CN113814746B - Spliced lathe bed system of high-rigidity gantry machining center - Google Patents
Spliced lathe bed system of high-rigidity gantry machining center Download PDFInfo
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- CN113814746B CN113814746B CN202111185591.0A CN202111185591A CN113814746B CN 113814746 B CN113814746 B CN 113814746B CN 202111185591 A CN202111185591 A CN 202111185591A CN 113814746 B CN113814746 B CN 113814746B
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- 238000007789 sealing Methods 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 18
- 238000003801 milling Methods 0.000 abstract description 7
- 238000003754 machining Methods 0.000 description 6
- 238000005266 casting Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
- B23Q1/015—Frames, beds, pillars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/72—Auxiliary arrangements; Interconnections between auxiliary tables and movable machine elements
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Abstract
The invention discloses a spliced lathe bed system of a high-rigidity gantry machining center, and belongs to the technical field of planer type milling machines. The invention comprises a public lathe bed and a spliced lathe bed, wherein motor installation seats and bearing installation seats are respectively arranged on two sides of the public lathe bed in the length direction, and a connecting shank board is connected between the motor installation seats and the bearing installation seats; the utility lathe bed and the spliced lathe bed are connected through connecting screws, key grooves are formed in positions corresponding to two side walls of a joint surface of the spliced position of the utility lathe bed and the spliced lathe bed, the key grooves extend along the width direction of the lathe bed, and inclined key combinations for adjusting the height positions of the spliced lathe bed are connected in the two key grooves. The invention provides a spliced lathe bed system of a high-rigidity gantry machining center, which not only can improve the rigidity strength of a lathe bed, but also can ensure the coplanarity and the assembly precision of guide surfaces of the spliced lathe bed.
Description
Technical Field
The invention relates to the technical field of planer milling machines, in particular to a spliced lathe bed system of a high-rigidity planer machining center.
Background
In the existing numerical control machining technology, a gantry machining center consists of a stand column, a cross beam, a main shaft head, a workbench, a saddle, a ram and a lathe bed. The lathe bed is used as an indispensable part of the milling machine, and the main function of the lathe bed is to support the saddle and the workbench to perform linear motion. The milling machine body in the current market is low in structural strength and poor in bearing capacity, and the quality and the precision of a workpiece can be influenced.
The length of the lathe bed of the existing large gantry machining center is tens of meters, and the whole casting mode is generally adopted, so that the casting difficulty, the machining difficulty and the transportation difficulty are all very high. Even if the machine tool body above ten meters adopts a spliced machine tool body, the coplanarity of guide surfaces of the spliced machine tool body is difficult to ensure due to the connection of the spliced parts, so that the problems of realizing the splicing of the machine tool body of the gantry machining center and ensuring the coplanarity of the guide surfaces after the connection are urgent in industry.
Through searching, a great deal of patent publications about the structure of a machine body of a gantry machining center are available, such as Chinese patent application number: 2009201576978 the invention is named: the application discloses a large-scale planer-type lathe bed structure of deciding of concatenation of modularization, this application discloses a large-scale planer-type lathe bed structure of deciding of concatenation of modularization, including at least three sections lathe beds, the lathe bed passes through rag bolt and ground reliably fixed, leaves 8 ~ 12 mm's clearance between two adjacent lathe beds, and the tip upper surface of two adjacent lathe beds is equipped with the recess, and the upper end connecting plate is put into the recess and is fixed by connecting screw, and the tip side of two adjacent lathe beds is protruding to be equipped with lathe bed vertically and expose the gusset, and two adjacent exposed gusset pass through connecting bolt to be fixed.
Another example is chinese patent application No.: 2017219036983 the invention is named: the application discloses a positioning accuracy adjustment structure of a horizontal five-axis composite machining center, which comprises: the first high-rigidity interface, the second high-rigidity interface, the third high-rigidity interface, the first adjusting positioning block and the second adjusting positioning block; the first high-rigidity interface, the second high-rigidity interface and the third high-rigidity interface are sequentially arranged at one end of the Z-axis machine tool and are matched with the three interfaces of the upright post, the second high-rigidity interface is provided with a positioning pin hole, the first high-rigidity interface and the third high-rigidity interface are provided with positioning ports, the first adjusting positioning block and the second adjusting positioning block are respectively arranged at the front ends of the first high-rigidity interface and the second high-rigidity interface, and the first high-rigidity interface and the third high-rigidity interface are fixedly connected with the interfaces of the Z-axis machine tool through fastening screws.
Disclosure of Invention
1. Technical problem to be solved by the invention
The invention aims to solve the problems that the rigidity of the lathe bed of the existing large gantry machining center is poor, and the coplanarity of the guide surfaces of the spliced lathe bed is difficult to ensure due to the connection of the spliced positions of the lathe beds, and provides the spliced lathe bed system of the high-rigidity gantry machining center, which not only can improve the rigidity strength of the lathe bed, but also can ensure the coplanarity and the assembly precision of the guide surfaces of the spliced lathe bed.
2. Technical proposal
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention relates to a spliced lathe bed system of a high-rigidity gantry machining center, which comprises a public lathe bed and spliced lathe beds, wherein motor installation seats and bearing installation seats are respectively arranged on two sides of the public lathe bed in the length direction, and a connecting shank plate is connected between the motor installation seats and the bearing installation seats; the utility model discloses a split joint lathe, including the utility lathe bed, the concatenation lathe bed, wherein link to each other through the connecting screw between utility lathe bed and the concatenation lathe bed, the keyway has all been seted up to the corresponding position of both sides wall of the concatenation department faying face of utility lathe bed and concatenation lathe bed, and the keyway extends along the width direction of lathe bed, and is connected with the inclined key combination that is used for adjusting concatenation lathe bed height position in two keyways.
As a further improvement of the invention, key grooves are arranged at the positions corresponding to the width centers of the joint surfaces of the common lathe bed and the spliced lathe bed, the key grooves extend along the height direction of the lathe bed, and inclined key combinations for adjusting the horizontal positions of the spliced lathe beds are connected in the two key grooves.
As a further improvement of the invention, the inclined key combination comprises a fixing piece arranged in a key groove of the public lathe bed, the fixing piece comprises a bearing section embedded in the key groove, a matching section is arranged at the center position of one side of the bearing section far away from the public lathe bed, the upper side surface and the lower side surface of the matching section are inclined surfaces which are symmetrically arranged, matched adjusting pieces are arranged at the upper inclined surface and the lower inclined surface of the matching section, and the adjusting pieces and the matching section are jointly embedded in the key groove of the spliced lathe bed after being combined.
As a further improvement of the invention, the outer sides of the fixing member and the adjusting member are connected with a connecting member, the connecting member comprises a connecting section, and an abutting section for abutting against the outer side end surface of the fixing member is arranged on the inner side of the connecting section.
As a further improvement of the invention, the connecting piece and the fixing piece are provided with connecting holes at corresponding positions, and the connecting screw rod sequentially passes through the connecting holes on the connecting piece and the fixing piece to fix the connecting piece on the fixing piece.
As a further improvement of the invention, the corresponding positions of the connecting piece and the adjusting piece are respectively provided with an adjusting hole, and the adjusting screw rod sequentially passes through the adjusting holes on the connecting piece and the adjusting piece to connect the connecting piece and the adjusting piece together.
As a further improvement of the invention, a pair of guide rails are symmetrically arranged at the corresponding positions of the two sides of the top surface of the common lathe bed and the spliced lathe bed in the width direction, the guide rails extend along the length direction of the lathe bed, and collecting grooves are arranged at the opposite outer sides of the guide rails.
As a further improvement of the invention, the common lathe bed and the spliced lathe bed are internally symmetrically provided with A-shaped shin plates along the two sides of the width direction, and trapezoid shin plates are arranged between the A-shaped shin plates at the two sides.
As a further improvement of the invention, a plurality of rectangular shin plates are arranged in the common lathe bed and the spliced lathe bed at intervals along the length direction, and a triangular shin plate is also arranged between the bottom of the collecting tank and the lathe bed below.
As a further improvement of the invention, the joint surfaces of the joint parts of the common lathe bed and the spliced lathe bed are a common installation surface and a spliced installation surface respectively, the spliced installation surface is provided with a sealing groove, and a sealing ring is arranged in the sealing groove.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
(1) According to the spliced type lathe bed system of the high-rigidity gantry machining center, the same-size public lathe bed and the spliced lathe beds with different sizes are adopted to splice the needed gantry machining center lathe beds with different lengths, so that the spliced use of machine tools with different lengths is realized, the length of a single-section lathe bed is reduced, and casting and transportation are facilitated; meanwhile, the public lathe bed is used as a general material, which is favorable for stock and reduces the production cost.
(2) According to the spliced lathe bed system of the high-rigidity gantry machining center, the joint of the common lathe bed and the spliced lathe bed is installed and adjusted by adopting the structure of the inclined key combination, so that the installation and adjustment of the equal height of the installation bottom surface of a lathe bed linear rail and the equal width of a side leaning surface are facilitated, the inclined key combination in the middle is used for adjusting the left horizontal position and the right horizontal position, and the inclined key combination of the two side walls is used for adjusting the upper height position and the lower height position.
(3) According to the spliced lathe bed system of the high-rigidity gantry machining center, the upper side surface and the lower side surface of the matching section are symmetrically provided with the inclined surfaces, the matched adjusting parts are arranged at the upper inclined surface and the lower inclined surface of the matching section, the adjusting parts and the matching section are combined and then are embedded into the key grooves of the spliced lathe bed, and the inclined combination design of the adjusting parts and the matching section can reduce the stress of connecting screws and keep long-term stability between the joint surfaces of the public lathe bed and the spliced lathe bed.
(4) According to the spliced lathe bed system of the high-rigidity gantry machining center, the connecting shank plate is connected between the motor mounting seat and the bearing mounting seat, and compared with a conventional planer type milling machine, the motor seat and the bearing seat in the scheme are correspondingly widened and are connected together through the connecting shank plate, so that rigidity and stability of screw rod transmission can be effectively improved.
(5) According to the spliced type lathe bed system of the high-rigidity gantry machining center, A-shaped shin plates are symmetrically arranged on two sides of the lathe bed along the width direction, and inverted right trapezoid shin plates are arranged between the A-shaped shin plates on the two sides. The double A-shaped shank plate structure is combined into a pair of large A-shaped composite structures, has strong bending resistance and can effectively improve the integral rigidity strength of the machine tool body
(6) According to the spliced lathe bed system of the high-rigidity gantry machining center, the spliced installation surface is provided with the sealing groove, and the sealing ring is arranged in the sealing groove, so that the sealing performance of the joint surface can be effectively improved, the stability of the joint surface at the spliced position is ensured, and further, the follow-up machining precision is ensured.
Drawings
FIG. 1 is a schematic diagram of the front view of a spliced bed system of a high-rigidity gantry machining center of the present invention;
FIG. 2 is a schematic top view of a spliced bed system of a high-rigidity gantry machining center of the present invention;
FIG. 3 is a schematic left-view structure of the common bed according to the present invention;
FIG. 4 is a schematic diagram of a right-side view of a spliced bed according to the present invention;
FIG. 5 is a schematic side view of the combination of the diagonal keys of the present invention;
FIG. 6 is a schematic elevational view of the combination of the fixing and adjusting members of the present invention;
FIG. 7 is a schematic top view of a fastener of the present invention;
FIG. 8 is a schematic elevational view of a connector according to the present invention;
FIG. 9 is a schematic perspective view of a common bed according to the present invention;
FIG. 10 is a schematic top view of the common bed according to the present invention;
FIG. 11 is a schematic cross-sectional view of section D-D of FIG. 10;
FIG. 12 is a schematic cross-sectional structural view of section E-E of FIG. 10;
fig. 13 is a schematic diagram of a front view of a common bed according to the present invention.
Reference numerals in the schematic drawings illustrate:
110. A common bed; 101. a column fixing surface; 102. a bearing seat fixing surface; 103. an anchor bolt; 111. a common mounting surface; 112. an A-shaped shank board; 113. a trapezoidal shank plate; 114. a rectangular shank plate; 115. a triangular shank plate; 120. splicing the lathe bed; 121. splicing the mounting surfaces; 122. sealing grooves; 130. an oil retaining groove; 140. a key slot; 200. a combination of inclined keys; 210. a fixing member; 211. a mating section; 212. a receiving section; 213. a mounting hole; 220. an adjusting member; 221. an adjustment aperture; 230. a connecting piece; 231. a connection hole; 232. a connection section; 233. an abutment section; 234. an adjusting bolt; 300. a guide rail; 310. a column support; 311. a connecting screw hole; 320. a motor mounting seat; 330. a bearing mounting seat; 340. connecting a shank plate; 350. a collection tank; 360. and a metal plate bonding surface.
Detailed Description
For a further understanding of the present invention, the present invention will be described in detail with reference to the drawings.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The invention is further described below with reference to examples.
Example 1
1-7, The spliced lathe bed system of the high-rigidity gantry machining center of the embodiment comprises a common lathe bed 110 and a spliced lathe bed 120, wherein the common lathe bed 110 can be in a uniform size, the spliced lathe bed 120 can be in different length sizes, and the same-size common lathe bed 110 and the different-size spliced lathe bed 120 can be used for splicing the required gantry machining center lathe beds with different lengths, so that the spliced use of machine tools with different lengths is realized, the lengths of single-section lathe beds are reduced, and casting and transportation are facilitated; meanwhile, the public lathe bed is used as a general material, which is favorable for stock and reduces the production cost. In this embodiment, the common lathe bed 110 and the spliced lathe bed 120 are connected by a connection screw, specifically, in this embodiment, the joint surface at the spliced position of the common lathe bed 110 and the spliced lathe bed 120 is a common mounting surface 111 and a spliced mounting surface 121, a plurality of threaded holes are formed at corresponding positions of the common mounting surface 111 and the spliced mounting surface 121, and the connection screw sequentially passes through the screw holes of the common mounting surface 111 and the spliced mounting surface 121 and connects the common lathe bed 110 and the spliced lathe bed 120 together.
When the common lathe bed 110 and the spliced lathe bed 120 are connected by adopting the connecting screw, the splicing positions of the common lathe bed 110 and the spliced lathe bed 120 are deviated in the process of locking the connecting screw, so that the problem of poor coplanarity of guide surfaces of the common lathe bed 110 and the spliced lathe bed 120 is caused, and the machining precision of the machine tool is affected. In order to solve the above-mentioned problem, in this embodiment, the keyways 140 are formed at the positions corresponding to the two side walls of the joint surface of the common lathe bed 110 and the spliced lathe bed 120, and the keyways 140 extend along the width direction of the lathe bed, that is, as shown in the azimuth of fig. 1, the keyways 140 extending inwards are formed at the positions corresponding to the front and rear side walls of the joint surface of the common lathe bed 110 and the spliced lathe bed 120. The two key grooves 140 are internally connected with the inclined key combination 200 for adjusting the vertical height position of the spliced lathe bed 120, and the vertical height adjustment of the spliced lathe bed 120 is realized by adjusting the inclined key combination 200 on the left and right side walls, so that the final height of the public lathe bed 110 and the spliced lathe bed 120 at the same position is ensured, and the coplanarity of guide surfaces of the public lathe bed 110 and the spliced lathe bed 120 is effectively ensured.
As shown in fig. 2, in this embodiment, the positions corresponding to the width centers of the joint surfaces of the common lathe bed 110 and the spliced lathe bed 120 are provided with key grooves 140, the key grooves 140 extend along the height direction of the lathe bed, and two key grooves 140 are connected with a diagonal key combination 200 for adjusting the horizontal position of the spliced lathe bed 120, and the horizontal position of the spliced lathe bed 120 is adjusted by adjusting the diagonal key combination 200 in the middle, so that the problem that the common lathe bed 110 and the spliced lathe bed 120 are offset left and right is avoided, the coplanarity and the assembly precision of the guide surfaces of the common lathe bed 110 and the spliced lathe bed 120 are further ensured, and the post-processing precision is ensured. In this embodiment, the joint between the common lathe bed 110 and the spliced lathe bed 120 is installed and adjusted by adopting the structure of the diagonal key combination 200, so that the installation and debugging of the installation bottom surface of the lathe bed linear rail and the equal width of the side leaning surface are facilitated, the diagonal key combination 200 in the middle is used for adjusting the left horizontal position and the right horizontal position, and the diagonal key combination 200 on the two side walls is used for adjusting the upper and lower height positions.
Referring to fig. 5-8, the diagonal key assembly 200 in this embodiment includes a fixing member 210 disposed in a key slot 140 of the common lathe bed 110, the fixing member 210 includes a receiving section 212 embedded in the key slot 140, and a matching section 211 is disposed at a center position of a side of the receiving section 212 away from the common lathe bed 110, as shown in fig. 7, and an extension length of the matching section 211 is consistent with an extension length of the receiving section 212 and is smaller than an extension length of the key slot 140. The upper and lower sides of the matching section 211 are inclined planes which are symmetrically arranged, the matched adjusting parts 220 are arranged at the upper and lower inclined planes of the matching section 211, the adjusting parts 220 and the matching section 211 are combined and then are embedded into the key grooves 140 of the spliced lathe bed 120, the inclined combination design of the adjusting parts 220 and the matching section 211 can reduce the stress of connecting screws, and long-term stability between the joint surfaces of the public lathe bed 110 and the spliced lathe bed 120 is maintained. Specifically, as shown in fig. 7, in this embodiment, the upper and lower inclined surfaces of the mating section 211 have an outer eight-shaped structure, and the adjusting member 220 moves on the receiving section 212, so as to conveniently adjust the upper and lower height positions of the spliced bed 120.
The specific regulation mode is as follows: when the height position is adjusted, the upper adjusting piece 220 above the matching section 211 of the diagonal key combination 200 at the left and right sides of the machine body is pressed inwards, and the upper adjusting piece 220 moves inwards in the key groove 140, so that the spliced machine body 120 is propped upwards, and the height position of the spliced machine body 120 is improved; the lower adjusting piece 220 below the matching section 211 is pressed inwards, the upper adjusting piece 220 moves inwards in the key groove 140, so that the spliced lathe bed 120 is pushed downwards, the height position of the spliced lathe bed 120 is lowered, the height position of the spliced lathe bed 120 is adjusted by adjusting the positions of the upper adjusting piece 220 and the lower adjusting piece 220 of the diagonal key combination 200 at the left side and the right side, the spliced lathe bed 120 and the public lathe bed 110 are located at the same position, and the coplanarity of the spliced lathe bed 120 and the guide rail surface of the public lathe bed 110 is guaranteed. When the horizontal position is adjusted, the left adjusting piece 220 at the left side of the matching section 211 of the inclined key combination 200 at the center of the lathe bed is pressed downwards, and the left adjusting piece 220 moves downwards in the key groove 140, so that the spliced lathe bed 120 is propped leftwards, and the spliced lathe bed 120 integrally moves leftwards; the lower adjusting piece 220 on the right side of the matching section 211 is pressed inwards, the right adjusting piece 220 moves downwards in the key groove 140, so that the spliced lathe bed 120 is propped up rightwards, the spliced lathe bed 120 moves rightwards as a whole, the height position of the spliced lathe bed 120 is adjusted by adjusting the positions of the left adjusting piece 220 and the right adjusting piece 220 of the center inclined key combination 200, the spliced lathe bed 120 and the public lathe bed 110 are guaranteed to be positioned at the same horizontal position, and coplanarity of guide surfaces of the spliced lathe bed 120 and the public lathe bed 110 is further guaranteed.
As shown in fig. 5 and 8, in this embodiment, the outer sides of the fixing member 210 and the adjusting member 220 are connected with a connecting member 230, the connecting member 230 includes a connecting section 232, the connecting section 232 is used for connecting the upper and lower adjusting members 220 and the fixing member 210 together to form the diagonal key combination 200, specifically, in this embodiment, an abutting section 233 for abutting against the outer side end surface of the fixing member 210 is provided on the inner side of the connecting section 232, wherein connecting holes 231 are provided at positions corresponding to the positions of the connecting member 230 and the fixing member 210, and connecting screws sequentially pass through the connecting holes 231 on the connecting member 230 and the fixing member 210 to fix the connecting member 230 to the fixing member 210. The connecting piece 230 and the adjusting piece 220 are respectively provided with a through hole and an adjusting hole 221 at the corresponding positions, and the adjusting screw 234 sequentially passes through the through hole on the connecting piece 230 and the adjusting hole 221 on the adjusting piece 220 to connect the connecting piece 230 and the adjusting piece 220 together, wherein the adjusting hole 221 is a threaded hole matched with a threaded section on the adjusting screw 234. As shown in fig. 5, in this embodiment, the adjusting screw 234 is screwed into the through hole, so as to press the adjusting member 220 inwards, and further push the spliced bed 120 upwards or downwards, so as to adjust the height position of the spliced bed 120.
In this embodiment, the key slot 140 is a U-shaped slot, the height dimension of the receiving section 212 is matched with the dimension of the U-shaped opening of the key slot 140, i.e. as shown in fig. 3, the upper and lower ends of the receiving section 212 extend to the upper and lower ends of the U-shaped opening of the key slot 140, so as to avoid the vertical offset of the receiving section 212 in the key slot 140. As shown in fig. 6, in this embodiment, the width of the adjusting member 220 and the width of the matching section 211 are both consistent with the width of the receiving section 212, and the width of the receiving section 212 is the same as the width of the key slot 140, i.e. the adjusting member 220 is completely supported by the receiving section 212, so as to ensure the running stability of the adjusting member 220 on the receiving section 212. As shown in fig. 7, in this embodiment, the fixing member 210 is provided with a mounting hole 213 and a fixing hole at a position corresponding to the key slot 140 of the common lathe bed 110, the mounting hole 213 penetrates through the sum of the thicknesses of the mating section 211 and the receiving section 212, and the fixing bolt sequentially penetrates through the mounting hole 213 and the fixing hole and fixes the fixing member 210 in the key slot 140 of the common lathe bed 110.
Referring to fig. 9-13, in the spliced bed system of the high-rigidity gantry machining center of this embodiment, a pair of guide rails 300 are symmetrically disposed at corresponding positions on two sides of the top surface width direction of the common bed 110 and the spliced bed 120, the guide rails 300 extend along the length direction of the bed, the span between the guide rails 330 on two sides is increased, which is more favorable for the rapid movement of the machine tool, and has good stability and small vibration. When the common lathe bed 110 and the spliced lathe bed 120 are successfully spliced, the guide rail 300 on the common lathe bed 110 and the guide rail 300 on the spliced lathe bed 120 are spliced together to form a pair of complete guide rails 300 on the gantry machining center lathe bed, and collecting grooves 350 are formed on the opposite outer sides of the guide rails 300, specifically, in this embodiment, collecting grooves 350 are formed on the common lathe bed 110 and the spliced lathe bed 120, wherein the collecting grooves 350 are in a U-shaped structure, the collecting grooves 350 comprise symmetrically arranged two side collecting grooves 350, the two side collecting grooves 350 on the common lathe bed 110 and the spliced lathe bed 120 are spliced together, the two side collecting grooves 350 extend along the length direction of the guide rail 300, one side, away from the spliced position, of the two side collecting grooves 350 is communicated through the middle collecting groove 350, the two side collecting grooves 350 and the middle collecting groove 350 jointly form a collecting groove 350 in a U-shaped structure, and the collecting grooves 350 on the common lathe bed 110 and the spliced lathe bed 120 jointly form a complete reverse-shaped groove body structure. When the milling machine works, the collecting groove 350 can guide and collect lubricating oil and cooling liquid on the guide rail 300 in an omnibearing manner, so that the lubricating oil and the cooling liquid are prevented from splashing everywhere, and the machining precision and the working environment sanitation of the milling machine are ensured.
In this embodiment, the two sides of the length direction of the common lathe bed 110 are respectively provided with a motor mounting seat 320 and a bearing mounting seat 330, and a connecting shank 340 is connected between the motor mounting seat 320 and the bearing mounting seat 330, specifically, as shown in fig. 1 and fig. 2, the left and right sides of the center of the common lathe bed 110 in this embodiment are respectively provided with two motor mounting seats 320 and two bearing mounting seats 330, the motor mounting seats 320 and the bearing mounting seats 330 are respectively used for mounting a motor seat and a bearing seat, and a pair of motor mounting seats 320 and bearing mounting seats 330 at corresponding positions are connected through the connecting shank 340.
As shown in fig. 11 and 12, in this embodiment, a-shaped shin plates 112 are symmetrically arranged on both sides of the common lathe bed 110 and the spliced lathe bed 120 along the width direction, and an inverted right trapezoid-shaped shin plate 113 is arranged between the a-shaped shin plates 112 on both sides. The double A-shaped shank structures are combined into a pair of large A-shaped composite structures, the bending resistance is strong, and the integral rigidity strength of the machine tool body 100 can be effectively improved. In this embodiment, a plurality of rectangular shin plates 114 are disposed in the common lathe bed 110 and the spliced lathe bed 120 at intervals along the length direction, and the rectangular shin plates 114 can further enhance the overall rigidity strength of the interior of the lathe bed. The triangular shank 115 is further disposed between the bottom of the middle collecting tank 160 and the lower bed, and the triangular shank 115 can effectively improve the installation stability and rigidity of the middle collecting tank 350, which is helpful for improving the overall rigidity of the bed.
Example 2
The basic structure of the spliced lathe bed system of the high-rigidity gantry machining center of the embodiment is as in embodiment 1, and further, in the embodiment, the spliced installation surface 121 is provided with the sealing groove 122, and the sealing groove 122 is internally provided with the sealing ring, so that the sealing performance of the joint surface can be effectively improved, the stability of the joint surface at the spliced position is ensured, and further, the guarantee is provided for the subsequent machining precision.
As shown in fig. 2, in this embodiment, the two sides of the common lathe bed 110 and the spliced lathe bed 120, which are close to the width direction of the spliced portion, are provided with oil-blocking grooves 130, and the oil-blocking grooves 130 can guide the lubricating oil on the wire rail into the oil-draining grooves on the lathe bed, so that the oil-water permeation can be effectively prevented from affecting the stability of the joint surface, and the oil-water permeation can be prevented from reaching the ground, thereby causing environmental pollution.
Referring to fig. 1 and 2, in this embodiment, more than one group of upright post fixing surfaces 101 are provided on a common lathe bed 110, and more than one group of bearing seat fixing surfaces 102 are provided on the common lathe bed 110, the number of upright post fixing surfaces 101 is consistent with the number of bearing seat fixing surfaces 102, and multiple groups of bearing seat fixing surfaces 102 and upright post fixing surfaces 101 are reserved on the common lathe bed 110, so that the splicing of lathes of different models is facilitated, and the application range is wider.
In this embodiment, multiple sets of upright supports 310 are disposed on two sides of the common lathe bed 110 in the width direction along the length direction of the lathe bed at intervals, the top of the upright support 310 is an upright fixing surface 101, and a plurality of connection screw holes 311 are formed in the upright fixing surface 101, and the plurality of connection screw holes 311 form a U-shaped structure. The wide upright post joint surface can effectively enhance the contact rigidity with the upright post, improve the Z-axis running stability, simultaneously, the U-shaped screws are arranged, the stress of the joint surface can be effectively reduced, the fastening force of the joint surface is enhanced, and the integral rigidity strength of the machine tool body is further improved.
Referring to fig. 9 and 13, in this embodiment, a side of the bottom of the column support 310 near the guide rail 300 is provided with an inclined section extending obliquely downward and outward, and an included angle between the inclined section and a vertical line is a range of 120 ° -150 °. Specifically, α in this embodiment is 120 °. The upright support 310 is in a shoe-shaped structure, which can reduce the forward tilting trend of the upright and improve the vertical stability of the z axis.
Example 3
The basic structure of the spliced bed system of the high-rigidity gantry machining center of the embodiment is as in embodiment 2, and further, in the embodiment, a plurality of metal plate bonding surfaces 360 are arranged on the side wall of the base, close to the guide rail 300, in the collecting tank 350, and the metal plate bonding surfaces 360 are used for being connected with a metal protection shell, so that the guide rail 300 can be wrapped on the inner side, the metal plate bonding surfaces 300 at the bottom of the guide rail 300 are changed into the inner side, the water seepage and leakage phenomena are avoided, the water resistance of a machine tool is improved, and the cleaning of the working ground of a user is improved.
In this embodiment, the bottom of the common bed 110 is provided with a plurality of anchor bolts 103, and the plurality of anchor bolts 103 are more convenient for horizontal adjustment and more stable for support.
In this embodiment, an inclined section extending obliquely outwards and downwards is disposed at one side of the bottom of the pillar support 310 near the guide rail 300, and an included angle α between the inclined section and the vertical line is 135 °.
Example 4
The basic structure of the spliced bed system of the high-rigidity gantry machining center in this embodiment is as in embodiment 3, and is different in that an inclined section extending outwards and downwards in an inclined manner is disposed at one side of the bottom of the upright post support 310, which is close to the guide rail 300, and an included angle alpha between the inclined section and a vertical line is 150 °.
The invention and its embodiments have been described above by way of illustration and not limitation, and the invention is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present invention.
Claims (1)
1. The utility model provides a concatenation formula lathe bed system of high rigidity longmen machining center which characterized in that: the combined type split-joint machine tool comprises a common machine tool body (110) and a split-joint machine tool body (120), wherein the common machine tool body (110) adopts uniform sizes, the split-joint machine tool body (120) adopts different length sizes, motor mounting seats (320) and bearing mounting seats (330) are respectively arranged on two sides of the common machine tool body (110) in the length direction, and a connecting shank plate (340) is connected between the motor mounting seats (320) and the bearing mounting seats (330); wherein the public lathe bed (110) and the spliced lathe bed (120) are connected through connecting screws, key grooves (140) are respectively arranged at positions corresponding to two side walls of the joint surface of the spliced part of the public lathe bed (110) and the spliced lathe bed (120), the key grooves (140) extend along the width direction of the machine body, and inclined key combinations (200) for adjusting the height positions of the spliced machine bodies (120) are connected in the two key grooves (140); Key grooves (140) are formed in positions corresponding to the width centers of the joint surfaces of the joint parts of the public lathe bed (110) and the spliced lathe bed (120), the key grooves (140) extend along the height direction of the lathe bed, and inclined key combinations (200) for adjusting the horizontal positions of the spliced lathe bed (120) are connected in the two key grooves (140); The inclined key combination (200) comprises a fixing piece (210) arranged in a key groove (140) of the public lathe bed (110), the fixing piece (210) comprises a bearing section (212) embedded in the key groove (140), a matching section (211) is arranged at the center position of one side of the bearing section (212) far away from the public lathe bed (110), inclined surfaces symmetrically arranged on the upper side and the lower side of the matching section (211), matched adjusting pieces (220) are arranged on the upper inclined surface and the lower inclined surface of the matching section (211), the adjusting pieces (220) and the matching section (211) are combined and then embedded in the key groove (140) of the spliced lathe bed (120) jointly, the key groove (140) is a U-shaped groove, the height of the bearing section (212) is matched with the size of the U-shaped opening of the key groove (140), the upper end and the lower end of the bearing section (212) extend to the upper end and the lower end of the U-shaped opening of the key groove (140), and the bearing section (212) is prevented from being deviated up and down in the key groove (140); The width of the adjusting piece (220) and the width of the matching section (211) are consistent with the width of the bearing section (212), the width of the bearing section (212) is the same as the width of the key groove (140), and the adjusting piece (220) is completely supported by the bearing section (212); the fixing piece (210) is provided with a mounting hole (213) and a fixing hole at positions corresponding to the key groove (140) of the public lathe bed (110), the mounting hole (213) penetrates through the sum of the thicknesses of the matching section (211) and the bearing section (212), and the fixing bolt sequentially penetrates through the mounting hole (213) and the fixing hole and fixes the fixing piece (210) in the key groove (140) of the public lathe bed (110); The outer sides of the fixing piece (210) and the adjusting piece (220) are connected with a connecting piece (230), the connecting piece (230) comprises a connecting section (232), and an abutting section (233) for abutting against the outer side end surface of the fixing piece (210) is arranged on the inner side of the connecting section (232);
Connecting holes (231) are formed in positions of the connecting piece (230) corresponding to the fixing piece (210), and connecting screws sequentially penetrate through the connecting holes (231) in the connecting piece (230) and the fixing piece (210) to fix the connecting piece (230) on the fixing piece (210);
The corresponding positions of the connecting piece (230) and the adjusting piece (220) are provided with adjusting holes (221), and the adjusting screw (234) sequentially penetrates through the adjusting holes (221) on the connecting piece (230) and the adjusting piece (220) to connect the connecting piece (230) and the adjusting piece (220) together; the two corresponding positions of the top surface width direction of the common lathe bed (110) and the spliced lathe bed (120) are symmetrically provided with a pair of guide rails (300), the guide rails (300) extend along the length direction of the lathe bed, and the opposite outer sides of the guide rails (300) are provided with collecting grooves (350); the collecting tank (350) is of a U-shaped structure, the collecting tank (350) comprises symmetrically arranged collecting tanks (350) with two sides, wherein the collecting tanks (110) with the two sides (350) on the spliced bed (120) are spliced together, the collecting tanks (350) with the two sides extend along the length direction of the guide rail (300), one side, far away from the spliced position, of the collecting tank (350) is communicated with the other side through the middle collecting tank (350), the collecting tanks (350) with the two sides and the middle collecting tank (350) jointly form the collecting tank (350) with the U-shaped structure, and the collecting tanks (350) with the public bed (110) and the spliced bed (120) jointly form a complete reverse-character-shaped tank structure; a plurality of metal plate bonding surfaces (360) are arranged on the side wall of the base, close to the guide rail (300), in the collecting groove (350), and the metal plate bonding surfaces (360) are used for being connected with a metal protection shell and can wrap the guide rail (300) on the inner side;
the joint surface of the joint part of the common lathe bed (110) and the joint lathe bed (120) is a common mounting surface (111) and a joint mounting surface (121), a sealing groove (122) is formed in the joint mounting surface (121), and a sealing ring is arranged in the sealing groove (122); the two sides of the common lathe bed (110) and the spliced lathe bed (120) close to the width direction of the spliced part are respectively provided with an oil blocking groove (130); an A-shaped shin plate (112) is symmetrically arranged at two sides of the common lathe bed (110) and the spliced lathe bed (120) along the width direction, and a trapezoid shin plate (113) is arranged between the A-shaped shin plates (112) at two sides; a plurality of rectangular shin plates (114) are arranged in the common lathe bed (110) and the spliced lathe bed (120) at intervals along the length direction, and a triangular shin plate (115) is also arranged between the bottom of the collecting tank (350) and the lathe bed below.
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| CN114211026B (en) * | 2022-01-08 | 2023-04-28 | 惠州市友成精密科技有限公司 | Double-end numerical control horizontal processing equipment |
| CN115229518A (en) * | 2022-07-28 | 2022-10-25 | 江苏普拉迪数控科技有限公司 | Splicing lathe bed suitable for large span, long stroke and high rigidity |
| CN117817753A (en) * | 2024-03-05 | 2024-04-05 | 山东华滋自动化技术股份有限公司 | Modular die-cutting machine base assembly |
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| JP4815896B2 (en) * | 2005-06-29 | 2011-11-16 | ブラザー工業株式会社 | Machine Tools |
| CN101559561A (en) * | 2009-04-24 | 2009-10-21 | 无锡桥联数控机床有限公司 | Bed splicing positioning key of machining center |
| CN202344234U (en) * | 2011-12-13 | 2012-07-25 | 纽威数控装备（苏州）有限公司 | High-rigidity compact machine tool base structure |
| CN202491074U (en) * | 2012-01-30 | 2012-10-17 | 福建省威诺数控有限公司 | Connecting-face sealing structure for machine tool splicing |
| CN203380612U (en) * | 2013-06-30 | 2014-01-08 | 浙江华特数控机床有限公司 | Numerical control machine tool |
| CN104325299A (en) * | 2013-11-12 | 2015-02-04 | 柳州正菱重型数控机床有限公司 | Lathe bed connecting device |
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