Sand inclusion defect removing device for sand casting aluminum alloy workpiece

Abstract

The utility model relates to the technical field of aluminum alloy workpieces, and discloses a sand inclusion defect removing device for a sand casting aluminum alloy workpiece, which comprises a box body, a blanking seat is installed in the box body, a blanking groove is formed in the blanking seat, a clamping seat located above the blanking seat is installed in the box body, and the clamping seat is used for clamping a workpiece; a feeding and sand blasting assembly used for conducting sand blasting on the workpieces is installed on the side face of the box body, and a pipe type discharging filter part which is obliquely arranged and communicates with the discharging groove is installed in the discharging base. According to the sand inclusion defect removing device for the sand casting aluminum alloy workpiece, the tubular discharging filter part is used for filtering mixed sand, so that inclusion sand removed from the surface of the workpiece can be effectively separated from sprayed sand grains, the purity of the recycled sand grains is ensured, and the quality of the sand grains is improved. And the negative influence of the mixed sand grains on the subsequent workpiece cleaning effect is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to aluminum alloy workpiece processing technical field especially relates to a sand casting aluminum alloy workpiece sand inclusion defect removing device. BACKGROUND

[0002] Sand casting is a traditional casting method, it uses the sand with certain performance as the main molding material to make the casting mold to produce the casting, sand inclusion refers to the phenomenon that the sand particle is mixed on the surface of the aluminum alloy workpiece during the sand casting process, usually because the sand particle in the pouring channel or the local sand mold is washed into the mold cavity due to its own reason or the high temperature of the molten iron, so that the casting contains the sand particle, and the defect will affect the surface flatness and overall quality of the workpiece.

[0003] For the sand inclusion defect on the aluminum alloy workpiece, the sand inclusion defect on the surface of the workpiece is generally removed by using the sand blasting machine, the sand blasting machine sprays the sand particles to the surface of the workpiece through the compressed air supply system, and the sand inclusion defect on the surface of the workpiece is cleaned by using the high-speed impact and friction of the sand particles.

[0004] During the sand blasting treatment on the surface of the aluminum alloy workpiece, the mixed sand particles may be recovered together with the sprayed sand particles due to the mixed sand particles on the surface of the workpiece, so that the subsequent workpiece sand inclusion removal effect is reduced.

[0005] To solve the above problems, a sand casting aluminum alloy workpiece sand inclusion defect removing device is provided in the application. UTILITY MODEL CONTENTS

[0006] Based on the technical problems existing in the background art, the utility model provides a sand casting aluminum alloy workpiece sand inclusion defect removing device.

[0007] The utility model provides a sand casting aluminum alloy workpiece sand inclusion defect removing device, which comprises a box body;

[0008] A blanking seat is installed in the box body, a blanking groove is formed in the blanking seat, a clamping seat is installed above the blanking seat in the box body, and the clamping seat is used for clamping the workpiece;

[0009] A feed sand blasting assembly for sand blasting the workpiece is installed on the side surface of the box body, a tubular discharge filter piece is installed in the blanking seat and communicates with the blanking groove, the bottom end of the tubular discharge filter piece extends out of the box body and is provided with an auger feeder, and the auger feeder is used for guiding and conveying the filtered material in the tubular discharge filter piece to the feed sand blasting assembly for circulation.

[0010] The assembly cavity is arranged in the blanking seat and is located below the tubular discharge filter element, and the stirring, collecting and discharging assembly is installed in the assembly cavity and is connected with the tubular discharge filter element and extends into the blanking groove.

[0011] The side of the box is provided with a gas supply element which is communicated with the material supply and sand blasting assembly and the stirring, collecting and discharging assembly respectively, and the gas supply element is used for guiding high-pressure gas into the material supply and sand blasting assembly and the stirring, collecting and discharging assembly respectively.

[0012] Preferably, the material supply and sand blasting assembly comprises a gas path pipe, a nozzle, a material guide pipe, a hopper and a feeding pipe, the side of the box is provided with the gas path pipe, the end of the gas path pipe is provided with the nozzle which is arranged in the box and is used for sand blasting on the workpiece clamped on the clamping seat, the material guide pipe is connected with the gas path pipe, the top of the material guide pipe is provided with the hopper, the side of the hopper is connected with the feeding pipe, and the feeding pipe is connected with the discharging end of the auger feeder.

[0013] Preferably, the tubular discharge filter element comprises a discharge pipe and a filter hole, the discharge pipe is arranged in the blanking seat and is communicated with the blanking groove and is arranged obliquely, and the end of the discharge pipe which is away from the blanking groove extends out of the box and is connected with the feeding end of the auger feeder.

[0014] Preferably, the stirring, collecting and discharging assembly comprises a collecting box, an air inlet pipe, a pneumatic stirring element and a discharging pipe, the collecting box is arranged in the assembly cavity in the blanking seat, the collecting box is provided with a collecting cavity, the filter hole is communicated with the collecting cavity, the side of the collecting box is provided with the air inlet pipe which is communicated with the collecting cavity, the pneumatic stirring element is rotatably arranged on the air inlet pipe and extends into the blanking groove, the other side of the collecting box is provided with the discharging pipe which is communicated with the collecting cavity, and the end of the discharging pipe penetrates through the side of the box.

[0015] Preferably, the pneumatic stirring element comprises a rotating rod, a blade and a stirring piece, the rotating rod is arranged vertically on the air inlet pipe and penetrates through the blanking seat and extends into the blanking groove, the bottom end of the rotating rod is provided with the blade which is arranged in the air inlet pipe, and the top end of the rotating rod is provided with the stirring piece which is arranged in the blanking groove.

[0016] Preferably, the gas supply element comprises a gas pump, a gas supply pipe, a shunt pipe and a gas conveying pipe, the side of the box is provided with the gas pump, the gas outlet end of the gas pump is connected with the gas supply pipe, the end of the gas supply pipe which is away from the gas pump is connected with the shunt pipe, one end of the shunt pipe is communicated with the gas path pipe, the other end of the shunt pipe is connected with the gas conveying pipe, and the end of the gas conveying pipe which is away from the shunt pipe is communicated with the air inlet pipe.

[0017] The above technical scheme of the utility model has the following beneficial technical effects:

[0018] Through the pipe type discharging filter, the stirring collection and discharging assembly and the air supply part, the workpiece can be fixed on the clamping seat, then high pressure gas can be respectively guided to the sand supply and sand blasting assembly and the stirring collection and discharging assembly through the air supply part, the sand particles can be sprayed to the sand inclusion defects on the surface of the workpiece through the sand supply and sand blasting assembly, the sand inclusion defects on the surface of the workpiece are cleaned, the cleaned sand inclusion falls into the discharging chute along with the sand blasting, then the mixed sand can be guided to the auger feeder through the pipe type discharging filter, and then the mixed sand is lifted to the sand supply and sand blasting assembly through the auger feeder to recycle, when the mixed sand falls in the pipe type discharging filter, the mixed sand can be filtered through the pipe type discharging filter, the cleaned sand inclusion on the surface of the workpiece is filtered to the stirring collection and discharging assembly, in the process, since the high pressure gas is guided to the stirring collection and discharging assembly through the air supply part, the collected sand inclusion in the stirring collection and discharging assembly can be discharged, and when the high pressure gas is introduced into the stirring collection and discharging assembly, the pneumatic stirring part can be driven to stir the sand particles falling in the discharging chute, so that the sand particles are prevented from being blocked, the structure can effectively separate the sand inclusion cleaned from the surface of the workpiece from the sand particles through the use of the pipe type discharging filter, the pure sand particles recycled are ensured, and the negative influence of the mixed sand particles on the subsequent workpiece cleaning effect is avoided.

[0019] Through the air supply part, the high pressure gas is guided to the stirring collection and discharging assembly, which not only helps to discharge the collected sand inclusion, but also can stir the sand particles in the discharging chute through the pneumatic stirring part, so that the sand particles are prevented from being blocked, and the operation efficiency and the cleaning quality of the sand blasting machine are further optimized. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is a whole structure schematic view of the sand inclusion defect cleaning device for the sand casting aluminum alloy workpiece.

[0021] Fig. 2 It is a structure schematic view of the pipe type discharging filter and the stirring collection and discharging assembly.

[0022] Fig. 3 It is a structure schematic view of the sand supply and sand blasting assembly and the air supply part.

[0023] The drawings show that: 1, the box body; 2, the discharging seat; 3, the discharging chute; 4, the clamping seat; 5, the sand supply and sand blasting assembly; 51, the air path pipe; 52, the nozzle; 53, the material guide pipe; 54, the hopper; 55, the feeding pipe; 6, the auger feeder; 7, the pipe type discharging filter; 71, the discharging pipe; 72, the filter hole; 8, the stirring collection and discharging assembly; 81, the collection box; 82, the air inlet pipe; 83, the pneumatic stirring part; 831, the rotating rod; 832, the blade; 833, the stirring piece; 84, the discharging pipe; 9, the air supply part; 91, the air pump; 92, the air supply pipe; 93, the shunt pipe; 94, the gas conveying pipe. DETAILED DESCRIPTION

[0024] The objects, technical solutions and advantages of the present application will become more apparent after a reading of the following detailed description together with the attached drawings. It should be understood that the description is merely exemplary and not intended to limit the scope of the present application. In addition, in the following description, the description of known structures and techniques will be omitted to avoid unnecessary confusion of the concept of the present application.

[0025] As shown in Figs. 1-3 the present application provides a sand casting aluminum alloy workpiece sand inclusion removal device, which comprises a box body 1;

[0026] In this embodiment, the box body 1 is provided with a blanking seat 2, and the blanking seat 2 is provided with a blanking groove 3. The box body 1 is provided with a clamping seat 4 above the blanking seat 2, and the clamping seat 4 is used for clamping the workpiece.

[0027] In this embodiment, the side surface of the box body 1 is provided with a feeding sand blasting assembly 5 for sand blasting the workpiece. The blanking seat 2 is provided with a tubular discharge filter 7 which is inclined and communicated with the blanking groove 3. The bottom end of the tubular discharge filter 7 extends out of the box body 1 and is provided with an auger feeder 6. The auger feeder 6 is used for guiding the material filtered in the tubular discharge filter 7 to circulate in the feeding sand blasting assembly 5.

[0028] In this embodiment, the feeding sand blasting assembly 5 comprises an air path pipe 51, a nozzle 52, a material guide pipe 53, a hopper 54 and a feeding pipe 55. The side surface of the box body 1 is provided with the air path pipe 51. The end of the air path pipe 51 is provided with the nozzle 52 in the box body 1. The nozzle 52 is used for sand blasting the workpiece clamped on the clamping seat 4. The air path pipe 51 is connected with the material guide pipe 53. The top of the material guide pipe 53 is provided with the hopper 54. The side surface of the hopper 54 is connected with the feeding pipe 55. The feeding pipe 55 is connected with the discharge end of the auger feeder 6.

[0029] In this embodiment, the tubular discharge filter 7 comprises a discharge pipe 71 and a filter hole 72. The blanking seat 2 is provided with the discharge pipe 71 which is inclined and communicated with the blanking groove 3. The end of the discharge pipe 71 away from the blanking groove 3 extends out of the box body 1 and is connected with the feeding end of the auger feeder 6.

[0030] In the embodiment, the blanking seat 2 is provided with an assembly chamber below the tubular discharge filter 7, and the assembly chamber is provided with an agitating and collecting and discharging assembly 8 connected with the tubular discharge filter 7 and extending into the blanking groove 3. The agitating and collecting and discharging assembly 8 is used for collecting the filtered waste in the tubular discharge filter 7 and agitating the material in the blanking groove 3. The agitating and collecting and discharging assembly 8 comprises a collecting box 81, an air inlet pipe 82, a pneumatic stirring piece 83 and a discharge pipe 84. The collecting box 81 is installed in the assembly chamber of the blanking seat 2. The collecting box 81 is provided with a collecting chamber. The filter holes 72 are communicated with the collecting chamber. The air inlet pipe 82 is installed on one side of the collecting box 81 and communicated with the collecting chamber. The pneumatic stirring piece 83 is rotatably penetrated on the air inlet pipe 82 and extends into the blanking groove 3. The discharge pipe 84 is installed on the other side of the collecting box 81 and communicated with the collecting chamber. The end of the discharge pipe 84 penetrates through the side of the box body 1. The pneumatic stirring piece 83 comprises a rotating rod 831, a blade 832 and a stirring piece 833. The rotating rod 831 is vertically penetrated on the air inlet pipe 82. The top end of the rotating rod 831 rotatably penetrates through the blanking seat 2 and extends into the blanking groove 3. The bottom end of the rotating rod 831 is provided with the blade 832 in the air inlet pipe 82. The top end of the rotating rod 831 is provided with the stirring piece 833 in the blanking groove 3.

[0031] In the embodiment, the side of the box body 1 is provided with a gas supply piece 9 communicated with the material supply and sand blasting assembly 5 and the agitating and collecting and discharging assembly 8 respectively. The gas supply piece 9 is used for guiding the high-pressure gas into the material supply and sand blasting assembly 5 and the agitating and collecting and discharging assembly 8 respectively. The gas supply piece 9 comprises a gas pump 91, a gas supply pipe 92, a shunt pipe 93 and a gas conveying pipe 94. The gas pump 91 is installed on the side of the box body 1. The gas outlet end of the gas pump 91 is connected with the gas supply pipe 92. The end of the gas supply pipe 92 away from the gas pump 91 is connected with the shunt pipe 93. One end of the shunt pipe 93 is communicated with the gas path pipe 51. The other end of the shunt pipe 93 is connected with the gas conveying pipe 94. The end of the gas conveying pipe 94 away from the shunt pipe 93 is communicated with the air inlet pipe 82.

[0032] It should be noted that, in the working process, the workpiece is first fixed on the clamping seat 4, and then the gas pump 91 is started. The high-pressure gas is guided into the gas path pipe 51 and the gas conveying pipe 94 along the gas supply pipe 92 and the shunt pipe 93 respectively. The high-pressure gas in the gas path pipe 51 can be sprayed to the workpiece through the nozzle 52. The high-pressure gas flows in the gas path pipe 51. The sand in the hopper 54 enters the gas path pipe 51 along the material guide pipe 53, and then is sprayed to the workpiece through the nozzle 52 under the high-speed airflow. The workpiece surface is cleaned by the high-speed impact and friction of the sand particles.

[0033] The cleaned sand clumps fall into the sand falling groove 3 together with the sand blasting, the mixed sand entering the sand falling groove 3 falls along the discharge pipe 71, the cleaned sand clumps on the workpiece can be filtered through the filter hole 72 at the bottom of the discharge pipe 71 and fall into the collecting box 81 for collection, the remaining sand blasting falls into the auger feeder 6, then is lifted by the auger feeder 6 and is guided into the hopper 54 through the feeding pipe 55 to form a cycle, in the process, the high-pressure gas is introduced into the gas conveying pipe 94, the high-pressure gas entering the gas conveying pipe 94 can be guided into the collecting box 81 along the gas inlet pipe 82, the gas entering the collecting box 81 carries the sand clumps and discharges along the discharge pipe 84, the high-pressure gas flows through the surface of the blade 832 in the gas inlet pipe 82 and can drive the blade 832 and the rotating rod 831 to rotate at the same time, the sand particles falling in the sand falling groove 3 can be stirred by the stirring piece 833 on the rotating rod 831 to prevent being blocked, the structure can effectively separate the sand clumps cleaned from the surface of the workpiece from the sand blasting particles by using the tubular discharge filter 7, ensure that the sand particles used in circulation are pure, avoid the negative influence of the mixed sand particles on the subsequent workpiece cleaning effect, guide the high-pressure gas into the stirring and collecting and discharging assembly 8 through the gas supply member 9, which not only helps to discharge the collected sand clumps, but also can stir the sand particles in the sand falling groove 3 through the pneumatic stirring member 83 to prevent being blocked, further optimize the operation efficiency and cleaning quality of the sand blasting machine.

[0034] It should be understood that the above specific embodiments of the present application are only used for illustrative or explanatory purposes of the principles of the present application, and do not constitute a limitation of the present application. Therefore, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present application shall be included in the protection scope of the present application. In addition, the appended claims of the present application are intended to cover all changes and modifications falling within the scope and boundary of the appended claims, or the equivalent forms of such scope and boundary.

Claims

1. A sand inclusion removal device for sand casting aluminum alloy workpieces, comprising a box (1), characterized in that: a blanking seat (2) is installed in the box (1), a blanking groove (3) is formed in the blanking seat (2), a clamping seat (4) is installed above the blanking seat (2) in the box (1), and the clamping seat (4) is used for clamping the workpiece; a feeding and sand blasting assembly (5) for sand blasting the workpiece is installed on the side of the box (1), a tubular discharge filter (7) is installed in the blanking seat (2) and is inclined and communicates with the blanking groove (3), the bottom end of the tubular discharge filter (7) extends out of the box (1) and is provided with an auger feeder (6), and the auger feeder (6) is used for guiding the material filtered in the tubular discharge filter (7) to circulate in the feeding and sand blasting assembly (5); an assembly chamber is formed below the tubular discharge filter (7) in the blanking seat (2), an agitating and collecting discharge assembly (8) is installed in the assembly chamber and is connected with the tubular discharge filter (7) and extends into the blanking groove (3), and the agitating and collecting discharge assembly (8) is used for collecting the waste filtered in the tubular discharge filter (7) and agitating the material in the blanking groove (3); a gas supply member (9) is installed on the side of the box (1) and communicates with the feeding and sand blasting assembly (5) and the agitating and collecting discharge assembly (8), respectively, and the gas supply member (9) is used for guiding high-pressure gas into the feeding and sand blasting assembly (5) and the agitating and collecting discharge assembly (8), respectively. The feeding and sand blasting assembly (5) comprises a gas path pipe (51), a nozzle (52), a material guide pipe (53), a hopper (54), and a feeding pipe (55), the gas path pipe (51) is installed on the side of the box (1), the end of the gas path pipe (51) is provided with the nozzle (52) in the box (1), the nozzle (52) is used for sand blasting the workpiece clamped on the clamping seat (4), the material guide pipe (53) is connected to the gas path pipe (51), the hopper (54) is installed on the top of the material guide pipe (53), the feeding pipe (55) is connected to the side of the hopper (54), and the feeding pipe (55) is connected to the discharge end of the auger feeder (6).

2. The apparatus for removing sand inclusion in sand cast aluminum alloy workpiece according to claim 1, wherein, The tubular discharge filter (7) comprises a discharge pipe (71) and filter holes (72), the discharge pipe (71) is installed in the blanking seat (2) and is inclined and communicates with the blanking groove (3), and the end of the discharge pipe (71) away from the blanking groove (3) extends out of the box (1) and is connected to the feeding end of the auger feeder (6).

3. The apparatus for removing sand inclusion in sand cast aluminum alloy workpiece according to claim 2, wherein, ​ 4. The apparatus for removing sand inclusion in sand cast aluminum alloy workpiece according to claim 3, wherein, The stirring collecting discharging assembly (8) comprises a collecting box (81), an air inlet pipe (82), a pneumatic stirring piece (83) and a discharging pipe (84), the collecting box (81) is installed in the assembling chamber in the blanking seat (2), a collecting chamber is formed in the collecting box (81), the filter hole (72) and the collecting chamber are communicated, the air inlet pipe (82) is installed on one side of the collecting box (81) and communicated with the collecting chamber, the pneumatic stirring piece (83) is rotatably penetrated on the air inlet pipe (82) and extends into the blanking groove (3), the discharging pipe (84) is installed on the other side of the collecting box (81) and communicated with the collecting chamber, and the end of the discharging pipe (84) penetrates through the side of the box body (1).

5. The apparatus for removing sand inclusion in sand cast aluminum alloy workpieces according to claim 4, wherein The pneumatic stirring piece (83) comprises a rotating rod (831), a blade (832) and a stirring piece (833), the rotating rod (831) is rotatably penetrated on the air inlet pipe (82) and vertically arranged, the top end of the rotating rod (831) is rotatably penetrated through the blanking seat (2) and extends into the blanking groove (3), the blade (832) is installed on the bottom end of the rotating rod (831) and located in the air inlet pipe (82), and the stirring piece (833) is installed on the top end of the rotating rod (831) and located in the blanking groove (3).

6. The apparatus for removing sand inclusion in sand cast aluminum alloy workpieces according to claim 5, wherein The air supply piece (9) comprises an air pump (91), an air supply pipe (92), a shunt pipe (93) and a gas conveying pipe (94), the air pump (91) is installed on the side of the box body (1), the air outlet end of the air pump (91) is connected with the air supply pipe (92), one end of the air supply pipe (92) away from the air pump (91) is connected with the shunt pipe (93), one end of the shunt pipe (93) is communicated with the gas path pipe (51), the other end of the shunt pipe (93) is connected with the gas conveying pipe (94), and one end of the gas conveying pipe (94) away from the shunt pipe (93) is communicated with the air inlet pipe (82).

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