Spindle box of composite spindle type planer type milling machine

Abstract

The utility model relates to the technical field of machine tools, in particular to a composite spindle type planer type milling machine spindle box which comprises a spindle, an auxiliary spindle and a machining auxiliary assembly, the spindle is of a hollow structure, the telescopic auxiliary spindle is arranged in the spindle and is of a hollow structure, and a driving unit is of an integral structure and is installed in the spindle box. The auxiliary spindle is composed of a built-in stator rotor and a planetary speed change part and is arranged to be a concentric driving spindle of a hollow structure, and the machining auxiliary assembly is arranged on the auxiliary spindle. The machining auxiliary assembly is arranged in the spindle box of the composite spindle type planer type milling machine, the planer type milling machine is used for machining deep cavity positions of some extra-large parts through the arranged machining auxiliary assembly, the machining mode cannot cause insufficient rigidity, large cutting output can be adopted, the machining precision and efficiency can be improved, and the actual use requirement is met.

Description

Technical Field

[0001] The utility model relates to the technical field of machine tools, in particular to a spindle box of a gantry milling machine with a composite spindle. Background Technique

[0002] As an important component of a gantry boring and milling machine, the structure and performance of the spindle box will directly affect various performances of the machine tool such as stiffness, precision, and noise. In traditional gantry boring and milling machines, the spindle motor is mostly placed at the top of the spindle box and drives the spindle through a long optical bar. The spindle speed is low, the noise is large, and the machining and assembly precision requirements for the spindle box are high. In addition, when the gantry milling machine is machining some extra-large parts at deep cavity positions, the cross-section of the spindle box is large and the accessibility is poor. Existing machine tools often use the method of extending the milling head or lengthening the tool bar to solve this problem. Because of the multi-section combination, the rigidity is insufficient, large cutting amounts cannot be used, and the machining precision and efficiency are affected.

[0003] For the above-mentioned solutions and the prior art, when the spindle box of the gantry milling machine with a composite spindle is machining workpieces, when the gantry milling machine is machining some extra-large parts at deep cavity positions, the method of extending the milling head or lengthening the tool bar will be used to solve the problem. Its machining method will lead to insufficient rigidity, large cutting amounts cannot be used, affecting the machining precision and efficiency, and cannot meet the actual use requirements.

[0004] Therefore, the utility model proposes a spindle box of a gantry milling machine with a composite spindle to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a spindle box of a gantry milling machine with a composite spindle to solve the problems put forward in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A spindle box of a gantry milling machine with a composite spindle, including a main spindle, a sub-spindle, and a machining auxiliary component. The main spindle is set as a hollow structure, with a retractable sub-spindle inside. The sub-spindle is also set as a hollow structure, and the driving unit is an integral structure, installed inside the spindle box, composed of an internal stator-rotor and a planetary speed-changing part, set as a hollow structure to drive the main spindle concentrically. Each of the above structures is installed inside the spindle box and is concentrically symmetrically arranged with the spindle box. The machining auxiliary component is arranged on the sub-spindle.

[0007] Preferably, the machining auxiliary assembly includes a movable groove, a clamping groove, a first magnet, a second magnet, an electric telescopic rod, a lifting ring, a connecting block, a connecting ring, a threaded groove, a moving block, a limiting rod, a limiting groove, a sliding groove, and a guide post; a movable groove is fixedly arranged inside the main shaft, a clamping groove is fixedly arranged on the end face of the auxiliary main shaft, the electric telescopic rod is movably inserted into the clamping groove, the other end is fixedly arranged at one end of the main shaft, a first magnet is fixedly arranged at the end of the electric telescopic rod, a second magnet is fixedly arranged at the bottom of the clamping groove, the lifting ring is movably arranged on the electric telescopic rod, a connecting block is fixedly arranged at equal intervals on one side end face of the lifting ring, a threaded groove is fixedly arranged on the lifting ring, the outer side wall of the connecting block is connected to the outer side wall of the guide post, sliding grooves are symmetrically and fixedly arranged on the outer side wall of the electric telescopic rod, guide posts are fixedly arranged in the sliding grooves, the connecting ring is movably arranged on the electric telescopic rod, a moving block is fixedly arranged on the end face of the connecting ring, a limiting rod is fixedly arranged on the end face of the moving block, and limiting grooves are fixedly arranged at equal intervals on the end face of the auxiliary main shaft.

[0008] Preferably, the auxiliary main shaft corresponds to the movable groove in terms of the setting position and has the same number of sets.

[0009] Preferably, the clamping groove corresponds to the electric telescopic rod in terms of the setting position and has the same number of sets, and the groove diameter of the clamping groove is equal to the diameter of the electric telescopic rod.

[0010] Preferably, the first magnet corresponds to the second magnet in terms of the setting position and has the same number of sets.

[0011] Preferably, the lifting ring corresponds to the electric telescopic rod in terms of the setting position and has the same number of sets, and the lifting ring is threadedly connected to the threaded end of the electric telescopic rod.

[0012] Preferably, the moving block corresponds to the guide post in terms of the setting position and has the same number of sets.

[0013] Preferably, the limiting rod corresponds to the limiting groove in terms of the setting position and has the same number of sets, and the diameter of the limiting rod is equal to the groove diameter of the limiting groove.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] By arranging a machining auxiliary assembly in the spindle box of the compound spindle type gantry milling machine, for the machining of some extra-large parts at deep cavity positions on the gantry milling machine, the machining method using the arranged machining auxiliary assembly will not result in insufficient rigidity, and large cutting amounts can be adopted to improve machining accuracy and efficiency, meeting the actual use requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic structural diagram of the spindle box of the compound spindle type gantry milling machine of the present utility model;

[0017] Figure 2 Schematic diagram of the main shaft and the auxiliary main shaft structure of the present utility model;

[0018] Figure 3 Schematic diagram of the sectional view structure of the main shaft and the auxiliary main shaft of the present utility model;

[0019] Figure 4 Schematic diagram of the left side structure of the machining auxiliary component of the present utility model;

[0020] Figure 5 Schematic diagram of the right side structure of the machining auxiliary component of the present utility model.

[0021] In the figure: main shaft 1, auxiliary main shaft 2, planetary speed change part 3, drive unit 4, built-in stator and rotor 5, main shaft box 6, movable groove 7, clamping groove 8, first magnet 9, second magnet 10, electric telescopic rod 11, lifting ring 12, connecting block 13, connecting ring 14, threaded groove 15, moving block 16, limiting rod 17, limiting groove 18, sliding groove 19, guide post 20. Specific embodiments

[0022] The technical solutions in the embodiments of the present utility model will be clearly and completely described below. For 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 5 A main shaft box of a composite main shaft type gantry milling machine, the present utility model provides a technical solution: a main shaft box of a composite main shaft type gantry milling machine, including a main shaft 1, an auxiliary main shaft 2 and a machining auxiliary component, the main shaft 1 is arranged in a hollow structure, with a retractable auxiliary main shaft 2 built therein, and the auxiliary main shaft 2 is arranged in a hollow structure, and the drive unit 4 is an integral structure, installed in the main shaft box 6, composed of a built-in stator and rotor 5 and a planetary speed change part 3, arranged to drive the main shaft concentrically in a hollow structure, and the foregoing structures are installed in the main shaft box 6, and are arranged symmetrically concentrically with the main shaft box 6, and the machining auxiliary component is arranged on the auxiliary main shaft 2.

[0024] The processing auxiliary components include a movable slot 7, a clamping slot 8, a first magnet 9, a second magnet 10, an electric telescopic rod 11, a lifting ring 12, a connecting block 13, a connecting ring 14, a threaded groove 15, a moving block 16, a limiting rod 17, a limiting slot 18, a sliding groove 19, and a guide post 20; a movable slot 7 is fixedly arranged inside the main shaft 1, and a clamping slot 8 is fixedly arranged on the end face of the auxiliary main shaft 2, and the electric telescopic rod 11 is movably inserted into the clamping slot 8, and the other end is fixedly arranged at one end of the main shaft 1, and a first magnet 9 is fixedly arranged at the end of the electric telescopic rod 11, and a second magnet 10 is fixedly arranged at the bottom of the clamping slot 8, and the lifting ring 12 is movably arranged on the electric telescopic rod 11, and a connecting block 13 is fixedly arranged at equal intervals on one side end face of the lifting ring 12, and a threaded groove 15 is fixedly arranged on the lifting ring 12, and the outer side wall of the connecting block 13 is connected to the outer side wall of the guide post 20, and sliding grooves 19 are symmetrically and fixedly arranged on the outer side wall of the electric telescopic rod 11, and guide posts 20 are fixedly arranged in the sliding grooves 19, and the connecting ring 14 is movably arranged on the electric telescopic rod 11, and a moving block 16 is fixedly arranged on the end face of the connecting ring 14, and a limiting rod 17 is fixedly arranged on the end face of the moving block 16, and limiting slots 18 are fixedly arranged at equal intervals on the end face of the auxiliary main shaft 2; the auxiliary main shaft 2 and the movable slot 7 are arranged in corresponding positions and have the same number of sets; the clamping slot 8 and the electric telescopic rod 11 are arranged in corresponding positions and have the same number of sets, and the diameter of the clamping slot 8 is equal to the diameter of the electric telescopic rod 11; the first magnet 9 and the second magnet 10 are arranged in corresponding positions and have the same number of sets; the lifting ring 12 and the electric telescopic rod 11 are arranged in corresponding positions and have the same number of sets, and the lifting ring 12 is threadedly connected to the threaded end of the electric telescopic rod 11; the moving block 16 and the guide post 20 are arranged in corresponding positions and have the same number of sets; the limiting rod 17 and the limiting slot 18 are arranged in corresponding positions and have the same number of sets, and the diameter of the limiting rod 17 is equal to the diameter of the limiting slot 18.

[0025] Working principle: First, insert the electric telescopic rod 11 into the clamping slot 18 at the end of the auxiliary main shaft 2 to complete positioning. After that, rotating the lifting ring 12 can drive the connecting ring 14 to rise, and then drive the moving block 16 to move upward in the sliding groove 19 under the guidance of the guide post 20, so that the limiting rod 17 passes through the limiting slot 18 on the end face of the auxiliary main shaft 2 and extends into the limiting slot 18 to limit the auxiliary main shaft 2. When the moving block 16 moves upward to the bottom end of the sliding groove 19, stop rotating the lifting ring 12. At this time, the limiting work of the auxiliary main shaft 2 is completed. Through the settings of the lifting ring 12, the moving block 16, the sliding groove 19, and the limiting rod 17, only by rotating the lifting ring 12 can the moving block 16 be driven to move, and then the auxiliary main shaft 2 can be limited and installed. The operation is simple and the installation is convenient. Then, start the electric telescopic rod 11 according to the required processing depth of the workpiece to drive the auxiliary main shaft 2 to perform telescopic processing inside the main shaft 1.

[0026] 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 compound spindle type gantry milling machine spindle box, characterized in that: The invention comprises a main spindle (1), a sub-spindle (2) and a machining auxiliary component, wherein the main spindle (1) is configured as a hollow structure and has a retractable sub-spindle (2) built in, and the sub-spindle (2) is configured as a hollow structure, and the drive unit (4) is an integral structure, installed in a spindle box (6), and is composed of a built-in stator rotor (5) and a planetary speed change part (3), and is configured as a hollow structure concentric drive spindle, wherein the aforementioned structures are installed in the spindle box (6) and are arranged concentrically and symmetrically with the spindle box (6), and the machining auxiliary component is arranged on the sub-spindle (2); The machining auxiliary component comprises a movable groove (7), a clamping groove (8), a first magnet (9), a second magnet (10), an electric telescopic rod (11), a lifting ring (12), a connecting block (13), a connecting ring (14), a threaded groove (15), a moving block (16), a limiting rod (17), a limiting groove (18), a sliding groove (19), and a guide column (20); the movable groove (7) is fixedly arranged inside the main shaft (1), and the clamping groove (8) is fixedly arranged on the end surface of the secondary main shaft (2); the electric telescopic rod (11) is movably inserted in the clamping groove (8), and the other end is fixedly arranged at one end of the main shaft (1); the end of the electric telescopic rod (11) is fixedly arranged with the first magnet (9), and the bottom of the clamping groove (8) is fixedly arranged with the second magnet ( 10), and the lifting ring (12) is movably arranged on the electric telescopic rod (11), and a connecting block (13) is fixedly arranged on one end face of the lifting ring (12) at equal intervals, and a threaded groove (15) is fixedly arranged on the lifting ring (12), and the outer wall of the connecting block (13) is connected to the outer wall of the guide column (20), and a slide groove (19) is symmetrically fixedly arranged on the outer wall of the electric telescopic rod (11), and a guide column (20) is fixedly arranged in the slide groove (19), and the connecting ring (14) is movably arranged on the electric telescopic rod (11), and a moving block (16) is fixedly arranged on the end face of the connecting ring (14), and a limiting rod (17) is fixedly arranged on the end face of the moving block (16), and a limiting groove (18) is fixedly arranged on the end face of the secondary spindle (2) at equal intervals.

2. The compound spindle type gantry milling machine spindle box according to claim 1, characterized in that: The secondary spindle (2) and the movable slot (7) are arranged at corresponding positions and have the same number of groups.

3. The compound spindle type gantry milling machine spindle box according to claim 1, characterized in that: The clamping slot (8) and the electric telescopic rod (11) are arranged at corresponding positions, have the same number of sets, and the slot diameter of the clamping slot (8) is arranged to be equal to the diameter of the electric telescopic rod (11).

4. The compound spindle type gantry milling machine spindle box according to claim 1, characterized in that: The first magnets (9) and the second magnets (10) are arranged at corresponding positions and have the same number of groups.

5. The compound spindle type gantry milling machine spindle box according to claim 1, characterized in that: The lifting ring (12) and the electric telescopic rod (11) are arranged at corresponding positions and have the same number of sets, and the lifting ring (12) is threadedly connected to one end of the electric telescopic rod (11) with a thread.

6. The compound spindle type gantry milling machine spindle box according to claim 1, characterized in that: The movable blocks (16) and the guide pillars (20) are arranged at corresponding positions and have the same number of groups.

7. The compound spindle type gantry milling machine spindle box according to claim 1, characterized in that: The limiting rod (17) and the limiting groove (18) are arranged at corresponding positions, are arranged in the same number of groups, and the diameter of the limiting rod (17) is arranged to be equal to the groove diameter of the limiting groove (18).

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