CN113909920A - Novel-structure horizontal machining center machine tool - Google Patents
Novel-structure horizontal machining center machine tool Download PDFInfo
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- CN113909920A CN113909920A CN202111298469.4A CN202111298469A CN113909920A CN 113909920 A CN113909920 A CN 113909920A CN 202111298469 A CN202111298469 A CN 202111298469A CN 113909920 A CN113909920 A CN 113909920A
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- saddle
- lead screw
- base
- horizontal machining
- machining center
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- 238000009434 installation Methods 0.000 claims abstract description 10
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 7
- 238000005728 strengthening Methods 0.000 claims description 6
- 238000004458 analytical method Methods 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 238000003754 machining Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 238000005266 casting Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000011900 installation process Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 241001441752 Philesturnus carunculatus Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0032—Arrangements for preventing or isolating vibrations in parts of the machine
-
- 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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
- B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
- B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
Abstract
The invention discloses a horizontal machining center machine tool with a new structure in the field of horizontal machining centers, which comprises a base, a stand column, a spindle box and a saddle, wherein the upper end of the base is provided with a stress part, the stand column is fixedly arranged above the stress part, a reinforcing rib is arranged below the stress part, the left end surface of the stand column is slidably provided with the saddle, the front end surface of the saddle is slidably provided with the spindle box, and the saddle controls the spindle box to move through a lead screw part in front of the saddle; the hollow frame type horizontal column and saddle has the defects of large structure and low rigidity in the X-axis direction; and the traditional horizontal machining center triaxial lead screw bearing usually selects angular contact ball bearing, and the bearing needs to be used in a matched manner, so that the problems of large number of bearings, more and complicated installation accessories, complex installation and the like exist.
Description
Technical Field
The invention relates to the field of horizontal machining centers, in particular to a novel-structure horizontal machining center machine tool.
Background
The horizontal machining center is a machine tool for realizing milling machining through a mechanism with a main shaft horizontally arranged, and due to the fact that the main shaft is horizontally arranged, a cutter reciprocates along the side face of a workpiece to enable chips to be effectively discharged.
At present, the conventional horizontal machining center has a complex lathe bed structure, the supporting ribs inside the base are distributed in a net shape, the casting difficulty is high, the whole area of the base is large, the number of the foundation of the lathe bed is large, and the installation and debugging process is complicated, time-consuming and labor-consuming; the hollow frame type horizontal column and saddle has the defects of large structure and low rigidity in the X-axis direction; and the traditional horizontal machining center triaxial lead screw bearing usually selects angular contact ball bearing, and the bearing needs to be used in a matched manner, so that the problems of large number of bearings, more and complicated installation accessories, complex installation and the like exist.
Therefore, the invention provides a horizontal machining center machine tool with a novel structure, which aims to solve the problems in the background technology.
Disclosure of Invention
The invention aims to provide a horizontal machining center machine tool with a novel structure so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a horizontal machining center lathe of new construction, includes base, stand, headstock and saddle, base up end fixed mounting has the line rail, the base upper end is equipped with atress portion, stand fixed mounting is in the top of atress portion, atress portion below is equipped with the strengthening rib, supports atress portion through the strengthening rib, the left end face slidable mounting of stand has the saddle, the preceding terminal surface of stand is equipped with lead screw portion, and the stand passes through the removal of lead screw portion control saddle, the preceding terminal surface slidable mounting of saddle has the headstock, the preceding terminal surface of saddle is fixed mounting also has lead screw portion, and the saddle is through the removal of the lead screw portion control headstock in its the place ahead.
As a further scheme of the invention: the stress part and the reinforcing ribs are designed by assistance of finite element analysis of a computer, the supporting structures of the supporting surface of the wire rail and the supporting surface of the stress part are emphasized, and the redundant supporting structures are reduced.
As a still further scheme of the invention: the lower end of the linear rail is connected with the upper end face of the base through a supporting rib, and the inclined plane of the extrusion block of the lengthened linear rail is widened.
As a still further scheme of the invention: the lower terminal surface fixed mounting of base has the ground, the ground is at the lower terminal surface triangular distribution of base and installs threely.
As a still further scheme of the invention: supporting blocks are fixedly mounted on the lower sides of the left end faces of the stand columns.
As a still further scheme of the invention: and a saddle back plate is fixedly arranged in the middle of the upright post.
As a still further scheme of the invention: the lead screw portion comprises a ball screw, an outer locking nut, a shaft sleeve, a bolt, a disc spring, a motor base, a thrust angular contact ball bearing special for lead screw pushing, an inner locking nut, a sealing ring and a bearing seat, the ball screw penetrates through a left lead screw and a right lead screw to push the thrust angular contact ball bearing special for the left lead screw and the right lead screw, the thrust angular contact ball bearing special for the left lead screw and the right lead screw to push the thrust angular contact ball bearing special for the right lead screw are fixedly installed in the motor base and the bearing seat through the bolt and the disc spring respectively, the shaft sleeve is fixedly installed on one side, away from the center of the ball screw, of the lead screw pushing the thrust angular contact ball bearing installed in the bearing seat, and the sealing ring is fixedly installed on one side, facing the center of the ball screw, of the lead screw pushing the thrust angular contact ball bearing special for the left lead screw, and the inner locking nut.
As a still further scheme of the invention: the utility model discloses a sliding saddle, including saddle rear end face, bearing frame, mounting groove, motor cabinet, bearing frame, mounting groove, connecting plate, mounting groove, motor cabinet and bearing frame fixed mounting in the screw portion are in the mounting groove.
Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
1. the stress part is arranged above the base, the reinforcing ribs are arranged in the base, the stress part and the reinforcing ribs are designed through computer finite element analysis assistance, the supporting structures of the supporting surface of the wire rail and the supporting surface of the stress part are emphasized, the redundant supporting structures are reduced, the reinforcing ribs are arranged in a main stress area, and a complex net-shaped rib arrangement structure in the traditional design is omitted, so that the main stress area is not easy to deform, the whole structure is simplified, the shock absorption capacity is enhanced, the production and casting are simpler and more convenient, and the problems that the bed body structure of the traditional horizontal machining center is complex, the supporting ribs in the base are distributed in a net shape, and the casting difficulty is higher are solved;
2. the three foundations are fixedly arranged on the lower end face of the base and are distributed in a triangular shape, so that the difficulty of the installation process and the installation time of the foundations are greatly reduced, the three-point supporting structure can maximally meet the balance requirement under various unbalanced influences of thermal deformation, non-constant temperature environment, ground with low shock absorption capacity, ground with low levelness and the like, and the problems that the traditional base is large in whole area, the number of machine bed foundations is large, the installation and debugging process is complicated, time and labor are wasted are solved;
3. the mounting groove is formed in the front end face of the upright post, the motor base and the bearing seat in the lead screw part in front of the upright post are mounted in the mounting groove, the connecting plate is fixedly mounted on the left side of the rear end face of the sliding saddle, the sliding saddle is in threaded fit with the ball screw in front of the upright post through the connecting plate, the motor base is avoided by the movement of the sliding saddle, the stroke of the sliding saddle can be ensured while the upright post is reduced, the sliding saddle back plate is fixedly mounted in the middle of the upright post, the overall rigidity is improved, the main shaft speed is accelerated, the processing precision is high, the precision maintaining performance is better, and the problems of huge structure and low rigidity in the X-axis direction in the traditional upright post and hollow frame type horizontal adding of the sliding saddle are solved;
4. the ball screw penetrates through the left screw rod and the right screw rod to push the special thrust angular contact ball bearings, the left screw rod and the right screw rod push the special thrust angular contact ball bearings to be fixedly installed in the motor base and the bearing seat through the bolts and the disc springs respectively, and the problems that when the conventional angular contact ball bearings are used in a matched mode, the bearings are large in number, installation accessories are large in number and complex, installation process is complex, efficiency is low, accuracy maintenance performance is poor and the like are solved.
Drawings
FIG. 1 is a schematic front view of the overall structure of the present invention;
FIG. 2 is a schematic top view of the base of the present invention;
FIG. 3 is a schematic cross-sectional view of a base according to the present invention;
FIG. 4 is a schematic cross-sectional view of a base according to the present invention;
FIG. 5 is a schematic bottom view of the base of the present invention;
FIG. 6 is a schematic structural view of a column portion of the present invention;
FIG. 7 is a rear view of the saddle according to the present invention;
FIG. 8 is a schematic sectional view of the screw portion of the present invention.
In the figure: the device comprises a ball screw 1, an outer locking nut 2, an outer locking nut 3, a shaft sleeve 4, a bolt 5, a disc spring 6, a motor base 7, a thrust angular contact ball bearing special for pushing the screw 7, an inner locking nut 8, a sealing ring 9, a bearing seat 10, a base 11, an upright post 12, a spindle box 13, a saddle 14, a linear rail 15, a stress part 16, a reinforcing rib 17, a screw part 18, a supporting rib 19, a foundation 20, a supporting block 21, a connecting plate 22 and a mounting groove 23.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1 to 8, in an embodiment of the present invention, a horizontal machining center machine tool with a new structure includes a base 11, an upright 12, a spindle box 13, and a saddle 14, wherein a linear rail 15 is fixedly installed on an upper end surface of the base 11, a force receiving portion 16 is installed on the upper end of the base 11, the upright 12 is fixedly installed above the force receiving portion 16, a reinforcing rib 17 is installed below the force receiving portion 16, the force receiving portion 16 is supported by the reinforcing rib 17, a saddle 14 is slidably installed on a left end surface of the upright 12, a screw portion 18 is installed on a front end surface of the upright 12, the upright 12 controls movement of the saddle 14 through the screw portion 18, the spindle box 13 is slidably installed on a front end surface of the saddle 14, the screw portion 18 is also fixedly installed on the front end surface of the saddle 14, and the saddle 14 controls movement of the spindle box 13 through the screw portion 18 in front of the saddle 14.
In this embodiment, atress portion 16 and strengthening rib 17 assist the design through computer finite element analysis, emphasize the bearing structure of 15 holding surfaces of reinforcing wire rail and 16 holding surfaces of atress portion, reduce redundant bearing structure, install strengthening rib 17 in 16 below of the atress portion of main atress, save complicated netted cloth muscle structure in traditional design, promote in the regional rigidity of main atress, make main atress region non-deformable, overall structure is simple and easy, the casting is easier, shock absorption capacity strengthens.
In the embodiment, the lower end of the linear rail 15 is connected with the upper end face of the base 11 through the support rib 19, the inclined face of the extrusion block of the lengthened linear rail 15 is widened, the support rib 19 of the mounting face of the linear rail 15 is skillfully utilized to widen the inclined face of the extrusion block of the lengthened linear rail 15, the inclined face is used as the support face of the telescopic shield, the length of the mounting face of the linear rail 15 is shortened, and the processing cost is reduced; and a false guide rail is not required to be installed, so that the material cost is reduced.
In this embodiment, the lower terminal surface fixed mounting of base 11 has ground 20, and ground 20 is installed threely in the lower terminal surface triangular distribution of base 11, adopts three point support structure's ground 20, has greatly reduced ground 20's the installation process degree of difficulty and installation time, and under various unbalanced influences such as heat altered shape, non-constant temperature environment, the lower ground of shock-absorbing capacity, the lower ground of levelness, three point support structure can both reach balanced demand to the maximize.
In this embodiment, the supporting blocks 21 are fixedly mounted on the lower sides of the left end surfaces of the columns 12, and the columns 12 are supported by the supporting blocks 21, so that the stability of the columns 12 is ensured while the columns 12 are reduced.
In this embodiment, the saddle 14 back plate is fixedly installed in the middle of the upright post 12, so that the overall rigidity is improved, the spindle moving speed is accelerated, the processing precision is improved, and the precision maintenance performance is better.
In the embodiment, the screw part 18 comprises a ball screw 1, an outer locking nut 2, a shaft sleeve 3, a bolt 4, a disc spring 5, a motor base 6, a special thrust angular contact ball bearing 7 for screw pushing, an inner locking nut 8, a sealing ring 9 and a bearing seat 10, the ball screw 1 passes through the special thrust angular contact ball bearing 7 for screw pushing of left and right screws, the special thrust angular contact ball bearing 7 for screw pushing of left and right screws is fixedly arranged in the motor base 6 and the bearing seat 10 respectively through the bolt 4 and the disc spring 5, the shaft sleeve 3 is fixedly arranged on one side of the special thrust angular contact ball bearing 7 for screw pushing arranged in the motor base 6 far away from the center of the ball screw 1 through the outer locking nut 2, the sealing ring 9 is fixedly arranged on one side of the special thrust angular contact ball bearing 7 for screw pushing arranged in the bearing seat 10 facing the center of the ball screw 1 through the inner locking nut 8, the special thrust angular contact ball bearing 7 for the screw rod to push can fully adjust the thermal elongation caused by the high-speed rotation of the ball screw 1 under the axial stress, can bear the reverse acting force caused in the cutting processing under the radial stress, reduces the material cost of the gland compared with the common bearing, can adjust the thermal elongation by the disc spring 5 in the use performance, and obviously improves the processing precision.
In this embodiment, a connecting plate 22 is fixedly mounted on the left side of the rear end face of the saddle 14, a mounting groove 23 is formed in the front end face of the upright post 12, and the motor base 6 and the bearing seat 10 in the screw rod portion 18 are fixedly mounted in the mounting groove 23, so that the motor base 6 is avoided by the movement of the saddle 14, and the stroke of the saddle 14 can be ensured while the upright post 12 is reduced.
Claims (8)
1. The utility model provides a horizontal machining center lathe of new construction, includes base (11), stand (12), headstock (13) and saddle (14), its characterized in that: base (11) up end fixed mounting has line rail (15), base (11) upper end is equipped with atress portion (16), stand (12) fixed mounting is in the top of atress portion (16), atress portion (16) below is equipped with strengthening rib (17), supports atress portion (16) through strengthening rib (17), the left end face slidable mounting of stand (12) has saddle (14), the preceding terminal surface of stand (12) is equipped with lead screw portion (18), and stand (12) pass through the removal of lead screw portion (18) control saddle (14), the preceding terminal surface slidable mounting of saddle (14) has headstock (13), the preceding terminal surface of saddle (14) also fixed mounting has lead screw portion (18), and saddle (14) controls the removal of headstock (13) through lead screw portion (18) in its the place ahead.
2. The horizontal machining center machine tool with a new structure as claimed in claim 1, wherein: the stress part (16) and the reinforcing ribs (17) are designed by computer finite element analysis assistance, and the supporting structure of the supporting surface of the wire rail (15) and the supporting surface of the stress part (16) is emphasized, so that the redundant supporting structure is reduced.
3. The horizontal machining center machine tool with a new structure as claimed in claim 1, wherein: the lower end of the linear rail (15) is connected with the upper end face of the base (11) through a support rib (19), and the inclined face of the extrusion block of the lengthened linear rail (15) is widened.
4. The horizontal machining center machine tool with a new structure as claimed in claim 1, wherein: the lower terminal surface fixed mounting of base (11) has ground (20), ground (20) are at the lower terminal surface triangular distribution of base (11) and install threely.
5. The horizontal machining center machine tool with a new structure as claimed in claim 1, wherein: supporting blocks (21) are fixedly mounted on the lower sides of the left end faces of the upright columns (12).
6. The horizontal machining center machine tool with a new structure as claimed in claim 1, wherein: and a saddle (14) back plate is fixedly arranged in the middle of the upright post (12).
7. The horizontal machining center machine tool with a new structure as claimed in claim 1, wherein: the lead screw part (18) comprises a ball screw (1), an outer locking nut (2), a shaft sleeve (3), a bolt (4), a disc spring (5), a motor base (6), a thrust angular contact ball bearing (7) special for lead screw pushing, an inner locking nut (8), a sealing ring (9) and a bearing seat (10), wherein the ball screw (1) penetrates through the left lead screw and the right lead screw to push the thrust angular contact ball bearing (7), the left lead screw and the right lead screw to push the thrust angular contact ball bearing (7) special for lead screw pushing are fixedly installed in the motor base (6) and the bearing seat (10) through the bolt (4) and the disc spring (5) respectively, one side, away from the center of the ball screw (1), of the lead screw pushing special thrust angular contact ball bearing (7) installed in the motor base (6) is fixedly installed on the shaft sleeve (3) through the outer locking nut (2), and one side, towards the center of the ball screw pushing special thrust angular contact ball bearing (7) installed in the bearing seat (10) The side is fixedly provided with a sealing ring (9) through an inner locking nut (8).
8. The horizontal machining center of claim 7, wherein the new structure comprises: saddle (14) rear end face left side fixed mounting has connecting plate (22), ball screw (1) screw-thread fit of terminal surface installation before saddle (14) passes through connecting plate (22) and stand (12), mounting groove (23) have been seted up to the terminal surface before stand (12), motor cabinet (6) and bearing frame (10) fixed mounting in lead screw portion (18) are in mounting groove (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111298469.4A CN113909920A (en) | 2021-11-04 | 2021-11-04 | Novel-structure horizontal machining center machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111298469.4A CN113909920A (en) | 2021-11-04 | 2021-11-04 | Novel-structure horizontal machining center machine tool |
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| Publication Number | Publication Date |
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| CN113909920A true CN113909920A (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111298469.4A Pending CN113909920A (en) | 2021-11-04 | 2021-11-04 | Novel-structure horizontal machining center machine tool |
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| CN (1) | CN113909920A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115302316A (en) * | 2022-09-14 | 2022-11-08 | 安徽方程重型装备制造有限公司 | Assembly process of horizontal machining center machine |
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