CN210677744U

CN210677744U - Automatic test line for transformer

Info

Publication number: CN210677744U
Application number: CN201921210606.2U
Authority: CN
Inventors: 陆立峰; 周晓强; 周家民
Original assignee: WUXI XINCHANG ELECTRON FACTORY
Current assignee: WUXI XINCHANG ELECTRON FACTORY
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-06-05
Anticipated expiration: 2029-07-29

Abstract

The utility model discloses a transformer automatic test line, it includes beats mark and secondary soldering tin line, electrical property automatic test line and insulating properties automatic test line according to the automation that the product flow direction set gradually, beat mark and secondary soldering tin line including beating mark transfer chain, secondary soldering tin device and first unloading line automatically, it is provided with the automatic mark device of beating on the transfer chain to beat, electrical property automatic test line includes transfer passage, first steel sheet passageway, bakelite board passageway and second steel sheet passageway according to the flow direction of product has set gradually, transfer passage moves the discharge end butt joint of material mechanism and first unloading line through the upset, insulating properties automatic test line includes insulating test transfer chain, reprinting passageway and test channel. The automatic testing line for the transformer can realize automatic labor saving for the transformer, improves the production efficiency, runs stably and reliably, and reduces the reject ratio of the transformer.

Description

Automatic test line for transformer

Technical Field

The utility model belongs to transformer test technology especially relates to a transformer automatic test line.

Background

At present, after the transformer is subjected to paint dipping or glue pouring, the transformer can be inspected only by performing procedures of pin correction, marking, secondary soldering, electrical property testing (no-load voltage, no-load current, no-load loss and the like), insulation testing, appearance inspection, packaging and the like on the product according to the process requirements of the product. In the prior art, each process needs to be operated by one worker, so that a large amount of manpower is consumed, the working efficiency is low, and the problem that the product flows into a customer production line due to misjudgment of the workers is inevitable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transformer automatic test line to there is extravagant manpower, the problem that inefficiency and defective rate are high in the transformer carries out follow-up test after dip coating or encapsulating are accomplished in solving prior art.

To achieve the purpose, the utility model adopts the following technical proposal:

an automatic test wire for transformer comprises an automatic marking and secondary soldering tin wire, an automatic electrical property test wire and an automatic insulation property test wire which are arranged in sequence according to the product flowing direction, wherein,

the automatic marking and secondary tin soldering line comprises a marking conveying line, a secondary tin soldering device and a first discharging line, wherein the marking conveying line is provided with the automatic marking device, the secondary tin soldering device comprises a tin soldering stacking line and a tin enameling machine, the feeding end of the tin soldering stacking line is connected to the discharging end of the marking conveying line, the tin enameling machine is provided with a carrying mechanism which is used for automatically carrying a certain number of transformers on the tin soldering stacking line into the tin enameling machine and carrying out the transformers to the first discharging line after secondary tin soldering, the first discharging line is arranged in parallel with the marking conveying line and the tin soldering stacking line at intervals, the discharging end of the first discharging line is provided with a turnover material moving mechanism which is used for carrying the transformers of the first discharging line to an electrical property automatic testing line,

the automatic electric performance testing line comprises a conveying channel, a first steel plate channel, a bakelite plate channel and a second steel plate channel which are sequentially arranged in the flowing direction of a product, the conveying channel is in butt joint with the discharge end of the discharging line through a turnover material moving mechanism, a first material moving mechanism for moving the product on the conveying channel to the first steel plate channel is arranged on the outer side of the conveying channel, a second material moving mechanism for moving the product on the first steel plate channel to the bakelite plate channel for electric performance testing is arranged on the outer side of the first steel plate channel, an automatic electric performance testing device is arranged above the bakelite plate channel, a third material moving mechanism for moving the tested product to the second steel plate channel is further arranged on the outer side of the bakelite plate channel, and the second steel plate channel is in butt joint with the automatic insulating performance testing line through a transfer conveying line,

the automatic insulation performance testing line comprises an insulation testing conveying line, a fourth material moving mechanism used for sending products of the insulation testing conveying line into a transshipment channel is arranged on the outer side of the insulation testing conveying line, the transshipment channel corresponds to the discharge end of the insulation testing conveying line, a fifth material moving mechanism used for sending the products of the transshipment channel into the testing channel is arranged on the outer side of the transshipment channel, an automatic insulation performance testing device is arranged above the testing channel, a sixth material moving mechanism used for sending the products after insulation performance testing into a second material discharging line is arranged on the outer side of the testing channel, and all the tested finished products are discharged through the second material discharging line.

Particularly, mark moving direction along the product on the transfer line of beating has set gradually and is used for blockking that the upper reaches product gets into the first part that blocks of beating the mark station, is used for beating mark marking machine of mark and is used for blockking the product and making beat the second that mark station department flowed into a certain amount of products and block the part, just beat and have sensor an and sensor b along product moving direction in proper order on the station of marking machine on the transfer line of beating, sensor a is configured as the product of response a certain amount and blocks part and beat mark transfer line communication connection with first, sensor b is configured as the response last product outflow and beats the mark station and block part and beat mark transfer line communication connection with first, second, the discharge end of soldering tin sign material line is sealed and this end installs the sensor c that is used for responding to whether the discharge end has the product, and install the sensor that is used for responding to should have the product in the department in the upper reaches of soldering tin sign material line d, the sensor c and the sensor d are in communication connection with the soldering tin stacking line.

Particularly, a third blocking part, a sensor e, a sensor f and a fourth blocking part are sequentially arranged on the discharging end side of the conveying channel at intervals along the moving direction of the product, the third blocking part is configured to block the upstream product from flowing into the direction of the sensor e, the sensor e and the sensor f are both configured to detect whether the upstream product flows into the first steel plate channel, and the fourth blocking part is configured to block the upstream product from flowing into the first steel plate channel.

Particularly, the first material transferring mechanism comprises a telescopic cylinder a capable of stretching along the product flowing direction, two telescopic cylinders b capable of stretching along the direction perpendicular to the product flowing direction are arranged at intervals at the driving end of the telescopic cylinder a, pneumatic clamping hands are arranged at the driving ends of the telescopic cylinders b, the second material transferring mechanism comprises a telescopic cylinder c capable of stretching along the product flowing direction and arranged at the opposite side of the telescopic cylinder a, the driving end of the telescopic cylinder c is provided with a telescopic cylinder d capable of stretching along the direction perpendicular to the product flowing direction, two pneumatic clamping hands are arranged at intervals at the driving end of the telescopic cylinder d, the third material transferring mechanism comprises a telescopic cylinder e capable of stretching along the product flowing direction and arranged at the same side of the telescopic cylinder a, and a telescopic cylinder f capable of stretching along the direction perpendicular to the product flowing direction is arranged at the driving end of the telescopic cylinder e, and the driving end of the telescopic cylinder f is provided with two pneumatic clamping hands at intervals.

Particularly, a front blocking part is arranged at the feeding end of the insulation test conveying line, a first rear blocking part and a second rear blocking part are arranged at the discharging end at intervals, and a sensor g close to the front blocking part and a sensor h close to the first rear blocking part are respectively arranged between the first rear blocking part and the front blocking part.

Particularly, the fourth material transferring mechanism comprises a telescopic cylinder g which can be stretched and contracted along the product flowing direction, the driving end of the telescopic cylinder g is provided with a telescopic cylinder h which can be stretched and contracted along the direction vertical to the product flowing direction, the end part of the telescopic cylinder h is provided with a first material transferring fork used for transferring a certain number of products, the fifth material transferring mechanism comprises a telescopic cylinder i which can be stretched and contracted along the product flowing direction and is positioned at the opposite side of the telescopic cylinder g, the end part of the telescopic cylinder i is provided with a telescopic cylinder j which can be stretched and contracted along the direction vertical to the product flowing direction, the end part of the telescopic cylinder j is provided with a second material transferring fork used for transferring a certain number of products on the transferring channel to the rear section testing channel, the sixth material transferring mechanism comprises a telescopic cylinder k which can be stretched and contracted along the product flowing direction and is positioned at the same side of the telescopic cylinder g, and the end part of the telescopic cylinder k is provided with, and the end part of the telescopic cylinder l is provided with a third material moving fork used for transferring a certain number of transformers on the test channel to the second material outlet line.

Particularly, a sensor i for detecting whether a product is on the first discharging line is installed at the discharging end of the first discharging line, a sensor j for detecting whether a product is on the position is arranged on the upstream of the sensor i on the first discharging line, the overturning and moving mechanism comprises an overturning air cylinder and a pneumatic clamping hand, the pneumatic clamping hand clamps the product on the first discharging line, and the overturning air cylinder drives the pneumatic clamping hand to overturn for 180 degrees to place the product at the feeding end of the conveying channel.

Particularly, one side of the second steel plate channel is provided with a defective product outflow channel, and a defective product removing cylinder used for pushing a defective product into the defective product outflow channel is installed on the two pneumatic clamping hands on the telescopic cylinder f in a matching mode of the defective product outflow channel.

Particularly, the transshipment channels are arranged in parallel, the transshipment channels are connected with channel switching cylinders which stretch out and draw back along the direction perpendicular to the product circulation direction, the channel switching cylinders drive one of the two transshipment channels to be in butt joint with the discharge end of the insulation test conveying line, the two channels are arranged in parallel in cooperation with the transshipment channels, and the two discharge channels are arranged in parallel on the second discharge line.

The beneficial effects of the utility model are that, compare with prior art the transformer automatic test line can realize automatic marking, secondary soldering tin, electrical property test, insulating operation such as test of beating to the transformer. Not only the structure is simple, but also the design is ingenious; the transformer testing device has the advantages of saving manpower, improving production efficiency, being stable and reliable in operation, and reducing testing cost of the transformer and reject ratio of products.

Drawings

Fig. 1 is a schematic structural diagram of an automatic testing line for a transformer according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an automatic marking and secondary soldering line of an automatic testing line of a transformer according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an automatic electrical property test line of an automatic transformer test line according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an insulation performance automatic test line of a transformer automatic test line according to an embodiment of the present invention.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, in the present embodiment, an automatic testing line for a transformer includes an automatic marking and secondary soldering line, an automatic electrical property testing line, and an automatic insulation property testing line, which are sequentially arranged in a product flow direction, and the automatic marking and secondary soldering line includes an automatic marking device and a secondary soldering device.

Automatic mark device is beaten including beating mark transfer chain 1, beat the moving direction of beating the mark transfer chain 1 and go up the edge transformer and set gradually and be used for blockking the first part that blocks that the mark station was beaten in the upper reaches transformer entering when beating the mark, be used for beating mark 2 of beating the mark of transformer and be used for blockking the transformer and make beat the second that mark station department flowed into the transformer of a certain amount and block the part, first part that blocks is vertical installs the pneumatic tong 3a on beating mark transfer chain 1, block the transformer centre gripping of this department through pneumatic tong 3a, the second blocks the part including installing in the telescopic cylinder 4a who beats the mark 2 outsides of transfer chain, dog 5 is installed to telescopic cylinder 4 a's tailpiece of the piston rod portion, telescopic cylinder 4a drives dog 5 and stretches into or leaves and beats mark transfer chain 1, stop or.

The marking conveying line 1 is provided with a sensor 6a and a sensor 6b in sequence along the moving direction of a transformer on a station of the marking machine 2, the sensor 6a is configured to sense a certain number of transformers and is in communication connection with the pneumatic clamping hand 3a and the marking conveying line 1, and the sensor 6b is configured to sense the flowing of the last transformer out of the marking station and is in communication connection with the pneumatic clamping hand 3a, the telescopic cylinder 4a and the marking conveying line 1.

Secondary soldering tin device includes soldering tin sign indicating number stockline 7 and warded off tin machine 8, the feed end of soldering tin sign indicating number stockline 7 inserts the discharge end of marking transfer chain 1, it is used for moving into the transport mechanism 9 of moving out again behind the automatic transformer of a certain amount that is used for on the soldering tin sign indicating number stockline 1 of warding off tin machine 8 and the secondary soldering tin to be provided with on the machine 8 of warding off tin, the discharge end of soldering tin sign indicating number stockline 7 seals and this end installs the sensor 6c that is used for responding to whether the discharge end has the transformer, install the sensor 6d that is used for responding to whether there is the transformer in the upper reaches of its discharge end on the soldering tin sign indicating number stockline 7, sensor 6c and sensor 6d all with soldering tin sign. The secondary soldering device further comprises a first discharging line 10 arranged in parallel with the marking conveying line 1 and the soldering tin stacking line 7 at an interval, the carrying mechanism 9 is configured to be capable of moving back and forth between the soldering tin stacking line 7 and the first discharging line 10, the discharging end of the first discharging line 10 is provided with a turnover material moving mechanism used for automatically carrying a transformer of the first discharging line 10 to an automatic electric performance testing line, the turnover material moving mechanism comprises a turnover air cylinder 11 and a pneumatic clamping hand 3b, the turnover air cylinder 11 drives the pneumatic clamping hand 3b to turn back and forth 180 degrees, a sensor 6e used for detecting whether the transformer is arranged on the first discharging line 10 is installed at the discharging end of the first discharging line 10, and a sensor 6f used for detecting whether the transformer is arranged at the position is arranged on the first discharging line 10 at the upstream of the sensor 6 e.

The automatic electrical property test line is sequentially provided with a conveying channel 12, a first steel plate channel 13, a bakelite plate channel 14 and a second steel plate channel 15 according to the flowing direction of a transformer, one side of the discharge end of the conveying channel 12 is sequentially provided with a telescopic cylinder 4b, a sensor 6g, a sensor 6h and a telescopic cylinder 4c at intervals along the moving direction of the transformer, the end parts of piston rods of the telescopic cylinder 4b and the telescopic cylinder 4c are provided with a stop block 5, the stop block 5 extends into or leaves the conveying channel 12 under the driving of a corresponding cylinder, so as to block the transformer on the conveying channel 12, the telescopic cylinder 4b is used for blocking the upstream transformer from flowing into the direction of the sensor 6g, the sensor 6g and the sensor 6h are both configured to detect whether the transformer exists on the conveying channel 12, and the telescopic cylinder 4c is used for blocking the upstream transformer from flowing into the first steel plate channel 13. The other side of the discharge end of conveying channel 12 is provided with telescopic cylinder 4d that can stretch out and draw back along transformer flow direction, and telescopic cylinder 4 d's drive end interval is provided with two cylinders that can stretch out and draw back along perpendicular to transformer flow direction, is telescopic cylinder 4e and telescopic cylinder 4f respectively, and the drive end of two cylinders all is provided with pneumatic tong 3 c.

One side of the first steel plate channel 13 is provided with a telescopic cylinder 4g which is arranged at the same side of the telescopic cylinder 4c, the driving end of the telescopic cylinder 4g is provided with a telescopic cylinder 4h which can be stretched and contracted along the direction vertical to the flowing direction of the transformer, the driving end of the telescopic cylinder 4h is provided with two pneumatic clamping hands 3d at intervals, the telescopic cylinder 4g drives the telescopic cylinder 4h to the position corresponding to the first steel plate channel 13 or the bakelite plate channel 14, one side of the bakelite plate channel 14 is provided with a telescopic cylinder 4i which is arranged at the same side of the telescopic cylinder 4d, the driving end of the telescopic cylinder 4i is provided with a telescopic cylinder 4j which can be stretched and contracted along the direction vertical to the flowing direction of the transformer, the driving end of the telescopic cylinder 4j is provided with two pneumatic clamping hands 3e at intervals, the telescopic cylinder 4i drives the telescopic cylinder 4j to the position corresponding to the bakelite plate channel 14, the lifting base plate 16 is connected with a lifting cylinder 17 for driving the lifting base plate to lift, and a probe for detecting electrical property is arranged at the bottom of the lifting base plate 16.

A defective product outflow channel 18 is arranged on one side of the second steel plate channel 15, and a defective product rejection cylinder 19 used for pushing a defective product into the defective product outflow channel 18 is arranged on the two pneumatic clamping hands 3e matched with the defective product outflow channel 18 on the telescopic cylinder 4 j. The discharging end of the second steel plate channel 15 is also provided with a switching conveying line 20 for automatically discharging qualified products, and the transformer subjected to electrical property test is automatically conveyed to an automatic insulation property testing line through the switching conveying line 20.

Insulating properties automatic testing arrangement includes insulation test transfer chain 21, insulation test transfer chain 21's feed end is provided with telescopic cylinder 4k, the discharge end interval is provided with telescopic cylinder 4L and telescopic cylinder 4m, telescopic cylinder 4k, dog 5 is all installed to telescopic cylinder 4L and telescopic cylinder 4 m's piston rod tip, the corresponding cylinder drive dog 5 that blocks stretches into or leaves insulation test transfer chain 21, temporarily stop to the transformer on insulation test transfer chain 21 in order to realize, be provided with the sensor 6i that is close to telescopic cylinder 4k and the sensor 6j that is close to telescopic cylinder 4L between telescopic cylinder 4k and the telescopic cylinder 4L respectively, sensor 6i and sensor 6j all are configured to whether have the transformer on the insulation test transfer chain 21 that detects this department.

The outer side of the insulation test conveying line 21 is provided with a telescopic cylinder 4n capable of stretching along the transformer flowing direction, the driving end of the telescopic cylinder 4n is provided with a telescopic cylinder 4o stretching along the direction perpendicular to the transformer flowing direction, the end part of the telescopic cylinder 4o is provided with a first material transferring fork 22 used for transferring a certain number of transformers, the discharge end of the insulation test conveying line 21 is provided with two transshipment channels 23 in parallel, the two transshipment channels 23 are connected with a channel switching cylinder 24 stretching along the direction perpendicular to the transformer flowing direction, the channel switching cylinder 24 drives one of the two transshipment channels 23 to be butted with the discharge end of the insulation test conveying line 21, the outer side of the transshipment channel 23 is provided with a telescopic cylinder 4p capable of stretching along the transformer flowing direction and located at the opposite side of the telescopic cylinder 4n, the end part of the telescopic cylinder 4p is provided with a telescopic cylinder 4q stretching along, the end of the telescopic cylinder 4q is provided with a second material moving fork 26 for transferring a certain number of transformers on the transfer channel 23 to two rear-section parallel test channels 25, a lifting substrate 16 is arranged above the test channels 25, the lifting substrate 16 is connected with a lifting cylinder 17 for driving the lifting substrate to lift, and the bottom of the lifting substrate 16 is provided with a probe for detecting the insulating property.

The outside of test passageway 25 is provided with can follow the flexible telescopic cylinder 4r that just is located telescopic cylinder 4n homonymy of transformer flow direction, and telescopic cylinder 4 r's tip is provided with along the flexible telescopic cylinder 4s of perpendicular to transformer flow direction, and telescopic cylinder 4 s's tip is provided with and is used for shifting the third of a certain quantity of transformers on two test passageways 25 to material shifting fork 28 on second discharging line 27, and second discharging line 27 cooperates two test passageways 25 to be provided with two discharging channel.

Each cylinder is provided with a sensor for signal transmission, and the sensors are communicated with a controller to control the cooperative action.

When the marking machine works, workers only need to correct feet of products after paint dipping or glue pouring and then put feet of the products into the marking conveyor line 1 downwards, the first procedure is label marking, the telescopic cylinder 4a is a transformer on the marking conveyor line 1 which is blocked by the stop block 5 in an extending state, when a certain amount of products flow in, the sensor 6a senses the products and transmits signals to the controller to control the pneumatic clamp 3a to close the transformer clamped at the position, the operation of marking transfer chain 1 is beaten in order to stop the product at the back and continue to flow in simultaneously to the closing, marking machine 2 begins work, can give the controller signal transmission after beating the mark completion, controller control telescopic cylinder 4a withdrawal, the product continues down flow, last product flows through sensor 6b, sensor 6b senses no product after signal transmission controller, controller control telescopic cylinder 4a and pneumatic clamp 3a reset and open and beat mark transfer chain 1 and let the product flow in and beat the mark passageway.

Beat the product that mark was accomplished and flow into soldering tin sign indicating number stockline 7, when the product accumulates sensor 6d department, sensor 6d response back, pass to the controller and close soldering tin sign indicating number stockline 7 and prevent that the product from piling up, start simultaneously transport mechanism 9 and press from both sides the product and get and carry out secondary soldering tin in the tin-lined machine 8, the product is grabbed away back sensor 6c by transport mechanism 9 and is sensed no product, signal transmission opens soldering tin sign indicating number stockline 7 for the controller and lets the product continue to flow into soldering tin passageway. After tin soldering of the tin enameling machine 8 is finished, products are placed on the first discharging line 10 through the carrying mechanism 9, the products are conveyed to the sensor 6e, the sensor 6e senses the products and transmits signals to the controller, the turning cylinder 11 is started to clamp and turn 180 degrees to enable product pins to be upwards conveyed to the conveying channel 12 through the pneumatic clamp 3b to clamp one product at the discharging end of the first discharging line 10. When the products are too much to reverse and the products are accumulated in the sensor 6f, the sensor 6f transmits a signal to the controller to shut down the operation of the tin enameling machine 8 and the conveying mechanism 9 so as to prevent the products from being stacked.

On the transformer of beating mark and secondary soldering tin process forwarded transfer to transfer passage 12 through upset cylinder 11, telescopic cylinder 4c was for stretching out the state that blocks the assembly line this moment, when the product flowed into sensor 6h department, and the product can be sensed to sensor 6 h. The sensor 6h transmits a signal to the controller which retracts the telescopic cylinder 4c and extends the telescopic cylinder 4b, blocking the inflow of the subsequent product. Telescopic cylinder 4b stretches out back telescopic cylinder 4e and can stretch out and hold the product, stretches out through telescopic cylinder 4d and pushes away the fork position that telescopic cylinder 4f that corresponds on first steel sheet passageway 13 to first product, and the product propelling movement back that targets in place, telescopic cylinder 4e and telescopic cylinder 4d withdrawal reset. The sensor 6g can not respond to the product when the telescopic cylinder 4e forks away the product, the telescopic cylinder 4c extends out through the controller, and the telescopic cylinder 4b retracts to enable the production line product to flow in. When the product flows in again, the telescopic cylinder 4e and the telescopic cylinder 4f extend simultaneously, the telescopic cylinder 4f forks the product pushed by the telescopic cylinder 4e for the first time, the telescopic cylinder 4e forks the product released by the telescopic cylinder 4b for the second time, the telescopic cylinder 4d extends again to push the product to the first steel plate channel 13, the product is pushed to a shifting fork corresponding to the telescopic cylinder 4h and then is reset to retract to the telescopic cylinder 4d, the telescopic cylinder 4e and the telescopic cylinder 4f, at this time, the first steel plate channel 13 has 2 products, the telescopic cylinder 4h extends to fork 2 products, the product is moved to the position of the bakelite plate channel 14 through the telescopic cylinder 4g, the lifting cylinder 17 is pressed down after the product is in place, a probe with a corresponding product test point on the lifting substrate 16 is arranged at the bottom of the cylinder, the probe is connected to a product performance test device, the probe contacts the product on the test point corresponding to the bakelite plate channel after the lifting cylinder 17 is pressed down, simultaneously telescopic cylinder 4h and telescopic cylinder 4g reset, and lift cylinder 17 rises to reset after the test is accomplished, and telescopic cylinder 4j stretches out simultaneously and holds two tested products, removes two products to second steel sheet passageway 15 through contracting telescopic cylinder 4i, and defective products are rejected cylinder 19 and can be pushed to defective products outflow channel 18 to the test is bad when the test has defective products. When the telescopic cylinder 4i pushes the product to the second steel plate channel 15 again, the outer edge of the shifting fork of one of the pneumatic grippers 3e brings the qualified test product which is stopped in the second steel plate channel 15 into the transfer conveying line 20. The products are automatically transferred to the insulation test transfer line 21 through the transfer line 20.

When a transformer which is detected by electrical property flows to the insulation test conveying line 21, the telescopic cylinder 4L and the telescopic cylinder 4m at the tail end of the insulation test conveying line 21 are in an extending state to block the insulation test conveying line 21, when products on the insulation test conveying line 21 are accumulated to the sensor 6i, the sensor 6i transmits a signal to the controller to control the insulation test conveying line 21 to be stopped, the telescopic cylinder 4k is extended to block subsequent products from continuously flowing in, the telescopic cylinder 4L is retracted, after the telescopic cylinder 4L is retracted, the insulation test conveying line 21 is started, the products are transmitted to the telescopic cylinder 4m, the last product on the insulation test conveying line 21 exceeds the sensor 6i, the sensor 6i cannot sense the products, the signal is transmitted to the controller, the controller stops the insulation test conveying line 21 and retracts to the telescopic cylinder 4m, and after the telescopic cylinder 4m is retracted, telescopic cylinder 4o stretches out and crosses a plurality of product on the insulating test transfer chain 21 through first material fork 22 that moves, then telescopic cylinder 4n stretches out, convey the product to one of them transshipment passageway 23 on, when insulating test transfer chain 21 product by the back of forking away, sensor 6i and sensor 6j can not respond to the product, telescopic cylinder 4L and telescopic cylinder 4m reset and stretch out insulating test transfer chain 21, retract telescopic cylinder 4k simultaneously and open insulating test transfer chain 21, let the product continue to flow in. When the telescopic cylinder 4n is reset, the channel switching cylinder 24 extends out to push the other transfer channel 23 to the channel corresponding to the insulation test conveying line 21. When the product on the insulation test conveyor line 21 again reaches the sensor 6i, the cylinder sensors repeat the previous action, except that a second action will feed the product into another transfer channel 23.

The product in the two transshipment channels 23 is forked by the second material moving fork 26 after the telescopic cylinder 4q extends out of the two transshipment channels 23, the product is conveyed to the two test channels 25 by the contraction telescopic cylinder 4p, the lifting cylinder 17 presses down after the product is in place, a probe with a corresponding product test point on the lifting substrate 16 is installed at the bottom of the cylinder and is connected to high-voltage test equipment for testing the insulativity of the product, the probe contacts the product of the test point on the corresponding bakelite plate channel to test after the lifting cylinder 17 presses down, and the channel switching cylinder 24, the telescopic cylinder 4p and the telescopic cylinder 4q reset at the same time. After the test is finished, the lifting cylinder 17 rises to reset, the telescopic cylinder 4s extends out to fork the tested product, the product is conveyed to two channels on the second discharging line 27 through the telescopic cylinder 4r, the telescopic cylinder 4s and the telescopic cylinder 4r reset after the product is in place, and finally the tested transformer product is automatically output through the second discharging line 27.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. An automatic test wire for transformer is composed of automatic marking and secondary soldering wires, automatic electric performance test wire and automatic insulating performance test wire,

2. The automatic testing line of the transformer according to claim 1, wherein a first blocking component for blocking upstream products from entering a marking station during marking, a marking machine for marking the products and a second blocking component for blocking the products and enabling a certain amount of products to flow into the marking station are sequentially arranged on the marking conveying line along the moving direction of the products, a sensor a and a sensor b are sequentially arranged on the marking conveying line along the moving direction of the products on the station of the marking machine, the sensor a is configured to sense a certain amount of products and is in communication connection with the first blocking component and the marking conveying line, the sensor b is configured to sense the last product to flow out of the marking station and is in communication connection with the first blocking component, the second blocking component and the marking conveying line, the discharging end of the soldering tin code material line is closed and is provided with a sensor c for sensing whether a product exists at the discharging end or not, and a sensor d used for sensing whether a product exists at the position is arranged at the upstream of the discharging end of the soldering tin stacking line, and the sensor c and the sensor d are in communication connection with the soldering tin stacking line.

3. The automatic test line of the transformer according to claim 1, wherein a third blocking component, a sensor e, a sensor f and a fourth blocking component are sequentially arranged at intervals along the moving direction of the product on the discharging end side of the conveying channel, the third blocking component is configured to block the upstream product from flowing into the direction of the sensor e, the sensor e and the sensor f are both configured to detect whether the product exists at the position, and the fourth blocking component is configured to block the upstream product from flowing into the first steel plate channel.

4. The automatic test line of transformer according to claim 3, characterized in that the first material transferring mechanism comprises a telescopic cylinder a capable of extending and retracting along the product flowing direction, the driving end of the telescopic cylinder a is provided with two telescopic cylinders b capable of extending and retracting along the direction perpendicular to the product flowing direction at intervals, the driving ends of the telescopic cylinders b are provided with pneumatic grippers, the second material transferring mechanism comprises a telescopic cylinder c capable of extending and retracting along the product flowing direction and arranged at the opposite side of the telescopic cylinder a, the driving end of the telescopic cylinder c is provided with a telescopic cylinder d capable of extending and retracting along the direction perpendicular to the product flowing direction, the driving end of the telescopic cylinder d is provided with two pneumatic grippers at intervals, the third material transferring mechanism comprises a telescopic cylinder e capable of extending and retracting along the product flowing direction and arranged at the same side of the telescopic cylinder a, the driving end of the telescopic cylinder e is provided with a telescopic cylinder f capable of extending and retracting along the direction perpendicular to the product flowing direction, and the driving end of the telescopic cylinder f is provided with two pneumatic clamping hands at intervals.

5. The automatic test line of the transformer according to claim 1, wherein a front blocking part is arranged at a feeding end of the insulation test conveying line, a first rear blocking part and a second rear blocking part are arranged at a discharging end of the insulation test conveying line at intervals, and a sensor g close to the front blocking part and a sensor h close to the first rear blocking part are respectively arranged between the first rear blocking part and the front blocking part.

6. The automatic test line of transformer according to claim 5, characterized in that the fourth material transferring mechanism comprises a telescopic cylinder g capable of telescoping along the product flowing direction, the driving end of the telescopic cylinder g is provided with a telescopic cylinder h telescoping along the direction perpendicular to the product flowing direction, the end of the telescopic cylinder h is provided with a first material transferring fork for transferring a certain amount of products, the fifth material transferring mechanism comprises a telescopic cylinder i telescoping along the product flowing direction and located at the opposite side of the telescopic cylinder g, the end of the telescopic cylinder i is provided with a telescopic cylinder j telescoping along the direction perpendicular to the product flowing direction, the end of the telescopic cylinder j is provided with a second material transferring fork for transferring a certain amount of products on the transferring channel to the rear section test channel, the sixth material transferring mechanism comprises a telescopic cylinder k telescoping along the product flowing direction and located at the same side of the telescopic cylinder g, the end part of the telescopic cylinder k is provided with a telescopic cylinder l which is telescopic along the direction perpendicular to the product flowing direction, and the end part of the telescopic cylinder l is provided with a third material moving fork which is used for transferring a certain number of transformers on the test channel to the second material outlet line.

7. The automatic testing line for the transformers according to claim 1, wherein a sensor i for detecting whether products exist on the first discharging line is installed at the discharging end of the first discharging line, a sensor j for detecting whether products exist at the position is arranged on the first discharging line at the upstream of the sensor i, the overturning and material moving mechanism comprises an overturning air cylinder and a pneumatic clamping hand, the pneumatic clamping hand clamps the products on the first discharging line, and the overturning air cylinder drives the pneumatic clamping hand to overturn for 180 degrees to place the products at the feeding end of the conveying channel.

8. The automatic test line of transformer according to claim 4, characterized in that one side of the second steel plate channel is provided with a defective product outflow channel, and a defective product rejecting cylinder for pushing the defective product into the defective product outflow channel is installed on two pneumatic clamps on the telescopic cylinder f in cooperation with the defective product outflow channel.

9. The automatic transformer test line according to claim 1, wherein two transfer channels are arranged side by side, and the transfer channels are connected with channel switching cylinders which extend and retract along a direction perpendicular to a product flowing direction, the channel switching cylinders drive one of the two transfer channels to be in butt joint with the discharge end of the insulation test conveying line, the two test channels are arranged side by side in cooperation with the transfer channels, and the two discharge channels are arranged side by side on the second discharge line.