CN214422722U

CN214422722U - Workpiece preheating device for hot galvanizing processing

Info

Publication number: CN214422722U
Application number: CN202120066460.XU
Authority: CN
Inventors: 杨燕珠; 齐书涛; 宋财勇; 王汉新; 王碧双
Original assignee: Quanzhou Lianfatong Metal Manufacturing Co ltd
Current assignee: Quanzhou Lianfatong Metal Manufacturing Co ltd
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-10-19
Anticipated expiration: 2031-01-12

Abstract

The utility model discloses a hot-galvanize processing is with work piece preheating device, comprises an operation bench, the top fixed mounting of operation panel has the support frame, the equal fixed mounting in both sides at support frame inner wall top has two electric telescopic handle, electric telescopic handle's flexible fixed mounting has the lifter plate, the lifter plate has two slide bars through its bottom both sides fixed connection's extension board fixed mounting, the outer wall sliding connection of slide bar has the connecting block, the bottom fixedly connected with of connecting block removes revolution mechanic. This hot-galvanize processing is with work piece preheating device uses through the cooperation of slide bar, lifter plate, first motor, fixed block, lead screw, drive block, connecting block, electric telescopic handle, removal revolution mechanic, air-out structure and air heater, makes hot-blastly can heat every position of square pipe and dry by the fire, ensures simultaneously that every face of square pipe can be even heat and dry by the fire, makes the surface moisture of square pipe fully dry, and the evaporation of also can being heated of its inside moisture.

Description

Workpiece preheating device for hot galvanizing processing

Technical Field

The utility model relates to a zinc-plating processing field specifically is a hot-galvanize processing is with work piece preheating device.

Background

The hot galvanizing is to make molten metal react with an iron matrix to generate an alloy layer, so that the matrix and a coating are combined, the hot galvanizing is to firstly carry out acid cleaning on a workpiece, in order to remove iron oxide on the surface of the workpiece, after acid cleaning, the workpiece is cleaned in an ammonium chloride or zinc chloride aqueous solution or an ammonium chloride and zinc chloride mixed aqueous solution tank, and then the workpiece is sent into a hot dipping tank, the hot galvanizing has the advantages of uniform coating, strong adhesive force, long service life and the like, after the workpiece surface is cleaned, the surface of the workpiece is always required to be preheated and dried, so that liquid is removed, the phenomenon that zinc splashes and the galvanizing effect is influenced due to the existence of moisture in the galvanizing process is avoided, and meanwhile, the deformation caused by the uneven temperature of the workpiece surface is avoided.

The galvanized pipe that has now preheats and uses hot-blast stoving usually, however, when to some great work pieces, often can not make the comprehensive even air-dry heating of workpiece surface, if when drying by the heat to square pipe, square pipe bottom can't contact with hot-blast because of with the desktop, other faces also can not be even receive hot-blastly, and lead to the heat to dry by the fire inhomogeneous, remaining moisture can't all dry, influence the effect of galvanizing, and the heating to the steel pipe is inhomogeneous, leads to its galvanizing to cross probably to appear deformation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hot-galvanize is work piece preheating device for processing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a workpiece preheating device for hot galvanizing processing comprises an operation table, wherein a support frame is fixedly arranged at the top of the operation table, two electric telescopic rods are fixedly arranged on two sides of the top of the inner wall of the support frame, a lifting plate is fixedly arranged at the telescopic ends of the electric telescopic rods, two sliding rods are fixedly arranged on the lifting plate through a support plate fixedly connected with two sides of the bottom of the lifting plate, a connecting block is slidably connected with the outer wall of each sliding rod, a moving and rotating structure is fixedly connected with the bottom of the connecting block, two fixed blocks are fixedly arranged at the middle part of the bottom of the lifting plate, a lead screw is rotatably arranged between the two fixed blocks through a bearing, a driving block is sleeved on the outer wall of the lead screw, the bottom of the driving block is fixedly connected with the top of the moving and rotating structure, a first motor is fixedly arranged at the bottom of the lifting plate and behind the driving block, and the driving end of the first motor is fixedly connected with one end of the lead screw, the middle part fixed mounting at operation panel top has the air-out structure, the equal fixed mounting in both sides at operation panel top has two air heaters, and the air inlet end of air-out structure and the air-out end fixed connection of air heater, the top of operation panel just is located the place ahead fixedly connected with of air-out structure and places the board.

As a further aspect of the present invention: the movable rotating structure comprises a connecting frame, a sliding groove is formed in the bottom of the connecting frame in a penetrating mode, a bidirectional threaded rod is installed on the connecting frame through rotation of bearings fixedly installed on two sides of the inner wall of the connecting frame, a second motor is fixedly installed on one side of the connecting frame, the driving end of the second motor penetrates through one side of the connecting frame and is fixedly connected with one end of the bidirectional threaded rod, movable plates are sleeved on two sides of the outer wall of the bidirectional threaded rod and penetrate through the sliding groove to extend to the bottom of the connecting frame, a transverse plate is fixedly connected to the bottom of the connecting frame, a plurality of vertical plates are fixedly installed on the bottom of the transverse plate in an equidistant mode, a rotating shaft is installed on the vertical plates through rotation of the bearings installed on one side of the vertical plates in a penetrating mode, a rotating clamping rod is fixedly installed on one end of the rotating shaft through bolts, and a third motor is fixedly installed on the two transverse plates through supporting plates fixedly connected with the opposite sides of the transverse plates, and a chain transmission structure is arranged between the outer walls of the plurality of rotating shafts and the outer wall of the driving end of the third motor.

As a further aspect of the present invention: the air-out structure includes album of bellows, the top of album of bellows is the equidistance and alternates and installs a plurality of shower nozzles, the top of collection bellows and the outside fixed mounting that is located the shower nozzle have a plurality of screw thread becket, the outer wall threaded connection of screw thread becket has the screw cap.

As a further aspect of the present invention: the front surface of the driving block is provided with a threaded hole matched with the screw rod in a penetrating mode, and the driving block is in transmission connection with the screw rod through the threaded hole.

As a further aspect of the present invention: the chain transmission structure comprises a chain and a plurality of chain wheels meshed with the chain, the chain wheels are connected through chain transmission, one side of the movable plate penetrates through a threaded hole matched with the bidirectional threaded rod, and the movable plate is connected with the bidirectional threaded rod through the threaded hole in a transmission mode.

As a further aspect of the present invention: rotatory kelly includes rotatory piece, the equal fixed mounting in top, bottom, front and the back of rotatory piece has the joint strip.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this practicality uses through the cooperation of screw thread metal loop, screw cap, blast nozzle and collection bellows, and the hot-blast dispersion with the air heater comes, makes the surface of square pipe all can receive hot-blastly, according to the length of different square pipes, selects to open the quantity of blast nozzle simultaneously, avoids hot-blastly extravagant, and the make full use of resource makes its square pipe that makes and be suitable for different length.

2. The utility model discloses a slide bar, the lifter plate, a motor, the fixed block, the lead screw, the drive block, the connecting block, electric telescopic handle, remove revolution mechanic, the cooperation of air-out structure and air heater is used, make hot-blast can heat the stoving at every position of square pipe, ensure simultaneously that every face of square pipe can be even heat the stoving, make the surface moisture of square pipe fully dry, its inside moisture also can be the thermal evaporation, ensure the even rising of temperature of square pipe different positions, it is even to be heated, ensure the quality of zinc-plated square pipe, the deformation of splashing and square pipe of liquid zinc can not appear, and simultaneously, can select different rotatory kelly installations according to the different thicknesses of square pipe, make the device be applicable to the square pipe of different length and width.

Drawings

FIG. 1 is a schematic structural view of a preheating device for hot-dip galvanizing work pieces;

FIG. 2 is a schematic structural diagram of a moving and rotating structure in a workpiece preheating device for hot galvanizing processing;

FIG. 3 is a schematic structural view of an air outlet structure in a workpiece preheating device for hot galvanizing processing;

FIG. 4 is a side view of a placing plate and an air outlet structure in a workpiece preheating device for hot galvanizing processing;

FIG. 5 is a schematic structural view of a chain transmission structure in a workpiece preheating device for hot galvanizing processing;

fig. 6 is a schematic structural view of a rotary clamping rod in a workpiece preheating device for hot galvanizing processing.

In the figure: the air blowing device comprises an operating table 1, a supporting frame 2, a sliding rod 3, a lifting plate 4, a first motor 5, a fixing block 6, a screw rod 7, a driving block 8, a connecting block 9, an electric telescopic rod 10, a moving rotating structure 11, an air outlet structure 12, an air heater 13, a second motor 14, a moving plate 15, a bidirectional threaded rod 16, a connecting frame 17, a third motor 18, a transverse plate 19, a vertical plate 20, a rotating clamping rod 21, a rotating shaft 22, a chain transmission structure 23, a threaded metal ring 24, a threaded cover 25, an air blowing head 26, an air collecting box 27 and a placing plate 28.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 6, in an embodiment of the present invention, a workpiece preheating device for hot galvanizing processing includes an operation table 1, a support frame 2 is fixedly installed on a top of the operation table 1, two electric telescopic rods 10 are fixedly installed on both sides of a top portion of an inner wall of the support frame 2, a lifting plate 4 is fixedly installed on a telescopic end of each electric telescopic rod 10, two slide rods 3 are fixedly installed on the lifting plate 4 through a support plate fixedly connected to both sides of a bottom portion of the lifting plate 4, a connecting block 9 is slidably connected to an outer wall of each slide rod 3, a moving rotating structure 11 is fixedly connected to a bottom portion of the connecting block 9, two fixed blocks 6 are fixedly installed at a middle portion of a bottom portion of the lifting plate 4, a lead screw 7 is rotatably installed between the two fixed blocks 6 through a bearing, a driving block 8 is sleeved on an outer wall of the lead screw 7, a bottom portion of the driving block 8 is fixedly connected to a top portion of the moving rotating structure 11, a first motor 5 is fixedly installed at a bottom portion of the lifting plate 4 and located behind the driving block 8, the driving end of the first motor 5 is fixedly connected with one end of the screw rod 7, the middle part of the top of the operating platform 1 is fixedly provided with an air outlet structure 12, two sides of the top of the operating platform 1 are fixedly provided with two air heaters 13, the air inlet end of the air outlet structure 12 is fixedly connected with the air outlet end of the air heaters 13, the top of the operating platform 1 is fixedly connected with a placing plate 28 positioned in front of the air outlet structure 12, the movable rotating structure 11 comprises a connecting frame 17, the bottom of the connecting frame 17 is penetrated and provided with a sliding groove, the connecting frame 17 is rotatably provided with a bidirectional threaded rod 16 through bearings fixedly arranged on two sides of the inner wall of the connecting frame 17, one side of the connecting frame 17 is fixedly provided with a second motor 14, the driving end of the second motor 14 penetrates one side of the connecting frame 17 and is fixedly connected with one end of the bidirectional threaded rod 16, two sides of the outer wall of the bidirectional threaded rod 16 are sleeved with movable plates 15, and the movable plates 15 penetrate through the inside of the sliding groove and extend to the bottom of the connecting frame 17, a transverse plate 19 is fixedly connected to the bottom of the connecting frame 17, a plurality of vertical plates 20 are fixedly installed at the bottom of the transverse plate 19 at equal intervals, rotating shafts 22 are installed on the vertical plates 20 in a rotating mode through bearings installed on one sides of the vertical plates 20 in an penetrating mode, rotating clamping rods 21 are fixedly installed at one ends of the rotating shafts 22 through bolts, a third motor 18 is fixedly installed on the two transverse plates 19 through supporting plates fixedly connected with the opposite sides of the two transverse plates 19, a chain transmission structure 23 is arranged between the outer walls of the rotating shafts 22 and the outer wall of the driving end of the third motor 18, an air outlet structure 12 comprises an air collecting box 27, a plurality of air injection heads 26 are installed at the top of the air collecting box 27 in an equal interval in a penetrating mode, a plurality of threaded metal rings 24 are fixedly installed at the top of the air collecting box 27 and located outside the air injection heads 26, threaded covers 25 are connected to the outer walls of the threaded metal rings 24 in a threaded mode, threaded holes matched with the lead screws 7 are formed in the front faces of the driving blocks 8 in a penetrating mode, and are in a transmission mode with the lead screws 7 through the threaded holes, chain drive structure 23 comprises chain and a plurality of sprocket with chain engaged with, and the sprocket passes through chain drive to be connected, and one side of movable plate 15 runs through the screw hole of offering with 16 looks adaptations of two-way threaded rod, and movable plate 15 is connected with 16 transmissions of two-way threaded rod through the screw hole, and rotatory kelly 21 is including rotatory piece, and the top of rotatory piece, bottom, front and the equal fixed mounting in the back have the joint strip.

The utility model discloses a theory of operation is:

when the square tube lifting device is used, the threaded covers 25 with different numbers are rotated and opened according to the length of the square tube, the air spraying heads 26 are exposed, the air spraying heads 26 are positioned in the sealing environment of the threaded covers 25 at the positions where the air can not be sprayed, the hot air of the air heater 13 is dispersed, the surface of the square tube can receive the hot air, meanwhile, the number of the air spraying heads 26 is selected and opened according to the length of the square tubes, the waste of the hot air is avoided, resources are fully utilized, the square tubes with different lengths are suitable for the square tubes, a batch of square tubes are arranged at the top of the placing plate 28 at a certain interval, the electric telescopic rod 10 is opened, the lifting plate 4 is lowered, the movable rotating structure 11 is driven to descend through the connecting block 9 and the sliding rod 3, the rotary clamping rod 21 and the square tubes are positioned at the same height, the second motor 14 is started, the bidirectional threaded rod 16 is driven to rotate, and the two movable plates 15 are driven to move oppositely through threaded transmission, then the two transverse plates 19 are driven to move, then the vertical plates 20 drive the two rotary clamping rods 21 to move oppositely, so that the rotary clamping rods 21 are clamped into openings at two sides of the square tube, then the first motor 5 is started to drive the screw rod 7 to rotate, further the movable rotary structure 11 is driven to move backwards through screw transmission, the square tube is driven to move right above the air outlet structure 12, meanwhile, the third motor 18 is started, so that the two third motors 18 synchronously rotate, the rotating shaft 22 is driven to rotate through the transmission of the chain transmission structure 23, further the rotary clamping rods 21 are driven to rotate, the square tube is driven to rotate, meanwhile, the hot air blower 13 is started, hot air is sent into the air collecting box 27, is sent into the air spraying head 26 and sprayed onto the surface of the square tube, so that the hot air is blown to different surfaces of the square tube in turn, then the square tube is put down after the hot air is finished, each part of the square tube can be heated, and simultaneously, each surface of the square tube can be uniformly heated, make the surface moisture of square pipe fully dry, its inside moisture also can be heated the evaporation, ensures the temperature uniformity's of the different positions of square pipe rising, is heated evenly, ensures the quality of zinc-plated square pipe, the deformation of splashing and square pipe of liquid zinc can not appear, simultaneously, can select different rotatory kelly 21 installations according to the different thickness of square pipe, makes the device be applicable to the square pipe of different length and width.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a hot-galvanize processing is with work piece preheating device, includes operation panel (1), its characterized in that: the top of the operating table (1) is fixedly provided with a supporting frame (2), two sides of the top of the inner wall of the supporting frame (2) are fixedly provided with two electric telescopic rods (10), a telescopic end of each electric telescopic rod (10) is fixedly provided with a lifting plate (4), the lifting plate (4) is fixedly provided with two sliding rods (3) through supporting plates fixedly connected with two sides of the bottom of the lifting plate, the outer wall of each sliding rod (3) is connected with a connecting block (9) in a sliding manner, the bottom of each connecting block (9) is fixedly connected with a movable rotating structure (11), the middle of the bottom of each lifting plate (4) is fixedly provided with two fixed blocks (6), a lead screw (7) is rotatably arranged between the two fixed blocks (6) through a bearing, the outer wall of the lead screw (7) is sleeved with a driving block (8), and the bottom of the driving block (8) is fixedly connected with the top of the movable rotating structure (11), the utility model discloses a wind turbine generator, including lifter plate (4), lead screw (7), middle part fixed mounting at operation panel (1) top have air-out structure (12), the bottom of lifter plate (4) and the rear fixed mounting that is located drive block (8) have first motor (5), and the drive end and lead screw (7) one end fixed connection of first motor (5), the middle part fixed mounting at operation panel (1) top has air-out structure (12), the equal fixed mounting in both sides at operation panel (1) top has two air heaters (13), and the air inlet end of air-out structure (12) and the air-out end fixed connection of air heater (13), the top of operation panel (1) and the place board (28) that is located the place of the place ahead fixedly connected with of air-out structure (12).

2. The device for preheating a workpiece for hot galvanizing processing according to claim 1, comprising: the movable rotating structure (11) comprises a connecting frame (17), a sliding groove is formed in the bottom of the connecting frame (17) in a penetrating mode, a bidirectional threaded rod (16) is installed on the connecting frame (17) through the bearing fixedly installed on the two sides of the inner wall of the connecting frame in a rotating mode, a second motor (14) is fixedly installed on one side of the connecting frame (17) in a penetrating mode, the driving end of the second motor (14) penetrates through one side of the connecting frame (17) and is fixedly connected with one end of the bidirectional threaded rod (16), moving plates (15) are sleeved on the two sides of the outer wall of the bidirectional threaded rod (16), the moving plates (15) penetrate through the inside of the sliding groove and extend to the bottom of the connecting frame (17), transverse plates (19) are fixedly connected to the bottom of the connecting frame (17), a plurality of vertical plates (20) are fixedly installed on the bottom of the transverse plates (19) in an equidistant mode, and rotating shafts (22) are installed on the vertical plates (20) through the bearing installed on one side in a penetrating mode, one end of the rotating shaft (22) is fixedly provided with a rotary clamping rod (21) through a bolt, the transverse plate (19) is fixedly provided with a third motor (18) through a back-to-back fixedly connected supporting plate, and a chain transmission structure (23) is arranged between the outer wall of the rotating shaft (22) and the outer wall of the driving end of the third motor (18).

3. The device for preheating a workpiece for hot galvanizing processing according to claim 1, comprising: air-out structure (12) are including album wind case (27), the top of album wind case (27) is the equidistance and alternates and installs a plurality of shower nozzles (26), the outside fixed mounting that the top of collection wind case (27) and be located shower nozzle (26) has a plurality of screw thread becket (24), the outer wall threaded connection of screw thread becket (24) has screw cap (25).

4. The device for preheating a workpiece for hot galvanizing processing according to claim 1, comprising: the front surface of the driving block (8) is provided with a threaded hole matched with the screw rod (7) in a penetrating mode, and the driving block (8) is in transmission connection with the screw rod (7) through the threaded hole.

5. The device for preheating a workpiece for hot galvanizing processing according to claim 2, comprising: chain drive structure (23) comprise chain and a plurality of sprocket with chain looks meshing, and the sprocket passes through chain drive and connects, one side of movable plate (15) runs through the screw hole of seting up with two-way threaded rod (16) looks adaptation, and movable plate (15) are connected with two-way threaded rod (16) transmission through the screw hole.

6. The device for preheating a workpiece for hot galvanizing processing according to claim 2, comprising: rotatory kelly (21) are including rotatory piece, the equal fixed mounting in top, bottom, front and the back of rotatory piece has the joint strip.