CN217513673U

CN217513673U - Surface treatment equipment

Info

Publication number: CN217513673U
Application number: CN202220892867.2U
Authority: CN
Inventors: 叶志国; 余国锋; 刘俊杰
Original assignee: Shenzhen East Win Technology Co Ltd
Current assignee: Shenzhen East Win Technology Co Ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-09-30
Anticipated expiration: 2032-04-18

Abstract

The utility model relates to the technical field of surface treatment, and discloses a surface treatment device, which comprises a wet sand blasting machine; the wet sand blasting machine comprises a sand storage hopper, an air injection device and a sand outlet pipe, wherein the air injection device is used for injecting air into the sand storage hopper to stir sand, the sand outlet pipe is communicated with the sand storage hopper, a sand blasting pump is arranged on the sand outlet pipe, and a detection device used for detecting the mixing ratio of water and sand is arranged at the outlet end of the sand blasting pump; the detection device is electrically connected with the air injection device and used for controlling the air injection amount of the air injection device according to the detected water-sand mixing ratio so as to ensure that the water-sand mixing ratio of the mixture sprayed by the sand injection pump is maintained within a set range. The surface treatment equipment can effectively reduce the labor intensity of workers.

Description

Surface treatment equipment

Technical Field

The utility model relates to a surface treatment technical field especially relates to a surface treatment equipment.

Background

The prior wet sand blasting machine pumps a sand-water mixture in a hopper by a sand blasting pump, and sprays the sand-water mixture to a workpiece through a sand blasting head so as to perform surface sand blasting treatment on the workpiece.

The prior art has the following problems that during the working period of the wet sand blasting machine, sand grains can sink to the bottom of the hopper, and water and the sand grains are obviously separated; when the amount of sand particles sinking in the hopper is large, the sand blasting pump is directly started to work, so that the sand blasting pump is easy to damage, and the efficiency of surface treatment is reduced when a sand-water mixture with low water content is directly sprayed on a workpiece; in the prior art, at intervals, a machine needs to be stopped and workers stir water and sand grains in a hopper, and a sand blasting pump is not started until the mixing ratio of the water and the sand grains reaches a certain degree, so that the efficiency of sand blasting treatment is reduced, and the labor intensity of the workers is not reduced.

In view of this, it is desirable to design a surface treatment apparatus for reducing the labor intensity of workers and improving the efficiency of blasting to some extent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a surface treatment equipment reduces workman's intensity of labour.

To achieve the purpose, the utility model adopts the following technical proposal:

a surface treatment apparatus includes a wet blasting machine;

the wet sand blasting machine comprises a sand storage hopper, an air injection device and a sand outlet pipe, wherein the air injection device is used for injecting air into the sand storage hopper to stir sand grains, the sand outlet pipe is communicated with the sand storage hopper, a sand blasting pump is arranged on the sand outlet pipe, and a detection device for detecting the water-sand mixing ratio is arranged at the outlet end of the sand blasting pump;

the detection device is electrically connected with the air injection device and used for controlling the air injection amount of the air injection device according to the detected water-sand mixing ratio so as to ensure that the water-sand mixing ratio of the mixture sprayed by the sand injection pump is maintained within a set range.

Optionally, the air injection device comprises a first air injection module for injecting air to the sand outlet pipe, and the first air injection module is located on one side of the bottom of the pipe orifice of the sand outlet pipe extending into the sand storage hopper.

Optionally, the air injection device further comprises a plurality of second air injection modules surrounding the first air injection module, the air injection direction of the first air injection module faces upwards vertically, and the air injection direction of the second air injection modules is inclined to the air injection direction of the first air injection module.

Optionally, the surface treatment equipment further comprises a water supply device for supplying water to the sand storage hopper; the water supply device comprises a water tank, a water delivery pipe and a water pump for supplying water to the water tank;

the two ends of the water conveying pipe are respectively communicated with the water tank and the sand storage hopper, a water level meter is further arranged in the water tank, and the water level meter is electrically connected with the water pump so that the water level in the water tank is maintained within a set height range.

Optionally, the surface treatment equipment further comprises a protective box, a material conveying device arranged in the protective box and a sand blasting head arranged in the protective box, wherein the outlet end of the sand blasting pump is communicated with the sand blasting head;

the conveying device is erected on one side of the top of the sand storage hopper, the sand blasting head is located on one side of the top of the conveying device, the opening of the sand storage hopper faces towards the sand blasting head, and the sand blasting direction of the sand blasting head faces towards the sand storage hopper.

Optionally, the protection box is sequentially divided into a sand blasting cavity, a water washing cavity and a drying cavity along the conveying direction of the material conveying device, the sand blasting head is arranged in the sand blasting cavity, the sand blasting cavity and the water washing cavity are mutually separated, and the water washing cavity and the drying cavity are mutually separated;

a plurality of cleaning spray heads are arranged in the water washing cavity, and a plurality of hot air spray heads are arranged in the drying cavity.

Optionally, the surface treatment equipment further comprises a demisting device which is arranged on the protective box and communicated with the sand blasting cavity;

the demisting device comprises a mounting shell, a water-absorbing sponge arranged in the mounting shell and an extrusion device for circularly extruding the water-absorbing sponge, the mounting shell is also provided with an air extraction device, and an air extraction opening of the air extraction device is arranged on one side of the water-absorbing sponge, which is far away from the sand-blasting cavity;

and a water outlet pipe is arranged at one end of the mounting shell, which is far away from the sand blasting cavity.

Optionally, the extrusion device comprises an extrusion rod and a telescopic cylinder for driving the extrusion rod to reciprocate, and two opposite sides of the extrusion rod are provided with the water-absorbing sponge respectively;

the installation shell is provided with an airflow channel, the two water absorption sponges and the extrusion rod shield the airflow channel, and airflow can pass through the water absorption sponges.

Optionally, an included angle formed by the air injection direction of the first air injection module and the air injection direction of the second air injection module is 45 degrees; the air injection directions of two adjacent second air injection modules are different.

Optionally, the surface treatment equipment further comprises a control device electrically connected with the first gas injection module and the second gas injection module respectively;

the first air injection module and the second air injection module inject air in turn, and when the first air injection module injects air, the second air injection module stops injecting air; and when the second air injection module injects air, the first air injection module stops injecting air.

Compared with the prior art, the utility model discloses following beneficial effect has:

in the embodiment, the air injection amount of the air injection device is controlled by the detection device, so that the sand-water mixing ratio of materials in the hopper can be well controlled, the sand-water mixing ratio is in a set range suitable for wet sand blasting, the sand blasting effect can be effectively improved, manual stirring is not needed by the surface treatment equipment in the embodiment, and the labor intensity of workers is greatly reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.

The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the achievable purpose.

Fig. 1 is a schematic perspective view of a surface treatment apparatus provided by an embodiment of the present invention;

fig. 2 is a schematic view of a three-dimensional structure of a surface treatment apparatus in another view direction according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a surface treatment apparatus according to an embodiment of the present invention when a box board of a partial protection box is hidden;

fig. 4 is a schematic three-dimensional structure diagram of the sand storage hopper, the sand blasting pump, the air injection device and the detection device provided by the embodiment of the present invention;

fig. 5 is a schematic perspective view of a surface treatment apparatus including a water supply device according to an embodiment of the present invention;

FIG. 6 is a schematic cross-sectional view of the surface treating apparatus of FIG. 5;

fig. 7 is a schematic view of an installation structure of an air injection device and a sand storage hopper provided by an embodiment of the present invention;

fig. 8 is a schematic view of a three-dimensional structure of the air injection device and the sand storage hopper provided by the embodiment of the present invention in another downward direction;

fig. 9 is a schematic perspective view of a defogging device according to an embodiment of the present invention.

Illustration of the drawings: 11. a sand storage hopper; 12. an air injection device; 121. a first gas injection module; 122. a second gas injection module; 13. a sand outlet pipe; 14. a sand blasting pump; 15. a detection device; 16. a sand blasting head; 2. a water supply device; 21. a water tank; 22. a water delivery pipe; 23. a water pump; 3. a defogging device; 31. mounting a shell; 32. a water-absorbing sponge; 33. an extrusion device; 331. an extrusion stem; 332. a telescopic cylinder; 34. an air extraction device; 35. a water outlet pipe; 100. a protective box; 101. a feeding device; 102. a sand blasting cavity; 103. a water washing cavity; 104. and a drying cavity.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

The embodiment of the utility model provides a surface treatment equipment stirs the water and the sand grain of storing up in the sand hopper 11 through air jet system 12 to can effectively reduce workman's intensity of labour. In addition, by providing the detection device 15 to perform feedback adjustment on the air injection amount of the air injection device 12, the water-sand mixing ratio of the material injected by the sand injection pump 14 can be maintained within a set range, and the treatment efficiency and treatment effect of the wet sand blasting treatment can be effectively maintained.

Referring to fig. 1 to 9, the surface treatment apparatus includes a wet blasting machine;

the wet sand blasting machine comprises a sand storage hopper 11, an air injection device 12 for injecting air to sand grains in the sand storage hopper 11 to stir the sand grains and a sand outlet pipe 13 communicated with the sand storage hopper 11, wherein a sand blasting pump 14 is arranged on the sand outlet pipe 13, and a detection device 15 for detecting the water-sand mixing ratio is arranged at the outlet end of the sand blasting pump 14;

the detection device 15 is electrically connected with the air injection device 12, and the detection device 15 is used for controlling the air injection amount of the air injection device 12 according to the detected water-sand mixing ratio so as to ensure that the water-sand mixing ratio of the mixture injected by the sand injection pump 14 is maintained within a set range.

Specifically, in the embodiment, the detection device 15 is arranged to perform feedback adjustment on the air injection amount of the air injection device 12, so that the air injected by the air injection device 12 can well stir the water and sand grains in the sand storage hopper 11, and the more the air injection amount is, the less the sand grains sink, so that the content of the water entering the sand injection pump 14 can be increased, the water-sand mixing ratio of the mixture injected from the outlet end of the sand injection pump 14 can be well maintained, and the treatment effect of wet sand blasting can be well maintained.

It is worth mentioning that, this application scheme adopts the jet-propelled stirring, can effectively reduce organism volume, reduces equipment area. In addition, the worker does not need to stop to stir the water and the sand in the sand storage hopper 11, and the labor intensity of the worker is greatly reduced.

Optionally, the air injection device 12 includes a first air injection module 121 for injecting air to the sand outlet pipe 13, and the first air injection module 121 is located on one side of the bottom of the pipe orifice of the sand outlet pipe 13 extending into the sand storage hopper 11.

Specifically, the ejected gas rises upwards, so that sand grains are driven to move upwards, and water and the sand grains are mixed and stirred uniformly.

Optionally, the air injection device 12 further includes a plurality of second air injection modules 122 disposed around the first air injection module 121, the air injection direction of the first air injection module 121 faces vertically upward, and the air injection direction of the second air injection modules 122 is inclined to the air injection direction of the first air injection module 121.

The air injection directions of the first air injection module 121 and the second air injection module 122 are different, so that sand grains in all directions can be stirred, and the sand grains are prevented from sinking in corners. In addition, the air injection directions of the first air injection module 121 and the second air injection module 122 are different, so that the stirring efficiency can be effectively improved, and the sand and water can be uniformly mixed at a higher speed.

Optionally, the surface treatment apparatus further comprises a water supply device 2 for supplying water to the sand storage hopper 11; the water supply device 2 includes a water tank 21, a water delivery pipe 22, and a water pump 23 for supplying water to the water tank 21;

the two ends of the water pipe 22 are respectively communicated with the water tank 21 and the sand storage hopper 11, the water tank 21 is further provided with a water level meter, and the water level meter is electrically connected with the water pump 23 so that the water level in the water tank 21 is maintained within a set height range.

Specifically, the water level in the water tank 21 is maintained within a set height range, so that the water level in the sand storage hopper 11 is maintained within the set height range; that is, in fact, the water level in the water tank 21 and the water level in the sand storage hopper 11 are kept consistent, and at this time, the amount of sand entering the sand blasting pump can be adjusted only by controlling the amount of air blasting. It should be noted that the sand grains have a tendency to settle, and the water-sand mixing ratio at the top and bottom of the sand storage hopper 11 is actually different.

Optionally, the surface treatment equipment further comprises a protective box 100, a material conveying device 101 arranged in the protective box 100 and a sand blasting head 16 arranged in the protective box 100, wherein the outlet end of the sand blasting pump 14 is communicated with the sand blasting head 16;

the material conveying device 101 is erected on one side of the top of the sand storage hopper 11, the sand blasting head 16 is positioned on one side of the top of the material conveying device 101, the opening of the sand storage hopper 11 faces the sand blasting head 16, and the sand blasting direction of the sand blasting head 16 faces the sand storage hopper 11.

Specifically, the blast head 16 is returned to the sand storage hopper 11 for recycling.

Optionally, the protection box 100 is sequentially divided into a sand blasting chamber 102, a water washing chamber 103 and a drying chamber 104 along the conveying direction of the material conveying device 101, the sand blasting head 16 is arranged in the sand blasting chamber 102, the sand blasting chamber 102 and the water washing chamber 103 are separated from each other, and the water washing chamber 103 and the drying chamber 104 are separated from each other;

a plurality of cleaning nozzles are arranged in the water washing cavity 103, and a plurality of hot air nozzles are arranged in the drying cavity 104.

It is worth to be noted that the product moves along the conveying direction of the material conveying device 101, sequentially passes through the sand blasting chamber 102, the water washing chamber 103 and the drying chamber 104, is subjected to sand blasting in the sand blasting chamber 102, is cleaned in the water washing chamber 103, and is dried and taken out of the box.

Optionally, the surface treatment equipment further comprises a demisting device 3 which is arranged on the protective box 100 and communicated with the sand blasting cavity 102;

the demisting device 3 comprises a mounting shell 31, a water-absorbing sponge 32 arranged in the mounting shell 31 and an extruding device 33 for circularly extruding the water-absorbing sponge 32, the mounting shell 31 is also provided with an air extracting device 34, and an extracting opening of the air extracting device 34 is arranged on one side of the water-absorbing sponge 32 far away from the sand blasting cavity 102;

an outlet pipe 35 is arranged at one end of the mounting shell 31 far away from the sand blasting cavity 102.

In particular, water mist is generated when the sand blasting is performed, and thus it is necessary to treat the water mist so that workers can better observe the actual treatment situation.

Optionally, the squeezing device 33 includes a squeezing rod 331 and a telescopic cylinder 332 for driving the squeezing rod 331 to reciprocate, and two opposite sides of the squeezing rod 331 are provided with a piece of absorbent sponge 32;

the mounting case 31 is formed with an air flow passage, which is shielded by the two pieces of water absorbing sponge 32 and the pressing bar 331, and an air flow can pass through the water absorbing sponge 32.

Specifically, referring to fig. 9, the telescopic cylinder 332 drives the extrusion rod 331 to move left and right, when the extrusion rod 331 moves left, the left absorbent sponge 32 is extruded, and the water in the left absorbent sponge 32 is extruded, and when the extrusion rod 331 moves right, the right absorbent sponge 32 is extruded, and the water in the right absorbent sponge 32 is extruded. It should be noted that, when the water mist passes through the water absorbing sponge 32, most of the water in the water mist is absorbed by the water absorbing sponge 32.

Optionally, an included angle formed by the air injection direction of the first air injection module 121 and the air injection direction of the second air injection module 122 is 45 °; the air injection directions of two adjacent second air injection modules 122 are different.

Optionally, the surface treatment equipment further comprises a control device electrically connected to the first gas injection module 121 and the second gas injection module 122, respectively;

the first air injection module 121 and the second air injection module 122 inject air in turn, and when the first air injection module 121 injects air, the second air injection module 122 stops injecting air; when the second gas injection module 122 injects gas, the first gas injection module 121 stops injecting gas.

It is worth explaining, on the one hand, the liquid circulation in different directions can be formed, so that the water sand can be uniformly stirred, and the saving of the air injection amount is facilitated.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A surface treatment apparatus, comprising a wet blasting machine;

the wet sand blasting machine comprises a sand storage hopper (11), an air injection device (12) used for injecting air into the sand storage hopper (11) to stir sand grains and a sand outlet pipe (13) communicated with the sand storage hopper (11), wherein a sand blasting pump (14) is arranged on the sand outlet pipe (13), and a detection device (15) used for detecting a water-sand mixing ratio is arranged at an outlet end of the sand blasting pump (14);

the detection device (15) is electrically connected with the air injection device (12), and the detection device (15) is used for controlling the air injection amount of the air injection device (12) according to the detected water-sand mixing ratio so as to ensure that the water-sand mixing ratio of the mixture sprayed by the sand injection pump (14) is maintained within a set range.

2. The surface treatment apparatus according to claim 1, wherein the air injection device (12) comprises a first air injection module (121) for injecting air to the sand outlet pipe (13), and the first air injection module (121) is positioned on the bottom side of the nozzle of the sand outlet pipe (13) extending into the sand storage hopper (11).

3. The surface treatment apparatus according to claim 2, wherein the air injection device (12) further comprises a plurality of second air injection modules (122) arranged around the first air injection module (121), the air injection direction of the first air injection module (121) is vertically upward, and the air injection direction of the second air injection modules (122) is oblique to the air injection direction of the first air injection module (121).

4. A surface treatment apparatus according to claim 1, further comprising a water supply device (2) for supplying water to the sand storage hopper (11); the water supply device (2) comprises a water tank (21), a water delivery pipe (22) and a water pump (23) for supplying water to the water tank (21);

the two ends of the water conveying pipe (22) are respectively communicated with the water tank (21) and the sand storage hopper (11), a water level meter is further arranged in the water tank (21), and the water level meter is electrically connected with the water pump (23) so that the water level in the water tank (21) is maintained within a set height range.

5. The surface treatment equipment according to claim 1, further comprising a protective box (100), a material conveying device (101) arranged in the protective box (100) and a sand blasting head (16) arranged in the protective box (100), wherein the outlet end of the sand blasting pump (14) is communicated with the sand blasting head (16);

feeding device (101) erect in top one side of sand storage hopper (11), just sand blasting head (16) are located top one side of feeding device (101), the opening orientation of sand storage hopper (11) sand blasting head (16), just the sandblast direction orientation of sand blasting head (16) sand storage hopper (11).

6. The surface treatment equipment according to claim 5, wherein the protective box (100) is sequentially divided into a sand blasting chamber (102), a water washing chamber (103) and a drying chamber (104) along the conveying direction of the material conveying device (101), the sand blasting head (16) is arranged in the sand blasting chamber (102), the sand blasting chamber (102) and the water washing chamber (103) are separated from each other, and the water washing chamber (103) and the drying chamber (104) are separated from each other;

a plurality of cleaning spray heads are arranged in the water washing cavity (103), and a plurality of hot air spray heads are arranged in the drying cavity (104).

7. A surface treatment apparatus according to claim 6, further comprising a demisting device (3) mounted on the shielding box (100) and communicating with the blasting chamber (102);

the demisting device (3) comprises a mounting shell (31), a water absorption sponge (32) arranged in the mounting shell (31) and an extrusion device (33) used for circularly extruding the water absorption sponge (32), the mounting shell (31) is also provided with an air extraction device (34), and an air extraction opening of the air extraction device (34) is arranged on one side, far away from the sand blasting cavity (102), of the water absorption sponge (32);

and a water outlet pipe (35) is arranged at one end, far away from the sand blasting cavity (102), of the mounting shell (31).

8. The surface treatment device according to claim 7, wherein the extrusion device (33) comprises an extrusion rod (331) and a telescopic cylinder (332) for driving the extrusion rod (331) to reciprocate, and two opposite sides of the extrusion rod (331) are provided with a piece of water absorption sponge (32);

the installation shell (31) is provided with an airflow channel, the two water-absorbing sponges (32) and the extrusion rod (331) shield the airflow channel, and airflow can pass through the water-absorbing sponges (32).

9. The surface treatment apparatus according to claim 3, wherein the air injection direction of the first air injection module (121) and the air injection direction of the second air injection module (122) form an angle of 45 °; the air injection directions of two adjacent second air injection modules (122) are different.

10. The surface treatment apparatus according to claim 9, further comprising a control device electrically connecting the first gas injection module (121) and the second gas injection module (122), respectively;

the first air injection module (121) and the second air injection module (122) inject air in turn, and when the first air injection module (121) injects air, the second air injection module (122) stops injecting air; when the second air injection module (122) injects air, the first air injection module (121) stops injecting air.