CN215325648U

CN215325648U - Vacuum feeding device capable of effectively preventing dust

Info

Publication number: CN215325648U
Application number: CN202120475124.0U
Authority: CN
Inventors: 李伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2021-12-28
Anticipated expiration: 2031-03-05

Abstract

The utility model relates to the related technical field of vacuum feeding machines and discloses a vacuum feeding device capable of effectively preventing dust, which comprises a feeding hose, wherein the feeding hose is in a circular hollow tubular shape, the lower end of the feeding hose is connected with a suction pipe head pipeline of an external vacuum feeding machine, when the vacuum feeding device is used, the vacuum feeding device outside the feeding hose is firstly inserted into an external storage barrel connected with the upper end of the feeding hose through the feeding hose during vacuum feeding, the vacuum feeding device sucks and feeds master batches, when the external vacuum feeding device connected with the feeding hose sucks and transports the master batches through the feeding hose, the internal blockage of the feeding hose due to the excessive bending of the feeding hose and the influence on the conveying of the master batches due to the placing angle of the external storage barrel and the external vacuum feeding device and the limitation of the flexibility of the feeding hose are avoided, thereby achieving the effect of normal operation of the vacuum feeding device connected with the lower end of the feeding hose.

Description

Vacuum feeding device capable of effectively preventing dust

Technical Field

The utility model relates to the technical field of vacuum feeding machines, in particular to a vacuum feeding device capable of effectively preventing dust.

Background

The vacuum feeder is also called as a vacuum conveyor, and is a dust-free closed pipeline conveying device for conveying particles and powdery materials by means of vacuum suction.

The existing master batch vacuum feeding device technology has the following problems: the existing master batch vacuum feeding device is basically inserted into master batches through a feeding hose when vacuum feeding is carried out, the master batches are subjected to suction feeding, the feeding hose can be limited by self flexibility, when the storage barrel is placed in a poor position, the placing angle of the feeding hose is easily bent excessively, dead angles can easily appear at the excessively bent part of the feeding hose, and once the dead angles appear on the feeding hose, the master batches can not normally pass through the feeding hose to be fed easily, so that the whole vacuum feeding device can not normally work, and therefore the vacuum feeding device capable of effectively preventing dust is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model mainly solves the technical problems in the prior art and provides the vacuum feeding device capable of effectively preventing dust.

(II) technical scheme

In order to achieve the purpose, the utility model adopts the following technical scheme that the vacuum feeding device capable of effectively preventing dust comprises a feeding hose, wherein the feeding hose is in a circular hollow tube shape, the lower end of the feeding hose is connected with a material suction pipe head pipeline of an external vacuum feeding machine, the upper end of the feeding hose is connected with an internal pipeline of an external material storage cylinder, a support ring is arranged inside the feeding hose and is in a circular hollow ring shape, a circular groove is formed in the outer wall of the support ring, an extrusion device is arranged on the inner wall of the circular groove, a fixing ring is fixedly arranged on the inner wall of the feeding hose and is in a circular hollow ring shape, and an expansion device is arranged on the inner wall of the feeding hose.

Preferably, the pressing device includes: the sliding rod penetrates through the inside of the circular groove, the spring is sleeved on the outer wall of the sliding rod, the right end of the spring is fixedly connected with the outer wall of the support ring, the abutting block is fixedly installed at the left end of the sliding rod and is in a circular block shape, the abutting groove is formed in the outer wall of the support ring and is in a trapezoid groove shape, the extrusion block is movably clamped with the abutting groove, the right end of the sliding rod is fixedly connected with the left side wall of the extrusion block, the number of the fixed rods is totally two, the number of the fixed rods is in a circular rod shape, the ends, close to each other, of the two fixed rods are fixedly connected with the outer wall of the support ring respectively, the number of the connecting rods is totally two, and the left ends of the two connecting rods are fixedly connected with the right ends of the two fixed rods respectively, the supporting and pressing blocks are two in total and are in a circular block shape, the right ends of the two supporting and pressing blocks are respectively attached to the inner wall of the feeding hose, the number of the spherical grooves is two, the spherical grooves are three-quarter spherical groove shapes, and the number of the movable balls is two.

Preferably, the expansion device includes: the movable ring, connect rope, connecting block, circle axle, pulley and drive the membrane, the movable ring is located the inside of material loading hose, and the movable ring is circular inside cavity ring-type, connect total two of rope, connect rope self to have elasticity, and two lower extremes of connecting the rope are fixed mounting respectively in the upper end of movable ring, the connecting block has two altogether, and the connecting block is rectangular block-shaped, and the one end that two connecting blocks are close to each other respectively with the outer wall of movable ring on fixed connection together, the circle axle has two altogether, two circle axles fixed mounting respectively on the back wall of two connecting blocks, the pulley has two altogether, and two pulleys are in the same place through loose bearing and two epaxial swing joint of circle respectively, drive membrane fixed mounting on the inner wall of movable ring, it is oval film to drive the membrane.

Preferably, the lower extreme fixed mounting of solid fixed ring has the magnetism piece, and magnetism piece self has magnetism, two the upper end of connecting the rope runs through two magnetism piece lower extremes respectively, magnetism adsorbs together on activity ring and the magnetism piece.

Preferably, the left end of the abutting block is attached to the inner wall of the feeding hose, the left end of the spring is fixedly connected with the right end of the abutting block, and the outer wall surfaces of the two pulleys are respectively attached to the inner wall of the feeding hose.

Preferably, the outer walls of the two movable balls are fixedly connected with the right ends of the two connecting rods respectively, and the two movable balls are movably clamped with the insides of the two spherical grooves respectively.

Advantageous effects

The utility model provides a vacuum feeding device capable of effectively preventing dust. The method has the following beneficial effects:

(1) when the vacuum feeding device outside the feeding hose is used for vacuum feeding, the vacuum feeding device is firstly inserted into an external storage barrel connected with the upper end of the feeding hose through the feeding hose, the vacuum feeding device can suck and feed master batches, when the external vacuum feeding device connected with the feeding hose sucks and transports the master batches through the feeding hose, due to the limitation of the placing angles of the external storage barrel and the external vacuum feeding device and the flexibility of the feeding hose, when the placing position of the storage barrel is poor, the placing angle of the feeding hose is easily bent excessively, the abutting block and the supporting block on the supporting ring are abutted to the inner wall support of the feeding hose, when the feeding hose is placed in a bent state, the abutting block on the supporting ring can be extruded by the bent dead angle of the feeding hose, at this moment, the sliding rod can extrude the inner wall of the feeding hose close to the extrusion block, at this moment, the bent dead angle of the inner wall of the feeding hose is extruded by the extrusion block in a mode that the sliding rod drives the extrusion block, the bent dead angle of the inner wall of the feeding hose can be outwards supported and extruded by the extrusion block, at this moment, the space inside the feeding hose can be enlarged and restored, the situation that the feeding hose is excessively bent to cause the dead angle to block the inside of the feeding hose to influence the conveying of master batches is avoided, and therefore the effect of enabling the vacuum feeding device connected with the lower end of the feeding hose to normally operate is achieved.

(2) The vacuum feeding device capable of effectively preventing dust is characterized in that the inner part of a feeding hose is connected with a movable ring capable of sliding on the inner wall of the feeding hose through a fixing ring, the movable ring is connected with two circular shafts connected on the movable ring, the two circular shafts can support the inner wall of the feeding hose in a default state to enable the diameter of a part of the feeding hose, which is in contact with the circular shafts, to be larger than the normal diameter of the inner part of the feeding hose, when the movable ring slides on the inner wall of the feeding hose through the circular shafts, the diameter of the part of the inner wall of the feeding hose, which is in contact with the circular shafts, to be correspondingly larger along with the movement of the circular shafts, when suction is generated inside the feeding hose, the movable ring drives a membrane to move under the driving of the suction, the movable ring can drive a pulley to move towards the lower part of the inner wall of the feeding hose, when master batch obtained inside the feeding hose slides along with the circular shafts, the space of the part of the feeding hose, which is in contact with the circular shafts, can be increased, at this moment the masterbatch is when the gliding position of process circle axle, the masterbatch is because of the increase of feeding hose inner space, masterbatch moving speed just can be faster, the activity ring drives two pulleys and is moving to certain distance after, at this moment the activity ring also can stimulate the connection rope, at this moment the activity ring just can the removal that resets through the elasticity of connecting the rope, at this moment the inside activity ring of feeding hose constantly has the suction will make a round trip to move from top to bottom down, make the inside masterbatch of feeding hose carry with higher speed, thereby reach the effect that improves the transport efficiency of the inside masterbatch of feeding hose.

(3) This can effectively prevent vacuum loading attachment of dust, after inside suction and the vacuum power of feeding hose disappear, at this moment the activity ring when the inside removal of feeding hose, the activity ring is when being close to the magnetic block, the activity ring will be carried out magnetic adsorption by the magnetic block, at this moment the activity ring does not have the static fixed column of magnetism that the during operation will pass through the magnetic block at the feeding hose, avoided connecting the rope and can't adsorbing under fixed long-time pulling at the activity ring, it produces elastic fatigue and leads to the unable reuse of activity ring to connect rope self, thereby reach the automatic fixed activity ring, prolong this activity ring self life's effect.

Drawings

FIG. 1 is an overall structural view of the present invention;

FIG. 2 is an enlarged view of A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of B of FIG. 1 according to the present invention.

Illustration of the drawings:

1. a feeding hose; 2. a support ring; 3. a circular groove; 4. an extrusion device; 5. a movable rod; 6. a spring; 7. a resisting block; 8. a fitting groove; 9. extruding the block; 10. fixing the rod; 11. a connecting rod; 12. supporting and pressing a block; 13. a spherical groove; 14. a movable ball; 15. an expansion device; 16. a movable ring; 17. connecting ropes; 18. connecting blocks; 19. a circular shaft; 20. a pulley; 21. driving the membrane; 22. a magnetic block; 23. and (4) fixing the ring.

Detailed Description

The technical scheme of the utility model is further specifically described by the following embodiments and the accompanying drawings.

Example (b): the utility model provides a can effectively prevent vacuum loading attachment of dust, as shown in fig. 1-3, including loading hose 1, loading hose 1 is circular inside cavity tubulose, loading hose 1's lower extreme and outside vacuum feeder inhale material tube head pipe connection, loading hose 1's upper end and outside storage silo internal pipe link together, loading hose 1's inside is provided with support ring 2, support ring 2 is circular inside cavity cyclic annular, circular slot 3 has been seted up on support ring 2's the outer wall, circular slot 3's inner wall is provided with extrusion device 4, extrusion device 4 includes: the device comprises a sliding rod 5, a spring 6, a resisting block 7, a fitting groove 8, an extrusion block 9, a fixed rod 10, a connecting rod 11, a supporting block 12, a spherical groove 13 and a movable ball 14, wherein the sliding rod 5 penetrates through the inside of the circular groove 3, the spring 6 is sleeved on the outer wall of the sliding rod 5, the right end of the spring 6 is fixedly connected with the outer wall of the supporting ring 2, the resisting block 7 is fixedly arranged at the left end of the sliding rod 5, the resisting block 7 is in a circular block shape, the left end of the resisting block 7 is fitted with the inner wall of the feeding hose 1, the left end of the spring 6 is fixedly connected with the right end of the resisting block 7, the fitting groove 8 is arranged on the outer wall of the supporting ring 2, the fitting groove 8 is in a trapezoidal groove shape, the extrusion block 9 is movably clamped with the fitting groove 8, the right end of the sliding rod 5 is fixedly connected with the left side wall of the extrusion block 9, the total two fixed rods 10 are provided, the fixed rods 10 are circular, one ends, which are close to each other, are fixedly connected with the rod-shaped outer wall of the supporting ring 2 respectively, connecting rod 11 has two altogether, the left end of two connecting rods 11 respectively with the right-hand member fixed connection of two dead levers 10, prop briquetting 12 and have two altogether, it is circular cubic to prop briquetting 12, two are propped the right-hand member of briquetting 12 and are in the same place with the inner wall laminating of feed hose 1 respectively, spherical groove 13 has two altogether, spherical groove 13 is three spherical groove shapes of quartering, movable ball 14 has two altogether, two movable ball 14's outer wall respectively with two connecting rod 11's right-hand member fixed connection together, two movable ball 14 respectively with two spherical groove 13's inside activity joint together, fixed mounting has solid fixed ring 23 on feed hose 1's the inner wall, gu fixed ring 23 is circular inside cavity cyclic annular, be provided with expansion device 15 on feed hose 1's the inner wall, expansion device 15 includes: the feeding device comprises a movable ring 16, two connecting ropes 17, two connecting blocks 18, circular shafts 19, pulleys 20 and a driving membrane 21, wherein the movable ring 16 is positioned inside a feeding hose 1, the movable ring 16 is in a circular hollow ring shape, the number of the connecting ropes 17 is two, the connecting ropes 17 have elasticity, the lower ends of the two connecting ropes 17 are fixedly arranged at the upper end of the movable ring 16 respectively, the number of the connecting blocks 18 is two, the connecting blocks 18 are in a rectangular block shape, the ends, close to each other, of the two connecting blocks 18 are fixedly connected with the outer wall of the movable ring 16 respectively, the number of the circular shafts 19 is two, the two circular shafts 19 are fixedly arranged on the rear wall of the two connecting blocks 18 respectively, the number of the pulleys 20 is two, the two pulleys 20 are movably connected with the two circular shafts 19 through movable bearings respectively, the outer wall surfaces of the two pulleys 20 are attached to the inner wall of the feeding hose 1 respectively, and the driving membrane 21 is fixedly arranged on the inner wall of the movable ring 16, the driving film 21 is an oval film, the lower end of the fixing ring 23 is fixedly provided with a magnetic block 22, the magnetic block 22 has magnetism, the upper ends of the two connecting ropes 17 penetrate through the lower ends of the two magnetic blocks 22 respectively, and the movable ring 16 and the magnetic block 22 are magnetically adsorbed together.

The working principle of the utility model is as follows: when the vacuum feeding device is used, firstly, the vacuum feeding device outside the feeding hose 1 is inserted into an external storage cylinder connected with the upper end of the feeding hose 1 through the feeding hose 1 when vacuum feeding is carried out, the lower end of the feeding hose 1 is connected with the external vacuum feeding device through a pipeline, at this time, the vacuum feeding device can suck and feed master batches in the external storage cylinder connected with the upper end of the feeding hose 1 through the feeding hose 1, when the feeding hose 1 is bent by sucking, the abutting block 7 and the extruding block 9 inside the feeding hose 1 can support and extrude a bent dead angle inside the feeding hose 1, so that the space inside the feeding hose 1 during bending is enlarged, the movable ring 16 inside the feeding hose 1 can drive the pulley 20 to slide up and down inside the feeding hose 1 under the suction force of the vacuum feeding device, and the diameter of a contact part between the inside the feeding hose 1 and the round shaft 19 is increased, the conveying efficiency of the master batch in the feeding hose 1 is improved.

The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a can effectively prevent vacuum loading attachment of dust, includes material loading hose (1), its characterized in that: the lower extreme and the outside vacuum material loading machine of feed hose (1) inhale material tube head pipe connection, the upper end and the inside pipe connection of outside storage section of thick bamboo of feed hose (1) are in the same place, the inside of feed hose (1) is provided with support ring (2), circular slot (3) have been seted up on the outer wall of support ring (2), the inner wall of circular slot (3) is provided with extrusion device (4), fixed mounting has solid fixed ring (23) on the inner wall of feed hose (1), be provided with expansion device (15) on the inner wall of feed hose (1).

2. The vacuum charging device capable of effectively preventing dust according to claim 1, wherein: the pressing device (4) comprises: the device comprises a sliding rod (5), a spring (6), a supporting block (7), a fitting groove (8), an extrusion block (9), a fixed rod (10), a connecting rod (11), a supporting block (12), a spherical groove (13) and a movable ball (14), wherein the sliding rod (5) penetrates through the inside of the circular groove (3), the spring (6) is sleeved on the outer wall of the sliding rod (5), the right end of the spring (6) is fixedly connected with the outer wall of a supporting ring (2), the supporting block (7) is fixedly arranged at the left end of the sliding rod (5), the fitting groove (8) is formed in the outer wall of the supporting ring (2), the extrusion block (9) is movably clamped with the fitting groove (8), the right end of the sliding rod (5) is fixedly connected with the left side wall of the extrusion block (9), the fixed rods (10) are totally two, one ends, close to each other, of the two fixed rods (10) are respectively and fixedly connected with the outer wall of the supporting ring (2), the feeding device is characterized in that the number of the connecting rods (11) is two, the left ends of the two connecting rods (11) are fixedly connected with the right ends of the two fixing rods (10), the number of the supporting pressing blocks (12) is two, the right ends of the two supporting pressing blocks (12) are attached to the inner wall of the feeding hose (1), the number of the spherical grooves (13) is two, and the number of the movable balls (14) is two.

3. The vacuum charging device capable of effectively preventing dust according to claim 2, wherein: the expansion device (15) comprises: a movable ring (16), a connecting rope (17), a connecting block (18), a round shaft (19), a pulley (20) and a driving film (21), the movable ring (16) is positioned inside the feeding hose (1), the number of the connecting ropes (17) is two, the lower ends of the two connecting ropes (17) are respectively and fixedly arranged at the upper end of the movable ring (16), the total number of the connecting blocks (18) is two, one ends of the two connecting blocks (18) close to each other are respectively and fixedly connected with the outer wall of the movable ring (16), the number of the circular shafts (19) is two, the two circular shafts (19) are respectively and fixedly arranged on the rear walls of the two connecting blocks (18), the total number of the pulleys (20) is two, the two pulleys (20) are respectively movably connected with the two circular shafts (19) through movable bearings, the driving film (21) is fixedly arranged on the inner wall of the movable ring (16).

4. The vacuum charging device capable of effectively preventing dust according to claim 3, wherein: the lower extreme fixed mounting of solid fixed ring (23) has magnetic block (22), and magnetic block (22) self has magnetism, two the upper end of connecting rope (17) runs through two magnetic block (22) lower extremes respectively, magnetism adsorbs together on activity ring (16) and magnetic block (22).

5. The vacuum charging device capable of effectively preventing dust according to claim 3, wherein: the left end of the abutting block (7) is attached to the inner wall of the feeding hose (1), the left end of the spring (6) is fixedly connected with the right end of the abutting block (7), and the outer wall surfaces of the two pulleys (20) are respectively attached to the inner wall of the feeding hose (1).

6. The vacuum charging device capable of effectively preventing dust according to claim 2, wherein: the outer wall of two movable ball (14) respectively with the right-hand member fixed connection of two connecting rod (11) be in the same place, two movable ball (14) respectively with the inside activity joint in two spherical grooves (13) be in the same place.