CN212255654U

CN212255654U - Loading and unloading device for automatic detection of transformer

Info

Publication number: CN212255654U
Application number: CN202020695196.1U
Authority: CN
Inventors: 赵战杰; 张益锋; 徐晓兰
Original assignee: Jiaxing Yucheng Electronic Technology Co Ltd
Current assignee: Jiaxing Yucheng Electronic Technology Co Ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-12-29
Anticipated expiration: 2030-04-29

Abstract

The utility model discloses a feeding and discharging device for automatic detection of a transformer, which comprises a guide rail, a first transfer mechanism, a turnover mechanism and a second transfer mechanism, wherein one end of the guide rail is arranged at the left side of the first transfer mechanism, the turnover mechanism is arranged at the right side of the first transfer mechanism, the second transfer mechanism is arranged at the right side of the turnover mechanism, the second transfer mechanism comprises a cross connecting frame, a second motor and four finger cylinders, the two finger cylinders are fixedly connected with the cross connecting frame, the second motor is fixedly connected with the cross connecting frame, two clamping fingers of the second finger cylinders are respectively provided with a material carrying unit, a detection platform is arranged below the second finger cylinders at the rear end of the cross connecting frame, a pressing unit is also arranged above the detection platform, conveyor belts are respectively arranged below the second finger cylinders at the left end and the front end of the cross connecting frame, the transformer on the first transfer guide rail of the transfer mechanism is turned over by the turnover mechanism, and the transformer is driven to the upper part of the detection table, and the pressing unit presses the transformer down for detection.

Description

Loading and unloading device for automatic detection of transformer

Technical Field

The utility model relates to a transformer manufacturing field, in particular to last unloader of transformer automated inspection.

Background

The transformer is a common device in a power system, the size, the structure and the like of the transformer are different according to different use environments, turn-to-turn short circuit faults are the primary factors of the transformer faults according to statistics of the transformer faults, turn-to-turn short circuits can be directly caused by the deformation of windings of the transformer, the turn-to-turn short circuit faults are mainly the result of the breakage of turn-to-turn insulating layers, and finally the transformer can be punctured, so that the deformation condition of the windings is detected in advance when the transformer leaves a factory, and unqualified products are screened out.

At present, a special detecting instrument is used for detecting a transformer winding, pins are arranged at the bottom of a transformer, the pins of the transformer to be detected are manually inserted into the detecting instrument, after a detection result is seen, the transformer is taken out, and qualified products and unqualified products are distinguished according to the result detected and displayed by the instrument.

The manual operation mode increases the workload of workers on one hand, and is easy to cause judgment errors on the other hand, so that the qualified products and the unqualified products are mixed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a transformer automated inspection's last unloader replaces the manual work to place the transformer to and separately qualified product and nonconforming product, have the reduction workman work load, avoid making qualified product and nonconforming product thoughtlessly the advantage.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a feeding and discharging device for automatic detection of a transformer comprises a detection table, a transformer, a workbench, a guide rail, a first transfer mechanism, a first turnover mechanism and a second transfer mechanism, wherein one end of the guide rail is connected with a vibration disc, the other end of the guide rail is positioned on the left side of the first transfer mechanism, the turnover mechanism is positioned on the right side of the first transfer mechanism, the second transfer mechanism is positioned on the right side of the turnover mechanism, the second transfer mechanism comprises a cross connecting frame, a second motor and a second four finger cylinder, the four finger cylinders are fixedly connected with four ends of the cross connecting frame, a rotating shaft of the second motor is fixedly connected with the cross connecting frame, two clamping fingers of the second finger cylinder are respectively provided with a material carrying unit, the material carrying unit comprises a fixed plate, a positioning plate and a bolt, the fixed plate is fixedly connected with the clamping fingers of the finger cylinders, through holes are arranged at two ends of the fixed, the bolt passes the fixed plate through the through-hole to through screw hole and locating plate threaded connection, the part of bolt in the fixed plate top still overlaps there is the spring, one side that the locating plate is close to two centers of finger cylinder still is equipped with the location breach, examine the below of the finger cylinder two of test table at cross link rear end, the top of examining the test table still is equipped with the unit of pushing down, the below of the finger cylinder two of cross link left end and front end all is equipped with the conveyer belt.

By adopting the technical scheme, the vibration table transmits the transformer to the guide rail in the direction that the pins are upward, and the transformer is enabled to advance on the guide rail, the first transfer mechanism transfers the transformers on the guide rail to the turnover mechanism in sequence, the turnover mechanism turns over the transformers in sequence, and the transformer is transferred to a second transfer mechanism on the right side, a second finger cylinder on the left side of the cross-shaped connecting frame receives the transformer, the bottom edge of the transformer falls on the top surfaces of the two positioning plates, pins of the transformer penetrate out of notches of the positioning plates downwards, the cross-shaped connecting frame rotates, the transformer is arranged above the detection table, the pressing unit presses down the transformer, the pins are inserted into the detection table for detection, after the detection is finished, the pressing unit is loosened, the spring drives the positioning plate to reset, the positioning plate is taken out of the transformer, the cross-shaped connecting frame rotates, and according to the detection result, placing the transformer on different conveyor belts to finish the distinguishing of qualified products and unqualified products.

Preferably, the first transfer mechanism comprises a moving plate, a first cylinder and a cushion block, the first cylinder is fixedly connected with the cushion block, the moving plate is in sliding connection with the cushion block, the rear side face of the moving plate is fixedly connected with a telescopic rod of the first cylinder, and a feeding notch is formed in one end, far away from the first cylinder, of the moving plate.

By adopting the technical scheme, the feeding notch is aligned with the right end of the guide rail, the transformer enters the feeding notch, then the first cylinder drives the moving plate to move forwards, and the transformer in the feeding notch is transferred forwards.

Preferably, the turnover mechanism comprises a first finger cylinder, a connecting plate, a first support and a first motor, the right end of the connecting plate is rotatably connected with the first support, a rotating shaft of the first motor is fixedly connected with the connecting plate, and the first finger cylinder is fixedly connected with the left end of the connecting plate.

Adopt above-mentioned technical scheme, motor one is step motor, makes a round trip to drive the connecting plate and rotates 180 degrees, and finger cylinder one is to the left side position, and at this moment the middle part of transformer just is in between two clamp fingers of finger cylinder one, and after the transformer was got to finger cylinder one clamp, the motor drove finger cylinder one and resets, and the upset transformer made the stitch of transformer trun into down the state.

Preferably, the pressing unit comprises a second air cylinder, a pressing plate and a second support, the second air cylinder is fixedly connected with the second support, and the pressing plate is fixedly connected with a telescopic rod of the second air cylinder.

By adopting the technical scheme, the second cylinder drives the pressing plate to press downwards, so that the transformer is subjected to downward force, the positioning plate is stressed, the relative fixing plate moves downwards, the pins of the transformer are inserted into the corresponding positions of the detection table, the detection table detects the transformer, after detection is finished, the pressing plate moves upwards, the positioning plate resets under the action of the spring, and the transformer leaves the detection table.

Preferably, the second motor is a stepping motor, and the second motor drives the cross connecting frame to rotate 90 degrees each time.

By adopting the technical scheme, the motor II rotates 90 degrees at each time, the positions of the four cylinders are exchanged along the rotating direction, the finger cylinder II takes the transformer at the left side position, the transformer is detected at the back side position, and the transformer is placed at the front side or the right side position.

Preferably, when the detection table detects that the finger cylinder II at the rear end of the cross connecting frame is qualified, the finger cylinder II rotates by 90 degrees and then is loosened, and when the detection table detects that the finger cylinder II at the rear end of the cross connecting frame is unqualified, the finger cylinder II rotates by 180 degrees and then is loosened.

By adopting the technical scheme, the transformer is placed on different conveyor belts according to the detection result, and the qualified products and the unqualified products are distinguished.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic structural diagram of a first transfer mechanism and a turnover mechanism of the first embodiment;

FIG. 3 is a schematic structural diagram of a loading unit according to an embodiment.

Reference numerals: 1. a detection table; 2. a transformer; 21. a stitch; 3. a guide rail; 31. a limiting plate; 4. a first transfer mechanism; 41. moving the plate; 411. a feed gap; 42. a first cylinder; 43. cushion blocks; 5. a turnover mechanism; 51. a finger cylinder I; 52. a connecting plate; 53. a first bracket; 54. a first motor; 6. a second transfer mechanism; 61. a cross-shaped connecting frame; 62. a second motor; 63. a finger cylinder II; 7. a loading unit; 71. a fixing plate; 72. positioning a plate; 721. positioning the notch; 73. a bolt; 74. a spring; 8. a pressing unit; 81. a second bracket; 82. a second air cylinder; 83. pressing a plate; 9. a work bench.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

As shown in fig. 1, a last unloader of transformer automated inspection, including examining test table 1, transformer 2 and workstation 9, still include guide rail 3, transfer mechanism 4, tilting mechanism 5 and transfer mechanism two 6, guide rail 3 is the horizontality, transformer 2's whole shape is similar squarely, the bottom is equipped with stitch 21, guide rail 3's both ends are equipped with limiting plate 31, limiting plate 31's interval is the same with transformer 2's head width, but limiting plate 31's thickness is less, guide rail 3's one end is connected with the vibration dish (the vibration dish is not shown in the figure), the vibration dish is carried guide rail 3 with stitch 21 mode up with transformer 2 on, the preceding transformer 2 of subsequent transformer 2 conflict moves on guide rail 3 together.

The first transfer mechanism 4 is positioned at the left side part of the workbench 9 and comprises a moving plate 41, a first cylinder 42 and a cushion block 43, the first cylinder 42 is fixedly connected with the rear side part of the cushion block 43, the moving plate 41 is slidably connected with the cushion block 43, a T-shaped bulge is arranged on the bottom surface of the moving plate 41, a matched T-shaped sliding groove is arranged on the bottom surface of the cushion block 43, the rear side surface of the moving plate 41 is fixedly connected with an expansion link of the first cylinder 42, a feeding notch 411 is arranged on the moving plate 41, the feeding notch 411 is far away from the first cylinder 42, the feeding notch 411 penetrates through the top surface and the left side surface of the moving plate 41, the other end of the guide rail 3 is also fixed at the left side part of the workbench 9 and is positioned at the left side of the moving plate 41, the top surface of the moving plate 41 is overlapped with the top surface of the limiting plate 31 of the guide rail 3, the bottom, the transformer 2 enters the feeding notch 411, then the first cylinder 42 drives the moving plate 41 to move forward, the transformer 2 in the feeding notch 411 is transferred forward, and as the rear part of the moving plate 41 has no notch, the transformer 2 on the guide rail 3 is blocked after the moving plate 41 moves forward, and the size of the feeding notch 411 is controlled, so that the transformer 2 just enters one transformer 2 each time.

The turnover mechanism 5 is positioned on the right side of the first transfer mechanism 4, the turnover mechanism 5 comprises a first finger cylinder 51, a connecting plate 52, a first support 53 and a first motor 54, the first support 53 is fixedly connected with the workbench 9, two connecting lugs are arranged at the top of the first support 53, through holes are formed in the two connecting lugs, cylindrical protrusions are arranged on the front side and the rear side of the right end of the connecting plate 52 and are inserted into the through holes of the connecting lugs, the connecting plate 52 is rotatably connected with the first support 53, a rotating shaft of the first motor 54 is fixedly connected with the cylindrical protrusions on one side of the connecting plate 52, the first motor 54 is fixedly connected with the first support 53, the first finger cylinder 51 is fixedly connected with the left end of the connecting plate 52, the first finger cylinder 51 is positioned on the right side, then the first cylinder 42 of the first transfer mechanism 4 transfers the transformer 2 in the feeding notch 411 forwards, the first motor 54 is, the first finger cylinder 51 is located at the left side, the middle part of the transformer 2 is just located between the two clamping fingers of the first finger cylinder 51, and after the first finger cylinder 51 clamps the transformer 2, the first motor 54 drives the first finger cylinder 51 to reset, and the transformer 2 is turned over, so that the pins 21 of the transformer 2 are turned downwards.

The second transfer mechanism 6 is located on the right side of the turnover mechanism 5, the second transfer mechanism 6 comprises a cross connecting frame 61, a second motor 62 and two four finger cylinders 63, the four finger cylinders 63 and the cross connecting frame 61 are fixedly connected at four ends, a cylindrical protrusion is arranged at the bottom of the cross connecting frame 61, an internal thread is arranged on the cylindrical protrusion, a rotating shaft of the second motor 62 is provided with a matched external thread, and the rotating shaft of the second motor 62 and the cross connecting frame 61 are fixedly connected through thread matching.

The two clamping fingers on the four finger cylinders two 63 are provided with a material loading unit 7, the material loading unit 7 comprises a fixing plate 71, a positioning plate 72 and a bolt 73, the fixing plate 71 is in a strip shape and is fixedly connected with the clamping fingers of the finger cylinders, through holes are formed in two ends of the fixing plate 71, the positioning plate 72 is located below the fixing plate 71, threaded holes are formed in the concave shape corresponding to the through holes, the bolt 73 is sleeved with a spring 74, the bolt 73 penetrates through the through holes of the fixing plate 71, the spring 74 is large and cannot penetrate through the through holes, and then the bolt 73 is in threaded connection with the threaded holes of the positioning plate 72, so that the positioning plate 72 can move downwards relative to the fixing plate 71 after being stressed, and can reset under the action of the spring 74 after the stress disappears, two positioning plates 72 on each finger cylinder two 63 are further provided with positioning notches 721, and the positioning notches 721.

The second motor 62 is also a stepping motor, the second motor 62 drives the cross connecting frame 61 to rotate 90 degrees each time, the second motor 62 rotates 90 degrees each time, the four cylinders exchange positions along the rotating direction, and initially, the four finger cylinders II 63 are respectively positioned in the front, back, left and right directions, initially, two clamping fingers of the finger cylinder II 63 on the left side are opened, then the first finger cylinder 51 of the turnover mechanism 5 clamps the transformer 2, after the transformer 2 rotates to the right, the bottom of the transformer 2 is slightly higher than the top surfaces of the two positioning plates 72 of the second finger cylinder 63, then the two clamping fingers of the second finger cylinder 63 are closed, then the first finger cylinder 51 releases the transformer 2, the bottom edge of the transformer 2 falls into the positioning notches 721 of the two positioning plates 72, the pins 21 of the transformer 2 penetrate downwards between the two positioning plates 72, and the first finger cylinder 51 rotates 180 degrees leftwards to clamp the transformer 2 again.

The lower part of the finger cylinder II 63 at the rear side is provided with a detection platform 1, the upper part of the detection platform 1 is provided with a pressing unit 8, the pressing unit 8 comprises a cylinder II 82, a pressing plate 83 and a bracket II 81, the bracket II 81 is L-shaped, the bottom of the bracket II 81 is fixedly connected with the working platform 9, the cylinder II 82 is fixedly connected with the horizontal part of the bracket II 81, the pressing plate 83 is fixedly connected with the telescopic rod of the cylinder II 82, when the second motor 62 rotates 90 degrees, the second finger cylinder 63 on the left side and the transformer 2 rotate to the upper side of the detection table 1, the second cylinder 82 drives the pressing plate 83 to press down, so that the transformer 2 is forced downwards, thus, the positioning plate 72 is stressed and moves downwards relative to the fixing plate 71, the pins 21 of the transformer 2 are inserted into the corresponding positions of the detection platform 1, the detection platform 1 detects the transformer 2, after the detection is finished, the pressure plate 83 moves upwards, the positioning plate 72 is reset under the action of the spring 74, and the transformer 2 leaves the detection table 1.

The conveying belts are arranged below the finger cylinders 63 at the left end and the front end of the cross connecting frame 61, when the detection table 1 is detected to be qualified, the finger cylinders 63 at the rear side are loosened after rotating for 90 degrees, so that the transformer 2 falls on the conveying belt at the right side, and when the detection table 1 is detected to be unqualified, the finger cylinders 63 at the rear side are loosened after rotating for 180 degrees, so that the transformer 2 falls on the conveying belt at the front side, and qualified products are separated from unqualified products.

Claims

1. The utility model provides a last unloader of transformer automated inspection, includes detects platform (1), transformer (2) and workstation (9), its characterized in that still includes guide rail (3), transfer mechanism (4), tilting mechanism (5) and transfer mechanism two (6), the one end of guide rail (3) is connected with the vibration dish, the other end of guide rail (3) is in transfer mechanism one (4) left side, tilting mechanism (5) are in the right side of transfer mechanism one (4), transfer mechanism two (6) are in the right side of tilting mechanism (5), and transfer mechanism two (6) include cross link (61), motor two (62) and four finger cylinder two (63), four ends fixed connection of four finger cylinder two (63) and cross link (61), the pivot and cross link (61) fixed connection of motor two (62), two clamping fingers of the second finger cylinder (63) are provided with a material loading unit (7), the material loading unit (7) comprises a fixing plate (71), a positioning plate (72) and a bolt (73), the fixing plate (71) is fixedly connected with the clamping fingers of the finger cylinder, through holes are formed in two ends of the fixing plate (71), threaded holes are formed in the positions, corresponding to the through holes, of the positioning plate (72), the bolt (73) penetrates through the fixing plate (71) through the through holes and is in threaded connection with the positioning plate (72) through the threaded holes, a spring (74) is further sleeved on the portion, above the fixing plate (71), of the bolt (73), a positioning notch (721) is further formed in one side, close to the center of the second finger cylinder (63), of the detection table (1) is arranged below the second finger cylinder (63) at the rear end of the cross-shaped connecting frame (61), and a pressing unit (8) is further arranged above the detection table (1), and conveyor belts are arranged below the finger cylinder II (63) at the left end and the front end of the cross connecting frame (61).

2. The loading and unloading device for automatic transformer detection according to claim 1, wherein the first transfer mechanism (4) comprises a moving plate (41), a first cylinder (42) and a cushion block (43), the first cylinder (42) and the cushion block (43) are fixedly connected, the moving plate (41) and the cushion block (43) are slidably connected, the rear side of the moving plate (41) is fixedly connected with an expansion rod of the first cylinder (42), and a feeding notch (411) is formed in one end, away from the first cylinder (42), of the moving plate (41).

3. The loading and unloading device for automatic detection of the transformer according to claim 1, wherein the turnover mechanism (5) comprises a first finger cylinder (51), a connecting plate (52), a first bracket (53) and a first motor (54), the right end of the connecting plate (52) is rotatably connected with the first bracket (53), the rotating shaft of the first motor (54) is fixedly connected with the connecting plate (52), and the first finger cylinder (51) is fixedly connected with the left end of the connecting plate (52).

4. The loading and unloading device for automatic detection of the transformer according to claim 1, wherein the pressing unit (8) comprises a second air cylinder (82), a pressing plate (83) and a second bracket (81), the second air cylinder (82) is fixedly connected with the second bracket (81), and the pressing plate (83) is fixedly connected with an expansion rod of the second air cylinder (82).

5. The loading and unloading device for automatic detection of transformers according to claim 1, wherein the second motor (62) is a stepping motor, and the second motor (62) drives the cross connecting frame (61) to rotate 90 degrees each time.