CN212320410U - Drying and heat-insulating device for casting sliding bearing alloy - Google Patents
Drying and heat-insulating device for casting sliding bearing alloy Download PDFInfo
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- CN212320410U CN212320410U CN202020553590.1U CN202020553590U CN212320410U CN 212320410 U CN212320410 U CN 212320410U CN 202020553590 U CN202020553590 U CN 202020553590U CN 212320410 U CN212320410 U CN 212320410U
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Abstract
The utility model discloses a stoving heat preservation device that slide bearing alloy casting was used, including the box, be provided with the running gear who enables the box and freely walk on ground in the bottom of box, be provided with three independent furnace body in the box side by side, three furnace body is drying furnace, tin liquid heating heat preservation stove and alloy liquid heating heat preservation stove in proper order, and the fire door of every furnace body is provided with the apron respectively, and the structure of every furnace body includes: the furnace comprises an outer furnace body and an inner container arranged in the outer furnace body, wherein a heating layer consisting of electric heating elements, a fireproof layer consisting of refractory bricks and a heat-insulating layer consisting of heat-insulating materials are sequentially arranged between the outer furnace body and the inner container from inside to outside; the inner container of the drying furnace is horizontally provided with a filter screen for placing a sliding bearing, the box body is also provided with a controller, and the controller is simultaneously electrically connected with electric heating elements of the heating layers in the three furnace bodies so as to control the temperature of the three furnace bodies. The utility model has the advantages of can improve slide bearing product quality.
Description
Technical Field
The utility model relates to a slide bearing processing equipment technical field, concretely relates to stoving heat preservation device that slide bearing alloy casting was used.
Background
At present, low-temperature alloy sliding bearings are commonly used in ships, port machines and internal combustion engine main shaft and connecting rod bearings, thrust washers and camshafts with smaller loads. The production process of the low-temperature alloy sliding bearing comprises the following steps: the method comprises the steps of steel sleeve processing → steel sleeve cleaning → steel sleeve drying → steel sleeve tin hanging → low-temperature alloy centrifugal casting, wherein the steel sleeve drying process is to place the cleaned steel sleeve into a drying oven of a drying workshop for drying, the steel sleeve tin hanging process is to place the dried steel sleeve into a containing box containing tin liquid in a tin hanging workshop for soaking for a period of time and then take out the steel sleeve, so that the inner surface and the outer surface of the steel sleeve are coated with the tin liquid, the low-temperature alloy centrifugal casting process is to place the tin-hung steel sleeve into a centrifugal machine of a centrifugal casting workshop, simultaneously take out a certain amount of alloy liquid from the containing box containing the alloy liquid in the centrifugal casting workshop and place the alloy liquid into the centrifugal machine together, and then evenly and centrifugally cast the alloy liquid on the inner surface of the steel sleeve through the centrifugal machine. The production of the above low temperature alloy sliding bearing has the following problems: (1) the processes are relatively independent and far away from each other, the circulation time of the sliding bearing among the processes is long, and the sliding bearing is very easy to be polluted in the process of long-time circulation among the processes, so that the surface cleanliness of the sliding bearing is influenced; (2) the sliding bearing has large heat loss in the process of long-time circulation among all working procedures, and the poor heat preservation effect of the accommodating box accommodating the tin liquid or the alloy liquid leads to large temperature drop between the workpiece of the sliding bearing and the tin liquid or the alloy liquid, thus leading to low bonding strength between the steel sleeve and the alloy, easily causing quality problems of separation and falling of the alloy and the steel sleeve, bubbling and the like, and influencing the product quality.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can shorten the transit time of slide bearing between the process, it is effectual to the heat preservation of tin liquid and alloy liquid, can improve the stoving heat preservation device of slide bearing alloy casting usefulness of slide bearing product quality.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a stoving heat preservation device that slide bearing alloy casting was used, includes the box, is provided with the running gear who enables the box and freely walk on ground in the bottom of box, is provided with three independent furnace body side by side in the box, and three furnace body is drying furnace, tin liquid heating heat preservation stove and alloy liquid heating heat preservation stove in proper order, and the fire door of every furnace body is provided with the apron respectively, and the structure of every furnace body includes: the furnace comprises an outer furnace body and an inner container arranged in the outer furnace body, wherein a heating layer consisting of electric heating elements, a fireproof layer consisting of refractory bricks and a heat-insulating layer consisting of heat-insulating materials are sequentially arranged between the outer furnace body and the inner container from inside to outside; the inner container of the drying furnace is horizontally provided with a filter screen for placing a sliding bearing, the box body is also provided with a controller, and the controller is simultaneously electrically connected with electric heating elements of the heating layers in the three furnace bodies so as to control the temperature of the three furnace bodies.
Further, the aforesaid drying and heat preservation device for sliding bearing alloy casting, wherein: the heat-insulating layer comprises an inner heat-insulating layer and an outer heat-insulating layer which are made of ceramic fiber materials.
Further, the aforesaid drying and heat preservation device for sliding bearing alloy casting, wherein: the running gear is a plurality of running wheels arranged at the bottom of the box body.
Further, the aforesaid drying and heat preservation device for sliding bearing alloy casting, wherein: the electric heating element is a heating wire or a resistance band which is electrically connected with the controller.
Further, the aforesaid drying and heat preservation device for sliding bearing alloy casting, wherein: and a rotary elastic gripper which can put the sliding bearing into the furnace body or take the sliding bearing out of the furnace body is arranged above the furnace body.
Through the implementation of the above technical scheme, the beneficial effects of the utility model are that: (1) the circulation time of the sliding bearing among three procedures of drying, tin coating and centrifugal casting is short, so that the sliding bearing is not easily polluted in the circulation process of each procedure, and the surface cleanliness of the sliding bearing is further ensured; (2) the circulation time of the sliding bearing among three procedures of drying, tin coating and centrifugal casting is short, the heat loss of the sliding bearing in the circulation process among the procedures is small, in addition, the heat preservation effect of the tin liquid heating holding furnace and the alloy liquid heating holding furnace on the tin liquid and the alloy liquid is good, the occurrence of the condition that the temperature difference between the workpiece of the sliding bearing and the temperature of the tin liquid or the temperature of the alloy liquid is large is avoided, the bonding strength between the steel sleeve and the alloy is ensured, the bonding strength between the steel sleeve and the alloy is high, the quality problems of separation and falling of the alloy and the steel sleeve, bubbling and the like can not be caused, and the product quality is greatly improved.
Drawings
Fig. 1 is a schematic view of the structural principle of a drying and heat-preserving device for casting sliding bearing alloy.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
As shown in fig. 1, the drying and heat preserving device for casting the sliding bearing alloy comprises: box 1 is provided with the running gear who enables box 1 freely to walk on ground in the bottom of box 1, and in this embodiment, running gear is for setting up in a plurality of running wheels 2 of box 1 bottom, is provided with three independent furnace body side by side in box 1, and three furnace body is drying furnace 3, tin liquid heating heat preservation stove 4 and alloy liquid heating heat preservation stove 5 in proper order, and the fire door of every furnace body is provided with apron 6 respectively, and the structure of every furnace body includes: the oven comprises an outer oven body 7 and an inner container 8 arranged in the outer oven body 7, wherein a heating layer 9 consisting of electric heating elements, a fireproof layer 10 consisting of refractory bricks and a heat-insulating layer consisting of heat-insulating materials are sequentially arranged between the outer oven body 7 and the inner container 8 from inside to outside, the heat-insulating layer comprises an inner heat-insulating layer 11 and an outer heat-insulating layer 12 which consist of ceramic fiber materials, a filter screen 13 for placing a sliding bearing is horizontally arranged in the inner container 8 of the drying oven 3, a controller 14 is also arranged on the box body 1, and the controller 14 is simultaneously electrically connected with the electric heating elements of the heating layers 9 in the three oven bodies, so that the temperatures of the three oven bodies are controlled; in the present embodiment, the electrical heating element is a heating wire or a resistance strip electrically connected to the controller 14; in the embodiment, a rotary elastic hand grip 15 which can put the sliding bearing into the furnace body or take the sliding bearing out of the furnace body is arranged above the furnace body;
before use, a tin raw material is placed into a tin liquid heating and heat preserving furnace 4, an electric heating element of a heating layer 9 in the tin liquid heating and heat preserving furnace 4 is independently controlled through a controller 14, the tin raw material is melted into tin liquid, the temperature of the tin liquid is kept at a preset working temperature, an alloy raw material is placed into an alloy liquid heating and heat preserving furnace 5, the electric heating element of the heating layer 9 in the alloy liquid heating and heat preserving furnace 5 is independently controlled through the controller 14, the alloy raw material is melted into alloy liquid, the alloy liquid is kept at the preset working temperature, and meanwhile, the electric heating element of the heating layer 9 in a drying furnace 3 is independently controlled through the controller 14, so that the temperature of the drying furnace 3 is also kept at the preset working temperature;
when the device works, the cleaned steel sleeve is placed into the drying furnace 3 through the rotary elastic gripper 15 and placed on the filter screen 13 in the drying furnace 3, after the steel sleeve is dried, the steel sleeve in the drying furnace 3 is quickly taken out through the rotary elastic gripper 15 and is placed into the tin liquid heating and heat preserving furnace 4, the dried steel sleeve is quickly soaked in the tin liquid, after the steel sleeve is soaked in the tin liquid for a period of time, the steel sleeve in the tin liquid heating and heat preserving furnace 4 is quickly taken out through the rotary elastic gripper 15, so that the inner surface and the outer surface of the steel sleeve are coated with the tin liquid, the tin-coated steel sleeve is quickly placed into a centrifugal machine, a certain amount of alloy liquid is quickly taken out from the alloy liquid heating and heat preserving furnace 5 and is placed into the centrifugal machine together, and then the alloy liquid is uniformly and centrifugally cast on the inner surface of the steel sleeve through the centrifugal machine, and the low-temperature alloy.
The utility model has the advantages that: (1) the circulation time of the sliding bearing among three procedures of drying, tin coating and centrifugal casting is short, so that the sliding bearing is not easily polluted in the circulation process of each procedure, and the surface cleanliness of the sliding bearing is further ensured; (2) the circulation time of the sliding bearing among three procedures of drying, tin coating and centrifugal casting is short, the heat loss of the sliding bearing in the circulation process among the procedures is small, in addition, the heat preservation effect of the tin liquid heating holding furnace and the alloy liquid heating holding furnace on the tin liquid and the alloy liquid is good, the occurrence of the condition that the temperature difference between the workpiece of the sliding bearing and the temperature of the tin liquid or the temperature of the alloy liquid is large is avoided, the bonding strength between the steel sleeve and the alloy is ensured, the bonding strength between the steel sleeve and the alloy is high, the quality problems of separation and falling of the alloy and the steel sleeve, bubbling and the like can not be caused, and the product quality is greatly improved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any modifications or equivalent changes made in accordance with the technical spirit of the present invention are also within the scope of the present invention.
Claims (5)
1. The utility model provides a stoving heat preservation device of slide bearing alloy casting usefulness which characterized in that: including the box, be provided with the running gear who enables the box and freely walk on ground in the bottom of box, be provided with three independent furnace body side by side in the box, three furnace body is drying furnace, tin liquid heating heat preservation stove and alloy liquid heating heat preservation stove in proper order, and the fire door of every furnace body is provided with the apron respectively, and the structure of every furnace body includes: the furnace comprises an outer furnace body and an inner container arranged in the outer furnace body, wherein a heating layer consisting of electric heating elements, a fireproof layer consisting of refractory bricks and a heat-insulating layer consisting of heat-insulating materials are sequentially arranged between the outer furnace body and the inner container from inside to outside; the inner container of the drying furnace is horizontally provided with a filter screen for placing a sliding bearing, the box body is also provided with a controller, and the controller is simultaneously electrically connected with electric heating elements of the heating layers in the three furnace bodies so as to control the temperature of the three furnace bodies.
2. The drying and heat-insulating device for casting the sliding bearing alloy according to claim 1, characterized in that: the heat-insulating layer comprises an inner heat-insulating layer and an outer heat-insulating layer which are made of ceramic fiber materials.
3. A drying and heat-insulating device for casting a sliding bearing alloy according to claim 1 or 2, characterized in that: the running gear is a plurality of running wheels arranged at the bottom of the box body.
4. A drying and heat-insulating device for casting a sliding bearing alloy according to claim 1 or 2, characterized in that: the electric heating element is a heating wire or a resistance band which is electrically connected with the controller.
5. A drying and heat-insulating device for casting a sliding bearing alloy according to claim 1 or 2, characterized in that: and a rotary elastic gripper which can put the sliding bearing into the furnace body or take the sliding bearing out of the furnace body is arranged above the furnace body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020553590.1U CN212320410U (en) | 2020-04-15 | 2020-04-15 | Drying and heat-insulating device for casting sliding bearing alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020553590.1U CN212320410U (en) | 2020-04-15 | 2020-04-15 | Drying and heat-insulating device for casting sliding bearing alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212320410U true CN212320410U (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020553590.1U Active CN212320410U (en) | 2020-04-15 | 2020-04-15 | Drying and heat-insulating device for casting sliding bearing alloy |
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| Country | Link |
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| CN (1) | CN212320410U (en) |
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2020
- 2020-04-15 CN CN202020553590.1U patent/CN212320410U/en active Active
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