阅读说明：本技术 一种环氧树脂固化炉 (Epoxy resin curing oven ) 是由 原宇航 于 2018-06-08 设计创作，主要内容包括：本发明公开了一种环氧树脂固化炉,包括箱体、加热管、离心风机及承载工件的固化台,所述加热管位于固化台上方,所述离心风机位于所述加热管的上方,该离心风机的叶轮轴与电机输出轴连接,其特征在于：所述电机输出轴上设有至少两道均布的键槽,所述叶轮轴上设有与所述键槽相配合的凸键,所述叶轮轴与电机输出轴经凸键与相应键槽插接配合连接。本发明在电机输出轴与叶轮轴通过凸键与键槽配合连接,使双轴转动时受到均衡的离心力,保证力的传输稳定,提高风量的稳定性。(The invention discloses an epoxy resin curing furnace, which comprises a box body, a heating pipe, a centrifugal fan and a curing table for bearing a workpiece, wherein the heating pipe is positioned above the curing table, the centrifugal fan is positioned above the heating pipe, and an impeller shaft of the centrifugal fan is connected with an output shaft of a motor, and the epoxy resin curing furnace is characterized in that: the motor output shaft is provided with at least two uniformly distributed key grooves, the impeller shaft is provided with a convex key matched with the key grooves, and the impeller shaft and the motor output shaft are connected with the corresponding key grooves in a splicing and matching mode through the convex key. The motor output shaft and the impeller shaft are matched and connected with the key groove through the convex key, so that the double shafts are subjected to balanced centrifugal force when rotating, the stable transmission of force is ensured, and the stability of air volume is improved.)

1. The utility model provides an epoxy curing oven, includes box, heating pipe, centrifugal fan and bears the solidification platform of work piece, the heating pipe is located solidification platform top, centrifugal fan is located the top of heating pipe, this centrifugal fan's impeller shaft and motor output shaft, its characterized in that: the motor output shaft is provided with at least two uniformly distributed key grooves, the impeller shaft is provided with a convex key matched with the key grooves, and the impeller shaft and the motor output shaft are connected with the corresponding key grooves in a splicing and matching mode through the convex key.

2. The epoxy resin curing oven of claim 1, wherein: two key grooves are symmetrically arranged at the near end of the motor output shaft, and two symmetrically distributed convex keys are correspondingly arranged on the impeller shaft.

Technical Field

The invention relates to a curing oven, in particular to an epoxy resin curing oven.

Background

the curing oven is a container for curing in the production processes of heating, resin curing and drying of parts in the electronic industry and other various industries. The curing oven is divided into a resin curing oven and a metal curing oven. The resin curing furnace is a curing treatment process for curing and solution-treating resin, heating a workpiece to a higher temperature and carrying out constant-temperature treatment, and aims to strengthen the stress of material combination.

Disclosure of Invention

In view of the above technical problems, the present invention aims to: an epoxy resin curing oven, through the structural improvement, impeller atress is stable, and the amount of wind is not influenced by the rotational speed, and the noise abatement produces.

The technical solution of the invention is realized as follows: the utility model provides an epoxy curing oven, includes box, heating pipe, centrifugal fan and bears the solidification platform of work piece, the heating pipe is located solidification bench side, centrifugal fan is located the top of heating pipe, this centrifugal fan's impeller shaft and motor output shaft, be equipped with the keyway of at least twice equipartition on the motor output shaft, be equipped with on the impeller shaft with keyway matched with convex key, impeller shaft and motor output shaft are connected through convex key and corresponding keyway grafting cooperation.

In the above technical scheme, two key slots are symmetrically arranged at the near end of the motor output shaft, and two symmetrically distributed convex keys are correspondingly arranged on the impeller shaft.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: 1. According to the invention, the impeller shaft is provided with the convex key, the motor output shaft is provided with the key groove, and the convex key and the key groove are matched in a key insertion manner to transmit the rotating force of the motor, so that the transmission of the rotating force is more stable, the fan shaking caused by high-speed rotation is reduced, and the output air volume is stable;

2. According to the invention, the 180-degree equally-divided convex keys are arranged on the impeller shaft and are in splicing fit with the 180-degree equally-divided key grooves on the electric output shaft, so that the centrifugal force received by the double shafts during rotation is balanced, the shaft runout of the centrifugal impeller during rotation is reduced, and the stability of air volume is improved.

Drawings

The technical scheme of the invention is further explained by combining the accompanying drawings as follows:

FIG. 1 is a schematic structural diagram of a motor and a centrifugal fan in the prior art;

FIG. 2 is an axial schematic view of the connection of the impeller shaft to the motor output shaft;

FIG. 3 is a schematic structural diagram according to a first embodiment of the present invention;

FIG. 4 is an axial view of the connection between the impeller shaft and the output shaft of the motor according to one embodiment of the present invention;

Fig. 5 is a schematic cross-sectional view of a connection between an impeller shaft and a motor output shaft according to an embodiment of the present invention.

wherein: 1. a box body; 2. heating a tube; 3. a centrifugal fan; 4. a curing station; 5. an impeller shaft; 6. an output shaft of the motor; 7. a convex key; 8. a keyway; 101. a centrifugal fan; 102. a motor; 103. an output shaft of the motor; 104. an impeller shaft; 105. and (4) screws.

Detailed Description

The invention is described below with reference to the accompanying drawings.

as shown in fig. 3 to 5, the epoxy resin curing oven of the present invention comprises an oven body 1, a heating pipe 2, a centrifugal fan 3 and a curing table 4 for carrying a workpiece, wherein the heating pipe 2 is located above the curing table 4, the centrifugal fan 3 is located above the heating pipe 2, an impeller shaft 5 of the centrifugal fan 3 is connected with a motor output shaft 6, two key slots 8 are symmetrically arranged at the upper end of the motor output shaft 6, two symmetrically distributed convex keys 7 are correspondingly arranged on the impeller shaft 5, and the impeller shaft 5 and the motor output shaft 6 are in plug fit connection with the corresponding key slots 8 through the convex keys 7.

as shown in fig. 4 and 5, the convex keys 7 and the key grooves 8 are arranged in radial 180 ° equal parts, so that the centrifugal force applied to the impeller shaft 5 and the motor output shaft 6 is balanced, the force transmission is more stable, the shaft jump phenomenon generated when the impeller shaft 5 rotates at high speed is reduced, and the stability of the air volume is improved.

The above-mentioned embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.