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          Low temperature wax injection machine is a device mainly used in the wax mold making process of water glass technology in the precision casting industry. The following is a detailed introduction to the low-temperature wax injection machine:
1、 Working principle
Taking the fully automatic low-temperature wax injection machine as an example, when the wax pressing cylinder works upwards, the wax paste in the wax storage tank is sucked into the wax storage cylinder through the wax inlet pipe, and when the wax pressing cylinder works downwards, the wax paste in the wax storage cylinder is discharged into the mold groove through the wax conveying pipe and the wax nozzle. Then start the mold cylinder, causing the hydraulic plate to drive the mold plate to slide downwards on the hydraulic slide column, pressing the mold plate into the mold groove to form the wax paste. After the wax paste is formed, control the mold cylinder to drive the hydraulic plate to move the mold groove upward, and then push the mold groove push plate to facilitate the discharge of the wax paste formed in the mold groove.
2、 Structural composition
1. Wax storage part: including wax storage bucket, constant temperature box, and wax storage tank, etc. The wax storage bucket is used to store wax paste, and the constant temperature box can maintain the temperature stability of the wax paste. The wax storage cylinder, under the action of the wax pressing cylinder, realizes the suction and discharge of the wax paste.
2. Die pressing part: There are die pressing cylinders, hydraulic sliding columns, hydraulic plates, and die plates. The mold cylinder drives the mold plate to move on the hydraulic slide column through the hydraulic plate, achieving the pressing and demolding operation of the wax paste in the mold groove.
3. Control part: such as PLC controller, can accurately control the various actions of the wax injection machine, ensuring the accuracy and stability of the wax injection process.
4. Other auxiliary parts: including wax injection fixtures, induction devices, etc. The wax injection fixture can move the wax injection port horizontally and vertically, making it easy to align with the mold casting port; The sensing device can sense and provide feedback to the PLC controller when the operator takes out the wax mold after the wax injection is completed, to avoid the operator being injured by the downward movement of the upper template.
3、 Equipment features
1. High degree of automation: For example, the low-temperature wax fully automatic multi station wax injection machine uses a main control circuit to connect multiple wax injection machines. Under the control of the PLC controller, each component of the wax injection machine can automatically perform a series of tasks, reducing the number of operators and improving work efficiency.
2. Stable wax mold quality: In the molding device, the upper and lower molds of the mold are fixed between the upper and lower templates by bolts, and the molding cylinder can compact the upper and lower molds more tightly together, ensuring the quality of the wax mold.
3. Good safety: Some low-temperature wax injection machines are equipped with induction devices, which can sense and feedback to the PLC controller when the operator takes out the wax mold after the wax injection is completed, which can prevent the operator from being injured by the upward and downward movement of the template.
4. High production efficiency: Some low-temperature wax injection machines use a cooling box set in the lower mold to remove the heat of the wax tool through liquid flow, and at the same time, cooperate with a blower to blow air towards the upper mold, accelerating the cooling of the upper mold, so that the outer surface of the wax tool can be quickly cooled and shaped, thereby improving production efficiency.