The invention achieves the above purpose through the following technical scheme. A paper corner protection storage tooling comprises a box body, the box body is provided with an upper driving wheel and a lower driving wheel, both ends of the upper driving wheel and the lower driving wheel are respectively provided with fixed pins, and the driving wheel is rotatably fixed in the box body through the fixed pin, A conveyor belt is arranged between the upper driving wheel and the lower driving wheel, a fixed plate is arranged on the conveyor belt, an elastic fixed base is arranged on the fixed plate, an opening and a paper corner outlet are arranged on the surface of the box, a paper corner inlet is arranged on the inner wall of the opening, and the paper corner inlet is connected with the paper corner outlet.

优选地，所述上传动轮和所述下传动轮型号相同，所述上传动轮和所述下传动轮表面分别设有若干限位条，所述传送带内表面设有若干固定条，所述限位条和所述固定条相互啮合，所述箱体内壁上设有两个呈对称结构的上销限位柱、下销限位柱和销通孔，所述下销限位柱和所述销通孔位于同一直线上，所述固定销前端设有限位柱凹槽，所述上销限位柱和下销限位柱分别嵌在所述限位柱凹槽内，所述箱体侧壁上设有旋转阀，所述旋转阀一端设有螺纹槽，所述下传动轮一端的固定销贯穿所述销通孔并螺旋固定在所述螺纹槽上。

Preferably, the models of the upper drive wheel and the lower drive wheel are the same, the surfaces of the upper drive wheel and the lower drive wheel are respectively provided with a plurality of limit strips, the inner surface of the conveyor belt is provided with a plurality of fixed strips, the limit strips and the fixed strips are meshed with each other, and the inner wall of the box is provided with two upper pin limit columns, lower pin limit columns and pin through holes in a symmetrical structure, The lower pin limit column and the pin through hole are located on the same straight line, the front end of the fixed pin is provided with a limit column groove, the upper pin limit column and the lower pin limit column are respectively embedded in the limit column groove, the side wall of the box body is provided with a rotary valve, and one end of the rotary valve is provided with a spiral groove, A fixing pin at one end of the lower transmission wheel penetrates the pin through hole and is spirally fixed on the threaded groove.

优选地，所述箱体两个相对的内壁上设有左焊接板和右焊接板，所述左焊接板和所述右焊接板上分别通过铰链接连接有左折叠板和右折叠板，所述铰链接固定在所述左焊接板和所述左折叠板上表面，所述铰链接固定在所述右焊接板和所述右折叠板下表面，所述左折叠板下表面和所述右折叠板下表面分别设有弹簧柱，所述弹簧柱前端焊接在所述箱体侧壁上。

Preferably, the two opposite inner walls of the box are provided with a left welding plate and a right welding plate, the left welding plate and the right welding plate are respectively connected with a left folding plate and a right folding plate through a hinge link, the hinge link is fixed on the upper surface of the left welding plate and the left folding plate, and the hinge link is fixed on the lower surface of the right welding plate and the right folding plate, The lower surface of the left folding plate and the lower surface of the right folding plate are respectively provided with a first spring column, and the front end of the first spring column is welded on the side wall of the box.

优选地，所述固定板包括滑板和插板，所述滑板可移动的固定在所述插板内，所述固定座部设有弹簧柱，所述弹簧柱部焊接在所述滑板表面，所述固定座倾斜设置，所述纸护角入口与纸护角出口的倾斜角度和所述固定座的倾斜角度相同。

Preferably, the fixed plate comprises a sliding plate and an inserting plate, the sliding plate is movably fixed in the inserting plate, the bottom of the fixed base is provided with a first spring column, the bottom of the first spring column is welded on the surface of the sliding plate, the fixed base is obliquely arranged, and the inclination angle of the paper corner protection inlet and the paper corner protection outlet is the same as that of the fixed base.

优选地，所述弹簧柱的长度与两个固定座之间的间隔距离相同。

Preferably, the length of the first spring column is the same as the spacing distance between the two fixed bases.

优选地，所述滑板侧壁上设有插轴，所述插轴两侧设有呈对称结构的导向轴，所述插板上设有插孔，所述插孔两侧设有呈对称结构的导向槽，所述插轴嵌在所述插孔内，所述导向轴嵌在所述导向槽内。

Preferably, an insertion shaft is arranged on the side wall of the sliding plate, a guide shaft with symmetrical structure is arranged on both sides of the insertion shaft, a jack is arranged on the insertion plate, a guide groove with symmetrical structure is arranged on both sides of the jack, the insertion shaft is embedded in the jack, and the guide shaft is embedded in the guide groove.

优选地，所述导向轴前端部设有固定子，所述导向轴上表面和下表面分别设有呈对称结构的限位槽，所述导向槽内部表面设有固定子凹槽，所述固定子嵌在所述固定子凹槽内，所述导向槽上表面和下表面分别设有弹性连杆和滑轮，所述滑轮通过滑轮轴焊接在所述连杆部。

Preferably, the bottom of the front end of the guide shaft is provided with a fixing sub, the upper and lower surfaces of the guide shaft are respectively provided with a limit groove in a symmetrical structure, the inner bottom surface of the guide groove is provided with a fixing sub groove, the fixing sub is embedded in the fixing sub groove, and the upper and lower surfaces of the guide groove are respectively provided with an elastic connecting rod and a pulley, The pulley is welded at the bottom of the connecting rod through the pulley shaft.

优选地，所述连杆包括固定杆和移动杆，所述固定杆上设有移动杆凹槽，所述移动杆部设有第二弹簧柱，所述第二弹簧柱部焊接在所述移动杆凹槽表面，所述移动杆凹槽内壁上设有两个呈对称结构的定位槽，所述移动杆侧壁上设有两个呈对称结构的定位条，所述定位条和所述定位槽相互卡和。

Preferably, the connecting rod comprises a fixed rod and a moving rod, the fixed rod is provided with a moving rod groove, the bottom of the moving rod is provided with a second spring column, the bottom of the second spring column is welded on the bottom surface of the moving rod groove, the inner wall of the moving rod groove is provided with two positioning grooves with symmetrical structure, and the side wall of the moving rod is provided with two positioning strips with symmetrical structure, The positioning strip and the positioning groove are clamped with each other.

优选地，所述第二弹簧柱的长度为所述移动杆凹槽深度的2/3～3/4。

Preferably, the length of the second spring column is 2 / 3 ~ 3 / 4 of the groove depth of the moving rod.

优选地，每个导向槽内固定子凹槽的个数为两个，每个导向轴上限位槽的个数为两对，两个固定子凹槽之间的距离和两对限位槽之间的距离相同，每对滑轮之间的间隔距离为2～3mm。

Preferably, the number of fixed sub grooves in each guide groove is two, the number of upper limit grooves of each guide shaft is two pairs, the distance between the two fixed sub grooves is the same as that between the two pairs of limit grooves, and the spacing distance between each pair of pulleys is 2 ~ 3mm.