CN219273714U - Sand screening and separating device and sand blasting machine - Google Patents

Abstract

The utility model belongs to the technical field of sand blasting equipment, and discloses a sand screening and distributing device and a sand blasting machine. The sand screening and separating device comprises a base, a rotary vibrating part, a screen part and a receiving tray, wherein the rotary vibrating part is elastically connected to the base. The screen cloth portion sets up on the portion of shaking soon, and screen cloth portion includes a plurality of screens that top-down set gradually at intervals, and the mesh of a plurality of screens reduces in proper order from top to bottom, and the portion of shaking soon can drive screen cloth portion vibration, and the sand material that awaits screening sieves through a plurality of screens in proper order from top to bottom. The receiving tray is arranged at the lower side of the screen cloth part at the lowest layer and is used for receiving sand materials sieved by the screen cloth part at the lowest layer, the receiving tray is obliquely arranged, the vibrator is arranged at the bottom side of the receiving tray, and the vibrator can drive the receiving tray to vibrate. The sand screening and distributing device improves the distributing efficiency of sand materials, and can effectively avoid the aggregation of sand materials at the bottommost layer, so that the sand materials can be rapidly discharged outside the device.

Description

Sand screening and separating device and sand blasting machine

Technical Field

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

Background

As a conventional material surface treatment device, the sand blasting equipment is widely applied to the fields of mechanical manufacture, electronic and electrical appliances, mechanical maintenance and the like. Wherein, sand materials such as brown alumina, angular steel sand that use in the sand blasting equipment can be along with the use of sand blasting machine and broken into powder constantly, and the continuous accumulation of these sand material powder can cause the sand blasting machine to go out the sand unsmooth, the uneven scheduling problem of processing article surface roughness, so sand blasting machine need carry out screening treatment to sand materials after using for a period of time.

At present, the sand screening and distributing device for screening sand materials is easy to gather sand materials, influences screening efficiency, and especially the sand materials at the bottommost layer are generally in powder form, so that the gathering property is stronger, the sand materials are not easy to discharge on a receiving tray, and even the sand screening and distributing device is blocked, so that the normal operation of the sand screening and distributing device is influenced.

Accordingly, there is a need for improvements in sand screening and dispensing apparatus and sanders to address the above issues.

Disclosure of Invention

The utility model aims to provide a sand screening and distributing device, which improves the distributing efficiency, can effectively avoid the aggregation of sand materials at the bottommost layer and enables the sand materials to be rapidly discharged outside the device.

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

screening sand feed divider includes:

a base;

the rotary vibration part is elastically connected to the base;

the screen cloth part is arranged on the rotary vibration part, the screen cloth part comprises a plurality of screen cloth which are sequentially arranged at intervals from top to bottom, meshes of the screen cloth are sequentially reduced from top to bottom, the rotary vibration part can drive the screen cloth part to vibrate, and sand materials to be screened sequentially pass through the screen cloth from top to bottom for screening;

connect the charging tray, set up in the downside of screen cloth portion of lower floor, connect the charging tray to be used for accepting through the lower floor screen cloth portion sieves the sand material that falls, connect the charging tray slope setting, the bottom side that connects the charging tray is provided with the vibrator, the vibrator can drive connect the charging tray vibration.

Alternatively, the screen portion further includes:

the baffle frame is arranged on the outer sides of the screen meshes and the receiving trays in a surrounding mode, the baffle frame is connected with the screen meshes and the receiving trays in a sealing mode, the positions, attached to the upper edges of the screen meshes and the receiving trays, of the baffle frame are provided with discharge ports, the discharge ports corresponding to the receiving trays are arranged on one side, inclined downwards, of the receiving trays, and sand materials on the screen meshes and on the receiving trays are discharged from the corresponding discharge ports.

Alternatively, the blocking frame comprises a plurality of sub frames, two adjacent sub frames are clamped with one screen, and two adjacent sub frames are connected with the screen through a clamp.

Alternatively, a sealing ring is clamped between the frame and the screen.

Alternatively, the screen portion further includes:

the upper cover is arranged at the upper end opening of the baffle frame, a feeding port is arranged on the upper cover, and sand enters the screen mesh from the feeding port.

Alternatively, the gyratory pendulum part includes:

the lower side of the vibration seat is elastically connected to the base, and the upper side of the vibration seat is connected with the screen part;

the vibration motor is arranged on the vibration seat and is used for driving the vibration seat to vibrate.

As an alternative, the gyratory pendulum part further includes:

the elastic pieces are arranged between the vibration seat and the base at intervals.

As an alternative scheme, the upper end of vibrating motor is provided with upper portion weight, vibrating motor's lower extreme is provided with the lower part weight, upper portion weight with be the contained angle setting between the lower part weight.

Alternatively, the upper weight and the lower weight are detachably connected to the output shaft of the vibration motor, and an included angle between the upper weight and the lower weight can be adjusted.

Alternatively, the screen is horizontally arranged, and an included angle between the receiving tray and the screen is set to be 10-20 degrees.

Another object of the present utility model is to provide a sandblasting machine capable of performing a rapid screening treatment of the sand material.

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

a sand blaster comprising a sand screening and distributing device as described above.

The beneficial effects are that:

according to the sand screening and distributing device, the rotary vibration part is arranged to drive the screen part to vibrate so as to screen sand materials, and the receiving tray is obliquely arranged, so that fine powder in the sand materials subjected to layer-by-layer screening has a tendency of moving to the lower side of the receiving tray, and the collected sand materials are conveniently discharged from the lower side of the receiving tray, so that the sand materials are prevented from being collected on the receiving tray. In addition, still be provided with the vibrator at the downside that connects the charging tray, further drive the vibration of receiving the charging tray through the vibrator to make sand material to the lower one side of receiving the charging tray remove more fast, be favorable to making the sand material on the receiving the charging tray discharge more fast.

According to the sand blasting machine provided by the utility model, the sand screening and distributing device is adopted, so that the sand materials can be rapidly screened, smooth sand discharge is ensured, and the surface roughness of processed objects is uniform.

Drawings

FIG. 1 is a front view of a sand screen distributing device provided by an embodiment of the present utility model;

fig. 2 is a schematic diagram of a disassembled structure of a sand screening and distributing device according to an embodiment of the present utility model;

FIG. 3 is an enlarged block diagram of FIG. 1 at A;

FIG. 4 is a schematic diagram of an assembled structure of a gyratory pendulum and a base according to an embodiment of the present utility model;

fig. 5 is a schematic structural view of a vibration motor according to an embodiment of the present utility model.

In the figure:

1. a base;

2. a spin vibration part; 21. a vibration seat; 22. a vibration motor; 221. an upper weight; 222. a lower weight; 23. an elastic member;

3. a screen section; 31. a first screen; 32. a second screen; 33. a blocking frame; 331. an upper frame; 3311. an upper discharge port; 332. a middle frame; 3321. a middle discharge port; 333. a lower frame; 3331. a lower discharge port; 34. a clamp; 35. a seal ring; 36. an upper cover; 361. a feed inlet;

4. a receiving tray; 5. a vibrator.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" 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. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 1 and 2, the present embodiment provides a sand screening and distributing device for screening sand materials. The sand screening and separating device comprises a base 1, a rotary vibrating part 2, a screen cloth part 3 and a receiving tray 4, wherein the rotary vibrating part 2 is elastically connected to the base 1. The screen cloth portion 3 sets up on the portion of shaking soon 2, and screen cloth portion 3 includes a plurality of screens that top-down interval set gradually, and the mesh of a plurality of screens reduces in proper order from top to bottom, and the portion of shaking soon 2 can drive screen cloth portion 3 vibration, and the sand material that awaits screening sieves through a plurality of screens in proper order from top to bottom. The receiving tray 4 is arranged on the lower side of the screen cloth part 3 at the lowest layer, the receiving tray 4 is used for receiving sand materials sieved by the screen cloth part 3 at the lowest layer, the receiving tray 4 is obliquely arranged, the vibrator 5 is arranged on the bottom side of the receiving tray 4, and the vibrator 5 can drive the receiving tray 4 to vibrate.

Through setting up soon portion 2 that shakes drive screen cloth portion 3 vibration and sieving the sand material to set up connect charging tray 4 slope, make in the sand material through sieving back finer powder layer upon layer have to connect the lower trend of charging tray 4 one side removal, conveniently discharge the sand material after gathering from the lower one side of charging tray 4, thereby avoid sand material gathering on receiving the charging tray 4. In addition, still be provided with vibrator 5 in the downside that connects charging tray 4, further drive through vibrator 5 and connect charging tray 4 vibration to make sand material more fast to connect the lower one side of charging tray 4 to remove, be favorable to making the sand material on the charging tray 4 discharge more fast.

Optionally, as shown in fig. 1, the screen is horizontally arranged, and the included angle between the receiving tray 4 and the screen is set to be 10 ° -20 °, that is, the receiving tray 4 is inclined by 10 ° -20 °, preferably 15 °, so as to achieve a better sand falling effect.

Preferably, the surface roughness can be obviously reduced by carrying out fine polishing process treatment on the receiving surface of the receiving tray 4, so that the resistance of sand moving on the receiving tray 4 is smaller.

Further, as shown in fig. 1 and 2, the screen portion 3 further includes a baffle frame 33, the baffle frame 33 is enclosed on the outer sides of the plurality of screens and the receiving tray 4 and is in sealing connection with the screens and the receiving tray 4, a plurality of discharge ports are arranged on the baffle frame 33 at positions where the screens are attached to the upper edges of the receiving tray 4, the discharge ports corresponding to the receiving tray 4 are arranged on one side of the receiving tray 4 inclined downwards, and sand materials on the screens and the receiving tray 4 are discharged from the corresponding discharge ports. By arranging the baffle frame 33, the sand is surrounded and blocked, and the sand is prevented from splashing everywhere.

Optionally, the baffle frame 33 includes a plurality of sub-frames, and two adjacent sub-frames sandwich a screen, and are connected with the screen by a clip 34. The screen mesh can be exposed after disassembly by arranging the baffle frame 33 in a manner of assembling a plurality of sub frames, so that the screen mesh can be replaced or cleaned and maintained.

In this embodiment, as shown in fig. 2, the screen is provided with two layers, a first screen 31 and a second screen 32 in sequence from top to bottom, and the mesh diameter of the first screen 31 is larger than that of the second screen 32, so that sand materials with three sizes of particles can be screened out. Correspondingly, three sub-frames are arranged, namely an upper frame 331, a middle frame 332 and a lower frame 333 from top to bottom, an upper discharge opening 3311 is arranged on the upper frame 331, a middle discharge opening 3321 is arranged on the middle frame 332, a lower discharge opening 3331 is arranged on the lower frame 333, and sand materials with three particle sizes are discharged from the upper discharge opening 3311, the middle discharge opening 3321 and the lower discharge opening 3331 respectively. The number of layers of the screen is not limited to this, and may be specifically set according to the type of sand to be screened.

Optionally, referring to fig. 2 and 3, a sealing ring 35 is interposed between the frame and the screen, so that the frame and the screen are connected in a sealing manner, and sand leakage is prevented.

Specifically, as shown in fig. 3, the end portions of the sub-frames are bent outwards to form a connecting edge, the section of the sealing ring 35 is U-shaped, the sealing ring 35 is sleeved on the periphery of the screen, and the connecting edges of the upper sub-frame and the lower sub-frame are pressed on the sealing ring 35 and clamp the sealing ring 35 under the action of the clamp 34.

Further, as shown in fig. 2, the screen portion 3 further includes an upper cover 36, the upper cover 36 is provided with an opening at an upper end of the upper frame 331, a feeding port 361 is provided in the upper cover 36, and sand enters the screen from the feeding port 361. A sealing ring 35 is also arranged between the upper cover 36 and the upper frame 331 and is connected with the upper cover by a clamp 34. It should be noted that, since a screen is not required to be disposed between the upper cover 36 and the upper frame 331, the seal ring 35 is not required to be disposed in a U shape, and the seal ring 35 may be disposed between the upper cover 36 and the upper frame 331 as a flat seal ring.

Further, as shown in fig. 4, the spin vibrating portion 2 includes a vibration seat 21 and a vibration motor 22, the lower side of the vibration seat 21 is elastically connected to the base 1, the upper side of the vibration seat 21 is connected to the screen portion 3, and specifically, the upper side of the vibration seat 21 is connected to the lower end of the lower frame 333. The vibration part further comprises a plurality of elastic pieces 23, the plurality of elastic pieces 23 are arranged between the vibration seat 21 and the base 1 at intervals, so that the elastic connection between the vibration seat 21 and the base 1 is realized, and compression springs can be adopted for the elastic pieces. The vibration motor 22 is disposed on the vibration base 21, and the vibration motor 22 is used for driving the vibration base 21 to vibrate. The vibration motor 22 drives the vibration seat 21 to vibrate, thereby driving the screen portion 3 to vibrate as a whole.

Preferably, as shown in fig. 5, the upper end of the vibration motor 22 is provided with an upper weight 221, the lower end of the vibration motor 22 is provided with a lower weight 222, an included angle is formed between the upper weight 221 and the lower weight 222, and the upper weight 221 and the lower weight 222 may be provided in a fan shape. Through setting up upper portion weight 221 and lower part weight 222 that is the contained angle setting, turn vibrating motor 22's rotary motion into level, perpendicular, the cubic unit motion of slope, give the screen cloth again this cubic unit motion transmission, make the material expand involute motion outward on the screen cloth, prolonged the orbit of sand material on the screen cloth, be favorable to improving screen cloth utilization ratio.

Optionally, the upper weight 221 and the lower weight 222 are detachably connected to the output shaft of the vibration motor 22, and the included angle between the upper weight 221 and the lower weight 222 can be adjusted. The vibration motor 22 is a conventional rotary vibration device, and the specific connection and angle adjustment of the upper weight 221 and the lower weight 222 will not be described in detail. Through adjusting the included angle between the upper weight 221 and the lower weight 222, that is, adjusting the phase angle between the upper weight 221 and the lower weight 222, the motion track of the sand on the screen can be changed, and more accurate screening of the sand can be realized.

The embodiment also provides a sand blasting machine, which comprises the sand screening and distributing device. After the sand blasting machine is used for a period of time, the broken sand materials are rapidly screened through the sand screening and distributing device, so that accumulation of sand material powder is reduced, smooth sand discharge of the sand blasting machine is ensured, and the surface roughness of a processed article after sand blasting treatment is uniform. The sand sieving and distributing device can be directly applied to the existing sand blasting machine without modifying the existing sand blasting machine in a large amount.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (11)

1. Sand screening feed divider, its characterized in that includes:

a base (1);

a rotary vibration part (2) which is elastically connected to the base (1);

the screen cloth part (3) is arranged on the rotary vibration part (2), the screen cloth part (3) comprises a plurality of screen cloth which are sequentially arranged at intervals from top to bottom, meshes of the screen cloth are sequentially reduced from top to bottom, the rotary vibration part (2) can drive the screen cloth part (3) to vibrate, and sand materials to be screened sequentially pass through the screen cloth from top to bottom;

connect charging tray (4), set up in the downside of screen cloth portion (3) of lower floor, connect charging tray (4) be used for accepting through lower floor screen cloth portion (3) sieve down sand material, connect charging tray (4) slope setting, the downside that connects charging tray (4) is provided with vibrator (5), vibrator (5) can drive connect charging tray (4) vibration.

2. A sand-screening device according to claim 1, characterized in that the screen section (3) further comprises:

keep off frame (33), keep off frame (33) enclose locate a plurality of the screen cloth with connect the outside of charging tray (4), and with the screen cloth with connect charging tray (4) seal phase, keep off laminating on frame (33) the screen cloth with connect the position of charging tray (4) upper edge all is provided with the bin outlet, connect charging tray (4) corresponding the bin outlet set up in connect one side of downward sloping of charging tray (4), on the screen cloth and connect the sand material on charging tray (4) follow corresponding the bin outlet discharge.

3. The sand screening and distributing device according to claim 2, characterized in that the baffle frame (33) comprises a plurality of sub-frames, wherein one screen is clamped between two adjacent sub-frames, and the two adjacent sub-frames are connected with the screen through a clamp (34).

4. A sand screening and distributing device according to claim 3, characterized in that a sealing ring (35) is arranged between the frame and the screen.

5. A sand-screening device according to claim 2, characterized in that the screen section (3) further comprises:

the upper cover (36), upper cover (36) lid is located the upper end opening of fender frame (33), be provided with pan feeding mouth (361) on upper cover (36), sand material follow pan feeding mouth (361) get into the screen cloth.

6. A sand-screening and distributing device according to any one of claims 1-5, characterized in that the whirling section (2) comprises:

a vibration seat (21), wherein the lower side of the vibration seat (21) is elastically connected to the base (1), and the upper side of the vibration seat (21) is connected with the screen part (3);

and the vibration motor (22) is arranged on the vibration seat (21), and the vibration motor (22) is used for driving the vibration seat (21) to vibrate.

7. A sand-screening and distributing device according to claim 6, characterized in that the whirling vibration part (2) further comprises:

and a plurality of elastic pieces (23), wherein the elastic pieces (23) are arranged between the vibration seat (21) and the base (1) at intervals.

8. The sand screening and distributing device according to claim 6, characterized in that an upper weight (221) is arranged at the upper end of the vibration motor (22), a lower weight (222) is arranged at the lower end of the vibration motor (22), and an included angle is formed between the upper weight (221) and the lower weight (222).

9. The sand screening and distributing device according to claim 8, characterized in that the upper weight (221) and the lower weight (222) are detachably connected to the output shaft of the vibration motor (22), and the angle between the upper weight (221) and the lower weight (222) can be adjusted.

10. A sand screen according to any one of claims 1-5, characterized in that the screen is arranged horizontally, the angle between the receiving tray (4) and the screen being arranged between 10 ° and 20 °.

11. Sand blaster comprising a sand screening and distributing device according to any of claims 1-10.

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