阅读说明：本技术 一种用于动柱式龙门加工中心的一体式立柱 (Integrated stand column for movable column type gantry machining center ) 是由 朱世阳 朱钢 张伟 于 2021-09-09 设计创作，主要内容包括：本发明公开了一种用于动柱式龙门加工中心的一体式立柱,其立柱本体包括外围筋板和内部筋板,内部筋板横纵交错焊接在外围筋板的内侧,立柱本体的顶端焊接有横梁结合面安装板、底端焊接有滑块安装板,立柱本体的前侧和后侧分别直立安装有齿轮减速箱,每个齿轮减速箱的输入齿轮与一电动机的输出端相连、输出齿轮与安装在机床床身上的齿条相适配,滑块安装板上对称安装有滑块,滑块与安装在机床床身上的直线导轨相适配。该立柱集传统立柱及滑座的功能于一体,结构简单,方便焊接,可替换传统立柱、滑座结构,在不改变动柱式龙门加工中心系统参数的前提下,可减轻机床传动部件的重量,并优化机床的装配工艺,减少机床的生产时间,提高机床的生产效率。(The invention discloses an integrated upright post for a movable column type gantry machining center, wherein an upright post body comprises peripheral rib plates and internal rib plates, the internal rib plates are welded on the inner sides of the peripheral rib plates in a transverse and longitudinal staggered manner, a cross beam joint surface mounting plate is welded at the top end of the upright post body, a sliding block mounting plate is welded at the bottom end of the upright post body, gear reduction boxes are respectively and vertically arranged on the front side and the rear side of the upright post body, an input gear of each gear reduction box is connected with an output end of a motor, an output gear is matched with a rack arranged on a machine tool body, sliding blocks are symmetrically arranged on the sliding block mounting plate, and the sliding blocks are matched with linear guide rails arranged on the machine tool body. The stand integrates the functions of a traditional stand column and a slide seat, has a simple structure, is convenient to weld, can replace the structures of the traditional stand column and the slide seat, can reduce the weight of a transmission part of a machine tool on the premise of not changing the system parameters of a movable column type gantry machining center, optimizes the assembly process of the machine tool, reduces the production time of the machine tool and improves the production efficiency of the machine tool.)

1. An integrated upright post for a movable column type gantry machining center is characterized by comprising an upright post body, wherein the upright post body comprises a peripheral rib plate and an internal rib plate, the internal rib plate is welded on the inner side of the peripheral rib plate in a transverse and longitudinal staggered manner, a cross beam joint surface mounting plate is welded at the top end of the upright post body, a slider mounting plate is welded at the bottom end of the upright post body, gear reduction boxes are respectively and vertically mounted on the front side and the rear side of the upright post body, an input gear of each gear reduction box is connected with an output end of a motor, an output gear of each gear reduction box is matched with a rack mounted on a machine tool body, sliders are symmetrically mounted on the slider mounting plate and are matched with a linear guide rail mounted on the machine tool body, and two integrated upright posts are symmetrically mounted on two sides of a cross beam of one gantry machine tool after mounting, the beam joint surface mounting plates of the two integrated upright columns are respectively fixed at the bottom of the beam through a plurality of bolts, and the sliding blocks of the two integrated upright columns are respectively assembled on the linear guide rail on the machine tool body.

2. The integrated upright post for the movable column type gantry machining center according to claim 1, wherein the internal rib plate comprises a plurality of vertical ribs and a plurality of annular ribs, the plurality of vertical ribs are arranged along the circumferential direction of the peripheral rib plate at intervals, each vertical rib is vertically welded on the inner side wall of the peripheral rib plate, the top end and the bottom end of each vertical rib are respectively welded on the beam joint surface mounting plate and the slider mounting plate, the plurality of annular ribs are arranged along the height direction of the peripheral rib plate at intervals from top to bottom, each annular rib is transversely welded on the inner side wall of the peripheral rib plate, and the joint of each vertical rib and each annular rib is mutually welded.

3. The integrated upright post for the movable column type gantry machining center according to claim 2, wherein a plurality of reinforcing plates are welded between the beam joint surface mounting plate and the ring ribs and the vertical ribs on the uppermost side, and a plurality of reinforcing blocks are welded between the slider mounting plate and the vertical ribs.

4. The integrated upright post for the movable column type gantry machining center according to any one of claims 1 to 3, wherein the beam joint surface mounting plate and the slider mounting plate are both Q345B steel plates, and the peripheral rib plates and the internal rib plates are both Q235B steel plates.

5. The integrated upright post for the movable column type gantry machining center according to claim 1, wherein mounting brackets are respectively fixed on the front side and the rear side of the peripheral rib plate, and each gear reduction box is mounted on one mounting bracket.

6. The integrated upright post for the movable column type gantry machining center according to claim 5, wherein support mounting plates are welded to the front side and the rear side of the peripheral rib plate respectively, each mounting support is fixed to the peripheral rib plate and one support mounting plate through a plurality of screws, and each mounting support and the corresponding support mounting plate are positioned through a flat key.

7. The integrated upright post for the movable column type gantry machining center according to claim 6, wherein a plurality of first adjusting blocks are mounted on each mounting bracket through screws, and the first adjusting blocks are used for adjusting the left and right positions of the gear reduction box.

8. The integrated upright post for the movable column type gantry machining center according to claim 1, wherein a plurality of second adjusting blocks are mounted on the side surface of the beam joint surface mounting plate through screws, the second adjusting blocks are distributed on the front side surface, the rear side surface and the outer side surface of the beam joint surface mounting plate, the second adjusting blocks are used for adjusting the front and rear positions and the left and right positions of the beam, and after the integrated upright post is mounted, the second adjusting blocks are respectively fixed on the side surface of the bottom end of the beam through screws.

Technical Field

The invention relates to the technical field of transmission and stand column structures of a movable column type gantry machining center, in particular to an integrated stand column for the movable column type gantry machining center.

Background

The movable column type gantry machining center is widely used in the aerospace field by virtue of excellent machining range and machining precision, and the main problem is how to improve the production cost and the production efficiency. The machine tool body and the upright post of the original machine tool structure are connected with each other through a sliding seat, the sliding seat is arranged on the machine tool body, the upright post is arranged on the sliding seat, and the sliding seat is manufactured through a casting method. However, the slide seat has a long manufacturing period, which can cause the production period to be delayed and influence the production progress; and in the process of assembling the machine tool, the sliding seat can increase the assembling process and time.

Disclosure of Invention

The invention aims to solve the technical problem that the invention provides an integrated upright post for a movable column type gantry machining center, which integrates the functions of a traditional upright post and a sliding seat, has simple structure and convenient welding, can replace the structures of the traditional upright post and the sliding seat, can reduce the weight of a transmission part of a machine tool on the premise of not changing the system parameters of the movable column type gantry machining center, optimizes the assembly process of the machine tool, reduces the production time of the machine tool and improves the production efficiency of the machine tool.

The technical scheme adopted by the invention for solving the technical problems is as follows: an integrated upright post for a movable column type gantry machining center comprises an upright post body, wherein the upright post body comprises peripheral rib plates and internal rib plates, the internal rib plates are welded on the inner sides of the peripheral rib plates in a transverse and longitudinal staggered manner, a cross beam joint surface mounting plate is welded at the top end of the upright post body, a slider mounting plate is welded at the bottom end of the upright post body, gear reduction boxes are respectively and vertically mounted on the front side and the rear side of the upright post body, an input gear of each gear reduction box is connected with an output end of a motor, an output gear of each gear reduction box is matched with a rack mounted on a machine tool body, sliders are symmetrically mounted on the slider mounting plate and are matched with a linear guide rail mounted on the machine tool body, and after mounting, two integrated upright posts are symmetrically mounted on two sides of a cross beam of one gantry machine tool, the beam joint surface mounting plates of the two integrated upright columns are respectively fixed at the bottom of the beam through a plurality of bolts, and the sliding blocks of the two integrated upright columns are respectively assembled on the linear guide rail on the machine tool body.

The integrated upright post is in a welding form, is simple in structure and convenient to weld, integrates the functions of a traditional upright post and a sliding seat, can replace the structures of the traditional upright post and the sliding seat, does not need to consume the manufacturing time of the traditional sliding seat, can greatly save the preparation time of basic parts of a machine tool, only needs to directly connect the upright post with a machine tool body and a cross beam respectively in the assembling process, simplifies the assembling process, and has positive influence on the manufacturing, assembling and production of the machine tool. The integrated upright column can reduce the weight of a transmission part of a machine tool, optimize the assembly process of the machine tool, reduce the production time of the machine tool and improve the production efficiency of the machine tool on the premise of not changing the system parameters of the movable column type gantry machining center.

After the integrated upright post is installed, the movement of the whole machine tool beam along the X-axis direction is realized through the gear reduction boxes installed on the front side and the rear side of the integrated upright post, namely, the motor drives the gear reduction boxes to rotate, so that the sliding block at the bottom of the upright post moves along the linear guide rail on the machine tool body, and further, the movement of the machine tool beam is realized. The gear reduction boxes arranged on the front side and the rear side of the integrated upright post can achieve a good double-gear anti-backlash effect, and the stability of the machine tool beam moving along the rack in the X-axis direction is guaranteed.

Preferably, the inner rib plate comprises a plurality of vertical ribs and a plurality of annular ribs, the plurality of vertical ribs are arranged along the circumferential direction of the peripheral rib plate at intervals, each vertical rib is vertically welded on the inner side wall of the peripheral rib plate, the top end and the bottom end of each vertical rib are respectively welded on the beam joint surface mounting plate and the slider mounting plate, the plurality of annular ribs are arranged along the height direction of the peripheral rib plate at intervals from top to bottom, each annular rib is transversely welded on the inner side wall of the peripheral rib plate, and each vertical rib is welded with the joint of each annular rib.

Preferably, a plurality of reinforcing plates are welded between the beam joint surface mounting plate and the ring rib and the vertical rib which are positioned at the uppermost side, and a plurality of reinforcing blocks are welded between the sliding block mounting plate and the vertical rib. The reinforcing plate and the reinforcing block play a role in reinforcing, and the strength of key combination parts such as the beam combination surface mounting plate and the slider mounting plate can be increased.

Preferably, the beam joint surface mounting plate and the slider mounting plate are both Q345B steel plates, and the peripheral rib plate and the internal rib plate are both Q235B steel plates. Compared with a Q235B steel plate, the Q345B steel plate has better comprehensive mechanical property, good plasticity and weldability and better low-temperature property, and the lower limit of the yield strength of 345MPa is more than 235MPa of Q235B. In the integrated upright post, the key joint parts such as the beam joint surface mounting plate, the slider mounting plate and the like adopt Q345B steel plates, and the non-contact parts such as the peripheral rib plates and the internal rib plates adopt Q235B steel plates, so that the connection deformation of the key parts can be reduced, meanwhile, the internal arrangement of ribs is less, the number of cavities is more, the integral weight is lighter during movement, the speed and the precision of servo control are improved, the integral structure of the upright post is ensured to be stable, and the raw material cost can be saved under the condition of not influencing the transmission of a machine tool.

Preferably, the front side and the rear side of the peripheral rib plate are respectively fixed with a mounting bracket, and each gear reduction box is mounted on one mounting bracket.

Preferably, the front side and the rear side of the peripheral rib plate are respectively welded with a support mounting plate, each mounting support is fixed on the peripheral rib plate and one support mounting plate through a plurality of screws, and each mounting support and the corresponding support mounting plate are positioned through a flat key.

Preferably, a plurality of first adjusting blocks are mounted on each mounting bracket through screws, and the first adjusting blocks are used for adjusting the left and right positions of the gear reduction box.

Preferably, the side surface of the beam joint surface mounting plate is provided with a plurality of second adjusting blocks through screws, the plurality of second adjusting blocks are distributed on the front side surface, the rear side surface and the outer side surface of the beam joint surface mounting plate, the plurality of second adjusting blocks are used for adjusting the front and rear positions and the left and right positions of the beam, and after the mounting, the plurality of second adjusting blocks are respectively fixed on the side surface of the bottom end of the beam through screws.

Compared with the prior art, the invention has the following advantages: the integrated upright post for the movable column type gantry machining center is welded, has a simple structure, is convenient to weld, integrates the functions of the traditional upright post and the functions of the traditional slide seat, can replace the structures of the traditional upright post and the traditional slide seat, does not need to consume the manufacturing time of the traditional slide seat, can greatly save the preparation time of basic parts of a machine tool, only needs to directly connect the upright post with a machine tool body and a cross beam respectively in the assembling process, simplifies the assembling process, and has positive influence on the manufacturing, assembling and production of the machine tool. The integrated upright column can reduce the weight of a transmission part of a machine tool, optimize the assembly process of the machine tool, reduce the production time of the machine tool and improve the production efficiency of the machine tool on the premise of not changing the system parameters of the movable column type gantry machining center.

Drawings

FIG. 1 is an external view of a pillar body in the embodiment;

FIG. 2 is a schematic longitudinal sectional view corresponding to FIG. 1

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;

FIG. 5 is an isometric view corresponding to FIG. 3;

FIG. 6 is a schematic view showing the connection between the column body and the gear reducer;

FIG. 7 is an enlarged view at C of FIG. 6;

FIG. 8 is a front view of the embodiment after the installation of the upright post;

FIG. 9 is an enlarged view of FIG. 8 at D;

FIG. 10 is a schematic view (side view) of the connection between the column and the beam after installation in the embodiment.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

The embodiment of the integrated upright post for the movable column type gantry machining center comprises an upright post body 1, wherein the upright post body 1 comprises a peripheral rib plate 2 and an internal rib plate 3, the internal rib plate 3 is welded on the inner side of the peripheral rib plate 2 in a transverse and longitudinal staggered manner, a cross beam joint surface mounting plate 11 is welded at the top end of the upright post body 1, a slider mounting plate 12 is welded at the bottom end of the upright post body 1, gear reduction boxes 41 (shown in figure 6, the distance between the two gear reduction boxes 41 is 2750 mm) are respectively vertically installed on the front side and the rear side of the upright post body 1, an input gear (not shown in the figure) of each gear reduction box 41 is connected with the output end of a motor 42, an output gear 43 of each gear reduction box 41 is matched with a rack (not shown in the figure) installed on a machine tool body 5, sliders 13 are symmetrically installed on the slider mounting plate 12, and the sliders 13 are matched with linear guide rails 51 installed on the machine tool body 5, after installation, two integrated columns are symmetrically installed on two sides of a cross beam 6 of one gantry machine tool, cross beam joint surface installation plates 11 of the two integrated columns are fixed at the bottom of the cross beam 6 through a plurality of bolts respectively, and sliding blocks 13 of the two integrated columns are assembled on linear guide rails 51 on a machine tool body 5 respectively.

In the embodiment, the internal rib plate 3 comprises a plurality of vertical ribs 31 and a plurality of annular ribs 32, the plurality of vertical ribs 31 are arranged at intervals along the circumferential direction of the peripheral rib plate 2, each vertical rib 31 is vertically welded on the inner side wall of the peripheral rib plate 2, the top end and the bottom end of each vertical rib 31 are respectively welded on the beam joint surface mounting plate 11 and the slider mounting plate 12, the plurality of annular ribs 32 are arranged at intervals up and down along the height direction of the peripheral rib plate 2, each annular rib 32 is transversely welded on the inner side wall of the peripheral rib plate 2, and the joint of each vertical rib 31 and each annular rib 32 is mutually welded; a plurality of reinforcing plates 13 are welded between the beam joint surface mounting plate 11 and the ring ribs 32 and the vertical ribs 31 which are positioned at the uppermost side, and a plurality of reinforcing blocks 14 are welded between the slider mounting plate 12 and the vertical ribs 31.

In this embodiment, the beam joint surface mounting plate 11 and the slider mounting plate 12 are both Q345B steel plates, and the peripheral rib plate 2 and the internal rib plate 3 are both Q235B steel plates.

In this embodiment, the mounting brackets 21 are respectively fixed to the front side and the rear side of the peripheral rib plate 2, and each gear reduction box 41 is mounted on one mounting bracket 21. Specifically, bracket mounting plates 22 are welded to the front side and the rear side of the peripheral rib plate 2 respectively, each mounting bracket 21 is fixed to the peripheral rib plate 2 and one bracket mounting plate 22 through a plurality of screws, and each mounting bracket 21 and the corresponding bracket mounting plate 22 are positioned through a flat key 23.

In this embodiment, two first adjusting blocks 24 are mounted on each mounting bracket 21 through screws, and the two first adjusting blocks 24 are used for adjusting the left and right positions of the gear reduction box 41. Six second adjusting blocks 25 are mounted on the side face of the beam joint face mounting plate 11 through screws, the six second adjusting blocks 25 are distributed on the front side face, the rear side face and the outer side face of the beam joint face mounting plate 11, the six second adjusting blocks 25 are used for adjusting the front and rear positions and the left and right positions of the beam 6, and after mounting, the six second adjusting blocks 25 are respectively fixed on the side face of the bottom end of the beam 6 through screws.

The effect diagrams after the integrated upright post is installed are shown in figures 8-10. In fig. 8, 61 is a ram and 62 is a saddle. The movement of the machine tool cross beam 6 along the X-axis direction is realized by the gear reduction boxes 41 arranged on the front side and the rear side of the integrated upright, namely, the gear reduction boxes 41 are driven by the motor 42 to rotate, so that the slide block 13 at the bottom of the upright moves along the linear guide rail 51 on the machine tool body 5, and further the movement of the machine tool cross beam 6 is realized. The gear reduction boxes 41 arranged on the front side and the rear side of the integrated upright post can achieve a good double-gear anti-backlash effect, and the stability of the machine tool beam 6 moving along the rack in the X-axis direction is guaranteed.