Tray rack for heat treatment of aluminum plate

Abstract

The utility model relates to an aluminum plate heat treatment tray rack which comprises a rectangular base, a pair of lifting lugs protruding outwards are fixed to the front side end face and the rear side end face of the rectangular base respectively, and stand columns are vertically fixed to the four corners of the upper end face of the rectangular base respectively. First positioning sleeves are vertically fixed to the outer sides of the upper portions of the two stand columns located on one diagonal line respectively, second positioning sleeves are vertically fixed to the front side and the rear side of the rectangular base respectively, and the projection of the first positioning sleeves in the overlook direction coincides with the projection of the second positioning sleeves in the overlook direction. According to the tray rack, aluminum plates can be conveniently placed for heat treatment, a gap between two stacks of aluminum plates can be guaranteed, and the heat treatment effect is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of aluminium sheet heat treatment tray frame. BACKGROUND

[0002] Aluminium sheet needs to be annealed in production process, and the existing annealing method is to stack multiple aluminium sheets and then put them into annealing furnace for annealing treatment, and the space between the upper and lower adjacent two aluminium sheets is separated by wooden pallets. However, the use of wooden pallets to separate aluminium sheets may cause insufficient space between the upper and lower adjacent two wooden pallets, and the heat circulation is not smooth. In addition, the difference in thermal conductivity between wooden pallets and aluminium sheets may cause uneven heating in the contact part between wooden pallets and aluminium sheets. SUMMARY

[0003] The utility model aims to provide a kind of aluminium sheet heat treatment tray frame, the tray frame is convenient to place aluminium sheet for heat treatment, and it helps to ensure the gap between two aluminium sheets.

[0004] The technical scheme of the utility model is as follows: a kind of aluminium sheet heat treatment tray frame, including rectangular base, a pair of outward protruding lugs is fixed on the front and rear side end surface of the rectangular base, vertical fixing is carried out on the four corners of the upper end surface of rectangular base, vertical fixing is carried out on the outer side of the upper part of two columns of vertical columns located on one diagonal line, a first positioning sleeve is fixed on the outer side of the upper part of two columns of vertical columns located on one diagonal line, a second positioning sleeve is vertically fixed on the front and rear sides of the rectangular base, and the projection of the first positioning sleeve in the overhead direction coincides with the projection of the second positioning sleeve in the overhead direction.

[0005] Further, the rectangular base includes two parallel horizontal square tubes, a plurality of vertical square tubes are welded in the horizontal direction between the two horizontal square tubes, and a bottom plate is welded on the upper side of the horizontal square tube and the vertical square tube.

[0006] Further, five vertical square tubes are welded in the horizontal direction between the two horizontal square tubes, and the outer side surface of the vertical square tube on both sides is flush with the side end surface of the horizontal square tube.

[0007] Further, the horizontal square tube and the vertical square tube are both steel pipes, and the bottom plate is a steel plate.

[0008] Further, the lug includes a fixed plate fixedly connected with the rectangular base, and a vertical column with a flange on the outer side end is fixed on the fixed plate.

[0009] Further, the fixed plate is welded with the rectangular base, and the vertical column is welded with the fixed plate.

[0010] Further, the column is a rectangular column, and a connecting plate is welded at a lower end of the rectangular column, and the connecting plate is fixedly connected with the rectangular base through bolts.

[0011] Further, the rectangular column is a steel pipe, and the connecting plate is a steel plate.

[0012] Compared with the prior art, the utility model has the following advantages:

[0013] 1. The tray frame is convenient to place aluminum plates for heat treatment, and multiple aluminum plates can be stacked up and down, which helps to ensure the gap between the two stacked aluminum plates, and the heat circulation is more smooth, which helps to ensure the heat treatment effect of the aluminum plates.

[0014] 2. The tray frame can be directly connected and positioned through the first positioning sleeve and the second positioning sleeve, which is convenient to operate and use.

[0015] 3. The tray frame is made of steel, which helps to improve the service life, and the thermal conductivity coefficient of the aluminum plate is relatively small, so that the aluminum plate in contact with the tray frame can be heated more evenly. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a front view of the utility model;

[0017] Fig. 2 It is a left view of the utility model;

[0018] Fig. 3 It is a top view of the utility model;

[0019] Fig. 4 It is a cooperation schematic view of two tray frames after stacking of the utility model;

[0020] In the drawing: 1- latch 10- rectangular base 11- horizontal square tube 12- vertical square tube 13- bottom plate 20- lifting lug 21- fixed plate 22- vertical column 30- column 31- rectangular column 32- connecting plate 40- first positioning sleeve 50- second positioning sleeve. DETAILED DESCRIPTION

[0021] In order to make the above features and advantages of the utility model more obvious and easy to understand, the following embodiments are specifically described, and the detailed description is as follows in combination with the drawings, but the utility model is not limited thereto.

[0022] REFERENCE Figs. 1 to 4

[0023] The utility model provides an aluminium sheet heat treatment tray frame, including the rectangular base 10, the front and back side end surface of rectangular base is fixed with a pair of outward protruding lug 20 respectively, the upper end surface of rectangular base four corner is all fixed with the stand 30 vertically, the upper outer side of two stands of one diagonal line is all fixed with first positioning sleeve pipe 40 vertically, the front and back side of rectangular base is all fixed with a second positioning sleeve pipe 50 vertically, the projection of first positioning sleeve pipe top direction coincides with the projection of second positioning sleeve pipe top direction, so that two tray frames are stacked, and a pin 1 with flange on the upper end is inserted into first positioning sleeve pipe and second positioning sleeve pipe, the connection of two tray frames is realized.

[0024] In the embodiment, the rectangular base comprises two equal-length and parallel transverse square tubes 11, a plurality of longitudinal square tubes 12 are welded along the transverse direction and spaced apart between the two transverse square tubes, and a bottom plate 13 is welded on the upper side of the transverse square tube and the longitudinal square tube to form a rectangular base.

[0025] In the embodiment, five longitudinal square tubes are welded along the transverse direction and spaced apart between the two transverse square tubes, and the outer side surfaces of the longitudinal square tubes on the two sides are flush with the side end surfaces of the transverse square tubes.

[0026] In the embodiment, the transverse square tube and the longitudinal square tube are both steel pipes, and the bottom plate is a steel plate.

[0027] In the embodiment, the lug comprises a fixed plate 21 fixedly connected with the rectangular base, and a longitudinal column 22 with a flange on the outer end is fixed on the fixed plate.

[0028] In the embodiment, the fixed plate is welded with the rectangular base, and the longitudinal column is welded with the fixed plate.

[0029] In the embodiment, the stand is a rectangular column 31, and a connecting plate 32 is welded on the lower end of the rectangular column, and the connecting plate is fixedly connected with the rectangular base through bolts.

[0030] In the embodiment, the rectangular column is a steel pipe, and the connecting plate is a steel plate.

[0031] In use, a stack of aluminium sheets is placed in each tray frame, the lug is hooked by a lifting belt, the tray frame is moved into a return furnace by a travelling crane, another tray frame with aluminium sheets is stacked on the tray frame, and the positioning of the two tray frames is completed through the pin.

[0032] In the above utility model, the terms "first", "second", etc. are used to limit the components, and those skilled in the art should know that the use of "first" and "second" is only for the convenience of distinguishing the components, and the above terms have no special meaning unless otherwise stated.

[0033] If the utility model discloses or involves mutually fixed connecting parts or structural members, then, except for another declaration, fixed connection can be understood as: detachably fixed connection (for example, bolt or screw connection), and also can be understood as: non-detachable fixed connection (for example, riveting, welding), of course, the mutual fixed connection can also be replaced by integral structure (for example, integrally formed by using casting process) (except for obviously unable to use integral forming process).

[0034] In addition, the terms used to represent the positional relationship or shape in any of the technical solutions disclosed in the utility model above include the approximate, similar or close state or shape, except for another declaration.

[0035] Any component provided by the utility model can be assembled from multiple individual components, or can be an individual component manufactured by integral forming process.

[0036] The above is only a preferred embodiment of the utility model, and any change and modification made within the scope of the utility model patent application shall be included in the scope of the utility model.

Claims

1. An aluminum sheet heat treatment tray rack comprising a rectangular base, characterized in that, The rectangular base is provided with a pair of outward protruding lifting lugs on the front and rear end faces respectively, vertical posts are fixed on the four corners of the upper end face of the rectangular base, first positioning sleeve pipes are vertically fixed on the outer sides of the upper portions of the two vertical posts located on one diagonal line, a second positioning sleeve pipe is vertically fixed on the front and rear sides of the rectangular base, and the projection of the first positioning sleeve pipe in the top view direction coincides with the projection of the second positioning sleeve pipe in the top view direction.

2. The aluminum sheet heat treatment pallet rack of claim 1, wherein, The rectangular base comprises two parallel transverse square tubes, a plurality of longitudinal square tubes are welded in transverse intervals between the two transverse square tubes, and a bottom plate is welded on the upper side of the transverse square tube and the longitudinal square tube.

3. The aluminum sheet heat treatment pallet rack of claim 2, wherein, Five longitudinal square tubes are welded in transverse intervals between the two transverse square tubes, and the outer side faces of the longitudinal square tubes on the two sides are flush with the side end faces of the transverse square tubes.

4. The aluminum sheet heat treatment pallet rack of claim 2 or 3, wherein, The transverse square tube and the longitudinal square tube are both steel pipes, and the bottom plate is a steel plate.

5. The aluminum sheet heat treatment pallet rack of claim 1, 2, or 3, wherein, The lifting lug comprises a fixed plate fixedly connected with the rectangular base, and a longitudinal column with a flange on the outer side end is fixed on the fixed plate.

6. The aluminum sheet heat treatment pallet rack of claim 5, wherein, The fixed plate is welded with the rectangular base, and the longitudinal column is welded with the fixed plate.

7. The aluminum sheet heat treatment pallet rack of claim 1, wherein, The vertical post is a rectangular column, a connecting plate is welded on the lower end of the rectangular column, and the connecting plate is fixedly connected with the rectangular base through bolts.

8. The aluminum sheet heat treatment pallet rack of claim 7, wherein, The rectangular column is a steel pipe, and the connecting plate is a steel plate.

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