CN210392945U

CN210392945U - Iron sheet out-of-furnace stacking mechanism

Info

Publication number: CN210392945U
Application number: CN201921217917.1U
Authority: CN
Inventors: 沈华加; 陈盘水; 汪义勇
Original assignee: Huayuan Packaging Xianning Co ltd
Current assignee: Huayuan Packaging Xianning Co ltd
Priority date: 2019-07-27
Filing date: 2019-07-27
Publication date: 2020-04-24
Anticipated expiration: 2029-07-27

Abstract

The utility model provides an iron sheet tapping stacking mechanism, which belongs to the technical field of machinery. The discharge stacking mechanism comprises two rollers rotatably connected to the rack, the two rollers are connected through a driving shaft, the driving shaft is connected with an output shaft of a second stepping motor, a main air pipe is sleeved on the driving shaft, the outer end of each spoke is fixedly connected with the inner wall surface of an outer ring, the inner cavity of each spoke is communicated with the main air pipe, a plurality of third air through holes corresponding to the spokes one by one are formed in the outer ring, the third air through holes are communicated with the inner cavities of the corresponding spokes, the two rollers are respectively positioned on two sides of the carrier frame, a guide block is arranged between the two rollers and is fixedly connected with the main air pipe, the guide block is positioned right above the discharge stacking table, a guide surface is arranged on the guide block, one end of the guide surface is tangent to the peripheral surface of the outer ring, and the distance between the other end of the guide surface and the. The utility model has the advantages of can carry out fine protection to the printing face.

Description

Iron sheet out-of-furnace stacking mechanism

Technical Field

The utility model belongs to the technical field of machinery, a iron sheet tapping stacking mechanism is related to.

Background

In the process of can making, the coiled iron sheet is cut into sheets, then each sheet of iron sheet is printed and dried, and the sheets of iron sheet which can be made into a plurality of iron cans are cut into the corresponding size of a single can and then are pressed into the cans.

In the prior art, a mode of directly conveying the conveying belt is adopted, the iron sheet is in a horizontally distributed state, the number of the simultaneously heated iron sheets is small on a production line with limited length in a workshop, the drying efficiency is low, and hot air directly acts on the printing surface of the iron sheet, so that the situations of overheating, foaming, paint removal and the like of the iron sheet are easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an iron sheet stacking mechanism that comes out of stove to the above-mentioned problem that prior art exists, the utility model aims to solve the technical problem that how to prevent that the printing face from receiving wearing and tearing when the iron sheet comes out of stove.

The purpose of the utility model can be realized by the following technical proposal: the discharging and stacking mechanism for the iron sheet is characterized by comprising a rack, a discharging and stacking platform and a circulating chain, wherein the discharging and stacking platform and the circulating chain are arranged on the rack;

the furnace discharging stacking mechanism comprises two rollers which are rotationally connected on a rack, the two rollers are connected through a driving shaft, the driving shaft is connected with an output shaft of a second stepping motor, a main air pipe is sleeved on the driving shaft and connected with a second air suction pump, the rollers comprise tubular spokes and an annular outer ring, the inner ends of the spokes are fixedly connected with the driving shaft, the outer ends of the spokes are fixedly connected with the inner wall surface of the outer ring, the inner cavities of the spokes are communicated with the main air pipe, a plurality of third air vents which correspond to the spokes one by one are arranged on the outer ring and communicated with the inner cavities of the corresponding spokes, the two rollers are respectively positioned at two sides of the carrier, a guide block is arranged between the two rollers and is fixedly connected with the main air pipe, and the guide block is positioned right above the discharging stacking table, the guide block is provided with a guide surface, one end of the guide surface is tangent to the peripheral surface of the outer ring, and the distance between the other end of the guide surface and the driving shaft is larger than the radius of the outer ring; each outer ring is correspondingly provided with a shielding plate which is fan-shaped, and the shielding plate is attached to the outer wall surface of the outer ring between the guide block and the highest point of the outer ring.

In the process of discharging, the printed surface of the iron sheet also needs to be protected, although the printed surface of the iron sheet finishes the drying process, the temperature is high, and the stability of the paint surface is poor.

This unloading mechanism adopts the gyro wheel that the girth is greater than iron sheet length far away, and third through-hole department on the lateral surface of the outer lane of gyro wheel has carries out absorbent negative pressure to the iron sheet, and the iron sheet receives the absorption and wraps and attach on the outer lane when the outer lane lateral surface, and is slightly curly pattern, is close to the guide block until the initial entering end of iron sheet, receives the driving of guide surface on the guide block, and the outer wall of outer lane is peeled off slowly to the iron sheet to fall into to ejection of compact stack bench.

The driving shaft is rotatably connected in the main air pipe, and the shielding plate can shield part of the third air vents on the ineffective outer wall surface of the outer ring, so that the negative pressure acting on the iron sheet is larger, and the iron sheet is prevented from sliding off.

Due to the fact that blanking is conducted in the mode, the printing surface of the iron sheet is completely free of contact of external hardware, good protection is conducted on the printing surface, the outer edge of the iron sheet cannot be impacted, the guide surface on the guide block is also a smooth transition surface and acts on the middle of the iron sheet, and the influence on the iron sheet is small.

In the above-mentioned iron sheet tapping stacking mechanism, the highest point of the outer ring is located above the horizontal plane where the axis of the circulating chain is located.

When the iron sheet is about to be in a horizontal position, the iron sheet is absorbed and supported, so that the iron sheet is prevented from sliding off the carrier.

In the above-mentioned iron sheet tapping stacking mechanism, the discharge stacking table is provided with a blanking hole and a stacking hole, an opening at the upper end of the blanking hole is larger than an opening at the lower end, and the stacking hole is connected with the lower end of the blanking hole.

Drawings

FIG. 1 is a schematic structural diagram of a drying line for can-making tinplate.

FIG. 2 is a schematic view of the position structure of the carriage and the transition conveyor belt when the iron sheet is fed into the furnace.

Fig. 3 is a cross-sectional view of a transition conveyor belt.

Fig. 4 is a schematic structural view of the blanking mechanism.

FIG. 5 is a schematic view of the position structure of the carriage and the roller during tapping of the iron sheet.

Fig. 6 is a schematic perspective view of the roller.

In the figure, 1, a feeding conveyer belt; 2. discharging and stacking platforms; 21. a blanking hole; 22. stacking holes; 3. a baking oven; 31. circulating the chain; 32. a carrier; 321. a bracket arm; 322. a connecting plate; 323. a limiting strip; 33. a drive wheel; 34. a driven wheel; 4. a transition conveyor belt; 41. a first vent hole; 42. a first stepper motor; 43. a control panel; 44. a first air cavity; 45. a second vent hole; 46. a position sensor; 47. an auxiliary conveyor belt; 5. a roller; 51. a drive shaft; 52. a main air pipe; 53. a spoke; 54. an outer ring; 55. a third vent hole; 56. a guide block; 57. a shutter; 58. a second stepper motor.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in FIG. 1, the production line comprises a frame, a feeding conveyer belt 1 disposed on the frame, a discharging stacking platform 2 disposed on the frame, and a baking oven 3 located between the feeding conveyer belt 1 and the discharging stacking platform 2, wherein the baking oven 3 comprises an oven body and a circulating chain 31, each link of the circulating chain 31 is fixedly provided with a carriage 32, the circulating chain 31 is drawn by a driving wheel 33 and a driven wheel 34, each carriage 32 on the straight section of the circulating chain 31 is located in the baking oven 3, the driving wheel 33 and the driven wheel 34 are respectively located at the inlet and the outlet of the baking oven 3, one end of the carriage 32 close to the circulating chain 31 and one end of the carriage 32 far from the circulating chain 31 are respectively provided with a limiting strip 323, the limiting strip 323 is located at one side of the moving direction of the carriage 32, each carriage 32 on the side of the feeding conveyer belt 1 close to the driving wheel 33, each carriage 32 on the side of the discharging stacking platform 2 close to, heating plates are respectively arranged on two side surfaces of the baking oven 3, which are vertical to the flat surface of the circulating chain 31; the thickness of the limiting strip 323 is equal to the distance between the adjacent carriers 32 on the straight section of the circulating chain 31;

a feeding mechanism for driving the iron sheets to move to the carrying frames 32 from the feeding conveyer belt 1 is arranged between the feeding conveyer belt 1 and one end of the circulating chain 31 close to the inlet, and a discharging mechanism for taking out the iron sheets on the carrying frames 32 one by one and stacking the iron sheets on the discharging and stacking table 2 is arranged between the discharging and stacking table 2 and one end of the circulating chain 31 close to the outlet.

Treat the printing iron sheet of drying and longitudinally distribute in toasting stove 3, in the toasting stove 3 of same length, the capacity greatly increased that it toasted, the printing face of the printing iron sheet of longitudinally distributed moreover is not direct to the hot plate, can effectually avoid the printing face transition to be heated and swell and fried lacquer.

The thickness of the two limiting strips 323 arranged on the carriage 32 is equal to the distance between the adjacent carriages 32, so that the area of the section bar between the adjacent carriages 32 in the straight section, which is wrapped by the iron sheet, can be prevented from inclining the iron sheet and rubbing the carriage 32 due to vibration.

In foretell can making tin printing drying line, pan feeding mechanism includes first manipulator, has a plurality of sucking discs one on the first manipulator, and each sucking disc one is connected a first air pump, and first manipulator can get each iron sheet on the pan feeding conveyer belt 1 one by one and put to each carrier frame 32 on, and discharge mechanism includes the second manipulator, has a plurality of sucking discs two on the second manipulator, and a second air pump is connected to each sucking disc two, and the second manipulator can get the iron sheet on each carrier frame 32 one by one and put to unloading stack bench.

The furnace entering and discharging of the iron sheet can be realized through the traditional manipulator, and the structure of the first sucker and the structure of the second sucker both belong to a common picking and placing mode for the flaky smooth workpiece in the industrial production process, and are not repeated herein.

As shown in fig. 1, 2 and 3, the feeding mechanism comprises at least one transition conveyor belt 4, the transition conveyor belt 4 is located between the feeding conveyor belt 1 and the inlet of the baking oven 3, the carrier frame 32 comprises two support arms 321 and a connecting plate 322 connecting the inner ends of the two support arms 321, a clearance between the two support arms 321 forms an avoidance port capable of avoiding the transition conveyor belt 4, first vent holes 41 penetrating through two side surfaces of the transition conveyor belt 4 are equidistantly arranged on the transition conveyor belt 4, the transition conveyor belt 4 is drawn by two transition rollers, one of the transition rollers is driven by a first stepping motor 42, a control plate 43 fixed on the frame is arranged between two flat and straight sections of the transition conveyor belt 4, a first air cavity 44 is arranged in the control plate 43, the first air cavity 44 is connected with a first air suction pump, a plurality of second vent holes 45 communicated with the first air cavity 44 are arranged on the upper surface of the control plate 43, the space of the first vent hole 41 is smaller than the aperture of the second vent hole 45, the minimum gap between the adjacent first vent holes 41 is smaller than the aperture of the second vent hole 45, the upper surface of the control plate 43 can be tightly attached to the inner side surface of the flat straight section of the transition conveying belt close to the upper surface of the control plate 43, a position sensor 46 which is positioned between the two support arms 321 and in the same plane with the transition conveying belt 4 is arranged on the rack, and the first stepping motor 42 can be suspended after the position sensor 46 is triggered.

The printing surface of each iron sheet on the feeding conveyer belt 1 faces upwards, in order to prevent the printing surface of the iron sheet from being contacted with friction and other objects before entering the furnace, a lifting-up type furnace entering mode is adopted, the transition conveyer belt 4 acts on the lower surface of the iron sheet, when the feeding conveyer belt 1 conveys the iron sheet to the position of the transition conveyer belt 4 one by one, the overlapping part of the first vent hole 41 and the second vent hole 45 is continuously changed, so that the negative pressure acting on the lower surface of the iron sheet is continuously changed, the process aims at reducing and buffering the iron sheet, the iron sheet is prevented from impacting the limiting strip 323 at the inner end of the carrier frame 32 to cause the deformation of the edge part of the iron sheet, when the iron sheet reaches the position of the position sensor 46, the first stepping motor 42 for controlling the operation of the transition conveyer belt 4 is controlled, the transition conveyer belt 4 is suspended, the adsorption force between the control plate 43 and the transition, the stopping position of the iron sheet is accurate, meanwhile, the iron sheet is adhered to the upper surface of the transition conveying belt 4 under the action of negative pressure, the iron sheet is peeled off from the transition conveying belt 4 until the iron sheet is lifted from the carrier frame 32 running from bottom to top, the iron sheet leaves the position sensor 46, the first stepping motor 42 is restarted, the actions are repeated, and the next iron sheet is fed into the furnace.

First air vent 41 and second air vent 45's setting and the setting of both sizes, can ensure on the negative pressure can act on transition conveyer belt 4's upper surface all the time, only the size of negative pressure changes along with the change of the overlapping area of first air vent 41 with second air vent 45, ensure that the iron sheet can receive the damping action of negative pressure all the time, cause the iron sheet to fly out and out of control when avoiding first air vent 41 and second air vent 45 to overlap completely, simultaneously, the lower surface of transition conveyer belt 4 also receives the effect of negative pressure all the time, thereby can cause the drag power that offsets inertial force and avoid transition conveyer belt 4 to kick-back to transition conveyer belt 4 in the twinkling of an eye that transition conveyer belt 4 stops, make whole process position precision high, good stability, the iron sheet protection is complete.

The output shaft of the first stepping motor 42 is further connected with auxiliary conveyor belts 47 which are positioned at two sides of the transition conveyor belt 4 and are respectively positioned at two sides of the two support arms 321. In order to adapt to the bearing of the iron sheet and the transition conveyor belt 4, the structure of the carrier frame 32 can only be partially contacted with the iron sheet, when the iron sheet enters the furnace, the iron sheet is subjected to larger impact force, and in order to avoid the iron sheet from inclining or twisting when the iron sheet enters the furnace, a plurality of auxiliary conveyor belts 47 are arranged to increase the bearing area of the iron sheet, so that the stability of the auxiliary conveyor belts is improved.

There are two transition belts 4 and a position sensor 46 is located on the frame between the two transition belts 4.

As shown in fig. 1, 4, 5 and 6, the blanking mechanism includes two rollers 5 rotatably connected to the frame, the two rollers 5 are connected through a driving shaft 51, the driving shaft 51 is connected to an output shaft of a second stepping motor 58, a main air pipe 52 is sleeved on the driving shaft 51, the main air pipe 52 is connected to a second air pump, the rollers 5 include tubular spokes 53 and annular outer rings 54, inner ends of the spokes 53 are fixedly connected to the driving shaft 51, outer ends of the spokes 53 are fixedly connected to an inner wall surface of the outer rings 54, inner cavities of the spokes 53 are communicated with the main air pipe 52, the outer rings 54 are provided with a plurality of third vent holes 55 corresponding to the spokes 53 one by one, the third vent holes 55 are communicated with inner cavities of the corresponding spokes 53, the two rollers 5 are respectively located at two sides of the carrier frame 32, a guide block 56 is arranged between the two rollers, and the guide block 56 is fixedly connected to the main air pipe 52, the guide block 56 is positioned right above the discharging stacking platform 2, a guide surface is arranged on the guide block 56, one end of the guide surface is tangent to the peripheral surface of the outer ring 54, and the distance between the other end of the guide surface and the driving shaft 51 is larger than the radius of the outer ring 54; each outer ring 54 is correspondingly provided with a shielding plate 57, the shielding plate 57 is in a sector shape, and the shielding plate 57 is attached to the outer wall surface of the outer ring 54 between the guide block 56 and the highest point of the outer ring 54.

This unloading mechanism adopts the gyro wheel 5 that the girth is greater than iron sheet length far away, and third through-hole 55 department on the lateral surface of the outer lane 54 of gyro wheel 5 has the negative pressure that carries out absorption to the iron sheet, and the iron sheet receives the absorption and wraps on outer lane 54 when the lateral surface through outer lane 54, and is the pattern that curls slightly, is close to guide block 56 until the initial entering end of iron sheet, receives the driving of the up-directed surface of guide block 56, and the outer wall of outer lane 54 is peeled off slowly to the iron sheet falls into to ejection of compact stack platform 2.

The driving shaft 51 is rotatably connected in the main air pipe 52, and the shielding plate 57 can shield part of the third vent holes 55 on the outer wall surface of the ineffective outer ring 54, so that the negative pressure acting on the iron sheet is larger, and the iron sheet is prevented from sliding off.

Due to the fact that blanking is conducted in the mode, the printing surface of the iron sheet is not contacted with external hardware completely, the iron sheet is well protected, the outer edge of the iron sheet cannot be impacted, the guide surface on the guide block 56 is a smooth transition surface and acts on the middle of the iron sheet, and the influence on the iron sheet is small.

The highest point of the outer ring 54 is located above the horizontal plane of the axis of the endless chain 31. When the iron sheet is about to be in the horizontal position, the iron sheet is absorbed and supported, so that the iron sheet is prevented from sliding off the carrier frame 32. The discharging stacking platform 2 is provided with a discharging hole 21 and a stacking hole 22, the upper end opening of the discharging hole 21 is larger than the lower end opening, and the stacking hole 22 is connected with the lower end of the discharging hole 21.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The tapping stacking mechanism for the iron sheet is characterized by comprising a rack, a discharging stacking platform (2) and a circulating chain (31), wherein the discharging stacking platform and the circulating chain are arranged on the rack, each chain link of the circulating chain (31) is fixedly provided with a carrier (32), the circulating chain (31) is pulled by a driving wheel (33) and a driven wheel (34), and each carrier (32) on one side, close to the driven wheel (34), of the discharging stacking platform (2);

the discharging stacking mechanism comprises two rollers (5) which are rotatably connected to a rack, the two rollers (5) are connected through a driving shaft (51), the driving shaft (51) is connected with an output shaft of a second stepping motor (58), a main air pipe (52) is sleeved on the driving shaft (51), the main air pipe (52) is connected with a second air suction pump, the rollers (5) comprise tubular spokes (53) and an annular outer ring (54), the inner ends of the spokes (53) are fixedly connected with the driving shaft (51), the outer ends of the spokes (53) are fixedly connected with the inner wall surface of the outer ring (54), the inner cavities of the spokes (53) are communicated with the main air pipe (52), a plurality of third air through holes (55) which are in one-to-one correspondence with the spokes (53) are formed in the outer ring (54), and the third air through holes (55) are communicated with the inner cavities of the corresponding spokes (53), the two rollers (5) are respectively positioned at two sides of the carrier (32), a guide block (56) is arranged between the two rollers, the guide block (56) is fixedly connected with the main air pipe (52), the guide block (56) is positioned right above the discharging and stacking platform (2), a guide surface is arranged on the guide block (56), one end of the guide surface is tangent to the peripheral surface of the outer ring (54), and the distance between the other end of the guide surface and the driving shaft (51) is larger than the radius of the outer ring (54); each outer ring (54) is correspondingly provided with a shielding plate (57), the shielding plates (57) are fan-shaped, and the shielding plates (57) are attached to the outer wall surface of the outer ring (54) between the guide block (56) and the highest point of the outer ring (54).

2. The tapping and stacking mechanism of iron sheet as claimed in claim 1, wherein the highest point of said outer ring (54) is located above the horizontal plane of the axis of the endless chain (31).

3. The tapping and stacking mechanism for iron sheets as claimed in claim 1 or 2, wherein the tapping and stacking platform (2) has a blanking hole (21) and a stacking hole (22), the upper opening of the blanking hole (21) is larger than the lower opening, and the stacking hole (22) is connected with the lower end of the blanking hole (21).