Same-rail conveying mechanism of six-spindle machine tool

Abstract

The utility model relates to the technical field of numerical control machine tools, in particular to a same-rail conveying mechanism of a six-spindle machine tool, which comprises a machine table, a portal frame, Y-axis double sliding rails, a tool magazine body, a working table, a first Y-axis driving assembly and a second Y-axis driving assembly. The output end of the first Y-axis driving assembly is fixedly connected with the tool magazine body and used for driving the tool magazine body to slide in the Y-axis direction, and the second Y-axis driving assembly is fixedly connected with the workbench and used for driving the workbench to slide in the Y-axis direction. During tool changing, the second Y-axis driving assembly drives the workbench to be far away from the position below the six spindles and the tool magazine body so that the working space below the six spindles can be reserved, and the first Y-axis driving assembly drives the tool magazine body to move forwards to the position below the six spindles in the Y-axis direction so that tool changing of the six spindles can be facilitated; the Y-axis double sliding rails are adopted for bearing the tool magazine body and the workbench in a sliding mode at the same time, the space of a machine table is more effectively utilized, and the space utilization rate is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control machine tool technical field, concretely relates to a same rail conveying mechanism of six spindle machine tool. BACKGROUND

[0002] Numerical control machine tool is the abbreviation of digital control machine tool, is a kind of automatic machine tool equipped with program control system.Machine tool main machine is the main body of numerical control machine tool.It includes bed, pedestal, column, beam, slide, workbench, machining spindle, feed mechanism, tool magazine and automatic tool changer and other mechanical components.It is the mechanical part that various cutting processes are automatically completed on numerical control machine tool.

[0003] Traditional numerical control machine tool, its tool magazine is mostly fixed on the side of workbench near the workbench, is driven to the Z-axis direction drive module and spindle above the tool magazine by the X-axis direction drive module of portal frame, Z-axis direction drive module drives spindle to descend and carries out tool changing, this scheme is especially suitable for single spindle or double spindle tool changing, but due to the wide distribution of six spindle of six spindle machine tool, traditional tool magazine is not suitable for six spindle tool changing. SUMMARY

[0004] In order to overcome the shortcomings and deficiencies existing in the prior art, the purpose of the utility model is to provide a same rail conveying mechanism of six spindle machine tool.

[0005] The utility model discloses a same rail conveying mechanism of six spindle machine tool, including machine table, the portal frame being connected to machine table, the Y-axis direction double slide rail being connected to machine table and penetrating the portal frame, the tool magazine body being slidably connected to the rear end of Y-axis direction double slide rail, the workbench being slidably connected to the front end of Y-axis direction double slide rail, the first Y-axis direction drive assembly being connected to machine table and being arranged between Y-axis direction double slide rail, and the second Y-axis direction drive assembly being connected to machine table and being arranged between Y-axis direction double slide rail, the output of first Y-axis direction drive assembly is fixedly connected with tool magazine body and is used to drive tool magazine body to slide along Y-axis direction, and the second Y-axis direction drive assembly is fixedly connected with workbench and is used to drive workbench to slide along Y-axis direction.

[0006] Preferably, the first Y-axis direction drive assembly includes the first screw rod motor being fixedly connected to the machine table and being arranged between Y-axis direction double slide rail, and the first screw rod nut being threadedly connected with the first screw rod motor, and the bottom of the tool magazine body is fixedly connected with the first screw rod nut.

[0007] Preferably, the second Y-axis direction drive assembly includes the second screw rod motor being fixedly connected to the machine table and being arranged between Y-axis direction double slide rail, and the second screw rod nut being threadedly connected with the second screw rod motor, and the bottom of the workbench is fixedly connected with the second screw rod nut.

[0008] Preferably, the tool magazine body comprises a tool base, six tool plates connected side by side on the top of the tool base, two groups of first sliding blocks fixedly connected to the bottom of the two ends of the tool base and slidably connected with the Y-axis double sliding rails, and a first connecting fixed seat fixedly connected to the bottom of the tool base and fixedly connected with the output end of the first Y-axis driving assembly, and the tool plates are used for carrying tools.

[0009] Preferably, the tool plate is provided with a plurality of load tool positioning holes which are distributed at intervals and used for carrying and positioning tools.

[0010] Preferably, the side of the tool plate close to the workbench is provided with a giving installation groove, and at least one pair of large tool clamping jaws for clamping large tools are installed in the giving installation groove.

[0011] Preferably, the inner side of each pair of large tool clamping jaws is provided with a clamping convex which is used for clamping cooperation with the large tool.

[0012] Preferably, the workbench comprises a base, a tool mounting table connected to the top of the base, two groups of second sliding blocks fixedly connected to the bottom of the two ends of the base and slidably connected with the Y-axis double sliding rails, and a second connecting fixed seat fixedly connected to the bottom of the base and fixedly connected with the output end of the second Y-axis driving assembly, and the tool mounting table is provided with a plurality of mounting holes and is used for fixedly mounting a workpiece carrier.

[0013] The beneficial effects of the six-spindle machine tool lie in that the same rail conveying mechanism of the six-spindle machine tool comprises a machine table, a portal frame connected to the machine table, Y-axis double sliding rails connected to the machine table and penetrating through the portal frame, a tool magazine body slidably connected to the rear end of the Y-axis double sliding rails, a workbench slidably connected to the front end of the Y-axis double sliding rails, a first Y-axis driving assembly connected to the machine table and arranged between the Y-axis double sliding rails, and a second Y-axis driving assembly connected to the machine table and arranged between the Y-axis double sliding rails, the output end of the first Y-axis driving assembly is fixedly connected with the tool magazine body and is used for driving the tool magazine body to slide along the Y-axis direction, and the second Y-axis driving assembly is fixedly connected with the workbench and is used for driving the workbench to slide along the Y-axis direction; when the tool is changed, the second Y-axis driving assembly drives the workbench to move away from the lower side of the six spindles and the tool magazine body, so as to leave a working space below the six spindles, and the first Y-axis driving assembly drives the tool magazine body to move forward along the Y-axis direction to the lower side of the six spindles, so as to change the tool of the six spindles, and the Y-axis double sliding rails are used for simultaneously slidingly bearing the tool magazine body and the workbench, the space of the machine table is more effectively utilized, and the space utilization rate is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a structural schematic view of the utility model;

[0015] Figure 2 is an exploded schematic view of the utility model;

[0016] Figure 3 is a local enlarged schematic view of the utility model;

[0017] Figure 4 is a structural schematic view of the six-spindle machine tool.

[0018] The figure mark is: 1, machine table; 2, portal frame; 3, Y axial double slide rail; 4, tool magazine body; 41, tool base; 42, tool disc; 43, first sliding block; 44, first connecting fixed seat; 5, workbench; 51, base; 52, carrier installation table; 53, second sliding block; 54, second connecting fixed seat; 6, first Y axial drive assembly; 61, first screw motor; 62, first screw nut; 7, second Y axial drive assembly; 71, second screw motor; 72, second screw nut; 8, tool carrying positioning hole; 9, let go installation groove; 10, large tool clamping jaw; 11, clamping convex; 12, annular clamping groove; 13, mounting hole; 14, machining spindle. DETAILED DESCRIPTION

[0019] In order to facilitate the understanding of those skilled in the art, the utility model is further explained below in combination with examples and drawings, and the content mentioned in the implementation manner is not a limitation of the utility model.

[0020] As Figures 1-4 Shown in the figure, a six-spindle machine tool's same rail conveying mechanism, including machine table 1, be connected to the portal frame 2 of machine table 1, be connected to machine table 1 and pass through the Y axial double slide rail 3 of portal frame 2, the tool magazine body 4 of sliding connection in the rear end of Y axial double slide rail 3, the workbench 5 of sliding connection in the front end of Y axial double slide rail 3, the first Y axial drive assembly 6 of connection in machine table 1 and set up between Y axial double slide rail 3, and the second Y axial drive assembly 7 of connection in machine table 1 and set up between Y axial double slide rail 3, the output end of first Y axial drive assembly 6 is fixedly connected with tool magazine body 4 and is used to drive tool magazine body 4 along Y axial direction sliding, the second Y axial drive assembly 7 is fixedly connected with workbench 5 and is used to drive workbench 5 along Y axial direction sliding.

[0021] The same rail conveying mechanism of the six-spindle machine tool adopts a machine table 1, a portal frame 2 connected to the machine table 1, a Y-axis double slide rail 3 connected to the machine table 1 and penetrating through the portal frame 2, a tool magazine body 4 slidingly connected to the rear end of the Y-axis double slide rail 3, a workbench 5 slidingly connected to the front end of the Y-axis double slide rail 3, a first Y-axis driving assembly 6 connected to the machine table 1 and arranged between the Y-axis double slide rails 3, and a second Y-axis driving assembly 7 connected to the machine table 1 and arranged between the Y-axis double slide rails 3, the output end of the first Y-axis driving assembly 6 is fixedly connected with the tool magazine body 4 and is used to drive the tool magazine body 4 to slide along the Y-axis direction, the second Y-axis driving assembly 7 is fixedly connected with the workbench 5 and is used to drive the workbench 5 to slide along the Y-axis direction; when changing tools, the second Y-axis driving assembly 7 drives the workbench 5 to move away from below the six spindles and the tool magazine body 4, so as to leave a working space below the six spindles, the first Y-axis driving assembly 6 drives the tool magazine body 4 to move forward along the Y-axis direction to below the six spindles, so that the six spindles change tools, and the Y-axis double slide rail 3 is used to simultaneously slide to bear the tool magazine body 4 and the workbench 5, the space of the machine table 1 is more effectively utilized, and the space utilization is improved.

[0022] Further, the first Y-axis driving assembly 6 includes a first lead screw motor 61 fixedly connected to the machine table 1 and arranged between the Y-axis double slide rails 3, and a first lead screw nut 62 threadedly connected with the first lead screw motor 61, and the bottom of the tool magazine body 4 is fixedly connected with the first lead screw nut 62.

[0023] Further, the second Y-axis driving assembly 7 includes a second lead screw motor 71 fixedly connected to the machine table 1 and arranged between the Y-axis double slide rails 3, and a second lead screw nut 72 threadedly connected with the second lead screw motor 71, and the bottom of the workbench 5 is fixedly connected with the second lead screw nut 72.

[0024] Further, the tool magazine body 4 includes a tool base 41, six tool plates 42 connected in parallel to the top of the tool base 41, two groups of first sliding blocks 43 fixedly connected to the bottoms of the two ends of the tool base 41 and slidingly connected with the Y-axis double slide rails 3, and a first connecting fixed seat 44 fixedly connected to the bottom of the tool base 41 and fixedly connected with the output end of the first Y-axis driving assembly 6, and the tool plates 42 are used to bear tools. The six tool plates 42 can correspond to the six machining spindles 14 of the six-spindle machine tool to provide tools, which is beneficial to simultaneous tool changing of the six machining spindles 14 and improves the efficiency.

[0025] Further, the tool plate 42 is provided with a plurality of load tool positioning holes 8 distributed at intervals and used to bear and position tools.

[0026] Further, the cutter head 42 is provided with a mounting slot 9 on one side close to the workbench 5, and at least one pair of large cutter clamping jaws 10 for clamping large cutters is mounted in the mounting slot 9. The large cutter bearing position is provided to meet the cutter head 42 bearing of multiple specifications.

[0027] Further, the inner side of each pair of large cutter clamping jaws 10 is provided with a clamping protrusion 11 for clamping the large cutter. In actual use, the large cutter is provided with an annular clamping groove 12 matched with the clamping protrusion 11. When the machining spindle 14 of the six-spindle machine tool is unloaded, the machining spindle 14 is lowered to be flush with the clamping protrusion 11 and the annular clamping groove 12. The cutter library body 4 is moved from the rear end to the front end of the Y-axis double slide rail 3, so that the large cutter clamping jaws 10 are translated to clamp the cutter and the clamping protrusion 11 is matched with the annular clamping groove 12. Then the machining spindle 14 is loosened and moved upward, and the operation of unloading the large cutter is completed.

[0028] Further, the workbench 5 comprises a base 51, a carrier mounting table 52 connected to the top of the base 51, two groups of second sliding blocks 53 respectively fixedly connected to the bottom of the two ends of the base 51 and slidably connected with the Y-axis double slide rail 3, and a second connecting fixed seat 54 fixedly connected to the bottom of the base 51 and fixedly connected with the output end of the second Y-axis driving assembly 7. The carrier mounting table 52 is provided with a plurality of mounting holes 13, and the carrier mounting table 52 is used for fixedly mounting a workpiece carrier.

[0029] Further, the cutter base 41, the cutter head 42, the base 51 and the carrier mounting table 52 are all cast iron pieces, specifically cast iron HT300 pieces, which are more rigid, have better shock absorption effect and smaller material deformation than traditional aluminum pieces.

[0030] The above embodiment is a preferred implementation scheme of the utility model, in addition to this, the utility model can be realized in other ways, and any obvious replacement without departing from the utility model concept is within the protection scope of the utility model.

Claims

1. A same-axis transport mechanism of a six-spindle machine tool, characterized by: The machine table, the gantry connected to the machine table, the Y-axis double slide rail connected to the machine table and penetrating the gantry, the tool magazine body slidingly connected to the rear end of the Y-axis double slide rail, the workbench slidingly connected to the front end of the Y-axis double slide rail, the first Y-axis driving assembly connected to the machine table and arranged between the Y-axis double slide rails, and the second Y-axis driving assembly connected to the machine table and arranged between the Y-axis double slide rails, the output end of the first Y-axis driving assembly is fixedly connected with the tool magazine body and is used for driving the tool magazine body to slide in the Y-axis direction, and the second Y-axis driving assembly is fixedly connected with the workbench and is used for driving the workbench to slide in the Y-axis direction.

2. A homokinetic transport mechanism for a six-spindle machine tool according to claim 1, characterized in that: The first Y-axis driving assembly comprises a first screw rod motor fixedly connected to the machine table and arranged between the Y-axis double slide rails, and a first screw rod nut in threaded transmission connection with the first screw rod motor, and the bottom of the tool magazine body is fixedly connected with the first screw rod nut.

3. A homokinetic transport mechanism for a six-spindle machine tool according to claim 1, characterized in that: The second Y-axis driving assembly comprises a second screw rod motor fixedly connected to the machine table and arranged between the Y-axis double slide rails, and a second screw rod nut in threaded transmission connection with the second screw rod motor, and the bottom of the workbench is fixedly connected with the second screw rod nut.

4. A homokinetic transport mechanism for a six-spindle machine tool according to claim 1, characterized in that: The tool magazine body comprises a tool base, six tool discs connected side by side on the top of the tool base, two groups of first sliding blocks fixedly connected to the bottoms of the two ends of the tool base and slidingly connected with the Y-axis double slide rail, and a first connecting fixed seat fixedly connected to the bottom of the tool base and fixedly connected with the output end of the first Y-axis driving assembly, and the tool disc is used for carrying the tool.

5. A homokinetic transport mechanism for a six-spindle machine tool according to claim 4, characterized in that: The tool disc is provided with a plurality of load tool positioning holes distributed at intervals and used for carrying and positioning the tool.

6. A homal rail transport mechanism for a six-spindle machine tool according to claim 4, wherein: The side of the tool disc close to the workbench is provided with a let-in installation groove, and at least one pair of large tool clamping jaws for clamping the large tool is installed in the let-in installation groove.

7. A homal rail transport mechanism for a six-spindle machine tool according to claim 6, characterised in that: The inner side surface of each pair of large tool clamping jaws is protruded with a clamping convex for clamping the large tool.

8. A homokinetic transport mechanism for a six-spindle machine tool according to claim 1, characterized in that: The workbench comprises a workbench base, a tool mounting table connected to the top of the workbench base, two groups of second sliding blocks fixedly connected to the bottoms of the two ends of the workbench base and slidingly connected with the Y-axis double slide rail, and a second connecting fixed seat fixedly connected to the bottom of the workbench base and fixedly connected with the output end of the second Y-axis driving assembly, and the tool mounting table is provided with a plurality of mounting holes, and the tool mounting table is used for fixedly mounting the workpiece tool.

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