Semi-automatic sand regeneration production line for full dust removal of shakeout machine

Abstract

The semi-automatic sand regeneration production line comprises a fixing plate, supporting legs are welded and fixed to the bottom of the fixing plate, connecting pieces are welded and fixed to the bottoms of the supporting legs, meanwhile, the connecting pieces are fixed to the surface of the shakeout machine in a threaded connection mode, and a servo electric cylinder is fixed to the fixing plate in a threaded connection mode. A piston rod of the servo electric cylinder is fixedly connected with the surface of the communicating box in a screwed mode, meanwhile, a negative pressure hopper is fixedly installed at the bottom of the communicating box, a filter plate is installed in the negative pressure hopper, and a negative pressure pipe connecting base is fixedly installed in the middle of the surface of the communicating box. According to the semi-automatic sand regeneration production line for full dust removal of the shakeout machine, the working heights of the communicating box and the negative pressure hopper can be driven to ascend and descend through two sets of servo electric cylinders which operate synchronously, and the height of the communicating box and the height of the negative pressure hopper are adjusted, so that the full dust removal of the shakeout machine can be achieved according to the working state of the shakeout machine and different process requirements. The height of the dust hood can be flexibly adjusted, and the dust hood can better adapt to different working conditions.

Description

Technical Field

[0001] The utility model relates to the field of sand casting production, in particular to a semi-automatic sand regeneration production line with a sand falling machine for full dust removal. Background Art

[0002] Sand casting is a casting method that produces castings in sand molds. Steel, iron and most non-ferrous alloy castings can be obtained by sand casting, which has always been the basic process in casting production.

[0003] In the existing technology, due to the limitation of casting equipment, manual work is still the main method in the production of green sand molding and coated sand molding casting; the production capacity is low, the number of employees is large, and the labor intensity is high; the production process is very different, and the product quality is unstable; the production cost is high and the environmental pollution is serious, which seriously restricts the development of the industry; and in the resin sand casting process, a large amount of waste molding sand or core sand will be generated. If the molding sand or core sand is not recycled, it will not only pollute the environment, but also increase the cost of the enterprise;

[0004] The disadvantages of the existing technology are: low production efficiency, single variety, poor casting quality, poor production environment, high dust and high labor cost of the traditional production line in the industry;

[0005] In order to solve the above technical problems, the prior art discloses a semi-automatic sand casting production line, and its announcement number is: CN207464109U. The article states that "a dust hood 215 is arranged on the top of the sand falling machine 204, and the dust hood 215 is connected to the dust collector 303 through a pipeline, thereby eliminating the possibility of workers inhaling dust;" When the dust hood is actually used, the installation height of the dust hood is fixed, and the height of the dust hood cannot be flexibly adjusted to better adapt to different working conditions. Utility Model Content

[0006] The utility model aims to provide a semi-automatic sand regeneration production line with sufficient dust removal of a sand falling machine, so as to solve the defects mentioned in the above background technology.

[0007] To achieve the above-mentioned purpose, a semi-automatic sand regeneration production line with sufficient dust removal of a sand falling machine is provided, comprising a fixed plate, a fixed supporting foot is welded to the bottom of the fixed plate, and a fixed connecting piece is welded to the bottom of the supporting foot, and the connecting piece is screwed and fixed to the surface of the sand falling machine, and a servo electric cylinder is screwed and fixed to the fixed plate, and the piston rod of the servo electric cylinder is screwed and fixed to the surface of a connecting box, and a negative pressure bucket is fixedly installed at the bottom of the connecting box, and a filter plate is installed inside the negative pressure bucket, and a negative pressure pipe connecting seat is fixedly installed in the middle of the surface of the connecting box, and the negative pressure pipe connecting seat is fixedly connected to the negative pressure pipe of an external negative pressure pump through a flange.

[0008] Preferably, the fixing plate is a rectangular structure made of plastic material, and an opening is provided in the middle of the fixing plate. The opening is circular, and the diameter of the opening is larger than the diameter of the negative pressure tube connecting seat.

[0009] Preferably, two sets of guide rods are installed on both sides of the surface of the connecting box, and guide holes matching the size of the guide rods are opened on both sides of the surface of the fixing plate, and the guide rods are inserted into the guide holes.

[0010] Preferably, the bottom of the fixing plate is mounted on the surface of the sand shaker via four groups of supporting legs, and three groups of mounting holes are provided on the connecting plates at the bottom of the four groups of supporting legs.

[0011] Preferably, two groups of the servo electric cylinders are symmetrically installed on the surface of the fixed plate, and the two groups of servo electric cylinders drive the connecting box and the negative pressure bucket to perform lifting operations.

[0012] Preferably, four groups of positioning grooves are evenly opened inside the negative pressure bucket, and four groups of positioning blocks are evenly fixed on the surface of the filter plate. At the same time, the filter plate is evenly fixed and screwed at the bottom of the negative pressure bucket by four groups of fixing bolts. The sizes of the positioning grooves and the positioning blocks are adapted, and the positioning blocks are clamped in the positioning grooves. At the same time, the fixing bolts pass through the through holes opened on the positioning blocks and are screwed and fixed in the screw holes opened at the bottom of the positioning grooves.

[0013] Compared with the prior art, the beneficial effect of the utility model is that the working height of the connecting box and the negative pressure bucket can be driven to rise and fall by two sets of synchronously operating servo electric cylinders. By adjusting the height of the connecting box and the negative pressure bucket, the height of the dust hood can be flexibly adjusted according to the working state of the sand falling machine and different process requirements, so as to better adapt to different working conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structural sand regeneration production line of the utility model;

[0015] Figure 2 This is a schematic diagram of a dust hood in the structural sand regeneration production line of the utility model;

[0016] Figure 3 The utility model structure Figure 2 Bottom view of

[0017] Figure 4 The utility model structure Figure 2 Side view of

[0018] Figure 5 The utility model structure Figure 2 A top view of

[0019] Figure 6 This is a schematic diagram of the structure of the filter plate of the utility model.

[0020] Numbers in the figure: 1. Servo electric cylinder; 2. Fixed plate; 3. Opening; 4. Guide rod; 5. Support foot; 6. Connecting plate; 7. Connecting box; 8. Negative pressure bucket; 9. Negative pressure pipe connecting seat; 10. Positioning groove; 11. Positioning block; 12. Filter plate; 13. Fixing bolt. DETAILED DESCRIPTION

[0021] See also Figure 1-6 The utility model provides a semi-automatic sand regeneration production line for fully dusting a sand falling machine, comprising a dust hood located on the top of the sand falling machine, the dust hood comprising a fixed plate 2, a fixed supporting foot 5 is welded to the bottom of the fixed plate 2, and a fixed connecting piece 6 is welded to the bottom of the supporting foot 5, and at the same time the connecting piece 6 is screwed and fixed to the surface of the sand falling machine, and a servo electric cylinder 1 is screwed and fixed to the fixed plate 2, and a piston rod of the servo electric cylinder 1 is screwed and fixed to the surface of a connecting box 7, and at the same time a negative pressure bucket 8 is fixedly installed at the bottom of the connecting box 7, and a filter plate 12 is installed inside the negative pressure bucket 8, a negative pressure pipe connecting seat 9 is fixedly installed in the middle of the surface of the connecting box 7, and the negative pressure pipe connecting seat 9 is fixedly connected to the negative pressure pipe of an external negative pressure pump through a flange.

[0022] Working principle: A dust hood is provided on the top of the sand-falling machine. The dust hood mainly includes a connecting box 7 and a negative pressure bucket 8 on the device. The dust hood is connected to the negative pressure pump of the dust collector through a pipeline, which prevents the possibility of workers inhaling dust.

[0023] The working height of the connecting box 7 and the negative pressure bucket 8 can be driven to rise and fall by two sets of synchronously running servo electric cylinders 1. By adjusting the height of the connecting box 7 and the negative pressure bucket 8, the height of the dust hood can be flexibly adjusted according to the working state of the sand dropping machine and different process requirements, so as to better adapt to different working conditions; for example, when sand dropping large castings, the dust hood is lowered to be closer to the sand dropping point to improve the dust collection effect; when the equipment is maintained or dust collection is not needed, it is raised without affecting other operations.

[0024] As a preferred embodiment, the fixing plate 2 is a rectangular structure made of plastic material, and an opening 3 is opened in the middle of the fixing plate 2. The opening 3 is circular, and the diameter of the opening 3 is larger than the diameter of the negative pressure tube connecting seat 9.

[0025] Two sets of guide rods 4 are installed on both sides of the surface of the connecting box 7, and guide holes matching the size of the guide rods 4 are provided on both sides of the surface of the fixing plate 2, and the guide rods 4 are inserted into the guide holes.

[0026] When the connecting box 7 and the negative pressure bucket 8 are driven to rise and fall, the four sets of guide rods 4 thereon are all plugged into the guide hole temporal parts provided on the fixed plate 2, which can limit and guide the connecting box 7 and the negative pressure bucket 8 during the rising and falling, thereby preventing the connecting box 7 and the negative pressure bucket 8 from tilting during the rising and falling, and ensuring the stability of the connecting box 7 and the negative pressure bucket 8 during the rising and falling.

[0027] As a preferred embodiment, the bottom of the fixing plate 2 is mounted on the surface of the sand-falling machine through four groups of supporting legs 5, and three groups of mounting holes are provided on the connecting pieces 6 at the bottom of the four groups of supporting legs 5.

[0028] As a preferred embodiment, two groups of servo electric cylinders 1 are symmetrically installed on the surface of the fixed plate 2, and the two groups of servo electric cylinders 1 drive the connecting box 7 and the negative pressure bucket 8 to perform lifting operations.

[0029] Four groups of positioning grooves 10 are evenly opened inside the negative pressure bucket 8, and four groups of positioning blocks 11 are evenly fixed on the surface of the filter plate 12. At the same time, the filter plate 12 is evenly fixed and screwed at the bottom of the negative pressure bucket 8 by four groups of fixing bolts 13. The sizes of the positioning grooves 10 and the positioning blocks 11 are adapted, and the positioning blocks 11 are clamped in the inside of the positioning grooves 10. At the same time, the fixing bolts 13 pass through the through holes opened on the positioning blocks 11 and are screwed and fixed in the screw holes opened at the bottom of the positioning grooves 10.

[0030] The specific working mode of the sand regeneration production line can be fully disclosed in the semi-automatic sand casting production line with the announcement number CN207464109U in the background technology.

Claims

1. A semi-automatic sand regeneration production line with a sand shakeout machine for full dust removal, comprising a dust hood located on the top of the sand shakeout machine, the dust hood comprising a fixing plate (2), characterized in that: The bottom of the fixed plate (2) is welded with a fixed support foot (5), and the bottom of the support foot (5) is welded with a fixed connecting plate (6), and the connecting plate (6) is screwed and fixed to the surface of the sand falling machine, and the servo electric cylinder (1) is screwed and fixed to the fixed plate (2), and the piston rod of the servo electric cylinder (1) is screwed and fixed to the surface of the connecting box (7), and the bottom of the connecting box (7) is fixedly installed with a negative pressure bucket (8), and the inside of the negative pressure bucket (8) is installed with a filter plate (12), and the middle part of the surface of the connecting box (7) is fixedly installed with a negative pressure pipe connecting seat (9), and the negative pressure pipe connecting seat (9) is fixedly connected to the negative pressure pipe of an external negative pressure pump through a flange.

2. A semi-automatic sand regeneration production line with sufficient dust removal of a falling sand machine according to claim 1, characterized in that: The fixing plate (2) is a rectangular structure made of plastic material, and an opening (3) is provided in the middle of the fixing plate (2). The opening (3) is circular, and the diameter of the opening (3) is larger than the diameter of the negative pressure tube connection seat (9).

3. According to claim 1, a semi-automatic sand regeneration production line with sufficient dust removal of a falling sand machine is characterized by: Two sets of guide rods (4) are installed on both sides of the surface of the connecting box (7), and guide holes matching the size of the guide rods (4) are provided on both sides of the surface of the fixing plate (2), and the guide rods (4) are inserted into the guide holes.

4. A semi-automatic sand regeneration production line with sufficient dust removal of a falling sand machine according to claim 1, characterized in that: The bottom of the fixing plate (2) is mounted on the surface of the sand-falling machine via four groups of supporting legs (5), and three groups of mounting holes are provided on the connecting plates (6) at the bottom of the four groups of supporting legs (5).

5. According to claim 1, a semi-automatic sand regeneration production line with sufficient dust removal of a falling sand machine is characterized by: Two groups of the servo electric cylinders (1) are symmetrically mounted on the surface of the fixed plate (2), and the two groups of servo electric cylinders (1) drive the connecting box (7) and the negative pressure bucket (8) to perform lifting operations.

6. A semi-automatic sand regeneration production line with sufficient dust removal of a falling sand machine according to claim 1, characterized in that: Four groups of positioning grooves (10) are evenly arranged inside the negative pressure bucket (8), and four groups of positioning blocks (11) are evenly fixed on the surface of the filter plate (12). At the same time, the filter plate (12) is evenly screwed and fixed to the bottom of the negative pressure bucket (8) by four groups of fixing bolts (13). The sizes of the positioning grooves (10) and the positioning blocks (11) are adapted to each other, and the positioning blocks (11) are clamped inside the positioning grooves (10). At the same time, the fixing bolts (13) pass through the through holes formed on the positioning blocks (11) and are screwed and fixed inside the screw holes formed at the bottom of the positioning grooves (10).

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