CN215034409U - Efficient spot welder for welded nut - Google Patents

Abstract

The utility model relates to the technical field of spot welding machines, in particular to a spot welding machine for welding nuts with high efficiency, which comprises a cabinet, wherein a control box is arranged on the right side of the cabinet, a PLC controller is arranged in the control box, an upper horn is arranged on the front side of the cabinet, an upper electrode is arranged on the front side of the upper horn, a lower electrode which is matched with the upper electrode is also arranged on the front side of the cabinet, an alarm unit is arranged on the top of the lower electrode, an alarm system is added on the basis of preventing reverse welding and welding leakage, and the PLC controller is used for further refining the upper electrode and the lower electrode, the number of the workpieces is counted before the workpieces are welded, and the number of the workpieces to be machined is set, so that the problems of welding leakage prevention and the like can be further prevented, meanwhile, when the welding leakage occurs, the alarm unit can effectively remind workers of manual reset so as to start to be processed again, and therefore the overall safety of the device is improved.

Description

Efficient spot welder for welded nut

Technical Field

The utility model relates to a spot welder technical field specifically is an efficient spot welder for welded nut.

Background

The spot welder is one of indispensable machines in nut processing, has outstanding performance such as high efficiency, it is quick and safe, and current electric welding is in carrying out high-speed incessant processing, the problem that often appears nut and welds or leak often, and people are in order to solve this problem, installed photoelectric sensor and counter additional on last electrode and bottom electrode, and through the shape design to last electrode and bottom electrode, this problem has effectively been solved, but the device is at the in-process of concrete use, still there are a great deal of inconveniences, whole device lacks warning and safety coefficient, holistic security is poor, the practicality is general, so we propose a high efficiency spot welder for welding nut based on the electric welding of leaking welding of back welding, in order to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The not enough to prior art, the utility model provides an efficient spot welder for welded nut possesses welding efficiency height, and advantages such as security height have solved the problem under traditional spot welding inefficiency, the security is low.

The utility model discloses an efficient spot welder for welded nut, which comprises a cabinet, the control box is installed on the right side of rack, install the PLC controller in the control box, the front of rack is provided with the horn, go up the front of horn and install the electrode, the bottom electrode with the mutual adaptation of last electrode is still installed in the front of rack, the top of bottom electrode is provided with alarm unit, alarm unit is including setting up in the casing at the bottom electrode back, the internally mounted of casing has count sensor, PLC controller electric connection in count sensor and the control box, proximity switch is still installed in shells inner wall's left side, proximity switch establishes ties in the circuit of last electrode and bottom electrode, the positive bottom of control box still is provided with opens the stop switch.

As a further improvement, the counter is installed to the bottom of upper electrode, still installs photoelectric sensor in the bottom electrode, and photoelectric sensor passes through the PLC controller and is connected with the counter.

Through the structural design, the upper electrode and the lower electrode can form a closed loop when welding, and the counter can detect the number of normally welded workpieces.

As a further improvement, the front of the control box is provided with a buzzer, and the buzzer is connected with the alarm unit through the PLC controller.

Through the structural design, the buzzer can remind a worker to reset the nut when the nut is reversely placed or other problems occur in the device.

As a further improvement, the control panel is still installed on the right side of the control box, and the control panel is provided with an operating button and a display screen on the operating panel for setting the quantity of the workpieces to be processed.

Through the structural design, the number of the workpieces to be machined can be set by a worker, and one round of machining is completed when the set number is equal to the number of the workpieces normally machined on the counter.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses under preventing reverse welding and the basis of leaking welding, alarm system has been increased, and further refine with both through the PLC controller, count the quantity of work piece earlier before the work piece welding, set for the quantity of processing work piece simultaneously, and go up the counter on the electrode and mutually support the use, not only can further prevent to prevent the emergence of welding leakage welding scheduling problem, alarm unit is when taking place to leak welding or the back welding simultaneously, can effectively remind the staff to carry out manual reset, the side can begin to reprocess, thereby the holistic security of device has been improved, the holistic machining efficiency of device has been improved simultaneously, the nut that causes because of workman's operation and inspection carelessness has effectively been stopped and has leaked the problem emergence of welding.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the logic block diagram structure of the present invention;

fig. 3 is a side view of the shell of the present invention.

In the figure: 1. a cabinet; 2. mounting a machine arm; 3. an upper electrode; 4. a lower electrode; 5. an alarm unit; 51. a housing; 52. a counting sensor; 53. a proximity switch; 6. a control box; 7. a control panel; 8. a buzzer; 9. and (5) starting and stopping a switch.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Please refer to fig. 1, fig. 2 and fig. 3, the utility model discloses an efficient spot welder for welded nut, including rack 1, control box 6 is installed on the right side of rack 1, install the PLC controller in the control box 6, the front of rack 1 is provided with horn 2, electrode 3 is installed in the front of horn 2, lower electrode 4 with last electrode 3 mutual adaptation is still installed in the front of rack 1, the top of lower electrode 4 is provided with alarm unit 5, alarm unit 5 is including setting up in the casing 51 at the lower electrode 4 back, the internally mounted of casing 51 has count sensor 52, PLC controller electric connection in count sensor 52 and the control box 6, proximity switch 53 is still installed in the left side of casing 51 inner wall, proximity switch 53 establishes ties in the circuit of last electrode 3 and lower electrode 4, the positive bottom of control box 6 still is provided with opens stop switch 9.

Referring to fig. 1, a counter is further installed at the bottom of the upper electrode 3, a photoelectric sensor is further installed in the lower electrode 4, and the photoelectric sensor is connected with the counter through a PLC controller.

Referring to fig. 3, the front surface of the control box 6 is further provided with a buzzer 8, the buzzer 8 is electrically connected with the alarm unit 5 through the PLC controller, and the buzzer 8 is arranged to remind a worker to reset the nut when the nut is placed reversely or otherwise fails.

Referring to fig. 1 and 3, a control panel 7 is further installed on the right side of the control box 6, an operation button is arranged on the control panel 7, a display screen is arranged on the operation panel and used for setting the number of the workpieces to be machined, the structural arrangement enables a worker to set the number of the workpieces to be machined, and when the set number is equal to the number of the workpieces which are normally machined on the counter, one round of machining is completed.

When using the utility model discloses the time: firstly, a worker sets the processing number of workpieces through a control panel 7, then the workpieces are conveyed between an upper electrode 3 and a lower electrode 4 through a conveying platform, in the conveying process, a technical sensor can monitor the number of the workpieces entering the processing, then the upper electrode 3 and the lower electrode 4 start to perform spot welding on the workpieces, in the spot welding process, the upper electrode 3 and the lower electrode 4 are in contact with each other and can be normally welded, if a nut is placed in the direction or other conditions occur, a photoelectric sensor cannot be electrified, a counter cannot display the welding number, at the moment, a proximity switch 53 is switched off, the whole machine body stops working, meanwhile, the proximity switch 53 controls a buzzer 8 to sound through a PLC (programmable logic controller) controller to remind the worker to reset the nut, after the reset is completed, the nut starts to be processed again, when the processing number on the counter is consistent with the processing number on the control panel 7, upon completion of the machining, the proximity switch 53 is turned off and the operator can resume setting a new round of machining.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (6)

1. The utility model provides an efficient spot welder for weld nut, includes rack (1), its characterized in that: a control box (6) is installed on the right side of the cabinet (1), a PLC is installed in the control box (6), an upper machine arm (2) is arranged on the front surface of the cabinet (1), an upper electrode (3) is installed on the front surface of the upper machine arm (2), a lower electrode (4) matched with the upper electrode (3) is further installed on the front surface of the cabinet (1), and an alarm unit (5) is arranged at the top of the lower electrode (4);

alarm unit (5) are including setting up in casing (51) at bottom electrode (4) back, the internally mounted of casing (51) has count sensor (52), PLC controller electric connection in count sensor (52) and control box (6), and proximity switch (53) are still installed to the left side of casing (51) inner wall.

2. A spot welder for efficient weld nuts as set forth in claim 1, characterized in that: the proximity switch (53) is connected in series in the circuit of the upper electrode (3) and the lower electrode (4).

3. A spot welder for efficient weld nuts as set forth in claim 1, characterized in that: the bottom of the upper electrode (3) is also provided with a counter, the lower electrode (4) is also provided with a photoelectric sensor, and the photoelectric sensor is connected with the counter through a PLC (programmable logic controller).

4. A spot welder for efficient weld nuts as set forth in claim 1, characterized in that: the bottom of the front surface of the control box (6) is also provided with a start-stop switch (9).

5. A spot welder for efficient weld nuts as set forth in claim 1, characterized in that: the front surface of the control box (6) is also provided with a buzzer (8), and the buzzer (8) is electrically connected with the alarm unit (5) through a PLC (programmable logic controller).

6. A spot welder for efficient weld nuts as set forth in claim 1, characterized in that: control panel (7) are still installed on the right side of control box (6), are provided with operating button on control panel (7), are provided with the display screen on the operating panel for set for treat the quantity of processing work piece.

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