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CN-224222714-U - Low pressure casting lift pipe heat preservation device

CN224222714UCN 224222714 UCN224222714 UCN 224222714UCN-224222714-U

Abstract

The utility model discloses a low-pressure casting liquid lifting pipe heat preservation device, which comprises a liquid storage tank, wherein a heat preservation sleeve is fixedly arranged at the upper part of the liquid storage tank, a liquid lifting pipe is arranged in the heat preservation sleeve, the liquid lifting pipe is fixedly arranged in the liquid storage tank, an annular cover plate is sleeved on the liquid lifting pipe, the annular cover plate can cover an opening at the top of the heat preservation sleeve, when the pressure is increased in the tank, molten metal can rise in the heat preservation sleeve and the liquid lifting pipe at the same time, the molten metal in the heat preservation sleeve can play a certain heat preservation effect on the liquid lifting pipe, when the liquid level of the heat preservation sleeve rises to a certain height, the top of the heat preservation sleeve is closed by rotating the annular cover plate, and only the molten metal in the liquid lifting pipe can be further lifted and injected into a mould.

Inventors

  • HE LEWEI

Assignees

  • 舟山市定海宏盛实业有限公司

Dates

Publication Date
20260512
Application Date
20250609

Claims (5)

  1. 1. The low-pressure casting liquid lifting pipe heat preservation device is characterized by comprising a liquid storage tank (10), wherein a heat preservation sleeve (11) is fixedly arranged on the upper portion of the liquid storage tank (10), a liquid lifting pipe (12) is arranged in the heat preservation sleeve (11), the liquid lifting pipe (12) is fixedly arranged in the liquid storage tank (10), an annular cover plate (16) is sleeved on the liquid lifting pipe (12), and the annular cover plate (16) can cover an opening at the top of the heat preservation sleeve (11).
  2. 2. The low-pressure casting liquid lifting tube (12) heat preservation device according to claim 1, wherein the bottom of the liquid lifting tube (12) is fixedly arranged at the bottom of the liquid storage tank (10) through a fixing frame (14), and the top of the liquid lifting tube (12) extends out of the heat preservation sleeve (11) and is fixedly arranged at the top of the liquid storage tank (10) through a fixing frame (13).
  3. 3. The low-pressure casting liquid lifting tube (12) heat preservation device according to claim 1, wherein a threaded ring (15) is fixedly arranged on the outer wall of the liquid lifting tube (12), the threaded ring (15) is arranged at an upper opening of the heat preservation sleeve (11), a sealing ring (17) is fixedly arranged on the lower side of the annular cover plate (16), and the sealing ring (17) is in threaded connection with the outer side of the threaded ring (15).
  4. 4. The low pressure casting lift tube (12) heat preservation device according to claim 1, wherein the side wall of the liquid storage tank (10) is provided with an air inlet (20).
  5. 5. The low-pressure casting lift tube (12) heat preservation device according to claim 2, wherein a motor (18) is fixedly installed on the installation frame (13), a gear (19) is fixedly installed on a rotating shaft of the motor (18), a toothed ring is arranged on the outer side of the annular cover plate (16) and can be meshed with the gear (19), and the annular cover plate (16) can be driven to rotate through the motor (18).

Description

Low pressure casting lift pipe heat preservation device Technical Field The utility model relates to the technical field of low-pressure casting, in particular to a low-pressure casting liquid lifting pipe heat preservation device. Background In the low-pressure casting process, molten metal rises from a raw material box along a liquid lifting pipe into a die, part of pipelines are exposed, and part of heat is emitted when the molten metal passes through the pipelines, so that the molten metal entering the die is insufficient in temperature and poor in fluidity, and finished product defects are caused. Disclosure of utility model Aiming at the defects existing in the prior art, the utility model aims to provide a low-pressure casting liquid lifting pipe heat preservation device, which solves the existing pain point in the field. The technical aim of the utility model is realized by the following technical scheme: The utility model provides a low pressure casting stalk heat preservation device, includes the liquid reserve tank, liquid reserve tank upper portion fixed mounting has the heat preservation cover, be provided with the stalk in the heat preservation cover, stalk fixed mounting in the liquid reserve tank, the cover is equipped with annular apron on the stalk, annular apron can cover heat preservation cover open-top. Further, the bottom of the liquid lifting pipe is fixedly arranged at the bottom of the liquid storage tank through a fixing frame, and the top of the liquid lifting pipe extends out of the heat insulation sleeve and is fixedly arranged at the top of the liquid storage tank through a fixing frame. Further, a threaded ring is fixedly installed on the outer wall of the liquid lifting tube, the threaded ring is arranged at the upper opening of the heat insulation sleeve, a sealing ring is fixedly installed on the lower side of the annular cover plate, and the sealing ring is in threaded connection with the outer side of the threaded ring. Further stated, the side wall of the liquid storage tank is provided with an air inlet. Further, the motor is fixedly installed on the installation frame, the gear is fixedly installed on the motor rotating shaft, the toothed ring is arranged on the outer side of the annular cover plate and can be meshed with the gear, and the annular cover plate can be driven to rotate through the motor. In summary, compared with the prior art, the utility model has the beneficial effects that when the pressure is increased in the box, the metal liquid in the heat preservation sleeve and the liquid lifting pipe are lifted at the same time, the metal liquid in the heat preservation sleeve can play a certain heat preservation role on the liquid lifting pipe, when the liquid level of the heat preservation sleeve is lifted to a certain height, the annular cover plate is rotated to close the top of the heat preservation sleeve, and only the metal liquid in the liquid lifting pipe can be further lifted and injected into the mould. Drawings The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present utility model will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. Several embodiments of the present utility model are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which: FIG. 1 is a schematic diagram of a low pressure casting lift tube thermal insulation device; fig. 2 is a partially enlarged schematic view of fig. 1 at a. The reference numerals are 10, a liquid storage tank, 11, a thermal insulation sleeve, 12, a liquid lifting pipe, 13, a mounting rack, 14, a fixing rack, 15, a threaded ring, 16, an annular cover plate, 17, a sealing ring, 18, a motor, 19, a gear, 20 and an air inlet. Detailed Description The utility model is described in further detail below with reference to the accompanying drawings. The utility model provides a low pressure casting stalk heat preservation device, includes liquid reserve tank 10, liquid reserve tank 10 upper portion fixed mounting has insulation cover 11, be provided with stalk 12 in the insulation cover 11, stalk 12 bottom pass through mount 14 fixed mounting in liquid reserve tank 10 bottom, liquid reserve tank 10 is equipped with the metal liquid, insulation cover 11 with stalk 12 lower extreme all submergence in the metal liquid, stalk 12 top stretches out outside insulation cover 11 and through mounting bracket 13 fixed mounting in liquid reserve tank 10 top, stalk 12 top can insert in the casting mould, stalk 12 outer wall goes up fixed mounting and has screwed ring 15, screwed ring 15 set up in insulation cover 11 upper shed department, stalk 12 goes up the cover and is equipped with annular cover 16, annular cover 16 downside fixed mounting has sealing ring 17, sealing ring 17 with screwed connection in the outside of screwed ring 15, annular cover 16