CN112589501A - Numerical control machine tool tail end bearing block and machining process thereof - Google Patents
Numerical control machine tool tail end bearing block and machining process thereof Download PDFInfo
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- CN112589501A CN112589501A CN202011386270.2A CN202011386270A CN112589501A CN 112589501 A CN112589501 A CN 112589501A CN 202011386270 A CN202011386270 A CN 202011386270A CN 112589501 A CN112589501 A CN 112589501A
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- bearing
- mounting
- hole
- mounting hole
- motor fixing
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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
- 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
- B23Q5/404—Screw bearings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The invention discloses a numerical control machine tool tail end bearing block, which comprises a motor fixing seat, wherein the motor fixing seat is arranged on two C-shaped mounting blocks, the C-shaped mounting blocks are symmetrically arranged along the central line, the two C-shaped mounting blocks form a U-shaped parallel block, 4 bearing block fixing mounting holes are formed in the surface, close to the U-shaped parallel block, of the motor fixing seat, a positioning pin hole is formed in the middle of each of the two bearing block fixing mounting holes in one side of the C-shaped mounting block, a bearing mounting hole is formed between the two symmetrical bearing block fixing mounting holes, a plurality of annular gland mounting holes are formed in the periphery of the outer side of each bearing mounting hole, a bearing block clearance plane is arranged on the upper surface of the motor fixing seat, and a bearing. The bearing seat machined by the method has the advantages of concise and clear machining steps and reasonable machining process, not only ensures the precision requirement required by machining, but also improves the production efficiency, shortens the manufacturing period and reduces the production cost.
Description
Technical Field
The invention relates to the technical field of machine tools, in particular to a numerical control machine tool tail end bearing block and a machining process thereof.
Background
The bearing seat is a supporting piece of a transmission element of the ball screw of the numerical control machine tool, is mainly used for supporting a shaft shoulder and a bearing of the ball screw of the machine tool, and needs to be fixed, and the mounting surface and the mounting hole of the bearing seat have higher precision requirements, so that the processing technology plays a very critical role.
The bearing seat is generally produced in batch, and how to produce a high-precision product in the shortest time is required to have an excellent bearing seat, and a tool clamp in the machining process is very important, and the machining method of the bearing seat is also very important.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
The invention aims to provide a numerical control machine tool tail end bearing block and a machining process thereof, and aims 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 digit control machine tool tail end bearing frame, includes the motor fixing base, the motor fixing base is installed on two C type installation pieces, the parallel piece of U type is constituteed along central line symmetry installation and two C type installation pieces to C type installation piece, the motor fixing base presses close to the parallel piece of U type and opens on the surface has 4 bearing frame fixed mounting holes, is located set up the location pinhole in the middle of two bearing frame fixed mounting holes of C type installation piece one side, two of symmetry be provided with the bearing mounting hole between the bearing frame fixed mounting hole, set up a plurality of cyclic annular gland mounting holes around the bearing mounting hole outside, motor fixing base upper surface sets up the bearing frame and keeps away empty plane, set up the bearing dismantlement hole on the horizontal cross axle of bearing mounting hole.
Furthermore, a waterproof rubber ring mounting hole is formed in the inner surface of the bearing mounting hole, and a screw rod mounting through hole is formed in one side of the waterproof rubber ring mounting hole.
Furthermore, two side surfaces of the motor fixing seat are respectively an anti-collision rubber mounting surface and a gland mounting surface.
Further, the motor fixing seat is attached to the U-shaped parallel block along the fixing and mounting surface of the bearing seat.
Furthermore, two side faces of the motor fixing seat are side faces of the bearing seat.
And furthermore, a bearing seat mounting side surface is arranged on the motor fixing seat and between the two C-shaped mounting blocks along the vertical direction.
Further, a machining process for a bearing seat at the tail end of a numerical control machine tool comprises the following steps:
a: using a common lathe to feed the bearing and the gland into a three-jaw chuck in a positioning mode at the spindle rotation speed of 300r/min and the feeding speed of 50mm/min, and roughly machining a bearing mounting hole and a gland mounting surface by using a 25x25 lathe tool;
b: positioning a turning three-jaw chuck, and machining an anti-collision glue mounting surface, a waterproof rubber ring mounting hole and a screw rod mounting through hole by a turning tool at the main shaft rotating speed of 400r/min and feeding at 70mm/min and 25x 25;
c: clamping by using a parallel jaw vice by using a machining center, feeding by 300mm/min at the main shaft rotating speed of 1500r/min, and fixing the mounting surface of a cutter disc milling bearing seat of D50;
d: feeding the motor by 300mm/min at the spindle rotating speed of 500r/min, and machining the side surface and the mounting side surface of a bearing seat of a motor fixing seat (1) by using a D40 end mill;
e: feeding at 500mm/min at the main shaft rotating speed of 1200r/min, and drilling a bearing seat fixing mounting hole and a positioning pin hole in the center;
f: feeding the workpiece at a spindle speed of 1500r/min for 1000mm/min, and chamfering the machined surface by using a chamfering tool;
g: clamping by using a horizontal machining center through a U-shaped parallel block, semi-finely boring the bearing mounting hole by feeding a rough boring cutter of 50mm/min to 40-55 at the rotation speed of a main shaft of 500r/min, and finely boring the bearing mounting hole by feeding a fine boring cutter of 30mm/min to 40-55 at the rotation speed of the main shaft of 1800 r/min;
h: the gland mounting surface is finely milled by a flying cutter head with the main shaft rotating speed of 1800r/min and the feeding speed of 200mm/min and 40;
i: then, a drilling machine is used for feeding the bearing seat and the bearing seat into the bearing seat fixing and mounting hole, the gland mounting hole and the bearing dismounting hole respectively by using drill bits D11, D6 and D4.1 at the rotating speed of 1000r/min and at the speed of 50 mm/min;
j: feeding at a rotating speed of 300r/min for 30mm/min, and tapping the gland mounting hole by using a M5 screw tap;
k: and finishing the processing.
Compared with the prior art, the invention has the following beneficial effects: (1) the processing steps of the bearing seat are simple and clear, and the relevant positions of form and position tolerance are processed in a centralized manner, so that the precision of the form and position tolerance can be improved; (2) the fixture used in the bearing seat processing has the fixture grade higher than that of the part by one grade, and the precision requirement of the required processing is ensured on the premise of ensuring the accuracy in the aspects of positioning, clamping, tool setting and the like; (3) the reasonable processing technology of the bearing seat not only ensures the precision requirement required by processing, but also improves the production efficiency, shortens the manufacturing period and reduces the production cost; (4) the reasonable processing technology of the bearing seat enables workers to save labor force and avoids physical injury caused by contact with machinery for too long time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a bearing seat at the tail end of a numerical control machine tool according to the present invention;
FIG. 2 is a plan view of a bearing seat at the tail end of a numerical control machine tool;
fig. 3 is a front view of a bearing seat at the tail end of a numerical control machine tool.
In the figure: 1. the motor fixing seat comprises a motor fixing seat, 1.1 bearing mounting holes, 1.11 bearing seat clearance planes, 1.12 gland mounting holes, 1.13 bearing dismounting holes, 1.4 waterproof rubber ring mounting holes, 1.5 lead screw mounting through holes, 1.6 bearing seat fixed mounting surfaces, 1.7 bearing seat side surfaces, 1.8 bearing seat mounting side surfaces, 1.9 bearing seat fixed mounting holes, 2.0 center lines, 2U-shaped parallel blocks and 3C-shaped mounting blocks.
Detailed Description
The invention is further described with reference to the following drawings and detailed description:
as shown in fig. 1-3, a digit control machine tool tail end bearing frame, including motor fixing base 1, motor fixing base 1 is installed on two C type installation pieces 3, the parallel piece 2 of U type is constituteed along 2.0 symmetry installations of central line and two C type installation pieces 3 to C type installation piece 3, motor fixing base 1 presses close to opening on the surface of the parallel piece 2 of U type and has 4 bearing frame fixed mounting holes 1.9, is located set up location pinhole 1.10 in the middle of two bearing frame fixed mounting holes 1.9 of 3 one sides of C type installation piece, two of symmetry be provided with bearing mounting hole 1.1 between bearing frame fixed mounting hole 1.9, set up a plurality of cyclic annular gland mounting holes 1.12 around the bearing mounting hole 1.1 outside, motor fixing base 1 upper surface sets up the bearing frame and keeps away empty plane 1.11, set up bearing dismantlement hole 1.13 on the horizontal cross axle of bearing mounting hole 1.1.1.
According to the content, the inner surface of the bearing mounting hole 1.1 is provided with a waterproof rubber ring mounting hole 1.4, and one side of the waterproof rubber ring mounting hole 1.4 is provided with a screw rod mounting through hole 1.5.
According to the above, the two side surfaces of the motor fixing seat 1 are respectively an anti-collision rubber mounting surface 1.3 and a gland mounting surface 1.2.
According to the content, the motor fixing seat 1 is attached to the U-shaped parallel block 2 along the bearing seat fixing and mounting surface 1.6.
According to the above, the two side surfaces of the motor fixing seat 1 are bearing seat side surfaces 1.7.
According to the above, the bearing seat mounting side surface 1.8 is arranged on the motor fixing seat 1 and between the two C-shaped mounting blocks 3 along the vertical direction.
According to the content, the machining process of the bearing seat at the tail end of the numerical control machine tool comprises the following steps:
a: using a common lathe to perform rough machining on a bearing mounting hole 1.1 and a gland mounting surface 1.2 by using a three-jaw chuck in a positioning mode and a 25x25 lathe tool at the spindle rotating speed of 300r/min and the feeding speed of 50 mm/min;
b: positioning a turning three-jaw chuck, and machining an anti-collision glue mounting surface 1.3, a waterproof rubber ring mounting hole 1.4 and a screw rod mounting through hole 1.5 by a turning tool of 25x25 at the spindle rotation speed of 400r/min and feeding of 70 mm/min;
c: clamping by using a parallel jaw vice by using a machining center, feeding by 300mm/min at the main shaft rotating speed of 1500r/min, and fixing the mounting surface of a cutter disc milling bearing seat of D50 by 1.6;
d: feeding the motor by 300mm/min at the spindle rotation speed of 500r/min, and machining a bearing seat side surface 1.7 and a bearing seat mounting side surface 1.8 of the motor fixing seat 1 by using a D40 end mill;
e: feeding at 500mm/min at the main shaft rotating speed of 1200r/min, and drilling a bearing seat fixing mounting hole 1.9 and a positioning pin hole 1.10 at the center;
f: feeding the workpiece at a spindle speed of 1500r/min for 1000mm/min, and chamfering the machined surface by using a chamfering tool;
g: clamping by using a horizontal machining center through a U-shaped parallel block 2, feeding a rough boring cutter of 50mm/min to 40-55 for half-finish boring of a bearing mounting hole 1.1 at the main shaft rotating speed of 500r/min, and feeding a finish boring cutter of 30mm/min to 40-55 for finish boring of the bearing mounting hole 1.1 at the main shaft rotating speed of 1800 r/min;
h: feeding the spindle at 1800r/min and 200mm/min, wherein the gland mounting surface is finely milled by a 40-inch fly cutter;
i: then a drilling machine is used for feeding the bearing seat fixing mounting hole 1.9, the positioning pin hole 1.10, the gland mounting hole 1.12 and the bearing dismounting hole 1.13 respectively by using drill bits D11, D6 and D4.1 at the rotating speed of 1000 r/min;
j: tapping 1.12 of a gland mounting hole by using a screw tap of M5 at a rotating speed of 300r/min and a feeding speed of 30 mm/min;
k: and finishing the processing.
The tool grade of the fixture used by the bearing seat in the machining process is one grade higher than that of a part, the precision requirement of required machining is guaranteed on the premise of guaranteeing the accuracy in the aspects of positioning, clamping, tool setting and the like, the machining steps are simple and clear, and the relevant positions of form and position tolerance are processed in a concentrated mode, so that the precision of the form and position tolerance can be improved, the production efficiency is improved, the manufacturing period is shortened, the production cost is reduced, the labor force is saved for workers, and the physical injury caused by long-time contact with machinery is avoided.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The numerical control machine tool tail end bearing block is characterized by comprising a motor fixing seat (1), wherein the motor fixing seat (1) is installed on two C-shaped installation blocks (3), the C-shaped installation blocks (3) are symmetrically installed along a central line (2.0) and the two C-shaped installation blocks (3) form a U-shaped parallel block (2), 4 bearing block fixed installation holes (1.9) are formed in the surface, close to the U-shaped parallel block (2), of the motor fixing seat (1), a positioning pin hole (1.10) is formed in the middle of each of the two bearing block fixed installation holes (1.9) located on one side of each C-shaped installation block (3), a bearing installation hole (1.1) is formed between the two symmetrical bearing block fixed installation holes (1.9), a plurality of annular gland installation holes (1.12) are formed around the outer side of each bearing installation hole (1.1), a bearing block clearance plane (1.11) is arranged on the upper surface of the motor fixing seat (1), and a bearing dismounting hole (1.13) is arranged on the horizontal transverse shaft of the bearing mounting hole (1.1).
2. The numerical control machine tool tail end bearing pedestal according to claim 1, characterized in that a waterproof rubber ring mounting hole (1.4) is arranged on the inner surface of the bearing mounting hole (1.1), and a screw rod mounting through hole (1.5) is arranged on one side of the waterproof rubber ring mounting hole (1.4).
3. The numerical control machine tool tail end bearing seat according to claim 1, characterized in that two side surfaces of the motor fixing seat (1) are respectively an anti-collision glue mounting surface (1.3) and a gland mounting surface (1.2).
4. The numerical control machine tool tail end bearing seat according to claim 1, characterized in that the motor fixing seat (1) is attached to the U-shaped parallel block (2) along a bearing seat fixing and mounting surface (1.6).
5. The bearing seat for the tail end of the numerical control machine tool according to claim 1, characterized in that two side surfaces of the motor fixing seat (1) are bearing seat side surfaces (1.7).
6. The bearing block of the numerical control machine tool tail end according to claim 1 is characterized in that a bearing block mounting side surface (1.8) is arranged on the motor fixing seat (1) and between two C-shaped mounting blocks (3) along the vertical direction.
7. The machining process of the bearing seat at the tail end of the numerical control machine tool is characterized by comprising the following steps of:
a: using a common lathe to roughly machine a bearing mounting hole (1.1) and a gland mounting surface (1.2) by a three-jaw chuck in a positioning mode and a 25x25 lathe tool at the spindle rotating speed of 300r/min and the feeding speed of 50 mm/min;
b: the turning three-jaw chuck is positioned, and an anti-collision glue mounting surface (1.3), a waterproof rubber ring mounting hole (1.4) and a screw rod mounting through hole (1.5) are machined by a turning tool of 25x25 at the spindle rotating speed of 400r/min in a feeding mode of 70 mm/min;
c: clamping by using a parallel jaw vice by using a machining center, feeding by 300mm/min at the main shaft rotating speed of 1500r/min, and fixing a mounting surface (1.6) of a cutter disc milling bearing seat of D50;
d: feeding the motor fixing seat (1) by a D40 end mill at a spindle rotation speed of 500r/min for 300mm/min to machine a bearing seat side surface (1.7) and a bearing seat mounting side surface (1.8) of the motor fixing seat (1);
e: the rotation speed of a main shaft is 1200r/min, the feeding is 500mm/min, and a bearing seat fixing mounting hole (1.9) and a positioning pin hole (1.10) are drilled at the center;
f: feeding the workpiece at a spindle speed of 1500r/min for 1000mm/min, and chamfering the machined surface by using a chamfering tool;
g: clamping by using a horizontal machining center through a U-shaped parallel block (2), feeding a rough boring cutter of 50mm/min to 40-55 for semi-fine boring of a bearing mounting hole (1.1) at the main shaft rotating speed of 500r/min, and feeding a fine boring cutter of 30mm/min to 40-55 for fine boring of the bearing mounting hole (1.1) at the main shaft rotating speed of 1800 r/min;
h: a gland mounting surface (1.2) is finely milled by a flying cutter head with the main shaft rotating speed of 1800r/min and the feeding speed of 200mm/min and 40;
i: then a drilling machine is used for respectively drilling a bearing seat fixing mounting hole (1.9), a positioning pin hole (1.10), a gland mounting hole (1.12) and a bearing dismounting hole (1.13) by using drill bits D11, D6 and D4.1 at the rotating speed of 1000r/min and feeding the bearing seat fixing mounting hole to 50 mm/min;
j: tapping the gland mounting hole with a screw tap of M5 at a rotating speed of 300r/min and a feeding speed of 30mm/min (1.12);
k: and finishing the processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011386270.2A CN112589501A (en) | 2020-12-02 | 2020-12-02 | Numerical control machine tool tail end bearing block and machining process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011386270.2A CN112589501A (en) | 2020-12-02 | 2020-12-02 | Numerical control machine tool tail end bearing block and machining process thereof |
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| CN112589501A true CN112589501A (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011386270.2A Pending CN112589501A (en) | 2020-12-02 | 2020-12-02 | Numerical control machine tool tail end bearing block and machining process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114888583A (en) * | 2022-06-20 | 2022-08-12 | 南京大发精密机械制造有限公司 | Numerical control machine tool tail end bearing block and machining process thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3815318A1 (en) * | 1988-05-05 | 1989-11-16 | Bernhard Moll | Self-aligning screw bearing |
| KR20120105945A (en) * | 2011-03-17 | 2012-09-26 | 삼성중공업 주식회사 | Apparatus for controlling rectitude position for gantry machines |
| CN104259758A (en) * | 2014-08-17 | 2015-01-07 | 成都亨通兆业精密机械有限公司 | Bearing block machining method beneficial to boring precision |
| CN106826117A (en) * | 2017-01-22 | 2017-06-13 | 常州轻工职业技术学院 | A kind of processing method of precision bearing seat |
| CN111250929A (en) * | 2020-01-18 | 2020-06-09 | 浙江农业商贸职业学院 | Machining method for preventing roundness of bearing hole of bearing pedestal from being poor in locking state |
-
2020
- 2020-12-02 CN CN202011386270.2A patent/CN112589501A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3815318A1 (en) * | 1988-05-05 | 1989-11-16 | Bernhard Moll | Self-aligning screw bearing |
| KR20120105945A (en) * | 2011-03-17 | 2012-09-26 | 삼성중공업 주식회사 | Apparatus for controlling rectitude position for gantry machines |
| CN104259758A (en) * | 2014-08-17 | 2015-01-07 | 成都亨通兆业精密机械有限公司 | Bearing block machining method beneficial to boring precision |
| CN106826117A (en) * | 2017-01-22 | 2017-06-13 | 常州轻工职业技术学院 | A kind of processing method of precision bearing seat |
| CN111250929A (en) * | 2020-01-18 | 2020-06-09 | 浙江农业商贸职业学院 | Machining method for preventing roundness of bearing hole of bearing pedestal from being poor in locking state |
Non-Patent Citations (1)
| Title |
|---|
| 北斗星: "轴承座详细图纸", 《沐风网 HTTPS://WWW.MFCAD.COM/TUZHI/CAD/857/108879.HTML#DOWNLINK》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114888583A (en) * | 2022-06-20 | 2022-08-12 | 南京大发精密机械制造有限公司 | Numerical control machine tool tail end bearing block and machining process thereof |
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Application publication date: 20210402 |
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