Tin-plated sheet coiling mechanism and processing line

Abstract

The present invention discloses a tinplate coiling mechanism and a processing line, which relate to the technical field of tinplate production, and include a frame and tinplate finished products, wherein a first conveyor belt is arranged on the upper part of the frame, and a second conveyor belt is arranged on the lower part of the frame, and further includes: a stacking area, which is arranged above the second conveyor belt; a track plate, which is used to support the tinplate finished products, and the track plate is slidably connected to both sides of the frame; a releasing mechanism, wherein the tinplate finished products are transported to the track plate by the first conveyor belt, and the releasing mechanism is squeezed by the tinplate finished products so that the track plate opens and the tinplate finished products fall to the stacking area; and multiple tinplate finished products are automatically stacked, and after a certain number of tinplate finished products are stacked, the supporting plate is passively lowered in height, and the stacked tinplate finished products are discharged as a whole through the second transmission belt, and there is no need for manual intervention on the tinplate finished products, thereby reducing labor costs and improving the safety of the production line.

Description

Technical Field

[0001] The invention relates to the technical field of tinplate production, in particular to a tinplate coiling mechanism and a processing line. Background Art

[0002] Tinplate refers to a steel plate with a thin layer of metal tin on the surface. Tinplate is made by rolling low carbon steel into a steel plate of a certain thickness, pickling, cold rolling, electrolytic cleaning annealing, flattening, trimming, cleaning, electroplating, soft melting, passivation treatment, oiling and shearing into tinplate finished products.

[0003] After the tinplate products are transported by the conveyor belt, they need to be stacked together for transportation. Currently, a pallet is placed at the end of the production line. The tinplates transported by the conveyor belt can be stacked on the pallet in sequence. After a certain number of tinplates are collected, the pallet is pushed away from the unloading position by the corresponding hydraulic equipment. When the tinplate is separated from the conveyor belt, its movement trajectory is uncontrollable. The tinplate products need to be guided and moved manually to ensure that the tinplate products can be neatly stacked together. However, the tinplate products are always in motion. It is difficult to intervene in their movement path manually, and it also requires high manual proficiency. In addition, the tinplate in motion is also dangerous, which increases labor costs and also increases the danger of the production line. Summary of the invention

[0004] The object of the present invention is to provide a tin-plated sheet coiling mechanism and processing line to solve the deficiencies in the above-mentioned prior art.

[0005] In order to achieve the above object, the present invention provides the following technical solution: a tinplate coiling mechanism, comprising a frame and a tinplate finished product, wherein a first conveyor belt is arranged on the upper part of the frame, and a second conveyor belt is arranged on the lower part of the frame, and further comprising:

[0006] a stacking area, the stacking area being arranged above the second conveyor belt;

[0007] A track plate, which is used to support the finished tinplate product, and the track plate is slidably connected to both sides of the frame;

[0008] A release mechanism, wherein the finished tinplate is conveyed to the track plate by the first conveyor belt, and the release mechanism is squeezed by the finished tinplate so that the track plate is opened and the finished tinplate falls to the stacking area;

[0009] The quantitative release assembly includes a supporting plate and a counting roller, a pin and a pin hole. The supporting plate is slidably connected to both sides of the frame, the tinned sheet products are stacked on the supporting plate, the counting roller is rotatably connected to the frame, the pin is arranged at the lower part of the supporting plate, and the pin hole is opened on the counting roller;

[0010] The transmission part, the counting roller and the track plate are connected through the transmission part. Every time the track plate releases the finished tinplate product, the counting roller passively rotates a certain angle. After multiple releases, the pin is inserted into the pin hole, the supporting plate falls, the finished tinplate product contacts the second conveyor belt, and the stacked tinplate product leaves the stacking area.

[0011] Preferably, the upper surface of the track plate and the highest point of the first conveyor belt are in the same horizontal plane.

[0012] Preferably, the release mechanism includes a sliding rod, a tension member, a fixed plate and a force arm, the sliding rod is slidably inserted on the frame, the tension member applies a pulling force to the sliding rod in the direction of the first conveyor belt, the fixed plate is fixedly installed on the sliding rod, one end of the force arm is hinged to the fixed plate, and the other end of the force arm is hinged to the track plate.

[0013] Preferably, a base is provided at the lower portion of the supporting plate, the pin is fixedly mounted on the base, an elastic member is provided on the lower surface of the base, and the elastic member applies a vertical upward thrust to the base.

[0014] Preferably, a ball is provided at the lower part of the pin, and the ball is connected to the circumferential surface of the counting roller in a rolling manner.

[0015] Preferably, the transmission part includes a rack, a first transmission shaft, a first gear, a second transmission shaft, a second gear, a third transmission shaft, a third gear and a one-way rotating part, the first transmission shaft is rotatably connected to the outside of the frame, the rack is fixedly mounted on the track plate, the first gear is fixedly mounted on the upper part of the first transmission shaft, the rack is meshed with the first gear, the second transmission shaft is rotatably connected to the lower part of the frame, the second transmission shaft and the first transmission shaft are transmission-connected via the one-way rotating part, so that the first transmission shaft and the second transmission shaft are transmitted in one direction, one end of the third transmission shaft is fixedly mounted on the counting roller, the third gear is fixedly mounted on the other end of the third transmission shaft, the second gear is fixedly mounted on the lower end of the second transmission shaft, and the second gear and the third gear are meshed with each other.

[0016] Preferably, the one-way rotating part includes a rotating disk, an inclined block, a core shaft, a sleeve, and a swing block. The core shaft is fixedly mounted on the first transmission shaft, the sleeve is rotatably connected to the outside of the core shaft, the inclined block is fixedly mounted on the sleeve, the rotating disk is fixedly mounted on the upper part of the second transmission shaft, and a plurality of inclined blocks are evenly distributed on the upper surface of the rotating disk.

[0017] Preferably, when the track plate is opened outward, the inclined block abuts against a vertical surface of the inclined block, so that the first transmission shaft and the second transmission shaft rotate synchronously.

[0018] Preferably, it includes a synchronous structure, wherein the first conveyor belt and the second conveyor belt are connected through a synchronous structure transmission, the synchronous structure includes a first sprocket, a second sprocket, and a chain, the first sprocket is fixedly mounted on the first conveyor belt, the second sprocket is fixedly mounted on the second conveyor belt, and the first sprocket and the second sprocket are connected through a chain transmission.

[0019] A processing line comprises a tin-plated sheet coiling mechanism.

[0020] In the above technical scheme, the present invention provides a tinplate coiling mechanism and processing line, which realizes automatic stacking of multiple tinplate finished products by setting a stacking area at the end of the first conveyor belt. After stacking to a certain number, the support plate passively descends in height to make the tinplate finished products contact the second conveyor belt, so that the stacked tinplate finished products can be discharged as a whole through the second conveyor belt. There is no need for manual intervention in the tinplate finished products, which reduces labor costs and improves the safety of the production line. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0022] Figure 1 It is a schematic diagram of the overall structure of a tin-plated sheet coiling mechanism and a processing line of the present invention;

[0023] Figure 2 It is a structural schematic diagram of a tinplate coiling mechanism and a tinplate finished product of a processing line of the present invention when being conveyed to a track plate;

[0024] Figure 3 The invention relates to a tin plate coiling mechanism and a processing line. Figure 2 The schematic diagram of the structure after the enlargement of A in the middle;

[0025] Figure 4 The invention relates to a tin plate coiling mechanism and a processing line. Figure 2 The schematic diagram of the structure after the enlargement of B in the middle;

[0026] Figure 5 It is a structural schematic diagram of a tinplate coiling mechanism and a processing line of the present invention when the finished tinplate products fall into the stacking area;

[0027] Figure 6 The invention relates to a tin plate coiling mechanism and a processing line. Figure 5 The schematic diagram of the structure after the enlargement of C in the middle;

[0028] Figure 7 The invention relates to a tin plate coiling mechanism and a processing line. Figure 5 Partial cross-sectional view;

[0029] Figure 8 It is a schematic diagram of the structure of a quantitative release component of a tin plate coiling mechanism and a processing line of the present invention;

[0030] Fig. 9 It is a structural schematic diagram of a tinplate coiling mechanism and a quantitative release component of a processing line of the present invention after the support plate is lowered;

[0031] Fig.10 It is a schematic diagram of the structure of a tin-plated sheet coiling mechanism and a one-way rotating part of a processing line of the present invention;

[0032] Fig.11 The present invention is a schematic diagram of the synchronous structure of a tin-plated sheet coiling mechanism and a processing line.

[0033] Explanation of the reference numerals: 1. frame; 101. stacking area; 111. base; 112. supporting plate; 113. elastic member; 114. counting roller; 1141. pin hole; 115. pin; 2. track plate; 3. release mechanism; 31. sliding rod; 32. tension member; 33. fixing plate; 34. lever arm; 4. transmission part; 41. rack; 42. first transmission shaft; 421. first gear; 423. spindle; 424. outer sleeve; 425. swing block; 43. second transmission shaft; 431. second gear; 432. rotating disk; 433. inclined block; 44. third transmission shaft; 441. third gear; 46. one-way rotating part; 5. first conveyor belt; 6. second conveyor belt; 8. synchronous structure; 81. first sprocket; 82. second sprocket; 83. chain; 9. finished tinplate. DETAILED DESCRIPTION

[0034] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0035] See also Figure 1-11 The embodiment of the present invention provides a tinplate coiling mechanism, comprising a frame 1 and a tinplate finished product 9, wherein a first conveyor belt 5 is disposed on the upper portion of the frame 1, and a second conveyor belt 6 is disposed on the lower portion of the frame 1, and further comprising:

[0036] A stacking area 101, wherein the stacking area 101 is arranged above the second conveyor belt 6;

[0037] A track plate 2, which is used to support the tin-plated sheet product 9, and the track plate 2 is slidably connected to both sides of the frame 1;

[0038] The release mechanism 3, the tinplate product 9 is transported to the track plate 2 through the first conveyor belt 5, and the release mechanism 3 is squeezed by the tinplate product 9, so that the track plate 2 is opened, and the tinplate product 9 falls to the stacking area 101;

[0039] The quantitative release assembly includes a supporting plate 112 and a counting roller 114, a pin 115 and a pin hole 1141. The supporting plate 112 is slidably connected to both sides of the frame 1, the tinned sheet product 9 is stacked on the supporting plate 112, the counting roller 114 is rotatably connected to the frame 1, the pin 115 is arranged at the lower part of the supporting plate 112, and the pin hole 1141 is opened on the counting roller 114;

[0040] The transmission part 4, the counting roller 114 and the track plate 2 are connected by the transmission part 4. Each time the track plate 2 releases the tin-plated sheet product 9, the counting roller 114 passively rotates a certain angle. After multiple releases, the pin 115 is inserted into the pin hole 1141, and the supporting plate 112 falls. The tin-plated sheet product 9 contacts the second conveyor belt 6, and the stacked tin-plated sheet product 9 is separated from the stacking area 101.

[0041] In the embodiment of the present invention, the second conveyor belt 6 is located at the end of the first conveyor belt 5, and is arranged above the second conveyor belt 6 through the track plate 2. The track plate 2 is used to plug the tinplate finished product 9 conveyed by the first conveyor belt 5. Under the conveying action of the first conveyor belt 5, the tinplate finished product 9 can be conveyed to the track plate 2. The tinplate finished product 9 is also located directly above the second conveyor belt 6. After the tinplate finished product 9 falls, it can smoothly fall into the stacking area 101;

[0042] The track plate 2 is slidably connected to both sides of the frame 1. Through the support of the track plate 2, the tin-plated sheet product 9 conveyed by the first conveyor belt 5 can be plugged in;

[0043] As the first conveyor belt 5 transports the finished tinplate 9 to move, the finished tinplate 9 will squeeze the release mechanism 3. After the release mechanism 3 is squeezed, it will squeeze the track plate 2, so that the track plate 2 opens toward both sides of the frame 1. After the track plate 2 opens, it will separate from the finished tinplate 9. The finished tinplate 9 loses support and falls to the stacking area 101.

[0044] The supporting plate 112 is in the stacking area 101, and the tin-plated sheet product 9 is supported by the supporting plate 112, so that the tin-plated sheet product 9 will not contact the second conveyor belt 6 below, so that the tin-plated sheet product 9 remains in a static state, and as the first conveyor belt 5 continues to transport new tin-plated sheet products 9 to the track plate 2, the track plate 2 is released again, and the tin-plated sheet products 9 will be stacked, and through the transmission effect of the transmission part 4, each time the track plate 2 is opened, it will drive The movable counting roller 114 rotates, and a pin hole 1141 is opened on the counting roller 114. When the pin hole 1141 rotates to correspond to the pin 115, the pin 115 must be inserted downward into the pin hole 1141. Without the support of the pin 115, the supporting plate 112 will move downward. After the supporting plate 112 moves downward, the tin-plated sheet product 9 will contact the second conveyor belt 6. Under the conveying action of the second conveyor belt 6, the stacked tin-plated sheet product 9 will leave the stacking area 101.

[0045] In the embodiment of the present invention, the upper surface of the track plate 2 and the highest point of the first conveyor belt 5 are in the same horizontal plane.

[0046] The upper surface of the track plate 2 is at the same height as the highest point of the first conveyor belt 5, so that the tinplate products 9 transported by the first conveyor belt 5 can be smoothly moved onto the track plate 2. Since the distance between the tinplate products 9 on the first conveyor belt 5 is relatively close, even if the tinplate products 9 move onto the track plate 2, they can still be squeezed by the tinplate products 9 at the rear to ensure that the tinplate products 9 in the front can still move after losing the power of the first conveyor belt 5, to ensure that the tinplate products 9 have sufficient squeezing force on the release mechanism 3.

[0047] In the embodiments of the present invention, please refer to Figure 2 , Figure 3 , Figure 5 and Figure 6 The release mechanism 3 includes a sliding rod 31, a tension member 32, a fixed plate 33 and a force arm 34. The sliding rod 31 is slidably inserted on the frame 1. The tension member 32 applies a pulling force to the sliding rod 31 in the direction of the first conveyor belt 5. The fixed plate 33 is fixedly installed on the sliding rod 31. One end of the force arm 34 is hinged on the fixed plate 33, and the other end of the force arm 34 is hinged on the track plate 2.

[0048] The axial direction of the sliding rod 31 is parallel to the advancing direction of the tin-plated sheet product 9. When the tin-plated sheet product 9 moves to the track plate 2, the tin-plated sheet product 9 will squeeze the fixing plate 33, so that the release mechanism 3 is released. Figure 2 Switch to Figure 5As shown, when the tin-plated sheet product 9 squeezes the fixed plate 33, the fixed plate 33 applies a thrust to the sliding rod 31, and the sliding rod 31 overcomes the pulling force of the tension piece 32 to move, so that the fixed plate 33 can move synchronously. When the fixed plate 33 moves, the angle of the force arm 34 will change. When the force arm 34 swings, a thrust will be applied to the track plate 2. Under the action of the thrust, the track plate 2 will open outward. After opening, the track plate 2 will separate from the tin-plated sheet product 9, so that the tin-plated sheet product 9 will fall down to the stacking area 101. At this time, the extrusion of the tin-plated sheet product 9 is lost. Under the pulling force of the tension piece 32, the fixed plate 33 will be Figure 5 Status reset to Figure 2 state, which can drive the track plate 2 to retract again, so that when the next tinplate product 9 is transported, the track plate 2 can support the tinplate product 9 again.

[0049] In the embodiments of the present invention, please refer to Figure 8 and Fig. 9 A base 111 is disposed at the lower portion of the supporting plate 112 , and the pin 115 is fixedly mounted on the base 111 . An elastic member 113 is disposed on the lower surface of the base 111 , and the elastic member 113 applies a vertical upward thrust to the base 111 .

[0050] Each time the track plate 2 is opened, the counting roller 114 will be driven to rotate at a certain angle through the transmission part 4. As the tin-plated sheet product 9 continues to fall, the rotation angle of the counting roller 114 is gradually superimposed each time until the pin hole 1141 and the pin 115 coincide with each other. In this way, under the action of gravity, the support plate 112 will overcome the elastic force of the elastic member 113 and move downward, and the pin 115 will be inserted into the pin hole 1141. After the inner support plate 112 moves downward, the stacked tin-plated sheet products 9 will contact the second conveyor belt 6. Under the transportation of the second conveyor belt 6, the stacked tin-plated sheet products 9 will be separated from the stacking area 101 to complete the discharge. After the tin-plated sheet product 9 is separated from the support plate 112, under the elastic force of the elastic member 113, the support plate 112 will reset upward, so that the pin 115 will be separated from the pin hole 1141 again.

[0051] Furthermore, the pin 115 also has the following function. During the discharging process of the stacked tinplate products 9, since the first conveyor belt 5 is still in working condition, the tinplate products 9 still have a tendency to move forward. Therefore, in order to prevent the tinplate products 9 from falling during the discharging process, the pin 115 is inserted into the pin hole 1141, which can limit the rotation of the counting roller 114. In this way, the transmission part 4 will also be locked at an angle, and the transmission part 4 cannot continue to rotate, so that the release mechanism 3 cannot smoothly drive the track plate 2 to open. In this way, the tinplate products 9 are prevented from falling during the discharging process, and the stability of each tinplate product 9 when falling is guaranteed.

[0052] In yet another embodiment of the present invention, as shown in the attached Figure 7 As shown in the figure, when the tinplate finished product 9 falls to the stacking area 101, its two sides and the front are restricted by the frame 1, and there is an opening only in the forward direction. Therefore, during the falling process of the tinplate finished product 9, the air can only be discharged from the forward direction. The air flow rate is fast, and the impurities such as cutting debris and water stains left over from washing on the tinplate finished product 9 can be discharged along with the air flow, thereby reducing the residues between the tinplate finished products 9 and having a certain self-cleaning ability.

[0053] In the embodiment of the present invention, a ball is provided at the lower part of the pin 115, and the ball is rollingly connected to the circumferential surface of the counting roller 114. By providing the ball at the lower part of the pin 115, the friction between the counting roller 114 and the pin 115 is reduced, so that the counting roller 114 rotates more smoothly.

[0054] In the embodiments of the present invention, please refer to Figure 4 and Fig.10The transmission part 4 includes a rack 41, a first transmission shaft 42, a first gear 421, a second transmission shaft 43, a second gear 431, a third transmission shaft 44, a third gear 441 and a one-way rotating part 46. The first transmission shaft 42 is rotatably connected to the outside of the frame 1. The rack 41 is fixedly mounted on the track plate 2. The first gear 421 is fixedly mounted on the upper part of the first transmission shaft 42. The rack 41 is meshed with the first gear 421. The second transmission shaft 43 is rotatably connected to the lower part of the frame 1. The second transmission shaft 43 and the first transmission shaft 42 are connected through the one-way rotating part 46 to enable unidirectional transmission between the first transmission shaft 42 and the second transmission shaft 43. The third transmission shaft 44 One end is fixedly mounted on the counting roller 114, the third gear 441 is fixedly mounted on the other end of the third transmission shaft 44, the second gear 431 is fixedly mounted on the lower end of the second transmission shaft 43, the second gear 431 and the third gear 441 are meshed with each other, the one-way rotating part 46 includes a rotating disk 432, an inclined block 433, a core shaft 423, a jacket 424, and a swing block 425, the core shaft 423 is fixedly mounted on the first transmission shaft 42, the jacket 424 is rotatably connected to the outside of the core shaft 423, the inclined block 433 is fixedly mounted on the jacket 424, the rotating disk 432 is fixedly mounted on the upper part of the second transmission shaft 43, and a plurality of inclined blocks 433 are evenly distributed on the upper surface of the rotating disk 432. When the track plate 2 is opened outward, the inclined block 433 contacts the vertical surface of the inclined block 433, so that the first transmission shaft 42 and the second transmission shaft 43 rotate synchronously.

[0055] The first transmission shaft 42 and the second transmission shaft 43 are on the same center line. When the track plate 2 is opened outward, the rack 41 is driven to move outward synchronously. The rack 41 and the first gear 421 are meshed with each other. In this way, when the rack 41 is displaced, the first gear 421 can be driven to rotate synchronously. When the first gear 421 rotates, the first transmission shaft 42 can be driven to rotate. When the first transmission shaft 42 rotates, the core shaft 423 fixed at the lower part can be driven to rotate. The core shaft 423 rotates with the first transmission shaft 42 as the center. During the rotation of the core shaft 423, the outer sleeve 424 connected to the outside thereof will rotate synchronously. Fig.10As shown in , the track plate 2 moves outward, which can drive the first transmission shaft 42 to rotate counterclockwise. When the core shaft 423 rotates counterclockwise, the swing block 425 will abut against the vertical surface of the inclined block 433. The protrusion on the core shaft 423 will hinder the outer sleeve 424 from rotating. During the rotation of the first transmission shaft 42, a thrust will be applied to the inclined block 433, and the rotating disk 432 will be synchronously driven to rotate under the action of the thrust. When the rotating disk 432 rotates, the second transmission shaft 43 can be driven to rotate. The second transmission shaft 43 drives the second gear 431 to rotate. The second gear 431 drives the third gear 441 to rotate. When the third gear 441 rotates, the third transmission shaft 44 can be driven to rotate. In this way, the third transmission shaft 44 drives the counting roller 114 to rotate. When the track plate 2 retracts, the rack 41 will drive the first transmission shaft 42 to rotate clockwise. When the first transmission shaft 42 rotates clockwise, the core shaft 423 also rotates clockwise with the first transmission shaft 42 as the center. The core shaft 423 drives the outer sleeve 424 to rotate. The swing block 425 will contact the inclined surface of the inclined block 433, and when rotating clockwise, the protrusion cannot be restricted. The outer sleeve 424 will also rotate on its own. In this way, due to the angular swing of the swing block 425, it cannot drive the inclined block 433 to rotate synchronously. In this way, when the track plate 2 is unfolded, the first transmission shaft 42 and the second transmission shaft 43 can rotate synchronously. When the track plate 2 retracts, the first transmission shaft 42 rotates, and the second transmission shaft 43 is stationary. In this way, it is ensured that each time the track plate 2 is opened, the angle of the counting roller 114 is driven to increase.

[0056] For an embodiment of the present invention, please refer to Fig.11 , including a synchronous structure 8, the first conveyor belt 5 and the second conveyor belt 6 are connected by the synchronous structure 8, the synchronous structure 8 includes a first sprocket 81, a second sprocket 82, and a chain 83, the first sprocket 81 is fixedly installed on the first conveyor belt 5, the second sprocket 82 is fixedly installed on the second conveyor belt 6, and the first sprocket 81 and the second sprocket 82 are connected by the chain 83.

[0057] The first conveyor belt 5 and the second conveyor belt 6 are both composed of multiple synchronous conveyor rollers, and the channel pulleys between the conveyor rollers are linked with the belts. Through the setting of the synchronous structure 8, the first conveyor belt 5 and the second conveyor belt 6 can rotate synchronously. The number of teeth of the first sprocket 81 is greater than the number of teeth of the second sprocket 82. In this way, the conveying speed of the second conveyor belt 6 is greater than the conveying speed of the first conveyor belt 5. In this way, the discharge speed of the tinplate finished product 9 is increased, so that when the first conveyor belt 5 transports the tinplate finished product 9 to the track plate 2, the stacked tinplate finished product 9 has been discharged.

[0058] A processing line comprises a tin-plated sheet coiling mechanism and is used for producing tin-plated sheets.

[0059] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A tinplate coiling mechanism, comprising a frame and a tinplate finished product, wherein a first conveyor belt is arranged on the upper part of the frame, and a second conveyor belt is arranged on the lower part of the frame, characterized in that: Also includes: a stacking area, the stacking area being arranged above the second conveyor belt; A track plate, which is used to support the finished tinplate product, and the track plate is slidably connected to both sides of the frame; A release mechanism, wherein the finished tinplate is conveyed to the track plate by the first conveyor belt, and the release mechanism is squeezed by the finished tinplate so that the track plate is opened and the finished tinplate falls to the stacking area; The quantitative release assembly includes a supporting plate and a counting roller, a pin and a pin hole. The supporting plate is slidably connected to both sides of the frame, the tinned sheet products are stacked on the supporting plate, the counting roller is rotatably connected to the frame, the pin is arranged at the lower part of the supporting plate, and the pin hole is opened on the counting roller; The transmission part, the counting roller and the track plate are connected by the transmission part. Each time the track plate releases the finished tinplate, the counting roller passively rotates a certain angle. After multiple releases, the pin is inserted into the pin hole, the supporting plate falls, the finished tinplate contacts the second conveyor belt, and the stacked finished tinplate leaves the stacking area. A base is arranged at the lower part of the supporting plate, the pin is fixedly mounted on the base, an elastic member is arranged on the lower surface of the base, and the elastic member applies a vertical upward thrust to the base.

2. A tinplate coiling mechanism according to claim 1, characterized in that: The upper surface of the track plate and the highest point of the first conveyor belt are in the same horizontal plane.

3. A tin plate coiling mechanism according to claim 1, characterized in that: The release mechanism includes a sliding rod, a tension piece, a fixed plate and a force arm. The sliding rod is slidably inserted on the frame. The tension piece applies a pulling force to the sliding rod in the direction of the first conveyor belt. The fixed plate is fixedly installed on the sliding rod. One end of the force arm is hinged to the fixed plate, and the other end of the force arm is hinged to the track plate.

4. A tin plate coiling mechanism according to claim 1, characterized in that: A ball is arranged at the lower part of the pin, and the ball is in rolling connection with the circumferential surface of the counting roller.

5. The tin plate coiling mechanism according to claim 1, characterized in that: The transmission part includes a rack, a first transmission shaft, a first gear, a second transmission shaft, a second gear, a third transmission shaft, a third gear and a one-way rotating part. The first transmission shaft is rotatably connected to the outside of the frame, the rack is fixedly mounted on the track plate, the first gear is fixedly mounted on the upper part of the first transmission shaft, the rack is meshed with the first gear, the second transmission shaft is rotatably connected to the lower part of the frame, the second transmission shaft and the first transmission shaft are transmission-connected via the one-way rotating part, so that the first transmission shaft and the second transmission shaft are transmitted in one direction, one end of the third transmission shaft is fixedly mounted on the counting roller, the third gear is fixedly mounted on the other end of the third transmission shaft, the second gear is fixedly mounted on the lower end of the second transmission shaft, and the second gear and the third gear are meshed with each other.

6. A tin plate coiling mechanism according to claim 5, characterized in that: The one-way rotating part includes a rotating disk, an inclined block, a core shaft, an outer sleeve, and a swing block. The core shaft is fixedly mounted on the first transmission shaft, the outer sleeve is rotatably connected to the outside of the core shaft, the inclined block is fixedly mounted on the outer sleeve, the rotating disk is fixedly mounted on the upper part of the second transmission shaft, and a plurality of inclined blocks are evenly distributed on the upper surface of the rotating disk.

7. A tin plate coiling mechanism according to claim 6, characterized in that: When the track plate is opened outward, the inclined block abuts against the vertical surface of the inclined block, so that the first transmission shaft and the second transmission shaft rotate synchronously.

8. The tin plate coiling mechanism according to claim 1, characterized in that: It includes a synchronous structure, the first conveyor belt and the second conveyor belt are connected by the synchronous structure transmission, the synchronous structure includes a first sprocket, a second sprocket, and a chain, the first sprocket is fixedly installed on the first conveyor belt, the second sprocket is fixedly installed on the second conveyor belt, and the first sprocket and the second sprocket are connected by chain transmission.

9. A processing line, characterized in that: The processing line comprises a tinplate coiling mechanism as described in any one of claims 1-8.

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