CN212531125U

CN212531125U - Screw machine feed mechanism

Info

Publication number: CN212531125U
Application number: CN202020808832.7U
Authority: CN
Inventors: 孙亿; 周子方; 张华英; 伍雪花
Original assignee: Shanghai Haofeng Concrete Co ltd
Current assignee: Shanghai Haofeng Concrete Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-02-12
Anticipated expiration: 2030-05-14

Abstract

The utility model relates to a screw rod machine feed mechanism belongs to charging equipment technical field, and it includes the hopper, the blanking mouth has been seted up to the hopper below, the blanking mouth sets up conveying mechanism, conveying mechanism is connected with actuating mechanism, conveying mechanism includes the conveyer pipe, the discharge gate has been seted up on the conveyer pipe lateral wall, the conveyer pipe internal rotation is connected with carries the axle, carry epaxial helical blade that is provided with, the hopper internal rotation is connected with the deflector that is located carries the epaxial side, the deflector slope sets up, hopper blanking mouth is provided with the support, the traction lever is worn to be equipped with in the slip on the support, carry epaxial cam that is provided with, traction lever bottom and cam sliding connection, the traction lever top rotates with the deflector and is connected. The utility model has the advantages of difficult jam, the feeding is comparatively stable.

Description

Screw machine feed mechanism

Technical Field

The utility model belongs to the technical field of the charging equipment technique and specifically relates to a screw rod machine feed mechanism is related to.

Background

When cement, grain, fly ash and other non-viscous dry powder materials and small particle materials are conveyed, a screw conveyor is often used for conveying, and when a screw rotates, the materials can only move forwards along the bottom of the conveyor under the pushing of blades due to the gravity of the materials and the friction force generated between the materials and the wall of the groove body.

Chinese patent with the publication number of CN204872957U discloses a screw rod cement tank feeding device, which comprises a cement tank, wherein the bottom end of the cement tank is connected with a conveying mechanism, the conveying mechanism is connected with a transmission mechanism, the conveying mechanism comprises a material cavity, a large screw rod is rotationally connected in the material cavity, the large screw rod is connected with a small screw rod, and a double-layer inverted V-shaped baffle plate positioned above the large screw rod is arranged in the cement tank; the material intracavity is fallen to the material under the effect of gravity to the material in the cement jar, and drive mechanism orders about big screw rod and little screw rod rotatory, and big screw rod and little screw rod carry the material out the material chamber, and the type of falling V baffle enables the material and falls into the material chamber from the baffle both sides, can play the buffering to the material and play the guard action to the screw rod.

The above prior art solutions have the following drawbacks: after setting up the V-arrangement baffle in the cement jar, the cross-sectional area that the cement jar bottom supplies the material to pass through reduces, and the material in the cement jar takes place to arch up easily, the bridging phenomenon, and the material forms an arched material stopper in the export top promptly, causes the uneven even interrupt of feeding, leads to the feeding unstable.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a screw rod machine feed mechanism has difficult jam, the comparatively stable advantage of feeding.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a screw rod machine feed mechanism, includes the hopper, the blanking mouth has been seted up to the hopper below, the blanking mouth sets up conveying mechanism, conveying mechanism is connected with actuating mechanism, conveying mechanism includes the conveyer pipe, the discharge gate has been seted up on the conveyer pipe lateral wall, the conveyer pipe internal rotation is connected with carries the axle, carry epaxial helical blade that is provided with, the hopper internal rotation is connected with and is located the deflector of carrying epaxial side, the deflector slope sets up, the hopper blanking mouth is provided with the support, slide on the support and wear to be equipped with the traction lever, carry epaxial cam that is provided with, traction lever bottom and cam sliding connection, the traction lever top rotates with the deflector to be connected.

Through adopting above-mentioned technical scheme, material in the hopper slides to the conveyer pipe in the deflector slant under the action of gravity in, actuating mechanism orders about and carries the axle rotation, it is rotatory to carry the axle to drive helical blade, helical blade promotes the material and slides in the conveyer pipe, when carrying the material, it is rotatory to carry the axle to drive the cam, and then drive the traction lever at the support reciprocal slip, the traction lever drives the deflector reciprocating rotation, it is not hard up to the material in the hopper, can avoid appearing arching and the phenomenon of bridging in the hopper, make the material in the hopper can be in succession stable from the blanking mouth get into in the conveyer pipe.

The utility model discloses further set up to: the guide plates are arranged in the hopper in two groups, the two guide plates are arranged in an inverted V shape, the top ends of the traction rods are rotatably connected with two groups of connecting rods, and one ends, far away from the traction rods, of the two groups of connecting rods are respectively connected with the two guide plates.

Through adopting above-mentioned technical scheme, the traction lever drives two sets of connecting rods when sliding and removes, and two sets of connecting rods drive two sets of deflectors respectively and rotate, and two sets of deflectors that are the shape of falling V setting can make the material flow to helical blade's both sides respectively, shunts the material, and the material flows more smoothly.

The utility model discloses further set up to: the bottom end of the traction rod is fixedly connected with a clamping seat, two groups of sliding rods are arranged on the clamping seat, the cam is located between the two sliding rods, and annular sliding grooves in sliding fit with the sliding rods are formed in two sides of the cam respectively.

By adopting the technical scheme, when the cam rotates, the sliding rod slides in the annular sliding groove, so that the traction rod can be pushed upwards, and can be pulled to slide downwards, and the situation that the traction rod cannot slide downwards under the action of gravity because materials are clamped between the guide plate and the inner wall of the hopper is avoided.

The utility model discloses further set up to: the slide bar thread penetrates through the clamping seat.

Through adopting above-mentioned technical scheme, the slide bar is worn and torn easily when sliding in the spout, can change the slide bar from the cassette back-out when wearing and tearing are serious, and it is comparatively convenient to change.

The utility model discloses further set up to: and one end of the sliding rod, which is positioned in the annular sliding groove, is provided with a wear-resistant sleeve.

Through adopting above-mentioned technical scheme, wear-resisting cover can further slow down wearing and tearing, makes the life of slide bar longer, reduces the number of times of changing the slide bar, effectively the cost is reduced.

The utility model discloses further set up to: the driving mechanism comprises a motor, the motor is fixed at one end, close to the discharge port, of the conveying pipe, and an output shaft of the motor is coaxially connected with the conveying shaft.

By adopting the technical scheme, the motor and the discharge port are at the same end, so that the conveying shaft is in a favorable tension state, and the conveying shaft is not easy to bend and deform.

The utility model discloses further set up to: the utility model discloses a conveying pipe, including conveyer pipe, apron, cam, apron, the access hole that corresponds with the cam has been seted up on the conveyer pipe lateral wall, the access hole covers there is the apron, the apron passes through the bolt fastening on the conveyer pipe, the apron is provided with the sealing washer towards one side of conveyer pipe.

Through adopting above-mentioned technical scheme, when needs overhaul, take off the bolt and then take off the apron and can stretch into the conveyer pipe with the hand and overhaul mechanisms such as slide bar and cassette, need not to fight and pull down from the conveyer pipe, it is comparatively convenient to use, and the sealing washer can avoid the material to spill from the clearance between apron and the conveyer pipe.

The utility model discloses further set up to: the cover plate is a transparent plate.

Through adopting above-mentioned technical scheme, need not to open the apron, can both directly perceivedly see the material condition of flowing in the conveyer pipe at the in-process of carrying, can in time discover when the material in the hopper finishes will carrying promptly.

To sum up, the utility model discloses a beneficial technological effect does:

1. when materials are conveyed, the conveying shaft drives the cam to rotate, so that the traction rod is driven to slide on the bracket in a reciprocating manner, the traction rod drives the guide plate to rotate in a reciprocating manner, the materials in the hopper are loosened, and the phenomena of arching and bridging in the hopper can be avoided;

2. the slide bar thread is arranged on the clamping seat in a penetrating way, and the slide bar can be screwed out from the clamping seat to be replaced when the slide bar thread is seriously abraded.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is a schematic view showing a connection structure of the guide plate and the cam in FIG. 1;

FIG. 4 is an enlarged partial schematic view of A in FIG. 2;

fig. 5 is a schematic partial cross-sectional view of the delivery tube of fig. 1.

In the figure, 1, a hopper; 2. a blanking port; 3. a delivery pipe; 4. a discharge port; 5. a delivery shaft; 6. a helical blade; 7. a motor; 8. a rotating shaft; 9. a guide plate; 10. a connecting seat; 11. a connecting rod; 12. a draw bar; 13. a support; 14. a cam; 15. an annular chute; 16. a card holder; 17. a slide bar; 18. a baffle plate; 19. a wear-resistant sleeve; 20. an access hole; 21. a cover plate; 22. and (5) sealing rings.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a screw rod machine feed mechanism, including

hopper

1, 1 upper end of hopper is the dog-house, and 1 below of hopper is blanking mouth 2, and blanking mouth 2 is connected with conveyer pipe 3, and 3 both ends terminal surfaces of conveyer pipe seal, and conveyer pipe 3 keeps away from one end of hopper 1 and has seted up discharge gate 4 towards one side on ground.

Coaxial being provided with in conveyer pipe 3 carries axle 5, carry 5 both ends of axle to rotate respectively and connect at conveyer pipe 3 both ends terminal surface, carry fixedly connected with helical blade 6 on the axle 5, the diameter of helical blade 6 is unanimous with 3 internal diameters of conveyer pipe, conveyer pipe 3 keeps away from the one end terminal surface fixed mounting of hopper 1 has motor 7, motor 7 passes through the power cord and is connected with external power source, motor 7's output shaft passes through the shaft coupling and carries 5 coaxial coupling of axle.

Referring to fig. 2 and 3, a rotating shaft 8 is fixed at one end of an inner cavity of a hopper 1 close to a blanking port 2, the rotating shaft 8 is arranged in parallel with a conveying shaft 5, two groups of guide plates 9 are rotatably connected to the rotating shaft 8, the two groups of guide plates 9 are arranged in an inverted V shape, connecting seats 10 are respectively fixed on one surfaces, facing the conveying shaft 5, of the two groups of guide plates 9, connecting rods 11 are rotatably connected to the connecting seats 10, a traction rod 12 is rotatably connected to one end, far away from the connecting seats 10, of each connecting rod 11, a support 13 perpendicular to the rotating shaft 8 is fixed to the blanking port 2 of the hopper 1, the traction rod 12 is vertically arranged and slidably penetrates through the support 13;

referring to fig. 3 and 4, a cam 14 positioned right below a traction rod 12 is fixed on a conveying shaft 5, two sides of the cam 14 are respectively and correspondingly provided with an annular sliding groove 15, a shape-changing clamping groove is an irregular annular shape arranged along the edge of the cam 14, a clamping seat 16 is fixed at the bottom end of the traction rod 12, two groups of sliding rods 17 are coaxially arranged on the clamping seat 16, and the two groups of sliding rods 17 are respectively and slidably connected in the two annular clamping grooves;

when the conveying shaft 5 rotates, the conveying shaft 5 drives the cam 14 to rotate, the sliding rod 17 slides in the annular sliding groove 15, because the annular sliding groove 15 is in an irregular annular shape, the distance between the sliding rod 17 and the axis of the conveying shaft 5 is periodically changed in the rotating process of the cam 14, the traction rod 12 is further driven to slide up and down in a reciprocating mode, the traction rod 12 drives the two groups of connecting rods 11 to move, and the two connecting rods 11 respectively drive the guide plate 9 to rotate around the rotating shaft 8.

The slide bar 17 is threaded on the clamping seat 16, a baffle 18 is fixed at one end of the slide bar 17 far away from the cam 14, when the slide bar 17 is inserted in the annular clamping groove, the baffle 18 is abutted against the side wall of the clamping seat 16, a wear-resistant sleeve 19 is fixed at one end of the slide bar 17 located in the annular clamping groove, and the wear-resistant sleeve 19 is made of polyurethane.

Referring to fig. 5, offer the access hole 20 that corresponds with cam 14 on the conveyer pipe 3 lateral wall, access hole 20 covers has apron 21, and apron 21 is fixed with sealing washer 22 towards one side of conveyer pipe 3, and the apron 21 four corners is respectively through the bolt fastening on conveyer pipe 3, and during the bolt locking, and sealing washer 22 is in the compression state, and apron 21 is transparent ya keli board to the state in the direct observation conveyer pipe 3.

The implementation principle of the embodiment is as follows: the materials in the hopper 1 slide obliquely downwards into the conveying pipe 3 along the guide plate 9 under the action of gravity, the motor 7 is powered on to drive the conveying shaft 5 to rotate, the conveying shaft 5 drives the helical blade 6 to rotate, and the helical blade 6 pushes the materials to slide in the conveying pipe 3 so that the materials are discharged from the discharge port 4;

when materials are conveyed, the conveying shaft 5 drives the cam 14 to rotate, the cam 14 drives the traction rod 12 to slide on the support 13 in a reciprocating mode, the traction rod 12 drives the connecting rod 11 to move, the guide plate 9 is further driven, the rotating shaft 8 rotates in a reciprocating mode, and the materials in the hopper 1 are loosened.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a screw rod machine feed mechanism, includes hopper (1), blanking mouth (2) have been seted up to hopper (1) below, blanking mouth (2) set up conveying mechanism, conveying mechanism is connected with actuating mechanism, conveying mechanism includes conveyer pipe (3), discharge gate (4) have been seted up on conveyer pipe (3) lateral wall, conveyer pipe (3) internal rotation is connected with carries axle (5), be provided with helical blade (6), its characterized in that on carrying axle (5): the feeding device is characterized in that a guide plate (9) located above the conveying shaft (5) is connected to the hopper (1) in a rotating mode, the guide plate (9) is arranged in an inclined mode, a support (13) is arranged on the hopper (1) blanking port (2), a traction rod (12) penetrates through the support (13) in a sliding mode, a cam (14) is arranged on the conveying shaft (5), the bottom end of the traction rod (12) is connected with the cam (14) in a sliding mode, and the top end of the traction rod (12) is connected with the guide plate (9) in a rotating mode.

2. The screw machine feed mechanism of claim 1, wherein: the hopper is characterized in that two groups of guide plates (9) are arranged in the hopper (1), the two groups of guide plates (9) are arranged in an inverted V shape, two groups of connecting rods (11) are rotatably connected to the top end of the traction rod (12), and one ends, far away from the traction rod (12), of the two groups of connecting rods (11) are respectively connected with the two guide plates (9).

3. The screw machine feed mechanism of claim 2, wherein: the bottom end of the traction rod (12) is fixedly connected with a clamping seat (16), two groups of sliding rods (17) are arranged on the clamping seat (16), the cam (14) is located between the two sliding rods (17), and two sides of the cam (14) are respectively provided with an annular sliding groove (15) in sliding fit with the sliding rods (17).

4. A screw machine feed mechanism according to claim 3, characterized in that: the slide rod (17) is threaded on the clamping seat (16).

5. The screw machine feed mechanism of claim 4, wherein: and one end of the sliding rod (17) positioned in the annular sliding groove (15) is provided with a wear-resistant sleeve (19).

6. The screw machine feed mechanism of claim 5, wherein: the driving mechanism comprises a motor (7), the motor (7) is fixed at one end, close to the discharge hole (4), of the conveying pipe (3), and an output shaft of the motor (7) is coaxially connected with the conveying shaft (5).

7. The screw machine feed mechanism of claim 1, wherein: offer on conveyer pipe (3) lateral wall with maintenance mouth (20) that cam (14) correspond, maintenance mouth (20) cover has apron (21), apron (21) pass through the bolt fastening on conveyer pipe (3), apron (21) are provided with sealing washer (22) towards one side of conveyer pipe (3).

8. The screw machine feed mechanism of claim 7, wherein: the cover plate (21) is a transparent plate.