlet 3313 is provided on a lower surface of the ventilation tube 3311, an air inlet tube 3314 is connected to the air inlet 3312, and the air inlet tube 3314 is communicated with the air pump 3315. The distance sensor 332 is disposed below the vent tube 3311.

The implementation principle and the using method of the embodiment are as follows:

the carrier tray 22 is taken down, the TO tubes are placed in the placing holes 222, the carrier tray 22 is placed back on the base 21, the positioning blocks 221 are embedded in the clamping holes 211, and the TO tubes in the placing holes 222 can be detected. In the detection process, the first motor 61 can drive the first lead screw 62 to rotate during operation, so as to drive the first sliding block 63 to slide along the first sliding table 4, further drive the placing disc 2 to slide along the first sliding table 4, and the second motor 71 can drive the second lead screw 72 to rotate during operation, so as to drive the second sliding block 73 to slide along the second sliding table 5, and further drive the detection part 3 to slide along the second sliding table 5. The two can make the detection head 33 aim at each TO pipe under the combined action, thereby detecting each TO pipe.

During detection, the detection cylinder 31 works and pushes the connecting piece 32 TO slide downwards, the detection head 33 is driven TO slide downwards, the detection head 33 firstly blows air TO remove dust on the TO pipe through the dust removing part 331, and then the height of the TO pipe is detected through the distance sensor 332. After the detection is finished, the detection cylinder 31 upwards pulls the connecting piece 32 and drives the detection head 33, and the detection head 33 is aligned TO the next TO-be-detected TO pipe by controlling the detection part 3 and the position of the placing plate 2 through the first motor 61 and the second motor 71, so that the next TO-be-detected TO pipe can be detected.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a TO pipe automated inspection machine which characterized in that: the device comprises a support table (11), a rack (12) arranged on the support table (11), a placing disc (2) horizontally arranged on the rack (12), and a detection part (3) arranged above the placing disc (2), wherein the placing disc (2) is provided with a plurality of placing holes (222) for embedding TO pipes; the detection part (3) comprises a detection cylinder (31) arranged along the vertical direction and a detection head (33) arranged at the output end of the detection cylinder (31), and a distance sensor (332) is mounted on the detection head (33); supporting bench (11) are gone up and are provided with first slip table (4) along the horizontal direction, be connected with on first slip table (4) and be used for promoting to place dish (2) along first slip table (4) gliding first driving piece (6) frame (12) are gone up and are provided with second slip table (5) along the horizontal direction, be connected with on second slip table (5) and be used for promoting detection portion (3) along second slip table (5) gliding second driving piece (7), first slip table (4) perpendicular to second slip table (5), place dish (2) and first slip table (4) sliding connection, detection portion (3) and second slip table (5) sliding connection.

2. The automatic TO pipe detector according TO claim 1, wherein: the first sliding table (4) comprises a first supporting seat (41) connected to the supporting table (11) and a first sliding rail (42) arranged on the first supporting seat (41); the first driving piece (6) comprises a first screw rod (62) which is rotatably connected to the first supporting seat (41) and a first motor (61) which is arranged on the supporting seat (11), and an output shaft of the first motor (61) is connected with the first screw rod (62); the first screw rod (62) is parallel to the first slide rail (42) and is positioned below the first slide rail (42); a first sliding block (63) is arranged below the placing disc (2), and the first sliding block (63) is sleeved outside the first screw rod (62) and is in threaded connection with the first screw rod (62); the first sliding block (63) is further provided with a through hole (64), and the first sliding rail (42) penetrates through the through hole (64) and is in sliding connection with the through hole (64).

3. The automatic TO pipe detector according TO claim 2, wherein: the placing disc (2) comprises a base (21) and a bearing disc (22) arranged on the base (21), and the placing holes (222) are formed in one surface, far away from the base (21), of the bearing disc (22); the first sliding block (63) is connected to one surface, far away from the bearing disc (22), of the base (21).

4. The automatic TO pipe detector according TO claim 3, wherein: the upper surface of the base (21) is provided with a clamping hole (211), and the bottom of the bearing disc (22) is provided with a positioning block (221) which is embedded in the clamping hole (211).

5. The automatic TO pipe detector according TO claim 1, wherein: the second sliding table (5) comprises a second supporting seat (51) arranged on the rack (12) and a second sliding rail (52) arranged on the second supporting seat (51), the second driving piece (7) comprises a second screw rod (72) which is horizontally arranged and is rotatably connected to the second supporting seat (51) and a second motor (71) arranged on the rack (12), and an output shaft of the second motor (71) is connected with the second screw rod (72); second lead screw (72) are parallel with second slide rail (52), threaded connection has second slider (73) on second lead screw (72), fixedly connected with mounting (8) on second slider (73), one side sliding connection of second lead screw (72) is kept away from with second slide rail (52) mounting (8), one side sliding connection of second slide rail (52) is kept away from in mounting (8) in detection portion (3) sliding connection in vertical direction.

6. The automatic TO pipe detector according TO claim 5, wherein: the fixing part (8) comprises a fixing plate (81) which is arranged along the vertical direction and is in sliding connection with the second sliding rail (52) and a supporting plate (82) which is fixedly connected to the fixing plate (81) and perpendicular to the fixing plate (81), a through hole (821) is formed in the supporting plate (82), and a cylinder barrel of the detection cylinder (31) penetrates through the through hole (821) and is fixedly connected with the supporting plate (82).

7. The automatic TO pipe detector according TO claim 6, wherein: the fixing plate (81) is fixedly connected with an I-shaped sliding rail (83) on one surface far away from the second sliding rail (52) along the vertical direction, and the output shaft of the detection cylinder (31) is fixedly connected with a connecting piece (32); the connecting piece (32) comprises a first transverse plate (321) fixedly connected to the output end of the detection cylinder (31), a second transverse plate (323) horizontally arranged below the first transverse plate (321), and a longitudinal connecting plate (322) vertically arranged and fixedly connected between the first transverse plate (321) and the second transverse plate (323), and the detection head (33) is fixedly connected to one side, far away from the first transverse plate (321), of the second transverse plate (323; a clamping block (324) is fixedly connected to the longitudinal connecting plate (322), and the clamping block (324) is connected to the I-shaped sliding rail (83) in a sliding mode.

8. The automatic TO pipe detector according TO claim 7, wherein: the detection head (33) comprises a dust removal part (331) and a distance sensor (332), the dust removal part (331) comprises a ventilation pipe (3311) fixedly connected to the lower surface of the second transverse plate (323), an air inlet pipe (3314) connected with the ventilation pipe (3311) and an air pump (3315) connected to one end, far away from the ventilation pipe (3311), of the air inlet pipe (3314), an air inlet (3312) is formed in the upper surface of the ventilation pipe (3311), an air outlet (3313) is formed in the lower surface of the ventilation pipe (3311), and the air inlet pipe (3314) is connected with the air inlet (3312); the distance sensor (332) is fixedly arranged on the lower surface of the ventilation pipe (3311).

9. The automatic TO pipe detector according TO claim 7, wherein: a limiting plate (84) is fixedly connected to the fixing plate (81) below the second sliding table (5) through a bolt (841); the limiting plate (84) is located above the first transverse plate (321) and the height of the limiting plate (84) is lower than the height of the uppermost end of the I-shaped sliding rail (83).