CN108941520B

CN108941520B - Grit cleaning device is used in processing of casting member

Info

Publication number: CN108941520B
Application number: CN201810599663.8A
Authority: CN
Inventors: 沈红成
Original assignee: Wenzhou Yinsen Pipe Valve Manufacturing Co Ltd
Current assignee: Wenzhou yinsen pipe valve manufacturing Co., Ltd
Priority date: 2018-06-12
Filing date: 2018-06-12
Publication date: 2020-03-03
Anticipated expiration: 2038-06-12
Also published as: CN108941520A

Abstract

The invention discloses a gravel cleaning device for processing a casting part, which comprises an outer shell, an inner shell, a partition plate and a screen plate, wherein the outer shell is provided with a plurality of through holes; a horizontal screen plate is arranged in the inner shell, a plurality of supporting wedge blocks are uniformly distributed on the upper surface of the screen plate along the radial direction of the screen plate, and the upper surface of each supporting wedge block is provided with an inclined surface; a plurality of water flowing grooves are formed in the inclined plane along the direction of the inclined plane; a plurality of water spray holes are formed in the side wall of the inner shell corresponding to the water feeding cavity; the output end of the circulating pump is also communicated with a central water spraying pipe positioned in the center of the inner shell through a pipeline, and the tail end of the central water spraying pipe is communicated with a horizontal spray head. According to the invention, the casting part is obliquely placed on the supporting wedge block, the flowing water groove is formed in the supporting wedge block, the contact surface of the casting part is exposed, water can be directly sprayed on the contact surface of the casting part, the casting part is more comprehensively washed, the separation of gravel is facilitated, the clearing effect is improved, the clearing is more comprehensive compared with the clearing of the existing device, and the clearing time is shortened.

Description

Grit cleaning device is used in processing of casting member

Technical Field

The invention relates to the field of machining of castings, in particular to a gravel cleaning device for machining of castings.

Background

Currently, in the foundry field, steel, iron and most nonferrous metal castings are available by sand casting. The molding material used for sand casting is cheap and easy to obtain, the casting mould is simple and convenient to manufacture, and the casting mould can adapt to single-piece production, batch production and mass production of castings, and is a basic process in casting production for a long time. The casting part that produces is utilizing sand casting to present often the incomplete clear away of surperficial remaining sand and soil, in follow-up machining process, can produce very big sand dust on the one hand, it is unfavorable to health, on the other hand also can accelerate cutting tool's wearing and tearing, make product cost increase, be difficult to find out the device that simple structure can make things convenient for quick degritting again among the prior art, and its degritting effect is also very unsatisfactory moreover, and the sand dust that the sand removal device among the prior art discharged flies upward, the environmental pollution, influence operation workman's health.

In order to solve the problems, the Chinese patent CN 207288871U provides a casting sand removing device, wherein (1) the water spray holes are uniformly distributed on the inclined plate, so that the casting can be cleaned in multiple directions, the sand removing efficiency is high, and the operation is convenient; (2) uninterrupted water circulation flow is formed before the water pump, the circulation pipeline, the water flow channel, the water spray holes and the sand leakage holes, continuous sand removing operation on a casting part is realized, sand removing efficiency is greatly improved, meanwhile, water can be recycled, and resources are saved; (3) the casting part is placed in the desanding body, and waste sand and water are limited in the desanding body in the desanding process and cannot fly outwards arbitrarily, so that the cleanness and health of a desanding environment are guaranteed; (4) through apopore and the water distributor that state degritting body top inner wall set up, carry out the sand removal to the upper surface of casting, mutually support with the hole for water spraying like this, realize the omnidirectional sand removal to the casting for sand removal efficiency is higher, and the effect is better. However, the structure in the above patent can only wash the upper surface of the casting (excluding the contact surface of the casting with the inclined plate and the horizontal plate), and the grit of the contact surface can not be washed; in addition, when the contact surface is irregular, the cleaning cannot be performed completely.

Disclosure of Invention

The invention aims to provide a grit cleaning device for machining a casting part, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a gravel cleaning device for processing a casting part comprises an outer shell, an inner shell, a partition plate and a screen plate; the inner shell is arranged in the outer shell, the outer shell and the inner shell are separated by a partition plate positioned at the upper part, the partition plate separates the outer shell and the inner shell into a lower water cavity and an upper water cavity, the bottom of the lower water cavity is provided with an opening, and a filter screen is movably arranged in the opening; a horizontal screen plate is arranged in the inner shell, a vertical downward supporting rod is fixed on a central shaft of the screen plate, and the lower end of the supporting rod is fixed at the bottom of the outer shell; a plurality of supporting wedges are uniformly distributed on the upper surface of the screen plate along the radial direction of the screen plate, the supporting wedges are distributed in a surrounding manner, and the upper surfaces of the supporting wedges are inclined planes; a plurality of water flowing grooves are formed in the inclined plane along the direction of the inclined plane; a plurality of water spray holes are formed in the side wall of the inner shell corresponding to the water feeding cavity; the upper water cavity is communicated with a circulating pump through a pipeline, the circulating pump is communicated with the bottom of the lower water cavity, and water in the lower water cavity is pumped into the upper water cavity; the output end of the circulating pump is also communicated with a central water spray pipe positioned in the center of the inner shell through a pipeline, the tail end of the central water spray pipe is communicated with a horizontal spray head, the horizontal spray head is positioned at the upper end of the supporting wedge block, and the side wall of the horizontal spray head is provided with a plurality of nozzles.

Further: the filter screen passes through buckle fixed mounting on interior casing.

Further: a blow-off pipe is communicated with the bottom of the outer shell in the inner shell, and a valve is installed on the blow-off pipe.

Further: the depth of the launders is 3-6mm, and the distance between adjacent launders is 2-3 mm.

Further: the lower end of the supporting rod is rotatably connected to the supporting rod through a bearing, and the end part of the supporting rod is fixedly connected to an output shaft of the motor.

Further: the water spray holes face the screen plate horizontally or obliquely, and water in the water feeding cavity is sprayed on the screen plate.

Further: the central water spraying pipe is a metal pipe, penetrates out of the inner wall of the inner shell, and vertically extends downwards to the position above the screen plate at the position of the central shaft.

Further: the water-retaining mechanism comprises a slide rail and a slide block, the slide rail is fixed on the inner shell, the slide block is fixed on the water-retaining plate, the slide block is matched with the slide rail, the slide rail is connected in the slide rail, and a limiting block is fixed on the inner wall of the inner shell corresponding to the lower part of the water-retaining plate.

Further: the slider is T-shaped structure, and limits the slider in the slide rail.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, the casting part is obliquely placed on the supporting wedge block, and the flowing water groove is formed in the supporting wedge block, so that the contact surface of the casting part is exposed, water can be directly sprayed on the contact surface of the casting part, the casting part is more comprehensively washed, the separation of gravel is facilitated, the clearing effect is improved, the clearing is more comprehensive compared with the existing device, and the clearing time is shortened; the water sprayed from the water spraying holes can be controlled through the water baffle, so that a worker can directly take the workpiece without spraying water, the splashing of cleaning water is avoided, and the water spraying device is simple to operate and convenient to use.

Drawings

FIG. 1 is a schematic structural view of a grit removal apparatus for casting processing.

FIG. 2 is a schematic view showing the structure of a mesh plate in a grit-cleaning apparatus for casting work.

FIG. 3 is a schematic view of a support wedge in a grit removal apparatus for casting operations.

FIG. 4 is a schematic structural view of a water deflector in a grit removal apparatus for casting processing.

In the figure: 1-outer shell, 2-inner shell, 3-lower water cavity, 4-upper water cavity, 5-clapboard, 6-support bar, 7-screen plate, 8-filter screen, 9-buckle, 10-circulating pump, 11-water spray hole, 12-central water spray pipe, 13-horizontal spray head, 14-spray nozzle, 15-support wedge block, 16-water baffle, 17-pull ring, 18-slide rail, 19-limiting block, 20-blow-off pipe, 21-motor, 22-inclined plane, 23-flume, 24-slide block, 25-valve.

Detailed Description

Referring to the drawings, in the embodiment of the invention, a gravel cleaning device for casting processing comprises an outer shell 1, an inner shell 2, a partition plate 5 and a mesh plate 7; the inner shell 2 is arranged in the outer shell 1, the outer shell 1 and the inner shell 2 are of an integral structure, the upper end and the lower end of the outer shell 1 and the inner shell 2 are integrally connected, a cavity is formed in the outer shell 1 and the inner shell 2, the outer shell 1 and the inner shell 2 are separated by a partition plate 5 positioned at the upper part, the outer shell 1 and the inner shell 2 are separated by the partition plate 5 into a lower water cavity 3 and an upper water cavity 4, an opening is formed in the bottom of the lower water cavity 3, a filter screen 8 is movably arranged in the opening, and the filter screen 8 is fixedly arranged on the inner shell 2 through a buckle 9, so that the filter screen 8 can be conveniently detached from the inner shell 2; correspond shell body 1 bottom intercommunication in inner housing 2 and have blow off pipe 20, valve 25 is installed to blow off pipe 20, is convenient for clear up in inner housing 2, discharges filterable gravel etc.

A horizontal screen plate 7 is arranged in the inner shell 2, the screen plate 7 is lower than the upper water cavity 4, so that water in the upper water cavity 4 can be left on the screen plate 7, a vertical downward support rod 6 is fixed on a central shaft of the screen plate 7, the lower end of the support rod 6 is fixed at the bottom of the outer shell 1, and the screen plate 7 is supported; a plurality of supporting wedges 15 are uniformly distributed on the upper surface of the screen plate 7 along the radial direction of the screen plate 7, the supporting wedges 15 are distributed in a surrounding mode, the upper surface of each supporting wedge 15 is provided with an inclined surface 22, the outer end of each inclined surface 22 is lower than the inner end (one end of the center of the screen plate 7), a casting piece can be placed on each supporting wedge 15, the lower surface of the casting piece is separated from the joint of the screen plate 7, and the lower surface of the casting piece can be in contact with water; the inclined plane 22 is provided with a plurality of water flowing grooves 23 along the direction, two ends of each water flowing groove 23 are open, water flows flow down through the water flowing grooves 23, the contact area between the water flowing grooves 23 and a cast part is reduced, the water flows can also be guaranteed to flow down, the depth of each water flowing groove 23 is 3-6mm, the distance between every two adjacent water flowing grooves 23 is 2-3mm, and the contact surface between the cast part and the supporting wedge block 15 is reduced to the maximum extent.

The lower end of the support rod 6 is rotatably connected to the support rod 6 through a bearing, the end part of the support rod is fixedly connected to an output shaft of the motor 21, the support rod 6 is driven to rotate through the motor 21, and rotation of the screen plate 7 is achieved.

A plurality of water spraying holes 11 are formed in the side wall of the inner shell 2 corresponding to the upper water cavity 4, the water spraying holes 11 face the screen plate 7 horizontally or obliquely, water in the upper water cavity 4 is sprayed on the screen plate 7, and cast parts on the screen plate are washed; the upper water cavity 4 is communicated with a circulating pump 10 through a pipeline, the circulating pump 10 is communicated with the bottom of the lower water cavity 3, water in the lower water cavity 3 is pumped into the upper water cavity 4, and meanwhile, because the upper water cavity 4 is internally provided with a sealing structure, the pressure of the water pumped into the upper water cavity 4 is increased, so that the spraying range is enlarged; the output end of the circulating pump 10 is also communicated with a central water spraying pipe 12 positioned at the center of the inner shell 2 through a pipeline, the central water spraying pipe 12 is a metal pipe and penetrates out of the inner wall of the inner shell 2, the central shaft vertically and downwards extends to the position above the screen plate 7, the tail end of the central water spraying pipe 12 is communicated with a horizontal spray head 13, the horizontal spray head 13 is positioned at the upper end of a supporting wedge block 15, a plurality of spray nozzles 14 are arranged on the side wall of the horizontal spray head 13, and the spray nozzles 14 spray water in the horizontal spray head 13 to wash the bottom of a cast part.

A vertical water baffle 16 with a cylindrical structure is arranged on the inner wall of the inner shell 2 corresponding to the upper water cavity 4, a plurality of pull rings 17 are fixed at the upper end of the water baffle 16, a plurality of groups of sliding mechanisms are arranged between the water baffle 16 and the inner shell 2, each sliding mechanism comprises a sliding rail 18 and a sliding block 24, the sliding rail 18 is fixed on the inner shell 2, the sliding block 24 is fixed on the water baffle 16, the sliding block 24 is matched with the sliding rail 18, and is connected in the slide rail 18 in a sliding way, the slide block 24 is in a T-shaped structure, the slide block 24 is limited in the slide rail 18 to avoid falling off, the water baffle 16 is ensured to slide up and down in the inner shell 2, a limiting block 19 is fixed on the inner wall of the inner shell 2 corresponding to the lower part of the water baffle 16, the water baffle 16 is used for supporting, a supporting rod with a hook is arranged at the top of the inner shell 2, the water baffle 16 moves upwards, and then the pull ring 17 is hooked by the hook, so that the water baffle 16 is unfolded upwards and kept still.

When the water-saving device is used, a casting piece is placed on the screen plate 7, the casting piece is inclined through the support of the support wedge block 15, the lower surface of the casting piece is exposed and cannot be shielded by the screen plate 7, the water baffle 16 which moves upwards ensures that the water sprayed from the water spraying holes 11 horizontally faces the casting piece on the screen plate 7, water is sprayed to different directions of the casting piece, meanwhile, water introduced into the central water spraying pipe 12 is sprayed from the nozzle 14 to the bottom of the casting piece, the bottom of the casting piece is contacted with the water and flows down along the water flowing grooves 23 on the support wedge block 15, the cleaning effect on surface gravels of the casting piece is improved, the water baffle 16 can be put down when the casting piece is taken and is shielded on the water spraying holes 11, the water flows down along the water baffle 16, water is prevented from being sprayed on the casting piece when the casting piece is taken, and. According to the invention, the casting part is obliquely placed on the supporting wedge block, and the flowing water groove is formed in the supporting wedge block, so that the contact surface of the casting part is exposed, water can be directly sprayed on the contact surface of the casting part, the casting part is more comprehensively washed, the separation of gravel is facilitated, the clearing effect is improved, the clearing is more comprehensive compared with the existing device, and the clearing time is shortened; the water sprayed from the water spraying holes can be controlled through the water baffle, so that a worker can directly take the workpiece without spraying water, the splashing of cleaning water is avoided, and the water spraying device is simple to operate and convenient to use.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A grit cleaning device for machining a casting part comprises an outer shell (1), an inner shell (2), a partition plate (5) and a screen plate (7); the water purifier is characterized in that the inner shell (2) is arranged in the outer shell (1), the outer shell (1) and the inner shell (2) are separated by a partition plate (5) positioned on the upper part, the outer shell (1) and the inner shell (2) are separated by the partition plate (5) into a lower water cavity (3) and an upper water cavity (4), the bottom of the lower water cavity (3) is provided with an opening, a filter screen (8) is movably arranged in the opening, and the filter screen (8) is fixedly arranged on the inner shell (2) through a buckle (9); a horizontal screen plate (7) is arranged in the inner shell (2), a vertical downward support rod (6) is fixed on a central shaft of the screen plate (7), and the lower end of the support rod (6) is fixed at the bottom of the outer shell (1); a plurality of supporting wedges (15) are uniformly distributed on the upper surface of the screen plate (7) along the radial direction of the screen plate (7), the supporting wedges (15) are distributed in a surrounding manner, and the upper surface of each supporting wedge (15) is provided with an inclined surface (22); a plurality of water flowing grooves (23) are formed in the inclined surface (22) along the direction of the inclined surface; a plurality of water spray holes (11) are formed in the side wall of the inner shell (2) corresponding to the water feeding cavity (4); the upper water cavity (4) is communicated with a circulating pump (10) through a pipeline, the circulating pump (10) is communicated with the bottom of the lower water cavity (3), and water in the lower water cavity (3) is pumped into the upper water cavity (4); the output end of the circulating pump (10) is also communicated with a central water spraying pipe (12) positioned in the center of the inner shell (2) through a pipeline, the tail end of the central water spraying pipe (12) is communicated with a horizontal spray head (13), the horizontal spray head (13) is positioned at the upper end of a supporting wedge block (15), and the side wall of the horizontal spray head (13) is provided with a plurality of spray nozzles (14).

2. The grit cleaning apparatus for casting processing of claim 1, wherein: a blow-off pipe (20) is communicated with the bottom of the outer shell (1) in the inner shell (2), and a valve (25) is installed on the blow-off pipe (20).

3. The grit cleaning apparatus for casting processing of claim 1, wherein: the depth of the water flowing grooves (23) is 3-6mm, and the distance between every two adjacent water flowing grooves (23) is 2-3 mm.

4. The grit cleaning apparatus for casting processing of claim 1, wherein: the lower end of the support rod (6) is rotatably connected to the support rod (6) through a bearing, and the end part of the support rod is fixedly connected to an output shaft of the motor (21).

5. The grit cleaning apparatus for casting processing of claim 1, wherein: the water spraying holes (11) face the screen plate (7) horizontally or obliquely, and water in the water feeding cavity (4) is sprayed on the screen plate (7).

6. The grit cleaning apparatus for casting processing of claim 1, wherein: the central water spraying pipe (12) is a metal pipe, penetrates out of the inner wall of the inner shell (2), and vertically extends downwards to the position above the screen plate (7) at the position of the central shaft.

7. The grit cleaning apparatus for casting processing of claim 1, wherein: go up water cavity (4) and be provided with vertical tubular structure's breakwater (16) on the inner wall of interior casing (2) that correspond, a plurality of pull rings (17) are fixed to the upper end of breakwater (16), be provided with multiunit slide mechanism between breakwater (16) and interior casing (2), slide mechanism includes slide rail (18) and slider (24), slide rail (18) are fixed on interior casing (2), slider (24) are fixed on breakwater (16), slider (24) and slide rail (18) cooperation, and sliding connection is in slide rail (18), be fixed with spacing piece (19) on the interior casing (2) inner wall that the below of breakwater (16) corresponds.

8. The grit cleaning apparatus for casting processing of claim 7, wherein: the sliding block (24) is of a T-shaped structure, and the sliding block (24) is limited in the sliding rail (18).