CN212206870U

CN212206870U - Sand mould forming control device

Info

Publication number: CN212206870U
Application number: CN201922384272.7U
Authority: CN
Inventors: 王莹麟; 李彦兵; 张伟
Original assignee: Suzhou Ishikawa Iron Manufacturing Co ltd
Current assignee: Suzhou Ishikawa Iron Manufacturing Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-12-22
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a sand mould shaping controlling means, including molding machine, controller, be equipped with positive clamp plate, back pressure plate in the molding machine, positive clamp plate, back pressure plate form the sand die cavity, be equipped with power device in the molding machine, power device promotes positive clamp plate and back pressure plate extrusion sand die cavity, the first pressure sensor of positive clamp plate installation, back pressure correspond installation second pressure sensor, first pressure sensor and second pressure sensor are connected with the wireless transmitter electricity, and the controller includes the wireless receiver who is connected with the control unit, and wireless receiver accepts the signal of wireless transmitter transmission. Because the positive pressure plate and the negative pressure plate in the molding machine are both provided with the pressure sensors, the pressure of the sand mold can be effectively detected in the forming process of the sand mold, the strength of the produced sand mold is ensured to be in a certain range, the size deviation of the product is effectively reduced, the surface of the produced product is smoother, and the yield of the product is improved.

Description

Sand mould forming control device

Technical Field

The utility model belongs to the technical field of the casting technique and specifically relates to a sand mould shaping controlling means.

Background

A very important parameter value of the vertical molding machine during molding is the strength of the sand mold, the conventional molding machine does not have the detection, and the strength of each box of the sand mold cannot be continuously detected, so that a defect is brought to the production of China. The sand mold strength cannot be detected in real time, and the sand mold strength may be too high or too low in production. Thus, the produced product has the defects of product size deviation, rough surface, fleshiness and meat deficiency. The product yield is seriously influenced. Causing yield and economic losses to the company.

SUMMERY OF THE UTILITY MODEL

In view of the problem that above-mentioned prior art exists, the utility model aims to provide a sand mould shaping controlling means makes and to monitor sand mould intensity with regard to real-time high efficiency, prevents effectively that the not up to standard sand mould of intensity from appearing, reduces the product defective rate.

The purpose of the utility model is realized by adopting the following technical scheme:

a sand mold forming control device comprises a molding machine and a controller, wherein a positive pressure plate and a negative pressure plate are arranged in the molding machine, a sand cavity is formed by the positive pressure plate and the negative pressure plate, a power device is arranged in the molding machine and pushes the positive pressure plate and the negative pressure plate to extrude the sand cavity, a first pressure sensor is installed on the positive pressure plate, a second pressure sensor is installed on the negative pressure plate correspondingly, the first pressure sensor and the second pressure sensor are electrically connected with a wireless transmitter, the controller comprises a wireless receiver connected with a control unit, and the wireless receiver receives signals transmitted by the wireless transmitter.

Furthermore, the number of the first pressure sensors and the number of the second pressure sensors are both 8, and the first pressure sensors are distributed in a 2X4 matrix.

Furthermore, the controller also comprises a control unit, a human-computer interaction interface and an alarm device, wherein the control unit receives signals of the wireless receiver, processes data and displays the data through the human-computer interface.

Further, the alarm device is an alarm lamp.

Further, the human-computer interaction interface comprises a setting module, and the setting module transmits the set upper limit and lower limit data of the pressure sensor to the control unit.

Further, the control unit is a PLC.

Adopt above-mentioned technical scheme, the utility model discloses following technological effect has:

because the positive pressure plate and the negative pressure plate in the molding machine are both provided with the pressure sensors, the pressure of the sand mold can be effectively detected in the forming process of the sand mold, the strength of the produced sand mold is ensured to be in a certain range, the size deviation of the product is effectively reduced, the surface of the produced product is smoother, and the yield of the product is improved.

Drawings

Fig. 1 is a schematic view of the structure of the embodiment of the present invention.

Fig. 2 is a schematic structural view of a positive pressure plate according to an embodiment of the present invention.

Fig. 3-5 are diagrams of touch screens according to embodiments of the present invention.

Fig. 6-9 are electrical diagrams of embodiments of the present invention.

The molding machine comprises a vertical molding machine 1, a controller 2, a positive pressure plate 3, a back pressure plate 4, a sand mold cavity 5, a first pressure sensor 31, a second pressure sensor 32, a power device 9, a wireless transmitter 6, a wireless receiver 24, a control unit 21, a human-computer interaction interface 22 and an alarm device 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

A sand mold forming control device comprises a vertical molding machine 1 and a controller 2, wherein a positive pressure plate 3(PP) and a back pressure plate 4(SP) are arranged in the molding machine, the positive pressure plate 3 and the back pressure plate 4 form a sand cavity 5, a power device 9 is arranged in the molding machine, and the power device 9 pushes the positive pressure plate and the back pressure plate to extrude the sand cavity 5, so that a sand mold is formed.

16 pressure sensors are arranged on the PP SP mould, 8 PP mould plates are arranged, and 8 SP mould plates are arranged. The positive pressure plate is provided with a first pressure sensor 31, the counter pressure plate is provided with a second pressure sensor 41, and the second pressure sensor is arranged corresponding to the first pressure sensor. The first pressure sensor and the second pressure sensor are electrically connected with the wireless transmitter, and the wireless transmitter 6 and the pressure sensors 31 and 41 are both powered by a 24V power supply.

The controller comprises a control unit 21, a human-computer interaction interface 22, an alarm device 23 and a wireless receiver 24 connected with the control unit, in the embodiment, the human-computer interaction interface comprises a touch screen, the control unit is a PLC, the alarm device comprises an alarm lamp, the pressure sensors 31 and 41 transmit measured data to the external wireless receiver 24 through the wireless transmitter 6, the wireless receiver 24 receives signals transmitted by the wireless transmitter 6, then transmits the data to an analog quantity module of the PLC, and simultaneously displays the measured data values on the touch screen.

The PLC is internally programmed to analyze and compare the obtained pressure data, the pressure data is displayed normally in a normal range and records the data, the pressure data is displayed abnormally and alarms and records outside the normal range, and when the data is abnormal, one alarm alarms and displays a red alarm lamp 23.

In this embodiment, data measured by the 16 pressure sensors 1 can be displayed and viewed through the touch screen 6, and the touch screen 6 can simultaneously display data of the 16 pressure sensors 1. The human-computer interface comprises a setting module, a user can set the upper limit value and the lower limit value of each datum, and when the data detected by the sensor exceeds any one of the upper limit value and the lower limit value, an alarm can be given. The history can be viewed and compared with the 16 sensor 1 data by a graph display in the touch screen 6. The personnel can check and trace conveniently.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A sand mold forming control device is characterized by comprising a molding machine and a controller, wherein a positive pressure plate and a back pressure plate are arranged in the molding machine, a sand cavity is formed by the positive pressure plate and the back pressure plate, a power device is arranged in the molding machine, the power device pushes the positive pressure plate and the back pressure plate to extrude the sand cavity, a first pressure sensor is installed on the positive pressure plate, a second pressure sensor is installed on the back pressure plate correspondingly, the first pressure sensor and the second pressure sensor are electrically connected with a wireless transmitter, the controller comprises a wireless receiver connected with a control unit, and the wireless receiver receives signals transmitted by the wireless transmitter.

2. A sand molding control device according to claim 1, wherein the number of the first pressure sensors and the number of the second pressure sensors are 8, and the first pressure sensors are distributed in a 2X4 matrix.

3. A sand moulding control device according to claim 1, wherein the controller further comprises a control unit, a human-computer interface and an alarm device, the control unit receives signals from the wireless receiver, processes the data and displays the processed data through the human-computer interface.

4. A sand molding control apparatus according to claim 3, wherein the alarm device is an alarm lamp.

5. A sand moulding control device according to claim 3, wherein the human-machine interface comprises a setting module which transmits the set upper and lower pressure sensor limit data to the control unit.

6. A sand molding control device according to claim 3, wherein the control unit is a PLC.