CN115415195A - Transformer multi-station testing device - Google Patents

Abstract

The invention discloses a transformer multi-station testing device, which comprises: the device comprises a feeding conveying line, a pressure-resistant testing mechanism, a transfer conveying line, a comprehensive testing mechanism and a discharging conveying line; the feeding conveying line, the pressure-resistant testing mechanism, the transfer conveying line, the comprehensive testing mechanism and the discharging conveying line are connected in sequence. According to the invention, the transformer is fed through the feeding conveying line, the voltage-withstanding test is carried out on the transformer through the voltage-withstanding testing mechanism, the transformer is transferred through the transfer conveying line, the interlayer test and the comprehensive test are carried out on the transformer through the comprehensive testing mechanism, and the qualified transformer is discharged through the discharging conveying line, so that the feeding, the voltage-withstanding test, the transfer, the interlayer test, the comprehensive test and the discharging are integrally carried out, the manual operation is not needed, the automation degree is high, the working efficiency is greatly improved, the overall layout is reasonable, the structure is compact, and the occupied space is reduced.

Description

Transformer multi-station testing device

Technical Field

The invention relates to the field of transformer testing. More specifically, the invention relates to a transformer multi-station testing device.

Background

In the field of testing transformers, it is known to use testing mechanisms of different structural forms to implement testing of transformers. In the process of researching and implementing the test of the transformer, the inventor finds that the test mechanism in the prior art has at least the following problems:

the existing device needs to test the transformer in multiple different modes, and when the transformer is tested in multiple different modes, the transformer needs to be manually transferred among multiple different testing devices, so that the working efficiency is low, the transformer is likely to be damaged, the cost is increased, and secondly, the layout of all mechanisms of the existing device is unreasonable, so that the whole occupied space is large, and the device is not suitable for occasions with small space.

In view of the above, it is necessary to develop a multi-station testing apparatus for transformer, so as to solve the above problems.

Disclosure of Invention

Aiming at the defects in the prior art, the invention mainly aims to provide a transformer multi-station testing device which is characterized in that a transformer is fed through a feeding conveying line, a voltage-withstanding test mechanism is used for carrying out voltage-withstanding test on the transformer, a transfer conveying line is used for transferring the transformer, a comprehensive testing mechanism is used for carrying out interlayer testing and comprehensive testing on the transformer, and a discharging conveying line is used for discharging qualified transformers, so that the feeding-voltage-withstanding test-transfer-interlayer testing-comprehensive testing-discharging are carried out integrally, manual operation is not needed, the automation degree is high, the working efficiency is greatly improved, the overall layout is reasonable, the structure is compact, and the occupied space is reduced.

The transformer multi-station testing device comprises a material receiving module, a workpiece conveying module, a pressure-resistant testing module, a first recovery module and a second recovery module, wherein the material receiving module is used for receiving and transferring materials of a transformer, the workpiece conveying module is used for controlling the transformer to move, the pressure-resistant testing module is used for performing pressure-resistant testing on the transformer, and the first recovery module is used for recovering unqualified transformers.

The invention also aims to provide a transformer multi-station testing device, which transfers the transformer through the workpiece transfer module, performs interlayer testing on the transformer through the interlayer testing module, performs comprehensive testing on the transformer through the comprehensive testing module, does not need manual operation, has high automation degree, improves the detection efficiency of the transformer, and can clamp transformers with different sizes and models by adjusting the distance between the clamping units through the clamping variable pitch units.

To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a transformer multi-station testing apparatus, comprising: the device comprises a feeding conveying line, a pressure-resistant testing mechanism, a transfer conveying line, a comprehensive testing mechanism and a discharging conveying line;

the feeding conveying line, the pressure resistance testing mechanism, the transfer conveying line, the comprehensive testing mechanism and the discharging conveying line are connected in sequence;

wherein, withstand voltage accredited testing organization includes: the mount, it includes: the pressure-resistant testing device comprises a bottom plate, a bearing plate and a top plate, wherein the bottom plate, the bearing plate and the top plate are sequentially arranged from bottom to top in the vertical direction, the bottom plate, the bearing plate and the top plate are fixedly connected through connecting rods, a placing space is defined between the bottom plate and the bearing plate, and a pressure-resistant testing space is defined between the bearing plate and the top plate;

the material receiving module is arranged at the front end of the fixing frame;

the workpiece conveying module is fixedly arranged on the top plate, and the workpiece conveying module is partially positioned in the pressure-resistant test space; and

at least two groups of pressure-resistant test modules are arranged, and the pressure-resistant test modules are movably arranged on the bearing plate;

the surface of the bearing plate is provided with a first bearing part, the first bearing part bears a transformer to be tested, the first bearing part and the feeding conveying line are butted with the receiving module, and the voltage-withstanding testing module is positioned at the side end of the first bearing part;

the comprehensive testing mechanism comprises: a workpiece transfer module;

the interlayer testing module is arranged beside the workpiece transfer module; and

the comprehensive test module is arranged beside the workpiece transfer module;

the material receiving module receives a transformer to be tested from a material feeding conveying line and then drives the transformer to be tested to move in the vertical direction, so that the transformer to be tested is aligned with the top surface of the first supporting part, the workpiece conveying module respectively pushes the transformer to be tested on the material receiving module to two pressure-resistant testing modules along the extending direction of the first supporting part, the two pressure-resistant testing modules respectively carry out pressure-resistant testing on different transformers, after the testing is finished, the workpiece conveying module pushes the qualified transformer to the transfer conveying line, the workpiece transferring module transfers the transformer on the transfer conveying line to the interlayer testing module for testing, after the testing is finished, the workpiece transferring module transfers the qualified transformer to the comprehensive testing module for testing, and after the testing is finished, the workpiece transferring module finally transfers the qualified transformer to the material discharging conveying line for discharging.

Preferably, the workpiece conveying module comprises: a transport driver fixedly mounted on the top plate;

a fixing plate fixedly mounted below the top plate; and

and the pushing units are symmetrically arranged at the side end of the fixing plate in pairs, are in transmission connection with the power output end of the conveying driver by utilizing the switching block and the sliding rail, are fixedly connected with the movable part of the sliding rail, and at least partially coincide with the projection of the transformer on the first bearing part in the horizontal direction.

Preferably, the material receiving module comprises: a lifting driver fixedly mounted on the bottom plate;

the material bearing block is in transmission connection with the power output end of the lifting driver;

the lifting driver drives the bearing block to reciprocate along the vertical direction so as to control the bearing block to be respectively butted with the feeding conveying line and the first bearing part.

Preferably, withstand voltage test module is equipped with and is no less than two sets of, withstand voltage test module includes: the test driver is fixedly arranged on the bearing plate through a fixing block;

the at least two switching blocks are in transmission connection with the power output end of the test driver; and

each testing block is fixedly connected with one corresponding switching block;

the testing block is fixedly provided with a testing rod, one end part of the testing rod is electrically connected with the withstand voltage tester, and the testing block is symmetrically arranged at two side ends of the first bearing part;

the test driver drives the test block to perform opening and closing movement so as to control the test rod to be in contact connection or separation with the transformer to be tested.

Preferably, the withstand voltage testing mechanism further includes: the first recovery module is arranged at the discharge end of the first bearing part;

the first recycling module comprises: a first recovery switching unit;

the number of the first recovery material racks is not less than two, and the two first recovery material racks are symmetrically arranged; and

the number of the pushing drivers is at least two, the pushing drivers are symmetrically arranged on the bearing plate, and the axis of each pushing driver is superposed with the axis of the corresponding first recovery material rack;

the first recovery switching unit is respectively connected with each first recovery rack in an abutting mode.

Preferably, the workpiece transfer module comprises: a fixed seat;

the mechanical arm unit is fixedly arranged on the fixed seat;

the clamping variable-pitch unit is in transmission connection with the power output end of the mechanical arm unit; and

the clamping units are in transmission connection with the clamping variable-pitch unit;

the clamping variable-pitch unit is used for adjusting the distance between two adjacent clamping units.

Preferably, the gripping pitch varying unit includes: the fixed frame body is in transmission connection with the mechanical arm unit;

a variable pitch drive fixedly attached to a side end of the fixed frame;

the two adjacent transmission rods are hinged in a crossed mode through hinge columns and are in transmission connection with the power output end of the variable-pitch driver; and

the number of the variable-pitch adapter pieces is less than 2, and each variable-pitch adapter piece is fixedly connected with one corresponding clamping unit;

each pitch-variable adapter is arranged at the hinged position of the transmission rod, and the pitch-variable adapter is fixedly connected with the hinged column.

Preferably, the interlayer testing module comprises: a supporting base;

the material receiving unit is movably arranged on the supporting seat; and

the clamping unit is movably arranged on the material receiving unit;

the supporting seat is provided with a material receiving station and a testing station, the material receiving unit moves back and forth between the material receiving station and the testing station, and the clamping unit clamps a transformer to be tested.

Preferably, the receiving unit includes: the material receiving driver is fixedly arranged on the supporting seat; and

the material receiving plate is in transmission connection with the power output end of the material receiving driver;

the material receiving driver drives the material receiving plate to move back and forth between the material receiving station and the testing station;

the clamping unit includes: the clamping driver is fixedly arranged below the material receiving plate; and

the number of the clamping blocks is not less than two, and the clamping blocks are in transmission connection with the power output end of the clamping driver;

the clamping driver drives the clamping block to clamp the transformer to be tested.

Preferably, the comprehensive test module includes: a comprehensive test seat; and

the limiting unit is arranged beside the comprehensive test seat;

wherein, spacing unit includes: a limiting driver; and

and the limiting block is in transmission connection with the power output end of the limiting driver.

One of the above technical solutions has the following advantages or beneficial effects: according to the transformer loading and unloading integrated machine, a transformer is loaded through the loading conveying line, the voltage withstanding test is carried out on the transformer through the voltage withstanding test mechanism, the transformer is transferred through the transfer conveying line, the interlayer test and the comprehensive test are carried out on the transformer through the comprehensive test mechanism, and the qualified transformer is unloaded through the unloading conveying line, so that the loading, the voltage withstanding test, the transfer, the interlayer test, the comprehensive test and the unloading are carried out integrally, manual operation is not needed, the automation degree is high, the working efficiency is greatly improved, meanwhile, the overall layout is reasonable, the structure is compact, and the occupied space is reduced.

Another technical scheme among the above-mentioned technical scheme has following advantage or beneficial effect: according to the transformer pressure-resistant test system, the transformer is subjected to material receiving transfer through the material receiving module, the transformer is controlled to move through the workpiece conveying module, the pressure-resistant test is performed on the transformer through the pressure-resistant test module, unqualified transformers are recovered through the first recovery module, the overall layout is reasonable and compact, the occupied space is small, manual operation is not needed, the automation degree is high, the test efficiency of the transformer is greatly improved, the working efficiency is finally improved, and the cost is reduced.

Another technical scheme in the above technical scheme has the following advantages or beneficial effects: according to the invention, the transformer is transferred through the workpiece transfer module, the transformer is subjected to interlayer testing through the interlayer testing module, the transformer is subjected to comprehensive testing through the comprehensive testing module, manual operation is not required, the automation degree is high, the detection efficiency of the transformer is improved, and meanwhile, the distance between the clamping units can be adjusted through the clamping pitch-varying units, so that the transformers with different sizes and models can be clamped, and the universality is realized.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below, and it is apparent that the drawings in the following description relate only to some embodiments of the present invention and are not limiting thereof, wherein:

fig. 1 is a three-dimensional structural view of a transformer multi-station testing device according to an embodiment of the invention;

fig. 2 is a top view of a transformer multi-station testing apparatus according to an embodiment of the present invention;

FIG. 3 is a three-dimensional structural view of a withstand voltage testing mechanism according to an embodiment of the present invention;

fig. 4 is a front view of the pressure-resistant testing mechanism according to an embodiment of the present invention after hiding the receiving module and the first recycling module;

fig. 5 is a three-dimensional structure view of the receiving module according to an embodiment of the invention;

fig. 6 is a side view of a receiving module according to an embodiment of the present invention;

fig. 7 is a three-dimensional structural view of a workpiece conveying module according to an embodiment of the present invention;

fig. 8 is an exploded view of a workpiece transport module according to an embodiment of the present invention;

fig. 9 is a cross-sectional view of a workpiece transport module according to an embodiment of the present invention;

fig. 10 is a three-dimensional structural view of a voltage withstanding test module according to an embodiment of the present invention;

FIG. 11 is a three-dimensional structural view of a barrier module according to an embodiment of the present invention;

FIG. 12 is a three-dimensional structural view of a first recycling module according to an embodiment of the present invention;

FIG. 13 is a three-dimensional structural view of a first recycle switching unit according to an embodiment of the present invention;

FIG. 14 is a three-dimensional structural view of a proposed integrated test mechanism, according to one embodiment of the present invention;

FIG. 15 is a top view of an integrated test mechanism after concealing a workpiece transfer module according to one embodiment of the invention;

FIG. 16 is a three-dimensional structural view of a workpiece transfer module according to an embodiment of the invention;

fig. 17 is an exploded structural view of a gripping pitch varying unit and a gripping unit according to an embodiment of the present invention;

fig. 18 is an exploded view of a gripping pitch varying unit according to an embodiment of the present invention;

FIG. 19 is a three-dimensional structural view of a proposed inter-layer test module according to one embodiment of the present invention;

FIG. 20 is a three-dimensional structural view of a comprehensive test module according to an embodiment of the present invention;

fig. 21 is a top view of a comprehensive test module according to an embodiment of the invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, means that the element or item appearing in front of the word "comprising" or "comprises" includes the element or item listed after the word "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. "upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc., are defined with respect to the configurations shown in the respective drawings, and in particular, "height" corresponds to a dimension from top to bottom, "width" corresponds to a dimension from left to right, "depth" corresponds to a dimension from front to rear, which are relative concepts, and thus may be varied accordingly depending on the position in which it is used, and thus these or other orientations should not be construed as limiting terms.

Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to the relationship of structures being secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments, unless expressly described otherwise.

According to an embodiment of the present invention, referring to fig. 1 to 21, it can be seen that the transformer multi-station testing apparatus includes: the device comprises a feeding conveying line 1, a pressure-resistant testing mechanism 2, a transfer conveying line 3, a comprehensive testing mechanism 4 and a discharging conveying line 5;

the feeding conveying line 1, the pressure resistance testing mechanism 2, the transfer conveying line 3, the comprehensive testing mechanism 4 and the discharging conveying line 5 are connected in sequence;

wherein, withstand voltage test mechanism 2 includes: a mount 21, which includes: the pressure-resistant testing device comprises a bottom plate 211, a bearing plate 212 and a top plate 213, wherein the bottom plate 211, the bearing plate 212 and the top plate 213 are sequentially arranged from bottom to top in the vertical direction, the bottom plate 211, the bearing plate 212 and the top plate 213 are fixedly connected through a connecting rod 214, a placing space is defined between the bottom plate 211 and the bearing plate 212, and a pressure-resistant testing space is defined between the bearing plate 212 and the top plate 213;

a receiving module 22 disposed at the front end of the fixing frame 21;

a workpiece conveying module 23 fixedly mounted on the top plate 213, wherein the workpiece conveying module 23 is partially located in the pressure-resistant test space; and

at least two groups of pressure-resistant test modules 24 are arranged, and the pressure-resistant test modules 24 are movably mounted on the supporting plate 212;

a first supporting part 2121 is arranged on the surface of the supporting plate 212, the first supporting part 2121 supports the transformer to be tested, the first supporting part 2121 and the feeding conveyor line 1 are butted with the receiving module 22, and the voltage withstanding testing module 24 is located at the side end of the first supporting part 2121;

the comprehensive test mechanism 4 includes: a workpiece transfer module 41;

an interlayer test module 42 disposed beside the work transfer module 41; and

a comprehensive test module 43 disposed beside the workpiece transfer module 41;

the receiving module 22 receives a transformer to be tested from the feeding conveying line 1 and drives the transformer to be tested to move in the vertical direction, so that the transformer to be tested is aligned with the top surface of the first supporting part 2121, the workpiece conveying module 23 respectively pushes the transformer to be tested on the receiving module 22 to the two pressure-resistant testing modules 24 along the extending direction of the first supporting part 2121, the two pressure-resistant testing modules 24 respectively perform pressure-resistant testing on different transformers, after the testing is completed, the workpiece conveying module 23 pushes a qualified transformer to the transfer conveying line 3, the workpiece transferring module 41 transfers the transformer on the transfer conveying line 3 to the interlayer testing module 42 for testing, after the testing is completed, the workpiece transferring module 41 transfers the qualified transformer to the comprehensive testing module 43 for testing, and after the testing is completed, the workpiece transferring module 41 finally transfers the qualified transformer to the discharging conveying line 5 for discharging.

Further, the workpiece conveying module 23 includes: a conveyance driver 231 fixedly attached to the top plate 212;

a fixing plate 232 fixedly mounted below the top plate 213; and

the pushing units 233 are symmetrically arranged at the side end of the fixing plate 232 in pairs, the pushing units 233 are in transmission connection with the power output end of the conveying driver 231 through the transfer block 234 and the slide rail 235, the pushing units 233 are fixedly connected with the movable part of the slide rail 235, and the projections of the pushing units 233 and the transformer on the first bearing part 2121 in the horizontal direction are at least partially overlapped.

In a preferred embodiment of the present invention, the material pushing unit 233 includes: a fixed block 2331 fixedly connected to a movable portion of the slide rail 235;

a push block 2332, which is located between the fixing block 2331 and the fixing plate 232, and the push block 2332 is rotatably connected with the fixing block 2331; and

a limiting block 2333, which is fixedly installed on the fixing plate 232, and the limiting block 2333 is located above the push block 2332;

wherein the pusher block 2332 comprises: a stopper 23321; and

a pushing part 23322 integrally formed with the limiting part 23321, wherein the pushing part 23322 extends in a direction away from the limiting part 23321 on the surface of the limiting part 23321, and the pushing part 23322 is rotatably connected with the limiting part 2333.

Further, the material receiving module 22 includes: a lifting driver 221 fixedly installed on the base plate 211;

the material receiving block 222 is in transmission connection with the power output end of the lifting driver 221;

the lifting driver 221 drives the support block 222 to reciprocate along the vertical direction, so as to control the support block 222 to be respectively butted with the feeding line 1 and the first support part 2121.

It can be understood that the lifting driver 221 drives the support block 222 to move downward along the vertical direction, so that the support block 222 is abutted with the feeding conveyor line 1, after the support block 222 receives the transformer to be tested at the feeding conveyor line 1, the lifting driver 222 drives the support block 222 to move upward along the vertical direction, so that the support block 222 is abutted with the first support part 2121, and the conveying driver 231 controls the material pushing unit 233 to push the transformer to be tested to the two voltage withstanding test modules 24 for voltage withstanding test.

In a preferred embodiment of the present invention, at least two guide blocks 223 are disposed on the top of the material-receiving block 222, the two guide blocks 223 are symmetrically disposed,

a positioning portion 2221 is arranged in the central area of the top of the material bearing block 222, the positioning portion 2221 extends from the top surface of the material bearing block 222 to a direction away from the material bearing block 222, the positioning portion 2221 is located between the two guide blocks 223, and the positioning portion 2221 positions the transformer to be tested.

It can be understood that, by providing two guide blocks 223 to guide the transformer, and simultaneously, setting the positioning portion 2221 to position the transformer, the transformer is prevented from moving freely.

Further, withstand voltage test module 24 is equipped with and is no less than two sets of, withstand voltage test module 24 includes: a test driver 241 fixedly mounted on the support plate 212 by a fixing block 242;

at least two transfer blocks 243 drivingly connected to the power take-off of the test driver 241; and

at least two test blocks 244, wherein each test block 244 is fixedly connected to a corresponding one of the switching blocks 243;

a testing rod 245 is fixedly installed on the testing block 244, one side end of the testing rod 245 is electrically connected with the withstand voltage tester, and the testing block 244 is symmetrically arranged at two side ends of the first supporting part 2121;

the test driver 241 drives the test block 244 to perform an opening and closing motion to control the test rod 245 to be in contact connection with or separated from the transformer to be tested.

It can be understood that the test driver 241 controls the test rod 245 to contact with a transformer to be tested, the withstand voltage tester performs a withstand voltage test on the transformer, after the test is completed, the test driver 241 controls the test rod 245 to be separated from the transformer, and the workpiece conveying module 23 continues to push the transformer to move.

In a preferred embodiment of the present invention, the number of the testing rods 245 mounted on different testing blocks 244 is different, so that the voltage withstand testing module 244 can test transformers of different models, and has versatility.

At least two standing grooves 2321 have been seted up to the central zone of fixed plate 232, every equal fixed mounting has pressfitting module 25 in the standing groove 2321, pressfitting module 25 includes: a pressing driver 251 fixedly installed in the placing groove 2321; and

the pressure head 2322 is in transmission connection with the power output end of the pressing driver 251; the indenter 2322 is made of an insulating flexible material.

It can be understood that the pressing driver 251 controls the pressing head 2322 to perform pressing fastening on the transformer to be tested, so as to prevent the transformer from moving randomly during testing, thereby affecting the testing procedure, and meanwhile, the pressing head 2322 is made of an insulating flexible material so as to prevent the pressing head from damaging the transformer.

The transformer withstand voltage testing mechanism 2 further comprises: a plurality of barrier modules 26, wherein each of the barrier modules 26 is located beside the corresponding voltage withstanding test module 24;

the blocking module 26 includes: a blocking driver 261 fixedly installed below the support plate 212 by a guide block 262; and

a blocking piece 263, which is in transmission connection with the power output of the blocking drive 261;

a guide groove 2621 is formed on a surface of the guide block 262, and the blocking block 263 is located in the guide groove 263.

It can be understood that the blocking driver 261 drives the blocking block 263 to move in the vertical direction, so as to control the blocking block 263 to block the transformer, and prevent the workpiece conveying module 23 from excessively driving the transformer to be tested to move, thereby affecting the testing process, and meanwhile, the blocking block 263 is located in the guide groove 263, so that the overall structure is compact, and the occupied space is reduced.

Further, the withstand voltage testing mechanism 2 further includes: a first recycling module 27 disposed at the discharge end of the first support portion 2121;

the first recycling module 27 includes: a first recovery switching unit 271;

at least two first recycling racks 272 are arranged, and the two first recycling racks 272 are symmetrically arranged; and

at least two pushing drivers 273, wherein the pushing drivers 273 are symmetrically installed on the supporting plate 212, and the axis of each pushing driver 273 is overlapped with the axis of a corresponding first recovery rack 272;

the first recycle switching unit 271 interfaces with each of the first recycle stacks 272, respectively.

It can be understood that, when the voltage withstanding module 244 detects that the transformer is qualified, the first recovery switching unit 271 is abutted with the transfer line 3 after the discharge end of the first supporting part 2121 receives the qualified transformer, and the qualified transformer is transferred through the transfer line 3;

when the voltage withstanding test module 244 detects that the transformer is unqualified, the first recovery switching unit 271 is connected with any one of the first recovery racks 272 after the discharge end of the first supporting part 2121 receives the unqualified transformer, the material pushing driver 273 pushes the unqualified transformer to the first recovery rack 272 for recovery, and meanwhile, the two groups of first recovery racks 272 are provided in the invention, so that the unqualified transformer can be recovered alternately, and further, the working efficiency is improved.

In a preferred embodiment of the present invention, the first recovery switching unit 271 includes: a bearing seat 2711;

a first switching driver 2712 fixedly mounted on the holder base 2711;

the fine adjustment driver 2713 is in transmission connection with the power output end of the first switching driver 2712 through an adapter plate 2715; and

a first switching plate 2714 which is in transmission connection with a power output end of the fine adjustment driver 2713;

wherein a top region of the first switching plate 2714 is provided with a second bearing 27141.

It can be appreciated that the first switch driver 2712 and the fine tuning driver 2713 adjust the position of the first switch plate 2714, and the fine tuning driver 2713 fine tunes the position of the first switch plate 2714;

when the voltage withstanding test module 244 detects that the transformer is qualified, the first switching driver 2712 and the fine tuning driver 2713 first control the second supporting part 27441 to be abutted with the first supporting part 2121 so as to receive the qualified transformer from the discharging end of the first supporting part 2121, and then control the second supporting part 27441 to be abutted with the transit conveyor line 3 by the first switching driver 2712 and the fine tuning driver 2713, so that the qualified transformer is transit-conveyed by the transit conveyor line 3;

when the voltage withstanding test module 244 detects that the transformer is unqualified, the first switching driver 2712 and the fine tuning driver 2713 first control the second supporting portion 27441 to be abutted with the first supporting portion 2121 so as to receive the unqualified transformer from the discharge end of the first supporting portion 2121, the first switching driver 2712 and the fine tuning driver 271 then control the second supporting portion 27441 to be abutted with any one of the first recycling racks 272, and the pushing driver 273 pushes the unqualified transformer to the first recycling rack 272 for recycling.

Further, the workpiece transfer module 41 includes: a fixed base 411; a robot arm unit 412 fixedly attached to the holder 411; the gripping pitch-changing unit 413 is in transmission connection with a power output end of the mechanical arm unit 413; and at least two gripping units 414, each gripping unit 414 is in transmission connection with the gripping pitch-varying unit 413;

the gripping pitch varying unit 413 is configured to adjust a distance between two adjacent gripping units 414.

Further, the gripping pitch unit 413 includes: a fixed frame 4131 drivingly connected to the robot arm unit 412;

a variable pitch driver 4132 fixedly attached to a side end of the fixed frame 4131;

at least two transmission rods 4133, two adjacent transmission rods 4133 are hinged in a crossed mode through hinge columns 4137, and the transmission rods 4133 are in transmission connection with the power output end of the variable-pitch driver 4132; and

the number of the variable-pitch adapters 4134 is less than 2, and each variable-pitch adapter 4134 is fixedly connected with one corresponding clamping unit 414;

wherein each pitch change adapter 4134 is respectively arranged at the hinge joint of the transmission rod 4133, and the pitch change adapter 4134 is fixedly connected with the hinge column 4137.

It can be understood that the variable-pitch driver 4132 drives the transmission rod 4133 to move so as to change the connection shape of the transmission rod 4133, further drive the variable-pitch adapter 4134 to move, and finally drive the clamping units 414 to move so as to change the distance between each of the clamping units 414, so that the clamping units 414 can clamp transformers of different models and sizes, and the clamping device has universality.

In a preferred embodiment of the present invention, the gripping pitch unit 413 further includes: at least two guide rods 4135, each guide rod 4135 is fixedly installed inside the fixed frame 4131, and each guide rod 4135 is movably connected with a corresponding one of the pitch-variable adapters 4134; and

a fixing rod 4136 fixedly installed on the fixing frame 4131, wherein the fixing rod 3136 is located at a hinge joint of any two adjacent driving rods 4133;

the fixing rod 4136 is provided with a positioning groove 41361 on the surface thereof, and the hinge column 4137 is slidably disposed in the positioning groove 41361.

It can be understood that the gripping unit 414 is prevented from moving randomly in different directions by providing the guide lever 4135 to guide the gripping unit 414, and the hinge post 4137 is slidably disposed in the positioning groove 41361, and the hinge post 4137 slides in the positioning groove 41361 to limit the transmission lever 4133.

Further, the gripping unit 414 includes: the clamping driver 4141 is fixedly connected with the variable-pitch adapter 4134;

the clamping jaws 4142 are symmetrically arranged, and the clamping jaws 4142 are in transmission connection with the power output end of the clamping driver 4141; and

a positioning suction head 4143, which is located between the two clamping jaws 4142, and the positioning suction head 4143 is fixedly connected with the gripping driver 4141.

It can be understood that the clamping driver 4141 drives the clamping jaws 4142 to move, so as to control the clamping jaws 4142 to clamp the transformer, and meanwhile, the positioning suction heads 4143 are also arranged to suck and fix the transformer, so that the clamping and fixing of the transformer are more stable.

In a preferred embodiment of the present invention, the clamping jaws 4142 are made of an insulating flexible material to prevent the clamping jaws 4142 from damaging the transformer;

the positioning suction head 4143 is in communication with an external air source.

Further, the interlayer test module 42 includes: a support seat 421;

the receiving unit 422 is movably arranged on the supporting seat 421; and

the clamping unit 423 is movably arranged on the material receiving unit 422;

the supporting seat 421 is provided with a material receiving station and a testing station, the material receiving unit 422 is in reciprocating motion between the material receiving station and the testing station, and the clamping unit 423 clamps the transformer to be tested.

In a preferred embodiment of the present invention, the interlayer test module 42 further includes: and (4) an interlayer tester.

It can be understood that, when the receiving unit 422 is located at the receiving station, the workpiece transferring module 41 transfers the transformer to be tested to the receiving unit 422;

when the material receiving unit 422 is located at a test station, the interlayer tester performs interlayer test on the transformer.

Further, the receiving unit 422 includes: the receiving driver 4221 is fixedly arranged on the supporting seat 421; and

the material receiving plate 4222 is in transmission connection with a power output end of the material receiving driver 4221;

the material receiving driver 4221 drives the material receiving plate 4222 to move back and forth between the material receiving station and the testing station;

the clamping unit 423 includes: a clamp driver 4231 fixedly installed below the receiving plate 4222; and

at least two clamping blocks 4232 are arranged, and the clamping blocks 4232 are in transmission connection with the power output end of the clamping driver 4231;

the clamping driver 4231 drives the clamping block 4232 to clamp the transformer to be tested.

In a preferred embodiment of the present invention, the interlayer testing mechanism 42 further includes: a first recovery driver 424, fixedly mounted to the supporting base 421; and

a second recycling frame 425 disposed beside the supporting base 421;

the first recycle drive 424 and the second recycle bin 425 are both located at the test station, and the axes of the first recycle drive 424 and the second recycle bin 425 are coaxial.

It can be understood that, when the interlayer tester detects that the transformer is qualified, the material receiving unit 422 drives the qualified transformer to the material receiving station, and the workpiece transfer module 41 transfers the qualified transformer to the comprehensive test module 43 for testing;

when the inter-layer tester detects that the transformer is not qualified, the first recycling driver 424 drives the unqualified transformer to be transferred to the second recycling bin 425 for recycling.

Further, the comprehensive test module 43 includes: a comprehensive test stand 431; and a limiting unit 432 arranged at the side of the comprehensive test seat 431;

wherein, the limiting unit 432 comprises: a limit driver 4321; and a limit block 4322, which is in transmission connection with the power output end of the limit driver 432.

In a preferred embodiment of the present invention, the comprehensive test module 43 further includes: an integrated tester (not shown) disposed beside the integrated test base 431;

the inner side of the limiting block 4322 is provided with a buffer block 4323, and the buffer block 4323 is made of a flexible material.

It can be understood that the transformer qualified by the interlayer testing module 42 is transferred and placed on the comprehensive testing seat 431 by the workpiece transfer module 41, the limiting driver 432 controls the limiting block 4322 to limit and fix the transformer, and the comprehensive tester tests the transformer to determine whether the transformer is qualified.

The comprehensive test mechanism 43 further includes: a second reclaim driver (not shown); a second recovery switching unit 433 disposed at a side of the integrated test socket 431; and a third recycling frame 434 disposed beside the second recycling switching unit 433;

wherein the second recovery switching unit 433 includes: a second switching driver 4331 fixed by a support 4332; and

the second switching plate 4333 is in transmission connection with a power output end of the second switching driver 4331, a guide rail 4334 is arranged between the second switching plate 4333 and the supporting frame 4332, and the second switching plate 4334 is fixedly connected to a movable portion of the guide rail 4334.

It can be understood that, when the comprehensive tester detects that the transformer is qualified, the workpiece transfer module 41 transfers the qualified transformer on the comprehensive test seat 431 to the blanking conveying line 5 for blanking;

when the integrated tester detects that the transformer is unqualified, the workpiece transfer module 41 transfers the unqualified transformer to the first switch board 4333, the second switch driver 4331 drives the second switch board 4333 to be butted with the third recovery material frame 434, and the second recovery driver drives the unqualified transformer to be transferred to the third recovery material frame 434 for recovery.

The number of apparatuses and the scale of the process described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.

While embodiments of the invention have been disclosed above, it is not intended that they be limited to the applications set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. It is therefore intended that the invention not be limited to the exact details and illustrations described and illustrated herein, but fall within the scope of the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a transformer multistation testing arrangement which characterized in that includes: the device comprises a feeding conveying line (1), a pressure-resistant testing mechanism (2), a transfer conveying line (3), a comprehensive testing mechanism (4) and a discharging conveying line (5);

the feeding conveying line (1), the pressure-resistant testing mechanism (2), the transfer conveying line (3), the comprehensive testing mechanism (4) and the discharging conveying line (5) are connected in sequence;

wherein, withstand voltage test mechanism (2) includes: a mount (21) comprising: the pressure-resistant testing device comprises a bottom plate (211), a bearing plate (212) and a top plate (213), wherein the bottom plate (211), the bearing plate (212) and the top plate (213) are sequentially arranged from bottom to top in the vertical direction, the bottom plate (211), the bearing plate (212) and the top plate (213) are fixedly connected through a connecting rod (214), a placing space is defined between the bottom plate (211) and the bearing plate (212), and a pressure-resistant testing space is defined between the bearing plate (212) and the top plate (213);

the material receiving module (22) is arranged at the front end of the fixing frame (21);

the workpiece conveying module (23) is fixedly arranged on the top plate (213), and the workpiece conveying module (23) is partially positioned in the pressure-resistant test space; and

the pressure resistance test modules (24) are not less than two groups, and the pressure resistance test modules (24) are movably arranged on the bearing plate (212);

a first bearing part (2121) is arranged on the surface of the bearing plate (212), the first bearing part (2121) bears a transformer to be tested, the first bearing part (2121) and the feeding conveying line (1) are butted with the receiving module (22), and the pressure-resistant testing module (24) is positioned at the side end of the first bearing part (2121);

the comprehensive testing mechanism (4) comprises: a workpiece transfer module (41);

an interlayer test module (42) arranged beside the workpiece transfer module (41); and

a comprehensive test module (43) arranged beside the workpiece transfer module (41);

the material receiving module (22) receives a transformer to be tested from the feeding conveying line (1) and then drives the transformer to be tested to move in the vertical direction, so that the transformer to be tested is aligned with the top surface of the first bearing part (2121), the workpiece conveying module (23) respectively pushes the transformer to be tested on the material receiving module (22) to the two pressure-resistant testing modules (24) along the extending direction of the first bearing part (2121), the two pressure-resistant testing modules (24) respectively carry out pressure-resistant testing on different transformers, after the testing is completed, the workpiece conveying module (23) pushes the qualified transformer to the transfer conveying line (3), the workpiece transfer module (41) transfers the transformer on the transfer conveying line (3) to the interlayer testing module (42) for testing, after the testing is completed, the workpiece transfer module (41) transfers the qualified transformer to the comprehensive testing module (43) for testing, and after the testing is completed, the workpiece transfer module (41) finally transfers the qualified transformer to the feeding conveying line (5) for blanking.

2. A transformer multi-station testing device according to claim 1, characterized in that the workpiece conveying module (23) comprises: a conveying driver (231) fixedly installed on the top plate (212);

a fixing plate (232) fixedly attached to the lower side of the top plate (213); and

the pushing units (233) are arranged at the side end of the fixing plate (232) in a pairwise symmetric manner, the pushing units (233) are in transmission connection with the power output end of the conveying driver (231) through the transfer block (234) and the sliding rail (235), the pushing units (233) are fixedly connected with the movable portion of the sliding rail (235), and the projections of the pushing units (233) and the transformer on the first bearing portion (2121) in the horizontal direction are at least partially overlapped.

3. A transformer multi-station testing device according to claim 1, wherein the material receiving module (22) comprises: a lifting driver (221) fixedly mounted on the bottom plate (211);

the material loading block (222) is in transmission connection with the power output end of the lifting driver (221);

the lifting driver (221) drives the bearing block (222) to reciprocate along the vertical direction so as to control the bearing block (222) to be respectively butted with the feeding conveying line (1) and the first bearing part (2121).

4. A transformer multi-station testing device according to claim 1, wherein there are not less than two groups of the voltage withstanding testing modules (24), and the voltage withstanding testing modules (24) comprise: a test driver (241) fixedly mounted on the support plate (212) through a fixing block (242);

at least two transfer blocks (243) in driving connection with the power output end of the test driver (241); and

at least two test blocks (244), wherein each test block (244) is fixedly connected with a corresponding switching block (243);

the testing block (244) is fixedly provided with a testing rod (245), one end part of the testing rod (245) is electrically connected with a withstand voltage tester, and the testing block (244) is symmetrically arranged at two side ends of the first bearing part (2121);

the test driver (241) drives the test block (244) to open and close so as to control the test rod (245) to be in contact connection with or separated from a transformer to be tested.

5. A transformer multi-station testing device according to claim 4, wherein the withstand voltage testing mechanism (2) further comprises: a first recovery module (27) arranged at the discharge end of the first support (2121);

the first recovery module (27) comprises: a first recovery switching unit (271);

the number of the first recovery racks (272) is not less than two, and the two first recovery racks (272) are symmetrically arranged; and

the number of the pushing drivers (273) is not less than two, the pushing drivers (273) are symmetrically arranged on the bearing plate (212), and the axis of each pushing driver (273) is superposed with the axis of the corresponding first recovery material rack (272);

the first recycling switching unit (271) is respectively butted with each first recycling rack (272).

6. A transformer multi-station testing device according to claim 1, characterized in that said workpiece transfer module (41) comprises: a fixed seat (411);

a robot arm unit (412) fixedly attached to the holder (411);

the clamping variable-pitch unit (413) is in transmission connection with the power output end of the mechanical arm unit (413); and

at least two clamping units (414), wherein each clamping unit (414) is in transmission connection with the clamping variable-pitch unit (413);

the clamping variable-pitch unit (413) is used for adjusting the distance between two adjacent clamping units (414).

7. The transformer multi-station testing device according to claim 6, wherein the gripping pitch unit (413) comprises: a fixed frame (4131) in driving connection with the robot arm unit (412);

a variable pitch driver (4132) fixedly attached to a side end of the fixed frame (4131);

at least two transmission rods (4133), wherein two adjacent transmission rods (4133) are hinged in a crossed mode through hinge columns (4137), and the transmission rods (4133) are in transmission connection with the power output end of the variable-pitch driver (4132); and

a variable-pitch adapter (4134) which is provided with less than 2, wherein each variable-pitch adapter (4134) is fixedly connected with a corresponding clamping unit (414);

wherein each variable-pitch adapter (4134) is arranged at the hinge joint of the transmission rod (4133), and the variable-pitch adapter (4134) is fixedly connected with the hinge column (4137).

8. A transformer multi-station testing arrangement according to claim 1, characterized in that the inter-layer testing module (42) comprises: a support seat (421);

the material receiving unit (422) is movably arranged on the supporting seat (421); and

the clamping unit (423) is movably arranged on the material receiving unit (422);

the supporting seat (421) is provided with a material receiving station and a testing station, the material receiving unit (422) moves back and forth between the material receiving station and the testing station, and the clamping unit (423) clamps a transformer to be tested.

9. The transformer multi-station testing device according to claim 8, wherein the material receiving unit (422) comprises: the material receiving driver (4221) is fixedly arranged on the supporting seat (421); and

the material receiving plate (4222) is in transmission connection with the power output end of the material receiving driver (4221);

the material receiving driver (4221) drives the material receiving plate (4222) to move back and forth between the material receiving station and the testing station;

the clamping unit (423) includes: a clamp driver (4231) fixedly installed below the receiving plate (4222); and

the clamping blocks (4232) are not less than two, and the clamping blocks (4232) are in transmission connection with the power output end of the clamping driver (4231);

the clamping driver (4231) drives the clamping block (4232) to clamp the transformer to be tested.

10. A transformer multi-station testing device according to claim 1, wherein the integrated testing module (43) comprises: a comprehensive test seat (431); and

a limiting unit (432) arranged beside the comprehensive test seat (431);

wherein the limiting unit (432) comprises: a limit driver (4321); and

and the limiting block (4322) is in transmission connection with the power output end of the limiting driver (432).

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