Milling cutter mechanism for impeller machining

Abstract

The utility model relates to a milling cutter mechanism for impeller machining, which belongs to the technical field of impeller machining and comprises a machine tool, a controller fixedly mounted outside the machine tool, a milling machine arm fixedly mounted at the top of the machine tool, a milling cutter body fixedly mounted at one end of the milling machine arm and a mounting box arranged at the top of the machine tool. And a fixing mechanism which extends to the outside of the mounting box and is used for clamping and fixing the impeller body is arranged in the mounting box, and the fixing mechanism comprises a positive and negative rotation motor fixedly mounted on the inner bottom wall of the mounting box and four threaded rods rotationally connected to the interior of the mounting box. According to the milling cutter mechanism for impeller machining, a forward and reverse rotation motor is started to work through a controller to drive a transmission gear to rotate, so that four connecting blocks synchronously drive four clamps to be close to or separated from each other, an impeller is clamped and fixed, and the machining requirements of impellers of different shapes and sizes can be met; and the advantage that the impellers of different shapes and sizes can be conveniently fixed is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of impeller processing, in particular to a milling cutter mechanism for impeller processing. Background Technique

[0002] An impeller refers to both a wheel disc equipped with moving blades, which is a component of an impulse steam turbine rotor, and can also refer to the general term for the wheel disc and the rotating blades installed thereon. Impellers can be classified according to their shapes and opening / closing conditions. During the processing of impellers, milling cutters are often required for groove processing.

[0003] In the processing of impellers, a milling cutter mechanism for impeller processing is required. After retrieval, the patent document with the publication number CN217595998U discloses a milling cutter mechanism for impeller processing, including a milling cutter body. A limiting cylinder is welded to the top of the outer wall of the milling cutter body. A positioning seat is abutted against the inner wall of the limiting cylinder. The center of the top of the positioning seat is connected with a hollow shaft. The upper end of the hollow shaft is rotatably connected with a mounting plate. A bevel gear ring is connected to the outer wall of the hollow shaft. A driving motor is connected to the right side of the bottom of the mounting plate. The output end of the driving motor is connected with a bevel gear, and the bevel gear is meshed with the bevel gear ring.

[0004] However, the milling cutter mechanism for impeller processing of this utility model is not firmly fixed to the workpiece, which easily causes the workpiece to vibrate and deform during processing, resulting in inaccurate processing. Moreover, when the workpiece material is hard, it will damage the milling cutter and reduce the service life of the milling cutter, unable to meet the production requirements. Therefore, a milling cutter mechanism for impeller processing is proposed to solve the problems mentioned above. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a milling cutter mechanism for impeller processing, which has the advantages of being convenient for fixing impellers of different shapes and sizes and strong practicability, and solves the problems that the existing milling cutter mechanism for impeller processing is not firmly fixed to the workpiece, easily causes the workpiece to vibrate and deform during processing, resulting in inaccurate processing, and when the workpiece material is hard, it will damage the milling cutter and reduce the service life of the milling cutter, unable to meet the production requirements.

[0006] To achieve the above object, the utility model provides the following technical solution: A milling cutter mechanism for impeller processing, including a machine tool, a controller fixedly installed outside the machine tool, a milling machine arm fixedly installed on the top of the machine tool, a milling cutter body fixedly installed at one end of the milling machine arm, and an installation box arranged on the top of the machine tool. A fixing mechanism for clamping and fixing the impeller body is arranged inside the installation box and extends to the outside of the installation box;

[0007] The fixing mechanism includes a forward and reverse motor fixedly installed on the inner bottom wall of the installation box and four threaded rods rotatably connected to the inside of the installation box. A transmission gear is fixedly connected to the output shaft of the forward and reverse motor. One end of each of the four threaded rods away from the installation box is fixedly connected with a driven gear meshing with the transmission gear. A threaded block is threadedly connected to the outside of the threaded rod. The top of the threaded block is fixedly connected with a connecting block extending outside the installation box, and a clamp is fixedly connected to the outside of the connecting block.

[0008] Furthermore, the four driven gears are annularly distributed on the top of the transmission gear, and the four threaded rods are cross-shaped distributed inside the installation box.

[0009] Furthermore, a moving port adapted to the connecting block is provided inside the installation box. The number of the clamps is four, and all the four clamps are arc-shaped.

[0010] Furthermore, the milling cutter body and the milling machine arm can rotate around the X-axis and Y-axis in the three-dimensional coordinate system. The milling machine arm is electrically connected to the controller, and the milling cutter body is located above the installation box.

[0011] Furthermore, a moving mechanism for moving the installation box back and forth and extending to the outside of the machine tool is provided inside the machine tool. The moving mechanism includes a servo motor fixedly installed outside the machine tool. A lead screw extending into the machine tool is fixedly connected to the output shaft of the servo motor, and a moving block is threadedly connected to the outside of the lead screw.

[0012] Furthermore, the installation box is fixedly connected to the top of the moving block, a guide shaft is fixedly connected to the inside of the machine tool, and the moving block is slidably connected to the outside of the guide shaft.

[0013] Furthermore, the number of the guide shafts is two, and four support legs are fixedly connected to the bottom of the machine tool.

[0014] Compared with the prior art, the utility model provides a milling cutter mechanism for impeller processing, which has the following beneficial effects:

[0015] 1. For the milling cutter mechanism for impeller processing, by starting the forward and reverse motor to work through the controller to drive the transmission gear to rotate, the transmission gear rotates and meshes with the driven gear to drive the four threaded rods to rotate, so that the four connecting blocks synchronously drive the four clamps to approach or separate, thereby clamping and fixing the impeller, which can meet the processing requirements of impellers with different shapes and sizes, ensure the stability and accuracy in the processing process, and achieve the advantage of being convenient to fix impellers with different shapes and sizes.

[0016] 2. The milling cutter mechanism for impeller processing starts the servo motor to drive the lead screw to rotate through the controller, so that the moving block drives the mounting box, the fixing mechanism and the impeller body to reach below the milling cutter body, facilitating the fixing and removal of the impeller body, and achieving the advantage of strong practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional structure diagram of the present utility model;

[0018] Figure 2 is a three-dimensional structure diagram of the mounting box and the fixing mechanism of the present utility model;

[0019] Figure 3 is a three-dimensional structure diagram of the fixing mechanism of the present utility model;

[0020] Figure 4 is the present utility model Figure 1 an enlarged schematic structural diagram of A shown.

[0021] In the figure: 1, machine tool; 2, controller; 3, milling machine arm; 4, milling cutter body; 5, mounting box; 6, fixing mechanism; 61, forward and reverse motor; 62, driving gear; 63, driven gear; 64, threaded rod; 65, threaded block; 66, connecting block; 67, clamp; 7, moving mechanism; 71, servo motor; 72, lead screw; 73, moving block; 74, guide shaft. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1 to 4, A milling cutter mechanism for impeller processing in this embodiment includes a machine tool 1, a controller 2 fixedly installed outside the machine tool 1, a milling machine arm 3 fixedly installed on the top of the machine tool 1, a milling cutter body 4 fixedly installed at one end of the milling machine arm 3, and an installation box 5 arranged on the top of the machine tool 1. Inside the installation box 5, there is a fixing mechanism 6 extending to its outside for clamping and fixing the impeller body. The fixing mechanism 6 includes a forward and reverse motor 61 fixedly installed on the inner bottom wall of the installation box 5, and four threaded rods 64 rotatably connected inside the installation box 5. A transmission gear 62 is fixedly connected to the output shaft of the forward and reverse motor 61. One end of each of the four threaded rods 64 away from the installation box 5 is fixedly connected with a driven gear 63 meshing with the transmission gear 62. The outside of the threaded rod 64 is threadedly connected with a threaded block 65. The top of the threaded block 65 is fixedly connected with a connecting block 66 extending to the outside of the installation box 5. The outside of the connecting block 66 is fixedly connected with a clamp 67.

[0024] By starting the forward and reverse motor 61 to work through the controller 2 to drive the transmission gear 62 to rotate, the transmission gear 62 rotates and meshes with the driven gear 63 to drive the four threaded rods 64 to rotate, so that the four connecting blocks 66 synchronously drive the four clamps 67 to approach or separate, thereby clamping and fixing the impeller, which can adapt to the processing requirements of impellers with different shapes and sizes, ensure the stability and accuracy during the processing, and achieve the advantage of being convenient to fix impellers with different shapes and sizes.

[0025] Among them, the four driven gears 63 are annularly distributed on the top of the transmission gear 62, and the four threaded rods 64 are cross-shaped distributed inside the installation box 5.

[0026] Specifically, a moving port adapted to the connecting block 66 is opened inside the installation box 5. The number of the clamps 67 is four, and the four clamps 67 are all arc-shaped.

[0027] It should be noted that the milling cutter body 4 and the milling machine arm 3 can rotate around the X-axis and Y-axis in the three-dimensional coordinate system. The milling machine arm 3 is electrically connected to the controller 2, and the milling cutter body 4 is located above the installation box 5.

[0028] In this embodiment, a moving mechanism 7 extending to its outside for moving the installation box 5 back and forth is arranged inside the machine tool 1. The moving mechanism 7 includes a servo motor 71 fixedly installed outside the machine tool 1. A lead screw 72 extending into the machine tool 1 is fixedly connected to the output shaft of the servo motor 71. The outside of the lead screw 72 is threadedly connected with a moving block 73. By starting the servo motor 71 to work through the controller 2 to drive the lead screw 72 to rotate, the moving block 73 drives the installation box 5, the fixing mechanism 6 and the impeller body to reach below the milling cutter body 4, which is convenient for fixing and taking out the impeller body.

[0029] Among them, the installation box 5 is fixedly connected to the top of the moving block 73, and a guiding shaft 74 is fixedly connected inside the machine tool 1. The moving block 73 is slidably connected to the outside of the guiding shaft 74.

[0030] Specifically, the number of guiding shafts 74 is two, and the bottom of the machine tool 1 is fixedly connected with four supporting legs.

[0031] The working principle of the above embodiment is as follows:

[0032] During use, place the impeller body on the upper surface of the installation box 5. Start the forward and reverse motor 61 to work through the controller 2 to drive the transmission gear 62 to rotate. The transmission gear 62 rotates and meshes with the driven gear 63 to drive the four threaded rods 64 to rotate, so that the four connecting blocks 66 synchronously drive the four clamps 67 to approach or separate, thereby clamping and fixing the impeller. Then, start the servo motor 71 to work through the controller 2 to drive the lead screw 72 to rotate, so that the moving block 73 drives the installation box 5, the fixing mechanism 6 and the impeller body to reach below the milling cutter body 4, fix and take out the impeller body, and start the milling machine arm 3 and the milling cutter body 4 to work through the controller 2 to process the impeller body.

[0033] The installation method, connection method or setting method disclosed in this embodiment are all common mechanical connection methods, and any method that can achieve its beneficial effects can be implemented. In addition, the electrical components that appear in this embodiment are all electrically connected to the main controller and the power supply. The main controller can be a conventional known device such as a computer that plays a control role. Those skilled in the art can realize the control of the electrical components through simple programming, and the existing publicly disclosed power connection technology also belongs to the common knowledge in this field. Therefore, the specific structural composition and working principle are not described in detail in this embodiment.

[0034] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0035] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A milling cutter mechanism for impeller machining, characterized in that: It includes a machine tool (1), a controller (2) fixedly installed outside the machine tool (1), a milling machine arm (3) fixedly installed on the top of the machine tool (1), a milling cutter body (4) fixedly installed at one end of the milling machine arm (3), and an installation box (5) arranged on the top of the machine tool (1). A fixing mechanism (6) for clamping and fixing the impeller body is arranged inside the installation box (5) and extends to its outside. The fixing mechanism (6) includes a forward and reverse motor (61) fixedly installed on the inner bottom wall of the installation box (5) and four threaded rods (64) rotatably connected inside the installation box (5). A transmission gear (62) is fixedly connected to the output shaft of the forward and reverse motor (61). Driven gears (63) meshing with the transmission gear (62) are fixedly connected to the ends of the four threaded rods (64) away from the installation box (5). A threaded block (65) is threadedly connected to the outside of the threaded rod (64). A connecting block (66) extending to the outside of the installation box (5) is fixedly connected to the top of the threaded block (65). A clamp (67) is fixedly connected to the outside of the connecting block (66).

2. The milling cutter mechanism for impeller machining according to claim 1, wherein: The four driven gears (63) are annularly distributed on the top of the transmission gear (62), and the four threaded rods (64) are cross-shaped distributed inside the installation box (5).

3. The milling cutter mechanism for impeller machining according to claim 1, characterized in that: A moving port adapted to the connecting block (66) is opened inside the installation box (5). The number of the clamps (67) is four, and all the four clamps (67) are arc-shaped.

4. The milling cutter mechanism for impeller machining according to claim 1, wherein: The milling cutter body (4) and the milling machine arm (3) can rotate around the X-axis and Y-axis in the three-dimensional coordinate system. The milling machine arm (3) is electrically connected to the controller (2), and the milling cutter body (4) is located above the installation box (5).

5. The milling cutter mechanism for impeller machining according to claim 1, wherein: A moving mechanism (7) for moving the installation box (5) back and forth is arranged inside the machine tool (1) and extends to its outside. The moving mechanism (7) includes a servo motor (71) fixedly installed outside the machine tool (1). A lead screw (72) extending to the inside of the machine tool (1) is fixedly connected to the output shaft of the servo motor (71). A moving block (73) is threadedly connected to the outside of the lead screw (72).

6. The milling cutter mechanism for impeller machining according to claim 1, characterized in that: The installation box (5) is fixedly connected to the top of the moving block (73). A guide shaft (74) is fixedly connected inside the machine tool (1), and the moving block (73) is slidably connected to the outside of the guide shaft (74).

7. The milling cutter mechanism for impeller machining according to claim 6, characterized in that: The number of the guide shafts (74) is two, and four support legs are fixedly connected to the bottom of the machine tool (1).

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