CN219945824U

CN219945824U - Sand blasting equipment

Info

Publication number: CN219945824U
Application number: CN202321276919.4U
Authority: CN
Inventors: 蒋林中; 蒲晶菁; 高超; 廖雪波; 龙磊军; 李汭
Original assignee: Fujian Ningde Nuclear Power Co Ltd
Current assignee: Fujian Ningde Nuclear Power Co Ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-11-03
Anticipated expiration: 2033-05-24

Abstract

The utility model discloses sand blasting equipment, which comprises a box body and a sand blasting mechanism, wherein a workpiece space is arranged in the box body; the sand blasting mechanism comprises a top sand blasting unit and a side sand blasting unit, wherein the top sand blasting unit comprises a top spray gun, and the side sand blasting unit comprises a side spray gun; the top spray gun is arranged in the box body and positioned above the workpiece space, and the nozzle faces the workpiece space; the side spray gun is arranged in the box body and positioned at the side part of the workpiece space, and the nozzle faces the workpiece space. Firstly, by arranging the top spray gun unit and the side spray gun units, the workpiece is subjected to sand blasting treatment in different directions, so that the sand blasting operation area and the sand blasting efficiency are improved; secondly, the sand blasting range is enlarged, so that the sand blasting quality is ensured, the frequency of manual auxiliary sand blasting treatment is reduced, and the labor intensity is reduced; furthermore, the sandblasting range is increased, so that the sandblasting operation area is increased, the placing state of the workpiece does not need to be frequently adjusted according to the size of the workpiece, and the suitability of the workpiece with different sizes is improved.

Description

Sand blasting equipment

Technical Field

The utility model relates to the technical field of sand blasting processing, in particular to sand blasting equipment.

Background

When the surface of the workpiece is cleaned, the sand blasting process can be adopted to remove impurities such as oxide skin, salt, grease, burrs and the like on the surface of the workpiece, so that the smoothness and the service performance of the workpiece are improved.

The sand blasting equipment in the related art can automatically perform sand blasting treatment on a workpiece, but is provided with the spray gun in one direction only, so that the spray angle of the spray gun is single, the requirement of multi-direction spraying cannot be met, and the sand blasting equipment has the defects of small sand blasting operation area, low sand blasting efficiency and unreliable sand blasting quality; secondly, because the sand blasting quality is unreliable, the workpiece can be fully sprayed only by frequently carrying out auxiliary cleaning through manual sand blasting treatment, and the defects of high labor intensity and high risk of mechanical injury are overcome; furthermore, because the sand blasting operation area is small, the placing state of the sand blasting operation area needs to be adjusted in time according to the size of the workpiece manually, and the sand blasting operation area has the defect of poor suitability for workpieces with different sizes.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the sand blasting equipment which has the advantages of large sand blasting area, high sand blasting efficiency, small labor intensity and strong suitability for workpieces with different sizes.

The technical scheme adopted for solving the technical problems is as follows:

there is provided a blasting apparatus comprising:

the box body is internally provided with a workpiece space for placing a workpiece; and a blasting mechanism comprising a top blasting unit comprising at least one top blast gun and a side blasting unit comprising at least one side blast gun; the at least one top spray gun is arranged in the box body and is positioned above the workpiece space, and the spray nozzle of the at least one top spray gun faces the workpiece space; at least one side spray gun is arranged in the box body and positioned at the side part of the workpiece space, and the nozzle of the side spray gun faces the workpiece space.

In some embodiments, the at least one top lance and/or the at least one side lance is movably disposed within the housing.

In some embodiments, the at least one top lance and/or the at least one side lance is swingably disposed within the housing.

In some embodiments, the at least one top lance comprises a plurality of top lances swingably disposed within the housing and arranged in at least two rows within the housing, a distance between two of the top lances disposed side by side in opposition being less than or equal to a swing amplitude of the top lance; and/or the at least one side spray gun comprises a plurality of side spray guns, the plurality of side spray guns are arranged in the box body in a swinging way, at least two rows of side spray guns are arranged in the box body, and the distance between two side spray guns which are arranged oppositely side by side is smaller than or equal to the swinging amplitude of the side spray guns.

In some embodiments, the blasting apparatus includes a mounting mechanism including a turntable disposed at a lower portion of the work space, and a first driving device that drives the turntable to rotate.

In some embodiments, the turntable is mounted in the housing so as to be movable up and down.

In some embodiments, the apparatus includes a mounting mechanism including a hanging structure disposed at an upper portion of the work space and a second driving device that drives rotation of the hanging structure.

In some embodiments, the hanging structure is mounted in the box body in a vertically movable manner.

In some embodiments, the top of the box is disposed on a trough section, the trough section being disposed in a direction parallel to the top surface of the box; one end of the hanging structure is connected to the groove section, and the hanging structure can move in the groove section.

In some embodiments, the side wall of the box body is provided with a plurality of pairs of operation hand holes, any pair of operation hand holes are oppositely arranged along the horizontal direction, and the plurality of pairs of operation hand holes are arranged along the vertical direction.

The implementation of the utility model has the following beneficial effects: firstly, by arranging the top spray gun unit and the side spray gun units, the workpiece is subjected to sand blasting treatment in different directions, so that the sand blasting operation area and the sand blasting efficiency are improved; secondly, the sand blasting range is enlarged, so that the sand blasting quality is ensured, the frequency of manual auxiliary sand blasting treatment is reduced, and the labor intensity is reduced; furthermore, the sandblasting range is increased, so that the sandblasting operation area is increased, the placing state of the workpiece does not need to be frequently adjusted according to the size of the workpiece, and the suitability of the workpiece with different sizes is improved.

Drawings

The utility model will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic diagram of a blasting apparatus in accordance with some embodiments of the present utility model;

FIG. 2 is a right side view of the blasting apparatus shown in FIG. 1;

FIG. 3 is a front view of the blasting apparatus shown in FIG. 1;

FIG. 4 is a top view of the blasting apparatus shown in FIG. 1;

fig. 5 is a top view of a blasting apparatus in another embodiment of the utility model.

Detailed Description

For a clearer understanding of technical features, objects and effects of the present utility model, a detailed description of embodiments of the present utility model will be made with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", "longitudinal", "transverse", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are configured and operated in specific directions based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model, and do not indicate that the apparatus or element to be referred to must have specific directions, and thus should not be construed as limiting the present utility model.

It should also be noted that unless explicitly stated or limited otherwise, terms such as "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or one or more intervening elements may also be present. The terms "first," "second," "third," and the like are used merely for convenience in describing the present utility model and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," etc. may explicitly or implicitly include one or more such features. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present utility model. It will be apparent, however, to one skilled in the art that the present utility model may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present utility model with unnecessary detail.

Fig. 1 illustrates a blasting apparatus for blasting a workpiece to remove impurities (e.g., rust, old paint film, scale, etc.) from a surface of the workpiece, which may include a box 1, a blasting mechanism 2, a mounting mechanism 3, a pressure control mechanism 4, a recovery mechanism 5, and an automation control mechanism 6, in some embodiments. The box body 1 is used for providing structural support for all parts, and a sealed accommodating cavity is arranged in the box body to prevent dust generated in the working process from overflowing and polluting the environment; a workpiece space is arranged in the accommodating cavity and is used for accommodating a workpiece to be subjected to sand blasting. The blasting mechanism 2 is internally provided with an air flow channel, one end of which is arranged outside the box 1 and is communicated with an air inlet device (not shown), and the other end of which is arranged inside the box 1 for spraying sand onto a workpiece through air flow. The mounting mechanism 3 is disposed in the accommodating space for mounting the workpiece in the workpiece space.

The pressure control mechanism 4 is connected with an air flow channel inside the sand blasting mechanism 2 and is used for detecting the pressure of sand blasting gas and adjusting the pressure of the gas according to the actual impurity removal requirement. The recovery mechanism 5 is disposed at the bottom of the accommodating space and below the installation mechanism 3, and is used for collecting and separating impurities generated after sand blasting and used sand. The automation control mechanism 6 is used to control the electrical components and circuits.

As shown in fig. 1 and 4, the case 1 may include a first side 11, a second side 12, a third side 13, a fourth side 14, and a top surface 15 in some embodiments. The first side 11 is disposed opposite to the third side 13, the second side 12 is disposed opposite to the fourth side 14, and the top surface 15 is disposed on top of the case 1.

The case 1 may also include an operator door 16, an observation window 17, and an operator hand hole 18 in some embodiments. As shown in fig. 1, an operation door 16 is provided at the first side 11 for providing an opening for placing the work from the outside to the inside of the case 1. As shown in fig. 3, a viewing window 17 is provided on the fourth side 14 for viewing the degree of decontamination of the workpiece; in the present embodiment, a plurality of observation windows 17 are provided which are arranged in the vertical direction to increase the observation range, facilitating the observation of workpieces at different horizontal heights. The operation hand hole 18 is provided on the fourth side 14, and is used for manually performing sand blasting on the workpiece by an operator when impurities still exist on the local surface of the workpiece after automatic sand blasting and the operator stretches hands into a protective glove (not shown) in the operation hand hole 18; in the present embodiment, a plurality of pairs of the hand holes 18 are provided, and any pair of the hand holes 18 are disposed opposite to each other in the horizontal direction, and the plurality of pairs of the hand holes 18 are disposed in the vertical direction to increase the manual operation range, so that the manual blasting treatment is performed on the workpieces at different horizontal heights.

As shown in fig. 1 and 2, the blasting mechanism 2 may in some embodiments include a top blasting unit 21, a side blasting unit 22, an air intake line 23, an air pocket 24, and an air intake valve 25. The air inlet pipeline 23 and the air bag 24 are arranged outside the box body 1 and on the top surface 15 and are close to the edge formed by the intersection of the top surface 15 and the second side surface 12; one end of the air inlet pipeline 23 is connected with an air inlet device, the other end of the air inlet pipeline is connected with the air bag 24, and compressed air output by the air inlet device is led into the air bag 24; the air bag 24 is used for storing compressed air. An intake valve 25 is provided on the intake line 23 for controlling the conduction of the intake line 23.

The top blasting unit 21 may include, in some embodiments, a top blast gun 211, a first sand pipe (not shown), a first solenoid valve 212, a first spindle 213, a first support frame 214, and a first swing motor 215.

The top lance 211 is movably disposed inside the housing 1 and above the work space with its nozzle 2110 facing the work space for providing a direction of injection of sand. The two ends of the first sand pipe are respectively connected with the air bag 24 and the top spray gun 211 for storing sand. The first electromagnetic valve 212 is disposed on the top surface 15 and connected to the output end of the air bag 24, for controlling the output of compressed air in the air bag 24. The first rotating shaft 213 is disposed in the case 1 and close to the top surface 15, and is disposed along the direction from the first side surface 11 to the third side surface 13, and two ends thereof are disposed on the first side surface 11 and the third side surface 13, respectively. The first support bracket 214 is used to fix the top lance 211 to the first rotation shaft 213. The first swing motor 215 is disposed outside the box 15 and on the top surface 15, and is connected to the first rotation shaft 213, and is used for driving the first rotation shaft 213 to rotate, so as to drive the top spray gun 211 to swing around the first rotation shaft 213, and increase the spray range of the top spray gun 211.

The air inlet line 23, the air bag 24, the first sand pipe and the top spray gun 211 are connected in sequence to form an air flow channel, and the air flow channel is used for supplying the spraying power for the sand by circulating air. Specifically, during operation, the inlet valve 25 is open, the first solenoid valve 212 is closed, and compressed air flows into the inlet line 23 and is stored in the air bag 24; the first solenoid valve 212 is opened and the compressed air in the air bag 24 drives the sand stored in the first sand pipe into the top lance 211 and onto the top surface of the workpiece. The compressed air is both the feed power and the acceleration power of the jet.

As further shown in fig. 1 and 2, the side blasting unit 22 may include a side blasting gun 221, a second sand pipe (not shown), a second solenoid valve 222, a second rotating shaft 223, a second supporting frame 224, and a second swing motor 225 in some embodiments.

The side spray gun 221 is movably arranged in the box 1 and at the side of the workpiece space, and the nozzle 2210 of the side spray gun faces to the workpiece space and is used for providing the spraying direction for the sand. The two ends of the second sand pipe are respectively connected with the air bag 24 and the side spray gun 221 for storing sand. The second electromagnetic valve 222 is disposed on the top surface 15 and connected to the output end of the air bag 24, for controlling the output of compressed air in the air bag 24. The second rotating shaft 223 is disposed in the case 1 and close to the second side 12, and is disposed along the direction from the first side 11 to the third side 13, and two ends thereof are disposed on the first side 11 and the third side 13, respectively. The second supporting frame 224 is used to fix the side spray gun 221 on the second rotating shaft 223. The second swing motor 225 is disposed outside the case 15 and on the top surface 15, and is connected to the second rotating shaft 223, and is used for driving the second rotating shaft 223 to rotate, so as to drive the side spray gun 221 to swing around the second rotating shaft 223, and increase the spray range of the side spray gun 221.

The air inlet line 23, the air bag 24, the second sand pipe and the side spray gun 221 are connected in sequence to form an air flow channel, and the air is circulated to provide the power for spraying the sand. Specifically, during operation, the inlet valve 25 is open, the second solenoid valve 222 is closed, and compressed air flows into the inlet line 23 and is stored in the air bag 24; the second solenoid valve 222 is opened and the compressed air in the air bag 24 drives the sand stored in the second sand pipe into the side spray gun 221 and sprays the sand to the side of the workpiece. The compressed air is both the feed power and the acceleration power of the jet.

As shown in fig. 2, in some embodiments, a plurality of first rotating shafts 213 and a plurality of second rotating shafts 223 may be provided, where the plurality of first rotating shafts 213 and the plurality of second rotating shafts 223 are respectively arranged side by side at uniform intervals; in the present embodiment, three first rotating shafts 213 and three second rotating shafts 223 are provided; a plurality of top spray guns 211 may be uniformly arranged on any one of the first rotating shafts 213 at intervals, and a plurality of side spray guns 221 may be uniformly arranged on any one of the second rotating shafts 223 at intervals, so as to ensure a sufficiently large spray action area.

As shown in fig. 2, the top spray gun 211 disposed on the first rotating shaft 213 has a nozzle 2110 facing from the top surface 15 to the bottom surface of the case 1, i.e. the nozzle 2110 faces the top surface of the workpiece, and is mainly used for removing impurities on the top surface of the workpiece; the side spray gun 221 disposed on the second rotating shaft 223 has a nozzle 2210 facing the direction from the second side 12 to the fourth side 14, i.e. the nozzle 2210 faces the side of the workpiece, and is mainly used for removing impurities on the side of the workpiece.

Further, the distance between two adjacent first rotating shafts 213 is smaller than or equal to the swing amplitude of the top spray guns 211, i.e. the distance between two side-by-side opposite top spray guns 211 is smaller than or equal to the swing amplitude of the top spray guns 211, so as to ensure that the spray range of the top spray guns 211 better covers the top surface of the workpiece; the distance between two adjacent second rotating shafts 223 is smaller than or equal to the swing amplitude of the side spray guns 221, namely, the distance between two side spray guns 221 which are oppositely arranged side by side is smaller than or equal to the swing amplitude of the side spray guns 221, so as to ensure that the spray range of the side spray guns 221 better covers the side surface of the workpiece; in the present embodiment, the distance between the two adjacent first shafts 213 and the two adjacent second shafts 223 is 20cm, and the swing amplitudes of the top spray gun 211 and the side spray gun 221 are 20cm.

The blasting mechanism 2 also includes, in some embodiments, a manual blasting unit that includes a manual spray gun and a manual solenoid valve 26. After automatic sand blasting, when the observation window 17 is used for finding that impurities still exist on the local surface of the workpiece, an operator can stretch hands into the operation hand hole 18, and the manual sand blasting is performed through a manual spray gun arranged in the box body 1; the personnel can flexibly control the nozzle orientation of the manual spray gun so as to ensure the precision of the sand blasting treatment of the workpiece. The manual solenoid valve 26 is used for controlling the opening and closing of the manual spray gun, and as shown in fig. 4, the manual solenoid valve 26 is disposed on the top surface 15 near the corner formed by the intersection of the first side surface 11, the fourth side surface 14 and the top surface 15, so as to facilitate manual manipulation by a person.

As shown in fig. 2, the mounting mechanism 3 may in some embodiments include a turntable 31, a hanging structure 32, a first drive 33, and a second drive (not shown). The turntable 31 is provided in the case 1 so as to be movable up and down and is provided at a lower portion of the work space for placing the work. The hanging structure 32 is disposed in the box 1 and disposed at an upper portion of the work space so as to be movable up and down, and is used for hanging the work. As shown in fig. 4, the first driving device 33 is disposed outside the case 1 and on the third side 13, and is connected to the turntable 31 for driving the turntable 31 to rotate about its own axis. The second driving device is connected to the hanging structure 32 and is used for driving the hanging structure 32 to rotate around its own axis.

The turntable 31 includes a disk portion 311 and a lever portion 312; one end of the lever 312 is connected to the disk 311, and the other end thereof is connected to the first driving device 33; in the working process, the workpiece is placed on the disc portion 311, and the first driving device 33 drives the turntable 31 to rotate so as to drive the workpiece to rotate around the axis of the turntable 31, so that the ejected sand material is ensured to be fully contacted with the surface of the workpiece. In some embodiments, the length of the rod 312, that is, the distance between the turntable 31 and the top of the box 1, can be adjusted to realize the lifting function of the turntable 31, so as to adjust the horizontal height of the workpiece placed on the turntable 31 according to the actual size of the workpiece, ensure the suitability for workpieces with different sizes, and enable the workpiece to be better in the sandblasting range.

As also shown in fig. 2, the hanging structure 32 in some embodiments includes a hanging ring 321 and a hanging rod 322, where one end of the hanging rod 322 is connected to the hanging ring 321, and the other end is connected to the second driving device and the top of the case 1; in the working process, the workpiece is connected with the hanging ring 321, and the hanging structure 32 is driven to rotate by the second driving device so as to drive the workpiece to rotate around the axis of the hanging structure 32, and the injected sand is ensured to be fully contacted with the surface of the workpiece. In some embodiments, the length of the boom 322, that is, the distance between the hanging structure 32 and the bottom of the box 1, may be adjusted to achieve the lifting function of the hanging structure 32, so as to adjust the horizontal height of the workpieces connected to the hanging structure 32 according to the actual size of the workpieces, so as to ensure the suitability for workpieces with different sizes, and make the workpieces better fall in the sandblasting range.

It will be appreciated that the configuration of supporting the workpiece may be selected according to actual requirements, i.e. the workpiece is placed on the turntable 31 or the workpiece is attached to the hanging structure 32.

In some embodiments, the size of the workpiece may be selected according to the size of the workpiece, for example, when the workpiece with a larger size or a larger weight is required to be sandblasted, in order to ensure the safety of the workpiece during rotation, the workpiece may be selected to be placed on the turntable 31, so that the workpiece rotates more smoothly; when it is desired to sand blast a workpiece of a smaller size or weight, the workpiece may be selectively attached to the hanging structure 32 to ensure the stability of the workpiece during rotation, so as to prevent the workpiece from being displaced due to an excessive rotational speed or an excessive blasting flow.

In some embodiments, the selection may be based on the cleaning surface of the workpiece, such as when sandblasting the bottom surface of the workpiece is not required, and the workpiece may be selectively attached to the hanging structure 32; when the bottom surface of the workpiece needs to be sandblasted, the workpiece can be placed on the turntable 31, and after the sandblasting of the top surface of the workpiece is completed, an operator manually turns over the workpiece to realize the sandblasting of the bottom surface of the workpiece.

In some embodiments, as shown in fig. 4, the top surface 15 is provided with a groove section 19, the groove section 19 is arranged along the direction from the first side surface 11 to the third side surface 13, and one end of the hanging rod 322 can slide in the groove section 19 to drive the hanging structure 32 to move along the direction from the first side surface 11 to the third side surface 13 so as to adjust the sand blasting range of the first spray gun 231 on the side surface of the workpiece.

Further, as shown in fig. 5, in some embodiments, the trough sections 19 may be arranged in a direction from the second side 12 to the fourth side 14 such that the hanging structure 32 may be moved in a direction from the second side 12 to the fourth side 14 to adjust the distance between the side spray guns 221 and the sides of the workpiece.

Therefore, the distance between the workpiece and the top spray gun 211 can be made appropriate by lifting the turntable 31 and the hanging structure 32, or the distance between the workpiece and the side spray gun 221 can be made appropriate by moving the hanging structure 32, so as to ensure good sand blasting effect; in some embodiments, the distance between the workpiece and the top lance 211 and the side lances 221, respectively, is around 10 cm.

As shown in fig. 3, the pressure control mechanism 4 may include an intake pressure gauge 41, a blasting pressure gauge 42, and a pressure regulating valve 43 in some embodiments. The intake pressure gauge 41 is disposed on the fourth side surface 14 and is adjacent to the corner formed by the intersection of the first side surface 11, the fourth side surface 14 and the top surface 15, for detecting the air pressure of the air flow passing through the intake line 23. The sand blasting pressure gauges 42 may be provided in a plurality, and the sand blasting pressure gauges 42 are disposed on the fourth side 14 and close to the edge formed by intersecting the fourth side 14 and the top surface 15; a number of blasting pressure gauges 42 are arranged uniformly in the direction of the first side 11 to the third side 13, the number of blasting pressure gauges 42 being adapted to the number of spray guns for measuring the air pressure of the air flow through the corresponding spray guns. The number of the pressure regulating valves 43 is respectively adapted to the number of the sandblasting pressure gauges 42 and the number of the spray guns, and each pressure regulating valve 43 may be disposed below each sandblasting pressure gauge 42 for adjusting the air pressure of the air flowing through the corresponding spray gun.

As shown in fig. 1, the recovery mechanism 5 may include a recovery tank 51 in some embodiments. The recovery box 51 is provided inside the box body 1 and at the bottom of the turntable 31 for recovering sand and impurities generated during the blasting process. The tray portion 311 of the turntable 31 may be provided with a plurality of holes 3110, the holes 3110 penetrate through the upper surface and the lower surface of the tray portion 311, and sand generated when the workpiece is sandblasted can fall into the recovery tank 51 through the holes 3110; the holes 3110 are arranged radially around the center of the disc 311 in some embodiments, in which a plurality of radial bars are provided, and each radial bar is provided with a plurality of holes 3110 to better discharge sand or impurities remaining on the turntable 31; the distribution position of the holes 3110 is not limited to the illustrated distribution position, and may be distributed in a net shape as long as the function of discharging foreign matter can be achieved.

The recovery mechanism 5 may also include a separator (not shown) and a dust catcher (not shown) in some embodiments. The separator is arranged outside the box body 1 and is communicated with the recovery box 51 through a pipeline; the dust remover is arranged outside the box body 1 and is communicated with the separator through a pipeline. During the working process, the used sand and the generated impurities fall into the recovery box 51, the sand and the impurities are conveyed into the separator from the recovery box 51 by negative pressure for separation, namely, the impurities with larger size (such as oxide scale and rust) are blocked by a filter screen at the lower part of the separator, and the complete sand with smaller size passes through the filter screen and is stored in a hopper at the lower part of the separator for recycling; the dust fraction (e.g., broken sand) is directly conveyed into the dust collector and stored in a hopper at the lower part of the dust collector, and finally the cleaned air after dust removal is discharged to the atmosphere.

As shown in fig. 4, the automated control mechanism 6 may include an electronic control cabinet 61 and a control device (not shown) in some embodiments. The electric control cabinet 61 is disposed outside the case 1 and on the third side 13 for assembling the control device. The control device is installed inside the electric control cabinet 61 for controlling the electric circuits and the electric components in the blasting apparatus. The automatic control mechanism 6 can electrically drive the work of the sand blasting mechanism 2, so that sand blasting treatment is not needed by manpower, sand blasting efficiency is improved, sand blasting quality is improved, and mechanical injury risk is reduced.

In some embodiments, during operation, the workpiece space is located at the middle upper part of the accommodating cavity in the box body 1, and the falling impurities and sand enter the bottom of the accommodating cavity; the first rotating shaft 213 and the second rotating shaft 223 are arranged in the middle upper space of the accommodating cavity, so as to ensure that the sand blasting ranges of the top spray gun 211 and the side spray gun 221 can cover the top surface and the side surface of the workpiece respectively; it is to be understood that the distribution positions of the first rotation shaft 213 and the second rotation shaft 223 are not limited to the illustrated distribution positions, and the first rotation shaft 213 may be disposed in a direction parallel to the top surface 15, and the second rotation shaft 223 may be disposed in a direction parallel to the second side surface 12, so long as the same or similar blasting effect can be achieved.

It is to be understood that the above examples only represent preferred embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that, for a person skilled in the art, the above technical features can be freely combined, and several variations and modifications can be made without departing from the scope of the utility model; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. A blasting apparatus, comprising:

a box body (1) with a workpiece space for placing a workpiece therein; and

-a blasting mechanism (2), the blasting mechanism (2) comprising a top blasting unit (21) and a side blasting unit (22), the top blasting unit (21) comprising at least one top blast gun (211), the side blasting unit (22) comprising at least one side blast gun (221);

the at least one top lance (211) is arranged in the box body (1) and above the workpiece space, and the nozzle (2110) of the top lance faces the workpiece space; at least one side spray gun (221) is arranged in the box body (1) and is positioned at the side of the workpiece space, and the nozzle (2210) of the side spray gun faces the workpiece space.

2. The blasting apparatus according to claim 1, wherein the at least one top lance (211) and/or the at least one side lance (221) are movably arranged within the cabinet (1).

3. The blasting apparatus according to claim 1, wherein the at least one top lance (211) and/or the at least one side lance (221) are swingably arranged within the cabinet (1).

4. The blasting apparatus according to claim 1, wherein the at least one top blast gun (211) comprises a plurality of top blast guns (211), the plurality of top blast guns (211) being swingably arranged within the cabinet (1) and being arranged in at least two rows within the cabinet (1), a distance between two of the top blast guns (211) being arranged side by side in opposition being smaller than or equal to a swing amplitude of the top blast guns (211); and/or the at least one side spray gun (221) comprises a plurality of side spray guns (221), the plurality of side spray guns (221) are arranged in the box body (1) in a swinging way, at least two rows are arranged in the box body (1), and the distance between two side spray guns (221) which are arranged side by side in an opposite way is smaller than or equal to the swinging amplitude of the side spray guns (221).

5. A blasting apparatus according to claim 1, characterized in that the blasting apparatus comprises a mounting mechanism (3), the mounting mechanism (3) comprising a turntable (31) and a first driving device (33) driving the turntable (31) in rotation, the turntable (31) being arranged in a lower part of the work space.

6. A blasting apparatus according to claim 5, wherein the turntable (31) is mounted in the cabinet (1) so as to be movable up and down.

7. A blasting apparatus according to claim 1, comprising a mounting mechanism (3), the mounting mechanism (3) comprising a hanging structure (32) and a second driving device for driving the hanging structure (32) in rotation, the hanging structure (32) being arranged in an upper part of the work space.

8. A blasting apparatus according to claim 7, wherein the hanging structure (32) is mounted in the cabinet (1) so as to be movable up and down.

9. A blasting apparatus according to claim 7, wherein the top of the box (1) is provided in a trough section (19), the trough section (19) being arranged in a direction parallel to the top surface of the box (1); one end of the hanging structure (32) is connected with the groove section (19), and the hanging structure can move in the groove section (19).

10. A blasting apparatus according to claim 1, wherein the side wall of the cabinet (1) is provided with a plurality of pairs of hand holes (18), any of the hand holes (18) being disposed opposite in the horizontal direction, the plurality of pairs of hand holes (18) being disposed in the vertical direction.