CN211199369U - Rotary lifting type galvanizing device - Google Patents

Abstract

The utility model discloses a rotary lifting type galvanizing device which can be matched with a centrifugal device and comprises a bracket, a first main shaft for driving the bracket to rotate circumferentially and a first lifting mechanism for driving the bracket and the first main shaft to synchronously move up and down; the bracket comprises a plurality of bracket bodies distributed along the circumferential direction of the first main shaft, the bracket bodies are used for placing a galvanized basket, and the bracket rotates in the circumferential direction to sequentially enable each bracket body to face the centrifugal device. The utility model discloses a transfer device uses the third main shaft as central rotation in a circumferential direction, with zinc-plating, centrifugation, unloading, material loading setting on same circumference, has not only reduced the volume, has reduced area, and ejection of compact is fast moreover, has shortened the galvanized cycle, and production efficiency is high, and product quality is good.

Description

Rotary lifting type galvanizing device

Technical Field

The utility model belongs to the hot-galvanize field especially relates to a rotatory over-and-under type galvanizing rig.

Background

In order to ensure the aesthetic appearance and rust prevention performance of materials such as metals and alloys, hot dip galvanizing is generally performed on the surface of the materials. The hot galvanizing, also called hot dip galvanizing and hot dip galvanizing, is an effective metal anticorrosion mode, and the material after the pretreatment is put into a molten zinc liquid at about 530 ℃, and a zinc layer is attached to the surface of the material after complex physical and chemical actions are carried out under the condition that the zinc is in a liquid state, so that the purpose of anticorrosion is achieved.

At present, the domestic hot galvanizing production technology is still in a relatively laggard development stage, and a plurality of enterprises lack advanced technology and old equipment, so that the hot galvanizing is regarded as an industry with large raw material and energy consumption and serious environmental pollution in China. A large number of medium-small scale hot galvanizing enterprises still use coal, and the temperature of an external heating furnace exceeds 900 ℃ to directly bake a zinc pot, so that pressure is applied to surrounding refractory materials, the heat transfer effect is poor, and bad heat reaction occurs; meanwhile, the production problems of low processing efficiency, inaccurate temperature control, high fuel consumption, high exhaust gas temperature and the like are caused.

In order to solve the above problems, chinese patent CN 106244962 discloses an automatic generation system for small part hot galvanizing, which is provided with a closed track mechanism, wherein a feeding area, a galvanizing area, a centrifugal area and a discharging area are arranged along the track mechanism, the feeding mechanism on the track mechanism can be independently controlled, and the running speed is adjustable. But the length of the track mechanism is relatively longer, the occupied space is larger, the time consumption of discharging and pouring can be shortened, and the whole production line system has improved space.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a rotary lifting type galvanizing device which has the advantages of energy saving, environmental protection, small occupied space, high galvanizing efficiency and good galvanizing quality.

The utility model provides a technical scheme that its technical problem adopted is: a rotary lifting type galvanizing device can be matched with a centrifugal device and comprises a bracket, a first main shaft and a first lifting mechanism, wherein the first main shaft is used for driving the bracket to rotate in the circumferential direction, and the first lifting mechanism is used for driving the bracket and the first main shaft to move up and down synchronously; the bracket comprises a plurality of bracket bodies distributed along the circumferential direction of the first main shaft, the bracket bodies are used for placing the galvanized basket, and the bracket rotates in the circumferential direction to enable each bracket body to face the centrifugal device in sequence.

Furthermore, the first lifting mechanism comprises a first reduction gearbox connected with the shell, a connecting plate, lifting screw rods respectively connected to two sides of the connecting plate, and a lifting cylinder used for driving the lifting screw rods to synchronously move up and down along a direction parallel to the first main shaft.

Furthermore, a first shaft sleeve sleeved outside the first main shaft, a third-stage gear in fit connection with the first shaft sleeve, an intermediate gear meshed with the third-stage gear and a first-stage gear meshed with the intermediate gear are arranged in the first reduction gearbox, and the rotary servo motor vertically extends into the first reduction gearbox and is in fit connection with the first-stage gear.

The bracket further comprises a tray connected with the first spindle, the bracket body comprises an L-shaped connecting arm connected with the tray, a circular ring body integrally connected with the connecting arm and a V-shaped reinforcing rib arranged between the circular ring body and the connecting arm, a plurality of 7-shaped contact convex parts capable of being in contact fit with the galvanizing basket are circumferentially distributed at an opening at the upper part of the circular ring body, and the number of the four bracket bodies is uniformly distributed along the circumferential direction of the tray.

Furthermore, the first reduction gearbox is arranged in a space formed by the galvanizing bath and the shell, a partition plate parallel to the upper surface of zinc liquid in the galvanizing bath is arranged in the shell, and the first reduction gearbox is connected with the partition plate.

The utility model has the advantages that: 1) the traditional thinking is broken through, the galvanizing device is designed to rotate in the circumferential direction, so that a plurality of bracket bodies arranged on the circumference of the first main shaft can be galvanized at the same time, a plurality of galvanizing baskets are not independently moved in the galvanizing bath for galvanizing, the galvanizing time is controlled for adjustment, but not the moving distance of the galvanizing baskets is controlled for adjustment, and the transverse length of the galvanizing bath is at least reduced; 2) the multi-stage automatic zinc plating device is characterized in that a plurality of circumferentially arranged bracket bodies are arranged, each bracket body is provided with a zinc plating basket, time lines of zinc plating, centrifugation, blanking and feeding are overlapped, centrifugation and zinc plating can be simultaneously carried out while blanking is carried out, time consumed for completing one zinc plating process cycle is short, and production efficiency is high; 2) the bracket is always soaked in the zinc liquid for preheating, other special heating procedures are not needed, and the energy is saved and the environment is protected; 4) the centrifugal device moves downwards to grab the galvanized basket instead of lifting the galvanized basket upwards and sending the galvanized basket to the centrifugal device, and the consumed power is small.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of the present invention cooperating with a centrifugal device, a transfer device and a housing.

Fig. 2 is a schematic diagram of a three-dimensional structure of the centrifugal device, the transfer device, and the housing of the present invention.

Fig. 3 is a schematic view of the structure of the centrifugal device, the transfer device, and the housing of the present invention.

Fig. 4 is a schematic view of the bottom view structure of the present invention cooperating with the centrifugal device, the transfer device and the housing.

Fig. 5 is a schematic perspective view of the present invention.

Fig. 6 is a schematic perspective view of the present invention.

Fig. 7 is a schematic view of the structure of the present invention.

Fig. 8 is a schematic sectional view of the present invention.

Fig. 9 is a schematic perspective view of the bracket of the present invention.

Fig. 10 is a perspective view of the bracket body.

Fig. 11 is a schematic top view of the bracket body.

Fig. 12 is a schematic perspective view of the centrifugal device of the present invention.

Fig. 13 is a schematic perspective view of the centrifugal device of the present invention.

Fig. 14 is a schematic front view of the centrifugal device of the present invention.

Fig. 15 is a schematic view of the cross-sectional structure of the centrifugal device of the present invention.

Fig. 16 is a schematic perspective view of the transfer device according to the present invention.

Fig. 17 is a schematic perspective view of the transfer device according to the present invention.

Fig. 18 is a simplified diagram of the structure of the housing of the present invention.

Fig. 19 is a second simplified diagram of the structure of the housing of the present invention.

Fig. 20 is a schematic view of the transferring device of the present invention at the lower zinc position.

Fig. 21 is a schematic view of the transfer device of the present invention from above at a loading position.

Fig. 22 is a schematic top view of the transfer device of the present invention at a first lowering position.

Fig. 23 is a schematic top view of the transfer device of the present invention at the second loading position.

Fig. 24 is a schematic top view of the transfer device of the present invention in the waiting position.

Fig. 25 is a schematic top view of the transfer device of the present invention in a centrifugal position.

Fig. 26 is a simplified structural diagram of the first galvanizing basket of the present invention at the position a.

Fig. 27 is a schematic view of the second zinc-plating basket of the present invention at position a.

Fig. 28 is a simplified structural view of the third zinc-plating basket of the present invention at position a.

Fig. 29 is a schematic view of the fourth zinc-plating basket of the present invention at position a.

Detailed Description

In order to make the technical solution of the present invention better understood, the following figures in the embodiments of the present invention are combined to clearly and completely describe the technical solution 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 efforts shall belong to the protection scope of the present invention.

As shown in fig. 1 and 2, a rotary lifting type hot galvanizing continuous production system comprises a shell 1, which is covered above a galvanizing bath 2 to form a relatively closed space, a galvanizing device, a centrifugal device and a transfer device are arranged in the shell 1, specifically, the devices are arranged in the space formed by the galvanizing bath 2 and the shell 1, and a partition plate 10 parallel to the upper surface of zinc liquid in the galvanizing bath 2 is arranged in the shell 1.

As shown in FIGS. 5-11, the galvanizing device comprises a first main shaft 32 which can rotate circumferentially under the driving of a rotary servo motor 321, a bracket 31 which is connected to the bottom end of the first main shaft 32 and can rotate synchronously with the first main shaft 32, and a first lifting mechanism 33 which is used for driving the first main shaft 32 and the bracket 31 to move up and down synchronously, the bracket 31 comprises a plurality of bracket bodies 311 which are arranged along the circumferential direction of the first main shaft 32, in the embodiment, the number of the bracket bodies 311 is three, of course, four bracket bodies are also available, in order to arrange the first bracket body, the second bracket body 312, the third bracket body 313 and the fourth bracket body 314 adjacently in sequence, the four bracket bodies are connected with the bottom end of the first main shaft 32 through a tray, specifically, the bracket body 311 comprises a connecting arm 315 in a shape of ' L ', a circular ring body 318 and a reinforcing rib 316 ', two connecting arms 315 in a shape, the shape of a transverse plate 310 are connected with the tray 317, two connecting arms 315 are integrally connected with the circular ring body 315, in a contact with the outer side surface of the circular ring body 315, two connecting arms are arranged on the outer side surface of the circular ring body, the two connecting arms, the connecting arms are arranged on the outer side surface of the circular ring body, the outer side surface of the circular ring body, the connecting arm is arranged on the outer side surface of the circular ring body, the connecting arm, the circular ring body, the outer surface of the circular ring body is arranged, the circular ring body, the circular ring.

The first lifting mechanism 33 comprises a first reduction gearbox 331 fixedly connected with the partition plate 10 of the shell 1, a lifting cylinder 332, a connecting plate 333 connected with the lifting cylinder 332, and lifting screw rods 334 respectively connected to two sides of the connecting plate 333, one end of each lifting screw rod 334 is connected with the first reduction gearbox 331, and the lifting cylinder 332 is used for driving the two lifting screw rods 334 to synchronously move up and down along a direction parallel to the first main shaft 32. When the lifting cylinder 332 is started, the telescopic motion of the lifting screw 334 can drive the first main shaft 32 to move up or down, and the first reduction box 331 is relatively immobile.

The rotary servo motor 321 is arranged on the first reduction gearbox 331, an external spline gear 324 is sleeved outside a first output shaft 322 of the rotary servo motor and then vertically extends into the first reduction gearbox 331 to be matched and connected with an internal spline gear 325, and a first-stage gear 323 is sleeved outside the internal spline gear 325; the first-stage gear 323 is meshed with the intermediate gear 326, an intermediate shaft 327 is sleeved at the center of the intermediate gear 326, and the upper end and the lower end of the intermediate shaft 327 are connected with the first reduction gearbox 331 through bearings; the first main shaft 32 vertically penetrates through the first reduction gearbox 331, a first shaft sleeve 328 is sleeved on the outer wall of the part, corresponding to the first reduction gearbox 331, of the first shaft sleeve 328, a third-stage gear 329 is connected outside the first shaft sleeve 328 in a matching mode, and the third-stage gear 329 is in meshed connection with the intermediate gear 326. When the rotary servo motor 321 is started, the first output shaft 322 drives the first stage gear 323 to rotate synchronously, so as to drive the intermediate gear 326 to rotate, thereby driving the third stage gear 329 to rotate, driving the first main shaft 32 and the first shaft sleeve 328 to rotate synchronously, and further realizing circumferential rotation of the first main shaft 32.

As shown in fig. 12-15, the centrifugal device is used for lifting the galvanized basket 4 on the bracket 31 and then performing rotary centrifugation, and comprises a second main shaft 51 which can rotate circumferentially under the driving of a rotary servo motor 511, a centrifugal clamping mechanism 52 which is connected with the bottom end of the second main shaft 51 and can rotate synchronously with the second main shaft 51, a second lifting mechanism 53 which is used for driving the second main shaft 51 and the centrifugal clamping mechanism 52 to move up and down synchronously, and a centrifugal cover 54 which is covered on the periphery of the galvanized basket 4 and can move up and down under the driving of a centrifugal lifting mechanism 55; the centrifugal clamping mechanism 52 is driven by the clamping cylinder 521 to clamp or loosen the galvanizing basket (the above is related to the prior art and is not described again), and includes a cover 522 capable of covering the opening at the upper part of the galvanizing basket, so as to prevent the workpiece from separating from the galvanizing basket under high-speed rotation and prevent the zinc liquid from being thrown out from the opening at the upper part of the galvanizing basket. The bottom end of the second main shaft 51 is provided with a pneumatic slip ring (which is the prior art and is not described again); the second lifting mechanism 53 has a structure similar to that of the first lifting mechanism 33, and includes a second reduction gearbox 531 fixedly connected to the housing 1, a lifting cylinder 532, a connecting plate 533 connected to the lifting cylinder 532, and lifting screws 534 respectively connected to two sides of the connecting plate 533, wherein one end of each lifting screw 534 is connected to the second reduction gearbox 531, and the lifting cylinder 532 is used for driving the two lifting screws 534 to synchronously move up and down along a direction parallel to the second main shaft 51. When the lifting cylinder 532 is started, the telescopic motion of the lifting screw 534 can drive the second main shaft 51 to move up or down, and the second reduction gearbox 531 is relatively immobile.

The rotary servo motor 511 is arranged on the second reduction gearbox 531, an external spline gear is sleeved outside a second output shaft of the rotary servo motor and then vertically extends into the second reduction gearbox 531 to be matched and connected with the internal spline gear, and a first-stage gear is sleeved outside the internal spline gear; the first-stage gear is meshed with the intermediate gear, an intermediate shaft is sleeved in the center of the intermediate gear, and the upper end and the lower end of the intermediate shaft are connected with the second reduction gearbox 531 through bearings; the second spindle 51 is sleeved with a second shaft sleeve corresponding to the outer wall of the second reduction gearbox 531, and a third-stage gear is connected outside the second shaft sleeve in a matching manner and is meshed with the intermediate gear. When the rotary servo motor 511 is started, the second output shaft drives the first-stage gear to rotate synchronously, so as to drive the intermediate gear to rotate, thereby driving the third-stage gear to rotate, driving the second spindle 51 and the second spindle sleeve to rotate synchronously, and further realizing circumferential rotation of the second spindle 51.

The centrifugal lifting mechanism 55 comprises a connecting plate 551 connected with the shell 1, two lifting rods 552 penetrating through the connecting plate 551, and a lifting cylinder 553 for driving the two lifting rods 552 to synchronously move up and down along the direction parallel to the first main shaft 32, wherein the bottom end of the lifting cylinder 553 is connected with the centrifugal cover 54, the centrifugal cover 54 is a hollow cylindrical structure with the height slightly larger than that of the galvanizing basket 4, and can block zinc liquid thrown out when the galvanizing basket 4 is centrifuged and drain the zinc liquid to fall into the galvanizing pool 2. Of course, the centrifuge shield 54 may be a hollow frustum-shaped structure having a height slightly greater than that of the galvanizing basket 4 and a lower opening larger than an upper opening.

As shown in fig. 16 and 17, the transferring device comprises a third main shaft 62 which can rotate circumferentially under the driving of a rotary servo motor 621, a turnover mechanism 61 which is connected with the bottom end of the third main shaft 62 and can rotate synchronously with the third main shaft 62, a third lifting mechanism 64 which is used for driving the third main shaft 62 and the turnover mechanism 61 to move synchronously up and down, and a claw mechanism 63 which is connected with the turnover mechanism 61 and is used for clamping the galvanized basket 4. The third lifting mechanism 64 is similar to the first lifting mechanism 33 in structure, and includes a third reduction box 641 fixedly connected to the housing 1, a lifting cylinder 632, a connecting plate 633 connected to the lifting cylinder 632, and lifting screws 634 respectively connected to two sides of the connecting plate 633, wherein one end of the lifting screws 634 is connected to the third reduction box 641, and the lifting cylinder 632 is configured to drive the two lifting screws 634 to move up and down synchronously along a direction parallel to the third main shaft 62. When the lifting cylinder 632 is activated, the telescopic motion of the lifting screw 634 can drive the third main shaft 62 to move up or down, and the third reduction box 641 is relatively immobile.

The rotary servo motor 621 is installed on the third reduction gearbox 641, and a third output shaft thereof is sleeved with an external spline gear and then vertically extends into the third reduction gearbox 641 to be matched and connected with the internal spline gear, and the internal spline gear is sleeved with a first-stage gear; the first stage gear is engaged with the intermediate gear, the center of the intermediate gear is sleeved with an intermediate shaft, and the upper end and the lower end of the intermediate shaft are connected with the third reduction gearbox 641 through a bearing; the part of the outer wall of the third main shaft 62 corresponding to the third reduction gearbox 641 is sleeved with a third shaft sleeve, a third-stage gear is connected outside the third shaft sleeve in a matching manner, and the third-stage gear is meshed with the intermediate gear. When the rotary servo motor 621 is started, the third output shaft drives the first-stage gear to rotate synchronously, so as to drive the intermediate gear to rotate, thereby driving the third-stage gear to rotate, driving the third spindle 62 and the third spindle sleeve to rotate synchronously, and further realizing circumferential rotation of the third spindle 62.

The turnover mechanism 61 comprises a turnover speed reducer 612 connected with the third main shaft 62 and a turnover shaft 611 penetrating out of one side face of the turnover speed reducer 612, the turnover shaft 611 is perpendicular to the third main shaft 62, the jaw mechanism 63 (any fixture capable of realizing self-centering in the prior art, and detailed structure is not described) is connected with the turnover shaft 611, and the turnover speed reducer 612 controls the turnover shaft 611 to rotate circumferentially by taking the central axis of the turnover shaft 611 as the central axis, so that the jaw mechanism 63 is driven to overturn and pour the galvanized basket 4 after clamping the galvanized basket.

As shown in fig. 18 and 19, the galvanizing bath 2 is square, but may also be round or oval, the galvanizing device and the centrifugal device are located right above the galvanizing bath 2, and the third main shaft 62 of the transfer device is installed at the edge position of the insulating layer 21 of the galvanizing bath 2 and is located on the straight line of the symmetry axis of the galvanizing bath 2. The shell 1 comprises a heat dissipation area 11 positioned right above the galvanizing bath 2, a left dust collection area 12 and a right dust collection area 13 which are respectively positioned at two sides of the heat dissipation area 11, wherein the left dust collection area 12 and the right dust collection area 13 are used for collecting smoke dust, so that excessive dust and other impurities are prevented from being stored in the upper surface area of the galvanizing bath 2, at least one air outlet 14 and at least one air supply hole 15 are formed between the heat dissipation area 11 and the left dust collection area 12, and at least one air outlet 16 and at least one air supply hole 17 are formed between the heat dissipation area 11 and the right dust collection area 13; the air outlet hole 14 is connected with an air outlet pipeline 19, the air outlet pipeline 19 is communicated with the outside of the shell 1 and used for exhausting hot air in the heat dissipation area 11 to the outside, the air supply hole 15 is connected with an air supply pipeline 18, and the air supply pipeline 18 is connected with a fan outside the shell and used for conveying cold air into the heat dissipation area 11; similarly, the air outlet 16 is provided with another air outlet pipeline communicated with the outside, and the air supply outlet 17 is provided with another air supply pipeline connected with an outside fan.

Taking the center of the galvanizing bath 2 as the center of a circle, making circles circumscribed with the four bracket bodies on the bracket 31, and defining the circles as a first circle A, wherein the size of the first circle A is slightly smaller than the inscribed circle of the galvanizing bath 2; a circle is drawn by taking the orthographic projection of the third main shaft 62 as the center of a circle and the vertical distance from the central axis of the third main shaft 62 to the central axis of the galvanized basket clamped by the turnover mechanism 62 as the radius, and is defined as a second circle B; the first circle A intersects with the second circle B, and the second circle B passes through the central axes of two adjacent bracket bodies, and the second circle B also intersects with the extension lines of two adjacent ridge lines of the galvanizing bath 2.

As shown in fig. 20 to 29, the transfer device has a centrifugal position, a waiting position, a discharging position, a loading position, and a discharging position, wherein the five stations are sequentially arranged in a clockwise direction (or in a counterclockwise direction) with the third spindle 62 as a center, and for facilitating discharging of different types of materials, the discharging position may include a first discharging position and a second discharging position, and the second discharging position is located between the first discharging position and the waiting position, i.e., the centrifugal position, the waiting position, the second discharging position, the first discharging position, the loading position, and the discharging position are arranged in the clockwise direction. When the galvanizing basket is placed on the bracket body and the material to be processed is dipped below the zinc level of the galvanizing bath 2, the bracket body is defined as being in the galvanizing position. It can also be derived from the above that the transfer device reciprocates through a rotation angle of 270 ° about the third main shaft 62.

When the zinc plating basket is in a centrifugal position, the turnover mechanism 61 is used for grabbing the zinc plating basket 4 which is centrifuged on the centrifugal device; when the zinc-plated basket 4 is placed at a material feeding position, the turnover mechanism 61 can turn over the zinc-plated basket 4 in a vertical plane; in the zinc-lowering position, the tilting mechanism 61 can place the galvanizing basket 4 on the bracket body 311.

The production process of the rotary lifting type hot galvanizing production system comprises the following steps:

1) preheating an empty basket: the first lifting mechanism 33 drives the first main shaft 32 to drive the brackets 31 to move downwards to a galvanizing position, and an empty galvanizing basket on each bracket body 311 is soaked below the liquid level of the galvanizing bath 2 to preheat the galvanizing basket and prepare for galvanizing a workpiece; at this time, the centrifugal clamping mechanism 52 of the centrifugal device is positioned right above the position of the first galvanized basket 41 on the first bracket body; the first bracket body is positioned at the position a;

2) when the preheating treatment is finished or the galvanizing procedure is started, at least the surface of the zinc liquid above the first galvanizing basket 41 is subjected to ash scraping treatment;

3) the first main shaft 32 drives the bracket 31 to move upwards until the clamping part of the galvanizing basket is exposed out of the upper surface of the zinc liquid pool 2, and most part of the galvanizing basket is still soaked in the zinc liquid of the zinc liquid pool 2;

4) centrifuging a first empty basket: the centrifugal clamping mechanism 52 and the second spindle 51 move downwards under the driving of the second spindle 51, the centrifugal clamping mechanism 52 is matched with the clamping part, the first galvanized basket 41 is grabbed and then moves upwards, the first galvanized basket 41 is rotated and centrifuged while the first galvanized basket 41 rises, and after the first galvanized basket 41 is completely separated from the liquid level of the zinc liquid pool 2, the second spindle 51 rotates at a high speed to centrifuge the first galvanized basket 41;

5) feeding the first galvanized basket, namely stopping the transfer device at a waiting position until the first galvanized basket 41 finishes centrifuging, rotating the transfer device anticlockwise to grab the first galvanized basket 41 from the centrifugal clamping mechanism 52, and rotating the first galvanized basket 41 clockwise to a discharging position around the third main shaft 62; in order to avoid interference, after the transfer device grabs the first galvanized basket 41, the centrifugal clamping mechanism 52 ascends along with the second spindle 51 under the driving of the second lifting mechanism 53 to avoid a space for the transfer device to rotate, or after the transfer device grabs the first galvanized basket 41, the transfer device descends along with the third spindle 62 under the driving of the third lifting mechanism 64 to avoid the relatively immovable centrifugal clamping mechanism 52; after the turnover mechanism 61 turns over the first galvanized basket 41 to pour the material (even if the material to be processed is not placed in the first galvanized basket 41 at this time), the turnover mechanism continues to rotate clockwise to the upper material level, and the material to be processed is placed in the first galvanized basket 41;

6) and (3) galvanizing: the first spindle 32 rotates clockwise 90 degrees with the bracket 31, so that the centrifugal clamping mechanism 52 of the centrifugal device is positioned right above the position of the first galvanized basket 41 on the second bracket body 312, the transfer device continues to rotate clockwise around the third spindle 62 to the lower galvanizing position, and the first galvanized basket 41 which is finished to be loaded is placed on the first bracket body; before the first galvanizing basket 41 is placed into the galvanizing bath 2, at least the surface of the molten zinc above the first bracket body is subjected to ash scraping treatment; the first bracket body is transferred from the position a to the position b; the transfer device continues to rotate clockwise about the third spindle 62 to the waiting position;

7) centrifuging a second empty basket: when the transfer device transfers the first galvanized basket 41 from the loading position to the unloading position, the centrifugal clamping mechanism 52 and the second spindle 51 are driven by the second spindle 51 to move downwards, the centrifugal clamping mechanism 52 is matched with the clamping part, the second galvanized basket 42 positioned at the position a is grabbed and then moves upwards, the second galvanized basket 42 is rotated and centrifuged when the second galvanized basket 42 ascends, and the second spindle 51 rotates at a high speed to centrifuge the second galvanized basket 42 after the second galvanized basket 42 is completely separated from the liquid level of the molten zinc pool 2; at this time, the material in the first galvanizing basket 41 is in the galvanizing process;

8) the first main shaft 32 drives the bracket 31 to move downwards until the clamping part of the galvanizing basket is immersed in the zinc liquid pool 2;

9) feeding a second galvanizing basket: the transfer device stops at a waiting position and rotates anticlockwise after the second galvanized basket 41 finishes centrifuging, the second galvanized basket 42 is grabbed from the centrifugal clamping mechanism 52 and rotates clockwise around the third main shaft 62 to a discharging position; in order to avoid interference, after the transfer device grabs the second galvanized basket 42, the centrifugal clamping mechanism 52 ascends along with the second spindle 51 under the driving of the second lifting mechanism 53 to avoid space for the transfer device to rotate, or after the transfer device grabs the second galvanized basket 42, the transfer device descends along with the third spindle 62 under the driving of the third lifting mechanism 64 to avoid the relatively immovable centrifugal clamping mechanism 52; after the turnover mechanism 61 turns over the second galvanizing basket 42 to pour the material (even if the material to be processed is not still placed in the second galvanizing basket 42 at this time), the turnover mechanism continues to rotate clockwise to the upper material level, and the material to be processed is placed in the second galvanizing basket 42;

10) and (3) galvanizing: the first spindle 32 rotates clockwise 90 degrees with the bracket 31, so that the centrifugal clamping mechanism 52 of the centrifugal device is positioned right above the position of the third galvanizing basket 43 on the third bracket body 313, the transfer device continues to rotate clockwise around the third spindle 62 to the lower galvanizing position, the first spindle 32 moves upwards with the bracket 31 until the clamping part of the galvanizing basket is exposed out of the upper surface of the galvanizing bath 2, and then the second galvanizing basket 42 which finishes feeding is placed on the second bracket body 312; before the second zinc-plating basket 42 is placed in the zinc-plating bath 2, at least the surface of the molten zinc above the second bracket body 312 is subjected to ash scraping treatment; at this time, the first carriage body is shifted from the position b to the position c, and the second carriage body 312 is shifted from the position a to the position b; the transfer device continues to rotate clockwise about the third spindle 62 to the waiting position;

11) centrifuging the third empty basket: when the transfer device transfers the second galvanized basket 42 from the upper material position to the lower zinc position, the centrifugal clamping mechanism 52 and the second main shaft 51 are driven by the second main shaft 51 to move downwards, the centrifugal clamping mechanism 52 is matched with the clamping part, the third galvanized basket 43 positioned at the position a is grabbed and then moves upwards, the third galvanized basket 43 is rotated and centrifuged while rising, and after the third galvanized basket 43 is completely separated from the liquid level of the molten zinc pool 2, the second main shaft 51 rotates at a high speed to centrifuge the third galvanized basket 43; at this time, the materials in the first galvanizing basket 41 and the second galvanizing basket 42 are in the galvanizing process;

12) the first main shaft 32 drives the bracket 31 to move downwards until the clamping part of the galvanizing basket is immersed in the zinc liquid pool 2;

13) feeding a third galvanizing basket: the transfer device stops at a waiting position and rotates anticlockwise after the third galvanizing basket 43 finishes centrifuging, the third galvanizing basket 43 is grabbed from the centrifugal clamping mechanism 52 and rotates clockwise around the third main shaft 62 to a discharging position; in order to avoid interference, after the transfer device grabs the third galvanized basket 43, the centrifugal clamping mechanism 52 ascends along with the second spindle 51 under the driving of the second lifting mechanism 53 to avoid a space for the transfer device to rotate, or after the transfer device grabs the third galvanized basket 43, the transfer device descends along with the third spindle 62 under the driving of the third lifting mechanism 64 to avoid the relatively immovable centrifugal clamping mechanism 52; after the turnover mechanism 61 turns over the third galvanizing basket 43 to pour the material (even if the material to be processed is not still placed in the third galvanizing basket 43 at this time), the turnover mechanism continues to rotate clockwise to the upper material level, and the material to be processed is placed in the third galvanizing basket 43;

14) and (3) galvanizing: the first spindle 32 rotates clockwise 90 degrees with the bracket 31, so that the centrifugal clamping mechanism 52 of the centrifugal device is positioned right above the position of the fourth galvanizing basket 44 on the fourth bracket body 314, the transfer device continues to rotate clockwise around the third spindle 62 to the lower galvanizing position, the first spindle 32 moves upwards with the bracket 31 until the clamping part of the galvanizing basket is exposed out of the upper surface of the galvanizing bath 2, and then the third galvanizing basket 43 which finishes feeding is placed on the third bracket body 313; before the third galvanizing basket 43 is placed in the galvanizing bath 2, at least the surface of the molten zinc above the third bracket body 313 is subjected to ash scraping treatment; at this time, the first carriage body is transferred from the position c to the position d, the second carriage body 312 is transferred from the position b to the position c, and the third carriage body 313 is transferred from the position a to the position b; the transfer device continues to rotate clockwise about the third spindle 62 to the waiting position;

15) centrifuging the fourth empty basket: when the transfer device transfers the third galvanizing basket 43 from the loading position to the unloading position, the centrifugal clamping mechanism 52 and the second main shaft 51 move downwards under the driving of the second main shaft 51, the centrifugal clamping mechanism 52 is matched with the clamping part, the fourth galvanizing basket 44 positioned at the position a is grabbed and then moves upwards, the fourth galvanizing basket 44 rotates and centrifuges while rising, and after the fourth galvanizing basket 44 is completely separated from the liquid level of the galvanizing bath 2, the second main shaft 51 rotates at a high speed to centrifuge the fourth galvanizing basket 44; at this time, the materials in the first, second and third galvanizing baskets 41, 42 and 43 are in the galvanizing process;

16) the first main shaft 32 drives the bracket 31 to move downwards until the clamping part of the galvanizing basket is immersed in the zinc liquid pool 2;

17) feeding a fourth galvanizing basket: the transfer device stops at a waiting position and rotates anticlockwise after the fourth galvanizing basket 44 finishes centrifuging, the fourth galvanizing basket 44 is grabbed from the centrifugal clamping mechanism 52 and rotates clockwise around the third main shaft 62 to a discharging position; after the turnover mechanism 61 turns over the fourth galvanizing basket 44 to pour the material (even if the material to be processed is not still placed in the fourth galvanizing basket 44 at this time), the turnover mechanism continues to rotate clockwise to the upper material level, and the material to be processed is placed in the fourth galvanizing basket 44;

18) and (3) galvanizing: the first spindle 32 rotates clockwise 90 degrees with the bracket 31, so that the centrifugal clamping mechanism 52 of the centrifugal device is positioned right above the position of the first galvanized basket 41 on the first bracket body, the transfer device continues to rotate clockwise around the third spindle 62 to the lower galvanizing position, the first spindle 32 moves upwards with the bracket 31 until the clamping part of the galvanized basket is exposed out of the upper surface of the molten zinc bath 2, and then the fourth galvanized basket 44 which finishes feeding is placed on the fourth bracket body 314; before the fourth galvanizing basket 44 is placed in the galvanizing bath 2, at least the surface of the molten zinc above the fourth bracket body 314 is subjected to ash scraping treatment; at this time, the first carriage body returns to the position a from the position d, the second carriage body 312 is transferred to the position d from the position c, the third carriage body 313 is transferred to the position c from the position b, and the fourth carriage body 314 is transferred to the position b from the position a; the transfer device continues to rotate clockwise about the third spindle 62 to the waiting position;

19) after the fourth bracket body 314 finishes adding the material to be processed and is transferred to the position b, the material in the first galvanizing basket 41 on the first bracket body rotates for a circle, the galvanizing time is reached, and the galvanizing process is finished, wherein the first galvanizing basket 41 is positioned right below the centrifugal clamping mechanism 52;

20) performing ash scraping treatment on the surface of the molten zinc above the bracket 31, and driving the bracket 31 to move upwards by the first main shaft 32 until the clamping part of the galvanizing basket is exposed out of the upper surface of the molten zinc pool 2;

21) the centrifugal clamping mechanism 52 and the second spindle 51 move downwards under the driving of the second spindle 51, the centrifugal clamping mechanism 52 is matched with the clamping part, the first galvanized basket 41 is grabbed and then moves upwards, the first galvanized basket 41 is rotated and centrifuged while the first galvanized basket 41 rises, and after the first galvanized basket 41 is completely separated from the liquid level of the zinc liquid pool 2, the second spindle 51 rotates at a high speed to centrifuge the first galvanized basket 41;

22) after the centrifugation is finished, the first galvanized basket 41 which is finished with the centrifugation is grabbed from the centrifugal clamping mechanism 52 by the transfer device and rotates clockwise around the third main shaft 62 to a discharging position; the turnover mechanism 61 turns over the first galvanizing basket 41 to pour the material, so as to transfer the processed material, and then continue to rotate clockwise to the upper material level, and place the material to be processed into the first galvanizing basket 41 (if the whole material is galvanized, the first galvanizing basket 41 can be left empty, or the number of the galvanizing baskets can be three, or at least two);

23) the first main shaft 32 rotates clockwise 90 degrees with the bracket 31, if the material in the second galvanizing basket 42 does not finish the galvanizing process, the first main shaft 32 can drive the bracket 31 to move downwards until the clamping part of the galvanizing basket is immersed in the galvanizing zinc liquid in the galvanizing liquid pool 2, and the steps 20 to 22 are repeated when the galvanizing time reaches; generally, after the material in the first galvanizing basket 41 finishes the material pouring operation, the material in the second galvanizing basket 42 also finishes the galvanizing process;

24) the centrifugal clamping mechanism 52 and the second spindle 51 move downwards under the driving of the second spindle 51, the centrifugal clamping mechanism 52 is matched with the clamping part, the second galvanized basket 42 is grabbed and then moves upwards, the second galvanized basket 42 is rotated and centrifuged while rising, and after the second galvanized basket 42 is completely separated from the liquid level of the molten zinc pool 2, the second spindle 51 rotates at a high speed to centrifuge the second galvanized basket 42;

25) after the centrifugation is finished, the transferring device grabs the centrifuged second galvanized basket 42 from the centrifugal clamping mechanism 52 and rotates clockwise around the third main shaft 62 to a discharging position; the turnover mechanism 61 turns over the second galvanizing basket 42 to pour the material, so as to transfer the processed material, and then continue to rotate clockwise to the upper material level, and place the material to be processed into the second galvanizing basket 42 (if the galvanizing of the whole material is completed, the second galvanizing basket 42 can be empty);

26) the first main shaft 32 rotates clockwise 90 degrees with the bracket 31, and the centrifugal clamping mechanism 52 is matched with the transfer device to finish the material pouring process of the third galvanized basket 43 and the fourth galvanized basket 44;

27) repeating the action cycle until the galvanizing process of all the materials is completed.

The above detailed description is provided for illustrative purposes, and is not intended to limit the present invention, and any modifications and variations of the present invention are within the spirit and scope of the following claims.

Claims (5)

1. The utility model provides a rotatory over-and-under type galvanizing rig, can cooperate with centrifugal device which characterized in that: comprises a bracket, a first main shaft (32) for driving the bracket (31) to rotate in the circumferential direction, and a first lifting mechanism (33) for driving the bracket (31) and the first main shaft (32) to move up and down synchronously; the bracket (31) comprises a plurality of bracket bodies (311) arranged along the circumferential direction of the first main shaft (32), the bracket bodies (311) are used for placing the galvanized basket (4), and the bracket (31) rotates in the circumferential direction to enable each bracket body to face the centrifugal device in sequence.

2. The rotary elevating type galvanizing apparatus according to claim 1, characterized in that: the first lifting mechanism (33) comprises a first reduction gearbox (331) connected with the shell (1), a connecting plate (333), lifting screw rods (334) respectively connected to two sides of the connecting plate (333), and a lifting cylinder (332) used for driving the lifting screw rods (334) to synchronously move up and down along a direction parallel to the first main shaft (32).

3. The rotary elevating type galvanizing apparatus according to claim 2, characterized in that: the first spindle sleeve (328) sleeved outside the first spindle (32), a third-stage gear (329) connected with the first spindle sleeve (328) in a matched mode, a middle gear (326) meshed with the third-stage gear (329), and a first-stage gear (323) meshed with the middle gear (326) are arranged in the first reduction gearbox (331), and the rotary servo motor (321) vertically extends into the first reduction gearbox (331) and is connected with the first-stage gear (323) in a matched mode.

4. The rotary lifting type galvanizing device according to claim 1, wherein the bracket (31) further comprises a tray (317) connected with the first spindle (32), the bracket body (311) comprises an L-shaped connecting arm (315) connected with the tray (317), a circular ring body (318) integrally connected with the connecting arm (315), and a V-shaped reinforcing rib (316) arranged between the circular ring body (318) and the connecting arm (315), a plurality of 7-shaped contact convex parts (319) capable of being in contact fit with the galvanizing basket (4) are arranged at an upper opening of the circular ring body (318) along the circumferential direction, and the number of the bracket bodies (311) is four and is uniformly arranged along the circumferential direction of the tray (317).

5. The rotary elevating type galvanizing apparatus according to claim 2, characterized in that: is arranged in a space formed by the galvanizing bath (2) and the shell (1), a clapboard (10) which is parallel to the upper surface of the zinc liquid in the galvanizing bath (2) is arranged in the shell (1), and the first reduction gearbox (331) is connected with the clapboard (10).

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