Double column moving beam machining center

Abstract

This invention relates to the field of machine tool processing equipment technology, specifically a double-column moving beam machining center, including a gantry column, a mounting structure, a drive structure, a spindle box, a replacement structure, an installation structure, and a hoisting structure. The replacement structure allows for quick disassembly and replacement of wear-resistant blocks at different positions on the bottom of the worktable, improving the convenience of disassembly and installation, and increasing the efficiency of wear-resistant block replacement. The drive structure allows for adjustment of the spindle box position, facilitating the processing of parts of different sizes and locations. The combination of double gantry columns and beams provides stable support and rigidity during processing, improving the processing effect on parts. The hoisting structure simplifies and speeds up the worktable installation, reducing damage to the second slide rail. The installation structure quickly fixes the worktable to multiple slides, improving the installation efficiency of the slides and reducing the difficulty of worktable installation.

Description

Technical Field

[0001] The invention relates to the technical field of machine tool processing equipment, in particular to a double-column moving beam processing center. Background Art

[0002] CNC machine tool is the abbreviation of digital control machine tool, which is an automated machine tool equipped with a program control system. The control system can logically process programs specified by control codes or other symbolic instructions, decode them, express them in coded numbers, and input them into the CNC device through information carriers; after calculation and processing, the CNC device sends various control signals to control the movement of the machine tool and automatically process parts according to the shape and size required by the drawing.

[0003] However, when processing small batches of parts, traditional CNC machine tools have poor machine tool stability, poor processing stability and accuracy, and poor support stability for the spindle box, which affects the processing accuracy and efficiency of the parts; the worktable at the bottom of the spindle box slides on the base, and multiple sleeves and wear-resistant blocks are installed at the bottom of the worktable by bolts, and multiple slide rails are installed on the base. When the wear-resistant blocks at the center of the bottom of the worktable are severely worn, the operating space for replacing the wear-resistant blocks is small, and replacement and removal of the wear-resistant blocks are more troublesome; at the same time, when installing the worktable, it is necessary to align and insert multiple sleeves with the slide rails from one side of the base. The sleeves are small in size and difficult to align with the slide rails. The installation and disassembly of the worktable is more troublesome, and the sleeves on the worktable are easy to collide with the slide rails, affecting the normal use of the slide rails in the later stage. Summary of the invention

[0004] In view of the problems in the prior art, the present invention provides a double-column moving beam machining center.

[0005] The technical solution adopted by the present invention to solve the technical problem is: a double-column moving beam machining center, comprising two gantry columns, a carrying structure arranged between the two gantry columns, a driving structure arranged on the two gantry columns, a spindle box arranged on the driving structure, a replacement structure arranged on the carrying structure, a mounting structure arranged on the carrying structure, and a hoisting structure arranged on the carrying structure;

[0006] The carrying structure includes a support seat and a base fixedly connected to the support seat, a support seat is fixedly connected between the two gantry columns, a plurality of first slide rails are provided on the base, a plurality of groups of wear-resistant blocks are slidably connected to the first slide rails, each group of wear-resistant blocks is fixedly installed on the jacket through a replacement structure, a slide seat is fixedly connected to the jacket, and a plurality of slide seats are fixedly installed with a workbench through a mounting structure;

[0007] The replacement structure includes a splicing block and a splicing groove, each group of wear-resistant blocks is provided with two, one of the wear-resistant blocks in the same group is provided with a splicing groove, and the other wear-resistant block is provided with a splicing block, the splicing block is plugged into the splicing groove, the wear-resistant block is slidably connected with a sliding column, the end of the sliding column is fixedly connected with a driving block, the driving block is slidably connected to the wear-resistant block, the driving block is provided with an oblique groove, a spring is fixedly connected between the driving block and the wear-resistant block, the wear-resistant block is slidably connected with a clamping block, the jacket is provided with a clamping groove, the clamping block is clamped with the clamping groove, the clamping block is rotatably connected with a roller, the roller is rollingly connected to the oblique groove, and a disassembly rod is placed on the base.

[0008] Specifically, a first fixed seat and a first bearing seat are connected to the base, a first screw rod is rotatably connected between the first fixed seat and the first bearing seat, a first threaded seat is fixedly connected to the bottom end of the workbench, and the first threaded seat is threadedly connected to the first screw rod.

[0009] Specifically, a first motor is fixedly connected to the first fixing seat, and an output shaft of the first motor is fixedly connected to the first screw rod via a coupling.

[0010] Specifically, the driving structure includes a driving cylinder and a guide rail. The two gantry columns are fixedly connected with a driving cylinder and two guide rails. The telescopic ends of the two driving cylinders are fixedly connected with the same beam. The beam is slidably connected to the guide rail, and the spindle box is slidably connected to the beam.

[0011] Specifically, a plurality of second slide rails are fixedly connected to the crossbeam, a plurality of sliders are fixedly connected to the spindle box, the sliders are slidably connected to the second slide rails, a second fixed seat and a second bearing seat are fixedly connected to the crossbeam, a second screw rod is rotatably connected between the second fixed seat and the second bearing seat, a second threaded seat is fixedly connected to the spindle box, and the second screw rod is threadedly connected to the second threaded seat.

[0012] Specifically, a second motor is fixedly connected to the second fixing seat, and an output shaft of the second motor is fixedly connected to the second screw rod via a coupling.

[0013] Specifically, the mounting structure includes an insert block and a slot, each of the slide seats is fixedly connected with an insert block, the workbench is provided with a plurality of slots, the insert block is plugged into the slots, a plurality of slide bars are slidably connected to the workbench, a limit block is fixedly connected to the slide bar, the limit block is slidably connected to the workbench, a limit groove is provided on the insert block, the limit block is engaged with the limit groove, a third screw rod is rotatably connected to the workbench, and the third screw rod is threadedly connected to a plurality of slide bars.

[0014] Specifically, two guide rods are fixedly connected inside the workbench, and the guide rods arranged parallel to the third screw rod are slidably connected to the slide bar.

[0015] Specifically, the lifting structure includes a fixing bar and a positioning column. A fixing bar is fixedly connected to each side of the workbench. Two positioning columns are slidably connected to each of the fixing bars. A connecting bar is fixedly connected to the bottom ends of the two positioning columns on the same side. Four positioning rings are detachably connected to the workbench, and four lifting rings are detachably connected to the workbench.

[0016] Specifically, two hydraulic rods are fixedly connected to both sides of the support seat, the telescopic ends of the two hydraulic rods are fixedly connected to two connecting bars respectively, and a plurality of scale bars are fixedly connected to the base.

[0017] The beneficial effects of the present invention are:

[0018] (1) In the double-column moving beam machining center described in the present invention, a carrying structure is provided at the bottom end of the gantry column, and a replacement structure is provided on the carrying structure, so that the wear-resistant blocks at different positions at the bottom end of the workbench can be quickly disassembled and replaced through the replacement structure, thereby improving the convenience of disassembly and installation of the wear-resistant blocks and improving the replacement efficiency of the wear-resistant blocks.

[0019] (2) The double-column moving beam machining center described in the present invention has a driving structure on the gantry column. The position of the workbench is adjusted by the mounting structure, and the position of the spindle box is adjusted by the driving structure, so that parts of different positions and sizes can be processed easily. The combination of double gantry columns and crossbeams can provide stable support and rigidity during the processing, thereby improving the processing effect of parts.

[0020] (3) The double-column moving beam machining center described in the present invention has an installation structure on the carrying structure, and a hoisting structure on the carrying structure. The workbench is hoisted by the hoisting structure, which makes the installation of the workbench simpler and faster, while reducing the damage to the second slide rail. The workbench is quickly fixed to the multiple slide seats by the installation structure, which improves the installation efficiency of the slide seats and reduces the difficulty of installing the workbench. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0022] Figure 1 A schematic diagram of the overall structure of a preferred embodiment of a double-column moving beam machining center provided by the present invention;

[0023] Figure 2 for Figure 1 An enlarged schematic diagram of the structure of section A is shown;

[0024] Figure 3 for Figure 1 An enlarged schematic diagram of the structure of part B is shown;

[0025] Figure 4 It is a schematic diagram of the connection structure between the base and the first slide rail of the present invention;

[0026] Figure 5 It is a schematic diagram of the connection structure between the base and the hanging structure of the present invention;

[0027] Figure 6 for Figure 5 An enlarged schematic diagram of the C-section structure is shown;

[0028] Figure 7 It is a schematic diagram of the connection structure between the workbench and the third screw rod of the present invention;

[0029] Figure 8 for Figure 7 An enlarged schematic diagram of the D-section structure is shown;

[0030] Fig. 9 It is a schematic diagram of the connection structure between the wear-resistant block and the jacket of the present invention;

[0031] Fig.10 An exploded view of the replacement structure of the present invention;

[0032] Fig.11 It is a schematic diagram of the connection structure between the roller and the inclined groove of the present invention.

[0033] In the figure: 1, gantry column; 2, carrying structure; 201, support seat; 202, base; 203, first fixed seat; 204, first bearing seat; 205, first screw rod; 206, first motor; 207, first threaded seat; 208, first slide rail; 209, wear block; 210, jacket; 211, slide seat; 212, workbench; 3, driving structure; 301, driving cylinder; 302, guide rail; 303, crossbeam; 304, second slide rail; 305, slider; 306, second fixed seat; 307, second bearing seat; 308, second screw rod; 309, second motor; 310, second threaded seat Seat; 4. Spindle box; 5. Replacement structure; 501. Splicing block; 502. Splicing groove; 503. Sliding column; 504. Driving block; 505. Bevel groove; 506. Spring; 507. Block; 508. Slot; 509. Roller; 510. Disassembly rod; 6. Installation structure; 601. Insert block; 602. Slot; 603. Third screw rod; 604. Sliding bar; 605. Limit block; 606. Limit groove; 607. Guide rod; 7. Lifting structure; 701. Fixing bar; 702. Positioning column; 703. Connecting bar; 704. Hydraulic rod; 705. Positioning ring; 706. Scale bar; 707. Lifting ring. DETAILED DESCRIPTION

[0034] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0035] like Figure 1 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Fig. 9 , Fig.10 and Fig.11 As shown, the double-column moving beam machining center of the present invention comprises two gantry columns 1, a carrying structure 2 arranged between the two gantry columns 1, a driving structure 3 arranged on the two gantry columns 1, a spindle box 4 arranged on the driving structure 3, a replacement structure 5 arranged on the carrying structure 2, a mounting structure 6 arranged on the carrying structure 2, and a hoisting structure 7 arranged on the carrying structure 2;

[0036] The carrying structure 2 includes a support seat 201 and a base 202 fixedly connected to the support seat 201, the support seat 201 is fixedly connected between the two gantry columns 1, a plurality of first slide rails 208 are provided on the base 202, a plurality of groups of wear-resistant blocks 209 are slidably connected to the first slide rails 208, each group of the wear-resistant blocks 209 is fixedly installed on the jacket 210 through the replacement structure 5, a slide seat 211 is fixedly connected to the jacket 210, and a plurality of the slide seats 211 are fixedly installed with a workbench 212 through the mounting structure 6;

[0037] The replacement structure 5 includes a splicing block 501 and a splicing groove 502, each group of wear-resistant blocks 209 is provided with two, one of the wear-resistant blocks 209 in the same group is provided with a splicing groove 502, and the other wear-resistant block 209 is provided with a splicing block 501, the splicing block 501 is plugged into the splicing groove 502, the wear-resistant block 209 is slidably connected with a sliding column 503, the end of the sliding column 503 is fixedly connected with a driving block 504, the driving block 504 is slidably connected to the wear-resistant block 209, the driving block 504 is provided with an inclined groove 505, a spring 506 is fixedly connected between the driving block 504 and the wear-resistant block 209, a clamping block 507 is slidably connected to the wear-resistant block 209, the jacket 210 is provided with a clamping groove 508, the clamping block 507 is slidably connected to the wear-resistant block 209, The block 507 is engaged with the slot 508, and the block 507 is rotatably connected with a roller 509, and the roller 509 is rollingly connected with the inclined slot 505, and a disassembly rod 510 is placed on the base 202; the base 202 is connected with a first fixed seat 203 and a first bearing seat 204, and a first screw rod 205 is rotatably connected between the first fixed seat 203 and the first bearing seat 204, and the bottom end of the workbench 212 is fixedly connected with a first threaded seat 207, and the first threaded seat 207 is threadedly connected with the first screw rod 205; the first fixed seat 203 is fixedly connected with a first motor 206, and the output shaft of the first motor 206 is fixedly connected with the first screw rod 205 through a coupling; when it is necessary to replace the wear-resistant blocks at different positions When removing the wear-resistant block 209, the disassembly rod 510 on the base 202 can be picked up. The overall cross-section of the disassembly rod 510 is in a "Z"-shaped structure, and the end is a threaded telescopic rod. The length of the disassembly rod 510 is adjusted, and the two disassembly rods 510 are used to insert the end with the smaller rod diameter into the jack of the slide column 503 on the wear-resistant block 209 to be disassembled. Then, the two disassembly rods 510 are pushed by both hands. The disassembly rod 510 drives the slide column 503 to slide, and the slide column 503 drives the driving block 504 to slide. The spring 506 is compressed, and when the driving block 504 slides, it drives the roller 509 to roll inside the inclined groove 505. The roller 509 rolls and drives the block 507 to slide. The block 507 is no longer engaged with the slot 508 on the jacket 210, and then the disassembly rod 510 is pushed again. 0, the disassembly rod 510 drives the two wear-resistant blocks 209 of the same group to separate from the jacket 210, and then pull out the disassembly rod 510, and insert the end of the disassembly rod 510 over the position of the jacket 210 into the sliding column 503, and then push the two disassembly rods 510 to both sides, so that the two wear-resistant blocks 209 are separated, and the splicing block 501 on one wear-resistant block 209 is separated from the splicing groove 502 on the other wear-resistant block 209, so that the wear-resistant block 209 no longer wraps the first slide rail 208, and then press down the wrist to make the end of the inserted wear-resistant block 209 slightly rise, and then use the disassembly rod 510 to fork out the two wear-resistant blocks 209 that need to be replaced, so as to facilitate the replacement of wear-resistant blocks 209 in different positions, reduce the difficulty of disassembly, and improve the disassembly efficiency of the wear-resistant blocks 209.

[0038] Specifically, Figure 1 , Figure 2 and Figure 3 As shown, the driving structure 3 includes a driving cylinder 301 and a guide rail 302. The two gantry columns 1 are fixedly connected with the driving cylinder 301 and the two guide rails 302. The telescopic ends of the two driving cylinders 301 are fixedly connected with the same crossbeam 303. The crossbeam 303 is slidably connected with the guide rail 302. The crossbeam 303 is slidably connected with the spindle box 4. The crossbeam 303 is fixedly connected with a plurality of second slide rails 304. The spindle box 4 is fixedly connected with a plurality of sliders 305. The sliders 305 are slidably connected with the second slide rails 304. 3 is fixedly connected with a second fixed seat 306 and a second bearing seat 307, a second screw rod 308 is rotatably connected between the second fixed seat 306 and the second bearing seat 307, a second threaded seat 310 is fixedly connected with the spindle box 4, and the second screw rod 308 is threadedly connected with the second threaded seat 310; a second motor 309 is fixedly connected with the second fixed seat 306, and the output shaft of the second motor 309 is fixedly connected with the second screw rod 308 through a coupling; when it is necessary to process the parts, a suitable tool can be installed on the spindle of the spindle box 4, and then the required tool can be installed. The part to be processed is fixed on the workbench 212. When the processing position of the part needs to be adjusted, the first motor 206 can be started, and the first motor 206 drives the first screw rod 205 to rotate. The first screw rod 205 thread drives the first threaded seat 207 to move. The first threaded seat 207 drives the workbench 212 and multiple slides 211, the jacket 210, and the wear-resistant block 209 to slide on the first slide rail 208, thereby adjusting the position of the part. When the processing position needs to be controlled, the second motor 309 can be started, and the second motor 309 drives the second screw rod 308 to rotate. The second screw rod 308 The rotation drives the second threaded seat 310 to move, and the second threaded seat 310 drives the slider 305 to slide on the multiple second slide rails 304 on the beam 303, thereby adjusting the position of the spindle box 4 and improving the processing accuracy. The two gantry columns 1 are each provided with a driving cylinder 301, which drives the beam 303 to slide up and down on the guide rail 302 on the gantry column 1, thereby improving the support stability and rigidity during the processing and improving the processing effect. At the same time, the movement of the tool at different positions and the forward and backward movement of the workbench 212 facilitate the processing of different parts and improve the processing range of the equipment.

[0039] Specifically, Figure 1 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 and Fig.10As shown, the mounting structure 6 includes an insert block 601 and a slot 602, each of the slide seats 211 is fixedly connected with an insert block 601, the workbench 212 is provided with a plurality of slots 602, the insert block 601 is plugged with the slots 602, a plurality of slide bars 604 are slidably connected to the workbench 212, a limiting block 605 is fixedly connected to the slide bar 604, the limiting block 605 is slidably connected to the workbench 212, a limiting groove 606 is provided on the insert block 601, the limiting block 605 is engaged with the limiting groove 606, a third screw rod 603 is rotatably connected to the workbench 212, the third screw rod 603 is threadedly connected to the plurality of slide bars 604; two guide rods 607 are fixedly connected inside the workbench 212, the guide rod 607 arranged parallel to the third screw rod 603 is slidably connected to the slide bar 604;

[0040] The hoisting structure 7 includes a fixing bar 701 and a positioning column 702. A fixing bar 701 is fixedly connected to each side of the workbench 212. Two positioning columns 702 are slidably connected to each fixing bar 701. The bottom ends of the two positioning columns 702 on the same side are fixedly connected to a connecting bar 703. Four positioning rings 705 are detachably connected to the workbench 212. Four lifting rings 707 are detachably connected to the workbench 212. Two hydraulic rods 704 are fixedly connected to the two sides of the support seat 201. The telescopic ends of the pressure rod 704 are respectively fixedly connected to the two connecting bars 703, and a plurality of scale bars 706 are fixedly connected to the base 202; when the workbench 212 needs to be installed, the lifting rings 707 can be installed at the four corners of the workbench 212, and the workbench 212 can be lifted by the lifting equipment in conjunction with the lifting ropes and the lifting rings 707, and then the plurality of slides 211 are moved to the specified position according to the scale lines of the scale bars 706, and then the hydraulic rod 704 is started, and the hydraulic rod 704 drives the connecting bar 703 to rise, and the connecting bar 703 drives the two positioning columns 702 to the fixed The workbench 212 is placed on the workbench 212 by sliding on the fixed bar 701. When the workbench 212 is suspended, the four positioning rings 705 on the workbench 212 are aligned with the positioning column 702 and then slowly lowered, so that the suspension position of the workbench 212 is more accurate. The multiple slots 602 at the bottom of the workbench 212 are just plugged into the plug block 601 on the slide seat 211. Then, the third screw rod 603 is rotated by the hexagonal wrench. The rotation of the third screw rod 603 drives the multiple slide bars 604 to slide. The sliding of the slide bars 604 drives the multiple limit blocks 605 to engage with the limit grooves 606 on the plug block 601, so as to quickly After the workbench 212 is fixed, the setting of the guide rod 607 improves the sliding stability of the slide bar 604, making the limit block 605 and the limit groove 606 more firmly engaged, and then the first threaded seat 207 is fixed to the bottom end of the workbench 212 by bolts, thus completing the quick installation of the workbench 212, and then the hydraulic rod 704 is started, the hydraulic rod 704 contracts, driving the connecting bar 703 and the positioning column 702 to descend, so that they will not affect the normal sliding of the workbench 212, and then the lifting ring 707 and the positioning ring 705 on the workbench 212 are removed.

[0041] When the present invention is in use, first, when it is necessary to replace the wear-resistant block 209 in different positions, the disassembly rod 510 on the base 202 can be picked up. The overall cross-section of the disassembly rod 510 is a "Z"-shaped structure, and the end is a threaded telescopic rod. The length of the disassembly rod 510 is adjusted, and the two disassembly rods 510 are used to make the end with the smaller rod diameter inserted into the jack of the sliding column 503 on the wear-resistant block 209 that needs to be disassembled. Then, the two disassembly rods 510 are pushed by both hands. The disassembly rod 510 drives the sliding column 503 to slide, and the sliding column 503 drives the driving block 504 to slide. The spring 506 is compressed, and when the driving block 504 slides, it drives the roller 509 to roll inside the inclined groove 505. The roller 509 rolls and then drives the block 507 to slide, and the block 507 no longer engages with the slot 508 on the jacket 210. , and then continue to push the disassembly rod 510, the disassembly rod 510 drives the two wear-resistant blocks 209 of the same group to separate from the jacket 210, and then pull out the disassembly rod 510, and insert the end of the disassembly rod 510 beyond the position of the jacket 210 into the sliding column 503, and then move the two disassembly rods 510 to both sides, so that the two wear-resistant blocks 209 are separated, and the splicing block 501 on one wear-resistant block 209 is separated from the splicing groove 502 on the other wear-resistant block 209, so that the wear-resistant block 209 no longer wraps the first slide rail 208, and then press down the wrist to make the end of the inserted wear-resistant block 209 slightly rise, and then use the disassembly rod 510 to fork out the two wear-resistant blocks 209 that need to be replaced, so as to facilitate the replacement of wear-resistant blocks 209 at different positions, reduce the difficulty of disassembly, and improve the disassembly efficiency of the wear-resistant blocks 209;

[0042] Then, when it is necessary to process the part, a suitable tool can be installed on the spindle of the spindle box 4, and then the part to be processed can be fixed on the workbench 212. When it is necessary to adjust the processing position of the part, the first motor 206 can be started, and the first motor 206 drives the first screw rod 205 to rotate. The first screw rod 205 thread drives the first threaded seat 207 to move. The first threaded seat 207 drives the workbench 212 and multiple slides 211, the jacket 210, and the wear-resistant block 209 to slide on the first slide rail 208, thereby adjusting the position of the part. When it is necessary to control the processing position, the second motor 309 can be started, and the second motor 309 The second screw rod 308 is driven to rotate, and the second screw rod 308 rotates to drive the second threaded seat 310 to move. The second threaded seat 310 drives the slider 305 to slide on the multiple second slide rails 304 on the beam 303, thereby adjusting the position of the spindle box 4 and improving the processing accuracy. The two gantry columns 1 are both provided with a driving cylinder 301, which drives the beam 303 to slide up and down on the guide rail 302 on the gantry column 1, thereby improving the support stability and rigidity during the processing and improving the processing effect. At the same time, the movement of the tool at different positions and the forward and backward movement of the workbench 212 facilitate the processing of different parts and improve the processing range of the equipment;

[0043] Finally, when the workbench 212 needs to be installed, the lifting rings 707 can be installed at the four corners of the workbench 212, and the workbench 212 can be lifted by the lifting equipment in conjunction with the lifting ropes and the lifting rings 707. Then, according to the scale lines of the scale bar 706, the multiple slides 211 are moved to the specified positions, and then the hydraulic rod 704 is started. The hydraulic rod 704 drives the connecting bar 703 to rise, and the connecting bar 703 drives the two positioning columns 702 to slide on the fixing bar 701. When the workbench 212 is suspended, the four positioning rings 705 on the workbench 212 are aligned with the positioning columns 702 and then slowly lowered, so that the suspension position of the workbench 212 is more accurate, and the multiple slots 602 at the bottom of the workbench 212 are just plugged into the plug blocks 601 on the slide 211, and then the hexagonal wrench is used to rotate The third screw rod 603 is moved, and the rotation of the third screw rod 603 drives the multiple slide bars 604 to slide. The sliding of the slide bars 604 drives the multiple limit blocks 605 to engage with the limit grooves 606 on the insert block 601, thereby quickly fixing the workbench 212. The setting of the guide rod 607 improves the sliding stability of the slide bar 604, making the engagement of the limit blocks 605 and the limit grooves 606 more firmly. Then, the first threaded seat 207 is fixed to the bottom end of the workbench 212 by bolts, and the rapid installation of the workbench 212 is completed. Then, the hydraulic rod 704 is started, and the hydraulic rod 704 contracts, driving the connecting bar 703 and the positioning column 702 to descend, so that they will not affect the normal sliding of the workbench 212, and then the lifting ring 707 and the positioning ring 705 on the workbench 212 are removed.

[0044] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0045] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. Double column moving beam machining center, characterized in that: The invention comprises two gantry columns (1), a carrying structure (2) arranged between the two gantry columns (1), a driving structure (3) arranged on the two gantry columns (1), a main shaft box (4) arranged on the driving structure (3), a replacement structure (5) arranged on the carrying structure (2), a mounting structure (6) arranged on the carrying structure (2), and a hoisting structure (7) arranged on the carrying structure (2); The carrying structure (2) comprises a support seat (201) and a base (202) fixedly connected to the support seat (201); the support seat (201) is fixedly connected between the two gantry columns (1); a plurality of first slide rails (208) are provided on the base (202); a plurality of groups of wear-resistant blocks (209) are slidably connected to the first slide rails (208); each group of the wear-resistant blocks (209) is fixedly mounted on a jacket (210) via a replacement structure (5); a slide seat (211) is fixedly connected to the jacket (210); and a plurality of the slide seats (211) are fixedly mounted with a workbench (212) via a mounting structure (6); The replacement structure (5) comprises a splicing block (501) and a splicing groove (502), each group of wear-resistant blocks (209) is provided with two, one of the wear-resistant blocks (209) in the same group is provided with a splicing groove (502), and the other wear-resistant block (209) is provided with a splicing block (501), the splicing block (501) is plugged into the splicing groove (502), the wear-resistant block (209) is slidably connected with a sliding column (503), the end of the sliding column (503) is fixedly connected with a driving block (504), and the driving block (504) is connected to the wear-resistant block (209). Sliding connection, the driving block (504) is provided with an inclined groove (505), a spring (506) is fixedly connected between the driving block (504) and the wear-resistant block (209), a clamping block (507) is slidably connected to the wear-resistant block (209), a clamping groove (508) is provided on the jacket (210), the clamping block (507) is engaged with the clamping groove (508), a roller (509) is rotatably connected to the clamping block (507), the roller (509) is rollingly connected to the inclined groove (505), and a disassembly rod (510) is placed on the base (202); The mounting structure (6) comprises an insert block (601) and a slot (602), each of the slide seats (211) is fixedly connected to an insert block (601), a plurality of slots (602) are provided on the workbench (212), the insert block (601) is plugged into the slots (602), a plurality of slide bars (604) are slidably connected to the workbench (212), a limit block (605) is fixedly connected to the slide bar (604), and the limit block (605) is slidably connected to the workbench (212). The insert block (601) is provided with a limit groove (606), the limit block (605) is engaged with the limit groove (606), the workbench (212) is rotatably connected with a third screw rod (603), the third screw rod (603) is threadedly connected with a plurality of slide bars (604); the workbench (212) is internally fixedly connected with two guide rods (607), the guide rods (607) arranged parallel to the third screw rod (603) are slidably connected with the slide bars (604); The hoisting structure (7) comprises a fixing bar (701) and a positioning column (702); each of the two sides of the workbench (212) is fixedly connected to a fixing bar (701); two positioning columns (702) are slidably connected to each fixing bar (701); the bottom ends of the two positioning columns (702) on the same side are fixedly connected to a connecting bar (703); four positioning rings (705) are detachably connected to the workbench (212); and four lifting rings (707) are detachably connected to the workbench (212); two hydraulic rods (704) are fixedly connected to the two sides of the support seat (201); the telescopic ends of the two hydraulic rods (704) are fixedly connected to the two connecting bars (703) respectively; and a plurality of scale bars (706) are fixedly connected to the base (202).

2. The double-column moving beam machining center according to claim 1, characterized in that: A first fixed seat (203) and a first bearing seat (204) are connected to the base (202); a first screw rod (205) is rotatably connected between the first fixed seat (203) and the first bearing seat (204); a first threaded seat (207) is fixedly connected to the bottom end of the workbench (212); and the first threaded seat (207) is threadedly connected to the first screw rod (205).

3. The double-column moving beam machining center according to claim 2, characterized in that: A first motor (206) is fixedly connected to the first fixing seat (203), and an output shaft of the first motor (206) is fixedly connected to the first screw rod (205) via a coupling.

4. The double-column moving beam machining center according to claim 1, characterized in that: The driving structure (3) comprises a driving cylinder (301) and a guide rail (302); the two gantry columns (1) are fixedly connected with the driving cylinder (301) and the two guide rails (302); the telescopic ends of the two driving cylinders (301) are fixedly connected with the same crossbeam (303); the crossbeam (303) is slidably connected with the guide rail (302); and the crossbeam (303) is slidably connected with a spindle box (4).

5. The double-column moving beam machining center according to claim 4, characterized in that: A plurality of second slide rails (304) are fixedly connected to the crossbeam (303), a plurality of sliders (305) are fixedly connected to the spindle box (4), the sliders (305) are slidably connected to the second slide rails (304), a second fixed seat (306) and a second bearing seat (307) are fixedly connected to the crossbeam (303), a second screw rod (308) is rotatably connected between the second fixed seat (306) and the second bearing seat (307), a second threaded seat (310) is fixedly connected to the spindle box (4), and the second screw rod (308) is threadedly connected to the second threaded seat (310).

6. The double-column moving beam machining center according to claim 5, characterized in that: A second motor (309) is fixedly connected to the second fixing seat (306), and an output shaft of the second motor (309) is fixedly connected to the second screw rod (308) via a coupling.

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