Valve mold shell sand rolling device

Abstract

The utility model provides a valve mold shell sand rolling device which comprises a supporting box body with an open upper surface, a placing window is formed in the upper end of the front face of the supporting box body, a first spiral conveyor is arranged at the bottom in the supporting box body, and a placing plate used for placing a valve mold shell is arranged at the upper end of the left side face in the supporting box body. A circulating box body is arranged on the left side face of the supporting box body, a discharging port of the first spiral conveyor is connected with the circulating box body, an openable plate is hinged to the tail end of the containing plate, a discharging part is arranged on the upper surface of the supporting box body, and a circulating part is arranged in the circulating box body. According to the sand spraying device, sand spraying on the surface of the wax mold can be achieved, and mold covering sand can be recycled.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve production and manufacturing technical field, especially a valve formwork sanding device. BACKGROUND

[0002] Investment casting is also called lost wax casting, including wax pressing, wax repairing, tree assembling, slurry dipping, wax melting, metal liquid pouring and post-processing. Lost wax casting is to make a wax model of the part to be cast, and then coat the wax model with slurry, which is the mud model.

[0003] Sand spraying is to dip the wax model in the machine after coating with slurry, and the sand falls from top to bottom to coat the surface of the wax model with fine sand to form a mold shell.

[0004] When sanding the wax model, the wax model is manually clamped and dipped in the machine for sanding. The manual sanding is low in efficiency and the rotation speed is not controllable, which cannot make the surface of the wax model evenly sand, resulting in poor use effect of the wax model. In the sanding process, if the slurry on the surface of the wax model is less, the surface of the wax model may not be covered with sand, which needs to be re-dipped, and the operation is complicated. SUMMARY

[0005] Therefore, the utility model aims to provide a valve formwork sanding device which can sand the surface of the wax model and realize reuse of the mold sand.

[0006] The utility model adopts the following method: a valve formwork sanding device, including the support box body that upper surface is open, the support box body positive face upper end is equipped with the placement window, the support box body inner bottom is provided with first screw conveyor, the support box body left side face upper end is provided with the placement board that is used for placing the valve formwork, the support box body left side face is provided with the circulating box body, the first screw conveyor's discharge port is connected with the circulating box body and is provided, the placement board tail end is hinged and is provided with the openable and closeable board, the support box body upper surface is provided with the blanking piece, the circulating box body is provided with the circulating piece.

[0007] Further, the lower surface of the placement board is provided with a vibration motor, and the placement board is inclined downward from left to right.

[0008] Further, the circulating piece includes a second screw conveyor, the left end of the circulating box body is provided with the second screw conveyor, the rear surface of the circulating box body is embedded with a first motor at the right end, the output end of the first motor is connected with a rotating shaft, and the rotating shaft is provided with a scattering rod in an annular array around the center of the rotating shaft.

[0009] Further, the blanking part comprises a third screw conveyor, fixed blocks are arranged at left and right ends of the upper surface of the support box body, the third screw conveyor is embedded on the fixed blocks, a discharge hopper corresponding to the support box body is connected to the lower surface of the third screw conveyor, and the third screw conveyor is connected with the second screw conveyor.

[0010] The utility model discloses beneficial effect lies in: the utility model discloses in the device has joined the placement plate, the circulation spare and the blanking part, can realize the placement of valve wax mould, then through blanking part can realize the surface even of valve wax mould Sand, through circulation spare can realize the recycling of the redundant coating sand, thereby can replace manual operation, improve the efficiency of the effect of wax mould sanding better more even, the utility model discloses simple structure, convenient operation can effectively save manpower and material resources, improve work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the structural schematic diagram of the utility model.

[0012] Figure 2 It is the front view of the utility model. DETAILED DESCRIPTION

[0013] The utility model will be further explained in connection with the drawings.

[0014] Please refer to Figure 1 And Figure 2 As shown in the utility model provides an embodiment: a valve formwork sanding device, including the support box body 1 of open upper surface, the support box body 1 front upper end is provided with the placement window 2, the support box body 1 inner bottom is provided with first screw conveyor 3, the support box body 1 left side face upper end is provided with the placement plate 4 for placing valve formwork, the support box body 1 left side is provided with circulation box body 5, the discharge port of first screw conveyor 3 is connected with circulation box body 5 and is arranged, the placement plate 4 terminal is hinged and is provided with openable and closeable board 41, the support box body 1 upper surface is provided with blanking part 6, and the circulation box body 5 is provided with circulation spare 7.Make through the valve formwork is placed on the placement plate 4, then through blanking part 6 and is sprinkled on the valve formwork, and the excess coating sand is dropped to first screw conveyor 3 through openable and closeable board 41, and then the excess coating sand is transported to circulation box body 5 through first screw conveyor 3 and is recycled again.

[0015] The hinged setting in the utility model is driven by motor, and those skilled in the art can clearly understand that detailed description is not performed here.

[0016] Please continue to refer to Figure 1As shown in the utility model one embodiment, the lower surface of the placing plate 4 is provided with a vibration motor 42, and the placing plate 4 is arranged obliquely downward from left to right. Through the action of the vibration motor 42, the placing plate 4 can be driven to vibrate, and the excess molding sand can be conveniently vibrated out of the material.

[0017] Please continue to refer to Figure 1 As shown in the utility model one embodiment, the circulating member 7 comprises a second screw conveyor 71, the second screw conveyor 71 is arranged at the left end in the circulating box 5, a first motor (not shown) is embedded at the right end of the rear surface in the circulating box 5, a rotating shaft 72 is connected to the output end of the first motor, and a plurality of scattering rods 73 are arranged in a circular array on the outer side of the rotating shaft 72 with the center of the rotating shaft 72 as the center. Through the second screw conveyor 71, the excess molding sand can be conveyed into the discharging member 6, and the molding sand can be conveniently scattered again by the first motor driving the rotating shaft 72 to rotate.

[0018] Please continue to refer to Figure 1 As shown in the utility model one embodiment, the discharging member 6 comprises a third screw conveyor 61, the upper surface of the support box 1 is provided with a fixed block 62 at both ends, the third screw conveyor 61 is embedded on the fixed block 62, a discharge hopper 63 corresponding to the support box 1 is connected to the lower surface of the third screw conveyor 61, and the third screw conveyor 61 is connected with the second screw conveyor 71. Through the action of the third screw conveyor 61, the molding sand can be poured on the valve wax mold through the discharge hopper 63, and the sanding operation of the valve wax mold can be realized.

[0019] In the utility model, the vibration motor, the screw conveyor and the motor are all prior art, and those skilled in the art can clearly understand them, and detailed description is not performed here.

[0020] The above is only the preferred embodiment of the utility model, and any change and modification made within the scope of the utility model patent application shall belong to the scope of the utility model.

Claims

1. A valve mold shell sand-binding device, characterized in that: The device includes a support box with an open upper surface, a placement window at the upper front of the support box, a first screw conveyor at the bottom of the support box, a placement plate for placing valve mold shells at the upper left side of the support box, a circulation box on the left side of the support box, the discharge port of the first screw conveyor connected to the circulation box, an openable plate hinged to the end of the placement plate, a material discharge component on the upper surface of the support box, and a circulation component inside the circulation box.

2. The valve mold shell sand-binding device according to claim 1, characterized in that: A vibration motor is provided on the lower surface of the placement plate, and the placement plate is inclined downward from left to right.

3. The valve mold shell sand-binding device according to claim 1, characterized in that: The circulation component includes a second spiral conveyor. The second spiral conveyor is provided at the left end of the circulation box. A first motor is embedded at the right end of the rear surface of the circulation box. The output end of the first motor is connected to a rotating shaft. A dispersing rod is arranged in a ring around the center of the rotating shaft on the outer side of the rotating shaft.

4. A valve mold shell sand-binding device according to claim 3, characterized in that: The feeding component includes a third spiral conveyor. Fixed blocks are provided at both ends of the upper surface of the support box. The third spiral conveyor is embedded in the fixed blocks. The lower surface of the third spiral conveyor is connected to a discharge hopper corresponding to the support box. The third spiral conveyor is connected to the second spiral conveyor.

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