CN216051806U - Protection mechanism of discharging device for numerical control machine driver - Google Patents

Abstract

The utility model provides a protection mechanism of a discharging device for a numerical control machine driver, which is characterized by comprising a protection sleeve and a take-up device, wherein the protection sleeve made of rubber is sleeved on the outer side of a resistance wire support, so that the resistance wire on the resistance wire support can be effectively prevented from being scratched by hard objects or sharp objects used in the detection process, and the damage phenomenon can not occur, so that the service life of the resistance can be effectively prolonged to a certain extent, and the use efficiency of the resistance can be effectively improved; according to the utility model, the wire take-up device consisting of the limiting plate, the winding post, the limiting rod and the handle is additionally arranged, so that the meter connecting pen and the electric wire after each use can be placed at a reasonable and safe position, the phenomenon that the meter connecting pen or the electric wire is accidentally crushed and damaged in the process that a worker moves the driving amplifier is avoided, and further the subsequent use efficiency of the discharging mechanism is not influenced.

Description

Protection mechanism of discharging device for numerical control machine driver

Technical Field

The utility model relates to the technical field of discharge devices of numerically-controlled machine tool drivers, in particular to a protection mechanism of a discharge device for a numerically-controlled machine tool driver.

Background

The electrical components inside the numerical control machine tool usually comprise a drive amplifier, which is one of important components in the electrical components inside the numerical control machine tool and is therefore essential for regular maintenance and repair; in the maintenance process of the drive amplifier of the numerical control machine tool, the drive amplifier is usually required to be placed on a detection platform, and a series of detection and maintenance actions are carried out on the drive amplifier under the conditions of wiring and electrifying, but because the drive amplifier is provided with a large number of capacitors, once the drive amplifier is electrified, even if an external power supply is cut off, the drive amplifier still stores electricity, the drive amplifier cannot be immediately disassembled, the drive amplifier can be disassembled after waiting for about 15-20 minutes, and if the drive amplifier is forcibly disassembled, not only is the damage to the body of a worker easily caused, but also the drive amplifier is extremely easily damaged, and further unnecessary economic loss is caused; therefore, in the prior art, a simple discharging mechanism is added on a detection platform, the discharging mechanism is simply connected with two resistors connected with a meter pen, in the specific operation process, a detection worker respectively holds a first meter pen and a second meter pen in hands, and simultaneously contacts contact ends of the first meter pen and the second meter pen with a first direct current bus and a second direct current bus respectively, at the moment of contact, the resistors can carry out short-circuit treatment on the direct current buses, and rapidly discharge residual charges of a capacitor in a driving amplifier, the discharging process is usually completed within dozens of minutes, after the discharging process is completed, the driving amplifier after the overhaul is completed can be safely disassembled within the first time by an overhaul worker, the driving amplifier cannot be damaged, and unnecessary economic loss cannot be caused;

although the use efficiency of the discharge mechanism is quite good, considering that the resistor in the discharge mechanism is completely exposed to the outside, the resistance wire on the resistor is easily scratched by hard objects or sharp objects used in the detection process, such as screwdrivers with various sizes, so that the service life of the resistor is easily shortened to a certain extent, and even the resistor is easily damaged, and the use efficiency of the resistor is reduced; and consider that current testing platform is lack of take-up usually, this makes the table pen that connects after each time using all directly place the flatly on testing platform, and this will lead to the staff when moving the in-process of drive amplifier, and lead to its phenomenon that the damage also or damage appears because of pressing the table pen of connecing carelessly, and very easy crushing and connect the electric wire that the table pen is connected to easily cause the influence to this discharge mechanism's subsequent availability factor.

Disclosure of Invention

According to the technical problem, the utility model provides a protection mechanism of a discharging device for a numerically-controlled machine tool driver, which is characterized by comprising a detection platform, a resistance wire support, a protective sleeve and a take-up device, wherein the inner side wall of the detection platform is respectively provided with the resistance wire support and the take-up device, the number of the take-up devices is two, and the take-up device is arranged on the right side of the resistance wire support; the outer side wall of the resistance wire support is sleeved with a protective sleeve, the protective sleeve is made of rubber, the protective sleeve is connected with the resistance wire support through a connecting piece, a resistance wire is wound on the resistance wire support, and the resistance wire is not in contact with the protective sleeve;

the rear side of the resistance wire bracket is welded with a fixed plate, and the fixed plate is connected to the inner side wall of the detection platform through a bolt; binding posts are respectively arranged at the upper end and the lower end of the right side wall of the resistance wire bracket; the wiring terminal at the lower end is connected with a second meter connecting pen through a wire; the wiring terminal at the upper end is connected with a first meter connecting pen through a wire;

through holes are respectively formed in the upper end and the lower end of the right side wall of the protective sleeve and used for connecting an electric wire with the binding post;

the winding device comprises a limiting plate, a winding post, a limiting rod and a handle, wherein the winding post is welded on the inner side wall of the detection platform, the limiting plate is welded at the front end of the winding post, the limiting plate is of a circular structure, two threaded holes are formed in the upper end of the limiting plate, the limiting rod is arranged at each of the two threaded holes, and the handle is welded at each of the upper end and the lower end of the front end of the limiting rod; the front end of the limiting rod is provided with threads, and the rear end of the limiting rod penetrates through the threaded hole and is screwed and fixed by the threads arranged at the front end and the threaded hole in a matching manner.

The utility model has the beneficial effects that:

according to the utility model, the protective sleeve made of rubber is sleeved on the outer side of the resistance wire support, so that the resistance wire on the resistance wire support can be effectively prevented from being scratched by hard objects or sharp objects used in the detection process, and the phenomenon of damage can not occur, therefore, the service life of the resistance can be effectively prolonged to a certain extent, and the use efficiency of the resistance can be effectively improved;

the utility model adds the take-up device consisting of the limiting plate, the winding post, the limiting rod and the handle, after the first meter receiving pen and the second meter receiving pen connected by the electric wire are used, namely after the discharging process is finished, the electric wire is only required to be sequentially wound on the winding post by a worker, after the winding is finished, the two limiting rods arranged at the limiting plate are simultaneously pushed inwards through the threaded holes so as to carry out limiting and clamping treatment on the first meter receiving pen or the second meter receiving pen in advance, then the handle is pinched, the limiting rod is rotated, the threads arranged at the front end of the limiting rod are mutually matched and locked with the threaded holes arranged on the limiting plate, the electric wire, the first meter receiving pen and the second meter receiving pen are well fixed on the winding post, and the meter receiving pen and the electric wire after each use can have a reasonable and safe placing position, therefore, the phenomena that a meter connecting pen or an electric wire is accidentally crushed and damaged in the process that a worker moves the driving amplifier cannot occur, and further the subsequent use efficiency of the discharging mechanism cannot be influenced.

Drawings

FIG. 1 is a schematic view of the present invention in an installed position;

FIG. 2 is a right side sectional view of the present invention;

FIG. 3 is a right side view of the present invention;

FIG. 4 is an enlarged view of a portion A of FIG. 1 according to the present invention.

As shown in the figure: 1-detection platform, 2-drive amplifier, 3-resistance wire, 31-binding post, 32-resistance wire bracket, 4-wire, 41-first meter pen, 42-second meter pen, 5-fixing plate, 6-protective sleeve, 61-connecting piece, 62-through hole, 7-limiting plate, 71-winding post, 72-threaded hole, 8-limiting rod, 81-handle and 82-thread.

Detailed Description

Example 1

The utility model provides a protection mechanism of a discharging device for a numerical control machine driver, which is characterized by comprising a detection platform 1, a resistance wire 3, a resistance wire bracket 32, a protection sleeve 6 and take-up devices, wherein the inner side wall of the detection platform 1 is respectively provided with the resistance wire bracket 32 and the take-up devices, the number of the take-up devices is two, and the take-up devices are arranged on the right side of the resistance wire bracket 32; the outer side wall of the resistance wire support 32 is sleeved with a protective sleeve 6, the protective sleeve 6 is made of rubber, the protective sleeve 6 is connected with the resistance wire support 32 through a connecting piece 61, a resistance wire 3 is wound on the resistance wire support 32, and the resistance wire 3 is not in contact with the protective sleeve 6;

the rear side of the resistance wire bracket 32 is welded with a fixing plate 5, and the fixing plate 5 is connected to the inner side wall of the detection platform 1 through bolts; the upper end and the lower end of the right side wall of the resistance wire bracket 32 are respectively provided with a binding post 31; the lower terminal 31 is connected with a second meter connecting pen 42 through a wire 4; the upper end binding post 31 is connected with a first meter connecting pen 41 through a wire 4;

the upper end and the lower end of the right side wall of the protective sleeve 6 are respectively provided with a through hole 62, and the through holes 62 are used for connecting the electric wire 4 with the binding post 31;

the take-up device comprises a limiting plate 7, a winding post 71, a limiting rod 8 and a handle 81, wherein the winding post 71 is welded on the inner side wall of the detection platform 1, the limiting plate 7 is welded at the front end of the winding post 71, the limiting plate 7 is of a circular structure, two threaded holes 72 are formed in the upper end of the limiting plate 7, the limiting rod 8 is respectively arranged at the two threaded holes 72, and the handle 81 is respectively welded at the upper end and the lower end of the front end of the limiting rod 8; the front end of the limiting rod 8 is provided with threads, and the rear end of the limiting rod 8 penetrates through the threaded hole 72 and is screwed and fixed by the threads arranged at the front end and the threaded hole 72 in a matching manner.

Example 2

When the utility model is used, namely when the drive amplifier 2 is in the process of maintenance, firstly, the operator connects and energizes the drive amplifier 2, and carries out a series of detection and maintenance actions under the condition of energization, the operation process only needs the maintenance operator to fiddle with a series of detection electrical appliances on the detection platform 1, after the maintenance is finished, and when the connection on the drive amplifier 2 needs to be timely disassembled, firstly, the power supply should be turned off, at the moment, residual charges still remain in the capacitor of the drive amplifier 2, so that the connection on the drive amplifier 2 cannot be disassembled in the first time, at the moment, the detection operator should respectively hold the first meter receiving pen 41 and the second meter receiving pen 42 by hand, and simultaneously contact ends of the first direct current bus and the second direct current bus are respectively contacted, the first direct current bus and the second direct current bus respectively correspond to two poles of the capacitor in the drive amplifier 2, at the moment of contact, the resistance wire 3 on the resistance wire bracket 32 carries out short-circuit processing on the direct current bus, and carries out rapid discharge on residual charges of the capacitor in the driving amplifier 2, and the discharge process is usually completed within tens of seconds;

after the discharging process is finished, the electric wire 4 and the first and second meter-receiving pens 41 and 42 are required to be stored, in the storing process, the electric wire 4 connected with the first meter-receiving pen 41 is firstly slowly wound on the right winding post 71, after the winding is finished, the two limiting rods 8 arranged at the limiting plates 7 are pushed inwards from the threaded holes 72 simultaneously to limit and clamp the first meter-receiving pen 41 in advance, then the handle 81 is pinched to rotate the limiting rods 8, so that the threads arranged at the front ends of the limiting rods 8 are matched and locked with the threaded holes 72 arranged on the limiting plates 7, and the electric wire 4 and the first meter-receiving pen 41 are well fixed on the winding post 71 and cannot be scattered, and then, the storing mode of the second meter-receiving pen 42 is the same as that of the first meter-receiving pen 41, and the second meter-receiving pen 42 is stored on the right winding post 71, therefore, the meter connecting pen and the wire 4 after each use can be placed at a reasonable and safe position, so that the phenomenon that the meter connecting pen or the wire 4 is accidentally crushed and damaged in the process of moving the driving amplifier 2 by a worker is avoided, and the subsequent use efficiency of the discharging mechanism is not influenced;

wherein, this application is the protective sheath 6 of rubber material through the outside suit at resistance wire support 32, and this protective sheath 6 can prevent effectively that resistance wire 3 on the resistance wire support 32 from receiving the hard thing that uses in the testing process also or sharp-pointed object fish tail, the phenomenon of damage consequently can not appear to can effectively prolong the life of this resistance to a certain extent, and then can effectively improve its availability factor.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. While the utility model has been described with respect to the above embodiments, it will be understood by those skilled in the art that the utility model is not limited to the above embodiments, which are described in the specification and illustrated only to illustrate the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (2)

1. The protection mechanism of the discharging device for the numerical control machine driver is characterized by comprising a detection platform, a resistance wire support, a protection sleeve and a take-up device, wherein the inner side wall of the detection platform is respectively provided with the resistance wire support and the take-up device, the number of the take-up devices is two, and the take-up device is arranged on the right side of the resistance wire support; the outer side wall of the resistance wire support is sleeved with a protective sleeve, the protective sleeve is connected with the resistance wire support through a connecting piece, a resistance wire is wound on the resistance wire support, and the resistance wire is not in contact with the protective sleeve;

the rear side of the resistance wire bracket is welded with a fixed plate, and the fixed plate is connected to the inner side wall of the detection platform through a bolt; binding posts are respectively arranged at the upper end and the lower end of the right side wall of the resistance wire bracket; the wiring terminal at the lower end is connected with a second meter connecting pen through a wire; the wiring terminal at the upper end is connected with a first meter connecting pen through a wire;

through holes are respectively formed in the upper end and the lower end of the right side wall of the protective sleeve and used for connecting an electric wire with the binding post;

the winding device comprises a limiting plate, a winding post, a limiting rod and a handle, wherein the winding post is welded on the inner side wall of the detection platform, the limiting plate is welded at the front end of the winding post, the limiting plate is of a circular structure, two threaded holes are formed in the upper end of the limiting plate, the limiting rod is arranged at each of the two threaded holes, and the handle is welded at each of the upper end and the lower end of the front end of the limiting rod; the front end of the limiting rod is provided with threads, and the rear end of the limiting rod penetrates through the threaded hole and is screwed and fixed by the threads arranged at the front end and the threaded hole in a matching manner.

2. The protection mechanism of a discharge device for a numerical control machine tool driver according to claim 1, wherein said protective cover is made of rubber.

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