Automatic sand blasting machine

Abstract

The utility model discloses an automatic sand blasting machine, which relates to the technical field of workpiece surface treatment, and comprises a sample conveying system, a sand blasting system, a compressed air system, a sand material system, a sample cleaning system, a dust removal system and a control system, the sand material system is used for recycling and circulating sand materials sprayed by the sand blasting system, the compressed air system is arranged above the sand blasting system, the sample cleaning system is hung on the sand material system, and samples on the sample conveying system are cleaned through manual operation. The sand blasting system can adaptively adjust parameters such as the height, angle (amplitude) and the like of sand blasting, and the automatic sand blasting machine avoids the influence of human factors on the sand blasting effect, realizes the consistency of the sand blasting effect, reduces waste samples generated due to manual misoperation, greatly improves the working efficiency and reduces the working intensity at the same time.

Description

TECHNICAL FIELD

[0001] The utility model belongs to workpiece surface treatment technical field, in particular to a kind of automatic sand blasting machine. BACKGROUND

[0002] Before aluminum alloy carries out anodic oxidation test, sample surface needs to be sand blasted, to remove the machining mark generated on sample surface in previous process (polishing or milling surface), to obtain the sample surface with certain glossiness and roughness, facilitate anodic oxidation test and observe the defect condition of sample surface after anodic oxidation test, sample surface is too smooth or too rough and surface roughness is not uniform are not conducive to the observation of defect, therefore the effect of sand blasting is particularly important.

[0003] At present, manual sand blasting machine is often used for sand blasting, that is, operator wears latex gloves, holds sample with hand, and inserts sample into sand blasting machine with hand, sand is sprayed from nozzle under the action of compressed air and hits sample surface, and sample is withdrawn after sand blasting for a certain time. This kind of sand blasting method relies more on operating experience, and there is great difference in sand blasting effect when different personnel operate. Moreover, since this kind of sand blasting method is handheld, the angle, time and the like of sand blasting are difficult to control accurately, leading to poor sand blasting effect, uneven sand blasting, risk of gloves being penetrated by sand, and great safety hazard. Traditional sand blasting gun head is only one, and only one sample can be sprayed each time, so the efficiency is low, and the working strength of operator is high.

[0004] In view of the problems existing in the above-mentioned sand blasting, the present application provides a new automatic sand blasting machine, which realizes automatic, continuous and simultaneous sand blasting of multiple samples, can adjust the sand blasting height, angle, speed, pressure and other parameters according to different sample surface requirements, has uniform sand blasting, good sand blasting effect and high efficiency, and greatly reduces the working intensity of workers. Utility model content

[0005] The utility model aims at providing a kind of automatic sand blasting machine, and multiple sand blasting gun heads are used to realize automatic, continuous and simultaneous sand blasting of multiple samples with adjustable sand blasting parameters, to improve working efficiency and reduce working intensity. The specific technical scheme is as follows:

[0006] An automatic sand blasting machine comprises a sample conveying system, a sand blasting system above the sample conveying system, a sand system below the sample conveying system, a compressed air system above the sand blasting system, a sample cleaning system hung on the sand system and manually operated to clean the sample on the sample conveying system, a dust removal system beside the sample conveying system and above the output end of the dust removal system, and a control system, wherein the sample conveying system, the sand blasting system, the compressed air system, the sand system, the sample cleaning system and the dust removal system are electrically connected with the control system.

[0007] The sand blasting system comprises a sand blasting chamber, a sand blasting device, a swing rod, an adjuster and a swing rod driving motor, the sand blasting chamber is installed above the sample conveying system, the swing rod driving motor is installed above the sand blasting chamber, a first connecting rod is installed on the output end of the swing rod driving motor, the sand blasting chamber is rotationally provided with a driving rod and a driven rod, a second connecting rod is provided on the end of the driving rod, the first connecting rod is connected with the second connecting rod, gears are provided on the ends of the driving rod and the driven rod, the driving rod and the driven rod are connected through a gear chain, the driving rod is rotated by the swing rod driving motor, a plurality of swing rods are installed on the driving rod and the driven rod through the adjuster, the sand blasting device is installed on the lower end of the swing rod, the swing rod driving motor is a swing motor, and the swing rod driving motor drives the sand blasting device to reciprocating swing.

[0008] Preferably, an observation window is provided outside the sand blasting chamber, a safety interlock device is provided in the observation window, the safety interlock device is electrically connected with the control system, and the safety interlock device triggers the sand blasting system to be disconnected when the observation window is opened.

[0009] Preferably, the sand blasting device comprises a sand conveying pipe connecting end, a compressed air pipe connecting end and a high-pressure sand blasting nozzle, the sand blasting device has a Y-shaped structure, and the upper end surface of the compressed air pipe connecting end is higher than the upper end surface of the sand conveying pipe connecting end.

[0010] Preferably, the height adjusting device comprises a connector, a first height adjusting rod, a second height adjusting rod, a nut, a second adjusting device and a bolt, the connector is provided with a first circular through hole for adapting with the power rod or the driven rod, the connector is also provided with a second circular through hole for installing the first height adjusting rod, the bolt is installed on the connector and penetrates the sidewall of the second circular through hole to press the second height adjusting rod, the nut is installed on the lower end of the first height adjusting rod, the second adjusting device is rotatably installed on the nut through the bolt, the second adjusting device is perpendicular to the first height adjusting rod, the second adjusting device is provided with a third circular through hole, and the second height adjusting rod is installed in the third circular through hole.

[0011] Preferably, the compressed air system comprises a compressed air storage tank and a compressed air pipeline, one end of the compressed air pipeline is connected with the compressed air pipeline connecting end, and the other end is connected with the compressed air storage tank.

[0012] Preferably, the sand system comprises a sand storage tank, a sand recovery box, a sand recovery pipeline and a second compressed air pipeline, the sand storage tank is installed on the top of the sand blasting chamber and extends into the sand blasting area inside the sand blasting chamber, the part of the sand storage tank outside the sand blasting chamber is in a cylindrical shape, the part of the sand storage tank inside the sand blasting chamber is in a conical shape, the sand recovery box is installed below the sample conveying system, the bottom of the sand storage tank is provided with a movable plug, one end of the sand recovery pipeline is connected with the sand recovery box, and the other end is connected with the sand storage tank, a plurality of sand conveying pipelines are connected to the sand storage tank, and the sand conveying pipelines are connected with the sand conveying pipeline connecting end.

[0013] Preferably, the sample cleaning system comprises a high-pressure sand blowing device and a high-pressure air gun, the high-pressure sand blowing device is installed on the side of the sand blasting chamber and located at the outlet of the sand blasting chamber, the high-pressure air gun is hung on the outer arm surface of the sand blasting chamber, and the sample cleaning system is connected with the compressed air system through a pipeline.

[0014] Preferably, the dust removal system comprises a fan, a dust collection chamber, a dust collection bag, a waste sand pipeline, a dust collection pipeline and a dust collection water tank, the fan is installed on the top of the dust collection chamber, and the acting end thereof faces the dust collection chamber, the dust collection water tank is installed on the side of the dust collection chamber and communicates with the fan through the dust collection pipeline, the dust collection chamber is connected with the top of the inlet and outlet of the sand blasting chamber and the top of the sand storage tank through the waste sand pipeline, and the dust collection bag is located in the dust collection chamber.

[0015] Preferably, the control system comprises a sand blasting pressure regulator, a swing frequency converter, a conveying frequency converter, a swing switch, a conveying switch, a fan switch, a sand blasting switch, a total power switch and an emergency stop switch.

[0016] Preferably, the sample conveying system comprises a mounting bracket, a driving motor, a supporting roller, a conveying belt, a sample placing net, an upper loading table and a lower loading table, the upper loading table and the lower loading table are respectively arranged at opposite ends of the mounting bracket, the driving motor is mounted on the mounting bracket, the supporting roller is mounted on the mounting bracket, the conveying belt is sleeved on the supporting roller, the sample placing net is mounted on the conveying belt, driving gears are arranged on the output end of the driving motor and the supporting roller, and the driving motor and the supporting roller are connected through a linkage gear chain, samples are placed on the sample placing net, and the samples are conveyed through the driving motor.

[0017] Compared with the prior art, the automatic sand blasting machine has the following beneficial effects:

[0018] 1. The automatic sand blasting machine can adjust the sand blasting height, angle and other parameters of the sand blasting device to meet the sand blasting requirements, and the speed (frequency) of the back-and-forth reciprocating swing of the sand blasting nozzle can be adjusted by adjusting the rotating speed (swing speed) of the swing rod driving motor.

[0019] 2. The automatic sand blasting machine can adjust the sand blasting pressure by adjusting the compressed air system to ensure the stability and uniformity of the sand blasting process.

[0020] 3. The automatic sand blasting machine can control the work of the automatic sand blasting machine through the control system, the sand material is uniformly sprayed from the sand blasting nozzle according to the set parameters, the sand material can be recycled, the operator only needs to place the sample on the sample placing net, the sample uniformly enters the sand blasting chamber along with the sample placing net, and automatic and continuous sand blasting can be realized, the influence of human factors on the sand blasting effect is avoided, the consistency of the sand blasting effect is realized, the waste sample caused by human operation errors is reduced, the work efficiency is greatly improved, and the work intensity is reduced.

[0021] 4. The automatic sand blasting machine further comprises a dust removal system, the dust removal system can suck the waste sand particles into the dust collection bag through the waste sand pipe, part of the waste sand that fails to enter the dust collection bag can enter the dust collection water tank through the dust collection pipe, fine waste particles are further prevented from floating in the air to affect the air quality and the health of personnel, and the cleanliness and safety of the working environment are improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. In all the drawings, similar elements or parts are generally identified by similar reference signs. In the drawings, the elements or parts are not necessarily drawn according to the actual proportion.

[0023] Figure 1 It is the automatic sand blasting machine overall structure schematic view of the present application;

[0024] Figure 2 It is the sample conveying system structure schematic view in the present application;

[0025] Figure 3 It is the sand blasting system local structure schematic view in the present application;

[0026] Figure 4 It is the sand blasting system swing sand blasting drive structure schematic view in the present application;

[0027] Figure 5 It is the installation local structure schematic view of the sand blasting device in the present application;

[0028] Figure 6 It is the second visual angle structure schematic view of the automatic sand blasting machine in the present application;

[0029] Figure 7 It is the third visual angle structure schematic view of the automatic sand blasting machine in the present application;

[0030] Figure 8 It is the fourth visual angle structure schematic view of the automatic sand blasting machine in the present application;

[0031] Figure 9 It is the front view of the automatic sand blasting machine in the present application Figure 1 .

[0032] Figure 10 It is the front view of the automatic sand blasting machine in the present application Figure 2 .

[0033] Main drawing mark explanation:

[0034] 10-sample conveying system, 11-driving motor, 12-supporting roller, 13-conveying belt, 14-sample placing net, 15-feeding table, 16-discharging table, 20-sand blasting system, 21-sand blasting chamber, 211-observation window, 212-safety interlock device, 22-sand blasting device, 221-sand conveying pipe connecting end, 222-compressed air pipe connecting end, 223-high pressure sand blasting nozzle, 23-swinging rod, 231-power rod, 232-driven rod, 24-adjuster, 241-connector, 242-first circular through hole, 243-second circular through hole, 244-adjusting bolt, 245-second height adjusting rod, 246-nut, 247-second adjuster, 248-third circular through hole, 249-second height adjuster, 250-bolt, 25-swinging rod driving motor, 30-compressed air system, 31-compressed air storage tank, 32-compressed air pipe, 40-sand system, 41-sand storage tank, 411-movable rubber plug, 42-sand recovery box, 43-sand recovery pipe, 44-second compressed air pipe, 50-sample cleaning system, 51-high pressure sand blowing device, 52-high pressure air gun, 60-dust removal system, 61-fan, 62-dust collecting chamber, 63-dust collecting bag, 64-waste sand pipe, 65-dust collecting pipe, 66-dust collecting water tank, 70-control system, 71-sand blasting pressure regulator, 72-swinging frequency converter, 73-conveying frequency converter, 74-swinging switch, 75-conveying switch, 76-fan switch, 77-sand blasting switch, 78-main power switch, 79-emergency stop switch. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0036] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "top", "bottom", "top surface", "bottom surface", "inner", "outer", "inner side", "outer side" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0037] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If the terms "first," "second," and "third" are used in the description, they are for descriptive purposes and to distinguish technical features, and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the sequential relationship of the indicated technical features.

[0038] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. The embodiments of this utility model will now be described based on its overall structure.

[0039] Example

[0040] like Figures 1 to 10 As shown, the present invention provides an automatic sandblasting machine, including a sample conveying system 10, a sandblasting system 20 is mounted above the sample conveying system 10, the sample conveying system 10 is responsible for conveying the sample from the inlet to the outlet of the sandblasting system 20, an abrasive system 40 is arranged below the sample conveying system 10, the abrasive system 40 is used to collect and circulate the abrasive sprayed by the sandblasting system 20, a compressed air system 30 is arranged above the sandblasting system 20, a sample cleaning system 50 is hung on the abrasive system 40, and the sample on the sample conveying system 10 is cleaned by manual operation, a dust removal system 60 is arranged on the side of the sample conveying system 10, the output end of the dust removal system 60 is located above the sample conveying system 10, and the compressed air system 30 is used to deliver compressed air to the sandblasting system 20, the abrasive system 40, the sample cleaning system 50 and the dust removal system 60;

[0041] It also includes a control system 70, and the sample conveying system 10, sandblasting system 20, compressed air system 30, abrasive material system 40, sample cleaning system 50 and dust removal system 60 are all electrically connected to the control system 70. The control system 70 is used to control the operation of the entire automatic sandblasting machine.

[0042] Preferably, the sandblasting system 20 comprises a sandblasting chamber 21, a sandblasting device 22, a swing rod 23, an adjuster 24 and a swing rod driving motor 25, the sandblasting chamber 21 is installed above the sample conveying system 10, the swing rod driving motor 25 is installed above the sandblasting chamber 21, a first connecting rod is installed on the output end of the swing rod driving motor 25, the sandblasting chamber 21 is rotationally provided with a driving rod 231 and a driven rod 232, the end of the driving rod 231 is provided with a second connecting rod, the first connecting rod is connected with the second connecting rod, the driving rod 231 and the end of the driven rod 232 are provided with gears, the driving rod 231 and the driven rod 232 are connected through a gear chain 233, the driving rod 231 is driven to rotate by the swing rod driving motor 25, a plurality of swing rods 23 are installed on the driving rod 231 and the driven rod 232 through the adjuster 24, the lower end of the swing rod 23 is provided with the sandblasting device 22, the swing rod driving motor 25 is a swing motor, and the sandblasting device 22 is driven to reciprocate by the swing rod driving motor 25.

[0043] In some preferred embodiments, an observation window 211 is arranged outside the sandblasting chamber 21, through which the operator can observe the working condition inside the sandblasting chamber 21 in real time, a safety interlock device 212 is arranged in the observation window 211, the safety interlock device 212 is electrically connected with the control system 70, when the observation window 211 is opened, the safety interlock device 212 triggers the sandblasting system 20 to be disconnected, so as to prevent the high-pressure sand from being sprayed out of the equipment and causing harm to the personnel.

[0044] It is worth mentioning that the sandblasting device 22 comprises a sand conveying pipe connecting end 221, a compressed air pipe connecting end 222 and a high-pressure sandblasting nozzle 223, the sandblasting device 22 has a Y-shaped structure, the upper end surface of the compressed air pipe connecting end 222 is higher than that of the sand conveying pipe connecting end 221, so that the sand can be sprayed out of the high-pressure sandblasting nozzle 223 under the pressure of compressed air.

[0045] In some preferred embodiments, the adjuster 24 comprises a connector 241, an adjusting bolt 244, a first height adjusting rod 245, a nut 246, a second adjuster 247, a second height adjusting rod 249 and a bolt 250, the connector 241 is provided with a first circular through hole 242 for adapting with the power rod 231 or the driven rod 232, the connector 241 is also provided with a second circular through hole 243 for mounting the first height adjusting rod 245, the adjusting bolt 244 is mounted on the connector 241 and penetrates the sidewall of the second circular through hole 243 to press the second height adjusting rod 245, the nut 246 is mounted on the lower end of the first height adjusting rod 245, the second adjuster 247 is rotatably mounted on the nut 246 through the bolt 250, the second adjuster 247 is perpendicular to the first height adjusting rod 245, the second adjuster 247 is provided with a third circular through hole 248, the second height adjusting rod 249 is mounted in the third circular through hole 248, so that the installation height, angle and other parameters of the sand blasting device 22 can be adjusted according to actual needs, at the same time, the speed, pressure and other parameters of sand blasting can be adjusted by replacing the sand blasting device 22, adjusting the rotating speed of the swing rod driving motor 25 or adjusting the pressure of the compressed air system 30.

[0046] In some preferred embodiments, the compressed air system 30 comprises a compressed air storage tank 31 and a compressed air pipeline 32, one end of the compressed air pipeline 32 is connected with the compressed air pipeline connecting end 222, and the other end is connected with the compressed air storage tank 31; the compressed air pipeline 32 is used for delivering compressed air to the sand blasting system 20, the sand material system 40, the sample cleaning system 50 and the dust removal system 60.

[0047] In some preferred embodiments, the sand system 40 comprises a sand storage tank 41, a sand recovery tank 42, a sand recovery pipe 43 and a second compressed air pipe 44, the sand storage tank 41 is installed on the top of the sand blasting chamber 21 and extends into the sand blasting area inside the sand blasting chamber 21, the part of the sand storage tank 41 outside the sand blasting chamber 21 is cylindrical, and the part of the sand storage tank 41 inside the sand blasting chamber 21 is conical, which facilitates the falling of sand from the sand storage tank 41, the sand recovery tank 42 is installed below the sample conveying system 10, and the sand recovery tank 42 is used to recover the sand falling in the sand blasting chamber 21, it is worth mentioning that the lower part of the sand blasting machine is also conical structure, which facilitates the sinking of sand, the bottom of the sand storage tank 41 is provided with a movable plug 411, one end of the sand recovery pipe 43 is connected to the sand recovery tank 42, and the other end is connected to the sand storage tank 41, the recovered sand enters the sand recovery pipe 43 under the action of compressed air in the compressed air pipe 32, and then enters the sand storage tank 41 at a high place, realizing recycling.

[0048] The sand storage tank 41 is connected to a plurality of sand conveying pipes, and the sand conveying pipes are connected to the sand conveying pipe connecting end 221.

[0049] In some preferred embodiments, the sample cleaning system 50 comprises a high-pressure sand blowing device 51 and a high-pressure air gun 52, the high-pressure sand blowing device 51 is installed on the side of the sand blasting chamber 21 and located at the outlet of the sand blasting chamber 21, the high-pressure air gun 52 is hung on the outer arm surface of the sand blasting chamber 21, and the sample cleaning system 50 is connected to the compressed air system 30 through a pipeline, the sample cleaning system 50 is used for further cleaning treatment of the sample surface after taking out the sand blasted sample, so as to realize the clean effect of the sample surface and improve the quality of production.

[0050] In some preferred embodiments, the dust removal system 60 comprises a fan 61, a dust collection chamber 62, a dust collection bag 63, a waste sand pipe 64, a dust collection pipe 65 and a dust collection water tank 66. The fan 61 is installed on the top of the dust collection chamber 62, with its working end facing the dust collection chamber 62. The dust collection water tank 66 is installed on the side of the dust collection chamber 62 and is in communication with the fan 61 through the dust collection pipe 65. The dust collection chamber 62 is connected to the top of the inlet and outlet of the sandblasting chamber 21 and the top of the sand storage tank 41 through the waste sand pipe 64. The dust collection bag 63 is located in the dust collection chamber 62. The fan 61 is used to draw the waste sand into the dust collection bag 63 through the waste sand pipe 64. Part of the waste sand that fails to enter the dust collection bag 63 will enter the dust collection water tank 66 through the dust collection pipe 65, further avoiding the fine waste sand particles floating in the air to affect air quality and human health.

[0051] In some preferred embodiments, the control system 70 comprises a sandblasting pressure regulator 71, a swing frequency converter 72, a conveying frequency converter 73, a swing switch 74, a conveying switch 75, a fan switch 76, a sandblasting switch 77, a main power switch 78 and an emergency stop switch 79.

[0052] Further, the emergency stop switch 79 is pressed to achieve the purpose of rapid power-off when an emergency occurs. The sandblasting pressure regulator 71 is used to adjust the sandblasting pressure. The swing frequency converter 72 is used to adjust the swing frequency of the swing rod 23. The conveying frequency converter 73 is used to adjust the speed of the sample passing through the sandblasting chamber 21. The faster the sample passes through the sandblasting chamber 21, the shorter the residence time of the sample in the sandblasting chamber 21, i.e. the shorter the time of the sample being sandblasted, and vice versa. The swing switch 74 is used to turn on or off the swing function of the swing rod 23. The conveying switch 75 is used to turn on or off the conveying function of the sample. The fan switch 76 is used to turn on or off the collection function of the waste sand. The sandblasting switch 77 is used to turn on or off the sandblasting function. The main power switch 78 is used to turn on or off the power supply of the entire automatic sandblasting machine. According to specific requirements, the sandblasting pressure regulator 71, the swing frequency converter 72 and the conveying frequency converter 73 are adjusted to achieve the desired sandblasting effect. When the sandblasting pressure, the swing frequency of the swing rod 23, the sample conveying speed and the sandblasting angle (amplitude) are determined, the sandblasting process is also determined. The equipment automatically performs continuous sandblasting work according to the set parameters, achieving uniform sandblasting effect.

[0053] In some preferred embodiments, the sample conveying system 10 comprises a mounting bracket, a driving motor 11, a supporting roller 12, a conveying belt 13, a sample placing net 14, an upper loading platform 15 and a lower loading platform 16, the upper loading platform 15 and the lower loading platform 16 are respectively arranged at opposite ends of the mounting bracket, the driving motor 11 is mounted on the mounting bracket, the supporting roller 12 is mounted on the mounting bracket, the conveying belt 13 is sleeved on the supporting roller 12, the sample placing net 14 is mounted on the conveying belt 13, the supporting roller 12 and the output end of the driving motor 11 are provided with driving gears, the driving motor 11 and the supporting roller 12 are connected through a linkage gear chain, samples are placed on the sample placing net 14, and the samples are conveyed through the driving motor 11.

[0054] In summary, the automatic sand blasting machine provided by the present application can adjust the sand blasting height, angle and other parameters of the sand blasting device to meet the sand blasting requirements, and the speed (frequency) of the back-and-forth reciprocating swing of the sand blasting nozzle can be adjusted by adjusting the rotating speed (swing speed) of the swing rod driving motor; the working of the automatic sand blasting machine is controlled by the control system, the sand is uniformly blasted from the sand blasting nozzle according to the set parameters, and the sand can be recycled, the operator only needs to place the sample on the sample placing net, and the sample can be uniformly fed into the sand blasting chamber along with the sample placing net, so that automatic and continuous sand blasting can be realized, the influence of human factors on the sand blasting effect is avoided, the consistency of the sand blasting effect is realized, the waste sample caused by human operation errors is reduced, the working efficiency is greatly improved, and the working intensity is reduced.

[0055] The foregoing description of specific exemplary embodiments of the present application is intended to be illustrative only and is not intended to be limiting as to the scope of the present application. It is apparent that many modifications and variations are possible in light of the above teachings without departing from the scope of the present application. It is therefore intended to cover any and all modifications and variations of this application which fall within the scope of the appended claims when interpreted in accordance with the principles and teachings of the present application. While the present application has been described with reference to one or more particular embodiments, it is not intended to suggest that the present application is limited to such particular embodiments. On the contrary, it is intended to cover all modifications, equivalents and alternatives falling within the scope of the present application as defined by the appended claims.

Claims

1. An automatic sand blasting machine, comprising a sample conveying system (10), a sand blasting system (20) above the sample conveying system (10), a sand system (40) below the sample conveying system (10), a compressed air system (30) above the sand blasting system (20), a sample cleaning system (50) hung on the sand system (40), the sample cleaning system (50) being manually operated to clean the sample on the sample conveying system (10), a dust removal system (60) beside the sample conveying system (10), an output end of the dust removal system (60) being above the sample conveying system (10), and a control system (70), the sample conveying system (10), the sand blasting system (20), the compressed air system (30), the sand system (40), the sample cleaning system (50) and the dust removal system (60) being electrically connected with the control system (70), characterized in that: the sand blasting system (20) comprises a sand blasting chamber (21), a sand blasting device (22), a swing rod (23), an adjuster (24) and a swing rod driving motor (25), the sand blasting chamber (21) is installed above the sample conveying system (10), the swing rod driving motor (25) is installed above the sand blasting chamber (21), a first connecting rod is installed on an output end of the swing rod driving motor (25), the sand blasting chamber (21) is rotationally provided with a driving rod (231) and a driven rod (232), an end of the driving rod (231) is provided with a second connecting rod, the first connecting rod is connected with the second connecting rod, the driving rod (231) and the end of the driven rod (232) are provided with gears, the driving rod (231) and the driven rod (232) are linked through a gear chain (233), the driving rod (231) is driven to rotate by the swing rod driving motor (25), a plurality of the swing rods (23) are installed on the driving rod (231) and the driven rod (232) through the adjuster (24), a lower end of the swing rod (23) is installed with the sand blasting device (22), the swing rod driving motor (25) is a swing motor, and the sand blasting device (22) is driven to reciprocating swing by the swing rod driving motor (25). An observation window (211) is provided outside the sand blasting chamber (21), a safety interlocking device (212) is provided in the observation window (211), the safety interlocking device (212) is electrically connected with the control system (70), when the observation window (211) is opened, the safety interlocking device (212) triggers the sand blasting system (20) to be disconnected.

2. An automatic sandblasting machine according to claim 1, characterized in that The sand blasting device (22) comprises a sand conveying pipeline connecting end (221), a compressed air pipeline connecting end (222) and a high-pressure sand blasting nozzle (223), the sand blasting device (22) is in a Y-shaped structure, and an upper end surface of the compressed air pipeline connecting end (222) is higher than an upper end surface of the sand conveying pipeline connecting end (221).

3. An automatic sandblasting machine according to claim 1, characterized in that ​ 4. An automatic sandblasting machine according to claim 1, characterized in that, The regulator (24) comprises a connector (241), an adjusting bolt (244), a first height adjusting rod (245), a nut (246), a second regulator (247), a second height adjusting rod (249) and a bolt (250), the connector (241) is provided with a first circular through hole (242) for adapting with the power rod (231) or the driven rod (232), the connector (241) is also provided with a second circular through hole (243) for installing the first height adjusting rod (245), the adjusting bolt (244) is installed on the connector (241) and penetrates the sidewall of the second circular through hole (243) to press the first height adjusting rod (245), the nut (246) is installed at the lower end of the first height adjusting rod (245), the second regulator (247) is rotatably installed on the nut (246) through the bolt (250), the second regulator (247) is perpendicular to the first height adjusting rod (245), the second regulator (247) is provided with a third circular through hole (248), and the second height adjusting rod (249) is installed in the third circular through hole (248).

5. An automatic sandblasting machine according to claim 3, characterized in that The compressed air system (30) comprises a compressed air storage tank (31) and a compressed air pipeline (32), one end of the compressed air pipeline (32) is connected with the compressed air pipeline connecting end (222), and the other end is connected with the compressed air storage tank (31).

6. An automatic sandblasting machine according to claim 5, characterized in that The sand system (40) comprises a sand storage tank (41), a sand recovery box (42), a sand recovery pipeline (43) and a second compressed air pipeline (44), the sand storage tank (41) is installed at the top of the sand blasting chamber (21) and extends into the sand blasting area inside the sand blasting chamber (21), the part of the sand storage tank (41) located outside the sand blasting chamber (21) is in a cylindrical shape, the part of the sand storage tank (41) located inside the sand blasting chamber (21) is in a conical body, the sand recovery box (42) is installed below the sample conveying system (10), the bottom of the sand storage tank (41) is provided with a movable rubber plug (411), one end of the sand recovery pipeline (43) is connected with the sand recovery box (42), the other end is connected with the sand storage tank (41), a plurality of sand conveying pipelines are connected to the sand storage tank (41), and the sand conveying pipelines are connected with the sand conveying pipeline connecting end (221).

7. An automatic sandblasting machine according to claim 1, characterized in that, The sample cleaning system (50) comprises a high-pressure sand blowing device (51) and a high-pressure air gun (52), the high-pressure sand blowing device (51) is installed on the side of the sand blasting chamber (21) and located at the outlet of the sand blasting chamber (21), the high-pressure air gun (52) is hung on the outer arm surface of the sand blasting chamber (21), and the sample cleaning system (50) is connected with the compressed air system (30) through a pipeline.

8. An automatic sandblasting machine according to claim 6, characterized in that The dust removal system (60) comprises a fan (61), a dust collection chamber (62), a dust collection bag (63), a waste sand pipe (64), a dust collection pipe (65) and a dust collection water tank (66), the fan (61) is installed on the top of the dust collection chamber (62), the acting end thereof faces the dust collection chamber (62), the dust collection water tank (66) is installed on the side of the dust collection chamber (62) and communicates with the fan (61) through the dust collection pipe (65), the dust collection chamber (62) is connected with the top of the inlet and outlet of the sand blasting chamber (21) and the top of the sand storage tank (41) through the waste sand pipe (64) respectively, and the dust collection bag (63) is located in the dust collection chamber (62).

9. An automatic sandblasting machine according to claim 1, characterized in that, The control system (70) comprises a sand blasting pressure regulator (71), a swing frequency converter (72), a conveying frequency converter (73), a swing switch (74), a conveying switch (75), a fan switch (76), a sand blasting switch (77), a total power switch (78) and an emergency stop switch (79).

10. The automatic sandblasting machine according to claim 1, characterized in that, The sample conveying system (10) comprises a mounting bracket, a driving motor (11), a supporting roller (12), a conveying belt (13), a sample placing net (14), an upper feeding table (15) and a lower feeding table (16), the upper feeding table (15) and the lower feeding table (16) are respectively arranged at opposite ends of the mounting bracket, the driving motor (11) is mounted on the mounting bracket, the supporting roller (12) is mounted on the mounting bracket, the conveying belt (13) is sleeved on the supporting roller (12), the sample placing net (14) is mounted on the conveying belt (13), driving gears are arranged on the output end of the driving motor (11) and the supporting roller (12), and the driving motor (11) and the supporting roller (12) are connected through a linkage gear chain, samples are placed on the sample placing net (14) and conveyed through the driving motor (11).

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