A workpiece automatic positioning structure for a tube expanding machine

Abstract

The present invention discloses an automatic workpiece positioning structure of a tube expander, comprising a frame, a first door panel is slidably arranged on the frame, a second door panel is slidably arranged on the frame and located on one side of the first door panel, a first driving device is arranged on the frame, a limiting assembly capable of limiting the distance of the second door panel moving outward is also arranged on the frame, and a second driving device capable of driving the second door panel to move inward is also arranged on the frame. The frame of the present invention is provided with a first door panel and a second door panel located on one side of the first door panel, and both the first door panel and the second door panel can be slidably arranged relative to the frame, the first driving device drives the first door panel to extend, and then the first door panel drives the second door panel to move together, the second door panel stops moving after reaching the position of the limiting assembly, and then the workpiece is installed, and the second driving device drives the second door panel to move inward to cooperate with the first door panel to clamp the workpiece, thereby fixing the workpiece and greatly improving the production efficiency.

Description

[Technical field]

[0001] The invention relates to an automatic workpiece positioning structure of a tube expander. [Background technology]

[0002] The tube expander is a process equipment used to expand the heat exchangers of heat exchange equipment such as air conditioners. The heat exchanger needs to be fixed on the tube expander, so a clamping device is required to fix the heat exchanger on the tube expander.

[0003] Traditional clamping and fixing devices usually have a fixed number of door panels. This device can only fix a single model of heat exchanger, and cannot fix heat exchangers of different models and sizes firmly. If heat exchangers of different models are to be fixed, door panels need to be manually installed for adjustment. However, manual adjustment is time-consuming and labor-intensive, and it is difficult to position the heat exchanger, resulting in low work efficiency.

[0004] The present invention is produced based on the above problems. [Summary of the invention]

[0005] The purpose of the present invention is to address the deficiencies of the prior art and to provide an automatic workpiece positioning structure for a tube expander, which can fix heat exchangers of different models and improve the tube expansion efficiency.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: an automatic workpiece positioning structure of a tube expanding machine, characterized in that it includes a frame, a first door panel is slidably arranged on the frame, a second door panel is slidably arranged on the frame and located on one side of the first door panel, which can cooperate with the first door panel to clamp or release the workpiece, a first driving device is arranged on the frame, which can drive the first door panel to slide outward and then drive the second door panel to move together, a limiting component is also arranged on the frame, which can limit the distance the second door panel moves outward, and a second driving device is also arranged on the frame, which can drive the second door panel to move inward.

[0007] The automatic workpiece positioning structure of the tube expander as described above is characterized in that the second driving device includes a screw rod horizontally arranged on the frame, and a nut seat is arranged on the screw rod which can move in the horizontal direction when the screw rod rotates.

[0008] The automatic workpiece positioning structure of the tube expanding machine as described above is characterized in that guide rail mounting plates slidably connected to the frame are arranged on both sides of the second door panel, the limiting assembly includes a limiting protrusion arranged on the outer side of the guide rail mounting plate, and the limiting assembly also includes a limiting plate fixedly connected to the nut seat and capable of abutting against the limiting protrusion.

[0009] The automatic workpiece positioning structure of the tube expanding machine as described above is characterized in that the first door panel is slidably arranged on the guide rail mounting plate, and an elastic device is arranged between the first door panel and the guide rail mounting plate, which can drive the second door panel to move together and keep a certain distance between the first door panel and the second door panel.

[0010] The automatic workpiece positioning structure of a tube expander as described above is characterized in that the first driving device is a driving cylinder, the cylinder barrel of the driving cylinder is fixedly connected to the frame, and the piston rod of the driving cylinder is fixedly connected to the first door panel.

[0011] The automatic workpiece positioning structure of a tube expander as described above is characterized in that one end of the second door panel is rotatably connected to one of the guide rail mounting plates, and a locking device is provided between the other end of the second door panel and the other guide rail mounting plate.

[0012] The automatic workpiece positioning structure of the tube expander as described above is characterized in that a first door panel positioning block is provided on the side of the first door panel facing the second door panel.

[0013] The automatic workpiece positioning structure of the tube expander as described above is characterized in that a plurality of layers of first door panels and second door panels are slidably arranged on the frame.

[0014] Compared with the prior art, the workpiece automatic positioning structure of a tube expander of the present invention has the following beneficial effects:

[0015] 1. A first door panel and a second door panel located on one side of the first door panel are arranged on the frame of the present invention, and the first door panel and the second door panel can be slidably arranged relative to the frame, a first driving device drives the first door panel to extend, and then the first door panel drives the second door panel to move together, the second door panel stops moving after reaching the position of the limit assembly, and then the workpiece is installed, the second driving device drives the second door panel to move inward to cooperate with the first door panel to clamp the workpiece, thereby fixing the workpiece and greatly improving the production efficiency.

[0016] 2. When the present invention is used, the number of door panels that need to work can be selected according to the size of the heat exchanger, and the first door panel of the corresponding layer can be driven to slide out by the first driving device to drive the second door panel to slide out together, and then the second door panel can be driven backward by the second driving device to adjust the distance between the second door panel and the first door panel, so as to automatically realize the compression and fixation of workpieces of different sizes, reduce the time of fixing the workpiece each time, and greatly improve the production efficiency.

[0017] 3. A first door panel positioning block is provided on the side of the first door panel facing the second door panel of the present invention, and the workpiece can be directly placed against the first door panel positioning block, thereby ensuring the positioning effect of the workpiece, allowing the tube expansion device to accurately enter the workpiece, and improving the accuracy and efficiency of tube expansion.

Brief Description of the Drawings

[0018] The specific embodiments of the present invention are further described in detail below with reference to the accompanying drawings, wherein:

[0019] Figure 1 It is a top view of the present invention when it is not in use;

[0020] Figure 2 A top view of the first door panel and the second door panel when the first driving device of the present invention pushes out;

[0021] Figure 3 A three-dimensional diagram of a clamping workpiece according to the present invention;

[0022] Figure 4 It is the right side view of the clamping workpiece of the present invention. [Specific implementation method]

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0024] like Figures 1 to 4 As shown, in this embodiment, an automatic workpiece positioning structure of a tube expanding machine includes a frame 1, on which a first door panel 10 is slidably provided, and on the frame 1 and located on one side of the first door panel 10, a second door panel 20 that can cooperate with the first door panel 10 to clamp or release the workpiece 100 is slidably provided, and the frame 1 is provided with a first driving device 2 that can drive the first door panel 10 to slide outward and thereby drive the second door panel 20 to move together, and the frame is also provided with a limiting component 3 that can limit the outward movement distance of the second door panel 20, and the frame 1 is also provided with a second driving device 4 that can drive the second door panel 20 to move inward. The frame of the present invention is provided with a first door panel and a second door panel located on one side of the first door panel, and the first door panel and the second door panel can be slidably arranged relative to the frame, the first driving device drives the first door panel to extend, and then the first door panel drives the second door panel to move together, the second door panel stops moving after reaching the position of the limiting component, and then the workpiece is installed, the second driving device drives the second door panel to move inward to cooperate with the first door panel to clamp the workpiece, thereby achieving fixation of the workpiece and greatly improving production efficiency.

[0025] like Figures 1 to 4As shown, in this embodiment, the second drive device 4 includes a screw rod 41 horizontally arranged on the frame 1, and a nut seat 42 is arranged on the screw rod 41, which can move in the horizontal direction when the screw rod rotates. When the screw rod rotates, the nut seat will move left and right on the screw rod. When in the working state, the second drive device will drive the limit plate to the specified position, and then the first drive device will drive the first door panel and the second door panel to move. When the limit protrusion on the guide rail mounting plate connected to the second door panel presses against the limit plate, it reaches the specified position. After the workpiece is installed between the first door panel and the second door panel, the screw rod rotates, the nut seat moves backward, and then drives the second door panel to squeeze close to the first door panel position, so as to achieve the extrusion and fixation of the workpiece, which will be more accurate through the screw rod adjustment.

[0026] like Figures 1 to 4 As shown, in this embodiment, guide rail mounting plates 30 slidably connected to the frame 1 are respectively arranged on both sides of the second door panel 20, and the limiting assembly 3 includes a limiting protrusion 31 arranged on the outside of the guide rail mounting plate 30, and the limiting assembly 3 also includes a limiting plate 32 fixedly connected to the nut seat 42 and capable of abutting against the limiting protrusion 31. The moving distance of the second door panel is first limited by the cooperation between the limiting plate and the limiting protrusion, and then the limiting plate is driven back by the nut seat, driving the second door panel back, so as to achieve the clamping of the workpiece.

[0027] like Figures 1 to 4 As shown, in this embodiment, the first door panel 10 is slidably arranged on the guide rail mounting plate 30, and an elastic device 5 is arranged between the first door panel 10 and the guide rail mounting plate 30, which can drive the second door panel 20 to move together and keep a certain distance between the first door panel 10 and the second door panel 20. Because the second door panel is fixedly connected to the guide rail mounting plate, and the first door panel is slidably connected to the guide rail mounting plate, when the first driving device drives the first door panel to slide, the elastic device arranged between the first door panel and the guide rail mounting plate can drive the second door panel to slide, so that the distance between the first door panel and the second door panel is kept within a safe range.

[0028] like Figures 1 to 4 As shown, in this embodiment, the first driving device 2 is a driving cylinder, the cylinder barrel of the driving cylinder is fixedly connected to the frame 1, and the piston rod of the driving cylinder is fixedly connected to the first door panel 10; when working, the piston rod of the driving cylinder extends outward, driving the first door panel to move outward, and when the first door panel reaches the position of the second door panel, it drives the second door panel to move outward together and enters a waiting state.

[0029] like Figures 1 to 4As shown, in this embodiment, one end of the second door panel 20 is rotatably connected to one of the guide rail mounting plates 30, and a locking device 6 is provided between the other end of the second door panel 20 and the other guide rail mounting plate 30. By opening the locking device, the second door panel can be opened to facilitate the installation of the workpiece.

[0030] like Figures 1 to 4 As shown, in this embodiment, a first door panel positioning block 101 is provided on the first door panel 10 on one side facing the second door panel 20. The workpiece can be directly placed against the first door panel positioning block for more accurate positioning.

[0031] like Figures 1 to 4 As shown, in this embodiment, a plurality of first door panels 10 and second door panels 20 are slidably arranged on the frame 1. When the present invention is used, the number of door panels that need to be worked can be selected according to the size of the heat exchanger, and the first door panel of the corresponding layer can be driven to slide out by the first driving device to drive the second door panel to slide out together, and then the second door panel can be driven back by the second driving device, thereby adjusting the distance between the second door panel and the first door panel, and automatically realizing the pressing and fixing of workpieces of different sizes, reducing the time of fixing the workpiece each time, and greatly improving the production efficiency.

[0032] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of the present invention.

[0033] The above are only preferred implementation modes of the present invention and are not intended to limit the present invention. Any technical solution that achieves the purpose of the present invention by substantially the same means shall fall within the protection scope of the present invention.

Claims

1. A workpiece automatic positioning structure for a tube expander, characterized in that: The invention comprises a frame (1), a first door panel (10) being slidably arranged on the frame (1), a second door panel (20) being slidably arranged on the frame (1) and located on one side of the first door panel (10) and being capable of cooperating with the first door panel (10) to clamp or release a workpiece (100), a first driving device (2) being arranged on the frame (1) and capable of driving the first door panel (10) to slide outwardly and thereby driving the second door panel (20) to move together, and a limit assembly (3) being arranged on the frame (1) and capable of limiting the distance the second door panel (20) moves outwardly. ), the frame (1) is also provided with a second driving device (4) capable of driving the second door panel (20) to move inward, and guide rail mounting plates (30) slidably connected to the frame (1) are respectively provided on both sides of the second door panel (20), and the first door panel (10) is slidably mounted on the guide rail mounting plates (30), and an elastic device (5) capable of driving the second door panel (20) to move together and maintaining a certain distance between the first door panel (10) and the second door panel (20) is provided between the first door panel (10) and the guide rail mounting plates (30).

2. The workpiece automatic positioning structure of a tube expander according to claim 1, characterized in that: The second driving device (4) comprises a screw rod (41) horizontally arranged on the frame (1), and a nut seat (42) is arranged on the screw rod (41) which can move in the horizontal direction when the screw rod (41) rotates.

3. The automatic workpiece positioning structure of a tube expander according to claim 2, characterized in that: The limiting assembly (3) comprises a limiting protrusion (31) arranged on the outside of the guide rail mounting plate (30), and the limiting assembly (3) also comprises a limiting plate (32) fixedly connected to the nut seat (42) and capable of abutting against the limiting protrusion (31).

4. The automatic workpiece positioning structure of a tube expander according to claim 1, characterized in that: The first driving device (2) is a driving cylinder, the cylinder barrel of the driving cylinder is fixedly connected to the frame (1), and the piston rod of the driving cylinder is fixedly connected to the first door panel (10).

5. The automatic workpiece positioning structure of a tube expander according to claim 3, characterized in that: One end of the second door panel (20) is rotatably connected to one of the guide rail mounting plates (30), and a locking device (6) is provided between the other end of the second door panel (20) and the other guide rail mounting plate (30).

6. The workpiece automatic positioning structure of a tube expander according to claim 1, characterized in that: A first door panel positioning block (101) is provided on a side of the first door panel (10) facing the second door panel (20).

7. The workpiece automatic positioning structure of a tube expander according to claim 1, characterized in that: A plurality of layers of first door panels (10) and second door panels (20) are slidably arranged on the frame (1).

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