CN220818576U

CN220818576U - Baking device for sand mold hot air blower

Info

Publication number: CN220818576U
Application number: CN202322636456.4U
Authority: CN
Inventors: 孟楠; 侯广乾; 刘勇刚
Original assignee: Niuwei Industrial Material Suzhou Co ltd
Current assignee: Niuwei Industrial Material Suzhou Co ltd
Priority date: 2023-09-27
Filing date: 2023-09-27
Publication date: 2024-04-19
Anticipated expiration: 2033-09-27

Abstract

The application discloses a baking device for a sand mold hot air blower, which comprises: air-out mechanism, bellows, stainless steel swing arm, high temperature resistant ball valve, stand, base. The air outlet mechanism is used for providing hot air. The air inlet end of the corrugated pipe is communicated with the air outlet of the air outlet mechanism. One end of the stainless steel swing arm is communicated with the air outlet end of the corrugated pipe, and the other end of the stainless steel swing arm is communicated with an external ventilating pipeline. The high temperature resistant ball valve is arranged in the stainless steel swing arm and used for controlling the on-off of the stainless steel swing arm. The stand is vertically arranged, and the top end is connected with the lower wall of the stainless steel swing arm. The inside bearing that is equipped with the vertical setting of axial of base, the bottom and the bearing of stand are connected, and the bottom of base is equipped with the gyro wheel. The application is used for solving the technical problems of lower air outlet speed and lower air outlet temperature of the existing sand mold air heater baking device.

Description

Baking device for sand mold hot air blower

Technical Field

The application relates to the technical field of sand mold air heater baking devices, in particular to a sand mold air heater baking device.

Background

The air heater is an important ventilation heating device indispensable to the casting industry and consists of three major departments of an air blower, a heater and a control circuit. The air heater belongs to high-power equipment, and needs fixed position after being connected with a power supply, and movement is not recommended. The air heater is widely applied and the sand mould toasts, when using, a hot-air machine toasts a plurality of sand moulds, and sand mould air heater toasting device is fixed to be set up, then communicates a plurality of air pipes and air heater, and the air pipe uses the air heater as the center to radial all around, and air pipe's end is aimed at the sand mould and toasts, and the range that can toast is for taking air pipe as radial sector area, if toast to the sand mould that will be more remote, can only increase air pipe's length, and air pipe's length is too long then can lead to air pipe terminal temperature and wind speed straight line decline, leads to the quality of toasting to reduce.

Disclosure of utility model

The application aims to solve the following problems: the existing sand mold air heater baking device has the technical problems of low air outlet speed and low air outlet temperature. Thereby providing a baking device for the sand mold hot air blower.

In order to solve the technical problems, the technical scheme of the application is as follows: a sand mold hot air blower baking device, comprising:

the air outlet mechanism is used for providing hot air;

the air inlet end of the corrugated pipe is communicated with the air outlet of the air outlet mechanism;

One end of the stainless steel swing arm is communicated with the air outlet end of the corrugated pipe, and the other end of the stainless steel swing arm is communicated with an external ventilating duct;

The high-temperature-resistant ball valve is arranged in the stainless steel swing arm and is used for controlling the on-off of the stainless steel swing arm;

The upright post is vertically arranged, and the top end of the upright post is connected with the lower wall of the stainless steel swing arm;

The base, inside is equipped with the bearing of the vertical setting of axial, the bottom of stand with the bearing is connected, the bottom of base is equipped with the gyro wheel.

Preferably, a supporting tube is connected to the periphery of the stainless steel swing arm, and the supporting tube is connected with the upright post.

Preferably, the support tube is detachably connected with the stainless steel swing arm.

Preferably, the support tube comprises an upper tube sheet and a lower tube sheet which are arranged in an up-down symmetrical mode, a gap is reserved between the upper tube sheet and the lower tube sheet, ear plates are arranged on the side edges of the upper tube sheet and the lower tube sheet, and the ear plates which are opposite to each other up and down are connected through screw threads.

Preferably, the device further comprises a hanging frame, wherein the hanging frame is arranged below the supporting tube and used for supporting the supporting tube, and the hanging frame is hung through a movable supporting frame.

Preferably, the hanging frames are vertically arranged in the axial direction of the supporting tube, and a plurality of hanging frames are sequentially arranged at intervals along the extending direction of the supporting tube.

Preferably, the air conditioner further comprises a first elbow, two ends of the first elbow are respectively communicated with the air outlet mechanism and the corrugated pipe, the bending degree of the first elbow is 90 degrees, and the inner wall of the corner of the first elbow is provided with a rounding angle.

Preferably, the stainless steel swing arm further comprises a baking head, wherein the baking head is arranged at an air outlet of the stainless steel swing arm.

Preferably, the stainless steel baking device further comprises a second elbow, two ends of the second elbow are respectively communicated with the stainless steel swing arm and the baking head, the bending degree of the second elbow is 90 degrees, and the inner wall of the corner of the second elbow is provided with a rounding angle.

Preferably, the air outlet mechanism is in sealing connection with the corrugated pipe through a flange and an elastic rubber pad, and the corrugated pipe is welded with the stainless steel swing arm in an argon arc mode.

The technical scheme of the application has the following advantages:

1. The hot air blown by the air outlet mechanism is baked on the sand mold through the corrugated pipe, the stainless steel swing arm and the external ventilating duct, and the on-off of the stainless steel swing arm can be controlled through the high-temperature resistant ball valve. When other sand molds need to be baked, the stand column can be axially rotated, the stand column drives the stainless steel swing arm to rotate, and the stainless steel swing arm drives the ventilating duct to rotate, so that an air outlet of the ventilating duct is aligned with another sand mold. In the baking device of the sand mold air heater, a closed space which is airtight and can bear certain pressure is formed in the corrugated pipe and the stainless steel swing arm. High-temperature gas in the air-out mechanism is temporarily stored in the stainless steel swing arm through the corrugated pipe, certain pressure is accumulated, the effect of converging heat and wind speed is achieved, when the high-temperature-resistant ball valve is opened, the high-temperature high-pressure gas in the stainless steel swing arm enters the sand mold through the ventilating duct, the baking temperature and the baking wind speed are improved, and further the baking quality is improved. Compared with a ventilating duct, the inner wall of the stainless steel swing arm is very smooth, so that the resistance in the duct is reduced, the pressure loss can be reduced, and the loss of wind speed can be reduced. In addition, because the thermal expansion coefficient of the stainless steel is very low, the heat energy loss of the stainless steel swing arm can be reduced in the using process.

2. The intensity of the material behind the stainless steel swing arm is heated reduces, encloses the protection to the stainless steel swing arm through the stay tube, and the stores pylon carries out the bearing to the stay tube, prevents that stainless steel swing arm local atress from too big leading to deformation.

3. The first elbow is arranged at the communication position of the air outlet mechanism and the corrugated pipe, the inner wall of the corner of the first elbow is a rounding angle, the second elbow is arranged at the communication position of the stainless steel swing arm and the baking head, the inner wall of the corner of the second elbow is a rounding angle, and thus the communication position of the air outlet mechanism and the corrugated pipe and the pipeline of the communication position of the stainless steel swing arm and the baking head are prevented from being bent and deformed, so that the ventilation air duct is reduced, and the air outlet efficiency is further influenced.

4. The air outlet mechanism is in sealing connection with the corrugated pipe through the flange and the elastic rubber cushion, so that the tightness is improved, and heat and wind speed and pressure loss are prevented. The corrugated pipe and the stainless steel swing arm are welded in an argon arc mode, the connection tightness is strong, and the corrugated pipe is not easy to damage.

Drawings

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

FIG. 1 is a schematic diagram of the overall structure of a sand-type air heater baking device according to an embodiment of the present application;

FIG. 2 is a right side cross-sectional view of a stainless steel swing arm in an embodiment of the application;

FIG. 3 is a schematic view of the working range of a conventional sand mold hot air baking device;

fig. 4 is a schematic view of a working range of a baking device for a sand mold hot air blower according to an embodiment of the present application.

Reference numerals illustrate: 1. a high-pressure fan; 2. an air heater; 3. a first elbow; 4. a bellows; 5. a bearing; 6. a base; 7. a column; 8. stainless steel swing arms; 9. a support tube; 10. a bolt; 11. a hanging rack; 12. a second elbow; 13. a baking head; 14. high temperature resistant ball valve; 15. and a ventilation duct.

Detailed Description

The following description of the embodiments of the present application will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the application are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

Example 1

The embodiment provides a sand mould air heater baking equipment, as shown in fig. 1 and fig. 2, includes: the device comprises an air outlet mechanism, a corrugated pipe 4, a stainless steel swing arm 8, a high-temperature-resistant ball valve 14, an upright post 7 and a base 6. Wherein, go out the fan and construct and be used for providing hot-blast, go out the fan and construct including high-pressure fan 1 and the air heater 2 of mutual intercommunication, air heater 2 and bellows 4 intercommunication, high-pressure fan 1 is used for improving the wind speed of air heater 2.

The two ends of the corrugated pipe 4 are an air inlet end and an air outlet end respectively, and the air inlet end is communicated with an air outlet of the air heater 2. The stainless steel swing arm 8 level is along sharp setting, and the one end of stainless steel swing arm 8 communicates with bellows 4's air-out end, and the other end communicates with external air pipe 15 (air pipe 15 does not belong to the part of this device), and air pipe 15 aims at the sand mould and toasts. The high temperature resistant ball valve 14 is arranged in the stainless steel swing arm 8 and is used for controlling the on-off of the stainless steel swing arm 8. The upright post 7 is vertically arranged, and the top end of the upright post is welded with the lower wall of the stainless steel swing arm 8. The inside bearing 5 that is equipped with the vertical setting of axial of base 6, the bottom and the bearing 5 of stand 7 are connected, and the bottom that the bearing 5 can drive stand 7 axial rotation base 6 is equipped with the gyro wheel.

The application method of the baking device of the sand mold air heater provided by the embodiment is as follows: the hot air blown by the air outlet mechanism toasts the sand mould through the corrugated pipe 4, the stainless steel swing arm 8 and the externally connected ventilating duct 15, and the on-off of the stainless steel swing arm 8 can be controlled through the high-temperature resistant ball valve 14. When other sand molds need to be baked, the upright post 7 can be axially rotated, the upright post 7 drives the stainless steel swing arm 8 to rotate, and the stainless steel swing arm 8 drives the ventilation pipeline 15 to rotate, so that an air outlet of the ventilation pipeline 15 is aligned with the other sand mold. As shown in fig. 3, when the length of the ventilation duct 15 is 4m, the working range of the conventional sand mold hot air baking apparatus is a sector area with a radius of 4 m. As shown in fig. 4, the stainless steel swing arm 8 of the sand mold air heater baking device of the embodiment has a length of 5m, the external ventilating duct 15 has a length of 4m, the working range of the sand mold air heater baking device is a sector area with a radius of 9m, compared with the traditional sand mold air heater baking device, the working range of the sand mold air heater baking device of the embodiment is an area covered by the radius of the length of the stainless steel swing arm 8 plus the length of the external ventilating duct 15, and the working range of the sand mold air heater baking device is larger than that of the traditional sand mold air heater baking device. In the baking device of the sand mold air heater of the embodiment, a closed space which is airtight and can bear certain pressure is formed in the corrugated pipe 4 and the stainless steel swing arm 8. The high-temperature gas in the air-out mechanism is temporarily stored in the stainless steel swing arm 8 through the corrugated pipe 4, a certain pressure is accumulated, the effect of converging heat and wind speed is achieved, when the high-temperature-resistant ball valve 14 is opened, the high-temperature high-pressure gas in the stainless steel swing arm 8 enters the sand mold needing baking through the ventilating duct 15, the baking temperature and wind speed are improved, and the baking quality is further improved. Compared with the ventilating duct 15, the inner wall of the stainless steel swing arm 8 is very smooth, so that the resistance in the duct is reduced, the pressure loss can be reduced, and the loss of wind speed can be reduced. In addition, the stainless steel swing arm 8 can reduce heat energy loss in the use process due to the very low thermal expansion coefficient of the stainless steel.

Example 2

As a further improvement of the embodiment 1, as shown in fig. 2, a support tube 9 is connected to the periphery of the stainless steel swing arm 8, and the support tube 9 is connected to the upright post 7. The stay tube 9 includes upper segment and the lower segment that upper and lower symmetry set up, reserves the clearance between upper segment and the lower segment, and the side of upper segment and lower segment is equipped with the otic placode, and upper and lower relative otic placode passes through bolt 10 screw thread detachable connection. The device also comprises a hanging frame 11, wherein the hanging frame 11 is arranged below the supporting tube 9 and used for supporting the supporting tube 9, and the hanging frame 11 is hung through a movable supporting frame. The hanging frames 11 are vertically arranged in the axial direction of the supporting tube 9, and a plurality of hanging frames 11 are sequentially arranged at intervals along the extending direction of the supporting tube 9. The hanger 11 supports the stay tube 9, and the stay tube 9 surrounds protection to stainless steel swing arm 8, and the intensity of material behind the stainless steel swing arm 8 is heated reduces, if directly supports stainless steel swing arm 8 through hanger 11, leads to stainless steel swing arm 8 local atress too big to lead to deformation easily, carries out the bearing to stainless steel swing arm 8's whole through stay tube 9, can disperse the power that stainless steel swing arm 8 received, plays very effectual protection to stainless steel swing arm 8.

The embodiment also comprises a first elbow 3 and a second elbow 12 baking head 13. The two ends of the first elbow 3 are respectively communicated with an air outlet mechanism and the corrugated pipe 4, the bending degree of the first elbow 3 is 90 degrees, and the inner wall of the corner of the first elbow 3 is provided with a rounding angle. The baking head 13 is arranged at the air outlet of the stainless steel swing arm 8. Two ends of the second elbow 12 are respectively communicated with the stainless steel swing arm 8 and the baking head 13, the bending degree of the second elbow 12 is 90 degrees, and the inner wall of the corner of the second elbow 12 is provided with a rounding angle. The arrangement can prevent the pipeline of the communication part of the air outlet mechanism and the corrugated pipe 4 and the communication part of the stainless steel swing arm 8 and the baking head 13 from being bent and deformed, so that the ventilation air duct is reduced, and the air outlet efficiency is further influenced.

The air outlet mechanism is in sealing connection with the corrugated pipe 4 through a flange and an elastic rubber cushion, and the corrugated pipe 4 is welded with the stainless steel swing arm 8 in an argon arc mode. The air outlet mechanism is in sealing connection with the corrugated pipe 4 through the flange and the elastic rubber cushion, so that the tightness is improved, and heat and wind speed and pressure loss are prevented. The bellows 4 and the stainless steel swing arm 8 are welded in an argon arc mode, the connection tightness is strong, and the bellows is not easy to damage.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the application.

Claims

1. A sand mold air heater baking device, which is characterized by comprising:

the air outlet mechanism is used for providing hot air;

The air inlet end of the corrugated pipe (4) is communicated with the air outlet of the air outlet mechanism;

One end of the stainless steel swing arm (8) is communicated with the air outlet end of the corrugated pipe (4), and the other end of the stainless steel swing arm is communicated with an external ventilating duct;

the high-temperature-resistant ball valve (14) is arranged in the stainless steel swing arm (8) and is used for controlling the on-off of the stainless steel swing arm (8);

The upright post (7) is vertically arranged, and the top end of the upright post is connected with the lower wall of the stainless steel swing arm (8);

The base (6), inside is equipped with the bearing (5) of the vertical setting of axial, the bottom of stand (7) with bearing (5) are connected, the bottom of base (6) is equipped with the gyro wheel.

2. A sand mould hot air baking device according to claim 1, characterized in that the periphery of the stainless steel swing arm (8) is connected with a support pipe (9), and the support pipe (9) is connected with the upright post (7).

3. A sand mould hot air baking apparatus according to claim 2, characterized in that the support tube (9) is detachably connected to the stainless steel swing arm (8).

4. A sand mould air heater baking device according to claim 3, wherein the supporting tube (9) comprises an upper tube piece and a lower tube piece which are arranged vertically symmetrically, a gap is reserved between the upper tube piece and the lower tube piece, ear plates are arranged on the side edges of the upper tube piece and the lower tube piece, and the ear plates which are vertically opposite are in threaded connection through bolts (10).

5. The baking device for a sand mold hot air machine according to claim 4, further comprising a hanging frame (11), wherein the hanging frame (11) is arranged below the supporting tube (9) and is used for supporting the supporting tube (9), and the hanging frame (11) is hung through a movable supporting frame.

6. A sand mould hot air baking device according to claim 5, characterized in that the hanging rack (11) is arranged perpendicular to the axial direction of the supporting tube (9), and a plurality of hanging racks (11) are arranged at intervals in sequence along the extending direction of the supporting tube (9).

7. A sand mould hot air blower baking apparatus according to any one of claims 1-6, further comprising a first elbow (3), wherein two ends of the first elbow (3) are respectively communicated with the air outlet mechanism and the bellows (4), the bending degree of the first elbow (3) is 90 degrees, and the inner wall at the corner of the first elbow (3) is a rounded corner.

8. A sand mould hot air baking apparatus according to any of claims 1-6, further comprising a baking head (13), said baking head (13) being arranged at the air outlet of said stainless steel swing arm (8).

9. The baking device for the sand mold air heater according to claim 8, further comprising a second elbow (12), wherein two ends of the second elbow (12) are respectively communicated with the stainless steel swing arm (8) and the baking head (13), the bending degree of the second elbow (12) is 90 degrees, and the inner wall of the corner of the second elbow (12) is a rounded corner.

10. A sand mould hot air blower baking device according to any one of claims 1-6, characterized in that the air outlet mechanism is in sealing connection with the corrugated pipe (4) through a flange and an elastic rubber pad, and the corrugated pipe (4) is welded with the stainless steel swing arm (8) through an argon arc.