Tooth top chain conveying and discharging mechanism and tooth top chain conveying mechanism

Abstract

The utility model discloses a tooth tip chain conveying and discharging mechanism and a tooth tip chain conveying mechanism. And a tooth top chain conveying and discharging mechanism is arranged at the conveying tail end of the tooth top chain conveying mechanism. The tooth tip chain conveying and discharging mechanism comprises overturning and pressing mechanisms oppositely arranged on the chain frame and a stripping and jacking mechanism located between the overturning and pressing mechanisms. The overturning and pressing mechanism comprises an overturning frame, a pressing wheel and an overturning cylinder. The material pressing wheels are densely arranged on the overturning frame and provided with tooth tip grooves. And the turnover frame can turn over and is connected with the turnover cylinder. When the overturning frame is overturned to the axis of the material pressing wheel, the sharp teeth of the tooth top chain can be positioned in the tooth top grooves, so that the wheel surface of the material pressing wheel can be pressed on a sheet material punctured by the sharp teeth of the tooth top chain; when the pressing wheel is separated from the tooth tip chain, the falling jacking mechanism can push the sheet stock on the tooth tip chain away from the tooth tip chain, and stripping of the sheet stock on the tooth tip chain is completed.

Description

Technical Field

[0001] This utility model relates to a conveyor mechanism with a toothed conveyor chain. Background Technology

[0002] A toothed chain, also known as a conveyor chain with pointed teeth, is commonly used in sheet metal forming equipment. It conveys the sheet metal by having the pointed teeth pierce its edges. Toothed chain conveyor mechanisms are typically installed on sheet metal processing production lines, running through various workstations. Each workstation performs different sheet metal processing steps. During processing at a workstation, the sheet metal is easily pulled, causing it to detach from the toothed chain. Therefore, certain limiting measures are usually needed to prevent the toothed chain from piercing the sheet metal's edges. On the other hand, when the sheet metal is unloaded after processing, it needs to detach from the toothed chain. Therefore, when the unloading station combines other sheet metal processing steps, a contradiction arises between the limiting measures for the toothed chain piercing the sheet metal's edges and the need to prevent the sheet metal from detaching from the toothed chain during unloading. Summary of the Invention

[0003] The problem this utility model aims to solve is the contradiction between limiting the toothed chain's penetration of the edge of the sheet material during sheet material processing and the sheet material's separation from the toothed chain during unloading when other sheet material processing processes are combined at the unloading station.

[0004] To solve the above problems, the present invention adopts the following solution:

[0005] According to this utility model, a toothed chain conveying and unloading mechanism includes chain frames disposed on both sides of a conveyor frame; chain brackets for supporting the toothed chain between sprockets are disposed on the chain frames; opposing tilting and pressing mechanisms are disposed on the two side chain frames; a material release and lifting mechanism is disposed between the opposing tilting and pressing mechanisms; the material release and lifting mechanism includes a lifting platform and a lifting cylinder; the lifting platform is connected to a lifting guide mechanism and is connected to the lifting cylinder, so that the lifting platform can be lifted and lowered under the drive of the lifting cylinder and the lifting guide mechanism; the tilting and pressing mechanism includes a tilting frame, a pressing wheel, and a tilting cylinder; the tilting frame is a long strip-shaped frame, disposed on the chain frames via a swing shaft, making its long strip... The axis of rotation and the axis of swing are both parallel to the chain frame; the tilting frame is connected to the tilting cylinder, so that the tilting frame can swing and tilt around its swing axis under the drive of the tilting cylinder; the pressure wheels are densely arranged on the tilting frame; the wheel surface of the pressure wheel is provided with annular tooth tip grooves along the circumference; when the tilting frame is tilted to the horizontal position of the axis of the pressure wheel, the sharp teeth of the tooth tip chain can be located in the tooth tip groove, so that the wheel surfaces on both sides of the tooth tip groove of the pressure wheel can press on the sheet material pierced by the sharp teeth of the tooth tip chain; when the tilting frame is tilted to the point where the pressure wheel is disengaged from the tooth tip chain, the detachment lifting mechanism can lift and detach the sheet material pierced by the sharp teeth of the tooth tip chain from the tooth tip chain.

[0006] Furthermore, according to the toothed chain conveying unloading mechanism of this utility model, the lifting and guiding mechanism includes four toothed columns arranged at the four corners and gearboxes respectively arranged on the toothed columns; the gearboxes are provided with gears that mesh with the toothed columns; the four gearboxes are connected in pairs through two synchronous shafts; the two synchronous shafts are respectively provided with sprockets; the sprockets on the two synchronous shafts are connected by chains.

[0007] Furthermore, according to the toothed chain conveying and feeding mechanism of this utility model, the chain is provided with a limiting block.

[0008] Furthermore, according to the toothed chain conveying feeding mechanism of this utility model, the tilting cylinder is mounted on the chain frame via a first hinge, and the end of its piston rod is connected to the tilting frame via a second hinge.

[0009] Furthermore, in the toothed chain conveying feeding mechanism of this utility model, the lifting cylinder is a pneumatic cylinder.

[0010] Furthermore, according to the toothed chain conveying feeding mechanism of this utility model, the tilting cylinder is a pneumatic cylinder.

[0011] Furthermore, in the toothed chain conveying feeding mechanism of this utility model, the surface of the pressure wheel is made of an elastic material.

[0012] Furthermore, according to the toothed chain conveying feeding mechanism of this utility model, the interval between adjacent pressure rollers on the flipping frame does not exceed 15cm.

[0013] Furthermore, according to the toothed chain conveying feeding mechanism of this utility model, the tilting frame is also provided with a pressure wheel guard plate; the pressure wheel guard plate is provided with a wheel groove for receiving the pressure wheel.

[0014] According to the present invention, a toothed chain transmission mechanism includes a conveyor frame and chain frames disposed on both sides of the conveyor frame; a toothed chain is disposed on the chain frame, and the chain frame includes a chain bracket for supporting the toothed chain between sprockets; the aforementioned toothed chain transmission and unloading mechanism is disposed at one end of the conveyor frame.

[0015] The technical effects of this utility model are as follows: This utility model uses a flip-out pressure wheel mechanism to limit the pressure of sheet material during processing to prevent the sheet material from detaching from the toothed chain during processing. When unloading, the pressure wheel mechanism flips and opens to end the limitation of the sheet material, thereby allowing the sheet material to be combined with other sheet material processing processes in the unloading station. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the toothed chain transmission mechanism.

[0017] Figure 2 This is a three-dimensional structural diagram of the unloading and lifting mechanism in the embodiment.

[0018] Figure 3 This is an enlarged structural schematic diagram of the lifting and guiding mechanism in the unloading and lifting mechanism of the embodiment.

[0019] Figure 4 This is a schematic diagram of the structure of the flipping and pressing mechanism in the embodiment.

[0020] Figure 5 This is a schematic diagram illustrating the working principle of the flipping and pressing mechanism in this embodiment.

[0021] In the above figures,

[0022] 100 is the chain frame, 11 is the chain bracket, 111 is the locking groove, 12 is the toothed chain, and 121 is the tooth.

[0023] 800 is the fan assembly station, 801 is the loading station, 802 is the intermediate station, and 803 is the unloading station.

[0024] 2 is the unloading lifting mechanism, 21 is the lifting platform, 22 is the lifting guide mechanism, 221 is the gear column, 222 is the gearbox, 2221 is the gear, 223 is the synchronous shaft, 224 is the sprocket, 225 is the chain, and 2251 is the limit block.

[0025] 3 is the flipping and pressing mechanism, 31 is the flipping frame, 319 is the hinge link, 32 is the pressing wheel, 321 is the toothed groove, 33 is the flipping cylinder, 338 is the first hinge, 339 is the second hinge, 34 is the pressing wheel guard plate, 341 is the wheel groove; 9 is the sheet material. Detailed Implementation

[0026] The present invention will now be described in further detail with reference to the accompanying drawings.

[0027] Figure 1 An example of a toothed chain transport mechanism is provided, including a conveyor frame and chain frames 100 disposed on both sides of the conveyor frame. Toothed chains are mounted on the chain frames 100. (See reference...) Figure 5 The chain frame 100 includes a chain bracket 11 for supporting the toothed chain between the sprockets. This toothed chain transmission mechanism conveys sheet material through the toothed chain after it pierces it, performing corresponding sheet material processing according to its conveyed position, forming a sheet material processing assembly line. For example, the sheet material is heated, molded, cooled, demolded, and then unloaded. Based on the sheet material conveying direction of the assembly line, different sections of the toothed chain transmission mechanism are sequentially arranged at the loading station 801, several intermediate stations 802, and the unloading station 803. To save space in the factory, in this embodiment, the unloading station 803, in addition to unloading the sheet material, also undertakes the process of cooling the processed sheet material. Specifically, the unloading station 803 is equipped with a fan assembly 800, which blows air onto the sheet material to achieve the cooling process. The unloading station 803 is located at the end of the sheet material conveying at one end of the toothed chain transmission mechanism and is equipped with a toothed chain conveying unloading mechanism. The toothed chain conveyor unloading mechanism includes a tilting and pressing mechanism 3 disposed on the chain frames 100 on both sides of the conveyor frame and a material release and lifting mechanism 2 disposed between the two tilting and pressing mechanisms 3. More specifically, there are two tilting and pressing mechanisms 3, located on the chain frames 100 on both sides respectively, with the tilting and pressing mechanisms 3 on the chain frames 100 on both sides arranged opposite to each other.

[0028] Material removal lifting mechanism 2, refer to Figure 2 and Figure 3The system includes a lifting platform 21, a lifting guide mechanism 22, and a lifting cylinder 23. The lifting platform 21 is mounted on the base 29 via the lifting guide mechanism 22 and connected to the lifting cylinder 23, allowing the lifting platform 21 to rise and fall under the drive of the lifting cylinder 23 and the lifting guide mechanism 22. In this embodiment, the lifting guide mechanism 22 includes four gears 221, gearboxes 222, synchronous shafts 223, sprockets 224, and chains 225. There are four gears 221, each standing upright at one of the four corners. The lifting platform 21 is located on top of the gears 221. There are four gearboxes 222, each mounted on one of the four gears 221 and fixed to the base 29. Each gearbox 222 contains gears 2221 that mesh with the gears 221. The four gearboxes 222 are connected in pairs via two parallel synchronous shafts 223. The synchronous shafts 223 connect the gears 2221 within the gearboxes 222 and are equipped with sprockets 224. The sprockets 224 mounted on the two synchronous shafts 223 are connected by a chain 225. The lifting cylinder 23, which can be a pneumatic or hydraulic cylinder, is mounted on the base 29, and its piston rod is connected to the lifting platform 21. Thus, when the lifting cylinder 23 pushes the lifting platform 21 to rise or fall, the four toothed columns 221, gearbox 222, synchronous shafts 223, sprockets 224, and chain 225 synchronize the lifting platform 21 to always maintain a horizontal lifting position. Furthermore, in this embodiment, the lifting platform 21 is equipped with components such as molds, which are not within the scope of this utility model and will not be described in detail here.

[0029] Reference Figure 3 and Figure 4 The tilting and pressing mechanism 3 includes a tilting frame 31, pressing wheels 32, and tilting cylinders 33. The tilting frame 31 is a long, narrow frame that is mounted on the chain frame 100 via a swing shaft. The tilting frame 31 is parallel to the chain frame 100 in both its elongated direction and the axis of its swing shaft. Here, "parallel to the chain frame 100" usually refers to the transmission direction of the toothed chain transmission mechanism. The tilting frame 31 is connected to several tilting cylinders 33, allowing the tilting frame 31 to swing and tilt around its swing shaft in a vertical plane perpendicular to the transmission direction of the toothed chain transmission mechanism, driven by the tilting cylinders 33. The tilting cylinders 33 can be pneumatic or hydraulic cylinders, mounted on the chain frame 100 via a first hinge 338, with the piston rod end connected to a hinge link 319 via a second hinge 339, which in turn connects to the tilting frame 31. The pressing wheels 32 are densely arranged on the tilting frame 31. Here, "densely arranged" means that there are multiple pressing wheels 32 mounted on the tilting frame 31, and the interval between adjacent pressing wheels is typically no more than 15 cm. The densely arranged pressure rollers 32 are linearly arranged on the tilting frame 31 along the transmission direction of the toothed chain conveyor mechanism. Each pressure roller 32 is a roller with annular toothed grooves 321 circumferentially arranged on its surface. The pressure rollers 32 are mounted on the tilting frame 31 and can rotate with the tilting frame 31. (Refer to...) Figure 4When the tilting frame 31 is tilted to the horizontal position of the axis of the pressure wheel 32, the sharp teeth 121 of the toothed chain 12 can be located in the toothed groove 321, so that the wheel surfaces on both sides of the toothed groove 321 of the pressure wheel 32 can press on the sheet material 9 pierced by the sharp teeth 121 of the toothed chain 12. More specifically, the chain bracket 11 is a fixed component on the chain frame 100, which is provided with a locking groove 111 for locking the toothed chain 12. The toothed chain 12 moves along the locking groove 111 on the chain bracket 11, and under the locking and limiting of the locking groove 111, the position of the toothed chain 12 on the chain bracket 11 is relatively fixed. The toothed grooves 321 of each pressure wheel 32 on the tilting frame 31 form a toothed channel. When the tilting frame 31 is tilted to the horizontal axis of the pressure wheel 32, the pointed teeth 121 of the toothed chain 12 on the chain bracket 11 are located in the toothed channel. Figure 5 As shown. The flipping frame 31 has two flipping states: the first state is as follows. Figure 5 The pressure state shown is such that the axis of the pressure roller 32 is horizontal. When the sheet material 9 is pierced by the teeth 121 of the toothed chain 12, it is dragged along the transmission direction of the toothed chain transmission mechanism by the movement of the toothed chain 12. The pressure roller 32 can roll due to the mutual friction with the sheet material 9. The second state is the open state, which is... Figure 5 The state shown is the state after being flipped in the direction indicated by arrow F. At this time, the pressure roller 32 and the toothed chain 12 are disengaged and moved away from the toothed chain 12. Thus, when the flipping frame 31 is flipped so that the pressure roller 32 is disengaged and moved away from the toothed chain 12, the sheet material 9 is no longer held by the pressure roller 32, and the detachment lifting mechanism 2 can lift the sheet material 9 pierced by the sharp teeth 121 of the toothed chain 12 and detach it from the toothed chain 12.

[0030] In this embodiment, in order to prevent the toothed column 221 and the gearbox 222 from disengaging in the lifting guide mechanism 2, a limiting block 2251 is further provided on the chain 225.

[0031] In this embodiment, to enable the pressure roller 32 and the pointed teeth 121 to better clamp the sheet material 9, the surface of the pressure roller 32 is typically made of an elastic material. The elastic material can be, for example, natural rubber, silicone rubber, TPE, or PU.

[0032] Furthermore, to prevent the pressure roller 32 from being touched and damaged during the processing of the sheet material 9 at the unloading station 803, a pressure roller guard plate 34 is provided on the flipping frame 31 in this embodiment. The pressure roller guard plate 34 is provided with a wheel groove 341. The pressure roller 32 on the flipping frame 31 is located in the wheel groove 341.

Claims

1. A toothed chain conveying and unloading mechanism, comprising chain frames disposed on both sides of a conveyor frame; the chain frames are provided with chain brackets for supporting the toothed chain between sprockets; characterized in that, The two side chain frames are equipped with opposing tilting and pressing mechanisms; a material release and lifting mechanism is provided between the opposing tilting and pressing mechanisms; the material release and lifting mechanism includes a lifting platform and a lifting cylinder; the lifting platform is connected to a lifting guide mechanism and is also connected to the lifting cylinder, so that the lifting platform can rise and fall under the drive of the lifting cylinder and the lifting guide mechanism; the tilting and pressing mechanism includes a tilting frame, a pressing wheel, and a tilting cylinder; the tilting frame is a long strip-shaped frame, which is mounted on the chain frame via a swing shaft, so that its length direction and the axis of the swing shaft are parallel to the chain frame; the tilting frame is connected to the tilting cylinder. The tilting frame can swing and tilt around its swing axis under the drive of the tilting cylinder; the pressure rollers are densely arranged on the tilting frame; the wheel surface of the pressure roller is provided with annular tooth tip grooves along the circumference; when the tilting frame is tilted to the horizontal position of the axis of the pressure roller, the sharp teeth of the tooth tip chain can be located in the tooth tip groove, so that the wheel surfaces on both sides of the tooth tip groove of the pressure roller can press on the sheet material pierced by the sharp teeth of the tooth tip chain; when the tilting frame is tilted to the point where the pressure roller is disengaged from the tooth tip chain, the material removal lifting mechanism can lift and disengage the sheet material pierced by the sharp teeth of the tooth tip chain from the tooth tip chain.

2. The toothed chain conveying and unloading mechanism according to claim 1, characterized in that, The lifting and guiding mechanism includes four toothed columns set at the four corners and gearboxes respectively set on the toothed columns; the gearboxes are equipped with gears that mesh with the toothed columns; the four gearboxes are connected in pairs through two synchronous shafts; the two synchronous shafts are respectively equipped with sprockets; the sprockets on the two synchronous shafts are connected by chains.

3. The toothed chain conveying and unloading mechanism according to claim 2, characterized in that, The chain is equipped with a limit block.

4. The toothed chain conveying and unloading mechanism according to claim 1, characterized in that, The tilting cylinder is mounted on the chain frame via a first hinge, and the end of its piston rod is connected to the tilting frame via a second hinge.

5. The toothed chain conveying and unloading mechanism according to claim 1, characterized in that, The lifting cylinder is a pneumatic cylinder.

6. The toothed chain conveying and unloading mechanism according to claim 1, characterized in that, The tilting cylinder is a pneumatic cylinder.

7. The toothed chain conveying and unloading mechanism according to claim 1, characterized in that, The surface of the pressure wheel is made of an elastic material.

8. The toothed chain conveying and unloading mechanism according to claim 1, characterized in that, The spacing between adjacent pressure rollers on the flipping frame shall not exceed 15cm.

9. The toothed chain conveying and unloading mechanism according to claim 1, characterized in that, The tilting frame is also equipped with a pressure wheel guard plate; the pressure wheel guard plate is provided with a wheel groove for receiving the pressure wheel.

10. A toothed chain transmission mechanism, comprising a conveyor frame and chain frames disposed on both sides of the conveyor frame; a toothed chain is disposed on the chain frame, and the chain frame includes a chain bracket for supporting the toothed chain between sprockets; characterized in that, One end of the conveyor frame is provided with a toothed chain conveying and unloading mechanism according to any one of claims 1 to 9.

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