Tool changing mechanism of multi-spindle machining center

Abstract

The utility model relates to the technical field of machining center mechanisms, in particular to a tool changing mechanism of a multi-spindle machining center, which comprises a machine table, lifting tables are symmetrically arranged on the machine table in a drivable lifting manner, and the bottom end of a lifting plate is fixedly mounted with the lifting tables; the tool rests are fixedly arranged on the lifting plate at equal intervals through trapezoidal plates, tool grooves are formed in the tool rests at equal intervals, and a containing assembly and an auxiliary assembly are arranged on the tool rests. A fixing ring is installed after a rubber ring piece is positioned and inserted into a tool groove, a spring resets to push an arc block to move, an inserting block is inserted into an inserting groove to fix the position of the fixing ring, then the installation stability of the rubber ring piece is guaranteed, and a tool bit of a machining tool penetrates through an inner ring of the rubber ring piece to be placed below the liquid level of lubricating oil and is prevented from being rusted. And meanwhile, when the machining tool is clamped, the rubber ring piece is attached to the machining tool bit to scrape lubricating oil attached to the machining tool bit, the storage effect of the machining tool is improved, the machining tool bit is prevented from being rusted, and the actual requirement is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to processing center technical field, concretely is a kind of tool changing mechanism of multi-spindle machining center. BACKGROUND

[0002] For the existing patent file with the announcement number CN208067861 U discloses a tool magazine, tool changing mechanism with tool magazine and multi-spindle machining center including tool changing mechanism.A kind of tool magazine, including tool magazine mounting frame, tool magazine support and several tool storage bin, the tool magazine mounting frame is structured as can be fixed to machine tool spindle beam, the tool magazine support is installed on the tool magazine mounting frame, the tool storage bin is fixed to the tool magazine support, each tool storage bin includes multiple tool storage cavities, characterized in that: the multiple tool storage cavities on each tool storage bin are arranged into tool storage cavity matrix, the tool storage cavities arranged in the direction parallel to the machine tool spindle beam constitute the row of tool storage cavity matrix, the row number of tool storage cavity matrix is greater than 1.The tool storage capacity of this tool magazine is large, the protection of tool is good, the maintainable period is long, the tool changing mechanism with the tool magazine is used, and the tool changing efficiency is high, and the machining efficiency of machining center is high.

[0003] But the above scheme and prior art, the machining tool of multi-spindle machining center is usually placed on tool rest, is placed on moving platform by tool changing claw and is grabbed, controls moving platform to move and moves machining tool to machining equipment to carry out tool changing work;Machining tool is placed on tool rest for a long time, the head of machining tool is contacted with moisture in air and rust is easy to produce, influence subsequent spindle machining work, need to be improved and optimized. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of tool changing mechanism of multi-spindle machining center to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of tool changing mechanism of multi-spindle machining center, comprising:

[0006] Machine table, the tool moving platform is driven to be arranged on the machine table, the tool changing claw device is installed and arranged on the machine table, the lifting platform is driven to be symmetrically arranged on the machine table, and the lifting plate bottom end is fixedly installed with the lifting platform;

[0007] Tool rest, the tool rest is equidistantly fixed on the lifting plate by trapezoidal plate, and tool groove is equidistantly formed in the tool rest, and the tool rest is provided with placing assembly and auxiliary assembly.

[0008] Preferably, the blocking frame in the placing assembly is fixedly arranged on the lifting plate, the blocking frame forms a box with the lifting plate and contains lubricating oil, the convex columns are symmetrically fixedly arranged on the bottom wall of the tool groove, the mounting blocks are symmetrically fixedly arranged on the bottom wall of the tool groove, and the split ring is provided with split openings at equal intervals on the inner ring.

[0009] Preferably, the rubber ring is inserted into the tool groove, the rubber ring is provided with positioning holes, the positioning holes are inserted into the convex columns, the mounting holes are formed in the rubber ring and are inserted into the mounting blocks, the fixing ring is inserted into the tool groove, the fixing ring is clamped with the rubber ring, the side wall of the fixing ring is symmetrically provided with square holes, and the square holes are inserted into the mounting blocks.

[0010] Preferably, the first arc groove is symmetrically formed in the fixing ring, the first arc groove is provided with a second arc groove at the wall end, the arc block is movably clamped in the first arc groove, and the arc block is provided with springs at the side end.

[0011] Preferably, the side wall of the arc block is fixedly provided with anti-skid bosses, the anti-skid bosses are movably clamped in the second arc groove, the anti-skid bosses are provided with convex patterns at the upper end, the insertion blocks are fixedly arranged on the side wall of the arc block, the insertion blocks penetrate through the square holes, and the insertion grooves are formed in the side wall of the mounting block.

[0012] Preferably, the insertion blocks and the insertion grooves are arranged in an arc shape, the insertion blocks and the insertion grooves are inserted into each other, the first magnetic blocks are fixedly and symmetrically embedded on the side wall of the fixing ring, the second magnetic blocks are symmetrically embedded on the bottom end of the rubber ring pad, the rubber ring pad is inserted into the tool groove, and the first magnetic blocks and the second magnetic blocks attract each other.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] After the rubber ring is positioned and inserted into the tool groove, the fixing ring is installed, the spring resets and pushes the arc block to move, the insertion blocks are inserted into the insertion grooves to fix the position of the fixing ring, the installation stability of the rubber ring is ensured, the machining tool bit is placed below the lubricating oil surface through the inner ring of the rubber ring to avoid rusting of the machining tool bit, the rubber ring is attached to the machining tool bit when the machining tool is clamped to scrape off the lubricating oil adhered to the machining tool bit, the storage effect of the machining tool is improved, rusting of the machining tool bit is avoided, and actual needs are met. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a structural side view of the utility model;

[0017] Figure 3 It is a structural schematic view of the lifting plate of the utility model;

[0018] Figure 4 It is a structural schematic view of the tool holder of the utility model;

[0019] Figure 5 It is the utility model knife rest structure half sectional view;

[0020] Figure 6 It is the utility model rubber ring piece structure schematic view;

[0021] Figure 7 It is the utility model fixed ring structure schematic view;

[0022] Figure 8 It is the utility model rubber ring pad structure schematic view.

[0023] In the drawing: machine table 1, tool moving platform 2, tool changing claw device 3, lifting platform 4, lifting plate 5, tool rest 6, trapezoidal plate 7, tool slot 8, convex column 9, mounting block 10, rubber ring piece 11, split 12, positioning hole 13, mounting hole 14, fixed ring 15, square hole 16, first arc groove 17, second arc groove 18, arc block 19, spring 20, anti-skid boss 21, plug block 22, plug groove 23, first magnetic block 24, rubber ring pad 25, second magnetic block 26, blocking frame 27. DETAILED DESCRIPTION

[0024] In order to make the utility model purposes, technical scheme carry out clearly, completely describe, and the advantage is more clear and clear, following combining the drawing to the utility model embodiment further detailed explanation.Should understand, the specific embodiment described here is a part of the embodiment of the utility model, instead of all the embodiment, only use to explain the embodiment of the utility model, and not for the limitation of the embodiment of the utility model, the all other embodiments of the ordinary skill in the art obtained under the premise of not doing creative labor, belong to the scope of the protection of the utility model.

[0025] Please refer to Figures 1-8 The utility model provides the following two preferred scheme embodiments:

[0026] Embodiment one: a tool changing mechanism of a multi-spindle machining center, comprising: a machine table 1, a tool moving table 2 is movably driven and arranged on the machine table 1, a tool changing claw device 3 is installed and arranged on the machine table 1, a lifting table 4 is movably driven and symmetrically arranged on the machine table 1, a lifting plate 5 is fixedly installed at the bottom end of the lifting table 4; a tool holder 6 is equidistantly fixedly arranged on the lifting plate 5 through a trapezoidal plate 7, a tool slot 8 is equidistantly arranged on the tool holder 6, a placing assembly and an auxiliary assembly are arranged on the tool holder 6; a blocking frame 27 in the placing assembly is fixedly arranged on the lifting plate 5, the blocking frame 27 and the lifting plate 5 form a box body and contain lubricating oil, a convex column 9 is symmetrically fixedly arranged on the bottom wall of the tool slot 8, a mounting block 10 is symmetrically fixedly arranged on the bottom wall of the tool slot 8, a split 12 is equidistantly arranged on the inner ring of a rubber ring piece 11; the rubber ring piece 11 is inserted into the tool slot 8, a positioning hole 13 is arranged on the rubber ring piece 11, the positioning hole 13 is inserted into the convex column 9, a mounting hole 14 is arranged on the rubber ring piece 11, the mounting hole 14 is inserted into the mounting block 10, a fixing ring 15 is inserted into the tool slot 8, the fixing ring 15 is clamped with the rubber ring piece 11, square holes 16 are symmetrically arranged on the side wall of the fixing ring 15, and the square holes 16 are inserted into the mounting block 10.

[0027] In use, the rubber ring piece 11 is inserted into the tool slot 8, the positioning hole 13 is inserted into the convex column 9, the mounting hole 14 is inserted into the mounting block 10, and the square hole 16 is inserted into the mounting block 10 to complete the positioning insertion of the fixing ring 15 into the tool slot 8, so that the fixing ring 15 is clamped with the rubber ring piece 11 to fix the position of the rubber ring piece 11, the blocking frame 27 and the lifting plate 5 form a box body and contain lubricating oil, when the machining tool of the multi-spindle machining center is placed in the tool slot 8, the tool head of the machining tool is placed below the liquid level of the lubricating oil through the inner ring of the rubber ring piece 11, the split 12 on the rubber ring piece 11 facilitates the deformation of the rubber ring piece 11 to make the inner ring side of the rubber ring piece 11 adhere to the position of the tool head of the machining tool, and the lubricating oil avoids rusting of the tool head of the machining tool; the tool changing claw device 3 clamps the machining tool from the tool holder 6 and places it on the tool moving table 2, in the process, the rubber ring piece 11 adheres to the tool head of the machining tool to scrape off the lubricating oil adhered to the tool head of the machining tool, avoids the tool head of the machining tool from adhering to the lubricating oil and dropping onto the machine table 1 in the clamping and placing process of the machining tool, improves the storage effect of the machining tool, avoids rusting of the tool head of the machining tool, and meets the actual demand.

[0028] In the embodiment two, the first arc groove 17 in the auxiliary assembly is symmetrically arranged in the fixing ring 15, the second arc groove 18 is arranged at the wall end of the first arc groove 17, the arc block 19 is movably connected in the first arc groove 17, the spring 20 is arranged at the side end of the arc block 19, the anti-skid boss 21 is fixedly arranged at the side wall of the arc block 19, the anti-skid boss 21 is movably connected in the second arc groove 18, the convex pattern is arranged at the upper end of the anti-skid boss 21, the plug block 22 is fixedly arranged on the side wall of the arc block 19, the plug block 22 penetrates the square hole 16, the plug groove 23 is arranged on the side wall of the mounting block 10, the plug block 22 and the plug groove 23 are arranged in an arc shape, the first magnetic block 24 is fixedly and symmetrically embedded on the side wall of the fixing ring 15, the second magnetic block 26 is fixedly and symmetrically embedded at the bottom end of the rubber ring pad 25, the rubber ring pad 25 is connected with the cutter groove 8, and the first magnetic block 24 and the second magnetic block 26 are attracted to each other.

[0029] In use, after the rubber ring piece 11 is installed, the anti-skid boss 21 is moved along the second arc groove 18, the arc block 19 is moved along the first arc groove 17 and the spring 20 is compressed, until the plug block 22 is retracted into the first arc groove 17, the fixing ring 15 is installed, the square hole 16 is connected with the mounting block 10, the anti-skid boss 21 is loosened, the spring 20 is reset to push the arc block 19 to move, the plug block 22 is connected into the plug groove 23, the position of the fixing ring 15 is fixed, the installation stability of the rubber ring piece 11 is ensured, then the rubber ring pad 25 is connected with the cutter groove 8, the first magnetic block 24 and the second magnetic block 26 are attracted to each other, the rubber ring pad 25 is attached to the fixing ring 15, the cutter is prevented from being damaged by knocking against the fixing ring 15, and the rubber ring piece 11 and the rubber ring pad 25 can be replaced after being worn out.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A tool changer for a multi-spindle machining center, characterized by: Include: Machine (1), the machine (1) is driven to move and is provided with a tool moving platform (2), a tool changing claw device (3) is installed and arranged on the machine (1), a lifting platform (4) is symmetrically driven and arranged on the machine (1), and a lifting plate (5) is fixedly installed at the bottom end of the lifting platform (4); The tool holder (6) is equidistantly fixed on the lifting plate (5) by a trapezoidal plate (7), and the tool holder (6) is equidistantly provided with a tool slot (8), and the tool holder (6) is provided with a placing assembly and an auxiliary assembly.

2. A tool changer for a multi-spindle machining center according to claim 1, characterized in that: The blocking frame (27) in the placing assembly is fixedly arranged on the lifting plate (5), the blocking frame (27) and the lifting plate (5) form a box body and contain lubricating oil, the convex column (9) is symmetrically fixedly arranged on the bottom wall of the tool slot (8), the mounting block (10) is symmetrically fixedly arranged on the bottom wall of the tool slot (8), and the rubber ring piece (11) is equidistantly provided with a split (12) on the inner ring.

3. A tool changer for a multi-spindle machining center according to claim 2, characterized in that: The rubber ring piece (11) is inserted into the tool slot (8), the positioning hole (13) is formed in the rubber ring piece (11), the positioning hole (13) is inserted into the convex column (9), the mounting hole (14) is formed in the rubber ring piece (11), the mounting hole (14) is inserted into the mounting block (10), the fixing ring (15) is inserted into the tool slot (8), the fixing ring (15) is clamped with the rubber ring piece (11), the square hole (16) is symmetrically formed in the side wall of the fixing ring (15), and the square hole (16) is inserted into the mounting block (10).

4. The tool changer of claim 1, wherein: The first arc groove (17) in the auxiliary assembly is symmetrically formed in the fixing ring (15), the second arc groove (18) is formed in the wall end of the first arc groove (17), the arc block (19) is movably clamped in the first arc groove (17), and the spring (20) is arranged at the side end of the arc block (19).

5. A tool changer for a multi-spindle machining center according to claim 4, characterized in that: The anti-skid boss (21) is fixedly arranged on the side wall of the arc block (19), the anti-skid boss (21) is movably clamped in the second arc groove (18), the anti-skid boss (21) is provided with a convex pattern on the upper end, the insertion block (22) is fixedly arranged on the side wall of the arc block (19), the insertion block (22) penetrates through the square hole (16), and the insertion groove (23) is formed in the side wall of the mounting block (10).

6. A tool changer for a multi-spindle machining center according to claim 5, characterized in that: The insertion block (22) and the insertion groove (23) are both arranged in an arc shape, the insertion block (22) and the insertion groove (23) are inserted, the first magnetic block (24) is fixedly and symmetrically embedded on the side wall of the fixing ring (15), the rubber ring pad (25) is fixedly and symmetrically embedded at the bottom end of the second magnetic block (26), the rubber ring pad (25) is inserted into the tool slot (8), and the first magnetic block (24) and the second magnetic block (26) are attracted to each other.

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