Automatic sand feeding equipment of sand blasting machine

Abstract

The utility model belongs to the technical field of sand blasting machine equipment, and particularly relates to automatic sand feeding equipment of a sand blasting machine. Comprising a workpiece frame mounted on the ground and used for placing a metal casting to be subjected to sand blasting cleaning; the sand receiving funnel is transversely and linearly arranged at the bottom of the workpiece frame and is used for receiving sand falling from pores of the workpiece frame; the belt conveyor is mounted below the sand receiving funnels and is arranged corresponding to the plurality of sand receiving funnels; the spiral conveyor is mounted below the discharge ends of the plurality of belt conveyors and is used for conveying the sand conveyed on the plurality of belt conveyors into a sand pit; and the feeding end of the bucket elevator is mounted in the sand pit at the discharging end of the spiral conveyor, and the sand is lifted and fed into the sand cylinder through the bucket elevator. According to the equipment, a manual sand loading link is omitted, so that the working efficiency is improved, and the labor intensity of workers is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sand blasting machine equipment technical field, especially related to a sand blasting machine automatic sand feeding equipment. BACKGROUND

[0002] When the metal casting surface is sand blasted and cleaned, the sand blasting machine is needed, and the sand feeding link to the sand cylinder of the sand blasting machine is a hard work, the worker uses the shovel to shovel the sand into the sand cylinder which is more than 1m high, and the sand is added once an hour on average. Because it is a closed environmental protection type sand blasting room, the travelling crane and the forklift are not suitable. Therefore, we designed this automatic sand feeding equipment. CONTENT OF UTILITY MODEL

[0003] The utility model discloses a sand blasting machine automatic sand feeding equipment, which saves the manual sand loading link, improves the work efficiency, and reduces the labor intensity of workers.

[0004] To solve the above technical problems, the utility model provides a sand blasting machine automatic sand feeding equipment, which comprises:

[0005] Workpiece frame, install on the ground, for placing the metal casting of sand blasting cleaning is waited for;

[0006] Sand receiving funnel, horizontal linearly arranged at the bottom of the workpiece frame, for receiving the sand falling through the aperture of the workpiece frame;

[0007] Belt conveyor, install below the sand receiving funnel, and correspondingly arranged with a plurality of sand receiving funnels;

[0008] Screw conveyor, install below the discharge end of a plurality of belt conveyors, for conveying the sand conveyed on a plurality of belt conveyors into the sand pit;

[0009] Bucket elevator, the feed end is installed in the sand pit of the discharge end of the screw conveyor, and the sand is lifted and fed into the sand cylinder through the bucket elevator.

[0010] Preferably, the workpiece frame is composed of support legs and grid grating plates, and the upper ends of the four support legs are provided with the grid grating plates.

[0011] Preferably, the belt conveyor comprises a driving roller, a driven roller and a roller set; the driving roller is rotatably installed at one end of a conveyor frame, the driving roller is driven by a motor, the driven roller is rotatably installed at the other end of the conveyor frame, and a conveying belt is wound between the driving roller and the driven roller, and the roller set is arranged between the driving roller and the driven roller to support the conveying belt.

[0012] Preferably, each of the roller groups is composed of two inclined rollers, and the two inclined rollers are installed in V-shaped structure on the conveyor frame.

[0013] Preferably, the top of the conveying shell of the spiral conveyor is in open structure for directly receiving the sand conveyed by the discharge end of the belt conveyor.

[0014] Preferably, the sand falling small hopper is arranged below the discharge end of the bucket elevator, and the lower end of the sand falling small hopper is communicated to the sand cylinder through the sand falling pipe to drop the sand into the sand cylinder.

[0015] Compared with the prior art, the present application has the following advantages:

[0016] The present application uses the belt conveyor and the spiral conveyor installed on the pit to convey the sand for sand blasting cleaning, and uses the bucket elevator to lift the sand to above the sand cylinder, so that the sand falling during the sand blasting cleaning operation is continuously and circularly sent into the sand cylinder, thereby saving the manual sand loading link, improving the work efficiency, and reducing the labor intensity of workers. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 is a structural diagram of the automatic sand feeding equipment of the sand blasting machine.

[0018] Fig. 2 is a structural diagram of the workpiece frame.

[0019] Fig. 3 is a structural diagram of the sand receiving hopper.

[0020] Fig. 4 is a structural diagram of the belt conveyor.

[0021] In the drawings: 1-workpiece frame, 11-supporting leg, 12-grid plate, 2-sand receiving hopper, 3-belt conveyor, 31-driving roller, 32-driven roller, 33-roller group, 4-spiral conveyor, 5-bucket elevator, 6-sand cylinder, 7-sand falling small hopper, 8-sand falling pipe, 9-sand pit. DETAILED DESCRIPTION

[0022] The present application will be further described in detail below in combination with the drawings and specific embodiments. According to the following description, the advantages and features of the present application will be more apparent. It should be noted that the drawings are very simplified and use non-precise proportions, and are only used to facilitate and clarify the purpose of assisting the description of the embodiments of the present application.

[0023] For example, Figs. 1-4The utility model discloses an automatic sand feeding equipment of sand blasting machine, the workpiece frame 1 and the sand receiving hopper 2 of the equipment are installed on the ground, the sand receiving hopper 2 is installed below the workpiece frame 1, is used for the sand that falls down when sand blasting operation is received, the belt conveyor 3 and the screw conveyor 4 are installed in the pit, the belt conveyor 3 is installed below the sand receiving hopper 2, the screw conveyor 4 is horizontally installed below one end of the belt conveyor 3, and the height is lower than the belt conveyor 3, the bucket elevator 5 is installed at the tail end of the screw conveyor 4, the lower end of the bucket elevator 5 is installed in the sand pit 9, and the height is lower than the screw conveyor 4, is used to lift the sand to the height higher than the mouth of sand cylinder 6, and the sand is introduced into sand cylinder 6 through the sand falling small hopper 7 and the sand falling pipe 8.

[0024] Specifically includes:

[0025] The workpiece frame 1 is installed on the ground and is used for placing metal castings to be sand blasted and cleaned.

[0026] The sand receiving hopper 2 is horizontally and linearly arranged at the bottom of the workpiece frame 1 and is used for receiving the sand falling through the aperture of the workpiece frame 1.

[0027] The belt conveyor 3 is installed below the sand receiving hopper 2 and is correspondingly arranged with the plurality of sand receiving hoppers 2.

[0028] The screw conveyor 4 is installed below the discharge end of the plurality of belt conveyors 3 and is used for conveying the sand conveyed by the plurality of belt conveyors 3 into the sand pit 9.

[0029] The bucket elevator 5 is installed at the sand pit 9 at the discharge end of the screw conveyor 4 and is used for lifting the sand into the sand cylinder 6 through the bucket elevator 5.

[0030] The workpiece frame 1 is composed of support legs 11 and grid grating plates 12.

[0031] The belt conveyor 3 includes a driving roller 31, a driven roller 32 and a group of supporting rollers 33.

[0032] Each group of supporting rollers 33 is composed of two inclined rollers, and the two inclined rollers are rotatably installed on the conveyor frame in a V-shaped structure, so that the V-shaped angle can be formed when the conveying belt runs, and the sand can be conveniently conveyed.

[0033] The top of the conveying shell of the screw conveyor 4 is in an open structure and is used for directly receiving the sand conveyed by the discharge end of the belt conveyor 3.

[0034] A sand dropping hopper 7 is arranged below the discharge end of the bucket elevator 5, and the lower end of the sand dropping hopper 7 is communicated to the sand cylinder 6 through a sand dropping pipe 8 to drop the sand into the sand cylinder 6.

[0035] The working principle is as follows:

[0036] The metal casting workpiece needing sand blasting cleaning is placed on the workpiece frame 1 for sand blasting cleaning, the fallen sand is dropped to the belt conveyor 3 through the sand receiving hopper 2, the belt conveyor 3 and the screw conveyor 4 continuously convey the sand to the sand pit 9 at the lower end of the bucket elevator 5, the bucket elevator 5 lifts the sand to a high place, and the sand is introduced into the sand cylinder 6 through the sand dropping hopper 7 and the sand dropping pipe 8.

[0037] The above description is only a description of the preferred embodiment of the present application, and is not any limitation on the scope of the present application, and any modification and modification of the above disclosure by the ordinary skilled in the art is within the protection scope of the claims.

Claims

1. An automatic sand feeding device for a sandblasting machine, characterized in that, include: Workpiece rack (1), installed on the ground, is used to place metal castings to be sandblasted; A sand-receiving funnel (2) is arranged horizontally and linearly at the bottom of the workpiece frame (1) to receive sand falling through the holes of the workpiece frame (1). A belt conveyor (3) is installed below the sand receiving hopper (2) and is arranged correspondingly to several of the sand receiving hoppers (2); A screw conveyor (4) is installed below the discharge end of several belt conveyors (3) to transport the sand conveyed on several belt conveyors (3) into a sand pit (9). The bucket elevator (5) has its feed end installed in the sand pit (9) at the discharge end of the screw conveyor (4), and the bucket elevator (5) lifts and feeds the sand into the sand cylinder (6).

2. The automatic sand feeding device for a sandblasting machine as described in claim 1, characterized in that, The workpiece rack (1) is composed of support legs (11) and grid plates (12), with the grid plates (12) provided at the upper ends of the four support legs (11).

3. The automatic sand feeding device for a sandblasting machine as described in claim 1, characterized in that, The belt conveyor (3) includes a drive roller (31), a driven roller (32), and a set of idler rollers (33). The drive roller (31) is rotatably mounted on one end of the conveyor frame and is driven by a motor. The driven roller (32) is rotatably mounted on the other end of the conveyor frame. A conveyor belt is wound between the drive roller (31) and the driven roller (32). The set of idler rollers (33) is arranged between the drive roller (31) and the driven roller (32) to support the conveyor belt.

4. The automatic sand feeding device for a sandblasting machine as described in claim 3, characterized in that, Each of the roller groups (33) consists of two inclined rollers, and the two inclined rollers are rotatably mounted on the conveyor frame in a V-shape.

5. The automatic sand feeding device for a sandblasting machine as described in claim 1, characterized in that, The top of the conveying shell of the screw conveyor (4) is an open structure, which is used to directly receive the sand conveyed by the discharge end of the belt conveyor (3).

6. An automatic sand feeding device for a sandblasting machine as described in any one of claims 1 to 5, characterized in that, It also includes a small sand-falling funnel (7) and a sand-falling pipe (8). The small sand-falling funnel (7) is located below the discharge end of the bucket elevator (5). The lower end of the small sand-falling funnel (7) is connected to the sand cylinder (6) through the sand-falling pipe (8) so that sand falls into the sand cylinder (6).

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