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CN-122012891-A - Corrosion-resistant screw production equipment for fixing air conditioner external unit and processing technology thereof

CN122012891ACN 122012891 ACN122012891 ACN 122012891ACN-122012891-A

Abstract

The application relates to the field of screw production equipment, in particular to corrosion-resistant screw production equipment for fixing an air conditioner external unit and a processing technology thereof, which comprises a heat treatment furnace, wherein a stirring impeller is arranged in the heat treatment furnace, a driving motor is fastened at the top of the heat treatment furnace, the driving motor is used for driving the stirring impeller to rotate and lift in the heat treatment furnace, a cooling channel is formed in the heat treatment furnace along the circumferential direction of the stirring impeller, an air inlet and an air outlet are respectively formed in the upper end and the lower end of the heat treatment furnace, and the air inlet and the air outlet are communicated with the cooling channel. The application aims to realize the rapid homogenization of the temperature in the furnace, avoid the occurrence of local overheating or local supercooling, further be beneficial to ensuring that the hot air flow in the furnace can penetrate into each corner of the hearth, ensure the temperature distribution in the furnace to be extremely uniform, be beneficial to improving the consistency of the hardness and strength of screws in the same batch after being treated by a heat treatment furnace, and further ensure the subsequent processing and production of the screws.

Inventors

  • DENG BING
  • YUAN HAIYAN

Assignees

  • 益亿精密五金(上海)有限公司

Dates

Publication Date
20260512
Application Date
20260209

Claims (9)

  1. 1. The corrosion-resistant screw production equipment for fixing an air conditioner external unit is characterized by comprising a heat treatment furnace (1), wherein a stirring impeller (2) is additionally arranged in the heat treatment furnace (1), a driving motor (3) is fixedly arranged at the top of the heat treatment furnace (1), the driving motor (3) is used for driving the stirring impeller (2) to rotate and lift in the heat treatment furnace (1), a cooling channel (4) is formed in the heat treatment furnace (1) along the circumferential direction of the heat treatment furnace, an air inlet (5) and an air outlet (6) are respectively formed in the upper end and the lower end of the heat treatment furnace (1), and the air inlet (5) and the air outlet (6) are communicated with the cooling channel (4).
  2. 2. The corrosion-resistant screw production equipment for fixing an air conditioner external unit according to claim 1, wherein a rotating shaft (7) is additionally arranged between the driving motor (3) and the stirring impeller (2) along the vertical direction, the rotating shaft (7) comprises a first rod body (71) and a second rod body (72), the top of the first rod body (71) is connected with the driving end of the driving motor (3), the bottom of the first rod body (71) is connected with the second rod body (72), an internal threaded hole (8) is formed in the heat treatment furnace (1) in a penetrating mode, the second rod body (72) is a screw rod, the second rod body (72) is inserted into the internal threaded hole (8) along the vertical direction, and one end, away from the first rod body (71), of the second rod body (72) is connected with the stirring impeller (2).
  3. 3. The production device of the corrosion-resistant screw for fixing the air conditioner external unit according to claim 2, wherein a first telescopic spring (9) is arranged between the first rod body (71) and the second rod body (72) along the vertical direction, one end of the first telescopic spring (9) is connected with the first rod body (71), and the other end of the first telescopic spring (9) is connected with the second rod body (72).
  4. 4. The production equipment of the corrosion-resistant screw for fixing the air conditioner external unit according to claim 3, wherein a driving fan (10) is additionally arranged in the cooling channel (4), and the driving fan (10) is distributed at the air inlet (5).
  5. 5. The device for producing the corrosion-resistant screw for fixing the air conditioner external unit according to claim 4, wherein a rotating gear (11) is arranged on one side, close to the first rod body (71), of the driving fan (10), the rotating gear (11) is vertically arranged, the rotating gear (11) is connected with the driving fan (10) through a rotating shaft, a bevel gear (12) is integrally sleeved on the peripheral side of the first rod body (71) along the horizontal direction, and the bevel gear (12) is meshed with the rotating gear (11).
  6. 6. The device for producing the corrosion-resistant screw for fixing the air conditioner external unit according to claim 5, wherein a plurality of groups of stirring plates (13) are additionally arranged on one side, far away from the second rod body (72), of the stirring impeller (2), and the stirring plates (13) are horizontally arranged.
  7. 7. The device for producing the corrosion-resistant screw for fixing the air conditioner external unit according to claim 6, wherein a limiting rod (14) is arranged at the bottom of the stirring impeller (2) along the vertical direction, a guide rod (15) is arranged between the limiting rod (14) and the stirring plate (13) along the vertical direction, one end of the guide rod (15) is connected with the stirring plate (13), and the other end of the guide rod (15) extends into the limiting rod (14) and is provided with a second telescopic spring (16) along the vertical direction with the inner wall of the limiting rod (14).
  8. 8. The apparatus for producing corrosion-resistant screws for fixing an air conditioner external unit according to claim 7, wherein said stirring plate (13) is formed integrally in a wave-like structure.
  9. 9. A processing technology of a corrosion-resistant screw for fixing an air conditioner external unit is characterized by adopting the corrosion-resistant screw production equipment for fixing the air conditioner external unit, which is disclosed by any one of the claims 1-8, and comprises the following steps: S1, determining the shape, the size and the parameters of a screw, S2, selecting high-strength steel or other metals according to the purpose of the screw, S3, providing qualified metal blanks for a cold forging process and ensuring the dimensional accuracy of the blanks so as to facilitate the subsequent cold forging forming, S4, carrying out primary forging on the blanks by using a die, S5, quenching the cold-forged screw to increase the hardness, S6, selecting a surface treatment mode such as galvanization, chromium plating or spraying according to the requirement, and S7, carrying out hardness test and surface quality inspection.

Description

Corrosion-resistant screw production equipment for fixing air conditioner external unit and processing technology thereof Technical Field The application relates to the field of screw production equipment, in particular to corrosion-resistant screw production equipment for fixing an air conditioner external unit and a processing technology thereof. Background In the screw production process, the heat treatment furnace is a key device for ensuring the mechanical properties (such as strength, hardness and toughness) and the service life of the product. In the related art, temperature is a core parameter of the heat treatment, and non-uniformity or control misalignment may directly lead to inconsistent screw performance. The hot gas in the heat treatment furnace is easy to gather at the furnace top, so that the phenomenon of local overheating in the furnace is caused, the hardness and the strength of screws in the same batch are inconsistent after the screws are treated by the heat treatment furnace, and the subsequent processing and production are not facilitated. Disclosure of Invention The application provides corrosion-resistant screw production equipment for fixing an air conditioner external unit and a processing technology thereof, and aims to realize rapid homogenization of temperature in a furnace, avoid the occurrence of local overheating or local supercooling, further facilitate ensuring that hot air in the furnace can penetrate into each corner of a hearth, ensure extremely uniform temperature distribution in the furnace, facilitate improving the consistency of hardness and strength of screws in the same batch after being processed by a heat treatment furnace, and further ensure the subsequent processing production of the screws. The application provides a production device and a processing technology of a corrosion-resistant screw for fixing an air conditioner external unit, which adopts the following technical scheme: The utility model provides a fixed corrosion-resistant screw production facility of using of air conditioner external unit, includes the heat treatment furnace, be equipped with the impeller in the heat treatment furnace, the top of heat treatment furnace is fastened and is had driving motor, driving motor is used for the drive impeller rotates the lift in the heat treatment furnace, cooling channel has been seted up along its week side direction in the heat treatment furnace, the upper and lower both ends of heat treatment furnace are equipped with air inlet and gas vent respectively, just the air inlet with the gas vent all with cooling channel keeps the intercommunication. Through adopting above-mentioned technical scheme, rotate in the heat treatment furnace along with impeller and go up and down, carry out the omnidirectional stirring mix on horizontal direction and the vertical direction to the steam in the heat treatment furnace through impeller for the steam in the stove flows fully, and then is favorable to making the hot gas flow in the stove can penetrate every corner of furnace, makes the temperature distribution in the stove extremely even, is favorable to improving the uniformity of its hardness, intensity after the screw of same batch is handled through the heat treatment furnace, and then ensures its follow-up processing production. When the temperature in the furnace is too high and needs to be reduced, cold air is injected into the cooling channel through the air inlet to reduce the temperature of the heat treatment furnace. And after the temperature is reduced to the specified temperature, opening a valve at the exhaust port of the furnace bottom to discharge cold air in the cooling channel. Preferably, a rotating shaft is additionally arranged between the driving motor and the stirring impeller along the vertical direction, the rotating shaft comprises a first rod body and a second rod body, the top of the first rod body is connected with the driving end of the driving motor, the bottom of the first rod body is connected with the second rod body, an internal thread hole is formed in the heat treatment furnace in a penetrating mode, the second rod body is a screw rod, the second rod body is inserted into the internal thread hole along the vertical direction, and one end, away from the first rod body, of the second rod body is connected with the stirring impeller. Through adopting above-mentioned technical scheme, impeller specifically when stirring, opens driving motor and drives the first body of rod and rotate, and the first body of rod rotates the second body of rod in step when rotating, and along with the rotation of the second body of rod, the second body of rod goes up and down along vertical direction in the internal thread hole. The second rod body synchronously drives the stirring impeller to rotate and lift in the heat treatment furnace in the process of rotating and lifting, so that the stirring impeller is used for fully stirring hot air in the heat t