CN211465667U - Vertical machining center machine for fixed column - Google Patents

Abstract

The utility model discloses a vertical machining center of stilt machine belongs to machining center technical field. The utility model provides a vertical machining center of fixed post machine, including the organism that has the base, base top is by supreme slip table and the workstation of being equipped with in proper order down, the mounting groove has all been seted up to base and slip table upper end, all be equipped with the lead screw in two mounting grooves, workstation and slip table bottom all are connected with the drive seat, it is fixed mutually with the lead screw to drive the seat, base and slip table upper end all are connected with the gib block, workstation and slip table bottom all are connected with the slider of two symmetries, slider and gib block sliding connection, both ends all set firmly the clearance subassembly that is used for clearing up piece impurity on the gib block about the slider, can make produced piece impurity be difficult for dropping to the gib block or dropping to the slip position department of slider and gib block in the work piece course of working, and then make the removal operation of workstation or slip table go on.

Description

A fixed column vertical machining center

technical field

The utility model relates to the technical field of machining centers, in particular to a fixed-column vertical machining center machine.

Background technique

A company in Jiangxi Province has disclosed "A New Type of Vertical Machining Center Machine" with the patent number CN109079522A, a new type of vertical machining center machine, including a base and a column, and a sliding seat is arranged on the side of the column; A first lead screw, a first lead screw nut and a first guide strip, the first guide strip is slidably provided with a slide table fixedly connected with the first lead screw nut; the top wall of the slide platform is provided with a first installation groove, the first installation groove The inner frame is provided with a second lead screw and a second lead screw nut, the tops of the two side walls of the first installation groove are provided with second guide strips, and a workbench fixedly connected with the second lead screw nut is slidably arranged on the two second guide strips; A third lead screw, a third lead screw nut and a third guide strip are arranged on the side of the upright column, and the sliding seat fixedly connected with the third lead screw nut is slidably arranged on the two third guide strips; the first lead screw, the second lead screw Both the lead screw and the third lead screw are hollow oil-cooled lead screws; their design is reasonable, significantly improves the overall structural rigidity, and meets the requirements of high-speed processing; the self-cooling lead screw is used to effectively prevent the lead screw from heating and deforming, ensuring Precision.

When the above-mentioned patent processes the workpiece on the worktable, the debris generated during the processing is easy to splash around. When the debris and impurities fall on the guide bar and then fall into the sliding part between the guide bar and the slider, Debris and impurities can easily hinder the movement of the slider on the guide bar, which is not conducive to the normal moving operation of the worktable. After long-term use, the slider and the guide bar are prone to wear and tear, and the service life is reduced.

Utility model content

1. technical problem to be solved

In view of the problems existing in the prior art, the purpose of this utility model is to provide a fixed-column vertical machining center, which can prevent the debris and impurities generated during the machining of the workpiece from falling onto the guide bar or to the At the sliding part of the slider and the guide bar, the moving operation of the table or the sliding table can be smoothly carried out, so that the machining process of the workpiece can be carried out in an orderly manner.

2. Technical solutions

In order to solve the above problems, the present invention adopts the following technical solutions.

A fixed-column vertical machining center includes a body with a base, a slide table and a worktable are sequentially arranged above the base from bottom to top, and installation grooves are provided at the upper ends of the base and the slide table, and two of the A lead screw is installed in the installation groove, a drive seat is connected to the bottom end of the worktable and the slide table, the drive seat is fixed with the lead screw, and a guide strip is connected to the base and the upper end of the slide table, and the work The bottom end of the table and the sliding table are connected with two symmetrical sliders, the sliders are slidably connected with the guide bars, and the left and right ends of the sliders are fixed with cleaning components for cleaning debris and impurities on the guide bars. A blowing component connected to the slider for blowing off debris and impurities on the guide bar is fixed in the installation groove. Chips and impurities are not easy to fall on the guide bar or to the sliding part of the slider and the guide bar, so that the moving operation of the worktable or the sliding table can be smoothly carried out, and the machining process of the workpiece can be carried out in an orderly manner.

Further, the bottom end of the slider is drilled with a matching groove, the matching groove is matched with the guide strip, the left and right inner walls of the matching groove close to the bottom are fixed with limit protrusions, and the guide strip is close to the middle part. Limiting grooves are drilled on the left and right ends of the locator, the limiting protrusions are matched with the limiting grooves, the cleaning assembly is located on the upper side of the matching grooves, and the lead screw drives the drive base and the slide table to move or move on the base. When driving the drive base and the worktable to move on the sliding table, the sliding table can only slide along the guide The sliding table slides along the guide bar, and the slider at the lower end of the sliding table is not easy to leave the base or the lower end of the worktable in the vertical direction from the guide bar.

Further, the limit slot is an open C-shaped structure, and the upper and lower inner walls of the limit slot are provided with symmetrical inclined surfaces (the upper inner wall is inclined in the upper right direction relative to the vertical surface of the inner wall of the middle part, and the lower inner wall is inclined in the upper right direction. Relative to the vertical surface of the inner wall of the middle part, the inner wall of the middle part is inclined in the lower right direction), the inner wall of the middle part of the limit groove is arranged in a vertical plane, and the limit protrusion is a C-shaped structure that matches the limit groove. When the debris generated during the processing of the workpiece enters the coordination groove and the guide strip through the gap between the coordination groove and the guide strip, the debris and impurities are easy to slide down the inclined surface under the special inclined direction set on the inner wall of the limit groove. Therefore, it is not easy to be blocked between the coordination groove and the guide strip, and it is difficult to affect the movement of the coordination groove on the guide strip.

Further, the left and right inner walls of the matching groove are provided with guide grooves, and the left and right outer ends of the guide strip are provided with guide surfaces. The guide grooves are matched with the guide surfaces. The frictional resistance between the position groove and the guide strip is reduced. On the other hand, when the air blowing assembly is working, when the fine debris impurities enter the upper gap between the coordination groove and the guide strip, the fine debris impurities are It is easy to slide down along the guide groove and the guide surface under the movement of the coordination groove and the effect of air blowing.

Further, the cleaning assembly includes a mounting plate fixed on the side end of the slider, a cotton wiping cloth and a brush group respectively bonded to the lower end of the mounting plate, the cotton wiping cloth is located on the left side of the brush group, the guide strip and the The slider is in contact with the left end and the lower end of the wiping cotton cloth, respectively, and the brush group is in contact with the guide strip. When there are residual debris and impurities on the guide strip, the slider moves on the guide strip, and the cleaning components are optimized. When the slider moves, the debris and impurities remaining on the guide bar are cleaned in advance. The brush group cleans the debris and impurities, and the wiping cotton cloth cleans or adsorbs the debris and impurities that are easy to adhere.

Further, the transverse cross-sectional lengths of the mounting plate, the cotton wiping cloth and the brush group are all greater than the width of the upper end of the guide strip, so that the brush group and the cotton wiping cloth can more comprehensively and effectively clean the debris and impurities that may remain on the guide strip.

Further, the air blowing assembly includes a pair of micro air pumps fixed in the installation groove and two symmetrical air supply hoses (length enough to move the slider on the guide bar to the farthest) respectively fixed on the pair of micro air pumps. position), the left and right ends of the slider are fixed with an air outlet pipe (the air outlet pipe is made of hard material), and the end of the air supply hose away from the micro air pump runs through the inside of the slider and is connected with one of the air outlet pipes. When the lead screw starts to move, the controller controls the micro air pump to start synchronously (when the lead screw is displaced to the left, the controller controls the left micro air pump to start, and when the lead screw is displaced to the right, the controller controls the right After the micro air pump is started, it will blow air into the two micro air pumps at the same time.

Further, the air outlet pipe is located on the upper side of the installation plate, and the horizontal distance between the right end of the installation plate and the air outlet pipe is 1-4 cm, and the vertical distance between the air outlet pipe and the guide strip is 2-3 cm, so that the The air outlet pipe has a certain distance from the guide strip and the mounting plate, so that the debris and impurities on the guide strip can be better blown off, and after the blowing operation, the brush group and the wiping cotton cloth can better remove the residues. Debris and impurities are cleaned.

Further, the air outlet pipe is clamped with a filter screen (not shown) near the opening of the guide bar, so that when the air outlet pipe blows up the debris and impurities on the guide bar, the debris and impurities are not easy to flow back into the air outlet pipe.

Further, two pairs of magnet plates are connected to the base and the upper end of the sliding table, and each pair of the magnet plates is symmetrical with respect to the guide bar. Impurities can be adsorbed on the magnet plate, which can better concentrate the debris impurities.

3. beneficial effect

Compared with the prior art, the advantages of the present utility model are:

(1) This solution can make it difficult for the debris and impurities generated during the processing of the workpiece to fall on the guide bar or to the sliding part of the slider and the guide bar, so that the moving operation of the worktable or the sliding table can be carried out smoothly. , so that the machining process of the workpiece is carried out in an orderly manner.

(2) The bottom end of the slider is drilled with a matching groove, which matches the guide strip. The left and right inner walls of the matching groove near the bottom are fixed with limit protrusions, and the guide strip is close to the middle part on the left and right sides. The limit grooves are cut out, the limit protrusions match the limit grooves, the cleaning component is located on the upper side of the matching groove, and the lead screw drives the drive base and the slide table to move on the base or drives the drive base and the worktable to move on the slide table. When moving, the sliding table can only slide along the guide bar on the base or the worktable can only slide along the guide bar on the sliding table through the matching effect of the matching groove and the guide bar and the limit protrusion and the limit groove, and then The sliding block at the lower end of the sliding table is not easy to leave the base in the vertical direction or the sliding block at the lower end of the working table is not easy to leave the guide bar in the vertical direction.

(3) The limit slot is an open C-shaped structure, and the upper and lower inner walls of the limit slot are provided with symmetrical inclined surfaces (the upper inner wall is inclined in the upper right direction relative to the vertical surface of the inner wall of the middle part, and the lower inner wall is relative to the The vertical surface of the inner wall of the middle part is inclined in the lower right direction), the inner wall of the middle part of the limit groove is arranged in a vertical plane, and the limit protrusion is a C-shaped structure matching the limit groove. When the debris enters the coordination groove and the guide strip through the gap between the coordination groove and the guide strip, the debris and impurities are easy to slide down the inclined surface under the special inclined direction set on the inner wall of the limit groove, and then it is not easy to be blocked in the matching groove. Between the position groove and the guide strip, it is not easy to influence the movement of the position groove on the guide strip.

(4) The left and right inner walls of the coordination groove near the upper part are provided with guide grooves, and the left and right outer ends of the guide strip near the upper part are provided with guide surfaces. The guide grooves match the guide surfaces. On the other hand, when the air blowing assembly is working, when the fine debris impurities enter the upper gap between the coordination groove and the guide bar, the movement of the fine debris impurities in the coordination groove It is easy to slide down along the guide groove and guide surface under the action of blowing air.

(5) The cleaning assembly includes a mounting plate fixed on the side end of the slider, and a cotton wiping cloth and a brush group respectively bonded to the lower end of the mounting plate. The cotton wiping cloth is located on the left side of the brush group. The left end and the lower end of the slider are in contact, and the brush group is in contact with the guide strip. When there are residual debris and impurities on the guide strip, during the process of the slider moving on the guide strip, the cleaning component is better than the slider movement, and the residual debris is removed in advance. The debris and impurities on the guide strip are cleaned, the brush group is used to clean the debris and impurities, and the wiping cotton cloth is used to clean or adsorb the debris and impurities that are easy to adhere.

(6) The transverse section lengths of the mounting plate, the wiping cotton cloth and the brush group are all larger than the width of the upper end of the guide strip, so that the brush group and the wiping cotton cloth can more comprehensively and effectively clean the debris and impurities that may remain on the guide strip.

(7) The air blowing assembly includes a pair of micro air pumps fixed in the installation groove and two symmetrical air supply hoses (length enough for the slider to move to the farthest position on the guide bar) respectively fixed on the pair of micro air pumps. , the left and right ends of the slider are fixed with an air outlet pipe (the air outlet pipe is made of hard material). During operation, the controller controls the micro air pump to start synchronously (when the lead screw is displaced to the left, the controller controls the left micro air pump to start, and when the lead screw is displaced to the right, the controller controls the right micro air pump to start), After the micro air pump is started, the air blowing operation is carried out into the two micro air pumps at the same time, and the air is sprayed to the surface of the guide strip through the air outlet pipe to blow out the debris and impurities.

(8) The air outlet pipe is located on the upper side of the installation plate, and the horizontal distance between the right end of the installation plate and the air outlet pipe is 1-4cm, and the vertical distance between the air outlet pipe and the guide strip is 2-3cm, so that the air outlet pipe distance guides There is a certain distance between the strip and the mounting plate, so that the debris and impurities on the guide strip can be better blown off, and after the blow-off operation, the brush group and the wiping cotton cloth can better clean the residual debris and impurities. clean up.

(9) A filter screen (not shown) is attached to the air outlet pipe near the opening of the guide bar, so that when the air outlet pipe blows up the debris and impurities on the guide bar, the debris and impurities are not easy to return to the air outlet pipe.

(10) Two pairs of magnet plates are connected to the base and the upper end of the sliding table. Each pair of magnet plates is symmetrical about the guide bar. When the workpiece processed on the worktable is an iron-containing workpiece, the debris and impurities generated during the processing can be adsorbed. On the magnet plate, the debris and impurities can be better processed in a centralized manner.

Description of drawings

Fig. 1 is the front three-dimensional structure schematic diagram of the utility model;

Fig. 2 is the three-dimensional structure schematic diagram of the sliding table and the slider part of the utility model;

Fig. 3 is the structural representation at A place in Fig. 2;

4 is a schematic top view of the sliding table, the slider and the air blowing assembly part of the present invention;

Fig. 5 is the three-dimensional structure schematic diagram of the guide strip part of the present invention;

6 is a schematic three-dimensional structure diagram of a slider part of the present invention;

FIG. 7 is a schematic view of the bottom view of the slider part of the present invention.

Description of the labels in the figure:

1 Base, 2 Worktable, 3 Slider, 31 Coordination Slot, 32 Limit Protrusion, 33 Guide Slot, 4 Guide Strip, 41 Limit Slot, 42 Guide Surface, 5 Slide Table, 51 Magnet Plate, 61 Mounting Plate , 62 wiping cotton cloth, 63 brush group, 71 micro air pump, 72 air supply hose, 73 air outlet pipe, 8 installation groove.

Detailed ways

The following will be combined with the accompanying drawings in the embodiments of the present utility model; the technical solutions in the embodiments of the present utility model will be described clearly and completely; obviously; the described embodiments are only a part of the embodiments of the present utility model; rather than all the implementations For example, based on the embodiments of the present invention; all other embodiments obtained by persons of ordinary skill in the art without creative work; all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "top/bottom", etc. is based on the drawings shown in the drawings. The orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limit. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installation", "provided with", "sleeve/connection", "connection", etc., should be understood in a broad sense, such as "Connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be two elements Internal connectivity. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Please refer to a fixed-column vertical machining center as shown in Fig. 1-7. It includes a body with a base 1. A sliding table 5 and a worktable 2 are arranged above the base 1 in order from bottom to top. The upper ends of the base 1 and the sliding table 5 Both are provided with installation slots 8, and two installation slots 8 are provided with lead screws. Both the base 1 and the upper ends of the slide table 5 are connected (through locking screws) with two pairs of magnet plates 51. Each pair of magnet plates 51 is about the guide bar 4 Symmetrically, when the workpiece processed on the worktable 2 is an iron-containing workpiece, the debris and impurities generated during the machining process can be adsorbed on the magnet plate 51, so that the debris and impurities can be better concentrated.

The bottom ends of the table 2 and the slide table 5 are connected with a drive seat (by locking screws), and the drive seat is fixed with the lead screw. The two guide bars 4 on 1 are symmetrical with respect to the installation groove 8 on the base 1, the two guide bars 4 on the slide table 5 are symmetrical with respect to the installation groove 8 on the slide table 5, and the bottom ends of the table 2 and the slide table 5 are ( There are two symmetrical sliding blocks 3 connected by locking screws), and the sliding blocks 3 are slidably connected with the guide bar 4.

The bottom end of the slider 3 is drilled with a matching groove 31, and the matching groove 31 is matched with the guide strip 4. The left and right inner walls of the matching groove 31 close to the bottom are fixed with limit protrusions 32, and the guide strip 4 is close to the middle part. Limiting grooves 41 are drilled at the left and right ends, the limiting protrusions 32 are matched with the limiting grooves 41, the cleaning assembly is located on the upper side of the matching grooves 31, and the lead screw drives the drive seat and the sliding table 5 to move on the base 1 or When driving the drive base and the worktable 2 to move on the sliding table 5, the sliding table 5 can only move on the upper edge of the base 1 through the matching effect of the matching groove 31 and the guide bar 4 and the limiting protrusion 32 and the limiting groove 41. The guide bar 4 slides or the worktable 2 can only slide along the guide bar 4 on the slide table 5, and the slide block 3 at the lower end of the slide table 5 is not easy to leave the base 1 or the slide block 3 at the lower end of the work table 2 in the vertical direction. Vertically away from the guide bar 4 .

The limit slot 41 is an open C-shaped structure, and the upper and lower inner walls of the limit slot 41 are provided with symmetrical inclined surfaces (the upper inner wall is inclined in the upper right direction relative to the vertical surface of the inner wall of the middle part, and the lower inner wall is relative to the middle. The vertical surface of the inner wall of the part is inclined in the lower right direction), the inner wall of the middle part of the limit groove 41 is arranged in a vertical plane, and the limit protrusion 32 is a C-shaped structure matching the limit groove 41. When the generated debris enters the coordination groove 31 and the guide bar 4 through the gap between the coordination groove 31 and the guide bar 4, the debris and impurities are easy to slide along the inclined surface under the special inclined direction set on the inner wall of the limiting groove 41. Therefore, it is not easy to be blocked between the alignment grooves 31 and the guide bars 4 , and the movement of the alignment grooves 31 on the guide bars 4 is not easily affected.

The left and right inner walls of the coordination groove 31 near the upper part are provided with guide grooves 33, and the left and right outer ends of the guide strip 4 near the upper part are provided with guide surfaces 42. The frictional resistance between 31 and the guide bar 4 is reduced. On the other hand, when the air blowing assembly works, fine debris and impurities enter the upper gap between the coordination groove 31 and the guide bar 4, and the fine debris The impurities tend to slide down along the guide groove 33 and the guide surface 42 under the movement of the coordination groove 31 and the blowing effect.

The left and right ends of the slider 3 are fixed with cleaning components for cleaning debris and impurities on the guide bar 4. The cleaning components include a mounting plate 61 fixed on the side end of the slider 3 and a wiping cotton cloth 62 respectively bonded to the lower end of the mounting plate 61. And the brush group 63, the wiping cotton cloth 62 is located on the left side of the brush group 63, the guide strip 4 and the slider 3 are respectively in contact with the left end and the lower end of the wiping cotton cloth 62, and the brush group 63 is in contact with the guide strip 4. When there are debris and impurities remaining on the guide bar 4, the cleaning component is better than the slider 3 during the movement of the slider 3 on the guide bar 4. The debris and impurities remaining on the guide bar 4 are cleaned in advance. The group 63 cleans the debris and impurities, and the wiping cotton cloth 62 cleans or adsorbs the debris and impurities that are easily adhered.

The transverse cross-sectional lengths of the mounting plate 61 , the wiping cotton cloth 62 and the brush group 63 are all greater than the width of the upper end of the guide bar 4 , so that the brush group 63 and the wiping cotton cloth 62 can more comprehensively and effectively remove debris and impurities that may remain on the guide bar 4 . clean up.

The installation groove 8 is fixed with a blowing component connected to the slider 3 for blowing off debris and impurities on the guide bar 4. The blowing component is located on the lower side of the lead screw. A pair of micro air pumps 71 (the micro air pump 71 operates at a lower power, thereby making the gas blown out through the air outlet pipe 73 more stable, the air flow is small, and it is not easy for debris and impurities to float around) and are respectively fixed in a pair of micro air pumps. Two symmetrical air supply hoses 72 on the 71 (the length of the air supply hose 72 is long enough for the slider 3 to move to the farthest position on the guide bar 4), and the left and right ends of the slider 3 are fixed with an air outlet pipe 73 (the air outlet pipe 73 is hard material), the end of the air supply hose 72 away from the micro air pump 71 penetrates the inside of the slider 3 and is connected with one of the air outlet pipes 73. When the worktable starts to move, that is, the screw starts to operate, the controller controls the micro air pump 71 to start synchronously ( When the lead screw is displaced to the left, the controller controls the left micro air pump 71 to start, and when the lead screw is displaced to the right, the controller controls the right micro air pump 71 to start). The air blowing operation is performed in each micro air pump 71, and the air is sprayed to the surface of the guide bar 4 through the air outlet pipe 73, and the debris and impurities are blown away.

The air outlet pipe 73 is located on the upper side of the mounting plate 61, and the horizontal distance between the right end of the mounting plate 61 and the air outlet pipe 73 is 1 cm, and the vertical distance between the air outlet pipe 73 and the guide bar 4 is 2 cm, so that the air outlet pipe 73 is guided from a distance There is a certain distance between the strip 4 and the mounting plate 61, so that the debris and impurities on the guide strip 4 can be better blown off, and after the blowing operation, the brush group 63 and the wiping cotton cloth 62 can be better aligned. Residual debris and impurities are cleaned.

A filter screen (not shown) is clipped on the air outlet pipe 73 near the opening of the guide bar 4 , so that when the air outlet pipe 73 blows up debris and impurities on the guide bar 4 , the debris and impurities are not easy to flow back into the air outlet pipe 73 .

When the slide table 5 moves on the base 1 or the worktable 2 moves on the slide table 5, the air blowing component starts synchronously with the lead screw to blow off the debris and impurities that may fall on the guide bar 4 during the processing of the workpiece. During the movement of the block 3, the cleaning component pre-cleans the debris and impurities that may still remain that have not been blown away, so that the slider 3 is not easily hindered by debris and impurities during the movement process and affects its sliding. At the same time, the limit convex The special inclined surface setting of the lift 32 and the limit groove 41 makes it difficult for debris and impurities to remain in the coordination groove 31 and the guide bar 4, so that the debris and impurities generated during the processing of the workpiece are not easy to fall on the guide bar 4 or fall. To the sliding part of the slider 3 and the guide bar 4, the moving operation of the table 2 or the sliding table 5 can be smoothly carried out, and the machining process of the workpiece can be carried out in an orderly manner.

The above is only a preferred embodiment of the present utility model; but the protection scope of the present utility model is not limited to this; any person skilled in the art is within the technical scope disclosed by the present utility model; according to the present utility model The new technical solutions and their improved ideas are equivalently replaced or changed; all should be covered within the protection scope of the present invention.

Claims (10)

1. A fixed-column vertical machining center machine, comprising a body with a base (1), and a sliding table (5) and a workbench (2) are sequentially provided above the base (1) from bottom to top. (1) and the upper end of the sliding table (5) are provided with installation grooves (8), both of the installation grooves (8) are provided with lead screws, and the bottom ends of the work table (2) and the sliding table (5) Both are connected with a driving seat, and the driving seat is fixed with the lead screw. The bottom end of the sliding table (5) is connected with two symmetrical sliding blocks (3), the sliding blocks (3) are slidably connected with the guide bars (4), and the left and right ends of the sliding block (3) are fixed for use A cleaning assembly for cleaning debris and impurities on the guide bar (4), the installation groove (8) is fixed with a blower connected to the slider (3) for blowing off debris and impurities on the guide bar (4). The air component is located on the lower side of the lead screw. 2. A fixed-column vertical machining center machine according to claim 1, characterized in that: the bottom end of the slider (3) is drilled with a coordination groove (31), the coordination groove (31) and the guide bar (4) Matching, the left and right inner walls of the coordination groove (31) near the bottom are fixed with limiting protrusions (32), and the left and right ends of the guide strip (4) near the middle part are cut to a limited extent. A position groove (41), the position limit protrusion (32) is matched with the position limit groove (41), and the cleaning assembly is located on the upper side of the matching groove (31). 3. A fixed-column vertical machining center according to claim 2, wherein the limiting groove (41) is an open C-shaped structure, and the upper and lower inner walls of the limiting groove (41) are in the shape of an open C-shaped structure. Symmetrical inclined surfaces are arranged, the inner wall of the middle part of the limiting groove (41) is arranged in a vertical plane, and the limiting protrusion (32) is a C-shaped structure matching with the limiting groove (41). 4. A fixed-column vertical machining center machine according to claim 2, characterized in that: the left and right inner walls of the coordination groove (31) close to the upper part are provided with guide grooves (33), and the (44) ) near the upper left and right outer ends are provided with guide surfaces (42), and the guide grooves (33) are matched with the guide surfaces (42). 5. A fixed-column vertical machining center machine according to claim 1, characterized in that: the cleaning assembly comprises a mounting plate (61) fixed on the side end of the slider (3) and respectively bonded to the mounting plate (61) The cotton wiping cloth (62) and the brush group (63) at the lower end, the cotton wiping cloth (62) is located on the left side of the brush group (63), the guide strip (4) and the slider (3) are respectively In contact with the left end and the lower end of the cotton wiping cloth (62), the brush group (63) is in contact with the guide strip (4). 6. A fixed-column vertical machining center machine according to claim 5, characterized in that: the transverse cross-sectional lengths of the mounting plate (61), the wiping cotton cloth (62) and the brush group (63) are all larger than the guide The width of the upper end of the strip (4). 7. A fixed-column vertical machining center according to claim 1, wherein the air blowing assembly comprises a pair of micro air pumps (71) fixed in the installation groove (8) and fixed respectively On the two symmetrical air supply hoses (72) on a pair of micro air pumps (71), air outlet pipes (73) are fixed on the left and right ends of the slider (3), and the air supply hoses (72) are far from the micro air supply hoses (72). One end of the air pump (71) penetrates the interior of the slider (3) and communicates with one of the air outlet pipes (73). 8. A fixed-column vertical machining center machine according to claim 7, characterized in that: the air outlet pipe (73) is located on the upper side of the installation plate (61), and the right end of the installation plate (61) is connected to the air outlet pipe The horizontal distance between (73) is 1-4 cm, and the vertical distance between the air outlet pipe (73) and the guide strip (4) is 2-3 cm. 9 . The fixed-column vertical machining center according to claim 7 , wherein the air outlet pipe ( 73 ) is clamped with a filter screen near the opening of the guide strip ( 4 ). 10 . 10. A fixed-column vertical machining center machine according to claim 1, characterized in that: two pairs of magnet plates (51) are connected to the upper ends of the base (1) and the sliding table (5), and each pair of magnet plates (51). The magnet plate (51) is symmetrical with respect to the guide bar (4).

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