CN216310633U

CN216310633U - Anti-oxidation device for molding powder

Info

Publication number: CN216310633U
Application number: CN202123037936.6U
Authority: CN
Inventors: 周宇; 张�林; 何卫阳; 李�雨
Original assignee: Hunan Benlang New Material Technology Co ltd
Current assignee: Hunan Benlang New Material Technology Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-04-15
Anticipated expiration: 2031-12-06

Abstract

An anti-oxidation device for molding powder comprises a charging bucket, a material guide mechanism, a pressing box and a temperature detection device. The upper end of the material guide mechanism is connected with the material tank, the lower end of the material guide mechanism is connected with the pressure tank, the material guide mechanism is communicated with the material tank and the pressure tank respectively, and the temperature detection device is arranged on the outer side of the material guide mechanism. The temperature detection device is provided with two temperature sensors, the temperature sensors are fixed on the material rack, the temperature probes of the sensors and the material tank feed opening are on the same horizontal plane, the other side of each temperature sensor probe is connected with a temperature meter, and temperature information transmitted by the temperature sensors can be displayed on the temperature meter. This kind of shaping unloading temperature-detecting device can accurately survey the temperature change condition of material jar feed opening department, prevents that the powder that generates heat because of the oxidation from continuously flowing into in the press, avoids the appearance of impurity product in batches.

Description

Anti-oxidation device for molding powder

Technical Field

The utility model relates to the field of powder molding manufacturing and processing, in particular to a device for preventing molded powder from being oxidized.

Background

The neodymium iron boron powder contains a large amount of rare earth metals, has large chemical activity, is very easy to oxidize or naturally generate in the air, and emits a large amount of heat. The neodymium iron boron manufacturing process is complex, the processes are multiple, the situation of oxidation can be avoided in the powder carrying process, particularly in the forming stage and the powder discharging process, the material tank is not connected in place or leakage points exist in the material tank, so that the oxidized materials flow into the next process, and the product quality is seriously influenced. It is therefore desirable to use a device for real-time monitoring of the oxidic material, such as a temperature probe.

Most of the existing forming presses monitor the oxygen content in the press through an oxygen content monitor, which can prevent the high oxygen content in the press caused by the air leakage of the press and can not monitor the external discharging tank and the connecting pipe of the press.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the utility model provides a shaping powder anti oxidation device to solve the monitoring problem of the outer oxidation material of present shaping press that proposes in the above-mentioned background art.

In order to solve the problems, the technical scheme provided by the utility model is as follows: the utility model provides a shaping powder anti oxidation unit, includes material jar, guide mechanism, pressure case and temperature detecting device, and the upper end and the material jar of guide mechanism are connected, and the lower extreme and the pressure case of guide mechanism are connected, and guide mechanism communicates with material jar and pressure case respectively, and temperature detecting device sets up the outside at guide mechanism.

Preferably, the material guiding mechanism comprises connecting pipes and connecting valves, and one connecting valve is connected between every two adjacent connecting pipes.

Preferably, the connecting pipe comprises an upper connecting pipe, a flexible connecting pipe and a lower connecting pipe, and the connecting valve comprises an upper connecting valve and a lower connecting valve; the upper end of the upper connecting valve is connected with the lower end of the upper connecting pipe, and the lower end of the upper connecting valve is connected with the upper end of the flexible connecting pipe; the upper end of the lower connecting valve is connected with the lower end of the flexible connecting pipe, the lower end of the lower connecting valve is connected with the upper end of the lower connecting pipe, and the lower end of the lower connecting pipe is connected with the pressure box.

Preferably, a discharging valve is further arranged between the charging bucket and the upper connecting pipe, the upper end of the discharging valve is connected with the lower end of the charging bucket, and the lower end of the discharging valve is connected with the upper end of the upper connecting pipe.

Preferably, the temperature detection device comprises a temperature sensor and a temperature meter, and the temperature sensor is connected with the temperature meter through a lead.

Preferably, the temperature sensor is arranged at the outer side of the upper connecting pipe, and the distance between the temperature sensor and the outer surface of the upper connecting pipe is 6mm-10 mm.

By adopting the technical scheme, the utility model has the beneficial effects that:

this kind of anti-oxidation device of shaping powder discharges a large amount of heat when utilizing the powder oxidation, and the heat lets the temperature sensor at same horizontal plane accept temperature signal through the last connecting pipe conduction of stainless steel, temperature signal send to the thermometer to show on the display screen of thermometer, when the high temperature, the staff in time stops production. The device can monitor the powder oxidation condition at the charging bucket in real time, is safe and reliable, and reduces the risk that the oxidation material flows into the next procedure.

Drawings

FIG. 1 is a schematic structural diagram according to a first embodiment;

in the figure: 1. a charging bucket; 2. a discharge valve; 3. a discharge port; 4. an upper connecting pipe; 5. an upper connecting valve; 6. a flexible connection pipe; 7. a lower connecting valve; 8. a lower connecting pipe; 9. pressing the box; 10. a temperature sensor; 11. a temperature meter.

Detailed Description

The utility model is further described with reference to the following examples and figures:

example one

As shown in fig. 1, the device for preventing oxidation of the molding powder comprises a charging bucket 1, a material guiding mechanism, a pressure box 9 and a temperature detecting device, wherein in this embodiment, the material guiding mechanism comprises an upper connecting pipe 4, a flexible connecting pipe 6, a lower connecting pipe 8, an upper connecting valve 5 and a lower connecting valve 7. Wherein, the upper connecting pipe 4 and the lower connecting pipe 8 are made of stainless steel, the upper end of the upper connecting valve 5 is connected with the lower end of the upper connecting pipe 4, and the lower end of the upper connecting valve 5 is connected with the upper end of the flexible connecting pipe 6; the upper end of the lower connecting valve 7 is connected with the lower end of the flexible connecting pipe 6, the lower end of the lower connecting valve 7 is connected with the upper end of the lower connecting pipe 8, and the lower end of the lower connecting pipe 8 is connected with the pressure box 9. The flexible connecting pipe 6 is arranged between the upper connecting pipe 4 and the lower connecting pipe 8, so that vibration blanking is facilitated, and the neodymium iron boron powder can flow to the pressing box 9 more smoothly. Still be provided with unloading valve 2 between material jar 1 and the last connecting pipe 4, the upper end of unloading valve 2 is connected with the lower extreme of material jar 1, and the lower extreme of unloading valve 2 is connected with the upper end of last connecting pipe 4.

The temperature detection device comprises a temperature sensor 10 and a temperature instrument 11, wherein the temperature sensor 10 is connected with the temperature instrument 11 through a lead. In order to monitor the powder oxidation condition of the charging bucket 1 in real time, a discharge port 3 is arranged at the lower end of the discharging valve 2, and an upper connecting pipe 4 made of stainless steel is sleeved on the discharge port 3 through threaded connection. In order to enable the temperature detection device to detect the temperature of the neodymium iron boron powder in the discharging process of the powder timely and accurately. The temperature sensors 10 are arranged outside the stainless steel upper connecting pipe 4, preferably, the height of the temperature sensors 10 is consistent with that of the discharge port 3, the distance between the temperature sensors 10 and the outer surface of the upper connecting pipe 4 is 6mm-10mm, and the number of the temperature sensors 10 is 1 or 2. To ensure that the temperature sensor 10 is stationary, the temperature sensor 10 may be fixed to a stack or a stationary support device.

The temperature information detected by the temperature sensor 10 is sent to the temperature meter 11 and displayed on the display screen of the temperature meter 11, and the staff judges whether the temperature at the charging bucket 1 and the material guiding mechanism is too high by observing the temperature value on the display screen. When the temperature is too high, the staff timely stops production and repairs the problem. Thereby preventing the powder which generates heat due to oxidation from continuously flowing into the pressing machine and avoiding the appearance of batch impurity products. In addition, an alarm can be arranged on the temperature instrument 11, and when the temperature is too high, the alarm sends out an alarm signal, so that the production is stopped in time.

It will be apparent that modifications and variations are possible without departing from the principles of the utility model as set forth herein.

Claims

1. The utility model provides a shaping powder anti oxidation device, its characterized in that includes material jar, guide mechanism, pressure case and temperature detecting device, and the upper end and the material jar of guide mechanism are connected, and the lower extreme and the pressure case of guide mechanism are connected, and guide mechanism communicates with material jar and pressure case respectively, and temperature detecting device sets up the outside at guide mechanism.

2. The device for preventing oxidation of molding powder according to claim 1, wherein the material guiding mechanism comprises connecting pipes and connecting valves, and one connecting valve is connected between every two adjacent connecting pipes.

3. The molding powder anti-oxidation device according to claim 2, wherein the connection pipe comprises an upper connection pipe, a flexible connection pipe and a lower connection pipe, and the connection valve comprises an upper connection valve and a lower connection valve; the upper end of the upper connecting valve is connected with the lower end of the upper connecting pipe, and the lower end of the upper connecting valve is connected with the upper end of the flexible connecting pipe; the upper end of the lower connecting valve is connected with the lower end of the flexible connecting pipe, the lower end of the lower connecting valve is connected with the upper end of the lower connecting pipe, and the lower end of the lower connecting pipe is connected with the pressure box.

4. The device for preventing oxidation of molding powder according to claim 3, wherein a lower valve is further disposed between the charging bucket and the upper connecting pipe, an upper end of the lower valve is connected to a lower end of the charging bucket, and a lower end of the lower valve is connected to an upper end of the upper connecting pipe.

5. The molding powder anti-oxidation device according to claim 4, wherein the temperature detection device comprises a temperature sensor and a temperature meter, and the temperature sensor is connected with the temperature meter through a lead.

6. The molding powder anti-oxidation device according to claim 5, wherein the temperature sensor is disposed outside the upper connection pipe, and a distance between the temperature sensor and an outer surface of the upper connection pipe is 6mm to 10 mm.