Turntable top oil inlet mechanism and machine tool with same

Abstract

The invention provides a rotary table top oil inlet mechanism and a machine tool with the rotary table top oil inlet mechanism, the rotary table top oil inlet mechanism is applied to the machine tool, the rotary table top oil inlet mechanism comprises a wire outlet box used for being installed on a machine tool body of the machine tool, and the wire outlet box is provided with a plurality of penetrating holes used for penetrating pipelines; one end of the first telescopic arm is movably connected with the outlet box; one end of the second telescopic arm is movably connected with the other end of the first telescopic arm; the oil way distributor is arranged at the other end of the second telescopic arm and used for being connected with a clamp on a rotary table of the machine tool. According to the rotary table top oil inlet mechanism, the problem that in the prior art, connection of oil supply and gas supply modes of a rotary table is complex is solved.

Description

Technical Field

[0001] The invention relates to the technical field of machine tools, and in particular to a turntable top oil inlet mechanism and a machine tool having the same. Background Art

[0002] In the field of automated production, the turntable is an important component of the rotary workstation, which must work in conjunction with the multi-axis linkage of the machine tool to complete the workstation process.

[0003] At present, the common oil and air supply method for CNC turntables is to connect each axis, connect to the workbench through a drag chain, and then connect to the turntable through an oil distributor. In addition, if it is a machine tool with multiple workbenches for exchange processing, a coupling joint is required to realize the clutch of the oil and air circuits. The connection of the above oil and air supply methods is relatively complicated, and requires high costs and low stability. Summary of the invention

[0004] The main purpose of the present invention is to provide a turntable top oil inlet mechanism and a machine tool having the same, so as to solve the problem of complicated connection of the turntable oil supply and air supply in the prior art.

[0005] In order to achieve the above-mentioned purpose, according to one aspect of the present invention, there is provided an oil supply mechanism on the top of a turntable, which is applied to a machine tool. The oil supply mechanism on the top of the turntable comprises: an outlet box, which is used to be installed on the machine tool body of the machine tool, and the outlet box is provided with a plurality of penetration holes for passing pipelines; a first telescopic arm, one end of the first telescopic arm is movably connected to the outlet box; a second telescopic arm, one end of the second telescopic arm is movably connected to the other end of the first telescopic arm; and an oil circuit distributor, which is arranged at the other end of the second telescopic arm and is used to connect with the clamp on the turntable of the machine tool.

[0006] Furthermore, the outlet box includes an outlet frame and an outlet cover plate, the outlet frame has a first end and a second end arranged opposite to each other, the first end has a first opening, the second end has a second opening, the first end is used to be connected to the machine tool body, and the outlet cover plate is connected to the second end and covers the second opening; wherein, a plurality of through holes are arranged at intervals on the outlet cover plate.

[0007] Furthermore, the terminal box includes a mounting portion, which is arranged at the first end, and the terminal box is connected to the machine tool body through the mounting portion.

[0008] Furthermore, the oil inlet mechanism at the top of the turntable also includes: a support portion, which is arranged on the outlet cover plate, and the first telescopic arm is rotatably connected to the support portion.

[0009] Furthermore, the oil inlet mechanism at the top of the turntable further comprises: a connecting portion, one end of which is rotationally connected to the first telescopic arm, and the other end of which is swingably connected to the second telescopic arm.

[0010] Furthermore, the oil inlet mechanism at the top of the turntable also includes a first cover plate and a second cover plate, and the first cover plate and the second cover plate are arranged on opposite sides of the second telescopic arm.

[0011] Furthermore, the oil inlet mechanism at the top of the turntable also includes: a fixing frame, which is arranged on the first telescopic arm, and the fixing frame is used to fix the pipeline.

[0012] Furthermore, the oil inlet mechanism at the top of the turntable includes a plurality of fixing frames, and the plurality of fixing frames are arranged at intervals along the extending direction of the first telescopic arm.

[0013] Furthermore, the second telescopic arm includes a first connecting section and a second connecting section, one end of the first connecting section is connected to the first telescopic arm, the other end of the first connecting section is connected to one end of the second connecting section, and the other end of the second connecting section is provided with an oil circuit distributor; wherein the first connecting section and the second connecting section are arranged at an angle.

[0014] According to another aspect of the present invention, a machine tool is provided, comprising a machine tool body, a turntable and a fixture, wherein the machine tool further comprises the above-mentioned turntable top oil supply mechanism.

[0015] By applying the technical solution of the present invention, the oil inlet mechanism on the top of the turntable is applied to the machine tool. The oil inlet mechanism on the top of the turntable includes an outlet box, a first telescopic arm, a second telescopic arm and an oil distributor. The outlet box is the fixed end of the oil inlet mechanism on the top of the turntable and is installed on the main body of the machine tool; the oil distributor is installed at the end of the oil inlet mechanism on the top of the turntable and is connected to the fixture on the turntable. The pipeline passes through multiple holes of the outlet box, passes through the first telescopic arm and the second telescopic arm to the turntable, and the first telescopic arm and the second telescopic arm can ensure that the worktable can move with it when it moves. In combination with the oil distributor, the pipeline can follow the turntable to make a rotational movement. While ensuring that the turntable can rotate at high speed and follow the worktable to feed quickly, it can also connect the hydraulic or pneumatic fixture to the power source, solving the problem of the complicated connection of the oil supply and air supply methods of the turntable in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0017] Figure 1 A schematic diagram showing an embodiment of a turntable top oil inlet mechanism according to the present invention is shown;

[0018] Figure 2 A front view of an embodiment of a turntable top oil inlet mechanism according to the present invention is shown;

[0019] Figure 3 A side view of an embodiment of a turntable top oil inlet mechanism according to the present invention is shown;

[0020] Figure 4 A top view of an embodiment of a turntable top oil inlet mechanism according to the present invention is shown;

[0021] Figure 5 It shows a front view of the installation pipeline of the turntable top oil inlet mechanism according to the present invention;

[0022] Figure 6 A side view of the installation pipeline of the turntable top oil inlet mechanism according to the present invention is shown;

[0023] Figure 7 A top view of the installation pipeline of the turntable top oil inlet mechanism according to the present invention is shown.

[0024] The above drawings include the following reference numerals:

[0025] 10. Outlet box; 11. Through hole; 12. Outlet frame; 13. Outlet cover plate; 14. Installation part;

[0026] 20. Pipeline;

[0027] 30. First telescopic arm;

[0028] 40. second telescopic arm; 41. first connecting section; 42. second connecting section;

[0029] 50. Oil distributor;

[0030] 60. Supporting part;

[0031] 70. Connecting part;

[0032] 80. first cover plate;

[0033] 90. Second cover plate;

[0034] 100. Fixed bracket. DETAILED DESCRIPTION

[0035] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0036] It should be noted that the following detailed descriptions are exemplary and are intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present application belongs.

[0037] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0038] The present invention provides a turntable top oil inlet mechanism, please refer to Figures 1 to 7 , applied to machine tools, the oil inlet mechanism on the top of the turntable includes: an outlet box 10, which is used to be installed on the machine tool body of the machine tool, and a plurality of penetration holes 11 for penetrating the pipeline 20 are provided on the outlet box 10; a first telescopic arm 30, one end of the first telescopic arm 30 is movably connected to the outlet box 10; a second telescopic arm 40, one end of the second telescopic arm 40 is movably connected to the other end of the first telescopic arm 30; an oil circuit distributor 50, which is arranged at the other end of the second telescopic arm 40 and is used to connect with the fixture on the turntable of the machine tool.

[0039] The turntable top oil inlet mechanism of the present invention is applied to machine tools. The turntable top oil inlet mechanism includes an outlet box 10, a first telescopic arm 30, a second telescopic arm 40 and an oil circuit distributor 50. The outlet box 10 is the fixed end of the turntable top oil inlet mechanism and is installed on the machine tool body; the oil circuit distributor 50 is installed at the end of the turntable top oil inlet mechanism and connected to the fixture on the turntable. The pipeline passes through the multiple holes 11 of the outlet box 10, passes through the first telescopic arm 30 and the second telescopic arm 40 to the turntable, and the first telescopic arm 30 and the second telescopic arm 40 can ensure that the worktable can move with it when it moves. In combination with the oil circuit distributor, the pipeline can follow the turntable to make a rotational movement. While ensuring that the turntable can rotate at high speed and follow the worktable to feed quickly, it can also enable the hydraulic or pneumatic fixture to connect to the power source, solving the problem of the complicated connection of the oil supply and air supply methods of the turntable in the prior art.

[0040] Specifically, the pipeline 20 may be an oil circuit and / or a gas circuit.

[0041] When implementing it, Figure 5 The working principle of the oil distributor 50 is that the pipeline is connected from the outlet pipe through the telescopic arm structure, that is, the first telescopic arm 30 and the second telescopic arm 40, the water pipe goes to the top, and the other thin pipes go to the bottom, swinging with the first telescopic arm 30 and the second telescopic arm 40. The other end of the oil distributor 50 is connected to the fixture, which moves and rotates with the workbench to realize water and oil supply.

[0042] In this embodiment, the outlet box 10 includes an outlet frame 12 and an outlet cover plate 13, the outlet frame 12 has a first end and a second end that are relatively arranged, the first end has a first opening, the second end has a second opening, the first end is used to be connected to the machine tool body, and the outlet cover plate 13 is connected to the second end and covers the second opening; wherein, a plurality of through holes 11 are arranged at intervals on the outlet cover plate 13.

[0043] Specifically, the outlet cover plate 13 is fastened to the outlet frame 12 by screws.

[0044] In this embodiment, the outlet box 10 includes a mounting portion 14, which is disposed at the first end, and the outlet box 10 is connected to the machine tool body via the mounting portion 14. Specifically, the mounting portion 14 is a flange disposed on the outlet frame 12, and the two are integrally formed.

[0045] In this embodiment, the turntable top oil inlet mechanism further includes: a support portion 60, which is arranged on the outlet cover plate 13, and the first telescopic arm 30 is rotatably connected to the support portion 60. Such an arrangement realizes the installation and rotation of the first telescopic arm 30.

[0046] Specifically, the first telescopic arm 30 is rotatably connected to the support portion 60 through a first plug pin. The turntable top oil inlet mechanism includes a first sleeve, the first sleeve is inserted on the first telescopic arm 30 and the support portion 60, and the first plug pin is inserted in the first sleeve. Such a setting facilitates the rotation of the first telescopic arm 30. Such a setting ensures that the first telescopic arm 30 rotates smoothly.

[0047] Optionally, the first bushing is a graphite self-lubricating bushing.

[0048] In this embodiment, the oil inlet mechanism at the top of the turntable further includes: a connecting portion 70, one end of which is rotatably connected to the first telescopic arm 30, and the other end of which is swingably connected to the second telescopic arm 40. Such a setting realizes the installation and movement of the second telescopic arm 40, and enables the second telescopic arm 40 to rotate relative to the first telescopic arm 30 and to swing up and down.

[0049] Specifically, one end of the connecting portion 70 is rotatably connected to the first telescopic arm 30 through a second plug pin. The turntable top oil inlet mechanism includes a second sleeve, which is inserted on the first telescopic arm 30 and the connecting portion 70, and the second plug pin is inserted in the second sleeve. Such a setting facilitates the rotation of the first telescopic arm 30. Such a setting ensures that the second telescopic arm 40 rotates smoothly.

[0050] Optionally, the connecting portion 70 is a bull's eye wheel, which can rotate in multiple directions, so that the telescopic arm has a high degree of flexibility.

[0051] Optionally, the second bushing is a graphite self-lubricating bushing.

[0052] In this embodiment, the turntable top oil inlet mechanism further includes a first cover plate 80 and a second cover plate 90 . The first cover plate 80 and the second cover plate 90 are disposed on opposite sides of the second telescopic arm 40 .

[0053] During specific implementation, the first cover plate 80 and the second cover plate 90 are respectively installed at the upper and lower ends of the second telescopic arm 40 to facilitate pipe routing and assembly and disassembly.

[0054] In this embodiment, the oil inlet mechanism at the top of the turntable further includes: a fixing frame 100, which is arranged on the first telescopic arm 30, and the fixing frame 100 is used to fix the pipeline 20. In specific implementation, the fixing frame 100 is used to fix the water pipe. Such a setting can arrange the pipeline 20 according to a predetermined trajectory.

[0055] Optionally, the oil inlet mechanism at the top of the turntable includes a plurality of fixing frames 100, and the plurality of fixing frames 100 are arranged at intervals along the extending direction of the first telescopic arm 30. Such an arrangement can ensure that the pipeline 20 is reliably fixed.

[0056] In this embodiment, the second telescopic arm 40 includes a first connecting section 41 and a second connecting section 42, one end of the first connecting section 41 is connected to the first telescopic arm 30, the other end of the first connecting section 41 is connected to one end of the second connecting section 42, and the other end of the second connecting section 42 is provided with an oil circuit distributor 50; wherein the first connecting section 41 and the second connecting section 42 are arranged obliquely. In specific implementation, the first connecting section 41 and the second connecting section 42 are arranged at an angle greater than 90 degrees and less than 180 degrees, that is, the second telescopic arm 40 is designed to be curved, which widens the pipeline bending radius and facilitates pipeline layout.

[0057] Specifically, the outlet box 10 is made of oil-resistant and high-temperature resistant materials. The selection of such materials ensures the stability and durability of the fixed structure under long-term operation, and is suitable for industrial production lines that require continuous operation.

[0058] Specifically, a shock absorbing device is provided at the connection between the oil circuit distributor 50 and the end of the second telescopic arm 40. The addition of the shock absorbing device effectively absorbs the vibration generated when the robot arm moves, improves the stability of the oil circuit distribution, and is suitable for precision processing that requires high-precision oil distribution, such as the manufacture of precision molds. In the manufacture of precision molds, the precision of the mold often determines the quality of the final product. By providing a shock absorbing device at the connection between the oil circuit distributor 50 and the second telescopic arm 40, the uneven oil distribution caused by the vibration of the robot arm movement can be effectively reduced, the stability and precision of the mold processing can be ensured, and the qualified rate of the product can be improved.

[0059] Specifically, a quick connection interface is provided between the oil circuit distributor 50 and the fixture. The design of the quick connection interface simplifies the steps of oil circuit connection, improves the replacement efficiency of the machining center, and is suitable for production lines that require frequent replacement of machining tools.

[0060] Specifically, the outlet box 10 is provided with a waterproof and dustproof sealing cover, which protects the electrical connection from the influence of the external environment and improves the stability and safety of the device.

[0061] Specifically, a cable management structure is provided inside the outlet box 10 for classifying and fixing the pipeline 20. The arrangement of the cable management structure not only facilitates the installation and maintenance of the pipeline 20, but also improves the reliability of the electrical connection, and is suitable for a processing center that needs to frequently adjust the cable layout.

[0062] The turntable top oil inlet mechanism of the present invention directly connects the fixture on the workbench to the power source through a telescopic mechanical arm (i.e., a structure composed of a first telescopic arm and a second telescopic arm). The first telescopic arm and the second telescopic arm are designed to be telescopic and foldable like arm joints. The two arms can ensure rotation and vertical translation, ensuring that the height of the telescopic arm can adapt to fixtures of different height ranges; it can also swing to adapt to the lifting and lowering movement of the exchange turntable. An oil circuit distributor can be installed at the end of the arm to connect the fixture rotating on the turntable. The first telescopic arm and the second telescopic arm give the end multiple degrees of freedom. The pipelines are arranged on the upper and lower pipes of the turntable top oil inlet mechanism to facilitate the top flushing and pipe routing of the machine tool fixture. The top oil inlet method gives the multi-axis machine tool high automation stability.

[0063] The present invention solves the following technical problems: the oil and external gas of the hydraulic station are directly connected to the processing surface of the turntable by using the top oil inlet method. The retractable mechanical arm ensures that the worktable can move with it when it moves, and the oil circuit distributor is used to make the oil circuit and the gas circuit rotate with the turntable. While ensuring that the turntable can rotate at high speed and follow the worktable to feed quickly, the hydraulic or pneumatic clamp can also be connected to the power source.

[0064] Beneficial effects of the present invention: 1. The turntable can be installed with an automatic fixture: the oil pressure and air pressure driving source are connected to the rotating work surface through the oil inlet mechanism on the top of the turntable to provide a power source for the fixture. 2. Easy installation: the external oil pressure and air pressure source are directly connected to the fixture, eliminating the cumbersome process of moving multiple rotating axes. 3. Reduce failures and reduce costs: directly connect the oil supply, the structure is simple, avoid the damage and aging of multiple parts, and reduce costs at the same time.

[0065] The present invention further provides a machine tool, comprising a machine tool body, a turntable and a fixture, wherein the machine tool further comprises the turntable top oil inlet mechanism of the above embodiment.

[0066] From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:

[0067] The turntable top oil inlet mechanism of the present invention is applied to machine tools. The turntable top oil inlet mechanism includes an outlet box 10, a first telescopic arm 30, a second telescopic arm 40 and an oil circuit distributor 50. The outlet box 10 is the fixed end of the turntable top oil inlet mechanism and is installed on the machine tool body; the oil circuit distributor 50 is installed at the end of the turntable top oil inlet mechanism and connected to the fixture on the turntable. The pipeline passes through the multiple holes 11 of the outlet box 10, passes through the first telescopic arm 30 and the second telescopic arm 40 to the turntable, and the first telescopic arm 30 and the second telescopic arm 40 can ensure that the worktable can move with it when it moves. In combination with the oil circuit distributor, the pipeline can follow the turntable to make a rotational movement. While ensuring that the turntable can rotate at high speed and follow the worktable to feed quickly, it can also enable the hydraulic or pneumatic fixture to connect to the power source, solving the problem of the complicated connection of the oil supply and air supply methods of the turntable in the prior art.

[0068] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0069] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0070] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A turntable top oil inlet mechanism, applied to machine tools, characterized in that: The turntable top oil inlet mechanism comprises: An outlet box (10) is used for being installed on a machine tool body of the machine tool, and the outlet box (10) is provided with a plurality of penetration holes (11) for penetrating pipelines (20); A first telescopic arm (30), one end of the first telescopic arm (30) being movably connected to the outlet box (10); a second telescopic arm (40), one end of the second telescopic arm (40) being movably connected to the other end of the first telescopic arm (30); An oil circuit distributor (50) is arranged at the other end of the second telescopic arm (40) and is used to connect with a fixture on the turntable of the machine tool.

2. The turntable top oil inlet mechanism according to claim 1, characterized in that: The outlet box (10) comprises an outlet frame (12) and an outlet cover plate (13); the outlet frame (12) has a first end and a second end which are arranged opposite to each other; the first end has a first opening; the second end has a second opening; the first end is used to be connected to the machine tool body; the outlet cover plate (13) is connected to the second end and covers the second opening; wherein a plurality of the through holes (11) are arranged at intervals on the outlet cover plate (13).

3. The oil inlet mechanism at the top of the turntable according to claim 2, characterized in that: The outlet box (10) comprises a mounting portion (14), the mounting portion (14) being arranged at the first end, and the outlet box (10) being connected to the machine tool body via the mounting portion (14).

4. The oil inlet mechanism at the top of the turntable according to claim 2, characterized in that: The turntable top oil inlet mechanism also includes: A support portion (60) is arranged on the outlet cover plate (13), and the first telescopic arm (30) is rotatably connected to the support portion (60).

5. The turntable top oil inlet mechanism according to claim 1, characterized in that: The turntable top oil inlet mechanism also includes: A connecting part (70), one end of the connecting part (70) is rotatably connected to the first telescopic arm (30), and the other end of the connecting part (70) is swingably connected to the second telescopic arm (40).

6. The oil inlet mechanism at the top of the turntable according to claim 1, characterized in that: The turntable top oil inlet mechanism further comprises a first cover plate (80) and a second cover plate (90), wherein the first cover plate (80) and the second cover plate (90) are arranged on opposite sides of the second telescopic arm (40).

7. The oil inlet mechanism at the top of the turntable according to claim 1, characterized in that: The turntable top oil inlet mechanism also includes: A fixing frame (100) is arranged on the first telescopic arm (30), and the fixing frame (100) is used to fix the pipeline (20).

8. The oil inlet mechanism at the top of the turntable according to claim 7, characterized in that: The turntable top oil inlet mechanism comprises a plurality of fixing frames (100), and the plurality of fixing frames (100) are arranged at intervals along the extension direction of the first telescopic arm (30).

9. The oil inlet mechanism at the top of the turntable according to claim 1, characterized in that: The second telescopic arm (40) comprises a first connecting section (41) and a second connecting section (42), one end of the first connecting section (41) is connected to the first telescopic arm (30), the other end of the first connecting section (41) is connected to one end of the second connecting section (42), and the other end of the second connecting section (42) is provided with the oil circuit distributor (50); wherein the first connecting section (41) and the second connecting section (42) are arranged to be inclined relative to each other.

10. A machine tool, comprising a machine tool body, a turntable and a fixture, characterized in that: The machine tool further comprises a turntable top oil inlet mechanism according to any one of claims 1 to 9.

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