Gantry vertical machining center

Abstract

The utility model discloses a gantry vertical machining center, and belongs to the technical field of engraving and milling machine machining centers. The gantry vertical machining center comprises a lathe bed, the top of the lathe bed is fixedly connected with a gantry frame, the front end of the gantry frame is slidably connected with a sliding saddle, the top of the lathe bed is slidably connected with a workbench by arranging a sliding rail, the front end of the sliding saddle is slidably connected with a spindle box, and the side face of the sliding rail is fixedly connected with a toothed bar. The bottom of the workbench is rotationally connected with a rotating rod, the bottom of the rotating rod is fixedly connected with a stress gear, the outer side of the rotating rod is fixedly connected with a first bevel gear, the rear end of the workbench is fixedly connected with a fixing rod, the bottom of the fixing rod is rotationally connected with a transmission rod, and the front end of the transmission rod is fixedly connected with a second bevel gear. The rear end of the transmission rod is fixedly connected with a sleeve. The utility model is used for solving the problems that the overall strength of the machine tool is poorer, and the machine tool is more inconvenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of precision engraving machine processing centers, in particular to a gantry vertical processing center. Background Art

[0002] A machining center is a highly automated multifunctional CNC machine tool with a tool magazine and automatic tool changer. After the workpiece is clamped once on the machining center, the digital control system can control the machine tool to automatically select and change tools according to different processes, automatically change the machine tool spindle speed, feed rate, and the tool's relative motion trajectory to the workpiece and other auxiliary functions, and complete multiple processes on several surfaces of the workpiece in sequence.

[0003] However, in the prior art, the structure of the gantry vertical machining center is relatively complex, and the machine body may be deformed or vibrated due to the existence of cutting force when the machine tool is in use, which will not only affect the overall rigidity but also the overall stability. Utility Model Content

[0004] The utility model aims to solve the problem that the machine tool in the prior art will deform or vibrate due to the cutting force when in use, which will not only affect the overall rigidity but also the overall stability. To this end, the utility model proposes a gantry vertical machining center, which can improve the overall strength of the device.

[0005] A gantry vertical machining center comprises a bed, the top of the bed is fixedly connected to a gantry frame, the front end of the gantry frame is slidably connected to a saddle, the top of the bed is slidably connected to a workbench by setting a slide rail, the front end of the saddle is slidably connected to a spindle box, the side of the slide rail is fixedly connected to a gear rod, the bottom of the workbench is rotatably connected to a rotating rod, the bottom of the rotating rod is fixedly connected to a force gear, the outer side of the rotating rod is fixedly connected to a bevel gear 1, the rear end of the workbench is fixedly connected to a fixed rod, the bottom of the fixed rod is rotatably connected to a transmission rod, the front end of the transmission rod is fixedly connected to a bevel gear 2, the rear end of the transmission rod is fixedly connected to a sleeve, and a cleaning brush is installed on the outer side of the sleeve.

[0006] Furthermore, two gear rods are provided, and the two gear rods are symmetrically distributed about the central axis of the slide rail.

[0007] Furthermore, the force-bearing gear is located on the side of the gear rod, and the force-bearing gear and the gear rod are in a meshing state.

[0008] Furthermore, the bevel gear 2 is located at the rear end of the bevel gear 1, and the bevel gear 2 is in meshing state with the bevel gear 1.

[0009] Furthermore, the fixing rod is in an "L" shape.

[0010] Furthermore, the cleaning brushes are provided in two groups, and the cleaning brushes in each group are distributed in a circular array about the sleeve.

[0011] The difference from the prior art is that the beneficial effects of this application are:

[0012] (1) The gantry vertical machining center has a gantry structure that can easily achieve the high precision and high dynamic performance requirements of the machine tool while keeping the size and weight of the processed parts small. The overall structure of the machine is simple, easy to assemble, and has a low manufacturing cost. Large parts are made of high-strength cast iron materials, molded using resin sand technology, and are subjected to two aging treatments to eliminate stress, thereby improving the rigidity and stability of the large parts and the entire machine, and effectively suppressing the deformation and vibration of the machine tool caused by the cutting force.

[0013] (2) In the gantry vertical machining center, when the worktable slides on the slide rail, the cleaning brush can be driven to rotate by the rotating rod, the force gear, the gear rod, the rotating rod, the bevel gear one, the bevel gear two and the sleeve, so that the cleaning brush cleans the slide rail at the bottom of the worktable, eliminating the need for frequent manual cleaning, thereby improving the use efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings in the specification, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0015] Figure 1 It is a schematic diagram of the overall appearance of the three-dimensional structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the three-dimensional structure of the appearance of the parts slide rail of the utility model;

[0017] Figure 3 It is a schematic diagram of the three-dimensional structure of the slide rail of the utility model;

[0018] Figure 4 For this utility model Figure 3 Enlarged schematic diagram of the three-dimensional structure at point A in the middle.

[0019] In the figure:

[0020] 1. Bed; 2. Gantry frame; 3. Saddle; 4. Workbench; 5. Spindle box; 6. Slide rail; 7. Gear rod; 8. Rotating rod; 9. Bevel gear 1; 10. Force gear; 11. Fixed rod; 12. Transmission rod; 13. Bevel gear 2; 14. Sleeve; 15. Cleaning brush. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only embodiments of a part of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work should fall within the scope of protection of the present application.

[0022] 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 sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application are described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, the process, method, system, product or equipment comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or equipment.

[0023] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0024] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0025] In addition, the terms "installed", "set", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0026] 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 application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0027] Embodiment 1

[0028] See also Figure 1-Figure 4 As shown in the figure, a gantry vertical machining center includes a bed 1, wherein the top of the bed 1 is fixedly connected with a gantry frame 2, the front end of the gantry frame 2 is slidably connected with a saddle 3, the top of the bed 1 is slidably connected with a workbench 4 by setting a slide rail 6, and the front end of the saddle 3 is slidably connected with a spindle box 5. A gantry structure is adopted, and the movement form is that the workbench 4 moves along the Y direction, and the gantry is fixed. Under the premise of small size and weight of the processed parts, the gantry structure is easy to achieve the requirements of high precision and high dynamic performance of the machine tool. The whole machine structure is simple, easy to assemble, and low manufacturing cost. The machine tool can achieve the process requirements of milling, drilling, grinding, milling, etc., and is the preferred product for ordinary parts processing. The large parts such as the bed 1, the workbench 4, the saddle 3, the gantry frame 2, and the spindle box 5 are all made of high-strength cast iron materials, and the shape is resin sand process, and the stress is eliminated by two aging treatments. These large parts are all optimized by Workbench to improve the rigidity and stability of the large parts and the whole machine, and effectively suppress the deformation and vibration of the machine tool caused by the cutting force. The size of workbench 4 is 500*400mm; the spindle speed is 12000 rpm; the processing part range is 1000*500mm.

[0029] A gear rod 7 is fixedly connected to the side of the slide rail 6. Two gear rods 7 are provided. The two gear rods 7 are symmetrically distributed about the central axis of the slide rail 6. A rotating rod 8 is rotatably connected to the bottom of the workbench 4. A force gear 10 is fixedly connected to the bottom of the rotating rod 8. The force gear 10 is located on the side of the gear rod 7. The force gear 10 is meshed with the gear rod 7. When the workbench 4 slides on the slide rail 6, the rotating rod 8 rotatably connected to the workbench 4 and the force gear 10 fixedly connected to the rotating rod 8 can be driven to move. In conjunction with the gear rod 7 fixedly connected to the slide rail 6 and meshing with the force gear 10, the force gear 10 rotates during the translation process, thereby driving the rotating rod 8 fixedly connected to the force gear 10 to rotate. The outer side of the rotating rod 8 is fixedly connected with a bevel gear 9, the rear end of the workbench 4 is fixedly connected with a fixed rod 11, the fixed rod 11 is "L" shaped, the bottom of the fixed rod 11 is rotatably connected with a transmission rod 12, the front end of the transmission rod 12 is fixedly connected with a bevel gear 2 13, the bevel gear 2 13 is located at the rear end of the bevel gear 9, the bevel gear 2 13 is in meshing state with the bevel gear 19, the rear end of the transmission rod 12 is fixedly connected with a sleeve 14, the outer side of the sleeve 14 is installed with a cleaning brush 15, and the cleaning brush 15 is provided with two groups, each group of cleaning brushes 15 The sleeves 14 are distributed in a circular array. When the rotating rod 8 is in a rotating state, it can drive the bevel gear 1 9 fixedly connected thereto to rotate, so that the bevel gear 1 9 drives the bevel gear 2 13 meshing therewith to rotate, and the bevel gear 2 13 drives the transmission rod 12 fixedly connected thereto to rotate, so that the transmission rod 12 drives the sleeve 14 fixedly connected thereto to rotate, and the sleeve 14 then drives the cleaning brush 15 installed thereon to rotate, so that the cleaning brush 15 cleans the slide rail 6 at the bottom of the workbench 4, and there is no need to clean it manually frequently, thereby improving the use efficiency.

[0030] During use, when the workbench 4 slides on the slide rail 6, it can drive the rotating rod 8 rotatably connected to the workbench 4 and the stressed gear 10 fixedly connected to the rotating rod 8 to move, and cooperate with the toothed rod 7 fixedly connected to the slide rail 6 and meshing with the stressed gear 10, so that the stressed gear 10 rotates during the translation process, thereby driving the rotating rod 8 fixedly connected to the stressed gear 10 to rotate, and the rotating rod 8 drives the bevel gear 1 9 fixedly connected to it to rotate, so that the bevel gear 1 9 drives the bevel gear 2 13 meshing with it to rotate, and the bevel gear 2 13 drives the transmission rod 12 fixedly connected to it to rotate, so that the transmission rod 12 drives the sleeve 14 fixedly connected to it to rotate, and the sleeve 14 then drives the cleaning brush 15 installed thereon to rotate, so that the cleaning brush 15 cleans the slide rail 6 at the bottom of the workbench 4.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A gantry vertical machining center, comprising a bed (1), characterized in that: The top of the bed (1) is fixedly connected to a gantry frame (2), the front end of the gantry frame (2) is slidably connected to a saddle (3), the top of the bed (1) is slidably connected to a workbench (4) by arranging a slide rail (6), the front end of the saddle (3) is slidably connected to a spindle box (5), the side of the slide rail (6) is fixedly connected to a gear rod (7), the bottom of the workbench (4) is rotatably connected to a rotating rod (8), the bottom of the rotating rod (8) is fixedly connected to a force-bearing gear (10), the outer side of the rotating rod (8) is fixedly connected to a bevel gear one (9), the rear end of the workbench (4) is fixedly connected to a fixed rod (11), the bottom of the fixed rod (11) is rotatably connected to a transmission rod (12), the front end of the transmission rod (12) is fixedly connected to a bevel gear two (13), the rear end of the transmission rod (12) is fixedly connected to a sleeve (14), and a cleaning brush (15) is installed on the outer side of the sleeve (14).

2. The gantry vertical machining center according to claim 1, characterized in that: Two gear rods (7) are provided, and the positions of the two gear rods (7) are symmetrically distributed about the central axis of the slide rail (6).

3. The gantry vertical machining center according to claim 1, characterized in that: The force-bearing gear (10) is located on the side of the gear rod (7), and the force-bearing gear (10) and the gear rod (7) are in a meshing state.

4. The gantry vertical machining center according to claim 1, characterized in that: The bevel gear 2 (13) is located at the rear end of the bevel gear 1 (9), and the bevel gear 2 (13) is in meshing state with the bevel gear 1 (9).

5. The gantry vertical machining center according to claim 1, characterized in that: The fixing rod (11) is in an "L" shape.

6. The gantry vertical machining center according to claim 1, characterized in that: The cleaning brushes (15) are provided in two groups, and the cleaning brushes (15) in each group are distributed in a circular arrangement about the sleeve (14).

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