CN109531296B - Vertical multiaxis processing grinding machine of deep hole - Google Patents
Vertical multiaxis processing grinding machine of deep hole Download PDFInfo
- Publication number
- CN109531296B CN109531296B CN201811508872.3A CN201811508872A CN109531296B CN 109531296 B CN109531296 B CN 109531296B CN 201811508872 A CN201811508872 A CN 201811508872A CN 109531296 B CN109531296 B CN 109531296B
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- grinding
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- main shaft
- sliding
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- 238000003754 machining Methods 0.000 claims abstract description 23
- 229910003460 diamond Inorganic materials 0.000 claims description 30
- 239000010432 diamond Substances 0.000 claims description 30
- 238000001514 detection method Methods 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 9
- 239000000523 sample Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/01—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor for combined grinding of surfaces of revolution and of adjacent plane surfaces on work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B45/00—Means for securing grinding wheels on rotary arbors
- B24B45/003—Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
- B24B5/48—Single-purpose machines or devices for grinding walls of very fine holes, e.g. in drawing-dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/06—Devices or means for dressing or conditioning abrasive surfaces of profiled abrasive wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/12—Dressing tools; Holders therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses a deep hole vertical multi-shaft machining grinder, a turntable and a grinding main shaft can rotate around respective axes, a first sliding plate horizontally moves to enable the horizontal distance between the turntable and the axes of the grinding main shaft to be adjustable, each vertical sliding plate vertically moves to enable the vertical distance between a grinding wheel and the turntable to be adjustable, a detachable grinding wheel is arranged on the grinding main shaft, and the first sliding plate and the vertical sliding plate enable the grinding main shaft to replace the grinding wheel through a tool magazine. The beneficial effects are that: the rotary table can clamp a workpiece, the rotary table can rotate, the rotary table can horizontally move along with the first sliding plate, the grinding main shaft can vertically move along the vertical sliding plate, the deep hole vertical multi-shaft machining grinding machine can finish grinding of an inner hole, an outer circle and an end face of the workpiece through one-time clamping, and the structural rigidity of the deep hole vertical multi-shaft machining grinding machine is high, so that the machining precision of the workpiece is improved. The grinding spindle can replace the grinding wheel through the tool magazine, and is beneficial to expanding the processing capacity of the deep hole vertical multi-axis processing grinding machine. The present invention relates to grinding machines.
Description
Technical Field
The invention relates to a grinding machine, in particular to a deep hole vertical multi-shaft machining grinding machine.
Background
The numerical control vertical compound grinding machine is a variety which is rising and rapidly developed in recent years, and is developed mainly aiming at the difficult problem that a large-sized revolving body workpiece cannot be clamped on a horizontal cylindrical grinding machine at one time to finish grinding processing.
In the prior art, a grinder is generally provided with a beam structure or a cross slide plate structure, and the technical defects are that: the rigidity of the grinding machine can be reduced due to the beam structure and the cross slide plate structure, and the grinding of the inner hole, the outer circle and the surface of the workpiece cannot be finished through one-time clamping, so that the machining precision is not improved.
Disclosure of Invention
The invention aims to solve the technical problem of providing a deep hole vertical multi-axis machining grinder which can finish grinding of an inner hole, an outer circle and a surface of a workpiece through one-time clamping.
The technical scheme adopted for solving the technical problems is as follows:
The vertical multi-shaft machining grinder for the deep holes comprises a lathe bed and an upright post arranged on one side of the lathe bed, wherein a first sliding plate capable of horizontally moving along the top surface of the lathe bed is arranged on the lathe bed, at least two vertical sliding plates capable of vertically moving along one side of the upright post are arranged on the upright post, a tool magazine and a turntable capable of clamping workpieces are arranged on the first sliding plate, a plurality of grinding spindles capable of mounting grinding wheels are respectively arranged on each vertical sliding plate, the turntable and the grinding spindles can rotate around respective axes, the horizontal distance between the turntable and the axes of the grinding spindles can be adjusted by horizontally moving the first sliding plate, the vertical distance between the grinding wheels and the turntable can be adjusted by vertically moving the vertical sliding plates, detachable grinding wheels are arranged on the grinding spindles, and the grinding spindles can be replaced by the tool magazine by the first sliding plates and the vertical sliding plates.
As an improvement, the vertical slide plate comprises a second slide plate and a third slide plate, the grinding main shaft comprises a first grinding main shaft and a second grinding main shaft, the first grinding main shaft is arranged on the second slide plate, the second grinding main shaft is arranged on the third slide plate, a detachable first grinding wheel is arranged on the first grinding main shaft, and a detachable second grinding wheel is arranged on the second grinding main shaft.
As an improvement, the first sliding plate is provided with a grinding wheel trimmer, the grinding wheel trimmer comprises a pen seat and a plurality of diamond pens arranged on the pen seat, and the pen seat protrudes from the top surface of the first sliding plate.
As an improvement, the diamond pen comprises a first diamond pen, a second diamond pen and a third diamond pen, wherein the first diamond pen and the second diamond pen are respectively arranged on two sides of the pen holder, and the third diamond pen is arranged on the top surface of the pen holder.
As an improvement, a screw rod mechanism and a first driving mechanism for driving the first slide plate to horizontally move are arranged between the first slide plate and the lathe bed, a screw rod mechanism and a second driving mechanism for driving the second slide plate to vertically move are arranged between the second slide plate and the upright post, and a screw rod mechanism and a third driving mechanism for driving the third slide plate to vertically move are arranged between the third slide plate and the upright post.
As an improvement, a first counterweight device for balancing the gravity born by the second sliding plate and a second counterweight device for balancing the gravity born by the third sliding plate are arranged in the upright post.
As an improvement, a fourth sliding plate capable of vertically moving along one side of the upright post is arranged on the upright post, a detection device is arranged on the fourth sliding plate, the detection device comprises a sliding rod and a probe arranged at the end part of the sliding rod, the sliding rod extends towards the direction of the lathe bed, and the extending length of the sliding rod is adjustable.
As an improvement, a screw rod mechanism and a fourth driving mechanism for driving the fourth sliding plate to vertically move are arranged between the fourth sliding plate and the upright post, and a third counterweight device for balancing the gravity born by the fourth sliding plate is arranged in the upright post.
The beneficial effects are that: the rotary table can clamp a workpiece, the rotary table can rotate, the rotary table can horizontally move along with the first sliding plate, the grinding main shaft can vertically move along the vertical sliding plate, the deep hole vertical multi-shaft machining grinding machine can finish grinding of an inner hole, an outer circle and an end face of the workpiece through one-time clamping, and the structural rigidity of the deep hole vertical multi-shaft machining grinding machine is high, so that the machining precision of the workpiece is improved. The grinding spindle can replace the grinding wheel through the tool magazine, and is beneficial to expanding the processing capacity of the deep hole vertical multi-axis processing grinding machine.
Drawings
The invention is further described with reference to the accompanying drawings:
FIG. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is a schematic view of the first grinding wheel of embodiment 1 of the present invention grinding an inner bore of a workpiece;
FIG. 3 is a schematic view of the end face of a workpiece ground by the first grinding wheel according to embodiment 1 of the present invention;
FIG. 4 is a schematic view of the second grinding wheel of embodiment 1 of the present invention grinding the outer circle of a workpiece;
FIG. 5 is a schematic view of the dresser dressing a second grinding wheel in accordance with embodiment 1 of the present invention;
FIG. 6 is a schematic diagram of the detection device of the embodiment 1 of the present invention detecting the outer circle of the workpiece;
FIG. 7 is a schematic diagram of the detecting device for detecting an inner hole of a workpiece according to embodiment 1 of the present invention;
Fig. 8 is a schematic structural diagram of embodiment 2 of the present invention.
Detailed Description
Example 1:
Referring to fig. 1 to 7, a deep hole vertical multi-axis machining grinder comprises a machine body 1 and a vertical column 2 arranged on one side of the machine body 1, wherein a first sliding plate 3 capable of horizontally moving along the top surface of the machine body 1 is arranged on the machine body 1, at least two vertical sliding plates capable of vertically moving along one side of the vertical column 2 are arranged on the vertical column 2, a tool magazine 4 and a turntable 5 capable of clamping a workpiece 19 are arranged on the first sliding plate 3, a plurality of grinding spindles capable of mounting grinding wheels are respectively arranged on each vertical sliding plate, the turntable 5 and the grinding spindles can rotate around respective axes, the horizontal distance between the turntable 5 and the axes of the grinding spindles can be adjusted by horizontally moving the first sliding plate 3, the vertical distance between the grinding wheels and the turntable 5 can be adjusted by vertically moving each vertical sliding plate, a detachable grinding wheel is arranged on the grinding spindle, and the first sliding plate 3 and the vertical sliding plates enable the grinding spindles to replace the grinding wheels through the tool magazine 4. The tool magazine 4 of the embodiment comprises a turntable with a number of grinding wheels detachably clamped on the turntable.
The turntable 5 can clamp the workpiece 19, the turntable 5 can rotate, the turntable 5 can move horizontally along with the first sliding plate 3, the grinding main shaft can move vertically along the vertical sliding plate, the deep hole vertical multi-shaft machining grinder can finish grinding of an inner hole, an outer circle and an end face of the workpiece 19 through one-time clamping, and the structural rigidity of the deep hole vertical multi-shaft machining grinder is high, so that the machining precision of the workpiece 19 is improved. The grinding spindle can replace a grinding wheel through the tool magazine 4, so that the processing capacity of the deep hole vertical multi-axis processing grinder can be expanded.
In order to improve machining precision, the vertical slide plate comprises a second slide plate 6 and a third slide plate 7, the grinding main shafts comprise a first grinding main shaft 8 and a second grinding main shaft 9, the first grinding main shaft 8 is arranged on the second slide plate 6, the second grinding main shaft 9 is arranged on the third slide plate 7, a detachable first grinding wheel 10 is arranged on the first grinding main shaft 8, and a detachable second grinding wheel 11 is arranged on the second grinding main shaft 9. The diameter of the second grinding wheel 11 is larger than that of the first grinding wheel 10, the first grinding wheel 10 is used for machining an inner hole and an end face of the workpiece 19, the second grinding wheel 11 is used for machining an outer circle of the workpiece 19, and different working procedures are completed by using different gears, so that machining precision is improved.
The number of the vertical slide plates and the grinding spindles in this embodiment is two, and in order to further expand the processing capacity of the deep-hole vertical multi-axis processing grinder, the number of the vertical slide plates and the grinding spindles may also be set to three or more.
In order to trim the grinding wheel, a grinding wheel trimmer is arranged on the first sliding plate 3, and comprises a pen seat 12 and a plurality of diamond pens arranged on the pen seat 12, wherein the pen seat 12 protrudes from the top surface of the first sliding plate 3. The diamond pen of this embodiment includes a first diamond pen 13, a second diamond pen 14 and a third diamond pen 15, the first diamond pen 13 and the second diamond pen 14 are respectively disposed at two sides of the pen holder 12, and the third diamond pen 15 is disposed at the top surface of the pen holder 12. The first diamond pen 13 and the second diamond pen 14 can trim the outer circle of the grinding wheel, and the third diamond pen 15 can trim the end face of the grinding wheel.
A screw mechanism and a first driving mechanism for driving the first sliding plate 3 to move horizontally are arranged between the first sliding plate 3 and the lathe bed 1, a screw mechanism and a second driving mechanism for driving the second sliding plate 6 to move vertically are arranged between the second sliding plate 6 and the upright post 2, and a screw mechanism and a third driving mechanism for driving the third sliding plate 7 to move vertically are arranged between the third sliding plate 7 and the upright post 2. A screw mechanism and a fourth driving mechanism for driving the fourth sliding plate 16 to vertically move are arranged between the fourth sliding plate 16 and the upright post 2. Each driving mechanism is controlled in a numerical control mode, and more processing requirements are met.
In order to provide a proper tool angle between the grinding wheel and the workpiece 19, the axis of the first grinding spindle 8 and the axis of the turntable 5 are inclined to each other, and the axis of the second grinding spindle 9 and the axis of the turntable 5 are inclined to each other.
In order to detect the size of the workpiece 19 in real time, a fourth slide plate 16 capable of moving vertically along one side of the upright 2 is arranged on the upright 2, and a detection device is arranged on the fourth slide plate 16, wherein the detection device comprises a slide rod 17 and a probe 18 arranged at the end part of the slide rod 17, the slide rod 17 extends towards the direction of the machine body 1, and the extending length of the slide rod 17 is adjustable. The slide bar 17 is telescopic, which is beneficial for detecting a workpiece 19 provided with an inner hole. The detection device can detect the size of the workpiece 19 in real time, is beneficial to timely correcting the deep hole vertical multi-axis machining grinder, and is beneficial to ensuring the machining precision.
In order to facilitate the driving of the second slide plate 6, the third slide plate 7 and the fourth slide plate 16, the upright post 2 is internally provided with a first counterweight device for balancing the gravity born by the second slide plate 6 and a second counterweight device for balancing the gravity born by the third slide plate 7, and the upright post 2 is internally provided with a third counterweight device for balancing the gravity born by the fourth slide plate 16. The configuration device is a mechanical counterweight or a hydraulic counterweight.
Example 2:
Referring to fig. 8, the structure of this embodiment is as shown in fig. 8, and this embodiment differs from embodiment 1 in that: the embodiment does not provide a detection device, and is beneficial to simplifying the structure of the machine tool.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present invention.
Claims (3)
1. The utility model provides a vertical multiaxis processing grinding machine of deep hole which characterized in that: the grinding machine comprises a machine body (1) and a stand column (2) arranged on one side of the machine body (1), wherein a first sliding plate (3) capable of horizontally moving along the top surface of the machine body (1) is arranged on the machine body (1), at least two vertical sliding plates capable of vertically moving along one side of the stand column (2) are arranged on the stand column (2), a tool magazine (4) and a turntable (5) capable of clamping a workpiece are arranged on the first sliding plate (3), a plurality of grinding spindles capable of mounting grinding wheels are respectively arranged on each vertical sliding plate, the turntable (5) and the grinding spindles can rotate around the respective axes, the horizontal distance between the turntable (5) and the axes of the grinding spindles can be adjusted by horizontally moving the first sliding plate (3), the vertical distance between the grinding wheels and the turntable (5) can be adjusted by vertically moving the vertical sliding plates, the detachable grinding wheels are arranged on the grinding spindles, and the first sliding plates (3) and the vertical sliding plates enable the grinding spindles to be replaced by the tool magazine (4);
The vertical sliding plate comprises a second sliding plate (6) and a third sliding plate (7), the grinding main shafts comprise a first grinding main shaft (8) and a second grinding main shaft (9), the first grinding main shaft (8) is arranged on the second sliding plate (6), the second grinding main shaft (9) is arranged on the third sliding plate (7), a detachable first grinding wheel (10) is arranged on the first grinding main shaft (8), and a detachable second grinding wheel (11) is arranged on the second grinding main shaft (9);
The grinding wheel dresser is arranged on the first sliding plate (3), the grinding wheel dresser comprises a pen seat (12) and a plurality of diamond pens arranged on the pen seat (12), the pen seat (12) protrudes from the top surface of the first sliding plate (3), the diamond pens comprise a first diamond pen (13), a second diamond pen (14) and a third diamond pen (15), the first diamond pen (13) and the second diamond pen (14) are respectively arranged on two sides of the pen seat (12), the third diamond pen (15) is arranged on the top surface of the pen seat (12), the first diamond pen (13) and the second diamond pen (14) can trim the excircle of a grinding wheel, and the third diamond pen (15) can trim the end surface of the grinding wheel;
A screw rod mechanism and a first driving mechanism for driving the first slide plate (3) to move horizontally are arranged between the first slide plate (3) and the lathe bed (1), a screw rod mechanism and a second driving mechanism for driving the second slide plate (6) to move vertically are arranged between the second slide plate (6) and the upright post (2), and a screw rod mechanism and a third driving mechanism for driving the third slide plate (7) to move vertically are arranged between the third slide plate (7) and the upright post (2);
The upright post (2) is internally provided with a first counterweight device for balancing the gravity borne by the second sliding plate (6) and a second counterweight device for balancing the gravity borne by the third sliding plate (7).
2. The deep hole vertical multi-axis machining grinder of claim 1, wherein: the vertical column (2) is provided with a fourth sliding plate (16) capable of vertically moving along one side of the vertical column (2), the fourth sliding plate (16) is provided with a detection device, the detection device comprises a sliding rod (17) and a probe (18) arranged at the end part of the sliding rod (17), the sliding rod (17) extends towards the direction of the lathe bed (1), and the extending length of the sliding rod (17) is adjustable.
3. The deep hole vertical multi-axis machining grinder of claim 2, wherein: a screw mechanism and a fourth driving mechanism for driving the fourth sliding plate (16) to vertically move are arranged between the fourth sliding plate (16) and the upright post (2), and a third counterweight device for balancing the gravity borne by the fourth sliding plate (16) is arranged in the upright post (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811508872.3A CN109531296B (en) | 2018-12-10 | 2018-12-10 | Vertical multiaxis processing grinding machine of deep hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811508872.3A CN109531296B (en) | 2018-12-10 | 2018-12-10 | Vertical multiaxis processing grinding machine of deep hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109531296A CN109531296A (en) | 2019-03-29 |
| CN109531296B true CN109531296B (en) | 2024-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811508872.3A Active CN109531296B (en) | 2018-12-10 | 2018-12-10 | Vertical multiaxis processing grinding machine of deep hole |
Country Status (1)
| Country | Link |
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| CN (1) | CN109531296B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112355793B (en) * | 2020-10-30 | 2022-05-03 | 长春市第一水泵有限公司 | End cover polishing device for processing sewage pump |
| CN113977423A (en) * | 2021-10-18 | 2022-01-28 | 德清勤龙磨床制造有限公司 | Numerical control vertical double-grinding head multifunctional grinding machine |
| CN114131438A (en) * | 2021-12-13 | 2022-03-04 | 烟台安信精密机械有限公司 | Small excircle machining process for flange plate type parts |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102765035A (en) * | 2012-07-31 | 2012-11-07 | 广州市敏嘉制造技术有限公司 | Four-spindle vertical numerical control grinding center |
| CN203236208U (en) * | 2013-05-06 | 2013-10-16 | 广州市敏嘉制造技术有限公司 | Combined machining center for machining pin wheel housing |
| CN209408079U (en) * | 2018-12-10 | 2019-09-20 | 广州市敏嘉制造技术有限公司 | A kind of deep hole vertical multi-shaft grinding machine |
-
2018
- 2018-12-10 CN CN201811508872.3A patent/CN109531296B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102765035A (en) * | 2012-07-31 | 2012-11-07 | 广州市敏嘉制造技术有限公司 | Four-spindle vertical numerical control grinding center |
| CN203236208U (en) * | 2013-05-06 | 2013-10-16 | 广州市敏嘉制造技术有限公司 | Combined machining center for machining pin wheel housing |
| CN209408079U (en) * | 2018-12-10 | 2019-09-20 | 广州市敏嘉制造技术有限公司 | A kind of deep hole vertical multi-shaft grinding machine |
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| CN109531296A (en) | 2019-03-29 |
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