CN218549888U

CN218549888U - Touch magnetic proximity switch special for wire cutting

Info

Publication number: CN218549888U
Application number: CN202222618240.0U
Authority: CN
Inventors: 龚建辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-06
Filing date: 2022-10-06
Publication date: 2023-02-28
Anticipated expiration: 2032-10-06

Abstract

The utility model relates to the technical field of wire-electrode cutting proximity switches, in particular to a special touch magnetic proximity switch for wire-electrode cutting, which comprises a proximity switch; the proximity switch comprises a tubular shell, wherein an induction head plug and a tail plug are respectively sleeved at two ends of the tubular shell, a touch induction board and a switch main board are arranged in the tubular shell, the switch main board is connected with a power signal wire, and the power signal wire penetrates through the tail plug and is connected with a control end of the wire cutting machine; establish hall sensor on the touch-sensitive board, hall sensor and switch mainboard connection, establish touch chip on the switch mainboard, touch chip is connected with the touch-sensitive board, the utility model discloses in, line touch magnetism proximity switch through setting up belongs to a sensor that has switching value output, and it has hand touch switching value output and hall sensor magnetic induction switching value output module to constitute, and two unification functions belong to the trade and initiate, and brand-new circuit design can effectively prevent inductance type switch malfunction, and the interference killing feature is strong very much.

Description

Special touch magnetic proximity switch for wire cutting

Technical Field

The utility model relates to a wire-electrode cutting proximity switch technical field especially relates to special touch magnetism proximity switch of wire-electrode cutting.

Background

The wire cut electric discharge machine is mainly used for manufacturing various dies, electrodes and precision parts and processing complex cavities and curved surface shapes of various electric conductors such as hard alloy, quenched steel, graphite, aluminum alloy, structural steel, stainless steel, titanium alloy, diamond and the like. The computer control system and the full Chinese automatic drawing programming and controlling software are adopted. The trace and time display is provided in the processing, and the wire moving in the processing condition can be known at any time, so that the characteristic of multiple cutting function is provided.

The approach switch of the wire cut electric discharge machine basically adopts a mechanical switch and an inductive switch, and the mechanical switch controls the on-off of load current through the contact and the disconnection of a contact so as to enable the load to work; when the movable contact and the static contact pass through larger current, arc discharge is easy to generate, so that the contact is oxidized, the voltage drop of the contact is increased to form malignant change, the contact is ablated, and the switch is unstable and ineffective in operation; the service life of a general contact switch is about 10 ten thousand times, and arc discharge easily causes interference to other electric appliances; the inductive approach switch overcomes all the defects of a mechanical switch, and the service life of the inductive approach switch can reach more than 300 ten thousand times.

In the prior art, the inductance type switch also exposes the fatal defect of the inductance type switch, namely, the switch can malfunction under the interference of a strong magnetic field, and serious hidden danger can be caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the inductive approach switch in the prior art can act under the interference of a strong magnetic field.

The embodiment of the application provides a touch magnetic proximity switch special for wire cutting, which comprises a proximity switch;

the proximity switch comprises a tubular shell, wherein an induction head plug and a tail plug are respectively sleeved at two ends of the tubular shell, a touch induction plate and a switch main board are arranged in the tubular shell, the touch induction plate is connected with the switch main board, the switch main board is connected with a power signal wire, and the power signal wire penetrates through the tail plug and is connected with a control end of the wire cutting machine;

the touch sensing board is provided with a Hall sensor, the Hall sensor is connected with the switch main board, and when the magnetic object moves close to a sensing area of the proximity switch, the Hall sensor generates a Hall effect to change the state of an internal circuit of the switch main board so as to control the on or off of the proximity switch;

establish touch chip on the switch mainboard, touch chip is connected with touch tablet, and when hand touch proximity switch's response region, touch tablet on the proximity switch detection face makes switch mainboard internal circuit state change with signal transmission to touch chip, and then controls proximity switch's the on-off.

Furthermore, the switch main body and the touch sensing plate are fixedly connected with the tubular shell and the sensing head plug in an epoxy resin integrated sealing and filling mode.

Further, the tubular shell is made of transparent hard plastic materials, and an LED light-emitting indicator lamp is arranged on the switch main body.

Furthermore, the power signal wire comprises three circuits, wherein two circuits are positive and negative power supplies, the positive and negative power supplies are respectively connected with the switch main board and used for supplying power to the whole proximity switch, the other circuit is a signal transmission line and connected with the switch main board, and the other end of the signal transmission line is connected with the control end of the wire cutting machine and used for transmitting signals between the proximity switch and the wire cutting machine.

Further, a power supply module is arranged between the power supply anode and the power supply cathode of the power supply signal line and the switch mainboard, and the power supply signal line supplies power to the switch mainboard through the power supply module.

Furthermore, a signal output module is further arranged between the signal transmission line of the power signal line and the switch main board and used for transmitting signals sensed by the touch sensing board and the Hall sensor to a control end of the wire cutting machine.

Furthermore, the switch mainboard is made by the MCU singlechip.

Further, the outer surface of the tubular shell is provided with a thread groove, and the tubular shell is in threaded connection with the two nuts through the thread groove.

One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

the utility model discloses in, through the line touch magnetic proximity switch who sets up, belong to a sensor that has switching value output, it has hand touch switching value output and hall sensor magnetic induction switching value output module to constitute, and two unification functions belong to the trade initiative, and brand-new circuit design can prevent effectively that inductance type switch malfunction, and the interference killing feature is strong very much.

Drawings

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

FIG. 2 is a schematic diagram of the explosive structure of the apparatus of the present application;

FIG. 3 is a schematic structural diagram of a touch sensor panel according to the present application;

fig. 4 is a schematic diagram of the circuit of the device in the present application.

In the figure: 11-induction head plug, 13-nut, 14-tubular shell, 15-tail plug, 16-power signal wire, 17-touch induction board and 18-switch main board.

Detailed Description

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 illustrated in the accompanying 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 herein in the description of the invention 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. 1-4, the present invention provides a technical solution:

the special touch magnetic proximity switch for wire cutting comprises a proximity switch, wherein the proximity switch comprises a tubular shell 14, two ends of the tubular shell 14 are respectively sleeved with an induction head plug 11 and a tail plug 15, a touch induction plate 17 and a switch main board 18 are arranged inside the tubular shell 14, the touch induction plate 17 is connected with the switch main board 18, the switch main board 18 is connected with a power signal wire 16, and the power signal wire 16 penetrates through the tail plug 15 to be connected with a control end of a wire cutting machine;

the touch sensing board 17 is provided with a Hall sensor, the Hall sensor is connected with the switch main board 18, when the magnetic object moves close to the sensing area of the proximity switch, the Hall sensor generates Hall effect to change the state of the internal circuit of the switch main board 18, and then the on-off of the proximity switch is controlled;

establish touch chip on the switch mainboard 18, touch chip is connected with touch tablet 17, and when hand touch proximity switch's response region, touch tablet 17 on the proximity switch detection face transmits the signal to touch chip, makes switch mainboard 18 internal circuit state change, and then control proximity switch's the on or off.

In summary, the line touch type magnetic proximity switch belongs to a sensor with switching value output, and comprises a hand touch switching value output module and a Hall sensor magnetic induction switching value output module, and the two-in-one function belongs to the industry initiative, and is a brand new circuit design, can effectively prevent the malfunction of an inductive switch, and has extremely strong anti-jamming capability.

Preferably, the switch main body 18 is fixedly connected with the tubular housing 14 in an epoxy resin integrated sealing and filling manner, and can be used in a severe environment, and the touch sensing board 17 is also fixedly connected with the sensing head race 11 in an epoxy resin integrated sealing and filling manner in the same way, so that the epoxy resin has a good insulating function, and the sensing efficiency of the touch sensing board 17 and the hall sensor cannot be influenced.

Preferably, tubular shell 14 is made by transparent rigid plastic material and forms, and is connected with the luminous pilot lamp of LED on the switch main part 18, and the luminous pilot lamp of LED is installed in switch main part 18 two angle departments that are close to touch tablet 17, and in the use, when touch tablet 17 hall sensor response hand touch/magnetic induction, the luminous pilot lamp of LED lights, and the LED pilot lamp is in wire cut electrical discharge machining's outside after the installation simultaneously, has effectively improved the spacing degree of accuracy of device.

Preferably, the power signal line 16 includes three lines, two of which are positive and negative power sources, respectively connected to the switch main board 18 for supplying power to the proximity switch as a whole, and the other one of which is a signal transmission line connected to the switch main board 18, and the other end of which is connected to the control end of the wire cutting machine for transmitting signals between the proximity switch and the wire cutting machine.

Preferably, a power module is further disposed between the power source positive electrode and the power source negative electrode of the power source signal line 16 and the switch main board 18, and the power source signal line 16 supplies power to the switch main board 18 through the power module. The working voltage of the power supply module is 5-36v, and the working voltage range of the proximity switch is expanded.

Preferably, a signal output module is further disposed between the signal transmission line of the power signal line 16 and the switch main board 18, and is used for transmitting signals sensed by the touch sensing board 17 and the hall sensor to a control end of the wire cutting machine.

Preferably, the switch main board 18 is made of an MCU single chip microcomputer.

Preferably, the outer surface of the tubular housing 14 is provided with a thread groove, and the tubular housing 14 is in threaded connection with the two nuts 13 through the thread groove, so that the proximity switch is mounted on the wire cutting machine.

It should be noted that: the detection object of the hall sensor must be a magnetic object.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by 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 protection scope of the present invention.

Claims

1. The special touch magnetic proximity switch for wire cutting is characterized in that: comprises a proximity switch;

the proximity switch comprises a tubular shell (14), wherein an induction head plug (11) and a tail plug (15) are respectively sleeved at two ends of the tubular shell (14), a touch induction board (17) and a switch main board (18) are arranged inside the tubular shell (14), the touch induction board (17) is connected with the switch main board (18), the switch main board (18) is connected with a power signal wire (16), and the power signal wire (16) penetrates through the tail plug (15) to be connected with a control end of the wire cutting machine;

the touch sensing board (17) is provided with a Hall sensor, the Hall sensor is connected with the switch main board (18), and when a magnetic object moves close to a sensing area of the proximity switch, the Hall sensor generates a Hall effect to change the state of an internal circuit of the switch main board (18) so as to control the on or off of the proximity switch;

establish touch chip on switch mainboard (18), touch chip is connected with touch tablet (17), and when hand touch proximity switch's response region, touch tablet (17) on the proximity switch detection face transmit signal to touch chip, make switch mainboard (18) internal circuit state change, and then control proximity switch's on or off.

2. The wire-cut dedicated touch magnetic proximity switch according to claim 1, wherein: the switch main board (18) and the touch sensing board (17) are fixedly connected with the tubular shell (14) and the sensing head plug (11) in an epoxy resin integrated sealing and filling mode.

3. The wire-cut dedicated touch magnetic proximity switch according to claim 1, wherein: the tubular shell (14) is made of transparent hard plastic materials, and an LED light-emitting indicator lamp is arranged on the switch main board (18).

4. The wire-cut specialized touch magnetic proximity switch of claim 1, wherein: the power signal wire (16) comprises three circuits, wherein two circuits are a positive electrode and a negative electrode of a power supply, are respectively connected with the switch main board (18) and are used for supplying power to the whole proximity switch, the other circuit is a signal transmission wire and is connected with the switch main board (18), the other end of the signal transmission wire is connected with the control end of the wire cutting machine and is used for transmitting signals between the proximity switch and the wire cutting machine.

5. The wire-cut dedicated touch magnetic proximity switch according to claim 4, wherein: and a power supply module is also arranged between the power supply anode and the power supply cathode of the power supply signal line (16) and the switch mainboard (18), and the power supply signal line (16) supplies power to the switch mainboard (18) through the power supply module.

6. The wire-cut specialized touch magnetic proximity switch of claim 4, wherein: and a signal output module is also arranged between a signal transmission line of the power signal line (16) and the switch main board (18) and is used for transmitting signals sensed by the touch sensing board (17) and the Hall sensor to a control end of the wire cutting machine.

7. The wire-cut dedicated touch magnetic proximity switch according to claim 1, wherein: the switch main board (18) is made of an MCU singlechip.

8. The wire-cut specialized touch magnetic proximity switch of claim 1, wherein: the outer surface of the tubular shell (14) is provided with a thread groove, and the tubular shell (14) is in threaded connection with the two nuts (13) through the thread groove.