CN201488529U

CN201488529U - Improved push-plate continuous atmosphere sintering furnace structure

Info

Publication number: CN201488529U
Application number: CN200920163487XU
Authority: CN
Inventors: 秦文隆
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-07-13
Filing date: 2009-07-13
Publication date: 2010-05-26
Anticipated expiration: 2019-07-13

Abstract

The utility model discloses an improved push-plate continuous atmosphere sintering furnace structure. Relative positions on the two sides of an internal conveying passage of the push-plate continuous atmosphere sintering furnace are provided with side tracks; the inner sides of the two side tracks are provided with opposite internal concave passages of which the heights are greater than the thickness of a push plate accommodated in the internal concave passage; the two opposite internal concave passages are used as the tracks of the push plate and can maintain the advancing route of the push plate; a bottom track is arranged in the middle of the two side tracks relative to the horizontal positions of the internal concave passages of the two side tracks; and the push plate is positioned above the bottom track so as to enable the push plate to advance more smoothly and avoid the deformation of the push plate. The improved push-plate continuous atmosphere sintering furnace structure of the utility model can prevent the push plate from projecting and can reduce the temperature gradient so as to achieve a uniform temperature. The side tracks, the bottom track and the push plate can be made of graphite so as to obtain better thermal conduction, heat resistance and lubrication level.

Description

The continuous atmosphere sintering furnace structure of push-plate type of improvement

Technical field

The utility model belongs to a kind of continous way atmosphere sintering furnace, particularly a kind of continuous atmosphere sintering furnace structure of push-plate type of improvement of the interior brand-new design of feed track hearth structure.

Background technology

At present, in the technology of electronic component or powdered metallurgical material, need to import different atmosphere gas sintering or heat treatment in kiln, sintering or heat treatment are a considerable technology, the quality of electronic component or powdered metallurgical material product quality because sintering or Technology for Heating Processing concern.Before having reached the requirement of sintering atmosphere in the stove of keeping under strict control with the continous way atmosphere sintering furnace, is 097204412 novel patent " continuous vacuum atmosphere sintering furnace " as the TaiWan, China publication number and publication number is 093216847 a novel patent " the continuous atmosphere sintering furnace of push-plate type " etc.With publication number is that 093216847 patent is an example; this patent mainly is by body of heater; interior feed track; outer feed track and exchange system constitute; should be located at body of heater inside by interior feed track; and be connected at the exchange system of body of heater both sides; outer feed track is located at the body of heater outside; and the exchange system of connection body of heater both sides; outer feed track is as the delivery platform of putting electronic component carrier to be sintered; this body of heater is a closed; and the atmosphere gas of importing protection or reaction usefulness; and intensification sintering stage and cooling section are arranged according to the technology differentiation; have heat-resisting material in the intensification sintering stage and look the temperature required heating element heater of sintering program; cooling section has cooling device; the exchange system of being located at the body of heater both sides respectively has the twice gas-tight door; and formation switch room; before carrier is sent to body of heater; the twice gas-tight door of body of heater head end is sealing; treat to be evacuated in the switch room and import atmosphere gas until with body of heater in have identical atmosphere after; opening the inboard gas-tight door of stove pushes carrier in the body of heater; before carrier will be sent body of heater; the twice gas-tight door of body of heater tail end is sealing; and be evacuated in the switch room and import atmosphere gas until with body of heater in have identical atmosphere after; open the inboard gas-tight door of stove carrier is pushed in the switch room, avoid sneaking in the body of heater effect that the stove outer air improves sintering thermal treatment qualities such as electronic component thereby therefore have.The continuous atmosphere sintering furnace of the push-plate type during but this is formerly applied for a patent, be the shortcoming of avoiding plate to stick up, its length is restricted and can not be oversize, and because in the sintering Technology for Heating Processing of products such as electronic component powder metallurgy powder body material, for enhancing productivity, must strengthen and hold body and pick up speed.But if increase excessive to holding body, can be subjected to the influence of stability risk, institute thinks and enhances productivity, the body of heater of can only widening and extend, in order to make the heat treated thermograde of sintering average, adopted upper and lower mode of heating (promptly the upper and lower end at heat treatment material to be sintered is placed with heating element heater), in the known technology, because push pedal is to place on the solid siege, the high temperature that following heater produces need could arrive material to be sintered place by solid siege transmission, will produce the shortcoming of upper and lower thermograde inequality like this, have a strong impact on sintering quality.More than be exactly the disadvantage that exists in the known technology, this shortcoming becomes the difficult problem that industry is demanded urgently overcoming.

The utility model content

In view of this, main purpose of the present utility model is to provide a kind of continuous atmosphere sintering furnace structure of push-plate type that can avoid the push pedal plate to stick up, also can realize the improvement of the even effect of thermograde.

For achieving the above object, the continuous atmosphere sintering furnace structure of the push-plate type of the improvement that the utility model provides, it mainly is to be provided with siding track on the relative position of the interior feed track both sides of the continuous atmosphere sintering furnace of push-plate type, these two siding track inboards are provided with relative indent road, these two relative indent road height are greater than the thickness of the push pedal that is placed in the indent road, these two relative indent roads are the track that push pedal is advanced, and can keep the course of push pedal.

The continuous atmosphere sintering furnace structure of the push-plate type of the improvement that the utility model provides, wherein, the centre of these two siding tracks, with respect to the horizontal level in the indent road of two siding tracks, other is provided with end rail, and push pedal is positioned at the top of end rail, it is more smooth and easy that push pedal is advanced, and can avoid the push pedal distortion.

By the continuous atmosphere sintering furnace structure of the push-plate type of improvement of the present utility model, have and avoid the push pedal plate to stick up and reduce thermograde and reach the effect of samming, and the material of siding track, end rail and push pedal can be selected graphite for use, can obtain preferable heat conduction, heat-resisting and lubricity.

Description of drawings

Fig. 1 is the embodiment sectional view of the continuous atmosphere sintering furnace structure of push-plate type of the utility model improvement.

Description of reference numerals

Feed track in 1 sintering furnace 10

2 siding tracks, 20 indent roads

3 push pedals

4 ' time heater of 4 upper heaters

5 saggars

6 end rails

The specific embodiment

For structure of the present utility model, feature and the effect that reached are obtained better understanding, and, now enumerate an embodiment for reaching the aforesaid purpose of the utility model, and the conjunction with figs. explanation as after.

At first, see also shown in Figure 1, the utility model mainly is to be provided with siding track 2 on the interior feed track 10 both sides relative positions of the continuous atmosphere sintering furnace 1 of push-plate type as seen from the figure, these two siding track 2 inboards are provided with relative indent road 20, these two relative indent roads 20 highly are slightly larger than the thickness of push pedal 3, with ccontaining push pedal 3, these two relative indent roads 20 become the track that push pedal 3 is advanced, can keep the course of push pedal 3, in present embodiment figure, interior feed track 10 upper ends have upper heater 4, and the lower end has following heater 4 ', material to be sintered is to place in the

saggar

5, and 5 in saggar places in the push pedal 3.So, because push pedal 3 both sides are restricted in the indent road 20 of both sides, therefore can one connect one advance in regular turn, never have the situation generation that plate sticks up, so can need increase the length of sintering furnace according to speed, because push pedal 3 belows are hollow, following heater 4 ' can reduce the effect that thermograde realizes samming thereby can reach directly to push pedal 3 heating again.

Again, the centre of two siding tracks 2 of the present utility model is with respect to the horizontal level in the indent road 20 of two siding tracks 2, other is provided with end rail 6, and push pedal 3 is positioned at the top of end rail 6, and it is more smooth and easy that push pedal 3 is advanced, and, can avoid push pedal 3 distortion because push pedal 3 bottoms have the strong point.

The material of the aforesaid siding track 2 of the utility model, end rail 6 and push pedal 3 can be selected graphite for use, can obtain preferable heat conduction, heat-resisting and lubricity.So reach the purpose of the utility model design.

In sum, the continuous atmosphere sintering furnace structure of the push-plate type of the disclosed a kind of improvement of the utility model can overcome the shortcoming in the known technology, and can realize the purpose that designs.

But the above only is one of them preferable possible embodiments of the present utility model; be not in order to limit protection domain of the present utility model; every people who is familiar with this technology; the equivalent structure that utilization the utility model specification and claim are done changes, and ought to be included within the protection domain of the present utility model.

Claims

1. the continuous atmosphere sintering furnace structure of the push-plate type of an improvement, it is characterized in that, it mainly is to be provided with siding track on the relative position of the interior feed track both sides of sintering furnace, described two siding track inboards are provided with relative indent road, described two relative indent road height are greater than the thickness of the push pedal that is placed in described indent road, and described two relative indent roads are the track that described push pedal course was advanced and kept in described push pedal.

2. the continuous atmosphere sintering furnace structure of the push-plate type of improvement as claimed in claim 1 is characterized in that, the centre of described two siding tracks, and with respect to the horizontal level in the indent road of described two siding tracks, other is provided with end rail, and described push pedal is positioned at the top of rail of the described end.

3. the continuous atmosphere sintering furnace structure of the push-plate type of improvement as claimed in claim 1 is characterized in that, the material of described siding track is a graphite.

4. the continuous atmosphere sintering furnace structure of the push-plate type of improvement as claimed in claim 2 is characterized in that, the material of rail of the described end is a graphite.