阅读说明：本技术 一种上下龙门一体式六面钻铣加工中心 (Six brill of upper and lower gantry integral type mill machining center ) 是由 刘振 于 2021-07-02 设计创作，主要内容包括：本发明公开了一种上下龙门一体式六面钻铣加工中心,包括机架及设置在机架上的一体式龙门、夹手横梁、加工组件及运料平台；其中一体式龙门为一体成型的矩形框架结构,其包括相互平行设置的上龙门横梁及下龙门横梁,下龙门横梁与机架固定连接,其设置有一体式的龙门并配置与其适配的其他加工装置,与现有技术相比的优点在于：结构稳定性强、上下主轴同心精度好、便于清洁。(The invention discloses an upper and lower gantry integrated six-side drilling and milling machining center, which comprises a rack, and an integrated gantry, a clamping hand beam, a machining assembly and a material conveying platform which are arranged on the rack; wherein integral type longmen is integrated into one piece's rectangular frame structure, its last longmen crossbeam and lower longmen crossbeam that includes mutual parallel arrangement, lower longmen crossbeam and frame fixed connection, its longmen that is provided with the integral type and configuration rather than other processingequipment of adaptation, the advantage compared with prior art lies in: the structure stability is strong, the upper and lower main shafts are concentric, the precision is good, and the cleaning is convenient.)

1. The utility model provides a six brill of upper and lower gantry integral type mill machining center which characterized in that: comprises a frame (1), an integrated gantry (2) arranged on the frame (1), a clamping hand beam (3), a processing assembly (4) and a material conveying platform (5);

the integrated gantry (2) is an integrally formed rectangular frame structure and comprises an upper gantry beam (21) and a lower gantry beam (22) which are arranged in parallel, wherein the lower gantry beam (22) is fixedly connected with the rack (1);

the clamping beam (3) vertically penetrates through the integrated gantry (2), a plurality of clamping devices (31) capable of longitudinally moving along the clamping beam (3) are arranged on the clamping beam (3), and the clamping devices (31) are used for horizontally clamping plates;

the machining assembly (4) comprises an upper machine head device (41) capable of transversely moving along the upper gantry beam (21) and a lower machine head device (42) capable of transversely moving along the lower gantry beam (22), wherein machining tools are arranged on the upper machine head device (41) and the lower machine head device (42);

fortune material platform (5) are including following feeding platform (51), locating platform (52) and back unloading platform (53) before vertical setting gradually in tong crossbeam (3), wherein, preceding feeding platform (51) and back unloading platform (53) are used for bearing the weight of panel, locating platform (52) are used for location, spacing panel, just leave between locating platform (52) and back unloading platform (53) and supply down aircraft nose device (42) are through the headspace.

2. The upper and lower six-sided drilling and milling machining center of longmen integral type of claim 1, characterized in that: the integrated gantry crane is characterized by further comprising an ash receiving trolley arranged on the rack (1), wherein the ash receiving trolley is arranged below the integrated gantry (2).

3. The upper and lower six-sided drilling and milling machining center of longmen integral type of claim 1, characterized in that: and a positioning device (6) and a side leaning device (7) are arranged on the positioning platform (52).

4. The upper and lower six-sided drilling and milling machining center of longmen integral type of claim 3, characterized in that: the positioning device (6) comprises a blocking cylinder (61) and an avoiding groove (62), the avoiding groove (62) is arranged on the positioning platform (52), and a piston rod of the blocking cylinder (61) can penetrate through the avoiding groove (62) from bottom to top.

5. The upper and lower six-sided drilling and milling machining center of longmen integral type of claim 3, characterized in that: device (7) is leaned on to side is leaned on seat (72), side to push away cylinder (75), side to lean on wheelset (73) and U axle drive arrangement (71) including the side, wherein seat (72) is leaned on to the side and is the level setting and is in on locating platform (52), and both ends difference sliding connection around it locating platform (52) side is followed and is gone up gantry beam (21), the side is leaned on wheelset (73) to set up seat (72) are leaned on to the side is close to the side of tong beam (3) is followed, side pushes away cylinder (75) and is used for transversely pushing seat (72) is leaned on to the side, U axle drive arrangement (71) are used for driving side pushes away cylinder (75) lateral shifting.

6. The upper and lower six-sided drilling and milling machining center of longmen integral type of claim 1, characterized in that: the front side and the rear side of the side leaning seat (72) are respectively connected with the positioning platform (52) and the upper gantry beam (21) in a sliding mode through slider guide rails, the side leaning seat (72) is located on one side of the positioning platform (52) and is bent downwards to cover the slider, and one side of the upper gantry beam (21) is bent upwards to cover the slider.

7. The upper and lower six-sided drilling and milling machining center of longmen integral type of claim 1, characterized in that: the front feeding platform (51), the positioning platform (52) and the rear blanking platform (53) are all air-floating platforms.

8. The upper and lower six-sided drilling and milling machining center of longmen integral type of claim 1, characterized in that: the upper machine head device (41) comprises an upper Y-direction driving device (415) used for driving the upper Y-direction driving device to move transversely along the upper gantry beam (21), an upper spindle assembly (412) used for mounting a machining tool, an upper drill bag (411) and an upper Z-direction driving device (414) used for driving the upper spindle assembly (412) to lift up and down.

9. The upper and lower six-sided drilling and milling machining center of longmen integral type of claim 8, characterized in that: the lower machine head device (42) comprises a lower Y-direction driving device (423) used for driving the lower Y-direction driving device to transversely move along the lower gantry beam (22), a lower spindle assembly (422) used for mounting a machining tool, a lower drill package (421) and a lower Z-direction driving device (424) used for driving the lower spindle assembly (422) to vertically lift.

10. The upper and lower six-sided drilling and milling machining center of longmen integral type of claim 1, characterized in that: the integrated gantry (2) is used for connecting the upright columns of the upper gantry beam (21) and the lower gantry beam (22) and fixedly provided with a gantry support (23), and the gantry support (23) is used for being connected with the rack (1) and providing auxiliary support for the integrated gantry (2).

Technical Field

The invention relates to the field of numerical control machine tool devices, in particular to an integrated upper and lower gantry six-sided drilling and milling machining center.

Background

In recent years, six-face drilling and milling machining centers are gradually popularized in the market to carry out the machining of six faces of a plate, groove drawing of the upper face and the lower face and milling procedures, the machining process is greatly simplified, and meanwhile, the production efficiency is also improved. Along with people bore and mill machining center and accept gradually, also proposed higher requirement to equipment simultaneously, not only will have higher stability and reliability, still need convenient maintenance, dust absorption, dust removal performance are required for a short time, so the market is urgent to wait for the cubic of a section that can satisfy actual demand and bores, can make things convenient for people's use better.

As in the prior application patent, publication No.: CN208961458U, publication No.: the six-face drilling and milling machining center shown in CN110103292A and the like is provided with an upper machine head device and a lower machine head device which work cooperatively, wherein the upper machine head device and the lower machine head device are respectively arranged on an upper gantry beam or a lower gantry beam in a sliding manner, but because the upper gantry beam and the lower gantry beam are respectively arranged on a rack, the problems of poor anti-twisting and bending performance of the six-face drilling and milling machining center can be encountered during use, and the concentric accuracy of the main shafts of the upper machine head and the lower machine head is poor, so that multiple times of calibration and maintenance are required in the actual use process. And dust can be accumulated in the gap which is not easy to clean between the gantry and the frame.

Disclosure of Invention

The invention aims to solve the technical problems and provide the upper and lower gantry integrated six-sided drilling and milling machining center which is strong in structural stability, good in upper and lower main shaft concentricity precision and convenient to clean.

The application provides an upper and lower gantry integrated six-side drilling and milling machining center, which comprises a rack, and an integrated gantry, a clamping hand beam, a machining assembly and a material conveying platform which are arranged on the rack;

the integrated gantry is an integrally formed rectangular frame structure and comprises an upper gantry beam and a lower gantry beam which are arranged in parallel, wherein the lower gantry beam is fixedly connected with the rack;

the clamping beam vertically penetrates through the integrated gantry, a plurality of clamping devices capable of moving longitudinally along the clamping beam are arranged on the clamping beam, and the clamping devices are used for horizontally clamping plates;

the processing assembly comprises an upper machine head device capable of transversely moving along the upper gantry beam and a lower machine head device capable of transversely moving along the lower gantry beam, wherein processing cutters are arranged on the upper machine head device and the lower machine head device;

the material transporting platform comprises an edge, a front feeding platform, a positioning platform and a rear blanking platform are longitudinally and sequentially arranged on the clamp cross beam, wherein the front feeding platform and the rear blanking platform are used for bearing plates, the positioning platform is used for positioning and limiting the plates, and a reserved space is reserved between the positioning platform and the rear blanking platform for the lower machine head device to pass through.

Preferably, the integrated gantry further comprises an ash receiving trolley arranged on the rack, and the ash receiving trolley is arranged below the integrated gantry.

Preferably, the positioning device comprises a blocking cylinder and an avoiding groove, the avoiding groove is formed in the positioning platform, and a piston rod of the blocking cylinder can penetrate through the avoiding groove from bottom to top.

Preferably, the device is leaned on to the side leans on seat, side to push away the cylinder, the side leans on wheelset and U axle drive arrangement including the side, wherein the side leans on the seat to be the level setting and is in on the locating platform, and both ends sliding connection respectively around it the locating platform side is followed and is gone up the gantry beam, the side leans on the wheelset to set up and is in the side leans on the seat to be close to the side of tong crossbeam is followed, the side pushes away the cylinder and is used for transversely promoting the seat is leaned on to the side, U axle drive arrangement is used for driving side pushes away cylinder lateral shifting.

Preferably, the front side and the rear side of the side leaning seat are respectively connected with the positioning platform and the upper gantry beam in a sliding mode through slide block guide rails, the side leaning seat is located on one side of the positioning platform, the side leaning seat is bent downwards and covers the slide block, and one side of the side leaning seat is located on one side of the upper gantry beam, the side leaning seat is bent upwards and covers the slide block.

Preferably, the front feeding platform, the positioning platform and the rear blanking platform are all air floatation platforms.

Preferably, the upper machine head device comprises an upper Y-direction driving device for driving the upper Y-direction driving device to move transversely along the upper gantry beam, an upper spindle assembly for mounting a machining tool, an upper drill bag and an upper Z-direction driving device for driving the upper spindle assembly to lift up and down.

Preferably, the lower machine head device comprises a lower Y-direction driving device for driving the lower Y-direction driving device to move transversely along the lower gantry beam, a lower spindle assembly for mounting a machining tool, a lower drill package and a lower Z-direction driving device for driving the lower spindle assembly to lift up and down.

Preferably, the integrated gantry is fixedly provided with a gantry support on a column for connecting the upper gantry beam and the lower gantry beam, and the gantry support is used for being connected with the frame and providing auxiliary support for the integrated gantry.

Compared with the prior art, the process has the advantages that:

1. the invention utilizes the integrated gantry to improve the running stability of the upper machine head device and the lower machine head device which are arranged on the gantry, and the upper main shaft and the lower main shaft can be concentric, thereby reducing the time wasted by calibration and improving the processing precision;

2. the integrated design of the upper and lower gantry is more concise and compact, and the raised dust generated by processing can be more easily cleaned, so that the dust collection and cleaning link is more convenient for the treatment of the dust in the processing.

Drawings

FIG. 1 is an overall perspective view of an integrated upper and lower gantry type six-sided drilling and milling machining center.

FIG. 2 is a perspective view of an integrated gantry of the integrated vertical-gantry six-sided drilling and milling machining center.

FIG. 3 is a perspective view of a frame of the integrated vertical gantry type six-sided drilling and milling machining center.

FIG. 4 is a first perspective view of the clamping device of the integrated vertical gantry type six-sided drilling and milling machining center of the invention.

FIG. 5 is a second perspective view of the clamping device of the integrated vertical gantry type six-sided drilling and milling machining center of the invention.

FIG. 6 is a first perspective view of the upper machine head device of the upper and lower gantry integrated six-sided drilling and milling machining center of the invention.

FIG. 7 is a second perspective view of a structural upper head device of the upper and lower gantry integrated six-sided drilling and milling machining center of the invention.

FIG. 8 is a first perspective view of a lower head device of the upper and lower gantry integrated six-sided drilling and milling machining center of the present invention.

FIG. 9 is a second perspective view of the lower head device of the upper and lower gantry integrated six-sided drilling and milling machining center of the present invention.

FIG. 10 is a perspective view of the positioning device of the integrated vertical gantry type six-sided drilling and milling machining center of the invention.

FIG. 11 is a perspective view of a side leaning device of the integrated vertical gantry type six-sided drilling and milling machining center.

As shown in the figure: 1. the gantry comprises a frame, 2, an integrated gantry, 21, an upper gantry beam, 22, a lower gantry beam, 23, a gantry support, 3, a clamping hand beam, 31, a clamping hand device, 311, a clamping hand box, 312, an upper clamping hand, 313, a lower clamping hand, 314, a clamping hand transmission mechanism, 315, a clamping hand double-shaft cylinder, 316, an upper and lower clamping hand auxiliary guide mechanism, 317, a clamping hand main slide block I, 318, a clamping hand main slide block II, 319, a positioning column, 32, a clamping hand beam support, 4, a processing assembly, 41, an upper machine head device, 411, an upper drill package, 412, an upper spindle assembly, 413, a spindle press plate assembly, 414, an upper Z-direction driving device, 415, an upper Y-direction driving device, 416, a centralized lubricating block, 42, a lower machine head device, 421, a lower drill package, 422, a lower spindle assembly, 423, a lower Y-direction driving device, 424, a lower Z-direction driving device, 5, a material conveying platform, 51, a front feeding platform, 52, a lower clamping hand box, a clamping hand device, a positioning device, a, Positioning platform, 53, rear blanking platform, 6, positioning device, 61, blocking cylinder, 62, clearance groove, 7, side leaning device, 71, U-shaft driving device, 72, side leaning seat, 73, side leaning wheel group, 74, large plate auxiliary pressing wheel, 75 and side pushing cylinder.

Detailed Description

The following description is only a preferred embodiment of the present invention, and does not limit the scope of the invention, which is further described with reference to the accompanying drawings and embodiments.

For the convenience of understanding the present embodiment, the present invention will be described in detail with reference to an upper and lower gantry integrated six-sided drilling and milling center used in the actual machining process.

Example 1:

referring to fig. 1, the device comprises a frame 1, an integrated gantry 2 arranged on the frame 1, a clamping hand beam 3, a processing assembly 4 and a material transporting platform 5;

the frame 1 is the design of integrative frame construction, and the good antidetonation antitorque bent nature of wholeness is good, and the middle part bilateral symmetry of frame 1 is placed fixedly and is set up integral type longmen 2. Referring to fig. 2, the integrated gantry integrates an upper gantry and a lower gantry into a whole to form a rectangular frame structure, the integrated gantry comprises an upper gantry beam 21 on the upper side and a lower gantry beam 22 on the lower side, the left end and the right end of the upper gantry beam 22 are connected through the stand columns, the integrated gantry is good in overall distortion resistance and bending resistance, the problem of concentricity of an upper main shaft and a lower main shaft is well guaranteed, and the precision is favorably kept. In order to further improve the structural stability of the integrated gantry 2, referring to fig. 3, an L-shaped gantry support 23 is disposed on the upper portion of the column, and the gantry support 23 is fixedly connected to the frame 1 to improve the stability thereof. In order to facilitate dust collection, a dust receiving trolley is arranged below the integrated gantry 2.

Referring to fig. 3, the gripper beam 3 is fixedly disposed at the left side of the frame 1, longitudinally penetrates the integrated gantry 2, and is perpendicular to the upper gantry beam 21, the gripper beam 3 is used for transporting plate materials, so that the gripper beam is long in length, and gripper beam supports 32 are disposed at both sides for structural stability as auxiliary supports. Two clamping hand devices 31 capable of moving longitudinally along the clamping hand cross beam 3 are arranged on the clamping hand device 31, and the clamping hand devices 31 are used for horizontally clamping the plates.

Specifically, the structure of the gripper device 31 is shown in fig. 4 and 5, and includes a gripper box 311, an upper gripper 312, a lower gripper 313, a gripper transmission mechanism 314, a gripper double-shaft cylinder 315, an upper and lower gripper auxiliary guide mechanism 316, a gripper main slider 317, a gripper main slider 318, and a positioning post 319.

The entire gripper device 31 drives the helical gear to engage and transmit with the rack on the gripper beam 3 through the motor of the gripper transmission mechanism 314, so as to realize longitudinal movement. The lower clamping hand 313 is arranged right in front of the front side surface of the clamping hand box 311, and the lower clamping hand 313 can slide on the clamping hand box 311; the upper gripper 312 is disposed at an upper end of a front side surface of the gripper box 311, and the upper gripper 312 slides on the gripper box 311. The upper gripper 312 and the lower gripper 313 are guided by the upper and lower gripper auxiliary guide mechanism 316 in an auxiliary manner so as to be integrated in a "moving" state or a "static" state, and the upper gripper 312 and the lower gripper 313 are not easy to deviate when the gripper device 31 is clamped or opened.

The second gripper main slider 318 and the first gripper main slider 317 are as shown in fig. 5, and the mounting surfaces of the two sliders form 90 degrees with each other, so that the stability of the gripper device 31 can be improved on the premise of not increasing the span of the two sliders, and meanwhile, the problem that the sliders and the device body are easy to misplace and deflect when the gripper runs at a high speed is solved.

The clamping hand double-shaft cylinder 315 is fixed on the lower side of the lower clamping hand 313, a large-stroke end cylinder rod of the clamping hand double-shaft cylinder 315 is connected with the upper clamping hand 312, and a short-stroke end cylinder rod is connected with a clamping hand cylinder fixing plate. The clamp is designed by a double-shaft cylinder, and when the clamp is opened, the lower clamp 313 moves downwards to be lower than the table top, so that the plate can be clamped conveniently; when the clamping hands clamp, the lower clamping hands 313 are set to be slightly higher than the table top by 0.02mm, and the table top does not scratch the plate when the clamping hands drag the plate to move.

The machining assembly 4 is used for machining, drilling, milling and the like of a plate, and comprises an upper machine head device 41 capable of moving transversely along the upper gantry beam 21 and a lower machine head device 42 capable of moving transversely along the lower gantry beam 22.

Specifically, referring to fig. 6 and 7, the upper head device 41 is disposed right in front of the upper gantry beam 21, and includes an upper Y-direction driving device 415 for driving the upper head device to move laterally along the upper gantry beam 21, an upper spindle assembly 412 for mounting a machining tool, an upper drill pack 411, and an upper Z-direction driving device 414 for driving the upper spindle assembly 412 to move up and down, and a spindle pressure plate assembly 413 is disposed on the upper spindle assembly 412. In this embodiment, the upper drill package 411 includes 12 vertical drill groups and four horizontal drill groups in four directions, namely a front longitudinal horizontal drill group and a rear left and right horizontal drill group, and can perform five-face hole position processing; the upper spindle assembly 412 may perform groove drawing and milling processes on the plate. In order to enable the upper head device 41 to be capable of automatically lubricating, the upper drill package 411 is provided with a concentrated lubricating block 416, so that the problem that lubricating oil cannot be filled or is inconvenient to fill at a lubricating point of the drill package is solved.

Specifically, referring to fig. 8 and 9, the lower head device 42 is disposed right in front of the lower gantry beam 22 and includes a lower Y-direction driving device 423 for driving the lower head device to move laterally along the lower gantry beam 22, a lower spindle assembly 422 for mounting a machining tool, a lower drill package 421, and a lower Z-direction driving device 424 for driving the lower spindle assembly 422 to move up and down, a drilling process for a bottom surface of a plate can be performed by a vertical drill set in the lower drill package 421, a slot drawing or milling process for the bottom surface of the plate can be performed by the lower spindle assembly 422, and the above and the upper head device 41 can perform drilling, slot drawing and milling processes for six surfaces of the plate.

The upper Z-direction driving device 414 or the lower Z-direction driving device 424 is composed of a servo motor, a coupler, and a lead screw to complete the Z-direction transmission of the upper head device 41 or the lower head device 42, and the upper Y-direction driving device 415 and the lower Y-direction driving device 423 are composed of a servo motor, a speed reducer, and a helical gear, and are engaged with the helical rack of the upper gantry beam 21 or the lower gantry beam 22 to complete the transmission.

The material transporting platform 5 is used for conveying the plates and needs to position and limit the plates, and comprises an edge, wherein a front feeding platform 51, a positioning platform 52 and a rear blanking platform 53 are longitudinally and sequentially arranged on the gripper beam 3, the front feeding platform 51 and the rear blanking platform 53 are used for bearing the plates, specifically, the air floating platform integrated with the rack 1 is selected for the front feeding platform 51 and the rear blanking platform 53, and the plates grabbed by the gripper device 31 are supported and prevented from being scratched by the plates through the transportation of the gas bearing plates. In this embodiment, the rear blanking platform 53 is disposed on the lower gantry beam 22, so that the worker can directly draw out the processed plate, and in some embodiments, the rear blanking platform 53 may be a side-row discharging device or a transferring device. The positioning platform 52 is used for positioning and limiting the plate, and a reserved space for the lower machine head device 42 to pass through is reserved between the positioning platform 52 and the rear blanking platform 53.

In order to realize positioning and limiting, a positioning device 6 and a side leaning device 7 are installed on the positioning platform 52.

Specifically, referring to fig. 10, the positioning device 6 includes a blocking cylinder 61 and a clearance groove 62, the clearance groove 62 is disposed on the positioning platform 52, and a piston rod of the blocking cylinder 61 can penetrate through the clearance groove 62 from bottom to top. The blocking cylinder 61 is used for blocking the rear edge of the plate, the clamping device 31 can fix the left edge of the plate, and the front feeding platform 51 and the positioning platform 52 can determine the lower side surface of the plate, so that the positioning of the plate can be completed through interaction of the multiple functions.

The plate is limited by the side leaning device 7, specifically, referring to fig. 11, the side leaning device comprises a side leaning seat 72, a side pushing cylinder 75, a side leaning wheel set 73, a large plate auxiliary pressing wheel 74 and a U-axis driving device 71, wherein the side leaning seat 72 is horizontally arranged on the positioning platform 52, the front end and the rear end of the side leaning seat 72 are respectively connected with the side edge of the positioning platform 52 and the upper gantry beam 21 in a sliding manner, the side leaning wheel set 73 is arranged on the side leaning seat 72 close to the side edge of the gripper beam 3, the side pushing cylinder 75 is used for transversely pushing the side leaning seat 72, and the U-axis driving device 71 is used for driving the side pushing cylinder 75 to transversely move.

The front side and the rear side of the side leaning seat 72 are respectively connected with the positioning platform 52 and the upper gantry beam 21 in a sliding manner through slide block guide rails, one side of the side leaning seat 72, which is positioned on the positioning platform 52, is bent downwards and covers a slide block, one side of the side leaning seat 72, which is positioned on the upper gantry beam 21, is bent upwards and covers the slide block, and the side leaning device 7 has large span of two groups of supporting slide blocks and large side bearing; meanwhile, the guide rails on the two sides of the side leaning device 7 are hidden under the panel, and the sliding block cannot be directly exposed under dust, so that the service life of the sliding block is greatly prolonged.

During the specific use, tong device 31 presss from both sides dress panel and processes from the front end of tong crossbeam 3, panel moves locating platform 52 on the preceding feeding platform 51 of air supporting, positioner 6 can fix a position panel, and the side leans on device 7 to lean on the work piece in advance, then side thrust cylinder 75 promotes the side and leans on seat 72, the side leans on the flexible promotion plate of wheelset 73 to realize the centre gripping of panel on the seat 72, later panel further gets into in integral type longmen 2, by last aircraft nose device 41 and lower aircraft nose device 42 process, follow back unloading platform 53 after the processing is accomplished and deviate from.

The invention and its embodiments have been described above, without limitation, and what is shown in the drawings is only one of the embodiments of the invention, to which the actual structure is not limited. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.