CN113320940A

CN113320940A - Screw feeder for steel preparation

Info

Publication number: CN113320940A
Application number: CN202110465418.XA
Authority: CN
Inventors: 林建洪
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-08-31

Abstract

The invention discloses a screw feeder for preparing steel, which structurally comprises a main body, supporting legs and a feeding box, wherein the supporting legs are arranged at the bottom end of the main body, the feeding box is positioned at the front end of the main body, the main body comprises a feeding pipe, a discharging pipe, a threaded rod, a feeding port and a scrap storage block, the threaded rod comprises a threaded body, a material guiding device and a material screening device, the material guiding device comprises a bottom plate, a frame, a partition plate and a filter material hole, the partition plate comprises a plate body, a rebound groove, a rebound sheet and an elastic strip, the rebound groove comprises a concave groove, an elastic plate, a supporting bar and a cavity, the invention utilizes the partition plate to rotate along with the material guiding device so as to drive iron ore with larger volume to move upwards for feeding, make the less mineral bits of volume can follow the filter material hole and fall to storing up the bits piece and concentrate, let the mineral bits of arranging the feed pipe bottom in and can both be discharged, avoid the mineral bits to plug up the condition that iron ore carried out the material.

Description

Screw feeder for steel preparation

Technical Field

The invention relates to the technical field of steel preparation, in particular to a screw feeder for steel preparation.

Background

The screw feeder runs reliably in the production process of an enterprise, is particularly suitable for continuous material proportioning in industries such as building materials, metallurgy, electric power and chemical industry, can effectively improve the production efficiency of the enterprise, and needs to convey iron minerals to a high-temperature furnace for melting in the process of preparing steel, so that the iron minerals need to be conveyed through the screw feeder, and the working strength of workers is reduced.

Based on the findings of the inventor, the prior screw feeder for preparing the steel mainly has the following defects, for example: iron ore is through smashing when carrying out the pay-off through the screw feeder, and the hob is rotatory can produce a large amount of mineral fillings with iron ore friction, because the volume of mineral fillings is less than the clearance between hob and the pipeline for the mineral fillings receive self gravity to influence can concentrate on the bottom of pipeline, lead to entering into the iron ore of pipeline through the feed inlet and receive the jam of mineral fillings, cause the condition that the iron ore pay-off was interrupted.

Disclosure of Invention

Aiming at the problems, the invention provides a screw feeder for preparing steel.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a screw feeder for steel preparation, its structure includes main part, supporting legs, feeding case, the bottom of main part is equipped with the supporting legs, the feeding case is located the front end of main part, the main part includes feeder tube, discharging pipe, threaded rod, leads to the material mouth, stores up the bits piece, the top rear end of feeder tube is equipped with the discharging pipe, the inside at the feeder tube is installed to the threaded rod, lead to the material mouth and be located the junction of feeding case and feeder tube, store up the bottom that the bits piece block-locked in the feeder tube.

Further, the threaded rod comprises a threaded body, a material guiding device and a material sieving device, the threaded body is arranged inside the feeding pipe, the material guiding device is embedded at the rear end of the threaded body, the material sieving device is connected to the bottom of the material guiding device, and the material sieving device is movably clamped with the feeding pipe.

Further, the guide device includes bottom plate, frame, baffle, filter material hole, the bottom plate inlays admittedly in the bottom of screw thread body, the frame is located the side of bottom plate, the baffle is equipped with eight, and arranges in the up end of bottom plate around, the filter material hole is equipped with more than eight, and sets up the terminal surface at the bottom plate, it is 45 degrees to form the contained angle between baffle and the bottom plate.

Further, the baffle includes plate body, bounce-back groove, bounce-back piece, elasticity strip, the plate body inlays the up end at the bottom plate, the bounce-back groove is equipped with more than four, and transverse arrangement in the up end of plate body, the top at the plate body is inlayed to the bounce-back piece, the one end of elasticity strip is connected in the end of bounce-back piece, and the other end connects in the top of plate body, the elasticity strip is the spring steel material, and the shape is the zigzag form, has better elasticity.

Further, bounce-back groove is including depressed groove, elastic plate, support bar, cavity, the depressed groove sets up the inboard in bounce-back groove, elastic plate is equipped with two, and builds in respectively at the both ends of depressed groove, the support bar is equipped with two, and builds in respectively at the rear end face of elastic plate, the cavity is located the inside of support bar, the support bar is the rubber material.

Further, the sieve material device includes connecting rod, bracing piece, fixed frame, block groove, filter material board, the connecting rod inlays in the bottom of guide device, the bracing piece is equipped with four, and arranges in the side of connecting rod around, the inboard of fixed frame is connected with the end of bracing piece, the block groove is located the outside of fixed frame, the filter material integrated circuit board fits between two liang of bracing pieces, the bottom looks block of block groove and feeder pipe.

Further, the bracing piece includes supporter, outer draw-in groove, interior draw-in groove, buffer, be equipped with outer draw-in groove in the middle of the inside of supporter is positive, interior draw-in groove is located the both ends of outer draw-in groove, the upper and lower both ends of draw-in groove including buffer sets up, filter plate and interior draw-in groove looks block.

Further, buffer includes supporting seat, movable groove, block pole, roof, rubber pad, reset spring, the upper end both sides of draw-in groove including the supporting seat inlays admittedly, the movable groove is located the bottom both ends of supporting seat, the block pole is equipped with two, and blocks respectively in the inside of movable groove, the roof inlays admittedly in the bottom of block pole, the rubber pad inlays admittedly in the bottom terminal surface of roof, reset spring is equipped with two, and sets up respectively in the top centre of roof to be connected with the bottom of supporting seat, reset spring and roof clearance fit.

Advantageous effects

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the baffle plate rotates along with the material guide device to drive the iron ore with larger volume to move upwards for feeding, so that the ore scraps with smaller volume can fall from the filter material holes to the scrap storage block for concentration, the ore scraps arranged at the bottom end of the feeding pipe can be discharged, and the condition that the iron ore is blocked by the ore scraps for feeding is avoided.

2. According to the invention, the connecting rod is driven to rotate along with the material guide device, so that the screening device is driven to rotate, mineral scraps arranged on the end surface of the filter plate can be filtered, and the condition that the feeding of iron ore is blocked due to the fact that the mineral scraps are accumulated at the bottom of the feeding pipe is avoided.

Drawings

FIG. 1 is a schematic structural view of a screw feeder for steel production according to the present invention.

Fig. 2 is a schematic front view of the main body of the present invention.

Fig. 3 is a front view of the threaded rod of the present invention.

Fig. 4 is a schematic cross-sectional structure view of the material guiding device of the present invention.

FIG. 5 is a schematic cross-sectional view of the separator of the present invention.

Fig. 6 is a schematic sectional structure view of the bounce groove of the present invention.

Fig. 7 is a schematic top view of the sieving apparatus of the present invention.

Fig. 8 is a schematic front view of the support rod of the present invention.

Fig. 9 is a schematic front view of the buffering device of the present invention.

In the figure: the feeding device comprises a main body 1, supporting feet 2, a feeding box 3, a feeding pipe 11, a discharging pipe 12, a threaded rod 13, a material passing port 14, a scrap storage block 15, a threaded body 131, a material guiding device 132, a screening device 133, a bottom plate a1, a frame a2, a partition plate a3, a filter material hole a4, a plate body a31, a rebounding groove a32, a rebounding sheet a33, an elastic strip a34, a concave groove b1, an elastic plate b2, a supporting strip b3, a cavity b4, a connecting rod c1, a supporting rod c2, a fixing frame c3, a clamping groove c4, a filter material plate c5, a supporting body c21, an outer clamping groove c22, an inner clamping groove c23, a buffering device c24, a supporting seat d1, a movable groove d2, a clamping rod d3, a top plate d4, a rubber pad d5 and a reset spring d 6.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

The first embodiment is as follows: referring to fig. 1-6, the embodiments of the present invention are as follows:

its structure includes main part 1, supporting legs 2, feeding case 3, the bottom of main part 1 is equipped with supporting legs 2, feeding case 3 is located the front end of main part 1, main part 1 includes feeder pipe 11, discharging pipe 12, threaded rod 13, leads to material mouth 14, stores up bits piece 15, the top rear end of feeder pipe 11 is equipped with discharging pipe 12, threaded rod 13 is installed in the inside of feeder pipe 11, lead to material mouth 14 and be located the junction of feeding case 3 and feeder pipe 11, store up 15 blocks of bits in the bottom of feeder pipe 11.

Threaded rod 13 includes screw body 131, guide device 132, sieve device 133, screw body 131 sets up the inside at feed pipe 11, guide device 132 inlays the rear end at screw body 131, sieve device 133 is connected in the bottom of guide device 132, sieve device 133 and feed pipe 11 activity block are favorable to following guide device 132 through sieve device 133 and rotate to the bits of ore screening that will arrange in the feed pipe 11 bottom falls in storing up bits piece 15, makes and lets the great garrulous ore of volume also can be led by guide device 132 up the end.

Guide device 132 includes bottom plate a1, frame a2, baffle a3, filter material hole a4, bottom plate a1 inlays the bottom at screw body 131, frame a2 is located bottom plate a 1's side, baffle a3 is equipped with eight, and encircle and arrange in bottom plate a 1's up end, filter material hole a4 is equipped with more than eight, and sets up the terminal surface at bottom plate a1, it is 45 degrees to form the contained angle between baffle a3 and the bottom plate a1, is favorable to following guide device 132 through baffle a3 and rotates thereby drive the great iron ore of volume and upwards remove the feed, lets the less ore deposit bits of volume can drop to storage bits piece 15 from filter material hole a4 and concentrate.

The partition plate a3 comprises a plate body a31, a rebound groove a32, rebound pieces a33 and elastic strips a34, wherein the plate body a31 is embedded and fixed on the upper end face of a bottom plate a1, the rebound groove a32 is provided with more than four elastic pieces, the elastic pieces a33 are transversely arranged on the upper end face of the plate body a31, the rebound pieces a33 are embedded and fixed on the top end of the plate body a31, one end of each elastic strip a34 is connected to the tail end of the rebound piece a33, the other end of each elastic strip a34 is connected to the top end of the plate body a31, the elastic strips a34 are made of spring steel and are zigzag in shape, and have good elasticity, so that the elasticity of the elastic strips a34 drives the rebound pieces a33 to reset, and the rebound pieces a33 can rebound the iron ore arranged at the top end of the plate body a31 upwards, and enable the iron ore to move upwards to feed along with the screw body 131.

Bounce-back groove a32 includes depressed slot b1, elastic plate b2, support bar b3, cavity b4, depressed slot b1 sets up the inboard at bounce-back groove a32, elastic plate b2 is equipped with two, and inlays respectively at the both ends of depressed slot b1, support bar b3 is equipped with two, and inlays respectively and firmly at the rear end face of elastic plate b2, cavity b4 is located the inside of support bar b3, support bar b3 is the rubber material, is favorable to through the elasticity drive elastic plate b2 that support bar b3 self has and resets for iron ore can take place the bounce-back to the terminal surface that elastic plate b2 is striae to the iron ore striking, drives the iron ore bullet to feed through the line body 131 to the upper end.

Based on the above embodiment, the specific working principle is as follows: when the screw rod rotates and the iron ore rubs to generate a large amount of mineral scraps, the iron ore entering the pipeline through the feeding hole is blocked by the mineral scraps and can not be fed normally, the threaded rod 13 can be used for driving the iron ore to move upwards, so that the iron ore can flow into the high-temperature melting furnace from the discharging pipe 12, the screening device 133 is used for rotating along with the material guiding device 132, the mineral scraps arranged at the bottom end of the feeding pipe 11 are screened and dropped into the scrap storage block 15, the crushed ore with larger volume can be guided upwards by the material guiding device 132, an included angle of 45 degrees is formed between the partition plate a3 and the bottom plate a1, the partition plate a3 can rotate along with the material guiding device 132 to drive the iron ore with larger volume to move upwards for feeding, the mineral scraps with smaller volume can drop into the scrap storage block 15 from the filter material hole a4 for concentration, and the elastic driving the elastic strip a33 to reset by the elastic strip a34, make anti-shrapnel a33 can be with arranging the iron ore rebound up on plate body a31 top in, make iron ore can follow the screw body 131 and move the feed up, set up support bar b3 into the rubber material at last, the elasticity that can let support bar b3 self have drives elastic plate b2 and resets, make iron ore striking elastic plate b 2's terminal surface can take place the rebound, it feeds through screw body 131 to drive the iron ore bullet to move the upper end, let the detritus of arranging in the feeder pipe 11 bottom in can both be discharged, avoid the detritus to plug up the condition that iron ore carried out the material.

Example two: referring to fig. 7-9, the embodiment of the present invention is as follows:

the screening device 133 includes connecting rod c1, bracing piece c2, fixed frame c3, block groove c4, filter material board c5, connecting rod c1 inlays in the bottom of guide device 132, bracing piece c2 is equipped with four, and arranges in the side of connecting rod c1 around, the inboard of fixed frame c3 is connected with the end of bracing piece c2, block groove c4 is located the outside of fixed frame c3, filter material board c5 block is between two liang of bracing pieces c2, the bottom looks block of block groove c4 and feed pipe 11 is favorable to being connected through the bottom of connecting rod c1 with guide device 132 to drive the screening device 133 and rotate, make the bits of ore of arranging filter material board c5 terminal surface in can be filtered.

The bracing piece c2 includes supporter c21, outer draw-in groove c22, interior draw-in groove c23, buffer c24, be equipped with outer draw-in groove c22 in the middle of supporter c 21's the inside is positive, interior draw-in groove c23 is located outer draw-in groove c 22's both ends, buffer c24 sets up the upper and lower both ends of inner draw-in groove c23, filter plate c5 and interior draw-in groove c23 block mutually, are favorable to through the terminal surface of mineral bits impact filter plate c5, let filter plate c5 can reciprocate in draw-in groove c23 is inside, make filter plate c5 can obtain the buffering through buffer c 24.

The buffer device c24 comprises a support seat d1, a movable groove d2, a clamping rod d3, a top plate d4, a rubber pad d5 and a return spring d6, the support seat d1 is embedded in two sides of the upper end of the inner clamping groove c23, the movable groove d2 is located at two ends of the bottom of the support seat d1, two clamping rods d3 are arranged and respectively clamped in the movable groove d2, the top plate d4 is embedded in the bottom of the clamping rod d3, the rubber pad d5 is embedded in the bottom end face of the top plate d4, two return springs d6 are arranged and respectively arranged in the middle of the top plate d4 and connected with the bottom end of the support seat d1, the return spring d6 is movably matched with the top plate 596d 4, and is favorable for returning to the top plate d4 through the return spring d6, so that when mineral debris falls down and impacts the filter plate c5, the buffer device can be buffered.

Based on the above embodiment, the specific working principle is as follows: utilize the bottom looks block of block groove c4 and feeder tube 11, can let connecting rod c1 follow guide device 132's rotation, thereby it rotates to drive sieve material device 133, make the mineral aggregate of arranging filter plate c5 terminal surface in can be filtered, the terminal surface of rethread mineral aggregate impact filter plate c5, draw-in groove c23 inside reciprocates including letting filter plate c5 can, make filter plate c5 can obtain the buffering through buffer c24, utilize reset spring d6 and roof d4 movable fit at last, can let reset spring d6 and withstand roof d4, can obtain the buffering when making the mineral aggregate drop and strike filter plate c5, avoid filter plate c5 to receive the striking condition that the damage appears for a long time.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a screw feeder for steel preparation, its structure includes main part (1), supporting legs (2), feeding case (3), the bottom of main part (1) is equipped with supporting legs (2), feeding case (3) are located the front end of main part (1), its characterized in that:

main part (1) is including feed pipe (11), discharging pipe (12), threaded rod (13), logical material mouth (14), storage bits piece (15), the top rear end of feed pipe (11) is equipped with discharging pipe (12), the inside at feed pipe (11) is installed in threaded rod (13), lead to material mouth (14) and be located the junction of feed box (3) and feed pipe (11), store up bits piece (15) block in the bottom of feed pipe (11).

2. The screw feeder for steel preparation according to claim 1, characterized in that: the threaded rod (13) comprises a threaded body (131), a material guide device (132) and a material screening device (133), the threaded body (131) is arranged inside the feeding pipe (11), the material guide device (132) is embedded at the rear end of the threaded body (131), and the material screening device (133) is connected to the bottom of the material guide device (132).

3. A screw feeder for steel preparation according to claim 2, characterised in that: guide device (132) include bottom plate (a1), frame (a2), baffle (a3), filter material hole (a4), bottom plate (a1) are inlayed in the bottom of screw body (131), frame (a2) are located the side of bottom plate (a1), baffle (a3) are equipped with eight, and arrange around the up end in bottom plate (a1), filter material hole (a4) are equipped with more than eight, and set up the terminal surface at bottom plate (a 1).

4. A screw feeder for steel preparation according to claim 3, characterised in that: baffle (a3) is including plate body (a31), bounce-back groove (a32), bounce-back piece (a33), elasticity strip (a34), plate body (a31) inlays the up end at bottom plate (a1), bounce-back groove (a32) are equipped with more than four, and transverse arrangement in the up end of plate body (a31), bounce-back piece (a33) inlays the top at plate body (a31), the one end of elasticity strip (a34) is connected in the end of bounce-back piece (a33), and the other end is connected in the top of plate body (a 31).

5. A screw feeder for steel preparation according to claim 4, characterised in that: bounce groove (a32) is including depressed slot (b1), elastic plate (b2), support bar (b3), cavity (b4), depressed slot (b1) sets up the inboard in bounce groove (a32), elastic plate (b2) are equipped with two, and inlay the both ends at depressed slot (b1) respectively, support bar (b3) are equipped with two, and inlay the rear end face at elastic plate (b2) respectively, cavity (b4) is located the inside of support bar (b 3).

6. A screw feeder for steel preparation according to claim 3, characterised in that: sieve material device (133) include connecting rod (c1), bracing piece (c2), fixed frame (c3), block groove (c4), filter material board (c5), connecting rod (c1) are embedded in the bottom of guide device (132), bracing piece (c2) are equipped with four, and encircle and arrange in the side of connecting rod (c1), the inboard of fixed frame (c3) is connected with the end of bracing piece (c2), block groove (c4) is located the outside of fixed frame (c3), filter material board (c5) block between two liang of bracing pieces (c 2).

7. A steel preparation screw feeder according to claim 6, characterized in that: the bracing piece (c2) includes supporter (c21), outer draw-in groove (c22), interior draw-in groove (c23), buffer (c24), be equipped with outer draw-in groove (c22) in the middle of the inside of supporter (c21) is positive, interior draw-in groove (c23) is located the both ends of outer draw-in groove (c22), buffer (c24) sets up the upper and lower both ends of interior draw-in groove (c 23).

8. A screw feeder for steel preparation according to claim 7, characterised in that: buffer (c24) includes supporting seat (d1), activity groove (d2), block pole (d3), roof (d4), rubber pad (d5), reset spring (d6), the upper end both sides of draw-in groove (c23) are consolidated in supporting seat (d1) inlays, activity groove (d2) is located the bottom both ends of supporting seat (d1), block pole (d3) are equipped with two, and block respectively in the inside of activity groove (d2), roof (d4) inlays the bottom at block pole (d3), rubber pad (d5) inlays the bottom terminal surface in roof (d4), reset spring (d6) are equipped with two, and set up respectively in the top centre of roof (d4) to be connected with the bottom of supporting seat (d 1).