CN214792394U - Continuous drying device for parts subjected to QPQ treatment - Google Patents

Abstract

The utility model belongs to the technical field of the QPQ treatment facility, specifically disclose a continuous type drying device for QPQ handles back part, including drying chamber, ground rail and a plurality of travelling bogie, a plurality of travelling bogie move respectively on ground rail, and drying chamber one side is equipped with import and export respectively, and in ground rail stretched into the drying chamber along the import to stretch out the drying chamber along the export outdoor, the drying chamber was kept away from and is equipped with the air heater on the wall body of import or export one side, and the air heater is towards the inside of drying chamber. Adopt the utility model discloses a problem that the part can not dry in succession among the prior art has not only been solved to the scheme, in addition because the QPQ processing procedure, the part all adopts the hanger to remove between each workshop section, and adopts current stoving bucket, need take off the part from the hanger and just can dry, and in this scheme, need not to lift the part off, also need not to load back into the hanger consuming time after drying simultaneously in order to carry out processing such as next shot blast to make the time limit for a project of parts processing shorten by a wide margin.

Description

Continuous drying device for parts subjected to QPQ treatment

Technical Field

The utility model belongs to the technical field of QPQ treatment facility, concretely relates to continuous type drying device that is used for QPQ to handle back part.

Background

QPQ, nitrogen-carbon-oxygen composite surface treatment technology, refers to a method for improving the surface performance of a metal material by putting a black metal part into two salt baths with different properties, permeating Fe-N compounds mainly formed by nitrogen into the surface of the metal material through the salt baths and simultaneously forming Fe-C compounds and oxygen compounds along with the permeation of a small amount of carbon.

The common nitrogen-carbon-oxygen co-permeation technology is mainly applied to the fields of automobiles, petrochemical industry, molds, textiles, aerospace and the like, the treatment temperature of the common nitrogen-carbon-oxygen co-permeation technology is 500-580 ℃, a hanger is adopted to place parts to be treated on the hanger in batches, the frame of the hanger is combined with a picture 1, the internal structure of the hanger is arranged according to the treated parts, the parts to be treated are sequentially subjected to preheating, salt bath, cleaning, shot blasting and the like, the cleaned parts need to be dried, and the drying barrel adopted at present occupies a small area, but the drying amount of each time is limited, and the drying treatment of the next part can be continued after the drying of one part is completed, so that the part treatment period is longer.

SUMMERY OF THE UTILITY MODEL

To exist not enough among the prior art, the utility model provides a continuous type drying device for QPQ handles back part to solve the stoving bucket that adopts at present, need dry at a batch part and accomplish the back, just can continue the drying process of next batch part, make the long problem of period of time of part processing.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a continuous type drying device for QPQ handles back part, including drying chamber, ground rail and a plurality of travelling bogie, a plurality of travelling bogie move respectively on the ground rail, and drying chamber one side is equipped with import and export respectively, the ground rail is end to end, and stretches into in the drying chamber along the import to stretch out the drying chamber outdoor along the export, the drying chamber is kept away from and is equipped with the air heater on the wall body of import or export one side, and the air heater is towards the inside of drying chamber.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. in this scheme, before drying, the hanger of QPQ treatment back part will be equipped with, put on the positioning disk, open the air heater in the drying chamber, make the inside temperature of drying chamber rise, the after-start travelling bogie, make it enter into in the drying chamber, when travelling bogie passes through the air heater, the hot-blast effect of air heater exhaust is on the hanger, carry out drying process to the part, when the travelling bogie is close to the air heater simultaneously, can reduce the travelling speed of travelling bogie, make the part dry more thoroughly.

2. In this scheme, because the travelling bogie is equipped with a plurality ofly, therefore a batch of parts before can continue to put the hanger that is equipped with next batch of parts on next travelling bogie after getting into the drying chamber to realize the continuous type stoving of batch parts, and the part after the stoving, under the conveying of travelling bogie, go out the drying chamber from the export, operating personnel can take off the hanger after closing this travelling bogie.

3. Adopt this technical scheme not only to solve the problem that the part after QPQ handles among the prior art can not dry in succession, in addition, because in the QPQ processing procedure, the part all adopts the hanger to remove between each workshop section, and adopt current stoving bucket, need take off the part from the hanger and just can dry, and in this scheme, because the travelling bogie can carry the hanger and get into the drying chamber, consequently need not to lift the part off, also need not to put back in order to carry out processing such as next shot-blasting in the hanger consuming time after drying simultaneously, thereby make the time limit for a project of parts handling shorten by a wide margin.

Furthermore, the top of the transport trolley is provided with a mounting seat, the top of the mounting seat is horizontally provided with a positioning plate, the top of the positioning plate is fixed with a plurality of arc-shaped blocks, the arc-shaped blocks form a limiting ring, and the outer diameter of the limiting ring is the same as the inner diameter of the bottom of the hanger.

Has the advantages that: set up like this and improve the hanger and remove in-process stability at the travelling bogie.

Furthermore, the installation seat is vertically and rotatably connected with a rotating shaft, the positioning disc is coaxially fixed on the rotating shaft, and a driving unit for driving the rotating shaft to rotate is arranged on the rotating shaft.

Has the advantages that: the rotating shaft and the positioning disc synchronously rotate through the driving unit, so that hot wind exhausted by the hot air blower can act on parts in the hanger from all directions.

Furthermore, the driving unit comprises a gear coaxially fixed below the positioning disc, a ground rail close to the air heater is a baking section, a rack is horizontally arranged on the side edge of the baking section, and the rack is meshed with the gear.

Has the advantages that: the gear and the rack are matched, the driving gear and the rotating shaft rotate, and an additional power source is not required to be arranged.

Furthermore, the two racks are arranged on two sides of the baking section of the ground rail respectively, and the tooth surfaces of the two racks face opposite directions.

Has the advantages that: the two sides of the gear are stressed the same, and the stability of the rotation of the gear is improved.

Further, the moving speed of the transport trolley is not more than 0.5 m/s.

Has the advantages that: prevent travelling bogie's speed too fast like this for the part on the hanger can not obtain the problem of abundant stoving, also prevent in addition that the risk that the hanger collapses appears in the removal process.

Further, still including being located the hanger rail directly over the ground rail, sliding connection has a plurality of connecting seats on the hanger rail, and the connecting seat below rotates and is connected with the connecting rod, and the connecting rod bottom articulates there is the couple, and the couple can cooperate with rings on the hanger.

Has the advantages that: therefore, the stability of the hanger in the moving process of the transport trolley is further improved.

Drawings

Fig. 1 is a block diagram of a QPQ part hanger of some kind.

Fig. 2 is a top view of an embodiment of the present invention.

Fig. 3 is a top view of the positioning plate according to the embodiment of the present invention.

Fig. 4 is a front view of the positioning plate according to the embodiment of the present invention.

Reference numerals in the drawings of the specification include: the drying device comprises a hanger 1, a hanging ring 2, a ground rail 10, a drying chamber 11, an inlet 12, an outlet 13, a hot air blower 14, a rotating shaft 15, a positioning disc 16, an arc-shaped block 17, a gear 18 and a baking section 19.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings, and specific embodiments will be given.

The embodiment is basically as shown in fig. 2, the continuous drying device for QPQ processed parts comprises a ground rail 10, a transport cart and a drying chamber 11, wherein the drying chamber 11 is built by heat insulation bricks, an inlet 12 and an outlet 13 are respectively formed on the same side of the drying chamber 11, the ground rail 10 is made of double rails, the ground rail 10 is connected end to end and is located in the drying chamber 11 along the inlet 12 part, and is located outside the drying chamber 11 along the outlet 13 part, the transport cart is provided with a plurality of transport carts and respectively runs on the ground rail 10, and the moving speed of the transport cart does not exceed 0.5 m/s.

Be equipped with a plurality of air heaters 14 on keeping away from the wall body of import 12 or export 13 one side in drying chamber 11, air heater 14 sets up towards the inside of drying chamber 11, the travelling bogie top is equipped with the mount pad in this embodiment, vertical rotation is connected with pivot 15 on the mount pad, the top of pivot 15 is fixed with positioning disk 16, positioning disk 16 is the level setting, combine shown in fig. 3, be fixed with a plurality of arc blocks 17 at positioning disk 16 top, a plurality of arc blocks 17 form spacing ring, the external diameter of this spacing ring equals the internal diameter of hanger 11 bottom.

The rotating shaft 15 is further provided with a driving unit for driving the rotating shaft to rotate, in this embodiment, the driving unit shown in fig. 4 includes a gear 18 coaxially fixed below the positioning plate 16, for convenience of description, one side of the ground rail 10 close to the air heater 14 is defined as a baking section 19, two sides of the baking section 19 of the ground rail 10 are respectively and horizontally provided with racks capable of meshing with the gear 18, and the tooth surfaces of the two racks are opposite in direction.

Still include the hanger rail (not shown in the figure) that is located directly over ground rail 10, the hanger rail is fixed on the interior roof of drying chamber 11, and sliding connection has the connecting seat that corresponds with the quantity of travelling bogie on the hanger rail, and the connecting seat below rotates and is connected with the connecting rod, and the connecting rod bottom articulates there is the couple, and the couple can cooperate with rings 2 on the hanger 1.

Before drying, the hanger 1 with the batch parts is placed on the positioning disc 16 through the limitation of the arc-shaped block 17, the hook is matched with the hanging ring 2 on the hanger 11, the hanger 1 is kept stable, the hot air heater 14 in the drying chamber 11 is turned on, the temperature in the drying chamber 11 is increased, the transport trolley is started afterwards, the transport trolley enters the drying chamber 11 at a low speed, when the transport trolley passes through the baking section 19 of the ground rail 10, the gear 18 is meshed with the racks on two sides, the rotating shaft 15 drives the positioning disc to rotate, hot air can act on the parts in the hanger 11 in all directions, and meanwhile, when the transport trolley runs in the baking section 19 of the ground rail 10, the moving speed of the transport trolley can be further reduced, and the parts are dried more thoroughly.

In the process, a plurality of transport trolleys are arranged, so that after a previous batch of parts enter the drying chamber 11, the rack 1 containing a next batch of parts can be continuously placed on the next transport trolley, continuous drying of the batch of parts is realized, the dried parts are conveyed by the transport trolleys, and then the parts are taken out of the drying chamber 11 from the outlet 13, and the rack 1 can be taken down after an operator closes the transport trolleys.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (7)

1. A continuous type drying device for QPQ handles back part, its characterized in that: including drying chamber, ground rail and a plurality of travelling bogie, a plurality of travelling bogie move respectively on the ground rail, and drying chamber one side is equipped with import and export respectively, the ground rail is end to end, and stretches into in the drying chamber along the import to stretch out outside the drying chamber along the export, the drying chamber is kept away from and is equipped with the air heater on the wall body of import or export one side, and the air heater is towards the inside of drying chamber.

2. The continuous drying device for the QPQ treated parts according to claim 1, wherein: the top of the transport trolley is provided with a mounting seat, the top of the mounting seat is horizontally provided with a positioning disc, the top of the positioning disc is fixed with a plurality of arc-shaped blocks, the arc-shaped blocks form a limiting ring, and the outer diameter of the limiting ring is the same as the inner diameter of the bottom of the hanger.

3. The continuous drying device for the QPQ treated parts according to claim 2, wherein: the vertical rotation is connected with the pivot on the mount pad, and the positioning disk is coaxial to be fixed in the pivot, is equipped with its pivoted drive unit of drive in the pivot.

4. The continuous drying device for the QPQ treated parts according to claim 3, wherein: the driving unit comprises a gear which is coaxially fixed below the positioning disc, a ground rail close to the air heater is a baking section, a rack is horizontally arranged on the side edge of the baking section, and the rack is meshed with the gear.

5. The continuous drying device for the QPQ treated parts according to claim 4, wherein: the two racks are arranged on two sides of the baking section of the ground rail respectively, and the tooth surfaces of the two racks face opposite directions.

6. The continuous drying device for the QPQ treated parts according to claim 1, wherein: the moving speed of the transport trolley does not exceed 0.5 m/s.

7. The continuous drying device for the QPQ treated parts according to claim 6, wherein: still including being located the hanger rail directly over the ground rail, sliding connection has a plurality of connecting seats on the hanger rail, and the connecting seat below rotates and is connected with the connecting rod, and the connecting rod bottom articulates there is the couple, and the couple can cooperate with rings on the hanger.

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