CN219178629U

CN219178629U - Online temperature and humidity detection device of sand mixer

Info

Publication number: CN219178629U
Application number: CN202320117919.3U
Authority: CN
Inventors: 刘会庆; 李彦青; 傅长娟; 李岚
Original assignee: Zhangwu Yonghong Machinery Manufacturing Co ltd
Current assignee: Zhangwu Yonghong Machinery Manufacturing Co ltd
Priority date: 2023-02-06
Filing date: 2023-02-06
Publication date: 2023-06-13
Anticipated expiration: 2033-02-06

Abstract

The utility model relates to the technical field of clay sand wet-type casting, and particularly discloses an online temperature and humidity detection device of a sand mixer, which comprises a protective cover, a movable assembly and a guide assembly which are sequentially connected, wherein the protective cover is of a tubular structure, and the end part of the protective cover is open; further comprises: the sensor bracket is of a cylindrical structure, penetrates through and is connected with the movable assembly, one end of the sensor bracket is positioned in the protective cover and can stretch out and draw back from the inner side of the end part of the protective cover under the drive of the movable assembly, and the other end of the sensor bracket extends to the guide assembly; the sensor probe is positioned at the end part of the sensor bracket and comprises a temperature sensor and a humidity sensor; the guiding component is provided with a strip hole along the telescoping direction of the sensor support, and a guiding rod penetrating through the strip hole and fixed with the sensor support is arranged in the strip hole. The online temperature and humidity detection device for the sand mixer can realize online automatic detection, calculate the water adding quantity of the sand mold in real time according to the detection data of the temperature and humidity, and realize automatic and accurate compensation of the water adding quantity.

Description

Online temperature and humidity detection device of sand mixer

Technical Field

The utility model relates to the technical field of clay sand wet-type casting, in particular to an online temperature and humidity detection device of a sand mixer.

Background

In clay sand green-mold casting, proper moisture and temperature have great influence on the quality of the sand mold, and in order to ensure that the sand mold has stable sand temperature and humidity, the temperature and humidity of the sand mold need to be detected during sand mixing so as to ensure constant compaction rate and green-mold strength of the sand mold.

At present, the method for detecting the temperature and humidity of the molding sand at home and abroad generally adopts a manual sampling mode to detect the strength, compaction rate and the like of the molding sand, and then inversely calculates the water adding amount of the molding sand according to the detection result. The clay sand mixing basically has no real-time monitoring of moisture and temperature, and the water adding amount is calculated through sand sampling detection, so that the mode has the defects of low efficiency, inaccurate measurement and the like.

Disclosure of Invention

In view of the above, in order to solve the above technical problems, the present utility model provides an online temperature and humidity detection device for a sand mixer, including the following contents:

the temperature and humidity online detection device of the sand mixer comprises a protective cover, a movable assembly and a guide assembly which are sequentially connected, wherein the protective cover is of a tubular structure, and the end part of the protective cover is open; further comprises:

the sensor bracket is of a cylindrical structure, penetrates through and is connected with the movable assembly, one end of the sensor bracket is positioned in the protective cover and can stretch out and draw back from the inner side of the end part of the protective cover under the drive of the movable assembly, and the other end of the sensor bracket extends to the guide assembly;

the sensor probe is positioned at the end part of the sensor bracket and comprises a temperature sensor and a humidity sensor;

the guiding component is provided with a strip hole along the telescoping direction of the sensor support, and a guiding rod penetrating through the strip hole and fixed with the sensor support is arranged in the strip hole.

Optionally, a travel induction assembly is further arranged outside the guide assembly; the travel induction assembly comprises a follow-up induction switch fixed on the guide rod, and a first induction switch and a second induction switch fixed on the side surface of the guide assembly; the first inductive switch and the second inductive switch are arranged at intervals; the follow-up inductive switch and the first inductive switch and the second inductive switch are mutually inductive.

Optionally, the movable component is an oil cylinder for driving the sensor support to reciprocate.

Optionally, the device also comprises a blowing device, wherein the blowing device is positioned at one end of the protective cover, which is connected with the movable assembly, and comprises a plurality of blowing nozzles uniformly distributed around the central shaft of the sensor support, and the blowing nozzles extend into the protective cover and blow towards the direction of the sensor probe.

Optionally, the air blowing device is opened above the protective cover at the position, and a cover plate is arranged at the opening, and the cover plate is detachably connected with the protective cover.

Optionally, the safety cover tip opening part still is equipped with cleans the strip, clean the strip ring sensor probe sets up, works as when sensor probe stretches out and draws back, clean strip and sensor probe outer wall surface contact.

Optionally, a sensor guard plate is fixedly installed at the opening of the end part of the protective cover to protect the sensor probe.

Optionally, the position that the direction subassembly is connected movable subassembly still is equipped with the rotating assembly, the rotating assembly with movable subassembly rotates to be connected, with direction subassembly with sensor support fixed connection can drive direction subassembly with the sensor support carries out axial rotation for movable subassembly.

Compared with the prior art, the online temperature and humidity detection device for the sand mixer has the advantages of simple and practical structure, no need of manual intervention, high detection efficiency and accurate measurement data, can realize online automatic detection, calculates the water adding amount of the sand mold in real time through the detection data of the temperature and humidity, and realizes automatic accurate compensation of the water adding amount.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view of an embodiment of the present utility model;

FIG. 2 is a top view of an embodiment of the present utility model;

FIG. 3 is a graph showing the effect of the temperature and humidity sensor in the embodiment of the utility model;

FIG. 4 is a state diagram of the use of an embodiment of the present utility model.

In the figure, a 1-sensor probe, a 2-sensor support, a 3-protective cover, a 31-cover plate, a 4-movable component, a 5-guide component, a 6-guide rod, a 61-sensor mounting plate, a 7-cleaning strip, an 8-blowing device, a 9-sensor protective plate, a 100-follow-up induction switch, a 101-first induction switch and a 102-second induction switch.

Detailed Description

In order to better understand the purpose, structure and function of the utility model, the utility model relates to an online temperature and humidity detection device for a sand mixer, which is described in further detail below with reference to the accompanying drawings.

The embodiment provides an online temperature and humidity detection device of a sand mixer, which is shown by referring to fig. 1 and 2, and comprises a sensor probe 1, a sensor bracket 2, a protective cover 3, a movable component 4, a guide component 5, a cleaning strip 7, an air blowing device 8 and a stroke induction component.

Referring to fig. 1 and 2, a sensor probe 1 of the present embodiment is mounted on a sensor support 2, the sensor support 2 is connected with a movable assembly 4, a protective cover 3 is arranged outside the sensor support 2, an air blowing device 8 and a cleaning strip 7 are arranged on the protective cover 3, and a guiding assembly 5 is mounted at the tail of the movable assembly 4.

The sensor probe 1 of the present embodiment is provided with a temperature sensor and a humidity sensor.

The movable component 4 of the present embodiment is an oil cylinder.

The guiding component 5 of this embodiment is provided with a strip hole, the guiding rod 6 is installed in the strip hole to prevent the oil cylinder from rotating, and meanwhile, the guiding rod 6 is fixed with a sensor mounting plate 61, the sensor mounting plate 61 is used for fixedly mounting a follow-up sensing switch 100, the follow-up sensing switch 100 is used for detecting the stroke of the oil cylinder, the follow-up sensing switch 100 is matched with the follow-up sensing switch 100 for use, a first sensing switch 101 and a second sensing switch 102 are arranged, the first sensing switch 101 and the second sensing switch 102 are respectively fixed on one side of the guiding component 5, are arranged at intervals, are protruded above the guiding component 5 and are close to the follow-up sensing switch 100 in height, can be mutually sensed with the follow-up sensing switch 100, and are used for determining the outwards extending distance and the position of the sensor probe 1.

The cleaning strip 7 in this embodiment is a ring of brush or rubber strip disposed at the port of the protecting cover 3, and takes a brush as an example, the brush surrounds the side wall of the sensor probe 1 and forms surface contact with the side wall of the sensor probe 1, and when the sensor probe 1 passes through, residues on the side wall of the sensor probe 1 are automatically cleaned.

Above the protective cover 3 in this embodiment, a cover plate 31 is provided corresponding to the position of the air blowing device 8, the cover plate 31 is fixed to the protective cover 3 by bolts, and when the cover plate 31 is detached, the air blowing device 8 inside can be cleaned, maintained and replaced.

The air blowing device 8 of the embodiment comprises a plurality of air blowing nozzles which are uniformly distributed around the central shaft of the sensor bracket 2, the air blowing nozzles face the direction of the sensor probe 1, and a pipeline interface connected with an air pump is arranged at the rear end of the air blowing nozzle.

The end of the protective cover 3 in this embodiment is also fixedly provided with a sensor guard 9, which protects the sensor probe 1 when the sensor probe 1 extends out of the protective cover 3.

Referring to fig. 3, an effect diagram of the sensor probe 1 when it extends outwards is shown, and at this time, the sensor probe 1 extends outwards along with the sensor bracket 2 under the action of the oil cylinder to detect the temperature and humidity; under the action of the guide component 5, the oil cylinder reciprocates along the direction of the guide rod 6 and cannot rotate; the travel sensing assembly operates synchronously with the operation of the sensor holder 2, thereby determining the travel of the sensor probe 1.

Referring to fig. 4, in this embodiment, during operation, the sensor probe 1 is sent into the sand mixer through the movable component 4, the sensor probe 1 contacts with the molding sand, the temperature sensor and the humidity sensor detect the temperature and the humidity, and transmit the detection data into the computer, finish the accurate water adding through calculation, and the movable component 4 drives the sensor probe 1 to return into the protective cover 3, the cleaning strip 7 contacts with the sensor probe 1 during the back process, finish the automatic cleaning, and the blowing device 8 starts working after the movable component 4 is back in place to blow off the residual floating sand and foreign matters on the sensor probe 1.

In some embodiments, a rotating component is further arranged at the position where the guiding component 5 is connected with the movable component 5, and the rotating component is rotationally connected with the movable component and fixedly connected with the guiding component and the sensor bracket, so that the guiding component and the sensor bracket can be driven to axially rotate relative to the movable component; thereby realizing a change in the detection angle of the sensor probe 1.

As can be seen from the above description, the temperature and humidity online detection device for the sand mixer according to the present embodiment is configured to detect the moisture and temperature of the molding sand by extending the sensor probe into the sand mixer through the oil cylinder, and to realize accurate water adding amount through calculation of detection data. The technical effects are shown in the summary of the utility model and will not be described in detail herein.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The online temperature and humidity detection device of the sand mixer is characterized by comprising a protective cover (3), a movable assembly (4) and a guide assembly (5) which are sequentially connected, wherein the protective cover (3) is of a tubular structure, and the end part of the protective cover is open; further comprises:

the sensor bracket (2) is of a cylindrical structure, penetrates through and is connected with the movable assembly (4), one end of the sensor bracket is positioned in the protective cover (3), and can stretch out and draw back inside and outside the end part of the protective cover (3) under the drive of the movable assembly (4), and the other end of the sensor bracket extends to the guide assembly (5);

the sensor probe (1) is positioned at the end part of the sensor bracket (2) and comprises a temperature sensor and a humidity sensor;

the guiding assembly (5) is provided with a strip hole along the extending and retracting direction of the sensor support (2), and a guiding rod (6) penetrating through the strip hole and fixed with the sensor support (2) is arranged in the strip hole.

2. The online temperature and humidity detection device of the sand mixer according to claim 1, wherein a stroke induction component is further arranged outside the guide component (5); the travel induction assembly comprises a follow-up induction switch (100) fixed on the guide rod (6), and a first induction switch (101) and a second induction switch (102) fixed on the side surface of the guide assembly (5); the first inductive switch (101) and the second inductive switch (102) are arranged at intervals; the follow-up inductive switch (100) is mutually inductive with the first inductive switch (101) and the second inductive switch (102).

3. The online temperature and humidity detection device of the sand mixer according to claim 2, wherein the movable component (4) is an oil cylinder for driving the sensor bracket (2) to reciprocate.

4. The online temperature and humidity detection device of the sand mixer according to claim 1, 2 or 3, further comprising an air blowing device (8), wherein the air blowing device (8) is positioned at one end of the protective cover (3) connected with the movable assembly (4), and comprises a plurality of air blowing nozzles uniformly distributed around the central shaft of the sensor bracket (2), and the air blowing nozzles extend into the protective cover (3) and blow towards the direction of the sensor probe (1).

5. The online temperature and humidity detection device for the sand mixer according to claim 4, wherein the air blowing device (8) is arranged above the protective cover (3) at the position, a cover plate (31) is arranged at the opening, and the cover plate (31) is detachably connected with the protective cover (3).

6. The online temperature and humidity detection device for the sand mixer according to claim 4, wherein a cleaning strip (7) is further arranged at an opening at the end part of the protective cover (3), the cleaning strip (7) is arranged around the sensor probe (1), and when the sensor probe (1) stretches, the cleaning strip (7) is in contact with the outer wall surface of the sensor probe (1).

7. The online temperature and humidity detection device of the sand mixer according to claim 1, wherein a sensor guard plate (9) is fixedly installed at the opening of the end part of the protective cover (3) to protect the sensor probe (1).

8. The online temperature and humidity detection device of the sand mixer according to claim 1, wherein a rotating assembly is further arranged at the position where the guiding assembly (5) is connected with the movable assembly (4), the rotating assembly is rotationally connected with the movable assembly (4), is fixedly connected with the guiding assembly (5) and the sensor support (2), and can drive the guiding assembly (5) and the sensor support (2) to axially rotate relative to the movable assembly (4).