Online FCT monorail test equipment

Abstract

The utility model discloses an on-line FCT monorail test equipment, relates to PCB board detection technical field, the on-line FCT monorail test equipment comprises a product conveying track mechanism, a detection mechanism and a defective product processing assembly, the detection mechanism comprises a test fixture jacking mechanism and a press-down test mechanism which are symmetrically arranged on two sides of the product conveying track mechanism, and the product conveying track mechanism is connected with the product conveying track mechanism. The defective product processing assembly is arranged at the end of the product conveying rail mechanism. The defective product processing assembly comprises a defective product marking mechanism, a defective product grabbing mechanism and a defective product receiving, lifting and transferring mechanism. According to the utility model, the Y-axis KK module and the X-axis ball screw are matched with each other to drive the marking cylinder to move, so that the marking seal moves to the upper part of a defective product, and then the marking cylinder pushes the marking seal to move downwards to mark the surface of the defective product, so that the situation that the marking seal is taken by mistake when the defective product is treated is prevented.

Description

Technical Field

[0001] The utility model specifically relates to the technical field of PCB board detection, in particular to an online FCT single-track testing device. Background Art

[0002] PCB automatic test fixture is a tool and equipment used for automated testing of PCB boards. PCB automatic test fixture usually needs to be customized according to the layout of the PCB board, the direction of the circuit and the distribution of the test points.

[0003] Common structures of PCB automatic test fixtures include bed-of-nails and flying probe. The bed-of-nails fixture conducts tests by contacting the test points on the PCB board with a large number of probes, which is suitable for large-scale batch production; the flying probe fixture contacts the test points with moving probes, which has high flexibility, but the test speed is relatively slow.

[0004] However, in practice, people have noticed that after the PCB boards are inspected by the needle bed type automatic test fixture, the staff need to manually remove the defective products. At this time, the staff need to concentrate. During the removal process, the staff are affected by the external environment and are prone to mis-taking, which leads to the continued production of defective products, affecting the production quality, and the labor intensity is relatively high. Utility Model Content

[0005] The purpose of the utility model is to provide an online FCT single-track testing device, which marks defective products through a defective product marking mechanism to prevent them from being taken by mistake during sorting, and the marked defective products are easy to distinguish after being taken by mistake, thereby improving the fault tolerance rate, and then cooperates with a defective product grabbing mechanism and a defective product receiving and lifting and transferring mechanism to achieve rapid sorting of defective products, reduce labor intensity, and improve sorting efficiency, so as to solve the technical problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An online FCT single-track testing device comprises a product conveying track mechanism, a detection mechanism and a defective product processing component, wherein the detection mechanism comprises a test fixture lifting mechanism and a pressing test mechanism symmetrically arranged on both sides of the product conveying track mechanism, and the defective product processing component is arranged at the end of the product conveying track mechanism;

[0008] The defective product processing assembly includes a defective product marking mechanism, a defective product grabbing mechanism and a defective product receiving, lifting and transferring mechanism.

[0009] As a further technical solution of the utility model, the defective product marking mechanism includes a marking stamp and a marking cylinder for marking defective products, and the end of the marking stamp is fixedly connected to the end of the marking cylinder, and a movable truss is provided on the side of the marking cylinder.

[0010] As a further technical solution of the utility model, a Y-axis KK module is installed at the end of the movable truss to drive the marking stamp to move along the Y-axis direction. The Y-axis KK module is fixedly connected to the side of the downward pressure test mechanism through a KK module fixing plate.

[0011] As a further technical solution of the utility model, a linear guide rail and a guide rail mounting plate for fixing the linear guide rail on the defective product grabbing mechanism are provided on the side of the movable truss away from the Y-axis KK module.

[0012] As a further technical solution of the utility model, an X-axis ball screw assembly is also installed on the side of the movable truss to drive the marking stamp to move along the X-axis direction, and the side of the marking cylinder is matched with the X-axis ball screw transmission.

[0013] As a further technical solution of the utility model, a tank chain is provided at one end of the movable truss, an X-axis drive motor is fixed to the end of the movable truss, and the X-axis drive motor is connected to the X-axis ball screw through a coupling.

[0014] As a further technical solution of the utility model, the defective product grabbing mechanism includes a bracket fixedly connected to the product conveying track mechanism, and a Y-axis rodless cylinder is installed on the bracket. The side of the Y-axis rodless cylinder is provided with a Z-axis KK module for grabbing defective products and a stepper motor with a brake that is transmission-connected to the Z-axis KK module.

[0015] As a further technical solution of the present invention, the side of the Y-axis rodless cylinder away from the Z-axis KK module is fixedly connected to the guide rail mounting plate.

[0016] As a further technical solution of the utility model, a material taking cylinder and a material taking fixture are further provided below the Z-axis KK module, and the material taking fixture is movably connected to the end of the Z-axis KK module.

[0017] As a further technical solution of the utility model, the defective material receiving and lifting and transferring mechanism includes a material receiving and lifting platform and a material receiving and lifting cylinder that can push the material receiving and lifting platform to move, and a movable bottom plate is installed at the end of the material receiving and lifting cylinder.

[0018] As a further technical solution of the utility model, the four corners of the movable base plate are fixed with linear bearings with seats, the inner side of the linear bearings with seats is slidably connected with a material receiving and lifting guide shaft, and the end of the material receiving and lifting guide shaft is fixedly connected to the material receiving and lifting platform.

[0019] As a further technical solution of the utility model, the lower part of the movable base plate is symmetrically connected with a support rail, the support rail is fixedly connected to the product conveying track mechanism, and the movable base plate is slidably connected to the product conveying track mechanism through the support rail.

[0020] As a further technical solution of the utility model, each side of the supporting guide rail is correspondingly provided with a parallel transfer cylinder, and one end of the parallel transfer cylinder is fixedly connected to the movable bottom plate, and the other end is fixedly connected to the product conveying track mechanism.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] 1. In the utility model, the Y-axis KK module and the X-axis ball screw cooperate with each other to drive the marking cylinder to move, so that the marking stamp moves to the top of the defective product, and then the marking cylinder pushes the marking stamp downward to mark the surface of the defective product, so as to prevent the defective product from being taken by mistake when being handled;

[0023] 2. In the utility model, the Y-axis rodless cylinder and the Z-axis KK module cooperate with each other to adjust the position of the material picking fixture. The material picking cylinder controls the material picking fixture to pick up defective products. The defective products are automatically picked up, saving the labor intensity of the staff;

[0024] 3. In the utility model, the parallel transfer cylinder drives the mobile base to slide on the supporting guide rail, and the material receiving lifting cylinder pushes the material receiving lifting platform to move up and down, and cooperates with the defective product grabbing mechanism to enable the material receiving lifting platform to automatically collect the defective products taken out, further reducing labor intensity and improving the efficiency of sorting defective products. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the structure of the utility model in use state.

[0026] Figure 2 It is a structural schematic diagram of a product conveying track mechanism in the utility model.

[0027] Figure 3 It is a structural schematic diagram of the test fixture lifting mechanism in the utility model.

[0028] Figure 4 It is a structural schematic diagram of the middle and lower pressure testing mechanism of the utility model.

[0029] Figure 5 It is a structural schematic diagram of a defective product marking mechanism in the utility model.

[0030] Figure 6 It is an assembly schematic diagram of a defective product grabbing mechanism and a defective product receiving lifting and transferring mechanism in the utility model.

[0031] In the figure:

[0032] Product conveying track mechanism-1, track-11, chain with side guide wheel-12, main transmission shaft-13, main power motor-14, track automatic width adjustment motor-15, product blocking mechanism-16, automatic width adjustment ball screw-17, track width adjustment guide shaft-18, photoelectric sensor-19, test fixture lifting mechanism-2, table panel-21, lifting cylinder-22, linear bearing with seat-23, lifting guide shaft-24, detection fixture-25, test fixture product carrier plate-251, test fixture product needle plate-252, control button group-26, test fixture bearing plate-27, fixture installation guide block-271, downward pressure test mechanism-3, downward pressure test cylinder fixing plate-31, downward pressure test cylinder-32, linear bearing with seat-33, downward pressure test guide Towards the axis -34, downward pressure test cylinder fixing plate bracket -35, top plate assembly -36, defective product marking mechanism -4, KK module fixing plate -41, Y-axis KK module -42, linear guide rail -43, X-axis ball screw -44, tank chain -45, X-axis drive motor -46, marking cylinder -47, marking stamp -48, guide rail mounting plate -49, defective product grabbing mechanism -5, Y-axis rodless cylinder -51, Z-axis KK module -52, stepper motor with brake -53, material picking cylinder -54, material picking fixture -55, defective product receiving and lifting and transferring mechanism -6, material receiving and lifting platform -61, material receiving and lifting cylinder -62, parallel transfer cylinder -63, support guide rail -64, material receiving and lifting guide shaft -65, linear bearing with seat -66, product to be tested -7. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] See also Figure 1-6 The embodiment of the utility model provides an online FCT single-track test device, including a product conveying track mechanism 1, a detection mechanism and a defective product processing component, wherein the detection mechanism includes a test fixture lifting mechanism 2 and a pressing test mechanism 3 symmetrically arranged on both sides of the product conveying track mechanism 1, and the defective product processing component is arranged at the end of the product conveying track mechanism 1;

[0035] The defective product processing assembly includes a defective product marking mechanism 4 , a defective product grabbing mechanism 5 , and a defective product receiving, lifting and transferring mechanism 6 .

[0036] In this embodiment, the defective product marking mechanism 4 includes a marking stamp 48 for marking defective products and a marking cylinder 47, and the end of the marking stamp 48 is fixedly connected to the end of the marking cylinder 47, and a movable truss is provided on the side of the marking cylinder 47.

[0037] Furthermore, a Y-axis KK module 42 is installed at the end of the movable truss to drive the marking stamp 48 to move along the Y-axis direction. The Y-axis KK module 42 is fixedly connected to the side of the pressing test mechanism 3 through a KK module fixing plate 41.

[0038] More specifically, a linear guide rail 43 and a guide rail mounting plate 49 for fixing the linear guide rail 43 on the defective product grabbing mechanism 5 are provided on the side of the movable truss away from the Y-axis KK module 42 .

[0039] Furthermore, an X-axis ball screw 44 assembly is installed on the side of the movable truss to drive the marking stamp 48 to move along the X-axis direction, and the side of the marking cylinder 47 is in transmission cooperation with the X-axis ball screw 44 .

[0040] Furthermore, a tank chain 45 is provided at one end of the movable truss, an X-axis driving motor 46 is fixed to the end of the movable truss, and the X-axis driving motor 46 is connected to the X-axis ball screw 44 through a coupling.

[0041] As a further technical solution of the utility model, the defective product grabbing mechanism 5 includes a bracket fixedly connected to the product conveying track mechanism 1, and a Y-axis rodless cylinder 51 is installed on the bracket, and a Z-axis KK module 52 for grabbing defective products and a stepper motor 53 with a brake that is transmission-connected to the Z-axis KK module 52 are provided on the side of the Y-axis rodless cylinder 51.

[0042] Furthermore, the Y-axis rodless cylinder 51 is fixedly connected to the guide rail mounting plate 49 at one side away from the Z-axis KK module 52 .

[0043] More specifically, a material taking cylinder 54 and a material taking fixture 55 are further provided below the Z-axis KK module 52 , and the material taking fixture 55 is movably connected to the end of the Z-axis KK module 52 .

[0044] As a further technical solution of the utility model, the defective material receiving lifting and transferring mechanism 6 includes a material receiving lifting platform 61 and a material receiving lifting cylinder 62 that can push the material receiving lifting platform 61 to move, and a movable bottom plate is installed at the end of the material receiving lifting cylinder 62.

[0045] Furthermore, the four corners of the movable base plate are fixed with linear bearings 66 with seats, the inner side of the linear bearings 66 is slidably connected with a material receiving and lifting guide shaft 65, and the end of the material receiving and lifting guide shaft 65 is fixedly connected to the material receiving and lifting platform 61.

[0046] Furthermore, the lower part of the movable bottom plate is symmetrically connected with a support rail 64 , the support rail 64 is fixedly connected to the product conveying track mechanism 1 , and the movable bottom plate is slidably connected to the product conveying track mechanism 1 through the support rail 64 .

[0047] Specifically, each side of the supporting guide rail 64 is correspondingly provided with a parallel transfer cylinder 63 , and one end of the parallel transfer cylinder 63 is fixedly connected to the movable bottom plate, and the other end is fixedly connected to the product conveying track mechanism 1 .

[0048] By adopting the above technical solution, the product conveying track mechanism 1 drives the product to be inspected 7 to move between the test fixture lifting mechanism 2 and the pressing test mechanism 3 for inspection. After the inspection is completed, the product conveying track mechanism 1 drives the product to be inspected 7 to continue to move. At the same time, the KK module fixing plate 41 and the Y-axis KK module 42 cooperate with each other to make the marking cylinder 47 drive the marking seal 48 to move along the X-axis and the Y-axis, and adjust the position of the marking seal 48 until the marking seal 48 moves to the top of the defective product. The marking cylinder 47 pushes the marking seal 48 downward to mark the defective product to prevent mistaking during grasping. Then the Y-axis rodless cylinder 51 and the Z-axis KK module The groups 52 cooperate with each other to adjust the position of the material picking fixture 55, and then the material picking cylinder 54 controls the material picking fixture 55 to grab the defective products, and finally the Y-axis rodless cylinder 51 drives the material picking fixture 55 to approach the defective product receiving and lifting transfer mechanism 6, and at the same time the parallel transfer cylinder 63 slides on the supporting guide rail 64 on the moving bottom plate, and the material receiving and lifting cylinder 62 pushes the material receiving and lifting platform 61 to rise, so that the material receiving and lifting platform 61 moves to the bottom of the material picking fixture 55, and the defective products under the material picking fixture 55 are received, so as to realize the marking and automatic sorting of defective products after the inspection of the product 7 to be inspected, thereby improving the sorting efficiency after inspection and reducing the labor intensity of the staff.

[0049] In this embodiment, the product conveying track mechanism 1 includes a support base and two symmetrically arranged tracks 11 . The tracks 11 are fixed on the support base, and a main transmission shaft 13 is provided at the end of the tracks 11 .

[0050] In this embodiment, both ends of the main transmission shaft 13 are slidably connected to mounting plates via bearings, and the mounting plates are symmetrically fixed on the support seat, and the ends of the main transmission shaft 13 extend to the outside of the mounting plates.

[0051] In this embodiment, a main power motor 14 is also fixed on the support seat, and the ends of the main power motor 14 and the ends of the main transmission shaft 13 are respectively interference-fitted with transmission pulleys, and the main power motor 14 and the main transmission shaft 13 are connected by a transmission belt that is sleeved on the outside of the transmission pulley.

[0052] In this embodiment, a sprocket is symmetrically fixed on the outer side of the main transmission shaft 13, and a belt side guide wheel chain 12 is movably connected in each of the tracks 11, and the belt side guide wheel chain 12 is meshed with the sprocket on the main transmission shaft 13.

[0053] In this embodiment, both ends of the lower part of the track 11 are provided with automatic width adjustment ball screws 17 and track width adjustment guide shafts 18 , and one side of each automatic width adjustment ball screw 17 is correspondingly provided with a track width adjustment guide shaft 18 .

[0054] In this embodiment, one of the automatic width-adjusting ball screws 17 is movably connected to the support seat through the vertical plate, and the other automatic width-adjusting ball screw 17 is movably connected to the mounting plate, and the automatic width-adjusting ball screw 17 is matched with the lower thread of the track 11.

[0055] In this embodiment, the track width adjustment guide shaft 18 is fixedly connected to the vertical plate and the mounting plate respectively, and the track width adjustment guide shaft 18 is slidably connected to any end of the lower part of the track 11.

[0056] In this embodiment, a track automatic width adjustment motor 15 which is transmission-connected to the end of an automatic width adjustment ball screw 17 is fixed to the side of the vertical plate.

[0057] In this embodiment, one of the automatic width-adjusting ball screws 17 has an interference fit with a connecting pulley on the side away from the track automatic width-adjusting motor 15 , and the other automatic width-adjusting ball screw 17 also has an interference fit with a connecting pulley on the same side.

[0058] In this embodiment, the two automatic width-adjusting ball screws 17 are connected by a connecting belt transmission sleeved on the outside of the connecting pulley.

[0059] In this embodiment, a product blocking mechanism 16 and a photoelectric sensor 19 are further provided on the side of the track 11 , wherein two photoelectric sensors 19 are provided and the two photoelectric sensors 19 are symmetrically arranged.

[0060] In this embodiment, the test fixture lifting mechanism 2 includes a table panel 21 fixedly connected to a support seat, and a seated linear bearing 23 and a lifting cylinder 22 are fixed on the table panel 21, and the seated linear bearing 23 is distributed in a circular array in the table panel 21, the end of the lifting cylinder 22 is fixedly connected to a test fixture support plate 27, and the lower part of the test fixture support plate 27 is fixed with a lifting guide shaft 24 slidably connected to the seated linear bearing 23 in a circular array.

[0061] In this embodiment, the test jig support plate 27 is symmetrically fixed with jig installation guide blocks 271 , and a detection jig 25 is also placed on the test jig support plate 27 , and the jig installation guide blocks 271 are clamped on both sides of the bottom of the detection jig 25 .

[0062] In this embodiment, the testing jig 25 is respectively mounted with a testing jig product carrier plate 251 and a testing jig product needle plate 252 , and the testing jig product carrier plate 251 and the testing jig product needle plate 252 are arranged to overlap each other.

[0063] In this embodiment, both ends of the test fixture product carrier plate 251 are respectively fixed to the side surfaces of the belt-side guide wheel chain 12 , and the test fixture product carrier plate 251 is fixedly connected to the test fixture product needle plate 252 .

[0064] In this embodiment, the detection fixture 25 is located between the symmetrically arranged rails 11 , and a control button group 26 is fixed to the upper side of the table panel 21 .

[0065] In this embodiment, the downward pressure test mechanism 3 includes four downward pressure test cylinder fixing plate brackets 35 fixed on the table panel 21 and a downward pressure test cylinder fixing plate 31 fixed to the ends of the downward pressure test cylinder fixing plate brackets 35 .

[0066] In this embodiment, a downward pressure test cylinder 32 is fixed on the downward pressure test cylinder fixing plate 31 , and a top plate assembly 36 is fixed to an end of the downward pressure test cylinder 32 passing through the downward pressure test cylinder fixing plate 31 .

[0067] In this embodiment, the upper portion of the top plate assembly 36 is fixed with downward pressure test guide shafts 34 in a circular array, and the downward pressure test guide shafts 34 are slidably connected with a linear bearing 33 with a seat.

[0068] In this embodiment, the seated linear bearing 33 is fixed in the downward pressure test cylinder fixing plate 31 , the top plate assembly 36 is arranged on the upper part of the track 11 , and the top plate assembly 36 is located above the detection fixture 25 .

[0069] In this embodiment, the KK module fixing plate 41 is fixed to the side of the downward pressure test cylinder fixing plate 3 .

[0070] The working principle of the utility model is as follows: when in use, the product to be tested 7 is first placed on the test fixture product carrier plate 251, the main power motor 14 drives the main transmission shaft 13 to rotate through the belt transmission, and the sprocket on the main transmission shaft 13 drives the belt side guide wheel chain 12 to rotate, so that the belt side guide wheel chain 12 drives the test fixture product carrier plate 251 and the product to be tested 7 to move between the test fixture lifting mechanism 2 and the downward pressure test mechanism 3, and the lifting cylinder 22 at the bottom of the table panel 21 pushes the test fixture bearing plate 27 Move upward, so that the test fixture 25 on the test fixture support plate 27 lifts the test fixture product carrier plate 251 and the test fixture product needle plate 252 respectively. At the same time, the downward test cylinder 32 pushes the top plate group 36 to move downward, so that the top plate group 36 is in electric contact with the surface of the product to be tested 7. Through the wire connection between the external detection system and the probe, the signal sent by the external detection system passes through the product to be tested 7, and the defective product is determined. Then the test fixture lifting mechanism 2 and the downward test mechanism 3 are separated;

[0071] Then the product conveying track mechanism 1 drives the product to be inspected 7 to continue to move to the bottom of the defective product marking mechanism 4, the X-axis driving motor 46 drives the X-axis ball screw 44 to roll, and the threaded cooperation between the material taking cylinder 54 and the X-axis ball screw 44 makes the material taking cylinder 54 move along the X-axis direction, and the KK module fixing plate 41 drives the marking cylinder 47 to move along the Y-axis direction, so that the marking cylinder 47 moves to the top of the defective product, and the marking cylinder 47 pushes the marking stamp 48 to move downward, and the marking stamp 48 marks the defective product to prevent the mistaken picking when picking up, and even if the mistaken picking is made, it is convenient for the staff to quickly distinguish;

[0072] Then the product conveying track mechanism 1 drives the product to be inspected 7 to move to the bottom of the defective product grabbing mechanism 5, the Y-axis rodless cylinder 51 drives the Z-axis KK module 52 to move along the Y-axis direction, the Z-axis KK module 52 pushes the material picking fixture 55 to move downward to the top of the defective product, the material picking cylinder 54 drives the symmetrically arranged material picking fixture 55 to close the opening to clamp the defective product, and then the Y-axis rodless cylinder 51 and the Z-axis KK module 52 cooperate with each other to drive the defective product to move to the position of the defective product receiving lifting and transferring mechanism 6;

[0073] At the same time, the parallel transfer cylinder 63 drives the moving base to slide along the upper part of the support guide rail 64 toward the position of the defective product grabbing mechanism 5, and the material receiving lifting cylinder 62 pushes the material receiving lifting platform 61 to move upward until the material receiving lifting platform 61 is located at the lower part of the material picking fixture 55, and the defective products at the lower part of the material picking fixture 55 are placed on the material receiving lifting platform 61; the marking and sorting of defective products are completed, the labor intensity of the staff is reduced, and the sorting efficiency is improved; the structure is simple, the operation is very convenient, and the labor intensity of manual labor is effectively reduced.

[0074] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0075] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An online FCT single-track test device, characterized in that: It comprises a product conveying track mechanism (1), a detection mechanism and a defective product processing component, wherein the detection mechanism comprises a test fixture lifting mechanism (2) and a downward test mechanism (3) symmetrically arranged on both sides of the product conveying track mechanism (1), and the defective product processing component is arranged at the end of the product conveying track mechanism (1); The defective product processing assembly comprises a defective product marking mechanism (4), a defective product grabbing mechanism (5) and a defective product receiving, lifting and transferring mechanism (6).

2. The online FCT single-track test equipment according to claim 1, characterized in that: The defective product marking mechanism (4) comprises a marking stamp (48) for marking defective products and a marking cylinder (47), and the end of the marking stamp (48) is fixedly connected to the end of the marking cylinder (47), and a movable truss is provided on the side of the marking cylinder (47); a Y-axis KK module (42) for driving the marking stamp (48) to move along the Y-axis direction is installed on the end of the movable truss, and the Y-axis KK module (42) is fixedly connected to the side of the pressing test mechanism (3) through a KK module fixing plate (41).

3. The online FCT single-track test equipment according to claim 2, characterized in that: A linear guide rail (43) and a guide rail mounting plate (49) for fixing the linear guide rail (43) on the defective product grabbing mechanism (5) are provided on the side of the movable truss away from the Y-axis KK module (42); an X-axis ball screw (44) assembly for driving the marking stamp (48) to move along the X-axis direction is also installed on the side of the movable truss, and the side of the marking cylinder (47) is in transmission cooperation with the X-axis ball screw (44).

4. The online FCT single-track test equipment according to claim 3, characterized in that: A tank chain (45) is provided at one end of the mobile truss, an X-axis driving motor (46) is fixed to the end of the mobile truss, and the X-axis driving motor (46) is connected to the X-axis ball screw (44) through a coupling.

5. The online FCT single-track testing device according to claim 1, characterized in that: The defective product grabbing mechanism (5) comprises a bracket fixedly connected to the product conveying track mechanism (1), and a Y-axis rodless cylinder (51) is installed on the bracket, and a Z-axis KK module (52) for grabbing defective products and a stepper motor (53) with a brake that is transmission-connected to the Z-axis KK module (52) are provided on the side of the Y-axis rodless cylinder (51).

6. The online FCT single-track testing device according to claim 5, characterized in that: The side of the Y-axis rodless cylinder (51) away from the Z-axis KK module (52) is fixedly connected to the guide rail mounting plate (49).

7. The online FCT single-track testing device according to claim 6, characterized in that: A material taking cylinder (54) and a material taking fixture (55) are also provided below the Z-axis KK module (52), and the material taking fixture (55) is movably connected to the end of the Z-axis KK module (52).

8. The online FCT single-track testing device according to claim 1, characterized in that: The defective product receiving and lifting and transferring mechanism (6) comprises a receiving and lifting platform (61) and a receiving and lifting cylinder (62) capable of pushing the receiving and lifting platform (61) to move, and a movable base plate is installed at the end of the receiving and lifting cylinder (62); linear bearings with seats (66) are fixed at the four corners of the movable base plate, and a receiving and lifting guide shaft (65) is slidably connected to the inner side of the linear bearings with seats (66), and the end of the receiving and lifting guide shaft (65) is fixedly connected to the receiving and lifting platform (61).

9. The online FCT single-track testing device according to claim 8, characterized in that: The lower part of the movable bottom plate is symmetrically connected with a support rail (64), the support rail (64) is fixedly connected to the product conveying track mechanism (1), and the movable bottom plate is slidably connected to the product conveying track mechanism (1) via the support rail (64).

10. The online FCT single-track testing device according to claim 9, characterized in that: A parallel transfer cylinder (63) is correspondingly provided on the side of each supporting guide rail (64), and one end of the parallel transfer cylinder (63) is fixedly connected to the movable bottom plate, and the other end is fixedly connected to the product conveying track mechanism (1).

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