CN214842339U

CN214842339U - Pretreatment equipment for hot galvanizing

Info

Publication number: CN214842339U
Application number: CN202121259292.2U
Authority: CN
Inventors: 柳金良; 刘宝柱; 张立涛
Original assignee: Tianjin Baolijin Hot Dip Galvanizing Co ltd
Current assignee: Tianjin Baolijin Hot Dip Galvanizing Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-11-23
Anticipated expiration: 2031-06-07

Abstract

The utility model belongs to the technical field of the hot-galvanize technique and specifically relates to a preceding processing apparatus for hot-galvanize, which comprises a supporting table, the equal symmetry in both sides at brace table top is fixed with two sets of first support frames, and is relative with organizing rotate between the first support frame and install first rotor roll, with organizing the common transmission in outer lane of first rotor roll is connected with the conveyer belt, the top of brace table is fixed with first motor, two through the screw symmetry the output shaft of first motor respectively with the center pin fixed connection of two sets of adjacent first rotor rolls. This device is through wiping the setting of water trap and L shape stoving case for the device can be through wiping the drop of water on finished piece surface and wipe, dries the finished piece afterwards, makes the finished piece stoving rear surface not have the residue of water mark, is favorable to improving the clearance effect of finished piece, thereby makes the hot-galvanize in-process of material finished piece at the later stage can not influence the quality because remaining water mark.

Description

Pretreatment equipment for hot galvanizing

Technical Field

The utility model relates to a hot-galvanize field especially relates to a preceding processing equipment for hot-galvanize.

Background

Hot galvanizing is the process of combining a substrate and a coating by reacting molten metal with an iron substrate to produce an alloy layer. The hot galvanizing is carried out by pickling steel parts, cleaning the steel parts in an ammonium chloride or zinc chloride aqueous solution or an ammonium chloride and zinc chloride mixed aqueous solution tank after pickling in order to remove iron oxide on the surfaces of the steel parts, and then sending the steel parts into a hot dipping tank.

The prior art discloses an invention patent in the aspect of partial hot galvanizing, and an application number is 201920931256.2, and discloses a hot galvanizing drying pretreatment device, the utility model discloses a conveyer is equipped with on the conveyer and strikes off the board and wipe off the board, strikes off and is equipped with two sets of spigot surfaces on the board, is equipped with two sets of grip blocks on the conveyer, has seted up the guiding gutter on the grip block, is equipped with the water conservancy diversion spare in the guiding gutter, and the below that two sets of water conservancy diversion spares kept away from in guiding gutter one side has placed same collecting vessel, wipes off the board and supports tightly on the exposed surface through supporting tight device.

Need carry out the pickling to the finished piece in hot dip galvanizing pretreatment process, the surface of finished piece remains a large amount of beads after the pickling, consequently, need dry the finished piece, in order to avoid the surface of direct dry hand finished piece to remain there is the water stain, need at first get rid of the bead on finished piece surface, scrape the bead through scraping the board and wiping the board among the prior art, however can only get rid of the bead of finished piece upper surface, scrape the board simultaneously and wipe the board and can only promote the bead and remove backward, lead to the bead to accumulate gradually, thereby lead to the finished piece bottom to be soaked by the water, influence the clearance effect of finished piece. Therefore, the invention provides a pretreatment device for hot galvanizing, which is used for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a pretreatment device for hot galvanizing.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a preceding processing apparatus for hot-galvanize, includes a supporting bench, the equal symmetry in both sides at brace table top is fixed with two sets of first support frames, and is relative with organizing rotate between the first support frame and install first rotation roller, with organizing the common transmission in outer lane of first rotation roller is connected with the conveyer belt, the top of brace table is fixed with first motor, two through the screw symmetry the output shaft of first motor respectively with the center pin fixed connection of two sets of adjacent first rotation rollers.

Two be equipped with L shape stoving case between the conveyer belt, L shape stoving case is fixed in the top of brace table, the inside of L shape stoving case is fixed with a plurality of heating wires, the lateral wall of L shape stoving case runs through along the direction of transfer of conveyer belt and has seted up first opening, the interior corner of L shape stoving case is installed and is cleaned water trap, clean water trap can the circulation conveying and wipe the drop of water on material surface.

Preferably, it includes four second support frames and a plurality of second opening, and is whole to clean water trap the second support frame symmetry respectively is fixed in the both sides at brace table top, and is relative all rotate between the second support frame and be connected with two third live-rollers, one side two install conveying drive arrangement between the third live-roller, the coplanar the conveying is connected with the strap that absorbs water between the third live-roller, and is whole the second opening is all seted up in L shape stoving case lateral wall, L shape stoving case passes the second opening and conveys, the top the internally mounted of strap that absorbs water has extrusion device.

Preferably, the conveying driving device comprises a second motor and a fourth gear, the second motor is fixed to the top of the supporting table through screws, an output shaft of the second motor is fixedly connected with a central shaft of the third rotating roller below, the third gear is fixed to an output shaft of the second motor, the fourth gear is fixed to the end portion of the third rotating roller above, and the fourth gear is meshed with the third gear.

Preferably, the extrusion device includes two sets of fixed plates, and is two sets of the fixed plate is fixed in the second support frame top of dorsad second motor and the lateral wall of L shape stoving case respectively, and is whole the equal activity of tip of fixed plate is inserted and is equipped with the straight-bar, the bottom of straight-bar is fixed with the rubber block, the outer lane cover of straight-bar is equipped with the spring, the both ends of spring respectively with fixed plate, rubber block fixed connection, with the group be fixed with the pivot jointly between the rubber block, the outer lane of pivot is rotated the cover and is equipped with the fourth live-rollers, the outer wall and the strap that absorbs water of fourth live-rollers offset.

Preferably, different groups of upper parts of the adjacent first support frames are rotatably provided with second rotating rollers, the outer rings of the second rotating rollers are fixedly sleeved with rubber gaskets, the output shaft of the first motor is fixedly provided with a first gear, the end part of the rotating shaft of the second rotating roller is fixedly provided with a second gear corresponding to the first gear, and the second gear is meshed with the first gear.

Compared with the prior art, the utility model discloses following beneficial effect has: this device is through the setting of the strap that absorbs water, make the strap that absorbs water of conveying can be continuous absorb the drop of water on finished piece surface and clean, and make the moisture of cleaning the in-process taken away, avoid the drop of water to lead to the fact the finished piece bottom to soak after piling up, the strap that absorbs water simultaneously carries out the drying in data send process, make the strap that absorbs water can not influence the wiping effect owing to the saturation of absorbing water, the finished piece surface is dried again after cleaning, avoid the remaining drop of water on finished piece surface to form the drop of water after drying, be favorable to promoting the clearance effect of finished piece, thereby be favorable to improving the hot-galvanize quality of finished piece.

Drawings

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

fig. 2 is a schematic structural view of the present invention, partially enlarged at a point a in fig. 1;

fig. 3 is a schematic structural view of the present invention from another angle;

fig. 4 is a schematic structural view after the overall section of the present invention;

fig. 5 is a schematic structural view of the present invention at a position B in fig. 4 after being partially enlarged.

In the figure: the drying device comprises a supporting table 1, a first supporting frame 2, a first rotating roller 3, a conveying belt 4, a second rotating roller 5, a rubber gasket 6, a first motor 7, a first gear 8, a second gear 9, an L-shaped drying box 10, an electric heating wire 11, a first opening 12, a second supporting frame 13, a third rotating roller 14, a water absorbing cloth belt 15, a second motor 16, a third gear 17, a fourth gear 18, a fixing plate 19, a straight rod 20, a rubber block 21, a spring 22, a rotating shaft 23, a fourth rotating roller 24 and a second opening 25.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1-5, a pretreatment apparatus for hot galvanizing comprises a support table 1, two groups of first support frames 2 are symmetrically fixed on both sides of the top of the support table 1, a first rotating roller 3 is rotatably installed between the first support frames 2 opposite to each other, a conveyor belt 4 is jointly connected with the outer ring of the first rotating roller 3 in the same group in a transmission manner, a first motor 7 is symmetrically fixed on the top of the support table 1 through screws, the output shafts of the two first motors 7 are respectively and fixedly connected with the central shafts of the two groups of adjacent first rotating rollers 3, an L-shaped drying box 10 is arranged between the two conveyor belts 4, the L-shaped drying box 10 is fixed on the top of the support table 1, a plurality of electric heating wires 11 are fixed inside the L-shaped drying box 10, a first opening 12 is formed in the side wall of the L-shaped drying box 10 in a penetrating manner along the conveying direction of the conveyor belt 4, a corner wiping and dewatering device is installed inside the L-shaped drying box 10, the wiping and dewatering device can circularly convey and wipe water drops on the surface of the material.

The implementation mode is specifically as follows: the supporting table 1 can support the whole device, the first supporting frame 2 can rotatably support the first rotating roller 3, the output shaft can drive the first rotating roller 3 to rotate after the first motor 7 is started, the first rotating roller 3 can drive the conveying belt 4 to convey after rotating, the conveying belt 4 can drive the workpiece to move after conveying, so that the workpiece can be cleaned in the conveying process along the conveying belt 4, the cleaning and dewatering device can clean the surface of the workpiece to absorb water drops on the surface of the workpiece, a plurality of groups of heating wires 11 can be arranged in the L-shaped drying box 10, the surface of the workpiece can be dried after the heating wires 11 generate heat, so that the moisture on the surface of the workpiece is removed, the first opening 12 can facilitate the workpiece to pass through the L-shaped drying box 10 for drying operation, so that the device can be dried after the water drops on the surface of the workpiece are removed, and meanwhile, the cleaning and dewatering device and the L-shaped drying box 10 can both clean the upper surface and the lower surface of the workpiece, the bottom of the workpiece is prevented from being soaked when the upper surface of the workpiece is cleaned, so that water marks caused by water drops in the drying process are avoided, and the hot galvanizing quality of the workpiece is improved.

Wiping water trap includes four second support frames 13 and a plurality of second opening 25, whole second support frames 13 symmetry respectively are fixed in the both sides at 1 top of brace table, all rotate between relative second support frame 13 and be connected with two third live-rollers 14, install the conveying drive arrangement between two third live-rollers 14 of one side, the conveying is connected with the strap 15 that absorbs water between the coplanar third live-rollers 14, all second openings 25 are all seted up in L shape stoving case 10 lateral wall, L shape stoving case 10 passes second opening 25 and conveys, the internally mounted of top strap 15 that absorbs water has extrusion device.

The implementation mode is specifically as follows: the second support frame 13 is fixed on the top of the support table 1 and can rotatably install a third rotating roller 14, the transmission driving device can drive the third rotating roller 14 to rotate, the third rotating roller 14 drives the water absorption cloth belt 15 to transmit after rotating, the water absorption cloth belt 15 is in contact with the surface of a workpiece in the transmission process, the extruding device can downwards extrude the water absorption cloth belt 15 above, the bottom of the water absorption cloth belt 15 above is abutted against the upper surface of the workpiece, so that water drops on the surface of the workpiece are wiped and absorbed, the water drops on the upper surface and the lower surface of the workpiece are cleaned, the water drops on the upper surface and the lower surface of the workpiece are conveniently dried by the water absorption cloth belt 15 passing through the L-shaped drying box 10 in the transmission process, the device can simultaneously clean the upper surface and the lower surface of the workpiece, the water drops can not wet the bottom of the workpiece due to accumulation, and the water absorption cloth belt 15 absorbing moisture can be dried again, thereby avoiding that the water absorption cloth belt 15 can not be wiped due to water saturation, and being beneficial to enhancing the cleaning effect of the device on water drops on the surface of a workpiece.

The transmission driving device comprises a second motor 16 and a fourth gear 18, the second motor 16 is fixed on the top of the supporting table 1 through screws, an output shaft of the second motor 16 is fixedly connected with a central shaft of the lower third rotating roller 14, the output shaft of the second motor 16 is fixed with the third gear 17, the fourth gear 18 is fixed on the end part of the upper third rotating roller 14, and the fourth gear 18 is meshed with the third gear 17.

The implementation mode is specifically as follows: the output shaft can drive third gear 17 and the third live-rollers 14 rotation of below after 16 starts of second motor, and third gear 17 rotates the back and drives the fourth gear 18 rotation of meshing with it, and fourth gear 18 rotates the back and drives the top and rotate with it fixed third live-rollers 14 to make the strap 15 that absorbs water clean continuous conveying of in-process, avoid same piece 15 that absorb water to absorb water saturation and reduce and clean the effect, thereby be favorable to the cleaning performance of hoisting device.

The extrusion device comprises two groups of fixing plates 19, the two groups of fixing plates 19 are respectively fixed on the top of a second support frame 13 back to a second motor 16 and the side wall of an L-shaped drying box 10, a straight rod 20 is inserted at the equal activity of the end part of each fixing plate 19, a rubber block 21 is fixed at the bottom of the straight rod 20, a spring 22 is sleeved on the outer ring of the straight rod 20, two ends of the spring 22 are respectively connected with the fixing plates 19, the rubber blocks 21 are fixedly connected, a rotating shaft 23 is jointly fixed between the rubber blocks 21 in the same group, a fourth rotating roller 24 is sleeved on the outer ring of the rotating shaft 23, and the outer wall of the fourth rotating roller 24 is abutted to the water absorbing cloth belt 15.

The implementation mode is specifically as follows: the fixing plate 19 is fixedly connected with the second supporting frame 13 and the side wall of the L-shaped drying box 10, so that the fixing plate 19 is fixedly supported to a certain height, the spring 22 can connect the fixing plate 19 with the rubber block 21, so as to push the rubber block 21 to move downwards, so that the bottom of the rubber block 21 abuts against the upper surface of a conveyed workpiece, the bottom of the straight rod 20 is fixedly connected with the rubber block 21, meanwhile, the top of the straight rod penetrates through the fixing plate 19, so that the rubber block 21 cannot move due to the conveying of the workpiece when abutting against the upper surface of the workpiece, the rotating shaft 23 is fixed between the two rubber blocks 21 and moves along with the movement of the rubber block 21, the fourth rotating roller 24 is sleeved on the outer ring of the rotating shaft 23, when the rubber block 21 abuts against the upper surface of the workpiece, the fourth rotating roller 24 presses the bottom of the water absorption cloth belt 15 above, so that the bottom of the water absorption cloth belt 15 abuts against the upper surface of the workpiece, so that the upper and lower water absorption cloth belts 15 can wipe the upper and the lower surfaces of the workpiece simultaneously, the water drops are prevented from falling into the bottom of the workpiece from the upper surface of the workpiece in the wiping process of the workpiece, and the cleaning effect of the water drops on the surface of the workpiece is favorably improved.

The upper parts of the adjacent first supporting frames 2 of different groups are rotatably provided with second rotating rollers 5, the outer rings of the second rotating rollers 5 are fixedly sleeved with rubber gaskets 6, the output shaft of a first motor 7 is fixed with a first gear 8, the end part of the rotating shaft of the second rotating roller 5 is fixed with a second gear 9 corresponding to the first gear 8, and the second gear 9 is meshed with the first gear 8.

The implementation mode is specifically as follows: the output shaft drives first gear 8 and rotates after first motor 7 starts, first gear 8 drives second gear 9 with it meshing and rotates, second gear 9 drives second live-rollers 5 and rotates, second live-rollers 5 drive rubber packing ring 6 and rotate, rubber packing ring 6 rotates the back and extrudes the conveying to the top of finished piece, be favorable to avoiding the finished piece to produce the skew in data send process, thereby be favorable to promoting the stability of finished piece data send process.

The utility model discloses the theory of operation: the supporting table 1 can support the whole device, the first supporting frame 2 can rotatably support the first rotating roller 3, the output shaft can drive the first rotating roller 3 to rotate after the first motor 7 is started, the first rotating roller 3 can drive the conveying belt 4 to convey after the first rotating roller 3 rotates, the conveying belt 4 can drive the workpiece to move after conveying, so that the workpiece is cleaned in the conveying process along the conveying belt 4, the second supporting frame 13 is fixed at the top of the supporting table 1 and can rotatably install the third rotating roller 14, the output shaft can drive the third gear 17 to rotate with the third rotating roller 14 below after the second motor 16 is started, the third gear 17 drives the fourth gear 18 meshed with the third gear to rotate after rotating, the fourth gear 18 drives the third rotating roller 14 fixed above the third gear to rotate, the water absorption cloth belt 15 is driven to convey after the third rotating roller 14 rotates, and the water absorption cloth belt 15 is in contact with the surface of the workpiece in the conveying process, the fixing plate 19 is fixedly connected with the second supporting frame 13 and the side wall of the L-shaped drying box 10, so that the fixing plate 19 is fixedly supported to a certain height, the spring 22 can connect the fixing plate 19 with the rubber block 21, so as to push the rubber block 21 to move downwards, so that the bottom of the rubber block 21 abuts against the upper surface of a conveyed workpiece, the bottom of the straight rod 20 is fixedly connected with the rubber block 21, meanwhile, the top of the straight rod penetrates through the fixing plate 19, so that the rubber block 21 cannot move due to the conveying of the workpiece when abutting against the upper surface of the workpiece, the rotating shaft 23 is fixed between the two rubber blocks 21 and moves along with the movement of the rubber block 21, the fourth rotating roller 24 is sleeved on the outer ring of the rotating shaft 23, when the rubber block 21 abuts against the upper surface of the workpiece, the fourth rotating roller 24 presses the bottom of the water absorption cloth belt 15 above, so that the bottom of the water absorption cloth belt 15 abuts against the upper surface of the workpiece, so that the upper and lower water absorption cloth belts 15 can wipe the upper and the lower surfaces of the workpiece simultaneously, thereby wiping and absorbing water drops on the surface of the workpiece, cleaning the water drops on the upper surface and the lower surface of the workpiece, drying the water drops through the L-shaped drying box 10 in the transmission process by the aid of the second opening 25, cleaning the upper surface and the lower surface of the workpiece by the device simultaneously, preventing the water drops from wetting the bottom of the workpiece due to accumulation, installing a plurality of groups of heating wires 11 in the L-shaped drying box 10, drying the surface of the workpiece after the heating wires 11 generate heat, removing water on the surface of the workpiece, drying the workpiece through the L-shaped drying box 10 by the aid of the first opening 12, drying the workpiece after removing the water drops on the surface of the workpiece, drying the water absorbing cloth belts 15 absorbing the water again, and avoiding the problem that the water absorbing cloth belts 15 cannot be wiped due to water saturation, the cleaning effect of the device on the water drops on the surface of the workpiece is favorably enhanced, the water removing device and the L-shaped drying box 10 are cleaned simultaneously, the upper surface and the lower surface of the workpiece can be cleaned simultaneously, the bottom of the workpiece is prevented from being soaked when the upper surface of the workpiece is cleaned, the water drops are prevented from generating water marks in the drying process, and the hot galvanizing quality of the workpiece is favorably improved.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, but rather is described in the foregoing embodiments and the description with reference to the principles of the invention and that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended that all such changes and modifications fall within the scope of the invention as claimed, which is defined by the claims appended hereto and their equivalents.

Claims

1. The pretreatment equipment for hot galvanizing comprises a support table (1) and is characterized in that two groups of first support frames (2) are symmetrically fixed on two sides of the top of the support table (1), first rotating rollers (3) are rotatably mounted between the first support frames (2) which are opposite to each other in the same group, the outer rings of the first rotating rollers (3) in the same group are jointly connected with a conveyor belt (4) in a transmission manner, first motors (7) are symmetrically fixed on the top of the support table (1) through screws, and output shafts of the two first motors (7) are respectively and fixedly connected with central shafts of two groups of adjacent first rotating rollers (3);

two be equipped with L shape stoving case (10) between conveyer belt (4), L shape stoving case (10) are fixed in the top of brace table (1), the inside of L shape stoving case (10) is fixed with a plurality of heating wire (11), first opening (12) have been seted up along the direction of transfer of conveyer belt (4) to the lateral wall of L shape stoving case (10) through, the interior corner of L shape stoving case (10) is installed and is cleaned water trap, clean water trap can the circulation conveying and wipe the drop of water on material surface.

2. The pretreatment equipment for hot galvanizing according to claim 1, wherein the wiping and dewatering device comprises four second support frames (13) and a plurality of second openings (25), all the second support frames (13) are symmetrically fixed on two sides of the top of the support table (1) respectively, two third rotating rollers (14) are rotatably connected between the second support frames (13) oppositely, a transmission driving device is installed between the two third rotating rollers (14) on one side, a water absorbing cloth belt (15) is connected between the third rotating rollers (14) on the same plane in a transmission manner, all the second openings (25) are arranged on the side wall of the L-shaped drying box (10), the L-shaped drying box (10) passes through the second openings (25) for transmission, and an extruding device is installed inside the water absorbing cloth belt (15) above.

3. The pretreatment equipment for hot galvanizing according to claim 2, wherein the conveying driving device comprises a second motor (16) and a fourth gear (18), the second motor (16) is fixed on the top of the support table (1) through screws, an output shaft of the second motor (16) is fixedly connected with a central shaft of the lower third rotating roller (14), a third gear (17) is fixed on an output shaft of the second motor (16), the fourth gear (18) is fixed on an end portion of the upper third rotating roller (14), and the fourth gear (18) is meshed with the third gear (17).

4. The pretreatment apparatus for hot dip galvanizing according to claim 2, the extrusion device comprises two groups of fixing plates (19), the two groups of fixing plates (19) are respectively fixed at the top of a second support frame (13) back to a second motor (16) and the side wall of the L-shaped drying box (10), straight rods (20) are movably inserted at the end parts of all the fixing plates (19), the bottom of the straight rod (20) is fixed with a rubber block (21), the outer ring of the straight rod (20) is sleeved with a spring (22), two ends of the spring (22) are respectively fixedly connected with the fixed plate (19) and the rubber blocks (21), a rotating shaft (23) is jointly fixed between the rubber blocks (21) in the same group, the outer ring of pivot (23) rotates the cover and is equipped with fourth live-rollers (24), the outer wall of fourth live-rollers (24) offsets with the strap (15) that absorb water.

5. The pretreatment equipment for hot galvanizing according to claim 1, wherein different groups of adjacent first support frames (2) are rotatably provided with second rotating rollers (5), the outer rings of the second rotating rollers (5) are fixedly sleeved with rubber gaskets (6), the output shaft of the first motor (7) is fixedly provided with a first gear (8), the end part of the rotating shaft of the second rotating roller (5) is fixedly provided with a second gear (9) corresponding to the first gear (8), and the second gear (9) is meshed with the first gear (8).