阅读说明：本技术 一种气动锥形放料机构 (Pneumatic conical discharging mechanism ) 是由 胡福良 蒋平 胡子豪 周紫珺 高成冲 于 2019-11-04 设计创作，主要内容包括：本发明涉及一种气动锥形放料机构,包括锥体、加强圈、下料机构和气动机构,所述加强圈的底端固定连接所述下料机构,所述加强圈的上端设有所述锥体,所述锥体内设有气动机构,所述气动机构推动所述锥体使其与所述加强圈分开或紧密贴合。本发明的有益效果为：由于采用了气动方式,在粉体物料混合完成后的落料过程中,没有机械运动,有效解决了现有技术中粉体混进金属元素的问题。(The invention relates to a pneumatic conical discharging mechanism which comprises a cone, a reinforcing ring, a discharging mechanism and a pneumatic mechanism, wherein the bottom end of the reinforcing ring is fixedly connected with the discharging mechanism, the upper end of the reinforcing ring is provided with the cone, the pneumatic mechanism is arranged in the cone, and the pneumatic mechanism pushes the cone to be separated from or tightly attached to the reinforcing ring. The invention has the beneficial effects that: due to the adoption of a pneumatic mode, no mechanical motion exists in the blanking process after the powder materials are mixed, and the problem that the metal elements are mixed in the powder in the prior art is effectively solved.)

1. The pneumatic conical discharging mechanism is characterized by comprising a cone, a reinforcing ring, a discharging mechanism and a pneumatic mechanism, wherein the bottom end of the reinforcing ring is fixedly connected with the discharging mechanism, the cone is arranged at the upper end of the reinforcing ring, the pneumatic mechanism is arranged in the cone, and the pneumatic mechanism pushes the cone to enable the cone to be separated from or tightly attached to the reinforcing ring.

2. The pneumatic conical discharging mechanism according to claim 1, wherein the pneumatic mechanism comprises an upper gland, a lower gland, a cylinder tube, a piston rod, an air inlet pipe, a first piston rod seat and a second piston rod seat, the upper end and the lower end of the cylinder tube are respectively correspondingly connected with the upper gland and the lower gland, the center of the bottom of the upper gland is provided with a conical hole, the piston is arranged below the conical hole, the center of the piston is provided with a piston hole for accommodating the piston rod and communicated with the conical hole, the upper end of the piston rod is connected with the piston through the first piston seat with an air outlet through hole in the center, the lower end of the piston rod penetrates through the lower gland and then is connected with the second piston seat, the second piston seat is vertically provided with two air inlet through holes, the piston rod is internally provided with an air inlet pipe, and the upper end and the lower end of the air inlet, the air inlet through hole is communicated with an air pipe through an air pipe joint below the air inlet through hole.

3. The pneumatic conical discharging mechanism of claim 2, wherein the lower surface of the upper gland and the upper surface of the lower gland are correspondingly provided with grooves, the two grooves are respectively provided with a sealing ring, and the upper end and the lower end of the cylinder tube are correspondingly embedded in the grooves.

4. The pneumatic conical discharging mechanism according to claim 2, wherein a first Qy sealing ring is arranged between the cylinder pipe and the piston, and a first guiding strip is arranged between the first Qy sealing ring and the piston.

5. The pneumatic conical discharging mechanism according to claim 2, wherein a second Qy sealing ring, a second guiding belt and a dustproof sealing ring are sequentially arranged between the piston rod and the lower pressing cover from top to bottom, and an O-shaped sealing ring is arranged between the piston rod and the piston.

6. The pneumatic conical discharging mechanism according to claim 2, wherein the discharging mechanism comprises a discharging pipe, a first supporting plate, a second supporting plate and a fixed sleeve seat, the fixed sleeve seat is arranged at the center of the discharging pipe, a fixing hole for accommodating the second piston seat is vertically formed in the fixed sleeve seat, a sealing plate is arranged at the bottom of the fixed sleeve seat and is in threaded connection with the fixed sleeve seat through a second hexagon socket head cap screw, the first supporting plate and the second supporting plate are uniformly arranged on the outer side wall of the fixed sleeve seat along the central axis of the fixed sleeve seat, a through hole of the air inlet pipe hole is transversely formed in each supporting plate, and holes corresponding to the through holes of the air inlet pipe are formed in the discharging pipe and the fixed sleeve seat.

7. The pneumatic conical discharging mechanism according to claim 1, wherein the cone comprises an upper conical sleeve and a lower conical sleeve welded below the upper conical sleeve, the top end of the pneumatic mechanism is welded at the upper end of the inner side wall of the lower conical sleeve, and the bottom end of the pneumatic mechanism is connected with the lower conical sleeve through an encapsulated seat ring below the pneumatic mechanism.

8. The pneumatic conical discharge mechanism of claim 7, wherein the outer periphery of the encapsulated seat ring is provided with a sealant.

Technical Field

The invention relates to the technical field of powder mixing equipment, in particular to a pneumatic conical discharging mechanism of a pneumatic mixer.

Background

The medicine industry and the chemical industry often have some powder mixing operations, some powder mixing requirements can not mix into metallic elements, the pneumatic mixer is preferably adopted for mixing, the pneumatic mixer adopts compressed air as power for mixing, no mechanical part motion exists, the material discharging mode can not be realized by mechanical motion, the material discharging of the existing pneumatic mixer is basically the mechanical motion mode, and in order to solve the problem, a pneumatic material discharging mechanism needs to be designed.

Disclosure of Invention

In order to solve the problems and ensure that no mechanical motion exists in the material discharging process, the invention provides a pneumatic conical material discharging mechanism, which adopts the technical scheme that: the blanking device comprises a cone, a reinforcing ring, a blanking mechanism and a pneumatic mechanism, wherein the bottom end of the reinforcing ring is fixedly connected with the blanking mechanism, the cone is arranged at the upper end of the reinforcing ring, the pneumatic mechanism is arranged in the cone, and the pneumatic mechanism pushes the cone to separate or tightly attach the cone and the reinforcing ring.

Furthermore, the pneumatic mechanism comprises an upper gland, a lower gland, a cylinder pipe, a piston rod, an air inlet pipe, a first piston rod seat and a second piston rod seat, the upper end and the lower end of the cylinder pipe are respectively and correspondingly connected with an upper gland and a lower gland, the center of the bottom of the upper gland is provided with a conical hole, a piston is arranged below the piston rod, a piston hole which is used for accommodating the piston rod and is communicated with the conical hole is arranged in the center of the piston, the upper end of the piston rod is connected with the piston through a first piston seat with an air outlet through hole in the center, the lower end of the piston rod penetrates through the lower gland and then is connected with a piston seat II, two air inlet through holes are vertically arranged on the piston seat II, an air inlet pipe is arranged in the piston rod, the upper end and the lower end of the air inlet pipe are respectively connected with the air outlet through hole and one of the air inlet through holes correspondingly, and the air inlet through hole is communicated with the air pipe through an air pipe joint below the air inlet through hole.

Furthermore, the lower surface of the upper gland and the upper surface of the lower gland are correspondingly provided with grooves, sealing rings are respectively arranged in the two grooves, and the upper end and the lower end of the cylinder pipe are correspondingly embedded in the grooves.

Furthermore, two first Qy sealing rings are arranged between the cylinder pipe and the piston, and a first guide belt is arranged between the two first Qy sealing rings.

Further, be equipped with Qy sealing washer two, guidance tape two, dust seal circle from last to down in proper order between piston rod and the lower pressure lid, be equipped with O type sealing washer between piston rod and the piston.

Further, unloading mechanism includes unloading pipe, backup pad one, backup pad two and fixed cover seat, the center of unloading pipe is equipped with fixed cover seat, the vertical fixed orifices that holds piston seat two that is equipped with on the fixed cover seat, the bottom of fixed cover seat is equipped with the shrouding, the shrouding passes through hexagon socket head cap screw bolt two and fixed cover seat threaded connection, evenly be equipped with two backup pads one and a backup pad two along its central axis on the fixed cover seat lateral wall, all transversely seted up air inlet pipe hole through-hole on every backup pad one, the unloading pipe with set up on the fixed cover seat with the hole that the air inlet pipe through-hole corresponds.

Furthermore, the cone comprises an upper cone sleeve and a lower cone sleeve welded below the upper cone sleeve, the top end of the pneumatic mechanism is welded at the upper end of the inner side wall of the lower cone sleeve, and the bottom end of the pneumatic mechanism is connected with the lower cone sleeve through a rubber-coated seat ring below the pneumatic mechanism.

Furthermore, the periphery of the rubber-coated seat ring is provided with a sealant. The conical sealant is matched with the conical hole, the sealing effect is good, and metal elements cannot be mixed when the powder is discharged due to the fact that the sealant is in contact with metal.

The invention has the beneficial effects that: the guide belt I and the guide belt II are arranged in the invention, and play a role in supporting and guiding the piston and the piston rod in the reciprocating motion process of the cylinder, so that the contact between metals is avoided; when the cylinder reciprocates, the clearance between the piston rod and the sealing ring is ensured, and smooth operation is ensured; good wear resistance and long service life. The invention adopts a pneumatic mode for blanking, has no mechanical motion in the blanking process after the powder materials are mixed, and effectively solves the problem that the powder is mixed with metal elements in the prior art.

Drawings

In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.

FIG. 1 is a schematic cross-sectional front view of the present invention.

Fig. 2 is a schematic structural view of the upper gland in a front view.

Fig. 3 is a schematic top view of the upper cover.

Fig. 4 is a schematic structural view of a lower gland in a front view.

Fig. 5 is a schematic top view of the press cover.

Fig. 6 is a schematic structural diagram of a front section of the rubber-covered seat ring.

Figure 7 is a schematic top view of the encapsulated race.

Fig. 8 is a schematic sectional structure view of the piston in front view.

Fig. 9 is a schematic sectional front view of the piston rod seat.

Fig. 10 is a schematic cross-sectional view of the piston rod seat.

Fig. 11 is a schematic top view of the piston rod seat.

Fig. 12 is a schematic sectional view of the blanking tube.

Fig. 13 is a schematic top view of the blanking tube.

Wherein, 1-a blanking pipe, 2-a sealing plate, 3-a fixed sleeve seat, 4-an air pipe, 5-an air pipe joint, 6-a dustproof sealing ring, 7-a reinforcing ring, 8-a sealing glue, 9-an inner hexagonal long bolt, 10-an air inlet pipe, 11-a piston rod, a 12-O type sealing ring, a 13-Qy sealing ring I, 14-a flat gasket III, 15-a hexagonal nut, 16-an upper conical sleeve, 17-a piston rod seat I, 17-1-an air outlet through hole, 18-an upper gland, 19-a sealing ring, 20-a piston, 21-a guide belt I, 22-a lower conical sleeve, 23-a cylinder pipe, 24-a Qy sealing ring II, 25-a guide belt II, 26-a lower gland, 27-a rubber-coated seat ring and 28-a sealing gasket, 29-first inner hexagon bolt, 30-taper hole, 31-through hole of air inlet pipe, 32-second piston rod seat, 32-1-through hole of air inlet, 32-2-blind hole, 33-first support plate, 34-second inner hexagon bolt, 35-second support plate.

Detailed Description

As shown in fig. 1 to 13, the pneumatic conical discharging mechanism of the present invention comprises a cone, a reinforcing ring 7, a discharging mechanism and a pneumatic mechanism, wherein the bottom end of the reinforcing ring 7 is fixedly connected to the discharging mechanism, the upper end of the reinforcing ring 7 is provided with the cone, the pneumatic mechanism is arranged in the cone, and the pneumatic mechanism pushes the cone to separate from or tightly attach to the reinforcing ring 7.

The cone comprises an upper taper sleeve 16 and a lower taper sleeve 22 welded below the upper taper sleeve, the bottom of the lower taper sleeve 22 is installed on a rubber-covered seat ring 27, and a sealing glue 8 is further arranged at the contact part of the periphery of the rubber-covered seat ring 27 and the reinforcing ring 7.

The pneumatic mechanism comprises an air inlet pipe 10, a piston rod 11, a first piston rod seat 17, an upper gland 18, a piston 20, a cylinder pipe 23, a lower gland 26 and a second piston rod seat 32, wherein grooves are correspondingly formed in the lower surface of the upper gland 18 and the upper surface of the lower gland 26, sealing rings 19 are respectively arranged in the two grooves, and the upper end and the lower end of the cylinder pipe 23 are correspondingly embedded in the grooves; the upper gland 18 is welded at the upper end of the lower taper sleeve 22, and the upper gland 18 and the lower gland 26 are fixedly connected through four inner hexagonal long bolts 9; the lower gland 26 and the rubber-covered seat ring 27 are concentric with the central axis and arranged above the central axis, a sealing gasket 28 is arranged between the lower gland 26 and the rubber-covered seat ring 17, and the lower gland 26 and the rubber-covered seat ring 17 are fixed through four groups of hexagon socket head bolts I29.

The center of the bottom of the upper gland 18 is provided with a tapered hole 30, a piston 20 which has the same central axis with the tapered hole is arranged below the tapered hole, two Qy sealing rings I13 are arranged between the piston 20 and the cylinder pipe 23, and a guide belt I21 is also arranged between the two Qy sealing rings I13; the center of the piston 20 is provided with a piston hole which is used for accommodating the piston rod 11 and communicated with the taper hole, the upper end of the piston rod 11 is embedded in the piston 20, an O-shaped sealing ring 12 is arranged between the piston rod 11 and the piston 20, a piston seat I17 with an air outlet through hole 17-1 in the center is arranged above the piston rod 11 and is connected with the piston 20 through a hexagon nut 15, and a flat gasket III 14 is further arranged between the hexagon nut 15 and the piston.

The lower end of the piston rod 11 sequentially penetrates through the lower gland 26 and the rubber-coated seat ring 27 and then is connected with a second piston seat 32, and a second Qy sealing ring 24, a second guide belt 25 and a dustproof sealing ring 6 are sequentially arranged between the piston rod 11 and the lower gland 26 from top to bottom; two air inlet through holes 32-1 and two blind holes 32-2 are vertically arranged on the second piston seat 32, an air inlet pipe 10 is arranged in the piston rod 11, the upper end and the lower end of the air inlet pipe 10 are respectively and correspondingly connected with the air outlet through hole 17-1 and one of the air inlet through holes, and the two air inlet through holes are respectively connected with an air pipe 4 through an air pipe joint 5 below the air inlet through holes.

The blanking mechanism comprises a blanking pipe 1, a first supporting plate 33-1, a second supporting plate 33-2 and a fixed sleeve seat 3, the blanking pipe 1 and a reinforcing ring 7 are concentric and welded below the reinforcing ring, the fixed sleeve seat 3 is arranged at the center of the blanking pipe 1, a fixing hole for accommodating the second piston seat 32 is vertically arranged on the fixed sleeve seat 3, a sealing plate 2 is arranged at the bottom of the fixed sleeve seat 3, and the sealing plate is in threaded connection with a blind hole 32-2 of the second piston seat 32 through a second hexagon socket head cap screw 34; two supporting plates 33-1I and one supporting plate II 33-2 are uniformly arranged on the outer side wall of the fixed sleeve seat 3 along the central axis thereof, and two adjacent supporting plates are distributed at an angle of 120 degrees; an air inlet pipe hole through hole 31 is transversely formed in each supporting plate I33-1, holes corresponding to the air inlet pipe through holes are formed in the blanking pipe 11 and the fixing sleeve base 3, and the lower end of the air pipe 4 is connected with an external compressed air source through the air inlet pipe through hole 31.

Before the powder is fed to the mixing, the pneumatic conical discharging mechanism does not admit air and exhaust air, the cylinder part falls down, the conical surface of the sealant 8 falls on the conical surface of the reinforcing ring 7, the reinforcing ring 7 is the bottom of the powder mixing chamber, and the powder is blocked from entering the discharging pipe 1 through the reinforcing ring 7.

When the powder mixes and accomplishes, admit air in external compressed air source gives trachea 4, compressed air advances in the bell mouth of last gland 18 through intake pipe 10, and then gets into the air chamber that last gland 18, cylinder pipe 23, lower taper sleeve 22, gland 26 formed down, piston rod 11 and piston 20 are motionless, and compressed air in the air chamber drives the cone upward movement for sealed glue 8 breaks away from reinforcing ring 7, forms the unloading passageway, and the powder just gets into discharging pipe 1 through this passageway and discharges after.

In the application, the inner ring of the reinforcing ring is of a conical structure, the included angle between the inner side surface of the reinforcing ring and the horizontal plane is the best 120 degrees, the sealant in contact with the inner ring is of a conical structure matched with the inner ring, the sealing effect is good, and metal elements cannot be mixed when powder is discharged due to the fact that the sealant is in contact with metal; the discharging mechanism moves in a pneumatic mode, two gas paths are arranged in the piston, air inlet is communicated to the outside of the piston, the piston is fixed, and the cone and the reinforcing ring are driven to be separated or tightly attached through the up-and-down movement of the cylinder; the setting is trompil in the backup pad for ventilate, no longer has the trachea to expose in the unloading pipe, has avoided the powder to fall on the trachea.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all equivalent variations made by using the contents of the present specification and the drawings are within the protection scope of the present invention.