CN214291358U - Medium-frequency double-point projection welding machine - Google Patents
Medium-frequency double-point projection welding machine Download PDFInfo
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- CN214291358U CN214291358U CN202023098573.2U CN202023098573U CN214291358U CN 214291358 U CN214291358 U CN 214291358U CN 202023098573 U CN202023098573 U CN 202023098573U CN 214291358 U CN214291358 U CN 214291358U
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Abstract
The utility model provides a two spot projection welding machines of intermediate frequency, include: the welding machine comprises a rack, wherein two working arm systems are arranged on the rack, a first control switch and a second control switch are respectively arranged at the bottom of the rack, and a control box and a welding transformer are arranged in the rack; the working arm system comprises a welding cylinder, an electromagnetic valve and a working arm; the electromagnetic valve is electrically connected with the welding cylinder, and the welding cylinder is fixedly connected with the working arm; the first control switch, the second control switch, the welding transformer and each electromagnetic valve are respectively electrically connected with the control box; the output end of the welding transformer is electrically connected with the electrodes on the end heads of the working arms respectively. The utility model adds a set of working arm system, and the two sets of working arm systems share a control box and a welding transformer, thereby greatly reducing the purchase cost of the welding machine for customers; in addition, two sets of working arm systems are independently controlled by two control switches, welding requirements of two working conditions of the same workpiece can be met, the use process is convenient and efficient to switch, and good economic benefits and social benefits are achieved.
Description
Technical Field
The utility model relates to a metal cutting and welding equipment make technical field, especially relate to a two spot projection welding machines of intermediate frequency.
Background
The projection welding machine adopts pneumatic pressurization and bearing guide. The welding program is automatically controlled by a microcomputer control box. The method has the characteristics of accurate control of welding points and good electrode following property, and is widely applied to multi-point projection welding and spot welding of mechanical parts such as automobile parts and the like.
Referring to fig. 1-3, the conventional medium frequency projection welding machine includes a set of working arm system, a set of control system and a set of welding transformer, and specifically includes: the welding system comprises a working arm system 1, a first control switch 2, a control box 3 and a welding transformer 4.
Referring to fig. 3, the working arm system 1 includes a welding cylinder 101, an electromagnetic valve 102, and a working arm 103; an upper electrode 1031 and a lower electrode 1032 are arranged on two ends of the working arm 103, and the two ends of the working arm are contacted with each other to form a welding point 1033 during spot welding.
The first control switch 2, the electromagnetic valve 102 and the welding transformer 4 are respectively electrically connected with the control box 3; the solenoid valve 102 is also electrically connected with the welding cylinder 101; the welding cylinder 101 is connected to the work arm 103, and drives the work arm 103 to move in the vertical direction.
During actual use, a user places an article to be welded at the welding point 1033, presses the first control switch 2, and the control box 3 receives a switch-on signal transmitted by the first control switch 2, outputs a control signal to the electromagnetic valve 102, drives the welding cylinder 101 to act, and drives the working arm 103 to move downwards; in addition, the control box 3 receives the on signal transmitted by the first control switch 2 and outputs a control signal to the welding transformer 4, so as to control the welding transformer 4 to provide a welding arc for the upper electrode 1031 and the lower electrode 1032, thereby welding the object.
The existing medium-frequency projection welding machine only has one set of supporting arm system, one working process can only meet one type of welding requirement, two working conditions on the same workpiece need to be welded on two welding machines respectively, and the corresponding cost is high; or the welding head or the welding arm needs to be replaced after welding is finished under one working condition, the operation is complex, and the service life of the welding machine is also influenced to a certain extent.
SUMMERY OF THE UTILITY MODEL
In view of the above shortcoming of prior art, the utility model aims to provide a two point projection welding machines of intermediate frequency for the intermediate frequency projection welding machine who solves among the prior art only has one set of support arm, leads to the inconvenient problem of operation.
In order to achieve the above objects and other related objects, the utility model provides an intermediate frequency double-point projection welding machine, include: the welding machine comprises a rack, wherein two working arm systems are arranged on the rack, a first control switch and a second control switch are respectively arranged at the bottom of the rack, and a control box and a welding transformer are arranged in the rack; the first control switch corresponds to one working arm system, the second control switch corresponds to the other working arm system, and the first control switch and the second control switch are interlocked;
the working arm system comprises a welding cylinder, an electromagnetic valve and a working arm; the electromagnetic valve is electrically connected with the welding cylinder, and the welding cylinder is fixedly connected with the working arm, wherein the welding cylinder can drive the working arm to move up and down in the vertical direction;
the first control switch, the second control switch, the welding transformer and each electromagnetic valve are respectively electrically connected with the control box;
and the output end of the welding transformer is electrically connected with the electrodes on the end heads of the working arms respectively.
In an embodiment of the present invention, the first control switch and the second control switch are control pedals.
In an embodiment of the present invention, two of the control pedals are electrically interlocked with each other.
In an embodiment of the present invention, the electrode at the end of the working arm is replaceable.
In an embodiment of the present invention, the power supply further includes a power module; the input end of the power supply module is connected with an external 380V alternating current power supply, and the output end of the power supply module provides a working power supply for the medium-frequency double-point projection welding machine.
In an embodiment of the present invention, two of the working arm systems are symmetrically disposed in the frame.
As the above, the utility model discloses a two spot projection welding machines of intermediate frequency has following beneficial effect: on the basis of the existing medium-frequency projection welding machine, a set of working arm system is added on the same rack, and the two sets of working arm systems share a control box and a welding transformer, so that the purchase cost of a client welding machine can be greatly reduced; in addition, the two sets of working arm systems are independently controlled by the two control switches, so that the welding requirements of two working conditions of the same workpiece can be met, and the switching in the use process is convenient and efficient; and the two control switches are interlocked, so that misoperation can be effectively prevented. The utility model relates to a rationally, easy operation, safe and reliable can effectively improve work efficiency, has better economic benefits and social.
Drawings
Fig. 1 is a schematic front view of a medium frequency projection welding machine disclosed in the prior art.
Fig. 2 is a right side view of fig. 1.
Fig. 3 is a schematic electrical diagram of fig. 1.
Fig. 4 is a schematic front structural view of the intermediate frequency double-spot projection welding machine disclosed in the embodiment of the present invention.
Fig. 5 is shown as a right side view of fig. 4.
Fig. 6 is an electrical schematic of the structure of fig. 4.
Element number description:
1-a work arm system; 2-a first control switch; 3-a control box; 4-welding the transformer; 5-a second control switch;
101-a welding cylinder; 102-a solenoid valve; 103-a working arm; 1031-upper electrode; 1032-a lower electrode; 1033-solder points.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and only the components related to the present invention are shown in the drawings rather than being drawn according to the number, shape and size of the components in actual implementation, and the form, amount and ratio of the components in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated.
Referring to fig. 5, the present invention provides an intermediate frequency double-spot projection welding machine, which includes: the frame is provided with two working arm systems 1.
Referring to fig. 4, in the present embodiment, two working arm systems 1 are symmetrically disposed on a frame. By adopting the scheme, the welding operation of two working conditions of the same workpiece can be realized.
It should be noted that, in practical applications, the positions of the two working arm systems on the frame may be set as required, and are not described herein again.
The bottom of frame is equipped with first control switch 2 and second control switch 5 respectively, is equipped with control box 3 and welding transformer 4 in the frame. Wherein, through setting up the relation of connection of control box 3 and first control switch 2 and second control switch 5, can make first control switch 2 correspond to an operation arm system 1, and second control switch 5 corresponds to another operation arm system 1. With this arrangement, the two work arm systems can be independently controlled by the first control switch and the second control switch, wherein the two control switches are interlocked.
Two work arm systems share a control box and a welding transformer, and when two kinds of operating mode welding demands of the same work piece are met, the use process is switched to be convenient and efficient, and the purchase cost of a customer welding machine can be greatly reduced.
Referring to fig. 6, the working arm system 1 includes a welding cylinder 101, an electromagnetic valve 102, and a working arm 103; the electromagnetic valve 102 is electrically connected with the welding cylinder 101, the welding cylinder 101 is fixedly connected with the working arm 103, and the welding cylinder 101 can drive the working arm 103 to move up and down in the vertical direction.
The first control switch 2, the second control switch 5, the welding transformer 4 and each electromagnetic valve 102 are respectively electrically connected with the control box 3; in this embodiment, the control box 3 is a PLC controller of the type SIEMENS S7-1200.
An upper electrode 1031 and a lower electrode 1032 are arranged on two ends of the working arm 103, and the two ends of the working arm 103 are contacted with each other to form a welding point 1033 during spot welding; the output terminals of the welding transformer 4 are electrically connected to the upper electrode 1031 and the lower electrode 1032 of the two working arms 103, respectively. Wherein the electrodes at the ends of the two working arms 103 are replaceable.
It should be noted that, for convenience of operation, the first control switch 2 and the second control switch 5 in this embodiment are both control pedals, and the two control pedals are electrically interlocked, that is, when one control pedal works, a loop of the other control pedal is disconnected, so that misoperation of a person can be effectively prevented. In addition, the control box can be programmed, namely when receiving a switch-on signal transmitted by one control switch, the control box outputs a control signal to the control end of the other control switch to switch off the loop of the other control switch.
The utility model discloses an intermediate frequency double-point projection welding machine, which also comprises a power module; the input end of the power supply module is connected with an external 380V alternating current power supply, and the output end of the power supply module provides a working power supply for the medium-frequency double-point projection welding machine.
In practice, the user places the object to be welded at one of the welding points 1033, for example, presses the first control switch 2, while the second control switch 5 is in the off state and is not operable.
The control box 3 receives a switch-on signal transmitted by the first control switch 2, outputs a control signal to the electromagnetic valve 102, drives the welding cylinder 101 to act, and drives the working arm 103 to move downwards; in addition, the control box 3 receives the on signal transmitted by the first control switch 2 and outputs a control signal to the welding transformer 4, so as to control the welding transformer 4 to provide a welding arc for the upper electrode 1031 and the lower electrode 1032, thereby welding the object.
If another working arm needs to be operated, the operation can be performed only by turning off the first control switch 2 and turning on the second control switch 5, the operation principle is the same as that described above, and the description is omitted here.
By adopting the scheme, when one workpiece needs to be welded with nuts of two different sizes, such as M6 and M8, two projection welding machines are needed for welding in normal operation; or one projection welding machine firstly welds M6 batches, then the electrode is replaced after the welding is finished, and then welding of M8 batches is carried out, so that the operation is complicated, and the efficiency is low. And the utility model discloses an intermediate frequency two-point projection welding machine can install M6 electrode on a work arm, and the M8 electrode of installation on another work arm welds M6 batch and M8 batch on an intermediate frequency two-point projection welding machine, very big improvement work efficiency.
In summary, the utility model discloses an intermediate frequency double-point projection welding machine, on the basis of current intermediate frequency projection welding machine, increased a set of work arm system on same frame, two sets of work arm systems share a control box and welding transformer, can reduce customer's welding machine acquisition cost by a wide margin; in addition, the two sets of working arm systems are independently controlled by the two control switches, so that the welding requirements of two working conditions of the same workpiece can be met, and the switching in the use process is convenient and efficient; and the two control switches are interlocked, so that misoperation can be effectively prevented. The utility model relates to a rationally, easy operation, safe and reliable can effectively improve work efficiency, has better economic benefits and social.
Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (6)
1. The utility model provides an intermediate frequency two spot projection welding machine which characterized in that includes: the welding machine comprises a rack, wherein two working arm systems are arranged on the rack, a first control switch and a second control switch are respectively arranged at the bottom of the rack, and a control box and a welding transformer are arranged in the rack; the first control switch corresponds to one working arm system, the second control switch corresponds to the other working arm system, and the first control switch and the second control switch are interlocked;
the working arm system comprises a welding cylinder, an electromagnetic valve and a working arm; the electromagnetic valve is electrically connected with the welding cylinder, and the welding cylinder is fixedly connected with the working arm, wherein the welding cylinder can drive the working arm to move up and down in the vertical direction;
the first control switch, the second control switch, the welding transformer and each electromagnetic valve are respectively electrically connected with the control box;
and the output end of the welding transformer is electrically connected with the electrodes on the end heads of the working arms respectively.
2. The medium frequency double-spot projection welding machine according to claim 1, characterized in that: the first control switch and the second control switch are both control pedals.
3. The medium frequency double-spot projection welding machine according to claim 2, characterized in that: and the two control pedals are electrically interlocked.
4. The medium frequency double-spot projection welding machine according to claim 1, characterized in that: the electrode on the end of the working arm can be replaced.
5. The medium frequency double-spot projection welding machine according to claim 1, characterized in that: the device also comprises a power supply module; the input end of the power supply module is connected with an external 380V alternating current power supply, and the output end of the power supply module provides a working power supply for the medium-frequency double-point projection welding machine.
6. The medium frequency double-spot projection welding machine according to claim 1, characterized in that: the two working arm systems are symmetrically arranged on the rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023098573.2U CN214291358U (en) | 2020-12-21 | 2020-12-21 | Medium-frequency double-point projection welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023098573.2U CN214291358U (en) | 2020-12-21 | 2020-12-21 | Medium-frequency double-point projection welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214291358U true CN214291358U (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023098573.2U Active CN214291358U (en) | 2020-12-21 | 2020-12-21 | Medium-frequency double-point projection welding machine |
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| Country | Link |
|---|---|
| CN (1) | CN214291358U (en) |
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- 2020-12-21 CN CN202023098573.2U patent/CN214291358U/en active Active
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