CN-121994023-A - Curing oven and heating system

CN121994023ACN 121994023 ACN121994023 ACN 121994023ACN-121994023-A

Abstract

The invention discloses a curing oven and a heating system, and particularly discloses the technical field of SMT equipment, and the curing oven comprises a machine case, wherein the machine case is provided with a heating cavity, a curing cavity communicated with the heating cavity is further arranged in the curing cavity and used for containing a product to be cured, a heating element is arranged in the heating cavity, a flow guiding assembly is at least partially arranged in the heating cavity and used for guiding air flow in the heating cavity to the curing cavity, the flow guiding assembly is provided with a flow guiding outlet, the flow guiding outlet faces the curing cavity, a first rectifying element is arranged in the machine case, a first overflow hole is formed in the first rectifying element and is at least partially opposite to the flow guiding outlet, a temperature sensor is arranged on the first rectifying element and is at least partially opposite to the flow guiding outlet, and a control system is connected to the temperature sensor, the flow guiding assembly and the heating element. By means of the mode, the heating temperature of the heating piece can be correspondingly adjusted according to different products to be cured so as to obtain different curing temperatures.

Inventors

Zhong Lutong
WANG GENGHAO
XIE GUANGHUI

Assignees

深圳市劲拓自动化设备股份有限公司

Dates

Publication Date: 20260508
Application Date: 20260123

Claims (10)

1. A curing oven, comprising: The machine case is provided with a heating cavity, and is also provided with a curing cavity communicated with the heating cavity, wherein the curing cavity is used for accommodating a product to be cured; the heating piece is arranged in the heating cavity and is used for heating the air flow in the heating cavity; The flow guide assembly is at least partially arranged in the heating cavity and is used for guiding air flow in the heating cavity to the curing cavity, and is provided with a flow guide outlet which faces the curing cavity; The first rectifying piece is arranged in the case, is positioned between the curing cavity and the heating cavity, and is provided with a first flow through hole which is at least partially opposite to the flow guiding outlet; The temperature sensor is arranged on the first rectifying piece, and at least part of the temperature sensor is arranged opposite to the diversion outlet; And the control system is connected with the temperature sensor, the flow guiding component and the heating piece and can be used for controlling the temperature sensor, the flow guiding component and the heating piece.
2. A curing oven as claimed in claim 1, wherein, The number of the heating cavities is multiple, the heating cavities are distributed along the first direction, the heating cavities are mutually independent, and each heating cavity is internally provided with the heating piece; the number of the flow guide components is multiple, and one flow guide component is correspondingly arranged in one heating cavity; The number of the temperature sensors is multiple, the temperature sensors are arranged on the first rectifying piece, and at least part of the temperature sensors are arranged opposite to the diversion outlet; The machine case is further provided with a plurality of backflow grooves, the backflow grooves are arranged on two inner walls of the machine case along the second direction, the backflow grooves are distributed at intervals along the first direction, one end of each backflow groove is communicated with the heating cavity, and the other end of each backflow groove is communicated with the curing cavity; the flow guiding outlet faces the solidification cavity along a third direction, wherein the airflow flowing out of the flow guiding outlet flows to the solidification cavity along the third direction and flows back to the heating cavity at least partially from the plurality of backflow grooves.
3. A curing oven as claimed in claim 2, wherein, The flow guiding assembly comprises a fan, an impeller and a volute, wherein the volute is arranged in the heating cavity, the flow guiding outlet is formed in the volute, the impeller is arranged in the volute, the fan is relatively fixed on the case, the output end of the fan is connected with the impeller, the fan is used for driving the impeller to rotate, and the impeller is used for guiding hot air flow in the heating cavity to the flow guiding outlet.
4. A curing oven as claimed in claim 3, wherein, The curing oven further comprises a second rectifying piece, the second rectifying piece is arranged at the flow guiding outlet, a second flow passing hole is formed in the second rectifying piece, and along the third direction, the projection of the second flow passing hole is at least partially overlapped with the projection of the flow guiding outlet.
5. A curing oven as claimed in claim 4, wherein, Along the third direction, the projection of the temperature sensor, the projection of the second flow-through hole and the projection of the flow-guiding outlet are at least partially coincident.
6. A curing oven as claimed in claim 2, wherein, The outer wall of the case is provided with a maintenance port communicated with the heating cavity, and the projection of the maintenance port is at least partially overlapped with the projection of the heating piece along the second direction.
7. A curing oven as claimed in claim 2, wherein, The machine case comprises an inner shell and an outer shell, wherein the inner shell is covered by the outer shell, the outer shell and the inner shell are arranged at intervals of a preset distance, and the curing cavity, the heating cavity and the backflow groove are all located in the inner shell.
8. A curing oven as claimed in claim 7, wherein, The machine case still includes the division board, the division board set up in the inner shell, the division board be located solidification chamber with between the heating chamber, the water conservancy diversion export on the water conservancy diversion subassembly is located on the division board, the division board with first rectification spare is followed the interval is provided with buffer space in the third direction, water conservancy diversion export and first overflow hole all communicate buffer space.
9. A curing oven as claimed in claim 2, wherein, The top of the case is also provided with an exhaust outlet which is communicated with the curing cavity, and the side wall of the case is also provided with an air inlet which is communicated with the heating cavity.
10. A heating system comprising the curing oven of any one of claims 1-9.

Description

Curing oven and heating system Technical Field The invention relates to the technical field of SMT equipment, in particular to a curing oven and a heating system. Background Along with the continuous penetration of the SMT (surface mounting technology, surface Mounted Technology) industry to various products for production and life, the demand of PCB (circuit board, printed Circuit Board) products is increasing, and the requirements of PCB production equipment are high in production efficiency, low in use cost, simple in maintenance and small in occupied space. The curing oven is equipment capable of raising the temperature of a product according to a certain temperature raising curve to cure glue, and can be used for curing, baking, drying, aging and the like of PCBA glue in the power electronic industry. The inventor of the application discovers that the heating curing temperatures required by different products are different, the heating curing temperature of the existing curing furnace is single and difficult to adjust, and the suitability of the existing curing furnace for different process requirements is poor, so that the production efficiency and the product quality are easily affected. Disclosure of Invention In view of the foregoing, embodiments of the present invention provide a curing oven and heating system that overcomes or at least partially solves the foregoing problems. According to one aspect of the application, a curing oven is provided, which comprises a machine case, a heating cavity, a heating piece, a flow guiding component, a control system, a flow guiding component, a temperature sensor, a control system and a heating component, wherein the machine case is provided with a curing cavity communicated with the heating cavity, the curing cavity is used for containing a product to be cured, the heating piece is arranged in the heating cavity and is used for heating air flow in the heating cavity, the flow guiding component is at least partially arranged in the heating cavity and is used for guiding the air flow in the heating cavity to the curing cavity, the flow guiding component is provided with a flow guiding outlet, the flow guiding outlet faces the curing cavity, a first rectifying piece is arranged in the machine case and is positioned between the curing cavity and the heating cavity, a first overflow hole is arranged on the first rectifying piece and is at least partially opposite to the flow guiding outlet, the temperature sensor is arranged on the first rectifying piece and is at least partially opposite to the flow guiding outlet, and the control system is connected to the temperature sensor, the flow guiding component and the heating component and the control system. In an alternative mode, the number of the heating cavities is multiple, the heating cavities are distributed in the first direction, the heating cavities are arranged independently, the heating parts are arranged in the heating cavities, the number of the flow guide components is multiple, one flow guide component is correspondingly arranged in one heating cavity, the number of the temperature sensors is multiple, the temperature sensors are arranged on the first rectifying part, one temperature sensor is at least partially arranged opposite to one flow guide outlet, the case is further provided with a plurality of backflow grooves, the backflow grooves are arranged on two inner walls of the case in the second direction, the backflow grooves are distributed at intervals in the first direction, one end of each backflow groove is communicated with the heating cavity, the other end of each backflow groove is communicated with the curing cavity, the flow guide outlet faces the curing cavity in the third direction, and the air flow flowing out of the flow guide outlet flows to the second direction and is at least partially solidified from the backflow grooves to the plurality of backflow cavities in the third direction. In an alternative mode, the flow guiding component comprises a fan, an impeller and a volute, wherein the volute is arranged in the heating cavity, the flow guiding outlet is formed in the volute, the impeller is arranged in the volute, the fan is relatively fixed on the case, the output end of the fan is connected with the impeller, the fan is used for driving the impeller to rotate, and the impeller is used for guiding hot air flow in the heating cavity to the flow guiding outlet. In an optional manner, the curing oven further includes a second rectifying member, the second rectifying member is disposed on the flow guiding outlet, a second flow through hole is disposed on the second rectifying member, and along the third direction, a projection of the second flow through hole is at least partially overlapped with a projection of the flow guiding outlet. In an alternative manner, along the third direction, the projection of the temperature sensor, the projection of the second flow-through aperture, and