Automatic Forming Machine for Pulp Molding Product

Abstract

An automatic forming machine for pulp molding product is disclosed. Through an innovative design to ensure stable rise and fall of the hot pressing lower mold, the hot forming zone is optimized. The invention has the following characteristics: On the bottom side of the hot pressing lower mold, a supporting arm is extended downward in each of the four directions. On the supporting arm, a sliding block is fixed. A penetrating hole slot is configured on a base plate at a lower position inside the working space of the hot forming zone at each of the positions corresponding to the supporting arms. The adjacent outer sides of the base plate corresponding to the supporting arms are respectively fixed with a supporting frame. The column surfaces of the supporting frame on the front and rear side are respectively connected with a supporting plate body. The supporting plate body is fixed with a guide rail. The sliding block on the supporting arm is sleeved on the guide rail, so that when the hot pressing lower mold rises or falls, the sliding block can rise or fall simultaneously along the guide rail, maintaining balanced rise and fall of the hot pressing lower mold. Thus, the hot pressing lower mold and the hot pressing upper mold can clamp correctly to enhance product quality.

1 . An automatic forming machine for pulp molding product comprises a pulp sucking and forming zone and a hot forming zone, wherein, the pulp sucking and forming zone is configured with a pulp box and a pulp sucking and forming mold inside a working space, the pulp box is filled with pulp, the pulp sucking and forming mold can rise or fall inside the working space, and can suck pulp from the pulp box to form a primary blank;
 the hot forming zone is configured with a hot pressing upper mold and a hot pressing lower mold inside a working space, the hot pressing upper mold is configured at an upper position inside the working space, the hot pressing lower mold is configured inside the working space and is located below the hot pressing upper mold, the bottom of the hot pressing lower mold is pushed by a power cylinder body to move up and down, characteristically:   a supporting arm is extended from the bottom of the hot pressing lower mold in each of the four directions, the upright surface on the outside of the supporting arm is fixed with a sliding block, a base plate is provided at a lower position inside the working space, a penetrating hole slot is configured on the base plate at each of the positions corresponding to the supporting arms, the adjacent outer sides of the base plate corresponding to the supporting arms on the two sides are respectively fixed with a supporting frame, the column surfaces of the supporting frame on the front and rear side are respectively connected with a supporting plate body, the inner surface of the supporting plate body is fixed with a guide rail, the sliding block on the supporting arm can be sleeved on the guide rail, when the hot pressing lower mold rises or falls, the sliding block can rise or fall simultaneously along the guide rail, maintaining balanced rise and fall of the hot pressing lower mold.   
     
     
         2 . The automatic forming machine for pulp molding product of  claim 1 , wherein the sliding block is divided into an upper sliding block and a lower sliding block. 
     
     
         3 . The automatic forming machine for pulp molding product of  claim 1 ,
 wherein the front surface of the sliding block is in the form of an upright open slot, after extending inward, the two sides are expanded to form an upright sliding clamp slot; the guide rail has an outward protruding rail strip on each of the two sides; each supporting arm is corresponding to a guide rail, the open slot of the sliding block on the supporting arm clamps the corresponding guide rail, the sliding clamp slot is sequentially sleeved on the rail strip on each of the two sides of the guide rail.   
     
     
         4 . The automatic forming machine for pulp molding product of  claim 1 ,
 wherein the supporting arm is fixed with a pushing plate at a position with some distance to the sliding block, the top of the supporting plate body is fixed with a connecting plate, the bottom of the connecting plate is fixed with a stretchable protection cover that can extend or shrink in the vertical direction, the lower end of the protection cover is formed as a free end.   
     
     
         5 . The automatic forming machine for pulp molding product of  claim 4 , wherein,
 after the sliding block on the supporting arm clamps the corresponding guide rail, the pushing plate is pressed upon the free end on the lower side of the protection cover, the protection cover is in an extended state.   
     
     
         6 . The automatic forming machine for pulp molding product of  claim 4 , wherein,
 when the sliding block is pushed by the rising hot pressing lower mold to rise simultaneously along the rail, the pushing plate will push the protection cover to shrink upward, and till the hot pressing lower mold and the hot pressing upper mold clamp, the protection cover is in the maximal shrunk state.