CN203236107U - One-body medium-frequency suspension spot welding machine - Google Patents
One-body medium-frequency suspension spot welding machine Download PDFInfo
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- CN203236107U CN203236107U CN 201320140795 CN201320140795U CN203236107U CN 203236107 U CN203236107 U CN 203236107U CN 201320140795 CN201320140795 CN 201320140795 CN 201320140795 U CN201320140795 U CN 201320140795U CN 203236107 U CN203236107 U CN 203236107U
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- controller
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Abstract
The utility model discloses a one-body medium-frequency suspension spot welding machine, which comprises a controller, a suspension medium-frequency transformer and welding tongs, wherein the controller is connected with the suspension medium-frequency transformer through a YC type cable, and is hung on a slide rail pulley integrally; the input end of the controller is connected with a three-phase working power supply; and the suspension medium-frequency transformer is connected with the welding tongs through a sensing water cable. According to the one-body medium-frequency suspension spot welding machine, the problems of complex structure, high cost and large size of a resistance welding machine in the prior art are solved; the transformer and the controller are hung integrally, so that the size and the weight of the transformer are reduced; and moreover, the entire equipment is simple in structure, is low in maintenance cost, and is flexible and convenient for operating.
Description
Technical field
The utility model has related to a kind of consubstantiality formula intermediate frequency hitch point welding machine, belongs to the electric resistance welding equipment technical field.
Background technology
Now widely used AC resistance welding machine is that controller and transformer are made consubstantiality formula structure, and soldering turret is separated, and soldering turret voltage is less than 36V, and to operator safety, and welding tong structure is simple, and is lightweight, and flexible operation is easy to safeguard.But this welding machine, transformer is power frequency, volume is large, weight is 200KG approximately, because the transformer output AC, electric current has amperes up to ten thousand, cause the loss of voltage on the welding cable very large, the cable between transformer and the soldering turret needs noninductive Water cooling cable, and this cable renewal cost is high.The welding current fluctuation is large, and easily produce and splash, Winding Single Phase Capacitance, the welder power factor is low to be only had about 0.6.
The structure of medium-frequency resistance welding machine is that intermediate-frequency transformer and soldering turret are made of one the formula structure at present, and controller separates with transformer and soldering turret, and the problem of this welding machine is: primary voltage is 500V, and the operator has Danger Electric shock risk; It is large that transformer and soldering turret are made of one the formula construction weight, malfunction; Complex structure easily damages, and maintenance cost is high.
The utility model content
Technical problem to be solved in the utility model provides a kind of consubstantiality formula intermediate frequency hitch point welding machine, by with transformer and controller integral hoisting, has dwindled the volume and weight of transformer, and whole equipment is simple in structure, and maintenance cost is low, flexible and convenient operation.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of consubstantiality formula intermediate frequency hitch point welding machine, comprise controller, suspension type intermediate-frequency transformer and soldering turret, described controller is connected by YC type cable with the suspension type intermediate-frequency transformer, and integral hoisting is on the slide rail coaster, and the input of described controller connects the three-phase working power; Described suspension type intermediate-frequency transformer is connected with described soldering turret by induction water-through cable.
Aforesaid consubstantiality formula intermediate frequency hitch point welding machine is characterized in that: described controller comprises input rectifying bridge, the filter capacitor component that connects successively, bridge inverter main circuit, transformer, workpiece, main control unit; Be connected with driver element between described main control unit and the bridge inverter main circuit, also be connected with teach box on the described main control unit.
Aforesaid consubstantiality formula intermediate frequency hitch point welding machine is characterized in that: be connected with the first current transformer and the second current transformer between the analog input end of described main control unit and the input of transformer T.
Aforesaid consubstantiality formula intermediate frequency hitch point welding machine, it is characterized in that: also be connected with auxiliary control circuit on the digital output end of described main control unit, described auxiliary control circuit comprises the first contactor and the second contactor, and the normally-closed contact of described the first contactor and the discharge resistance in the filter capacitor component are in series; The output of described input rectifying bridge is connected with current-limiting resistance, and the normally opened contact of described the first contactor is in parallel with described current-limiting resistance.
Aforesaid consubstantiality formula intermediate frequency hitch point welding machine is characterized in that: described input rectifying bridge U isolating switch is connected with the three-phase working power, also is connected with filter capacitor and piezo-resistance assembly between described isolating switch and the input rectifying bridge in turn.
Aforesaid consubstantiality formula intermediate frequency hitch point welding machine, it is characterized in that: described soldering turret is split type soldering turret.
The beneficial effects of the utility model are:
1, the utility model adopts transformer and controller consubstantiality formula structure, integral hoisting, and soldering turret is split type soldering turret, secondary cable is induction water-through cable, this equipment had both had the good advantage of welding quality of intermediate-frequency welding machine, had again the low advantage of consubstantiality formula AC welding set cost, was fit to Spread in China;
2. the utility model direct current output welding can improve the thermal efficiency, eliminates current spike, the processing range of broadening welding current, thus make welding process steady. attractive in appearance without the solder joint that splashes. high conformity, improved the welding quality in the batch production greatly;
3. the utility model has improved the response speed of Current Control, can realize accurate control, output current frequency is 1 kHz, and the response time of Current Control is that 1ms. is 20 times of common power frequency AC welding set Current Control response speed, can realize that electric current controls in real time;
4. the utility model has been realized the miniaturization of welding transformer, the long-pending frequency with input voltage of the core section of welding transformer is inversely proportional to, the core section that the input of 1kHz voltage of intermediate frequency can reduce welding transformer amasss, thereby the volume of welding transformer and quality are reduced.
Description of drawings
Fig. 1 is the structural representation of the utility model consubstantiality formula intermediate frequency hitch point welding machine;
Fig. 2 is the circuit connection diagram of the controller of the utility model consubstantiality formula intermediate frequency hitch point welding machine.
The specific embodiment
Below in conjunction with Figure of description, the utility model is further described.
As depicted in figs. 1 and 2, a kind of consubstantiality formula intermediate frequency hitch point welding machine, comprise controller, suspension type intermediate-frequency transformer and soldering turret, described controller is connected by YC type cable with the suspension type intermediate-frequency transformer, and integral hoisting is on slide rail coaster 10, and the input of described controller connects three-phase working power 20; Described suspension type intermediate-frequency transformer is connected with described soldering turret by induction water-through cable.
Welding transformer adopts intermediate-frequency transformer, and iron core adopts the thick cold rolling orientation silicon steel sheet that has of 0.2mm, and secondary need carry out rectification with high-power high density rectifying tube, and secondary loop and rectifying part adopt the water cooling method of optimal design.Adopt YC type cable to connect between transformer and the controller.Transformer and controller integral hoisting are compared with the power frequency welding equipment, and the volume and weight of transformer only has 1/4 of Same Efficieney, and the requirement of suspender is reduced.Secondary output cable adopts common induction water-through cable, is easy to change, and price is low.Soldering turret is split type soldering turret, and maintenance cost is low, operates very flexible.
Controller comprises input rectifying bridge U, the filter capacitor component 1 that connects successively, bridge inverter main circuit 2, transformer T, workpiece, main control unit; Be connected with driver element between described main control unit and the bridge inverter main circuit 2, also be connected with teach box on the described main control unit.
Bridge inverter main circuit 2 output high-frequency pulsed width modulation ripples are to transformer T; Transformer T output suitable amplitude voltage obtains DC voltage after commutation diode D1 and D2 rectification, input to workpiece; Main control unit output pwm pulse ripple is to driver element; The output of driver element links to each other with bridge inverter main circuit 2; To main control unit, the demonstration data of simultaneously teach box reception main control unit output show by teach box input control parameter.
Be connected with the first current transformer L1 and the second current transformer L2 between the analog input end of described main control unit and the input of transformer T.Realization is to the collection of current parameters in the operating circuit.Whether current transformer L1, L2 Real-Time Monitoring circuit input and output electric current be in prescribed limit.
Also be connected with auxiliary control circuit on the digital output end of main control unit, described auxiliary control circuit comprises the first contactor K2 and the second contactor K3, and the discharge resistance R2 in the normally-closed contact of described the first contactor K2 and the filter capacitor component 1 is in series; The output of described input rectifying bridge U is connected with current-limiting resistance R1, and the normally opened contact of described the first contactor K2 is in parallel with described current-limiting resistance R1.Bleed off fast by the second resistance R 2 at the energy of shutting down or make during the holding circuit action the first filter capacitor C1 in the filter capacitor component 2 and the second filter capacitor C2 to store, in order to avoid the energy of the first filter capacitor C1 and the upper accumulation of the second filter capacitor C2 also not discharge when maintenance or power down.When system starts, lentamente the first filter capacitor C1 and the second filter capacitor C2 are charged by current-limiting resistance R1, when preventing from directly starting because the upper initial voltage of the first filter capacitor C1 and the second filter capacitor C2 is zero, cause the input rectifying bridge module to bear excessive rush of current and damage, when the voltage on the first filter capacitor C1 and the second filter capacitor C2 is charged to certain value, the 1st contactor K1 action, its contact is with current-limiting resistance R1 short circuit.
Input rectifying bridge U isolating switch Q is connected with the three-phase working power, also is connected with filter capacitor 4 and piezo-resistance assembly 3 in turn between described isolating switch Q and the input rectifying bridge U, the overvoltage of the working power that realizes releasing, protection circuitry.
A kind of consubstantiality formula intermediate frequency hitch point welding machine of providing of utility model by with transformer and controller integral hoisting, has dwindled the volume and weight of transformer in sum, and whole equipment is simple in structure, and maintenance cost is low, flexible and convenient operation.
Basic principle of the present utility model, principal character and advantage have more than been described.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is by appending claims and equivalent circle thereof.
Claims (6)
1. consubstantiality formula intermediate frequency hitch point welding machine, it is characterized in that: comprise controller, suspension type intermediate-frequency transformer and soldering turret, described controller is connected by YC type cable with the suspension type intermediate-frequency transformer, and integral hoisting is on slide rail coaster (10), and the input of described controller connects three-phase working power (20); Described suspension type intermediate-frequency transformer is connected with described soldering turret by induction water-through cable.
2. consubstantiality formula intermediate frequency hitch point welding machine according to claim 1 is characterized in that: described controller comprises input rectifying bridge U, the filter capacitor component (1) that connects successively, bridge inverter main circuit (2), transformer T, workpiece, main control unit; Described main control unit and bridge inverter main circuit are connected with driver element between (2), also are connected with teach box on the described main control unit.
3. consubstantiality formula intermediate frequency hitch point welding machine according to claim 2 is characterized in that: be connected with the first current transformer L1 and the second current transformer L2 between the analog input end of described main control unit and the input of transformer T.
4. according to claim 2 or 3 described consubstantiality formula intermediate frequency hitch point welding machines, it is characterized in that: also be connected with auxiliary control circuit on the digital output end of described main control unit, described auxiliary control circuit comprises the first contactor K2 and the second contactor K3, and the discharge resistance R2 in the normally-closed contact of described the first contactor K2 and the filter capacitor component (1) is in series; The output of described input rectifying bridge U is connected with current-limiting resistance R1, and the normally opened contact of described the first contactor K2 is in parallel with described current-limiting resistance R1.
5. consubstantiality formula intermediate frequency hitch point welding machine according to claim 4, it is characterized in that: described input rectifying bridge U isolating switch Q is connected with the three-phase working power, also is connected with filter capacitor (4) and piezo-resistance assembly (3) between described isolating switch Q and the input rectifying bridge U in turn.
6. consubstantiality formula intermediate frequency hitch point welding machine according to claim 5, it is characterized in that: described soldering turret is split type soldering turret.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320140795 CN203236107U (en) | 2013-03-26 | 2013-03-26 | One-body medium-frequency suspension spot welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320140795 CN203236107U (en) | 2013-03-26 | 2013-03-26 | One-body medium-frequency suspension spot welding machine |
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| Publication Number | Publication Date |
|---|---|
| CN203236107U true CN203236107U (en) | 2013-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320140795 Expired - Fee Related CN203236107U (en) | 2013-03-26 | 2013-03-26 | One-body medium-frequency suspension spot welding machine |
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| CN (1) | CN203236107U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934602A (en) * | 2014-05-08 | 2014-07-23 | 苏州皇森机电科技有限公司 | Control structure of suspended type spot welding machine |
-
2013
- 2013-03-26 CN CN 201320140795 patent/CN203236107U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934602A (en) * | 2014-05-08 | 2014-07-23 | 苏州皇森机电科技有限公司 | Control structure of suspended type spot welding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: YIWU ZHONGKE MECHANICAL EQUIPMENT CO., LTD. Free format text: FORMER OWNER: SUZHOU YUANXIN OPTICAL MECHANICAL ELETRIC TECHNOLOGY CO., LTD. Effective date: 20140916 Owner name: SHENYANG AUTOMATION RESEARCH INSTITUTE YIWU CENTER Effective date: 20140916 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 215000 SUZHOU, JIANGSU PROVINCE TO: 322000 JINHUA, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140916 Address after: 322000, Zhejiang, Yiwu Province, No. 968 Xuefeng West Road, Beiyuan science and Technology Pioneer Park Science and technology building, A District, the first floor Patentee after: Yiwu Zhongke Electromechanical Equipment Co., Ltd. Patentee after: YIWU CENTER, SHENYANG INSTITUTE OF AUTOMATION CHINESE ACADEMY OF SCIENCES Patentee after: Shen Yang Automation Inst., Chinese Academy of Sciences Address before: 1 Building No. 625, Binhe Road, 215000 hi tech Zone, Jiangsu, Suzhou, 510 Patentee before: Suzhou Yuanxin Electromechanical Science & Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20210326 |