CN221397995U

CN221397995U - Air knife baffle adjusting device

Info

Publication number: CN221397995U
Application number: CN202323503090.XU
Authority: CN
Inventors: 魏一明; 于凤云; 崔广军; 魏守军
Original assignee: TANGSHAN JIAGUAN INDUSTRIAL CO LTD
Current assignee: TANGSHAN JIAGUAN INDUSTRIAL CO LTD
Priority date: 2023-12-21
Filing date: 2023-12-21
Publication date: 2024-07-23
Anticipated expiration: 2033-12-21

Abstract

The utility model relates to the technical field of air knife baffles and provides an air knife baffle adjusting device which comprises a fixed seat, wherein the inner side of the fixed seat is slidably connected with a movable seat, the bottom of the movable seat is provided with a height adjusting mechanism, the height adjusting mechanism comprises two connecting plates, the two connecting plates are slidably connected with side walls on two sides of the fixed seat respectively, the bottom ends of the two connecting plates are rotatably connected with the same rotating shaft, the two ends of the rotating shaft are fixedly connected with a first rotating rod, one ends of the two connecting plates are hinged with a second rotating rod, one ends of the connecting plates are provided with vertical driving parts, and the bottom ends of the first rotating rod are provided with mounting parts. According to the utility model, the rotating shaft can be driven to rotate through the vertical driving piece, so that the two rotating rods rotate simultaneously, and the mounting piece moves in the vertical direction, so that the vertical height of the baffle plate can be adjusted, and the problem that the height of the baffle plate cannot be adjusted in the prior art is solved.

Description

Air knife baffle adjusting device

Technical Field

The utility model relates to the technical field of air knife baffles, in particular to an air knife baffle adjusting device.

Background

In the continuous hot galvanizing production line, "air knives" blow off continuous flat air flow like knives by adopting a pair of slit-shaped nozzles traversing the whole strip steel width, redundant zinc liquid on the strip steel surface, leave a uniform and proper zinc layer on the strip steel surface, and enable the redundant zinc liquid to flow back to a zinc pot, thereby achieving the purpose of reasonably controlling the zinc layer.

Through retrieving, chinese patent publication No. CN206143300U discloses an air knife edge baffle device, which is disposed between an upper knife lip and a lower knife lip of an air knife, and is characterized in that: including limit portion baffle girder, a pair of limit portion baffle, servo drive mechanism, baffle control cable connector, control cable tow chain and controller, each limit portion baffle is fixed in on the limit portion baffle girder movably through setting up corresponding baffle travelling car, and the baffle travelling car is equipped with baffle dolly and removes drive mechanism, and when the steel band zinc-plating, the steel band is placed between two limit portion baffles, and the steel band sets up between last sword lip and lower sword lip with limit portion baffle parallel, and air knife spun air current spouts to steel band and limit portion baffle.

The air knife baffle plate is additionally provided with an on-line adjusting mechanism to adjust the distance between the air knife baffle plate and the edge of the steel belt, but in the actual use process, when the height difference between the liquid level of the zinc pot and the baffle plate is too small, the liquid zinc in the zinc pot is blown up by air flow and splashed onto the steel belt, and bumps are formed after solidification, so that the product quality is directly affected, and the height of the baffle plate cannot be adjusted.

Disclosure of utility model

The utility model provides an air knife baffle plate adjusting device, which solves the problem that the height of a baffle plate cannot be adjusted in the prior art.

The technical scheme of the utility model is as follows: the utility model provides an air knife baffle adjusting device, includes the fixing base, the inboard sliding connection of fixing base has the movable seat, the bottom of movable seat is provided with height adjustment mechanism, height adjustment mechanism includes two connecting plates, two the both ends fixed connection of connecting plate and movable seat bottom, two the connecting plate runs through the lateral wall of fixing base, and extends to the outside of fixing base, two the connecting plate respectively with the lateral wall sliding connection at fixing base both ends, two the connecting plate bottom rotates to be connected with same pivot, the equal fixedly connected with bull stick one in both ends of pivot, two the one end that the movable seat was kept away from to the connecting plate all articulates there is bull stick two with bull stick one parallel arrangement, one of them the one end of connecting plate is provided with the vertical driving piece that is used for driving the pivot pivoted, the bottom of bull stick one is provided with the installed part that is used for installing the baffle.

Preferably, the connecting plate is of an L-shaped structure.

Preferably, a sliding groove matched with the horizontal section of the connecting plate is formed in the side wall of the fixing seat, and the connecting plate can slide along the sliding groove.

Preferably, the vertical driving piece comprises a worm wheel, the worm wheel is fixedly connected with one end of the rotating shaft, one end of the connecting plate is rotatably connected with a vertically penetrating worm, the worm is meshed with the worm wheel, and the top end of the worm is fixedly connected with a first hand wheel.

Preferably, the mounting comprises a mounting seat, the equal fixedly connected with in both ends at mount pad top articulates the seat, two articulated seat rotates with the bottom of corresponding bull stick one, bull stick two respectively, the inboard middle part fixedly connected with baffle of mount pad, the equal fixedly connected with guide bar in both sides of baffle, two the one end that the baffle was kept away from to the guide bar is respectively with the inner wall fixed connection at mount pad both ends, two equal sliding connection has the slider on the guide bar, the slider all runs through the diapire of mount pad, and extends to the below of mount pad, two the slider all with mount pad sliding connection, two the bottom of slider all with baffle fixed connection.

Preferably, the sliding block is of a T-shaped structure, a guide groove matched with the vertical section of the sliding block is formed in the bottom wall of the mounting seat, and the sliding block can slide along the guide groove.

Preferably, the mounting mechanism further comprises a first spring and a second spring, the first spring and the second spring are respectively sleeved on the two guide rods, one end of the first spring is abutted against the partition plate, the other end of the first spring is abutted against the corresponding sliding block, one end of the second spring is abutted against the inner wall of one end of the mounting seat, and the other end of the second spring is abutted against the corresponding sliding block.

Preferably, the inside of fixing base is provided with horizontal driving piece, horizontal driving piece includes the lead screw, the lead screw rotates the top of connecting in the fixing base inboard, and with movable seat threaded connection, the one end fixedly connected with hand wheel two of lead screw, the hand wheel is located the outside of fixing base two bits, the inboard bottom fixedly connected with of fixing base and lead screw parallel arrangement's guide rail, guide rail and movable seat's bottom sliding connection.

The working principle and the beneficial effects of the utility model are as follows:

1. The rotating shaft can be driven to rotate through the vertical driving piece, so that the two rotating rods rotate simultaneously, the mounting piece moves in the vertical direction, the vertical height of the baffle plate can be adjusted, the height difference between the baffle plate and the liquid level of the zinc pot can be adjusted, and the problem that liquid zinc in the zinc pot is blown up and splashed onto strip steel to affect the product quality due to the fact that the height difference between the baffle plate and the liquid level of the zinc pot is too small can be avoided;

2. When the deflection of the steel belt is large, the steel belt contacts with the baffle plate, and the baffle plate is stressed, so that the baffle plate acts on the sliding blocks to enable the sliding blocks to slide along the guide rods, the two sliding blocks respectively act on the first spring and the second spring to enable the first spring and the second spring to be compressed, reverse elastic force is generated after the first spring and the second spring are extruded, the sliding blocks can be buffered, the baffle plate can be buffered, and the problem of deformation of the steel belt caused by overlarge acting force between the baffle plate and the steel belt can be avoided.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a schematic diagram of an air knife baffle adjusting device according to the present utility model;

FIG. 2 is a schematic view of the height adjustment mechanism of the present utility model;

FIG. 3 is a schematic view of the structure of the vertical driving member of the present utility model;

FIG. 4 is a schematic view of the structure of the mounting member of the present utility model;

Fig. 5 is a schematic structural view of a horizontal driving member according to the present utility model.

In the figure: 1. a fixing seat; 11. a chute; 2. a movable seat; 3. a horizontal driving member; 31. a screw rod; 32. a second hand wheel; 33. a guide rail; 4. a height adjusting mechanism; 41. a connecting plate; 42. a first rotating rod; 43. a second rotating rod; 44. a rotating shaft; 45. a vertical driving member; 451. a worm wheel; 452. a worm; 453. a first hand wheel; 46. a mounting member; 461. a mounting base; 462. a hinge base; 463. a partition plate; 464. a guide rod; 465. a slide block; 466. a first spring; 467. a second spring; 468. a guide groove; 6. and a baffle.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-5, this embodiment provides an air knife baffle adjusting device, including fixing base 1, fixing base 1's inboard sliding connection has movable seat 2, the bottom of movable seat 2 is provided with height adjustment mechanism 4, height adjustment mechanism 4 includes two connecting plates 41, two connecting plates 41 respectively with the both ends fixed connection of movable seat 2 bottom, two connecting plates 41 all run through fixing base 1's lateral wall, and extend to fixing base 1's outside, two connecting plates 41 respectively with fixing base 1 both ends lateral wall sliding connection, two connecting plates 41 bottom rotation is connected with same pivot 44, the equal fixedly connected with bull stick one 42 in both ends of pivot 44, two connecting plates 41 keep away from the bull stick two 43 of movable seat 2 parallel arrangement all, one end of one of them connecting plate 41 is provided with the vertical driving piece 45 that is used for driving pivot 44 rotation, the bottom of bull stick one 42 is provided with the mounting piece 46 that is used for installing baffle 6.

The rotating shaft 44 can be driven to rotate through the vertical driving piece 45, so that the first rotating rods 42 rotate synchronously, the mounting piece 46 moves in the vertical direction, the vertical height of the baffle plate 6 can be adjusted, the height difference between the baffle plate 6 and the liquid level of the zinc pot can be adjusted, and the problem that liquid zinc in the zinc pot blows up and splashes onto strip steel to affect the product quality due to the fact that the height difference between the baffle plate 6 and the liquid level of the zinc pot is too small can be avoided.

Further, the vertical driving member 45 includes a worm gear 451, the worm gear 451 is fixedly connected to one end of the rotating shaft 44, one end of the connecting plate 41 is rotatably connected with a vertically penetrating worm 452, the worm 452 is meshed with the worm gear 451, and a first hand wheel 453 is fixedly connected to the top end of the worm 452. The worm 452 can be rotated by rotating the first hand wheel 453, so that the worm wheel 451 drives the rotating shaft 44 to synchronously rotate, so that the first two rotating rods 42 synchronously rotate, and the mounting piece 46 moves in the vertical direction, thus realizing the vertical height adjustment of the baffle 6, and the first rotating rods 42 can be kept fixed after rotating to corresponding angles due to the self-locking property of the worm wheel structure, so that the baffle 6 is kept stable after adjusting the height.

Further, the mounting piece 46 comprises a mounting seat 461, both ends at the top of the mounting seat 461 are fixedly connected with hinging seats 462, the two hinging seats 462 are respectively and rotatably connected with the bottom ends of the first rotary rod 42 and the second rotary rod 43, the middle part of the inner side of the mounting seat 461 is fixedly connected with a partition 463, both sides of the partition 463 are fixedly connected with guide rods 464, one ends of the two guide rods 464 far away from the partition 463 are respectively and fixedly connected with the inner walls at both ends of the mounting seat 461, the two guide rods 464 are respectively and slidably connected with sliding blocks 465, the sliding blocks 465 penetrate through the bottom wall of the mounting seat 461 and extend to the lower part of the mounting seat 461, the two sliding blocks 465 are respectively and slidably connected with the mounting seat 461, the bottom ends of the two sliding blocks 465 are respectively and fixedly connected with a baffle 6, guide grooves 468 matched with the vertical sections of the sliding blocks 465 are formed in the bottom wall of the mounting seat 461, and the sliding blocks 465 can slide along the guide grooves 468;

Further, the mounting mechanism 46 further includes a first spring 466 and a second spring 467, the first spring 466 and the second spring 467 are respectively sleeved on the two guide rods 464, one end of the first spring 466 abuts against the partition 463, the other end of the first spring 466 abuts against the corresponding sliding block 465, one end of the second spring 467 abuts against the inner wall of one end of the mounting seat 461, and the other end of the second spring 467 abuts against the corresponding sliding block 465.

Further, the inside of fixing base 1 is provided with horizontal driving piece 3, and horizontal driving piece 3 includes lead screw 31, and lead screw 31 rotate connect at the inboard top of fixing base 1, and with movable seat 2 threaded connection, the one end fixedly connected with hand wheel two 32 of lead screw 31, hand wheel two 32 are located the outside of fixing base 1, the inboard bottom fixedly connected with of fixing base 1 with lead screw 31 parallel arrangement's guide rail 33, guide rail 33 and the bottom sliding connection of movable seat 2.

Working principle: the screw rod 31 is rotated by rotating the second hand wheel 32, so that the movable seat 2 can translate along the horizontal direction, and the connecting plate 41 can drive the first rotating rod 42 and the mounting seat 461 to translate horizontally, so that the horizontal position of the baffle 6 can be adjusted;

The worm 452 can be rotated by rotating the first hand wheel 453, so that the worm wheel 451 drives the rotating shaft 44 to synchronously rotate, and the first rotating rods 42 are synchronously rotated, so that the mounting piece 46 moves in the vertical direction, the vertical height adjustment of the baffle 6 is realized, and the first rotating rod 42 and the second rotating rod 43 form a parallelogram structure, so that the movable seat 2 cannot rotate to keep a horizontal state after the first rotating rod 42 rotates, the baffle 6 is kept in a state vertical to a steel belt, and liquid zinc in the zinc pot can be effectively prevented from splashing on the steel belt;

When the deflection of the steel belt is large, the steel belt contacts with the baffle 6, and the baffle 6 is stressed, so that the baffle 6 acts on the sliding blocks 465 to slide along the guide rod 464, the two sliding blocks 465 act on the first spring 466 and the second spring 467 respectively to compress the first spring 466 and the second spring 467, and the first spring 466 and the second spring 467 are extruded to generate reverse elastic force, so that the sliding blocks 465 can be buffered, the baffle 6 can be buffered, and the problem of deformation of the steel belt caused by overlarge acting force between the baffle 6 and the steel belt can be avoided.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides an air knife baffle adjusting device, includes fixing base (1), the inboard sliding connection of fixing base (1) has movable seat (2), its characterized in that, the bottom of movable seat (2) is provided with high adjustment mechanism (4), high adjustment mechanism (4) include two connecting plates (41), two connecting plates (41) respectively with the both ends fixed connection of movable seat (2) bottom, two connecting plates (41) all run through the lateral wall of fixing base (1) and extend to the outside of fixing base (1), two connecting plates (41) respectively with the lateral wall sliding connection at fixing base (1) both ends, two connecting plates (41) bottom rotation is connected with same pivot (44), the equal fixedly connected with bull stick one (42) of both ends of pivot (44), two the one end that movable seat (2) were kept away from to connecting plates (41) all articulates has bull stick two (43) with bull stick one (42) parallel arrangement, one of connecting plates (41) one end is provided with and is used for driving pivot (44) pivoted vertical drive piece (45), one (42) is provided with the bottom (46) that are used for installing baffle (46).

2. An air knife baffle adjustment device according to claim 1, characterized in that the connection plate (41) is of L-shaped construction.

3. The air knife baffle adjusting device according to claim 2, wherein a chute (11) matched with the horizontal section of the connecting plate (41) is formed in the side wall of the fixed seat (1), and the connecting plate (41) can slide along the chute (11).

4. An air knife baffle adjusting device according to claim 1, wherein the vertical driving member (45) comprises a worm wheel (451), the worm wheel (451) is fixedly connected to one end of the rotating shaft (44), one end of the connecting plate (41) is rotatably connected with a vertically penetrating worm (452), the worm (452) is meshed with the worm wheel (451), and a first hand wheel (453) is fixedly connected to the top end of the worm (452).

5. The air knife baffle adjusting device according to claim 4, wherein the mounting piece (46) comprises a mounting seat (461), both ends at the top of the mounting seat (461) are fixedly connected with hinge seats (462), two hinge seats (462) are respectively connected with the bottom ends of a first rotating rod (42) and a second rotating rod (43) in a rotating mode, a partition plate (463) is fixedly connected with the middle portion of the inner side of the mounting seat (461), guide rods (464) are fixedly connected with both sides of the partition plate (463), one ends, far away from the partition plate (463), of the guide rods (464) are respectively fixedly connected with inner walls at both ends of the mounting seat (461), sliding blocks (465) are connected with the two guide rods (464) in a sliding mode, the sliding blocks (465) penetrate through the bottom wall of the mounting seat (461) and extend to the lower portion of the mounting seat (461), the two sliding blocks (465) are respectively connected with the mounting seat (461) in a sliding mode, and the bottom ends of the two sliding blocks (465) are respectively connected with the baffle plate (6).

6. The air knife baffle adjusting device according to claim 5, wherein the sliding block (465) is of a T-shaped structure, a guide groove (468) matched with the vertical section of the sliding block (465) is formed in the bottom wall of the mounting seat (461), and the sliding block (465) can slide along the guide groove (468).

7. The air knife baffle adjusting device according to claim 6, wherein the mounting member (46) further comprises a first spring (466) and a second spring (467), the first spring (466) and the second spring (467) are respectively sleeved on the two guide rods (464), one end of the first spring (466) is abutted against the partition plate (463), the other end of the first spring (466) is abutted against the corresponding sliding block (465), one end of the second spring (467) is abutted against the inner wall of one end of the mounting seat (461), and the other end of the second spring (467) is abutted against the corresponding sliding block (465).

8. The air knife baffle adjusting device according to claim 1, wherein a horizontal driving piece (3) is arranged on the inner side of the fixed seat (1), the horizontal driving piece (3) comprises a screw rod (31), the screw rod (31) is rotationally connected to the top end of the inner side of the fixed seat (1) and is in threaded connection with the movable seat (2), a hand wheel II (32) is fixedly connected to one end of the screw rod (31), the hand wheel II (32) is located on the outer side of the fixed seat (1), a guide rail (33) which is parallel to the screw rod (31) is fixedly connected to the bottom end of the inner side of the fixed seat (1), and the guide rail (33) is in sliding connection with the bottom end of the movable seat (2).