CN215659762U

CN215659762U - Sand blasting machine and sand blasting system

Info

Publication number: CN215659762U
Application number: CN202121936002.3U
Authority: CN
Inventors: 沈冬冬; 王汉文; 倪伶俐; 周二为; 葛彬; 白伟
Original assignee: Gree Electric Appliances Inc of Zhuhai; Gree Tosot Suqian Home Appliances Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Gree Tosot Suqian Home Appliances Co Ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-01-28
Anticipated expiration: 2031-08-18

Abstract

The utility model provides a sand blasting machine and a sand blasting system, wherein in the working process, sand particles needing to be screened firstly act on a screen assembly, meanwhile, a screen has a certain mesh number, the mesh number of undersize materials cannot meet the requirement of sand blasting through the screen assembly, and at the moment, the undersize materials need to be moved out to the outside. The mesh number of the oversize material still meets the requirement, and the oversize material is conveyed to a sand blasting position and subjected to sand blasting operation again. The oversize itself can meet the mesh requirements, so that the blasting operation can be carried out again. Specifically, the oversize material falls down to a blasting position through return holes on both sides of the screen, and then the blasting operation is performed again at the blasting position. Can avoid adopting manual mode again to carry out the screening operation to the grains of sand, and then the screening efficiency who improves effectively. Simultaneously, because casing self is the setting of closure form, can avoid appearing the circumstances such as raise dust in the screening process, consequently can ensure operating personnel's health effectively.

Description

Sand blasting machine and sand blasting system

Technical Field

The utility model relates to the technical field of screening equipment, in particular to a sand blasting machine and a sand blasting system.

Background

Screening apparatuses are widely used in many different fields of industrial production. In particular, in the fields of construction, casting, surface treatment and the like, screening operations of sand grains are often involved.

In the prior art, when an electric cooker is produced, sand blasting operation needs to be carried out on an inner pot of the electric cooker, the sand blasting operation is mainly carried out in a sand blasting machine, after production is carried out for a certain time, sand grains are inevitably abraded due to mutual collision between the sand grains and the inner pot, and the number of the sand grains per se is reduced, so that the electric cooker cannot be normally used. Therefore, in the prior art, sand grains smaller than the rated mesh number need to be screened, sand grains with qualified mesh number are left, and unqualified sand grains are removed.

In the prior art, the screening operation of unqualified sand grains in the sand blasting machine is usually and directly screened by hands, the manual screening mode consumes manpower very much, and in the operation process, operators are easy to be dull and dry, so that the production efficiency is reduced. Meanwhile, dust is easily generated in the manual screening process, and adverse effects are caused on the health of operators.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to overcome the defects that the sand grains are screened by a manual mode, the production efficiency is low and the operator is easily injured in the prior art.

To this end, the present invention provides a blasting machine comprising: a housing having an accommodating chamber therein; the sand blasting position is arranged in the accommodating cavity and is suitable for performing sand blasting operation on the sand blasting piece inside the accommodating cavity, and a sand blasting discharge hole is formed in the sand blasting position; a screen assembly disposed above the blast location, the screen assembly comprising: a main body on which a sieve is disposed; the material returning holes are arranged on two sides of the sieve and communicated with the sand blasting phase; the sand blasting machine further comprises: the discharging structure is correspondingly arranged below the sieve and is suitable for discharging undersize of the sieve to the outer side of the shell; sand grain hoist mechanism, sand grain hoist mechanism includes feed end and discharge end, the feed end is located the below of sandblast discharge gate, the discharge end is located screen assembly's top.

The utility model provides a sand blasting machine, the screen assembly further comprises: the first gathering part is arranged below the sieve and is provided with a screen assembly outlet.

The sand blasting machine provided by the utility model is characterized in that the first gathering part comprises two inclined plates which are oppositely arranged, and the outlet of the screen assembly is formed between the two inclined plates.

The utility model provides a sand blasting machine, wherein the material discharging structure comprises: the first discharging pipe is provided with an opening, and the opening is arranged towards the outlet of the screen assembly; the first spiral rod is arranged in the first discharging pipe.

According to the sand blasting machine provided by the utility model, the main body of the screen assembly is provided with the material returning hole, and the material returning hole is positioned at the outer sides of the screen and the first gathering part.

The sand blasting machine provided by the utility model further comprises: and the second gathering part is arranged below the sand blasting position and is positioned above the feeding end of the sand grain lifting mechanism.

The sand blasting machine provided by the utility model is characterized in that the sand grain lifting mechanism comprises: the horizontal pushing mechanism is arranged below the second gathering part and is provided with a feeding end; and the vertical pushing mechanism is connected with the horizontal pushing structure and is provided with a discharging end.

The utility model provides a sand blasting machine, wherein the horizontal pushing mechanism comprises: the second discharging pipe is provided with an opening, and the opening is arranged towards the second gathering part; a second screw rod arranged in the second discharge pipe; the vertical pushing structure comprises: and the third material discharging pipe is communicated with the second material discharging pipe, and a third screw rod is arranged in the third material discharging pipe.

The present invention provides a blasting system comprising: according to the sand blasting machine provided by the utility model, along the flow direction of sand particles, the mesh number of the sieve positioned at the upstream is smaller than that of the sieve positioned at the downstream.

The technical scheme of the utility model has the following advantages:

1. the utility model provides a sand blasting machine, comprising: a housing having an accommodating chamber therein; the sand blasting position is arranged in the accommodating cavity and is suitable for performing sand blasting operation on the sand blasting piece inside the accommodating cavity, and a sand blasting discharge hole is formed in the sand blasting position; a screen assembly disposed above the blast location, the screen assembly comprising: a main body on which a sieve is disposed; the material returning holes are arranged on two sides of the sieve and communicated with the sand blasting phase; the sand blasting machine further comprises: the discharging structure is correspondingly arranged below the sieve and is suitable for discharging undersize of the sieve to the outer side of the shell; sand grain hoist mechanism, sand grain hoist mechanism includes feed end and discharge end, the feed end is located the below of sandblast discharge gate, the discharge end is located screen assembly's top.

According to the sand blasting machine provided by the utility model, in the working process, sand particles needing to be screened firstly act on the screen assembly, meanwhile, the screen has a certain mesh number, and the mesh number of undersize materials cannot meet the requirement of sand blasting through the screen assembly, and at the moment, the undersize materials need to be moved out to the outside. The mesh number of the oversize material still meets the requirement, and the oversize material is conveyed to a sand blasting position and subjected to sand blasting operation again. The oversize itself can meet the mesh requirements, so that the blasting operation can be carried out again. Specifically, the oversize material falls down to a blasting position through return holes on both sides of the screen, and then the blasting operation is performed again at the blasting position.

Therefore, through the structure setting mode, the sand grains can be prevented from being screened again in a manual mode, and the screening efficiency is effectively improved. Simultaneously, because casing self is the setting of closure form, can avoid appearing the circumstances such as raise dust in the screening process, consequently can ensure operating personnel's health effectively.

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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural diagram of a blasting machine provided by the present invention;

FIG. 2 is a schematic structural diagram of a sand lifting structure of the blasting machine of FIG. 1;

FIG. 3 is an exploded view of the assembly of a screen assembly and a discharge structure provided by the present invention;

FIG. 4 is an exploded view of a sander provided by the present invention;

FIG. 5 is another exploded view of the sander provided by the present invention;

fig. 6 is a schematic structural diagram of a blasting system provided by the present invention.

Description of reference numerals in the examples:

1. a housing; 2. sand blasting position; 3. a screen assembly; 31. a main body; 32. a material returning hole; 33. a first gathering portion; 34. sieving; 4. a sand lifting structure; 41. a horizontal pushing mechanism; 411. a feeding end; 412. a second discharge pipe; 413. a second screw rod; 42. a vertical pushing mechanism; 421. a discharge end; 422. a third discharge pipe; 424. a top discharge pipe; 5. a discharge structure; 51. a first discharging pipe; 52. a first screw rod; 6. a second gathering portion; 7. and (7) forming a blank board.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Example 1

The present embodiment provides a sand blasting machine, which may be a dry sand blasting machine, as shown in fig. 1 to 5, and the dry sand blasting machine may be a suction type sand blasting machine or a press type sand blasting machine. The hierarchical screening apparatus includes:

a housing 1, inside which a containing cavity is arranged;

specifically, a frame is provided on the housing 1, and the skeleton of the entire housing 1 is formed by the frame. At the same time, the inside of the casing 1 is subjected to processes such as blasting and re-screening of sand grains.

The sand blasting position 2 is arranged in the accommodating cavity and is suitable for performing sand blasting operation on an internal part with sand blasting parts, and a sand blasting discharge hole is formed in the sand blasting position 2;

specifically, the sand blasting station 2 is disposed in an area of the accommodating chamber near the center, and may be disposed on the upper side or on the lower side as long as stable sand blasting operation can be achieved. Meanwhile, the member to be blasted is not part of the embodiment, and is carried out when necessary

In this embodiment, the horizontal support plate is arranged inside the accommodating cavity, the sand blasting position 2 is formed by the horizontal support plate, the pressure tank, the pipeline system and the like are arranged inside the sand blasting position 2, the specific structure arranged in the sand blasting position 2 adopts a conventional structure in the prior art, and excessive limitation is not performed in this embodiment. Meanwhile, in the blasting operation, the member to be blasted is first put into the blasting station 2, and then a specific blasting operation is performed.

A screen assembly 3 disposed above the blasting station 2, the screen assembly 3 including: a main body 31 on which a screen 34 is provided; the material returning holes 32 are arranged on two sides of the screen 34, and the material returning holes 32 are communicated with the sand blasting positions 2;

specifically, the main body 31 is mounted on the inner wall of the housing 1, the material of the main body 31 is not limited, and when the main body 31 is made of plastic, the main body can be fixed in a snap-fit manner. When the main body 31 is made of metal, it can be fixed by welding.

In the working process, the sand needing to be screened firstly acts on the screen assembly 3, meanwhile, the screen 34 has a certain mesh number, the mesh number of the undersize materials cannot meet the requirement of sand blasting through the screen assembly 3, and the undersize materials need to be moved out to the outside at the moment. The mesh number of the oversize material still meets the requirement, and the oversize material is conveyed to the sand blasting position 2, and sand blasting operation is carried out on the sand blasting part again. The oversize itself can meet the mesh requirements, so that the blasting operation can be carried out again. Specifically, the oversize material falls down into the blasting station 2 through the return holes 32 on both sides of the screen 34, and then the blasting operation is performed again at the blasting station 2. In this embodiment, the mesh number of the screen 34 may be 80 meshes, 120 meshes, or the like.

The sand blasting machine further comprises: the sand lifting mechanism comprises a feeding end 411 and a discharging end 421, the feeding end 411 is positioned below the sand blasting discharging port, and the discharging end 421 is positioned above the screen assembly 3;

specifically, after the sand blasting operation is completed by the sand blasting station 2, sand particles with qualified mesh number and unqualified mesh number (lower than the qualified mesh number) flow out through the sand blasting discharge port and act on the feed end 411 of the sand particle lifting mechanism 4, and the sand particle lifting mechanism is used for lifting the sand particles falling from the sand blasting station 2 to the position above the screen assembly 3 again, so that the screen assembly 3 can perform a new screening operation.

In this embodiment, start the operation of sand blasting machine, the grit of having spouted the product falls into the sand blasting machine bottom by the influence of gravity, and sand grain lifting structure 4 will be located the sand grain of sand blasting machine bottom and introduce and promote through feed end 411, and the sand grain after the promotion flows out from sand grain lifting structure 4's discharge end 421, and the grit falls behind naturally by the influence of gravity, drops on sieve 34, begins to carry out the sand material screening. The sand grains with qualified mesh number return to the sand blasting position 2 through the feed back hole to carry out a new sand blasting. The sand grains with unqualified meshes fall through the sieve 34 due to the low meshes and move to the discharging structure 5, and the discharging structure 5 drives the unqualified sand grains to move and discharge to the outside of the shell 1.

The sand blasting machine provided by the embodiment, the screen assembly 3 further comprises: and the first gathering part 33 is arranged below the screen 34 and is provided with an outlet of the screen assembly 3.

Specifically, the shape of the first gathering part 33 itself is not limited, and it may adopt a vortex-shaped configuration, at this time, the center of the vortex-shaped structure is provided with the outlet of the screen assembly 3, and the outlet of the screen assembly 3 is a sinking configuration, so that the screen underflow can be conveniently gathered.

In a preferred embodiment, as shown in fig. 3, the first gathering part 33 includes two inclined plates disposed oppositely, and an outlet of the screen assembly 3 is formed between the two inclined plates.

Specifically, the end portions of the two inclined plates close to each other extend in the direction away from the screen 34, and undersize passing through the screen 34 is gathered in the center direction under the guidance of the two inclined plates.

Further, in this embodiment, the screen 34 is arranged to be convex at the center, so that the sand particles falling on the screen 34 continuously flow to the positions of the feed back holes 32 at both sides. As a variant, it can be a conical arrangement, but also a roof-ridge arrangement, as long as the center can be raised.

Specifically, the screen assembly 3 itself includes a main body 31, the main body 31 itself forms a frame for supporting the screen 34, and as shown in fig. 3, return holes 32 are provided on the main body 31 of the screen assembly 3 at positions on both sides of the screen 34. Meanwhile, in order to ensure that oversize materials can fully flow to the sand blasting position 2, the material returning hole 32 is positioned on the outer side of the first gathering part 33, and through the arrangement mode, sand left in the material returning hole 32 cannot enter the first gathering part 33, so that the oversize materials and undersize materials can be effectively separated, and mixing is avoided.

And the discharge structure 5 is correspondingly arranged below the screen 34 and is suitable for discharging undersize of the screen 34. In this embodiment, the discharging structure 5 is provided with a dust bag, and when the undersize is filled with the dust bag, the dust bag can be manually transferred.

Specifically, the specific structure of the discharging structure 5 is not limited as long as the material conveying operation can be realized. As an embodiment, the discharging structure 5 may be a conveyor belt, and correspondingly, scrapers may be disposed on the conveyor belt, and sand falling onto the conveyor belt will act between two adjacent scrapers and be driven by the scrapers. In this embodiment, as another embodiment, the discharging structure 5 includes: a first discharge pipe 51, on which an opening is arranged, the opening being arranged towards the outlet of the screen assembly 3, specifically, as shown in fig. 2, the opening itself is arranged upwards; a first screw rod 52 disposed in the first discharge pipe 51. Meanwhile, a discharging motor is arranged at one section of the first discharging pipe 51, the discharging motor is started to drive the first screw rod 52 to rotate, and the material on the first screw rod 52 is driven to linearly move.

Correspondingly, a gap is arranged on the shell 1 corresponding to the outlet of the first discharging pipe 51, a blank plate is arranged at the gap, and when discharging is needed, the blank plate is removed from the shell 1 for the material in the first discharging pipe 51 to flow out; when discharge is not required, the closure panel is replaced on the housing 1.

In this embodiment, in order to fully gather the sand grains falling from the material returning hole 32 for later transfer, the sand blasting machine further includes: and the second gathering part 6 is arranged below the sand blasting position 2 and is positioned above the feeding end 411 of the sand grain lifting mechanism.

Specifically, the shape of the second gathered portion 6 itself is not limited. It can adopt the vortex form setting, and the center of vortex form structure is provided with the export this moment, and export self is the setting of sinking form to make things convenient for the oversize thing to gather. In a preferred embodiment, as shown in fig. 5, the second gathering part 6 comprises two inclined plates which are oppositely arranged, and an outlet formed between the two inclined plates is arranged above the feeding end 411 of the sand lifting mechanism.

Specifically, in this embodiment, the sand lifting mechanism includes: the horizontal pushing mechanism 41 is arranged below the second gathering part 6, and is provided with a feeding end 411; and the vertical pushing mechanism 42 is connected with the horizontal pushing structure, and is provided with a discharging end 421.

The concrete structures of the horizontal pushing structure and the vertical pushing structure are not limited, as an implementation mode, the horizontal pushing structure and the vertical pushing structure both adopt a conveyor belt structure, a baffle is arranged on the conveyor belt structure, and sand grains are pushed through the baffle, so that the sand grains are transferred along the horizontal direction and the vertical direction.

In a preferred embodiment, in this embodiment, the horizontal pushing mechanism 41 includes: a second discharge pipe 412 having an opening formed therein, the opening being disposed toward the second gathering portion 6, specifically, as shown in fig. 2, the opening itself being disposed upward, so as to receive dropped oversize material; a second screw 413 disposed in the second discharge pipe 412;

the vertical pushing structure comprises: and a third material discharge pipe 422 communicated with the second material discharge pipe 412, wherein a third screw rod is arranged in the third material discharge pipe 422.

Specifically, there is a certain crossing portion between the second screw 413 and the third screw, so that the sand flowing out through the second discharging pipe 412 smoothly flows onto the third screw, and is transferred upward. Specifically, the second screw rod 413 and the third screw rod are respectively provided with a pushing motor, and meanwhile, as shown in fig. 5, a blank plate 7 is arranged at the bottom of the third discharging pipe 422, so that sand entering the third discharging pipe 422 is prevented from falling. Meanwhile, in order to ensure that the sand particles flowing out through the vertical pushing structure fully act on the screen 34, a top discharging pipe 424 is arranged on the third discharging pipe 422, and the top discharging pipe 424 has a certain inclination angle.

Specifically, as shown in fig. 5, the oversize material flows out through the second gathering portion 6, and is gathered on the horizontal pushing mechanism 41 through the gathering of the second gathering portion 6, the horizontal pushing mechanism 41 pushes the sand horizontally forward through the rotation of the second screw rod 413, and then the sand is lifted vertically to the top discharging pipe 424 of the vertical pushing mechanism in cooperation with the rotation of the third screw rod of the vertical pushing mechanism.

Example 2

The present embodiment provides a blasting system, as shown in fig. 6, including:

in the sand blasting machine provided in example 1, the mesh number of the screen of the sand blasting machine located upstream is smaller than that of the screen of the sand blasting machine located downstream in the flow direction of the sand grains, as shown by arrow a in fig. 6.

Specifically, as shown in fig. 6, in the flow direction of the sand particles, the sand blaster located upstream is a first sand blaster whose mesh number is 80, the sand blaster located downstream is a second sand blaster whose mesh number is 100.

The sand grains with the mesh number smaller than 80 flowing out of the first sand blasting machine enter the second sand blasting machine, after entering the second sand blasting machine, the sand grains act on the screen assembly through the sand grain lifting mechanism, after the screen assembly is screened, the sand grains with the mesh number smaller than 100 become undersize materials, and are discharged through the discharging structure, and at the moment, the mesh number of the undersize materials can be 120 meshes. And the oversize material with qualified mesh number falls to a sand blasting position of a second sand blasting machine through the backflow hole, and a new round of sand blasting operation is carried out on the internal sand blasting piece. Through the arrangement mode, the utilization effect of sand particles can be effectively improved.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.

Claims

1. A blasting machine, comprising:

a housing having an accommodating chamber therein;

the sand blasting position is arranged in the accommodating cavity and is suitable for performing sand blasting operation on the sand blasting piece inside the accommodating cavity, and a sand blasting discharge hole is formed in the sand blasting position;

a screen assembly disposed above the blast location, the screen assembly comprising:

a main body on which a sieve is disposed;

the material returning holes are arranged on two sides of the sieve and communicated with the sand blasting phase;

the sand blasting machine further comprises:

the discharging structure is correspondingly arranged below the sieve and is suitable for discharging undersize of the sieve to the outer side of the shell;

sand grain hoist mechanism, sand grain hoist mechanism includes feed end and discharge end, the feed end is located the below of sandblast discharge gate, the discharge end is located screen assembly's top.

2. The sander of claim 1, wherein the screen assembly further comprises: the first gathering part is arranged below the sieve and is provided with a screen assembly outlet.

3. The sander of claim 2, wherein the first gathering portion comprises two oppositely disposed inclined plates forming the screen assembly outlet therebetween.

4. A blasting machine according to claim 2 or claim 3 wherein the discharge arrangement comprises:

the first discharging pipe is provided with an opening, and the opening is arranged towards the outlet of the screen assembly;

the first spiral rod is arranged in the first discharging pipe.

5. A blasting machine according to claim 2 or claim 3 wherein the loop material openings are located outside the screen and the first gathering portion.

6. The sander of claim 5, further comprising: and the second gathering part is arranged below the sand blasting position and is positioned above the feeding end of the sand grain lifting mechanism.

7. The sander of claim 6, wherein the sand lifting mechanism comprises:

the horizontal pushing mechanism is arranged below the second gathering part and is provided with a feeding end;

and the vertical pushing mechanism is connected with the horizontal pushing structure and is provided with a discharging end.

8. The sander of claim 7, wherein the horizontal pushing mechanism comprises: the second discharging pipe is provided with an opening, and the opening is arranged towards the second gathering part; a second screw rod arranged in the second discharge pipe; the vertical pushing structure comprises: and the third material discharging pipe is communicated with the second material discharging pipe, and a third screw rod is arranged in the third material discharging pipe.

9. A blasting system, comprising:

a plurality of sand blasters as claimed in any of claims 1-8, wherein the mesh size of the upstream screen is smaller than the mesh size of the downstream screen in the direction of flow of the sand particles.