High-rigidity multi-shaft machining main shaft of combined machine tool
By adopting a box-shaped mounting structure in the combination machine tool, which includes a turret drive unit and a linear motion unit, the problem of insufficient spindle strength in existing combination machine tools is solved, achieving high-rigidity multi-axis machining and convenient maintenance.
Patent Information
- Application Number
- CN202520470871.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-17
AI Technical Summary
The existing combination machine tool spindle structure is not strong enough, making it difficult to process complex parts and unable to be equipped with multi-axis turrets. The exposed components are easily damaged.
It adopts a box-shaped mounting box structure, with a turret drive unit and a linear motion unit inside. The turret drive unit is located inside the mounting box, while the linear motion unit is on the outside, which enhances the overall rigidity and protection effect.
It improves the overall rigidity and feed stability of the machine tool, saves space, facilitates motor maintenance, and enhances the protection of components.
Smart Images

Figure CN223902934U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to machine tool component technical field, concretely relates to a combined machine tool high rigidity multi -spindle machining main shaft. BACKGROUND
[0002] The main shaft part is one of important component parts of the combined machine tool, and a long distance combined machine tool power spindle structure is disclosed in patent No. CN220993688U, mainly comprising a main shaft shell, a main shaft driving part and a main driving part, the main shaft structure only has a tool to process, is difficult to process complex parts, and most of the parts of the main shaft structure are exposed, and the overall strength is limited, so that the multi -spindle tool tower can not be directly configured for use, and there are still deficiencies. CONTENT OF UTILITY MODEL
[0003] The utility model discloses in order to avoid the deficiency that exists in prior art, provides a combined machine tool high rigidity multi -spindle machining main shaft.
[0004] The utility model discloses a combined machine tool high rigidity multi -spindle machining main shaft with external frame movable joint, the machining main shaft includes:
[0005] Mounting box, the mounting space is formed in the mounting box;
[0006] The tool tower driving part in the mounting space, the tool tower driving part includes the transmission connection of tool tower driving motor and transmission shaft body;
[0007] Multi -spindle tool tower is arranged on the outside of mounting box, and the transmission shaft body is connected with multi -spindle tool tower;
[0008] Linear movement part is arranged on the outside of mounting box, and the linear movement part includes the transmission connection of linear drive motor and screw rod assembly, and the screw rod assembly is connected with external frame, and the linear movement part is used to drive mounting box linear motion along external frame.
[0009] In several embodiments, a partition is arranged in the mounting box, the partition divides the mounting box into box one and box two, the upper end surface and the lower end surface of the box one have openings, and the upper end surface is inclinedly arranged.
[0010] In several embodiments, the tool tower driving motor is arranged in the box one, and the transmission shaft body is arranged in the box two.
[0011] In several embodiments, the box two is provided with a positioning block, the positioning block is provided with a positioning groove, the transmission shaft body is provided with a shaft seat, and the shaft seat is connected with the positioning block through the positioning groove.
[0012] In several embodiments, the box one is provided with a connecting plate at one end away from the box two, the connecting plate is arranged on the lower end surface, the linear drive motor is connected with a motor base, and the motor base is connected with the connecting plate.
[0013] In several embodiments, the box one is provided with a bearing seat at one end close to the box two, the bearing seat is used for accommodating a bearing, and the bearing is arranged at the end of the screw rod assembly.
[0014] In several embodiments, the lower end surface of the box one is flat and extends to the box two and forms a lower mounting surface, the lower mounting surface is provided with slidingly matched slide rails and slide blocks, and the slide blocks are connected with an external frame.
[0015] In several embodiments, the screw rod assembly comprises a screw rod body and a nut seat arranged on the screw rod body, and the nut seat is connected with the external frame.
[0016] In several embodiments, the mounting box further has two opposite and flat side end surfaces, and the lower mounting surface is arranged between the two side end surfaces.
[0017] The utility model discloses the beneficial effect lies in:
[0018] The utility model discloses the mounting box structure of box -shaped is used as integral support, is favorable to increase strength, improves rigidity, and is easy to carry out protection in the machine tool interior.
[0019] And, the linear movement part is directly arranged outside the mounting box, guarantees the stability and precision of feeding, saves the space, and improves rigidity.
[0020] And, the tool tower driving part is arranged inside the mounting box, improves the protection effect, and is convenient for the maintenance of motor. DRAWINGS
[0021] The drawings described in the present text are only for the illustration purpose of selected embodiments, do not represent all possible embodiments, and should not be considered as the limitation of the scope of the utility model.
[0022] Figure 1 It is the whole schematic diagram of high rigidity multi -spindle machining main shaft of combined machine tool in example 1;
[0023] Figure 2 It is Figure 1 Schematic diagram in another perspective;
[0024] Figure 3 It is Figure 1 Enlarged schematic diagram of mounting box;
[0025] Figure 4 It is Figure 3 Schematic diagram in another perspective of mounting box in example 2;
[0026] Figure 5 is Figure 1 Schematic view of installation box combined with external frame. DETAILED DESCRIPTION
[0027] Below, the embodiment of the present application is described in detail with reference to the drawings, to make the purpose, technical scheme and advantages of the embodiment of the present application more clear, the technical scheme in the embodiment of the present application will be clearly and completely described below in combination with the drawings of the embodiment of the present application, Obviously, the described embodiment is a part of the embodiment of the present application, rather than all the embodiments.
[0028] Therefore, the detailed description of the embodiment of the present application provided in combination with the drawings below is not intended to limit the scope of the claimed present application, but only represents the selected embodiment of the present application, all other embodiments obtained by the person skilled in the art without creative labor on the basis of the embodiment in the present application, belong to the scope of protection of the present application.
[0029] Embodiment 1
[0030] As Figures 1-5 shown, the combined machine tool high-rigidity multi-axis machining spindle provided by the embodiment mainly comprises an installation box 10 with an installation space inside, a tool tower driving part 20 arranged in the installation space, a multi-axis tool tower 30 arranged outside the installation box 10, and a linear moving part 40 arranged outside the installation box 10. Other components are accommodated and installed by the installation box 10, machining is realized by the tool tower driving part 20, and overall linear displacement is realized by the linear moving part 40.
[0031] Specifically, a partition plate 101 is arranged in the installation box 10, which divides the installation box 10 into box one 11 and box two 12. The upper end surface 111 and the lower end surface 112 of the box one 11 both have openings, and the upper end surface 111 is inclinedly arranged, and the opening positions can be closed by detachable external cover plates.
[0032] Among them, the lower end surface 112 of the box one 11 extends to the box two 12 and forms a lower installation surface 102, the sliding rail 51 and the sliding block 52 are arranged on the lower installation surface 102 in sliding cooperation, the sliding block 52 is connected with the external frame 100, and the installation box 10 also has two opposite and flat side end surfaces 103, the lower installation surface 102 is arranged between the two side end surfaces 103, and a square box structure is formed.
[0033] The tool tower driving part 20 comprises a tool tower driving motor 21 and a transmission shaft body 22, the transmission shaft body 22 is in transmission connection with the multi-axis tool tower 30, the tool tower driving motor 21 is arranged in the box one 11, the transmission shaft body 22 is arranged in the box two 12, a positioning block 121 is arranged in the box two 12, a positioning groove 122 is arranged on the positioning block 121, a shaft seat 23 is sleeved on the transmission shaft body 22, the shaft seat 23 is connected with the positioning block 121 through the positioning groove 122, that is, the shaft seat 23 can be inserted into the positioning groove 122 for positioning connection, and locking is carried out through cooperation with a screw and the like fastener.
[0034] The linear movement part 40 comprises a linear driving motor 41 and a screw rod assembly in transmission connection, the screw rod assembly is connected with the external frame 100, and the linear movement part 40 is used to drive the mounting box 10 to move linearly along the external frame 100.
[0035] The box one 11 is provided with a connecting plate 113 at one end away from the box two 12, the connecting plate 113 is arranged on the lower end face 112, the linear driving motor 41 is connected with a motor seat 42, the motor seat 42 is connected with the connecting plate 113, the box one 11 is provided with a bearing seat 114 at one end close to the box two 12, the bearing seat 114 is used to accommodate a bearing, and the bearing is arranged at the end of the screw rod assembly.
[0036] Therefore, the screw rod body 431 is parallel to the transmission shaft body 22, and the screw rod body 431 is located below the transmission shaft body 22.
[0037] In use, the mounting box 10 is in sliding connection with the external frame 100, the external frame 100 has a square movable space for accommodating the mounting box 10, both ends of the mounting box 10 are protruded to the outside of the external frame 100, and the inclined upper end face 111 is designed to make the opening space between the upper end face 111 and the external frame 100 larger, so that the tool tower driving motor 21 in the interior is convenient to overhaul.
[0038] All the modes described in the specification can be performed in any suitable order. Any and all examples, or exemplary languages provided herein (such as "for example"), are merely used to better illustrate the present application, and are not intended to limit the scope of the present application, unless the claims. The language in the detailed description should not be understood as indicating any essential factor of practicing the present application that is not claimed.
[0039] Of course, variations of the preferred embodiments will become apparent to those of ordinary skill in the art once the above disclosure is considered. Accordingly, it is not intended that the application be limited as described above, but rather that it be limited as set forth in the claims below and any equivalents thereof. Furthermore, unless otherwise stated, all measurements, values, ratings, positions, magnitudes, sizes, and other specifications that are set forth in this specification are approximate, unless otherwise indicated or the context otherwise requires.
Claims
1. A high-rigidity multi-axis machining spindle for a modular machine tool, which is movably connected to an external frame (100), characterized in that, The machining spindle comprises: a mounting box (10) having a mounting space inside; a tool turret driving part (20) arranged in the mounting space, the tool turret driving part (20) comprising a tool turret driving motor (21) and a transmission shaft body (22) in transmission connection; a multi-spindle tool turret (30) arranged outside the mounting box (10), the transmission shaft body (22) being in transmission connection with the multi-spindle tool turret (30); a linear moving part (40) arranged outside the mounting box (10), the linear moving part (40) comprising a linear driving motor (41) and a screw rod assembly in transmission connection, the screw rod assembly being connected with an external frame (100), the linear moving part (40) being used to drive the mounting box (10) to move linearly along the external frame (100).
2. A high-rigidity multi-spindle machining main shaft of a combined machine tool according to claim 1, characterized in that, The mounting box (10) is provided with a partition plate (101), the partition plate (101) divides the mounting box (10) into a box one (11) and a box two (12), the upper end surface (111) and the lower end surface (112) of the box one (11) are both provided with openings, and the upper end surface (111) is arranged obliquely.
3. A high-rigidity multi-spindle machining main shaft of a combined machine tool according to claim 2, characterized in that, The tool turret driving motor (21) is arranged in the box one (11), and the transmission shaft body (22) is arranged in the box two (12).
4. A high-rigidity multi-spindle machining main shaft of a combined machine tool according to claim 3, characterized in that, The box two (12) is provided with a positioning block (121), the positioning block (121) is provided with a positioning groove (122), the transmission shaft body (22) is provided with a shaft seat (23), and the shaft seat (23) is connected with the positioning block (121) through the positioning groove (122).
5. A high-rigidity multi-spindle machining main shaft of a combined machine tool according to claim 2, characterized in that, The box one (11) is provided with a connecting plate (113) away from the box two (12), the connecting plate (113) is arranged on the lower end surface (112), the linear driving motor (41) is connected with a motor seat (42), and the motor seat (42) is connected with the connecting plate (113).
6. A high-rigidity multi-spindle machining main shaft of a combined machine tool according to claim 5, characterized in that, The box one (11) is provided with a bearing seat (114) close to the box two (12), the bearing seat (114) is used to accommodate a bearing, and the bearing is arranged at the end of the screw rod assembly.
7. A high-rigidity multi-spindle machining main shaft of a combined machine tool according to claim 2, characterized in that, The lower end surface (112) of the box one (11) extends to the box two (12) flatly and forms a lower mounting surface (102) therefrom, the lower mounting surface (102) is provided with a sliding rail (51) and a sliding block (52) in sliding cooperation, and the sliding block (52) is connected with the external frame (100).
8. A high-rigidity multi-spindle machining main shaft of a combined machine tool according to claim 1, characterized in that, The screw rod assembly comprises a screw rod body (431) and a nut seat (432) arranged on the screw rod body (431), and the nut seat (432) is connected with the external frame (100).
9. A high-rigidity multi-spindle machining main shaft of a combined machine tool according to claim 7, characterized in that, The mounting box (10) further has two opposite and flat side end surfaces (103), and the lower mounting surface (102) is arranged between the two side end surfaces (103).
Citation Information
Patent Citations
A long-distance combined machine tool power spindle structure
CN220993688U