Numerically-controlled machine tool capable of machining three faces simultaneously

Abstract

The utility model discloses a numerical control machine tool capable of simultaneously machining three surfaces, which comprises a base and a tool table mounted on the base, a supporting tool for positioning a workpiece is mounted on the tool table, and a pressing mechanism for pressing the workpiece on the supporting tool is mounted on the base; three movable column type horizontal machining centers located on the outer side of the supporting tool are sequentially installed on the base every 90 degrees. The base is provided with a chip removal system used for conducting chip removal on the three movable column type horizontal machining centers at the same time. The three movable column type horizontal machining centers carry out multi-process machining on three faces of a workpiece at the same time, the position of the workpiece cannot be adjusted before machining is completed, after the workpiece is clamped at a time, all the three faces are machined, the workpiece only needs to be fed and discharged, relevant adjustment is not needed in the middle process, and the machining efficiency is improved. Therefore, the processing efficiency can be improved.

Description

Technical Field

[0001] This utility model relates to the field of machine tool technology, and in particular to a CNC machine tool that can process three sides simultaneously. Background Technology

[0002] Three-way pump valves have three end faces, requiring milling, drilling, and tapping of each face separately. Existing dedicated machine tools mainly perform single-sided sequential machining, requiring reprogramming after position adjustments, resulting in low production efficiency. To address these issues, Chinese patent CN110340412A discloses a vertical-horizontal composite machining center. This center integrates a worktable and vertical and horizontal machining devices on either side of the worktable onto the machine bed, enabling simultaneous machining of workpieces placed on the worktable at different positions, or machining of different workpieces using different processes. While this patent proposes integrating multiple machining devices and machining at two positions on a single workpiece, the actual machining process involves different types of devices and requires workpiece position changes. Therefore, it essentially only integrates different types of machining devices to achieve continuous machining after position changes, rather than performing the same machining at two positions or completing all machining processes at a given position without changing the workpiece's location. Utility Model Content

[0003] The purpose of this invention is to provide a CNC machine tool that can process three sides simultaneously, solving the problem of performing multiple processes on three sides without changing the position of the workpiece after it is positioned.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A CNC machine tool capable of simultaneous machining on three sides includes a base and a fixture table mounted on the base. A support fixture for positioning the workpiece is mounted on the fixture table. A clamping mechanism for clamping the workpiece on the support fixture is mounted on the base. Three moving column horizontal machining centers located outside the support fixture are mounted on the base at 90° intervals. A chip removal system is provided on the base for simultaneously removing chips from the three moving column horizontal machining centers.

[0006] Preferably, the clamping mechanism includes a support frame mounted on the base, a sliding guide rail mounted on the support frame, a hanger extending toward one side of the support fixture mounted on the sliding guide rail, a clamping cylinder mounted on the hanger, and a clamping block mounted on the lifting rod of the clamping cylinder; the support frame is provided with a screw mechanism for driving the hanger to slide.

[0007] Preferably, the support fixture includes support plates installed on the fixture table at 90° intervals. The top of the support plate has a V-shaped positioning notch, the support plate has an L-shaped structure, and the bottom bent plate of the support plate has mounting holes.

[0008] Preferably, the chip removal system includes chip removal grooves formed on one side of the two long sides of the base, a spiral chip conveyor is rotatably installed in the chip removal groove, and a chip removal motor is connected to one end of the spiral chip conveyor that extends out of the chip removal groove.

[0009] Preferably, the base is equipped with tool holders located on one side of the three moving column horizontal machining centers respectively. The tool holders are slidably mounted on the vertical supports. The tool holders are equipped with cylinders for pulling the vertical supports to slide. The vertical supports are equipped with multiple tool clips arranged longitudinally, and the tool clips hold tools.

[0010] Preferably, the CNC machine tool integrates a pneumatic system, which includes an air blowing pipe, the end of which extends into the spindle inner hole of the moving column horizontal machining center.

[0011] Preferably, the base is equipped with a protective cover that shields the three moving column horizontal machining centers.

[0012] Preferably, an electrical cabinet located outside the protective cover is mounted on the base.

[0013] Preferably, the base has multiple leveling structures spaced apart at its bottom. Each leveling structure includes a base and a first wedge block slidably mounted on the base. A second wedge block is fitted onto the inclined surface of the first wedge block, and the second wedge block is mounted on the base. An adjusting screw that is threadedly engaged with the first wedge block is rotatably mounted on the base.

[0014] Preferably, the leveling structure is provided with a buried screw fixed on the base, and the end of the buried screw has a bent structure.

[0015] Beneficial effects:

[0016] Three moving column horizontal machining centers are installed sequentially at 90-degree intervals on the outside of the tooling table. After the workpiece is positioned by the clamping mechanism and the supporting tooling, the three moving column horizontal machining centers simultaneously perform multi-process machining on three sides of the workpiece. The workpiece does not need to be repositioned before the machining is completed. This ensures that all three sides of the workpiece are machined after one clamping. The workpiece only needs to be loaded and unloaded. No further adjustments are required in the intermediate process, thereby improving machining efficiency. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;

[0018] Figure 2 This is a schematic diagram of the structure of this utility model without the protective cover;

[0019] Figure 3 for Figure 2 A top-view structural diagram;

[0020] Figure 4 This is a schematic diagram of the assembly of the tooling table and the supporting tooling in an embodiment of this utility model;

[0021] Figure 5 This is a schematic diagram of the leveling structure in an embodiment of the present invention;

[0022] Figure 6 This is a schematic diagram of the tool magazine structure in an embodiment of this utility model;

[0023] exist Figures 1 to 6 In the diagram, the correspondence between component names or lines and the drawing numbers is as follows:

[0024] 1. Base, 2. Tooling table, 3. Supporting tooling, 3. Support plate, 31. Positioning notch, 32. Mounting hole, 33. Clamping mechanism, 4. Support frame, 41. Sliding guide rail, 42. Hanger, 43. Clamping cylinder, 44. Clamping block, 45. Lead screw mechanism, 46. Moving column horizontal machining center, 5. Chip conveying groove, 6. Spiral chip conveyor, 7. Chip conveying motor, 8. Tool holder, 9. Stand, 10. Tool cylinder, 11. Tool holder, 12. Tool, 13. Protective cover, 14. Electrical cabinet, 15. Leveling structure, 16. Base, 161. First wedge block, 162. Second wedge block, 163. Adjusting screw, 164. Buried screw, 17. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0026] See Figures 1-6As shown in the figure, an embodiment of this utility model proposes a CNC machine tool for simultaneous three-sided machining, including a base 1 and a tooling table 2 mounted on the base 1. A support tooling 3 for positioning the workpiece is mounted on the tooling table 2. A clamping mechanism 4 for clamping the workpiece on the support tooling 3 is mounted on the base 1. The support tooling 3 is mainly used to support a pump valve with a three-way structure. Of course, other workpieces have a T-shaped structure and can also be clamped on the support tooling 3 when machining three sides at the same time. The clamping mechanism 4 reliably clamps the workpiece on the support tooling 3, thereby ensuring that the workpiece will not shake during the machining process. Specifically, three identical horizontal machining centers 5 with movable columns are installed at 90° intervals on the base 1, located outside the supporting fixture 3. These three centers simultaneously machine the same or different structures on three sides of the workpiece, eliminating the need for workpiece position adjustments. All machining operations on the opposite side, including milling, drilling, and tapping, are completed by the corresponding horizontal machining center 5. For the workpiece, only loading and unloading operations are required; no further adjustments are needed during machining, thus improving processing efficiency. The horizontal machining centers 5 can be adjusted in the X, Y, and Z directions, and the high-speed rotation of the spindle drives the cutting tool 13 for machining operations. The entire machining center can utilize readily available, mature products.

[0027] Meanwhile, a chip removal system is provided on the base 1 for simultaneously removing chips from three moving column horizontal machining centers 5. Due to layout factors, the falling chips may move to both sides of the base 1. The chip removal system collects and discharges the chips on the entire base 161. Specifically, the chip removal system includes chip removal grooves 6 opened on one side of the two long sides of the base 1. A spiral chip conveyor 7 is rotatably installed in the chip removal groove 6. One end of the spiral chip conveyor 7 extending out of the chip removal groove 6 is connected to a chip removal motor 8. The chip removal groove 6 collects the outward-flowing chips, and the spiral chip conveyor 7 is driven to rotate by the chip removal motor 8 to collect the chips at one end of the chip removal groove 6, which facilitates centralized chip removal.

[0028] Specifically, the clamping mechanism 4 includes a support frame 41 mounted on the base 1, a sliding guide rail 42 mounted on the support frame 41, a hanger 43 extending towards the support fixture 3 mounted on the sliding guide rail 42, a clamping cylinder 44 mounted on the hanger 43, and a clamping block 45 mounted on the lifting rod of the clamping cylinder 44; the support frame 41 is provided with a screw mechanism 46 for driving the hanger 43 to slide; the hanger 43 is driven to move relative to the sliding guide rail 42 by the screw mechanism 46, and after adjusting the position of the clamping cylinder 44 to correspond to the workpiece, the clamping cylinder 44 pushes the clamping block 45 to clamp the workpiece onto the support fixture 3. Of course, the screw mechanism 46 can also be omitted, and the hanger 43 can be moved directly.

[0029] Specifically, the support fixture 3 supports workpieces with a T-shaped structure, including support plates 31 installed at 90° intervals on the fixture table 2. The top of each support plate 31 has a V-shaped positioning notch 32, and the support plate 31 has an L-shaped structure. Mounting holes 33 are provided on the bottom bent plate of the support plate 31. The positioning notch 32 allows for simultaneous positioning and support of the workpiece at three different positions. The support plate 31 can be adjusted in position via the mounting holes 33 to accommodate workpieces of different sizes.

[0030] To facilitate independent tool changing for each of the three horizontal machining centers 5, tool holders 13 9 are mounted on the base 1, located on one side of each of the three horizontal machining centers 5. A support frame 10 slides on the tool holder 13 9, and a cylinder is mounted on the tool holder 13 9 to pull the support frame 10. Multiple tool holders 12 are arranged longitudinally on the support frame 10, and tools 13 are held in the tool holders 12. The cylinder pushes the tool holder 13 9 inwards, aligning the tool holders 12 with the spindle of the horizontal machining center 5, enabling rapid tool changing. Specifically, all machining centers must be stopped during tool changing to avoid safety hazards. Alternatively, other mature tool magazine structures can be used, such as a D-type tool magazine directly integrated into the horizontal machining center 5.

[0031] Meanwhile, the CNC machine tool is integrated with a pneumatic system, which includes an air blowing pipe. The end of the air blowing pipe extends to the inner hole of the spindle of the moving column horizontal machining center 5. The pneumatic system can be based on existing technology. The main point is that in this embodiment, the air blowing pipe is extended to the inner hole of the spindle, which can blow away impurities when changing the tool 13 to avoid impurities in the installation position of the tool 13. The specific air path layout and air path control all adopt mature existing technologies.

[0032] To prevent waste from splashing to the outside and to improve safety, a protective cover 14 is installed on the base 1 to shield the three moving column horizontal machining centers 5.

[0033] Meanwhile, an electrical cabinet 15 is installed on the base 1, located outside the protective cover 14. Placing the electrical cabinet 15 outside the protective cover 14 prevents impurities and coolant from splashing into the electrical cabinet 15, ensuring the normal operation of the electrical equipment in the electrical cabinet 15.

[0034] To facilitate leveling during the installation of the entire CNC machine tool and meet installation requirements, multiple leveling structures 16 are spaced apart at the bottom of the base 1. These structures are arranged in a ring around the bottom of the base 1 to facilitate leveling at corresponding positions during installation, ensuring that the entire CNC machine tool is level after installation. The leveling structure 16 includes a base 161 and a first wedge block 162 slidably mounted on the base 161. A second wedge block 163 is fitted on the inclined surface of the first wedge block 162. The second wedge block 163 is mounted on the base 1. Meanwhile, an adjusting screw 164 that is threadedly engaged with the first wedge block 162 is rotatably mounted on the base 161. The first wedge block 162 slides relative to the adjusting seat by adjusting the adjusting screw 164, so that the first wedge block 162 and the second wedge block 163 cooperate to adjust the height of the base 1 at the corresponding position. Specifically, both the first wedge block 162 and the second wedge block 163 are provided with outwardly inclined inclined surfaces. The first wedge block 162 and the second wedge block 163 realize the transformation of horizontal sliding into height adjustment through the inclined surface cooperation, so as to realize the leveling operation.

[0035] Meanwhile, a buried screw 17 fixed to the base 1 is threaded through the leveling structure 16. The end of the buried screw 17 has a bent structure, which limits the leveling structure 16. Specifically, a strip hole is opened in the first wedge block 162 and the second wedge block 163 to allow movement relative to the buried screw 17 during adjustment. The length of the strip hole can be limited to the maximum and minimum adjustment heights. At the same time, the bent structure ensures reliable fixation of the base 1 when buried. A nut is provided at the end of the buried screw 17 that extends into the base 1. The nut needs to be loosened when leveling the base 1, and tightened after adjustment to maintain the leveled state.

[0036] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0037] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0038] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A three-surface simultaneous machining numerical control machine tool, characterized by: Including base (1) and installation on the base (1) tooling table (2), the tooling table (2) is installed with the support tooling (3) for positioning workpiece, the base (1) is installed with the pressure mechanism (4) for compacting workpiece on the support tooling (3); Three dynamic column horizontal machining centers (5) are installed on the base (1) in turn every 90 ° outside the support tooling (3); The base (1) is provided with a chip removal system for simultaneously removing chips of the three dynamic column horizontal machining centers (5).

2. A three-face simultaneous machining numerical control machine tool according to claim 1, characterized in that: The pressure mechanism (4) includes a support frame (41) installed on the base (1), a sliding guide (42) installed on the support frame (41), a hanger (43) extending towards the side of the support tooling (3) installed on the sliding guide (42), a pressure cylinder (44) installed on the hanger (43), and a pressure block (45) installed on the lifting rod of the pressure cylinder (44). The support frame (41) is provided with a lead screw mechanism (46) for driving the sliding of the hanger (43).

3. A three-face simultaneous machining numerical control machine tool according to claim 2, characterized in that: The support tooling (3) includes support plates (31) installed on the tooling table (2) in turn every 90 °, the top of the support plate (31) is provided with a V-shaped positioning notch (32), the support plate (31) is L-shaped structure, and the bottom bending plate of the support plate (31) is provided with a mounting hole (33).

4. The three-face simultaneous machining numerical control machine tool according to claim 1, characterized in that: The chip removal system includes a chip removal groove (6) opened on one side of the two long edges of the base (1), a spiral chip remover (7) rotatably installed in the chip removal groove (6), and a chip removal motor (8) connected to one end of the spiral chip remover (7) extending out of the chip removal groove (6).

5. A three-face simultaneous machining numerical control machine according to any one of claims 1-4, characterized in that: The base (1) is provided with a tool (13) support (9) located on one side of each of the three dynamic column horizontal machining centers (5), a vertical stand (10) slidably arranged on the tool (13) support (9), a cylinder for pulling the vertical stand (10) to slide, a plurality of tool holders (12) arranged in sequence along the longitudinal direction on the vertical stand (10), and a tool (13) clamped on the tool holder (12).

6. A three-face simultaneous machining numerical control machine tool according to claim 5, characterized in that: The numerical control machine tool is integrated with a pneumatic system, the pneumatic system includes a blowing pipe, and the end of the blowing pipe extends into the main shaft inner hole of the dynamic column horizontal machining center (5).

7. A three-face simultaneous machining numerical control machine tool according to claim 6, characterized in that: The base (1) is provided with a protective cover (14) shielding the three dynamic column horizontal machining centers (5).

8. A three-face simultaneous machining numerical control machine tool according to claim 7, characterized in that: The base (1) is provided with an electrical cabinet (15) located outside the protective cover (14).

9. A three-face simultaneous machining numerically controlled machine tool according to claim 8, characterized in that: The base (1) is provided with a plurality of leveling structures (16) arranged at intervals at the bottom, the leveling structure (16) includes a base (161) and a first wedge block (162) slidably arranged on the base (161), a second wedge block (163) is arranged on the inclined surface of the first wedge block (162), and the second wedge block (163) is arranged on the base (1). The base (161) is provided with an adjusting screw (164) threadedly connected with the first wedge block (162).

10. A three-face simultaneous machining numerically controlled machine tool according to claim 9, characterized in that: The leveling structure is provided with a ground-buried screw rod (17) fixed on the base, and the end of the ground-buried screw rod has a bending structure.

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