CN112481573B

CN112481573B - Air knife edge baffle plate assembly

Info

Publication number: CN112481573B
Application number: CN202011508449.0A
Authority: CN
Inventors: 吴敏达; 吴耀清
Original assignee: Jiangyin Huada Machinery Technology Co ltd
Current assignee: Jiangyin Huada Machinery Technology Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2023-02-17
Anticipated expiration: 2040-12-18
Also published as: CN112481573A

Abstract

The invention discloses an air knife edge baffle assembly which comprises a fixed plate and a pair of edge baffles arranged on two sides of the fixed plate respectively, wherein a ball screw and a linear guide rail parallel to the ball screw are fixedly and horizontally arranged on two sides of the fixed plate, the two edge baffles are arranged on the fixed plate in a sliding manner through follow-up conveying plates movably arranged on the fixed plate respectively, the follow-up conveying plates can move along the linear guide rail, nut sleeves are arranged on the ball screw, power transmission plates are connected onto the nut sleeves, a flexible device is arranged between the follow-up conveying plates and the power transmission plates, and the ball screw is driven by a servo motor. The edge baffle assembly of the air knife is ingenious in structure, flexible and reliable, when the ball screw is blocked due to splashed zinc, the adjustment is convenient and quick through the flexible device, the damage to steel belts and equipment and the occurrence of safety accidents can be effectively avoided, the hot plating of the steel belts does not need to be stopped in the middle process, and the practicability is high.

Description

Air knife edge baffle assembly

Technical Field

The invention belongs to the technical field of steel strip aluminizing/zinc equipment, and particularly relates to an air knife edge baffle assembly which is convenient to use, flexible to adjust and high in safety.

Background

At present, hot-dip galvanized steel sheets and hot-dip aluminum-zinc steel sheets have good corrosion resistance and beautiful surface quality, are cheap and good, and are widely applied to various industries around the world. When hot dip galvanizing and aluminum zinc plating steel plates are produced, in the process that a steel strip rises from a zinc pot through an air knife opening, because the width of the steel strip is generally smaller than the width of the opening lip of the air knife, the air flow outside the edge of the steel strip forms opposite impact, the air flow on the edge of the steel strip is disordered, the zinc scraping capability of the air knife on the edge of the steel strip is reduced, and finally a zinc layer on the edge of the galvanized steel strip is thickened, so that the quality of the galvanized or aluminum zinc plating steel plates is reduced, the competitiveness of products on the market is reduced, and the economic benefit of enterprises is damaged. In order to solve the problem of thickening of the edge coating of the steel strip in the production process of hot galvanizing or aluminum-zinc plating and improve the quality of the galvanized or aluminum-zinc plated steel plate, the existing mechanical equipment needs to be improved.

In the prior art, the steel strip is in the process of continuous hot-dip aluminum-zinc plating, after the steel strip enters a zinc pot, the thickness of a zinc layer is controlled by an air knife, a baffle which can be flexibly adjusted is arranged beside the air knife, so that the thickness of the zinc layer on the steel strip is kept consistent, the baffle is moved by a lead screw to be adjusted, zinc without solidification is easy to splash into the lead screw, the lead screw is blocked, the movement of the baffle is limited, and manual trimming can be carried out after equipment cooling is needed due to high hot-dip temperature, so that the smoothness of operation is influenced.

Disclosure of Invention

In order to solve the technical problem, the invention provides an edge baffle assembly of an air knife, which has a flexible and reliable structure.

In order to realize the purpose, the structure adopted by the invention is as follows:

air knife limit baffle assembly, including the fixed plate with set up a pair of limit portion baffle on fixed plate both sides respectively, the fixed plate both sides, equal fixed level is equipped with ball screw and the linear guide with ball screw parallel arrangement, and two limit portion baffles slide the setting on the fixed plate through the follow-up conveying board that the activity set up on the fixed plate respectively, follow-up conveying board can follow linear guide and remove, be equipped with the nut cover on the ball screw, the nut is sheathe in and is connected with the power transmission board, be equipped with the activity device between follow-up conveying board and the power transmission board for realize following up conveying board and the power transmission board driven by ball screw between be connected and the disconnection, ball screw drives through servo motor for realize driving the removal of limit portion baffle.

Preferably, the starting device is a vertical starting device, the vertical starting device comprises a unhooking structure, and the unhooking structure penetrates through the follow-up conveying plate and is connected to the power conveying block; the unhooking structure includes L type switching-over piece, and follow-up conveying board is connected through the pivot in L type switching-over piece corner, and L type switching-over piece one end is provided with the pothook, and the pothook inner hook has a pull rod, and a dropout piece is connected to the pull rod, and the dropout piece tip is equipped with a C type clamp, and in the recess that power conveying piece one side set up was gone into to C type clamp card, be equipped with a plurality of pressure springs between C type clamp and the follow-up conveying board, is equipped with the locating pin in the pressure spring.

Preferably, a sliding guide plate is further arranged between the edge baffle and the follow-up conveying plate, the edge baffle is fixedly connected with the sliding guide block, a worm and gear mechanism is further arranged behind the follow-up conveying plate, the other end of the worm and gear mechanism is connected to the sliding guide plate through a connecting block and used for driving the sliding guide plate to move up and down through rotation of the worm and gear mechanism, and then the upper position and the lower position of the edge baffle are adjusted.

As preferred, the device of making an event is horizontal device of making an event, horizontal device of making an event is including setting up the hasp cotter plate at follow-up conveying board, the rear end connection of hasp cotter plate is provided with the round pin and detains the pull rod, the rear end of round pin knot pull rod is provided with the dwang and rotates the piece of drawing, the dwang activity is fixed to be set up on follow-up conveying board, dwang and round pin knot pull rod draw the piece through rotating and carry out fixed connection, be provided with the spout on the up end of hasp cotter plate, be provided with the circle concave point in the spout, follow-up conveying board is connected with the power transmission board in inserting the power transmission board through the front end of hasp cotter plate.

Preferably, the power transmission plate is internally provided with spring balls matched with the round concave points.

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

the air knife edge baffle assembly is ingenious in structure, flexible and reliable, when the ball screw is stuck due to splashed zinc, the follow-up conveying plate is separated from the power conveying block driven by the ball screw through the flexible device, the edge baffle can be moved away to the left side and the right side after the follow-up conveying plate is separated from the power conveying block, so that the situation that a steel belt possibly collides with the edge baffle is avoided, after the stuck fault is eliminated, the follow-up conveying plate is connected with the power conveying block through the flexible device, the ball screw can be continuously linked to drive the edge baffle to move for use again, the adjustment is convenient and rapid, the damage to the steel belt and equipment and the occurrence of safety accidents can be effectively avoided, the hot plating of the steel belt does not need to stop in the middle process, the practicability is high, and the popularization value is achieved.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic perspective view of embodiment 1 of the present invention;

FIG. 2 is a schematic elevation view of the structure of FIG. 1;

FIG. 3 is a rear view of the structure of FIG. 1;

FIG. 4 is a schematic perspective view of a unhooking structure in example 1 of the present invention

FIG. 5 is a schematic view of the overall structure of embodiment 2 of the present invention;

FIG. 6 is a schematic side view of example 2 of the present invention;

fig. 7 is a partial structure view of fig. 6.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

Example 1

An air knife edge baffle assembly as shown in fig. 1-4 comprises a fixed plate 1 and a pair of edge baffles 2 respectively arranged on two sides of the fixed plate 1, wherein ball screws 3 and linear guide rails 4 parallel to the ball screws 3 are horizontally arranged on two sides of the fixed plate 1 in a fixed mode, the two edge baffles 2 are respectively arranged on the fixed plate 1 in a sliding mode through follow-up conveying plates 5 movably arranged on the fixed plate 1, the follow-up conveying plates 5 can move along the linear guide rails 4, nut sleeves are arranged on the ball screws 3, power transmission plates 6 are connected onto the nut sleeves, a movement device is arranged between the follow-up conveying plates 5 and the power transmission plates 6 and used for achieving connection and disconnection between the follow-up conveying plates 5 and the power transmission plates 6 driven by the ball screws 3, and the ball screws 3 are driven by servo motors 7 and used for achieving left and right movement of driving the edge baffles 2.

The dynamic token device is a vertical dynamic token device, and comprises a unhooking structure which penetrates through the follow-up transmission plate 5 and is connected to the power transmission block 6; the unhooking structure includes L type switching-over

piece

11, 11 corners of L type switching-over piece connect follow-up conveying board 5 through

pivot

12, 11 one end of L type switching-over piece is provided with pothook 13, pothook 13 internal hook has a pull rod 14, a trip block 15 is connected to pull rod 14, trip block 15 tip is equipped with a C type clamp 16, C type clamp 16 card is gone into in the recess that power conveying piece 6 one side set up, be equipped with a plurality of pressure springs 17 between C type clamp 16 and the follow-up conveying board 5, be equipped with the locating pin in the pressure spring 17.

After the ball screw is blocked due to splashing zinc, the unhooking structure is pulled to separate the follow-up conveying plate 5 from the power transmission plate 6, the edge baffle can be moved away to the left side and the right side after the follow-up conveying plate is separated from the power transmission plate, so that the situation that the steel belt possibly collides with the edge baffle can be avoided, after the blockage fault is eliminated, the follow-up conveying plate and the power transmission block are connected through the flexible command device, and the ball screw can be continuously linked to drive the edge baffle to move for use again.

More preferably, between limit portion baffle 2 and follow-up conveying board 5, still be equipped with slide guide plate 8, limit portion baffle 2 and slide guide block 8 fixed connection, still be equipped with worm gear mechanism 9 behind the follow-up conveying board 5, the other end of worm gear mechanism 9 is connected to slide guide plate 8 through the connecting block for through the rotation of worm gear drive slide guide plate 8 reciprocate, and then drive the upper and lower position control of limit portion baffle 2.

Example 2

As shown in fig. 5-7, the movement device is a horizontal movement device, and other characteristics are the same as those of the embodiment 1.

Horizontal type play device is including setting up at the hasp cotter 25 of follow-up conveying board 5, the rear end connection of hasp cotter 25 is provided with round pin knot pull rod 20, the rear end of round pin knot pull rod 20 is provided with dwang 21 and rotates and draws piece 22, dwang 21 activity is fixed to be set up on follow-up conveying board 5, dwang 21 and round pin knot pull rod 20 draw piece 22 through rotating and carry out fixed connection, be provided with spout 24 on the up end of hasp cotter 25, be provided with round concave point 23 in the spout 24, follow-up conveying board 5 is connected with power transmission board 6 in inserting power transmission board 6 through the front end of hasp cotter 25.

And spring balls matched with the round concave points 23 are arranged in the power transmission plate 6.

In the use, edge baffle 2 sets up on follow-up driving plate 5, servo motor 7 drive ball screw 3 rotates, thereby drive power transmission plate 6 and remove on ball screw 3, thereby drive follow-up driving plate 5 and remove on linear guide 4, if when equipment breaks down, in order to prevent edge baffle 2 and steel band 30 striking, accessible pulling rotates the pull block 22, make to rotate the pull block 22 and remove backward, thereby pull out the front end of hasp cotter 25 from power transmission plate 6, with this disconnection power transmission plate 6 and the being connected between the follow-up driving plate 5, stop the removal of follow-up driving plate 5, further the removal of stop edge baffle 2, later can remove edge baffle 2.

The provision of the slide groove 24 reduces friction and thus allows the latch plate 25 to be pulled out of the power transmission plate 6 more easily.

The round concave point 23 is arranged so that when the front end of the latch pin plate 25 is inserted into the power transmission plate 6, a spring ball in the power transmission plate 6 falls into the round concave point 23, thereby playing a role in fixing and preventing tripping.

The invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification and any novel method or process steps or any novel combination of features disclosed.

Claims

1. The air knife edge baffle assembly is characterized by comprising a fixed plate and a pair of edge baffles arranged on two sides of the fixed plate respectively, wherein ball screws and linear guide rails arranged in parallel with the ball screws are fixedly and horizontally arranged on two sides of the fixed plate, the two edge baffles are arranged on the fixed plate in a sliding manner through follow-up conveying plates movably arranged on the fixed plate respectively, the follow-up conveying plates can move along the linear guide rails, nut sleeves are arranged on the ball screws, power transmission plates are connected onto the nut sleeves, and a flexible device is arranged between the follow-up conveying plates and the power transmission plates and driven by the ball screws through servo motors; the commanding device is a vertical commanding device or a horizontal commanding device; the vertical type free-range device comprises a unhooking structure, and the unhooking structure penetrates through a follow-up transmission plate and is connected to the power transmission block; the unhooking structure comprises an L-shaped reversing block, the corner of the L-shaped reversing block is connected with a follow-up conveying plate through a rotating shaft, one end of the L-shaped reversing block is provided with a clamping hook, a pull rod is hooked in the clamping hook and connected with a tripping block, the end part of the tripping block is provided with a C-shaped clamping hoop, the C-shaped clamping hoop is clamped into a groove arranged on one side of the power conveying block, a plurality of pressure springs are arranged between the C-shaped clamping hoop and the follow-up conveying plate, and positioning pins are arranged in the pressure springs; the horizontal type flexible ordering device comprises a lock catch pin plate arranged on a follow-up conveying plate, a pin buckle pull rod is arranged at the rear end of the lock catch pin plate in a connecting mode, a rotating rod and a rotating pull block are arranged at the rear end of the pin buckle pull rod, the rotating rod is arranged on the follow-up conveying plate in an active fixing mode, the rotating rod and the pin buckle pull rod are fixedly connected through the rotating pull block, a sliding groove is formed in the upper end face of the lock catch pin plate, a circular concave point is formed in the sliding groove, and the follow-up conveying plate is connected with a power transmission plate in the power transmission plate through the insertion of the front end of the lock catch pin plate.

2. The air knife edge baffle assembly of claim 1, wherein when the edge device is a vertical edge device, a slide plate is further disposed between the edge baffle and the follow-up transfer plate, the edge baffle is fixedly connected with the slide block, a worm and gear mechanism is further disposed behind the follow-up transfer plate, and the other end of the worm and gear mechanism is connected to the slide plate through a connecting block.

3. The air knife edge baffle assembly of claim 1, wherein when the piston device is a horizontal piston device, the power transmission plate has spring beads disposed therein that mate with the circular concave points.