A tube expanding machine and its blanking device

Abstract

This application belongs to the technical field of tube expanding equipment, and provides a tube expander and its blanking device, including: a clamping mechanism, which is arranged on the tube expander and removes the workpiece from the tube expander; a conveying mechanism, which conveys the workpiece removed by the clamping mechanism to the next node, and the conveying mechanism includes a bracket and a conveyor belt arranged on the bracket; a transfer mechanism, which is arranged between the clamping mechanism and the conveying mechanism and transfers the workpiece onto the conveying mechanism; an activity frame for carrying the workpiece is arranged on the transfer mechanism, and the activity frame places the workpiece on the conveyor belt. This application can automatically place the workpiece on the conveyor belt, liberate manpower, has a simple operation, realizes automatic blanking, and improves the working efficiency of the tube expander.

Description

Technical Field

[0001] This application belongs to the technical field of tube expanding equipment, and particularly refers to a tube expanding machine and its blanking device. Background Art

[0002] The heat exchange tube is one of the components of the heat exchanger, and it generally has a U-shaped pipe structure. During the processing of the heat exchange tube, a tube expanding machine is usually used to process the heat exchange tube so as to better contact with the fins, thereby ensuring the heat exchange effect of the heat exchanger. Generally, the tube expanding machine needs to perform tube expanding and flaring on the heat exchange tube. Among them, the tube expanding process is to insert a expanding rod with a sphere into the heat exchange tube to increase the tube diameter, thereby realizing the tube expanding of the heat exchange tube body. The flaring process is to insert a flaring part of a specific size into the pipe orifice of the heat exchange tube to further increase the tube diameter at the pipe orifice, realizing the flaring of the pipe orifice of the heat exchange tube. Generally, the tube expanding process is carried out first, and then the flaring operation is carried out.

[0003] In the existing tube expanding machines, the processes are generally in sequence of feeding, tube expanding, flaring and blanking. Among them, the blanking process generally adopts manual blanking. Workers take out the processed heat exchange tubes from the tube expanding machine and then put them on the conveyor belt. The operation is cumbersome, with a high degree of manual participation and low operation efficiency. Summary of the Invention

[0004] The purpose of the embodiments of this application is to provide a tube expanding machine and its blanking device to solve the technical problem that the existing tube expanding machine requires manual blanking in the blanking process and has low operation efficiency.

[0005] To achieve the above purpose, the technical solution adopted in this application is: to provide a blanking device for a tube expanding machine, including:

[0006] A clamping mechanism, which is arranged on the tube expanding machine and removes the workpiece from the tube expanding machine;

[0007] A conveying mechanism, which conveys the workpiece removed by the clamping mechanism to the next node. The conveying mechanism includes a bracket and a conveyor belt arranged on the bracket;

[0008] A transfer mechanism, which is arranged between the clamping mechanism and the conveying mechanism and transfers the workpiece to the conveying mechanism; an activity frame for carrying the workpiece is arranged on the transfer mechanism, and the activity frame places the workpiece on the conveyor belt.

[0009] The beneficial effects of the blanking device of the tube expanding machine provided by this application are as follows: Compared with the prior art, the blanking device of the tube expanding machine in this application includes a clamping mechanism, a conveying mechanism, and a transfer mechanism. Since the tube expanding machine processes workpieces placed on the workbench and cannot be directly placed on the conveyor belt, it is necessary to first use the clamping mechanism to remove the processed workpiece from the tube expanding machine, and then adjust the position of the workpiece through the movable frame on the transfer mechanism so that the workpiece can be placed on the conveyor belt in the correct posture. Then, the conveyor belt transports the workpiece to the next node. There is no need for manual transfer of the workpiece from the tube expanding machine to the conveyor belt, which liberates human labor, has a simple operation, and can correctly place the workpiece on the conveyor belt through the clamping mechanism, realizing fully automatic blanking and improving the working efficiency of the tube expanding machine.

[0010] Improve the structure of the movable frame. The movable frame is rotatably connected to the bracket. The transfer mechanism is provided with a first driving member for driving the movable frame to rotate onto the conveyor belt, so as to place the workpiece on the movable frame on the conveyor belt. By driving the rotation of the movable frame, the workpiece on the movable frame can be placed on the conveyor belt, and then the conveyor belt transports the workpiece to the corresponding position, with a simple structure and convenient operation.

[0011] Further, the movable frame includes a bottom plate and a backrest plate perpendicular to the bottom plate, which is convenient for the movable frame to carry the workpiece. Both the bottom plate and the backrest plate are arranged to avoid the conveyor belt. The backrest plate can support the workpiece, which is convenient for the movable frame to place the workpiece on the conveyor belt and will not affect the normal operation of the conveyor belt.

[0012] Still further, the movable frame is provided with guide plates on both sides of the backrest plate. The two guide plates are arranged on the bottom plate, that is, the two guide plates are arranged opposite to each other, so that the workpiece needs to pass through the gap between the two guide plates, which can adjust the position of the workpiece and is convenient for the clamping mechanism to correctly place the workpiece on the movable frame.

[0013] Improve the structure of the clamping mechanism. The clamping mechanism includes a clamping arm, a second driving member for driving the clamping arm to clamp the workpiece, and a mounting frame for the displacement of the clamping arm. The mounting frame is connected to the tube expanding machine, and the position of the clamping arm can be freely adjusted. By setting the clamping arm with corresponding bearing capacity, the clamping arm can clamp workpieces of different sizes.

[0014] Further, a horizontally arranged slide rail and a connecting member connected to the clamping arm are provided on the mounting frame. A first clamping block engaged with the slide rail is provided on the connecting member. A third driving member for driving the connecting member to move on the slide rail is further provided on the mounting frame, so that the clamping arm moves horizontally. The mounting frame and the clamping arm are connected by the connection method of the first clamping block engaged with the slide rail. The overall structure is simple. The clamping arm can move horizontally relative to the mounting frame through the connecting member, that is, the clamping arm can move horizontally, which is convenient for the clamping arm to clamp and transfer the workpiece, and further improves the transfer efficiency of the blanking device for the workpiece.

[0015] Furthermore, a movable column connected to the connecting member is provided on the clamping arm. A vertically arranged guide rail is provided on the movable column. A second clamping block engaged with the guide rail is provided on the connecting member. A fourth driving member for driving the movable column to move on the second clamping block is provided on the mounting frame, so that the clamping arm moves vertically. The movable column on the clamping arm is engaged with the second clamping block on the connecting member through the guide rail. The connecting member is connected to the mounting frame, and the fourth driving member can drive the movable column to move vertically relative to the connecting member, that is, the clamping arm can move vertically, and it will not affect the tube expanding machine, improving the stability of the overall structure.

[0016] On the above basis, both the third driving member and the fourth driving member are screw rod structures. The screw rod structure includes a screw rod and a motor for driving the screw rod to move. The screw rod is an ideal structure for converting rotary motion into linear motion or converting linear motion into rotary motion, which can make the clamping arm move smoothly and improve the structural stability of the clamping arm.

[0017] Improvements are made to the structures of the transfer mechanism and the conveying mechanism. The transfer mechanism and the conveying mechanism are integrally connected, which is convenient for transporting the transfer mechanism and the conveying mechanism to the blanking station of the tube expanding machine at the same time, facilitating production and processing, reducing production costs, and improving the overall structural stability of the transfer mechanism and the conveying mechanism.

[0018] This application also provides a tube expanding machine, which has a loading station, a processing station and a blanking station. The tube expanding machine further includes the blanking device of the tube expanding machine described above. The blanking device is arranged at the blanking station, which is convenient for the tube expanding machine to blank the processed workpieces, improving the working efficiency of the tube expanding machine. Description of the Drawings

[0019] To more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the accompanying drawings required in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other accompanying drawings can also be obtained based on these drawings.

[0020] Figure 1 Structural schematic of the blanking device of the tube expanding machine provided by the embodiment of the present application Figure 1 ;

[0021] Figure 2 Structural schematic of the blanking device of the tube expanding machine provided by the embodiment of the present application Figure 2 ;

[0022] Figure 3 Structural schematic of the blanking device of the tube expanding machine provided by the embodiment of the present application Figure 3 ;

[0023] Figure 4 Structural schematic of the clamping mechanism of the blanking device of the tube expanding machine provided by the embodiment of the present application;

[0024] Figure 5 is Figure 4 Partial enlarged view at position A in

[0025] Figure 6 Structural schematic of the tube expanding machine provided by the embodiment of the present application.

[0026] Among them, the reference numerals in the figure:

[0027] 100 - conveying mechanism;

[0028] 1 - support;

[0029] 11 - suction cup;

[0030] 2 - conveyor belt;

[0031] 200 - transfer mechanism;

[0032] 3 - movable frame;

[0033] 31 - bottom plate;

[0034] 32 - backrest plate;

[0035] 33 - guide plate;

[0036] 4 - first driving member;

[0037] 300 - clamping mechanism;

[0038] 5 - clamping arm;

[0039] 51 - Moving column;

[0040] 511 - Guide rail;

[0041] 6 - Second driving member;

[0042] 7 - Mounting bracket;

[0043] 71 - Slide rail;

[0044] 72 - Connecting member;

[0045] 721 - First clamping block;

[0046] 722 - Second clamping block;

[0047] 73 - Third driving member;

[0048] 74 - Fourth driving member. Detailed implementation manners

[0049] In order to make the technical problems, technical solutions and beneficial effects to be solved by this application clearer and more understandable, the following further details this application in combination with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not used to limit this application.

[0050] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0051] It should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to this application.

[0052] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of this application, "a plurality of" means two or more unless otherwise specifically defined.

[0053] The tube expanding machine provided by the embodiments of the present application will now be described (not shown in the figures). The tube expanding machine includes a loading station, a processing station, and an unloading station. The tube expanding machine is generally a vertical multi-station tube expanding machine. The processing station is generally divided into a tube expanding station and a flaring station. The tube expanding machine further includes an unloading device, which is arranged at the unloading station.

[0054] Among them, please refer to Figure 2 , Figure 3 and Figure 4 together. The unloading device of the tube expanding machine includes: a clamping mechanism 300, which is arranged on the tube expanding machine to remove the workpiece from the tube expanding machine; a conveying mechanism 100, which conveys the workpiece removed by the clamping mechanism 300 to the next node. The conveying mechanism 100 includes a bracket 1 and a conveyor belt 2 arranged on the bracket 1; a transfer mechanism 200, which is arranged between the clamping mechanism 300 and the conveying mechanism 100 to transfer the workpiece onto the conveying mechanism 100. An activity frame 3 for carrying the workpiece is arranged on the transfer mechanism 200, and the activity frame 3 places the workpiece on the conveyor belt 2.

[0055] Compared with the prior art, the unloading device of the tube expanding machine provided by the present application includes a clamping mechanism 300, a conveying mechanism 100, and a transfer mechanism 200. Since the tube expanding machine processes the vertically placed workpiece and cannot directly place it on the conveyor belt 2, it is necessary to first use the clamping mechanism 300 to remove the processed workpiece from the tube expanding machine, and then adjust the position of the workpiece through the activity frame 3 on the transfer mechanism 200 so that the workpiece can be horizontally placed on the conveyor belt 2. Then, the conveyor belt 2 conveys the workpiece to the next node, liberating human labor. The workpiece can be correctly placed on the conveyor belt 2 through the clamping mechanism 300. The operation is simple, and full-automatic unloading can be realized. The workpiece can be quickly separated from the tube expanding machine and transferred in time, improving the working efficiency of the tube expanding machine.

[0056] In the embodiments of the application, please refer to Figure 2 , Figure 3 and Figure 4 together. The activity frame 3 is rotatably connected to the bracket 1. The transfer mechanism 200 is provided with a first driving member 4 for driving the activity frame 3 to rotate onto the conveyor belt 2. The first driving member 4 is generally a motor to realize placing the workpiece on the activity frame 3 onto the conveyor belt 2. By rotating the activity frame 3, the workpiece on the activity frame 3 can be placed on the conveyor belt 2. The structure is simple and the operation is convenient.

[0057] In the embodiments of the application, please refer to Figure 2 , Figure 3 and Figure 4, the movable rack 3 includes a bottom plate 31 and a backrest plate 32 perpendicular to the bottom plate 31, facilitating the movable rack 3 to carry workpieces. Both the bottom plate 31 and the backrest plate 32 are arranged to avoid interfering with the conveyor belt 2, enabling the movable rack 3 to place the workpieces on the conveyor belt 2 without affecting the normal operation of the conveyor belt 2. There are two guide plates 33 on both sides of the backrest plate 32 on the movable rack 3, and the two guide plates 33 are arranged on the bottom plate 31, facilitating the clamping mechanism 300 to place the workpieces on the movable rack 3.

[0058] In the embodiments of the application, please refer to Figure 3 , Figure 4 and Figure 5 , the clamping mechanism 300 includes clamping arms 5, a second driving member 6 for driving the clamping arms 5 to clamp the workpieces, and a mounting bracket 7 for the displacement of the clamping arms 5. The second driving member 6 is generally a cylinder, and the cylinder can provide sufficient force to enable the clamping arms 5 to clamp the workpieces. The mounting bracket 7 is connected to the tube expanding machine, and the position of the clamping arms 5 and the clamping arms 5 with corresponding bearing capacity can be freely adjusted, so that the clamping arms 5 can clamp workpieces of different sizes, greatly improving the adaptability of the clamping arms 5.

[0059] In the embodiments of the application, please refer to Figure 5 , the mounting bracket 7 is provided with a horizontally arranged sliding rail 71 and a connecting member 72 connected to the clamping arm 5. The connecting member 72 is provided with a first clamping block 721 that is engaged with the sliding rail 71. The mounting bracket 7 is also provided with a third driving member 73 for driving the connecting member 72 to move on the sliding rail 71, so that the clamping arm 5 moves horizontally. Through the connection method of the first clamping block 721 being engaged with the sliding rail 71, the mounting bracket 7 and the clamping arm 5 are connected. The overall structure is simple, and the clamping arm 5 can move horizontally relative to the mounting bracket 7 through the connecting member 72, that is, the clamping arm 5 can move horizontally, facilitating the clamping and transfer of the workpieces by the clamping arm 5.

[0060] In the embodiments of the application, please refer to Figure 5 , the clamping arm 5 is provided with a movable column 51 connected to the connecting member 72. The movable column 51 is provided with a vertically arranged guide rail 511. The connecting member 72 is provided with a second clamping block 722 that is engaged with the guide rail 511. The mounting bracket 7 is provided with a fourth driving member 74 for driving the movable column 51 to move on the second clamping block 722, so that the clamping arm 5 moves vertically. The movable column 51 on the clamping arm 5 is engaged with the second clamping block 722 on the connecting member 72 through the guide rail 511. The connecting member 72 is connected to the mounting bracket 7, and the fourth driving member 74 can drive the movable column 51 to move vertically relative to the connecting member 72, that is, the clamping arm 5 can move vertically, increasing the moving range of the clamping arm 5 and not affecting the tube expanding machine, improving the stability of the overall structure.

[0061] In the embodiments of the application, please refer to Figure 5, both the third driving member 73 and the fourth driving member 74 are screw rod structures. The screw rod structure includes a screw rod and a motor for driving the screw rod to move. The screw rod is an ideal structure for converting rotary motion into linear motion or vice versa, which can make the clamping arm 5 move smoothly and improve the structural stability of the clamping arm 5.

[0062] In the embodiment of the application, please refer to Figure 1 , a plurality of suction cups 11 are provided at the bottom of the bracket 1. The suction cups 11 can fix the conveying mechanism 100 on the ground, prevent the conveying mechanism 100 from sliding under the action of external force, and improve the structural stability of the conveying mechanism 100.

[0063] In the embodiment of the application, please refer to Figure 6 , the transfer mechanism 200 is integrally connected to the conveying mechanism 100, which is convenient for transporting the transfer mechanism 200 and the conveying mechanism 100 to the blanking station of the tube expanding machine at the same time. The integral connection is convenient for production and manufacturing and can reduce production costs.

[0064] The above are only the preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A blanking device for a tube expanding machine, characterized in that: Comprising: A clamping mechanism, which is arranged on the tube expanding machine and removes the workpiece after processing from the tube expanding machine. The clamping mechanism includes clamping arms, a second driving member for driving the clamping arms to clamp the workpiece, and a mounting rack for the displacement of the clamping arms. The mounting rack is connected to the tube expanding machine; A conveying mechanism, which conveys the workpiece removed by the clamping mechanism to the next node. The conveying mechanism includes a bracket and a conveyor belt arranged on the bracket; A transfer mechanism, which is arranged between the clamping mechanism and the conveying mechanism and transfers the workpiece onto the conveying mechanism. An active frame for carrying the workpiece is provided on the transfer mechanism, and the active frame can place the workpiece on the conveyor belt; The active frame is rotatably connected to the bracket, and the transfer mechanism is provided with a first driving member for driving the active frame to flip towards the conveyor belt; The active frame includes a bottom plate and a backrest plate perpendicular to the bottom plate, and both the bottom plate and the backrest plate are arranged to avoid the conveyor belt; Two guide plates are provided on the active frame and are located on both sides of the backrest plate. The two guide plates are arranged on the bottom plate.

2. The blanking device of the tube expanding machine according to claim 1, characterized in that: A horizontally arranged slide rail and a connecting member connected to the clamping arm are provided on the mounting rack. A first clamping block engaged with the slide rail is provided on the connecting member; A third driving member for driving the connecting member to move on the slide rail is further provided on the mounting rack.

3. The blanking device of the tube expanding machine according to claim 2, wherein: An active column connected to the connecting member is provided on the clamping arm. A vertically arranged guide rail is provided on the active column. A second clamping block engaged with the guide rail is provided on the connecting member; A fourth driving member for driving the active column to move on the second clamping block is provided on the mounting rack.

4. The blanking device of the tube expanding machine according to claim 3, characterized in that: Both the third driving member and the fourth driving member are screw rod structures. The screw rod structure includes a screw rod and a motor for driving the screw rod to move.

5. The blanking device of the tube expanding machine according to claim 1, characterized in that: The transfer mechanism and the conveying mechanism are integrally connected.

6. A tube expanding machine, which has a feeding station, a processing station and a discharging station, is characterized in that: The tube expanding machine includes a blanking device of the tube expanding machine according to any one of claims 1 to 5, and the blanking device is arranged at the blanking station.

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