CN219265264U

CN219265264U - Discharge door opening detection structure of kneader

Info

Publication number: CN219265264U
Application number: CN202222692874.0U
Authority: CN
Inventors: 韦荣斌; 肖晅; 汪涛
Original assignee: Sichuan Aostar Aluminium Co ltd
Current assignee: Sichuan Aostar Aluminium Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-06-27
Anticipated expiration: 2032-10-12

Abstract

The utility model discloses a discharge door opening detection structure of a kneader, relates to the field of chemical equipment, and solves the problem of high cost of the existing opening detection mode. The technical scheme of the utility model is as follows: the utility model provides a mixing kneader discharge door aperture detects structure, including unable adjustment base and be used for driving the sharp telescopic machanism of discharge door switching, sharp telescopic machanism includes the telescopic link in shell and the shell, and shell rotatable coupling is in unable adjustment base, and the axis direction of discharge door pivoted is parallel with the axis direction of the relative unable adjustment base pivoted of sharp telescopic machanism, and the telescopic link is rotatable coupling with the discharge door, and the shell fixed mounting of sharp telescopic machanism is used for detecting the linear sensor of the displacement of telescopic link relative shell. The utility model converts the detection of the arc displacement of the discharging door into the detection of the linear displacement, and reduces the requirement on a sensor. The utility model is used for driving and controlling the opening of the discharging door, detecting and detecting the opening of the discharging door, and is beneficial to accurately controlling the opening of the discharging door of the kneader.

Description

Discharge door opening detection structure of kneader

Technical Field

The utility model relates to the field of chemical equipment, in particular to a structure for detecting the opening of a discharging door of a kneader.

Background

The kneader is one of key equipments for producing raw anode of carbon for aluminum, and is mainly used for kneading petroleum coke with various granularity and liquid asphalt to form a raw anode paste with certain plasticity. The quality of kneading by the kneader is directly related to the quality of the anode carbon block. One of the main factors influencing the kneading quality is kneading time, which is directly related to the weight of the materials in the kneading disc, and in order to control the weight of the materials in the kneading disc, the opening of a discharging door needs to be accurately detected, so that the height of the materials in the kneading disc is accurately controlled.

The traditional detection mode of the discharge door opening of the kneader is that a speed-changing gear is adopted to convert the high-speed rotating speed of a motor for controlling the discharge door opening into the low-speed rotating speed, then a synchronous belt is used for driving a potentiometer to convert the rotating speed into a resistance signal, finally the resistance signal is converted into a standard milliamp signal, the milliamp signal is sent to a controller to display the discharge door opening signal, and the discharge door opening signal is expressed in percentage. The traditional detection mode of the opening degree of the discharging door of the kneader relates to more equipment, more lubrication maintenance points, complex control, low control precision, low stability and higher cost.

The patent with publication number CN 212119879U discloses a carbon kneading automation device, which comprises a kneading pot body, wherein a discharging door is arranged on a door at the bottom of the kneading pot body, a discharging door position detection switch for detecting the opening degree of the discharging door is arranged on the discharging door, and the discharging door position detection switch is a Hall sensor. The discharge door position detection switch is fixedly arranged on the discharge door and moves along the arc direction along with the discharge door, so that a precise sensor, such as a Hall sensor, is required to be selected, and the problem of high cost exists.

Disclosure of Invention

The utility model provides a discharge door opening detection structure of a kneader, which solves the problem of high cost of the existing opening detection mode.

The technical scheme adopted by the utility model is as follows: the utility model provides a kneading machine discharge door aperture detects structure, including unable adjustment base and be used for driving the sharp telescopic machanism of discharge door switching, sharp telescopic machanism includes the shell and is located the telescopic link of shell, and the shell rotatable coupling is in unable adjustment base, and the axis direction of discharge door pivoted is parallel with the axis direction of the relative unable adjustment base pivoted of sharp telescopic machanism, and the exposed end of telescopic link is rotatable with the discharge door and is connected, and the shell fixed mounting of sharp telescopic machanism is used for detecting the linear sensor of the displacement of telescopic link relative shell.

Further is: the linear telescopic mechanism is a hydraulic cylinder and a telescopic rod piston rod.

Further is: the discharging door is fixedly connected with a switching rod near the rotating shaft, and the switching rod is rotatably connected with the telescopic end of the telescopic rod.

Further is: the linear sensor is fixedly arranged at one end of the shell, which is close to the exposed end of the telescopic rod.

Specific: the linear sensor is provided with a positioning magnet which is fixed at the exposed end of the telescopic rod, and the linear sensor and the positioning magnet are in the same straight line.

Further is: one end of the shell, which is close to the exposed end of the telescopic rod, is fixedly provided with a sensor bracket, and the linear sensor is fixedly arranged on the sensor bracket.

Specific: the sensor support comprises a fan-shaped mounting plate and a mounting seat fixedly connected to one side of the mounting plate, the mounting plate is fixedly mounted on the shell, and the linear telescopic mechanism is fixedly mounted on the mounting seat.

More specifically: the mounting plate is provided with at least two connecting holes and is fixed on the shell through bolts; the mounting seats are provided with mounting holes at intervals along the telescopic direction of the telescopic rod, and the linear sensor is fixed in the mounting holes of the mounting seats through bolts.

The beneficial effects of the utility model are as follows: the opening detection structure of the discharging door of the kneader converts the detection of the arc displacement of the discharging door into the detection of the linear displacement, so that the requirements on the sensor are reduced, and the requirements can be met only by the linear sensor. The linear telescopic mechanism is hinged to the fixed base, the linear telescopic mechanism can rotate around the fixed base, a telescopic rod of the linear telescopic mechanism is rotatably connected with the discharging door, and the opening of the discharging door can be driven and controlled by linear motion of the telescopic rod relative to the shell. The linear sensor is fixedly arranged on the linear telescopic mechanism, directly detects the displacement of the telescopic rod position, and indirectly obtains the opening data of the discharging door. The linear sensor detects the variable quantity of the telescopic displacement of the telescopic rod and does not move in the circular arc direction, so that the requirement on the linear sensor is low, the part cost and the maintenance cost are reduced, and the linear sensor is simple in structure, high in control precision and good in stability. The linear telescopic mechanism is a hydraulic cylinder, the technology is mature and stable, the control is carried out according to the data obtained by the linear sensor, and the opening of the discharging door can be accurately and accurately controlled in time.

Drawings

FIG. 1 is a schematic view of the structure for detecting the opening degree of the discharge door of the kneader according to the present utility model.

FIG. 2 is a schematic view of the structure of the sensor holder of the discharge door opening detecting structure of the kneader of the present utility model.

Fig. 3 is a right side view of fig. 2.

Fig. 4 is a left side view of fig. 2.

Reference numerals: the automatic discharging device comprises a fixed base 1, a discharging door 2, a shell 3, a telescopic rod 4, a linear sensor 5, a switching rod 6, a positioning magnet 7, a sensor bracket 8, a mounting plate 8-1 and a mounting seat 8-2.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

The discharge door opening detection structure of the kneader is used for driving and controlling the opening of the discharge door and detecting the opening of the discharge door so as to accurately control the opening of the discharge door according to requirements. As shown in FIG. 1, the opening detection structure of the discharging door of the kneader comprises a fixed base 1 and a linear telescopic mechanism for driving the discharging door 2 to open and close, wherein the linear telescopic mechanism comprises a shell 3 and a telescopic rod 4 positioned in the shell 3, and the telescopic rod 4 can stretch and retract compared with the shell 3. For example, the linear telescopic mechanism may be a hydraulic cylinder or a pneumatic cylinder, and the piston rod is the telescopic rod 4. The fixed base 1 is fixedly arranged relative to the kneader and is used for bearing and fixing the linear telescopic mechanism. The shell 3 of the linear telescopic mechanism is hinged to the fixed base 1, the whole linear telescopic mechanism can rotate around the fixed base 1, one part of the telescopic rod 4 is located in the shell 3, the other part of the telescopic rod 4 is located outside the shell 3, and the exposed end of the telescopic rod 4 is rotatably connected with the unloading door 2.

The discharge gate 2 may be located at the bottom of the kneader, as shown in fig. 1, or may be located at the side wall of the kneader. The axis direction of the rotation of the discharging door 2 is parallel to the axis direction of the rotation of the linear telescopic mechanism relative to the fixed base 1, and the telescopic rod 4 is rotatably connected with the discharging door 2, so that the purpose that the linear telescopic mechanism drives the discharging door 2 to open and close is realized. The telescopic rod 4 can be directly rotatably connected with the discharging door 2, or referring to fig. 1, in order to facilitate arrangement of the linear telescopic mechanism, the discharging door 2 is fixedly connected with the switching rod 6 near the rotating shaft thereof, the switching rod 6 is relatively fixed with the discharging door 2 and synchronously rotates, and the switching rod 6 is rotatably connected with the telescopic end of the telescopic rod 4.

The linear sensor 5 is fixedly arranged on the shell 3 of the linear telescopic mechanism, and the linear sensor 5 is used for detecting the displacement of the telescopic rod 4 relative to the shell 3. The linear sensor 5 is fixedly arranged on the linear telescopic mechanism, the telescopic displacement of the telescopic rod 4 is directly detected, and the detected data can reflect the opening of the discharging door 2. To facilitate detection by the linear sensor 5, the linear sensor 5 is fixedly mounted to the end of the housing 3 adjacent to the exposed end of the telescopic rod 4, as shown in fig. 1. The linear sensor 5 is existing, for example, the linear sensor 5 is provided with a positioning magnet 7, the positioning magnet 7 is fixed at the exposed end of the telescopic rod 4, the linear sensor 5 and the positioning magnet 7 are in the same straight line, the accurate detection of the displacement of the positioning magnet 7 by the linear sensor 5 is ensured, and the purpose of accurate detection is achieved. The linear sensor 5 and the positioning magnet 7 adopt a non-contact detection mode, so that the problem of friction and abrasion of the contact detection mode is avoided.

In order to facilitate the stable installation of the linear sensor 5, the linear sensor 5 is fixedly installed to the linear telescoping mechanism through a sensor bracket. Specifically, the sensor bracket 8 is fixedly mounted at one end of the housing 3, which is close to the exposed end of the telescopic rod 4, and the linear sensor 5 is fixedly mounted on the sensor bracket 8. For example, referring to fig. 2 to 4, the sensor bracket 8 includes a mounting plate 8-1 having a fan shape and a mounting seat 8-2 fixedly connected to one side of the mounting plate 8-1, and a plane of the mounting plate 8-1 is perpendicular to a plane of the mounting seat 8-2. The mounting plate 8-1 is in a fan shape, so that the mounting plate is convenient to fixedly mount on the shell 3; the mount 8-2 is used to mount the linear sensor 5 so that its structure is adapted to the linear sensor 5. For example, the mounting plate 8-1 and the mounting seat 8-2 are all made of steel plates and are welded, the mounting plate 8-1 is made of steel plates with the thickness of 6mm, and the mounting plate 8-1 is provided with at least two connecting holes and is fixed at the end part of the shell 3 through bolts; the mounting seat 8-2 is provided with a plurality of mounting holes along the telescopic direction of the telescopic rod 4 at intervals, the linear sensor 5 is fixed in the mounting hole of the mounting seat 8-2 through bolts, and the mounting position of the linear sensor 5 is adjustable, so that the mounting position of the linear sensor 5 can be conveniently adjusted and debugged according to actual adjustment.

Claims

1. Mixing kneader discharge gate aperture detects structure, its characterized in that: including unable adjustment base (1) and be used for driving the sharp telescopic machanism of unloading door (2) switching, sharp telescopic machanism includes shell (3) and is located telescopic link (4) of shell (3), shell (3) rotatable coupling is in unable adjustment base (1), the axis direction of unloading door (2) pivoted is parallel with the axis direction of the relative unable adjustment base (1) pivoted of sharp telescopic machanism, the exposed end of telescopic link (4) is rotatable coupling with unloading door (2), the shell (3) fixed mounting of sharp telescopic machanism is used for detecting linear sensor (5) of the displacement volume of telescopic link (4) relative shell (3).

2. The kneader discharge gate opening detection structure as claimed in claim 1, characterized in that: the linear telescopic mechanism is a hydraulic cylinder, and the telescopic rod (4) is a piston rod.

3. The kneader discharge gate opening detection structure as claimed in claim 1, characterized in that: the discharging door (2) is fixedly connected with a switching rod (6) near the rotating shaft, and the switching rod (6) is rotatably connected with the telescopic end of the telescopic rod (4).

4. The kneader discharge gate opening detection structure as claimed in claim 1, characterized in that: the linear sensor (5) is fixedly arranged at one end of the shell (3) close to the exposed end of the telescopic rod (4).

5. The kneader discharge gate opening detection structure as claimed in claim 1, characterized in that: the linear sensor (5) is provided with a positioning magnet (7), the positioning magnet (7) is fixed at the exposed end of the telescopic rod (4), and the linear sensor (5) and the positioning magnet (7) are in the same straight line.

6. The kneader discharge gate opening detection structure as defined in any one of claims 1 to 5, characterized in that: one end of the shell (3) close to the exposed end of the telescopic rod (4) is fixedly provided with a sensor bracket (8), and the linear sensor (5) is fixedly arranged on the sensor bracket (8).

7. The kneader discharge gate opening detection structure as claimed in claim 6, characterized in that: the sensor bracket (8) comprises a fan-shaped mounting plate (8-1) and a mounting seat (8-2) fixedly connected to one side of the mounting plate (8-1), wherein the mounting plate (8-1) is fixedly arranged on the shell (3), and the linear telescopic mechanism is fixedly arranged on the mounting seat (8-2).

8. The kneader discharge gate opening detection structure as claimed in claim 7, characterized in that: the mounting plate (8-1) is provided with at least two connecting holes and is fixed on the shell through bolts; the mounting seats (8-2) are provided with mounting holes at intervals along the telescopic direction of the telescopic rod (4), and the linear sensor (5) is fixed in the mounting holes of the mounting seats (8-2) through bolts.