CN114193327B - Right-angle side-by-side door and machine tool - Google Patents
Right-angle side-by-side door and machine tool Download PDFInfo
- Publication number
- CN114193327B CN114193327B CN202111427087.7A CN202111427087A CN114193327B CN 114193327 B CN114193327 B CN 114193327B CN 202111427087 A CN202111427087 A CN 202111427087A CN 114193327 B CN114193327 B CN 114193327B
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- China
- Prior art keywords
- door
- protective
- protective door
- guide rail
- right angle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000001681 protective effect Effects 0.000 claims abstract description 131
- 238000007789 sealing Methods 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000003754 machining Methods 0.000 description 11
- 238000001816 cooling Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- 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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/04—Protective covers for the grinding wheel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The invention relates to a right-angle side-by-side door, comprising: a protective shell, a first protective door, a second protective door, a top opening shield and a driving part which are arranged on the base; the first protective door and the second protective door are arranged at the corners of the protective shell and are positioned on the inner side of the protective shell; the first protective door and the second protective door are in sliding fit with the base; the top opening shield is connected with the upper part of the first protective door and is in sliding fit with the top of the protective shell; the driving part is used for driving the first protective door and/or the second protective door to open or close. The right-angle side-by-side door processing space is airtight and leakproof, and the protective door is arranged as an open right-angle side-by-side door which can be opened from different planes, so that the operability space of the processing area is increased; compared with other side-by-side door shields, the top opening shield can be opened or closed along with the protective door, and the space of a processing area can be utilized to the greatest extent.
Description
Technical Field
The invention relates to the field of machine tools, in particular to a right-angle side-by-side door.
Background
The machine tool is an indispensable part of modern industry, and for the importance of the modern industry, the protection outside the machine tool is an indispensable part of the machine tool, and has the functions of beautifying the appearance, increasing the identification, ensuring the safety of equipment and operators, protecting the environment, reducing noise, preventing moisture, preventing humidity and the like, and along with the continuous development of the machine tool, the protection function and the protection style of the machine tool are also continuously updated.
Grinding machine machining action is grinding, grinding work is the leading place in machining, accurate preparation of machine parts relies on the grinding machine very much, the grinding machine often can produce very high heat in the course of working, too high heat can lead to work piece deformation or performance to be impaired, consequently most grinding machine cooling oil quantity can be very big, the cooling oil is relative to the coolant liquid permeability stronger, to the grinding machine protection, the leakproofness of protection is crucial, along with the continuous development of grinding machine, the function of grinding machine is continuously refined, the outer protection of corresponding grinding machine also is continuous change.
In order to consider the tightness of a machining area, the machining area is initially placed in the front of a machine tool in the machine tool casting design, so that the protection can be designed into a plane split door according to the conventional protection design in the design, but as the types of grinding machines are increased continuously, a single plane split door in the protection cannot meet different types of grinding machines, part of the grinding machine protection is limited by workpieces and the machining area needs to be placed at the corner of the machine tool, loading and unloading and observing and loading and unloading of the machine tool need to be carried out from different planes, at the moment, the common plane split door for machine tool protection cannot meet the protection requirement, and in addition, the tightness of the common right angle split door for cooling oil cannot meet the requirement, so that how to provide an open right angle split door with a machining space which can be sealed and can be opened from different planes for the machine tool protection is a problem to be solved by a person skilled in the art.
Disclosure of Invention
Based on the above, it is necessary to provide a right-angle side-by-side door for solving the technical problems that the conventional planar side-by-side door cannot meet the protection requirement and has poor tightness to cooling oil.
A right-angle side-by-side door comprises a protective shell, a first protective door, a second protective door, a top opening shield and a driving part, wherein the protective shell is arranged on a base; the first protective door and the second protective door are arranged at the corners of the protective shell and are positioned on the inner side of the protective shell; the first protective door and the second protective door are in sliding fit with the base; the top opening shield is connected with the upper part of the first protective door and is in sliding fit with the top of the protective shell; the driving part is used for driving the first protective door and/or the second protective door to open or close.
Further, a first guide rail is arranged on one surface, facing the base, of the top of the protective shell, and a second guide rail perpendicular to the extending direction of the first guide rail is arranged on the inner side, close to the side wall of the second protective door, of the protective shell; one side of the top opening shield is provided with a first sliding block matched with the first guide rail, and the upper part of the second protective door is provided with a second sliding block matched with the second guide rail.
Further, a third guide rail and a fourth guide rail which are perpendicular to each other in the extending direction are arranged on the base; the downside of the first protection door is provided with a third sliding block matched with the third guide rail, and the downside of the second protection door is provided with a fourth sliding block matched with the fourth guide rail.
Further, limit stops are respectively arranged at two ends of the first guide rail, the second guide rail, the third guide rail and the fourth guide rail, and the limit stops are used for blocking the sliding blocks.
Further, a cushion pad is arranged on one side of the limit stop, which is close to the sliding block.
Further, the flange of the first protective door is provided with a first inclined plane, the flange of the second protective door is provided with a second inclined plane, and the first inclined plane is in sealing fit with the second inclined plane.
Further, a sealing strip is sleeved on the blocking edge of the first protective door.
Further, a guide block is arranged on the upper side of the second protective door, and a guide bearing matched with the guide block is arranged on the upper side of the first protective door.
Further, the guide block comprises a fixing part and a protruding part, the fixing part is fixed on the upper side of the second protective door through a bolt, and one side of the protruding part can be abutted with the guide bearing.
A machine tool comprising a right angle side-by-side door as described above.
The right-angle side-by-side door provided by the invention has the advantages that the processing space is airtight and leakproof, and the protective door is an open right-angle side-by-side door which can be opened from different planes, so that the operability space of the processing area is increased; compared with other side-by-side door shields, the shield with the opening at the top can be opened or closed along with the protective door, so that the space of a processing area can be utilized to the greatest extent; in order to prevent the manufacturing deformation, a guide structure is added to avoid the problem of uneven gaps of the protective door when the protective door is closed. When the right-angle side-by-side door is used for machining in a machine tool, the operable space of the machining area of the machine tool can be increased.
Drawings
FIG. 1 is an overall schematic diagram of a right angle side-by-side door of a grinding machine;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a side view of FIG. 1;
FIG. 4 is a top view of FIG. 1;
FIG. 5 is a cross-sectional view of the plane C-C of FIG. 2;
fig. 6 is an enlarged view of a portion I, II of fig. 5;
FIG. 7 is a cross-sectional view taken along the plane of FIG. 4 A-A;
FIG. 8 is an enlarged view of portions III, IV of FIG. 7;
fig. 9 is an enlarged view of the V portion of fig. 4;
FIG. 10 is a cross-sectional view taken along the B-B plane in FIG. 3;
fig. 11 is an enlarged view of the VI portion of fig. 10.
The marks in the figure: 1. protective housing 2, first protective door, 3, second protective door, 4, open-top shield, 5, drive section, 18, limit stop, 19, cushion, 21, first rail, 22, second rail, 23, second slider, 24, first connector, 25, seal, 26, guide bearing, 31, third rail, 32, fourth rail, 33, third slider, 34, fourth slider, 35, second connector, 36, guide block, 41, first guide block, 51, first drive section, 52, second drive section, 361, fixing section, 362, projection
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "top," "bottom," "top," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In one embodiment, a right angle side-by-side door includes: a protective shell 1, a first protective door 2, a second protective door 3, a top opening shield 4 and a driving part 5 which are arranged on the base; the first protective door 2 and the second protective door 3 are arranged at the corners of the protective shell 1 and are positioned on the inner side of the protective shell 1; the first protective door 2 and the second protective door 3 are in sliding fit with the base; the open-top shield 4 is connected with the upper part of the first protective door 2 and is in sliding fit with the top of the protective shell 1; the driving part 5 is used for driving the first protective door 2 and/or the second protective door 3 to open or close.
A machine tool comprising a right angle side-by-side door as described above.
The right angle side by side door of above-mentioned, with two guard gates setting at the corner of guard casing department increase processing space to open at the top guard shield is connected with a guard gate, and open at the top guard shield can be opened together with the guard gate, has further increased the operating space in processing region, guard gate and grinding machine base and guard casing sliding fit, the opening or the closing of the guard gate of being convenient for, further drive the guard gate through drive division in order to realize the automation of equipment and use manpower sparingly. When the right-angle side-by-side door is used for machining in a machine tool, the operable space of the machining area of the machine tool can be increased.
The right angle side-by-side door and machine tool are described below with reference to specific embodiments to further understand the inventive concept of the right angle side-by-side door and machine tool, referring to fig. 1, the right angle side-by-side door is used for a machining area at a corner of a machine tool or a grinding machine, and the right angle side-by-side door includes: a protective shell 1, a first protective door 2, a second protective door 3, a top opening shield 4 and a driving part 5 which are arranged on the base; the first protective door 2 and the second protective door 3 are arranged at the corners of the protective shell 1 and are positioned on the inner side of the protective shell 1, and the included angle between the first protective door 2 and the second protective door 3 is a right angle; the downside of the first protective door 2 and the downside of the second protective door 3 are both in sliding fit with the base, the open-top shield 4 is connected with the upper part of the first protective door and in sliding fit with the top of the protective housing 1, and the driving part 5 is used for driving the opening or closing of the first protective door 2 and the second protective door 3.
In the invention, by arranging the independent open-top shield 4 and connecting one side of the open-top shield 4 with the upper part of the first protective door 2, the other side of the open-top shield 4 is in sliding fit with the top of the protective shell 1, so that the open-top shield 4 can be opened along with the first protective door 2, thereby being convenient for operation in the vertical direction. Compared with the right-angle side-by-side door in the prior art, the right-angle side-by-side door increases the operation space in the vertical direction of the machine tool, is convenient to operate in the vertical direction, and can be operated at corners through lifting equipment and the like.
Referring to fig. 2-8, in the first embodiment, a first guide rail 21 is disposed on a surface of the top of the protective housing 1 facing the machine tool base, the direction of the first guide rail 21 is consistent with that of the first protective door 2, a second guide rail 31 perpendicular to the extending direction of the first guide rail is disposed on the inner side of the side wall of the protective housing 1, which is close to the second protective door 3, a first slider matched with the first guide rail 31 is disposed on one side of the top opening shield 4 away from the first protective door 1, and a second slider matched with the second guide rail 31 is disposed on the upper portion of the second protective door 3. The machine tool base is provided with a third guide rail 22 and a fourth guide rail 32 which are mutually perpendicular in extension direction, and the direction of the third guide rail 22 is consistent with the direction of the first protective door 1; the lower side of the first protective door is arranged on a third sliding block 23 matched with the third guide rail 22, and the lower side of the second protective door 3 is provided with a fourth sliding rail 34 matched with the fourth guide rail 32. Wherein the first guide rail 21 is fixed on the top of the protective housing 1 through bolts, the second guide rail 31 is fixed on the upper side of the inner wall of the protective housing 1 through bolts, and the third guide rail 22 and the fourth guide rail 32 are fixed on the upper end surface of the machine tool base through bolts.
Preferably, referring to fig. 6, the first rail 21, the second rail 31, the third rail 22 and the fourth rail 32 are provided with limit stops 18 at both ends thereof, wherein the limit stops 18 are mounted at the ends of the rails by jackscrews, and the slider is prevented from sliding out of the rails by the limit stops 18.
Preferably, referring to fig. 6, a cushion 19 is disposed on the side of the limit stop 18 near the slider to prevent the slider from rigidly colliding with the limit stop 18.
Referring to fig. 5 and 7, the first driving part 5 includes a first driving member 51 and a second driving member 52, the first driving member is connected to the open-top shield through a first connecting member 24, and the second driving member 52 is connected to the second shield door connection 3 through a second connecting member 35. The first driving piece 51 drives the open-top shield 4 and the first protective door 2 to slide on the first guide rail 21 and the third guide rail 22, and the second driving piece 52 drives the second protective door 3 to slide on the second guide rail 31 and the third guide rail 32.
In the second embodiment, referring to fig. 4 and fig. 9-11, the baffle of the first protection door 2 is set to be a first inclined plane, the angle between the first inclined plane and the extending direction of the first protection door 2 is preferably 45 °, the baffle of the second protection door is set to be a second inclined plane, the angle between the second inclined plane and the extending direction of the second protection door 2 is preferably 45 °, and further the first inclined plane and the second inclined plane are guaranteed to be closely attached when the two protection doors are closed, so as to prevent oil leakage.
Preferably, referring to fig. 11, a sealing strip 25 is sleeved on the flange of the first protective door 2, preferably made of elastic material, and can be set to be self-clamping, and when the sealing strip 24 contacts with the second inclined surface of the second protective door 3, the sealing strip is further sealed to prevent oil leakage.
In the third embodiment, referring to fig. 4 and 9, a guide block 36 is disposed on the upper side of the second protection door 3 near the flange, and a guide bearing matched with the guide block is disposed on the upper side of the first protection door 2 near the flange. When the first protective door 2 and the second protective door 3 are close, the guide block 36 is in contact with the guide bearing 25, so that the sliding speed of the two protective doors is slowed down, rigid collision of the two protective doors is avoided, and the problem of uneven gaps of the two protective doors when the two protective doors are closed is avoided through the guide structure.
Referring to fig. 9, the guide block 36 includes a fixing portion 361 and a protruding portion 362, the fixing portion 361 is fixed on the upper vehicle of the second protection door by a bolt, and one side of the protruding portion 362 may abut against the guide bearing. When the projection 362 contacts the guide bearing 25, the two guard doors are slowly closed at a uniform speed. The connection between the protruding part 362 and the fixed part 361 is rounded or chamfered, and the sliding of the two protection doors is stopped when the two protection door flanges are abutted.
When the right-angle side-by-side door for the machine tool works, the second driving piece 52 drives the second sliding block 32 and the fourth sliding block 33 on the second protective door 3 to slide on the second guide rail 31 and the fourth guide rail 32 respectively through the second connecting piece 35, and the second protective door 3 is opened; simultaneously, the first driving piece 51 drives the open-top shield 4 to slide on the first guide rail 21 through the second connecting piece 24, the third sliding block 23 on the first protective door 2 slides on the third guide rail 22 once, and the first protective door 2 is opened; after both the first protective door 2 and the second protective door 3 are opened, loading and unloading are started, after loading and unloading are completed, the first driving piece 51 and the second driving piece 52 drive the first protective door 2 and the second protective door 3 to be closed, when the first protective door is closed, the guide block 36 is contacted with the guide bearing 26, the sliding speed of the two protective doors is slowed down, the two doors are slowly closed, and meanwhile, the sealing strip 25 is contacted with the second inclined plane of the second protective door 3 to be further sealed.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (9)
1. A right angle side-by-side door, the right angle side-by-side door comprising: a protective shell (1), a first protective door (2), a second protective door (3), a top opening shield (4) and a driving part (5) which are arranged on the base; the first protective door (2) and the second protective door (3) are arranged at the corners of the protective shell (1) and are positioned on the inner side of the protective shell (1); the first protective door (2) and the second protective door (3) are in sliding fit with the base; the open-top shield (4) is connected with the upper part of the first protective door (2) and is in sliding fit with the top of the protective shell (1); the driving part (5) is used for driving the first protective door (2) and/or the second protective door (3) to open or close; the flange of the first protection door (2) is provided with a first inclined plane, the flange of the second protection door (3) is provided with a second inclined plane, and the first inclined plane is in sealing fit with the second inclined plane.
2. The right-angle side-by-side door according to claim 1, wherein a first guide rail (21) is arranged on one surface of the top of the protective housing (1) facing the base, and a second guide rail (31) perpendicular to the extending direction of the first guide rail (21) is arranged on the inner side of the side wall of the protective housing (1) close to the second protective door (3); one side of the open-top shield (4) is provided with a first sliding block (41) matched with the first guide rail (21), and the upper part of the second protective door (3) is provided with a second sliding block (33) matched with the second guide rail (31).
3. A right angle side-by-side door according to claim 2, characterized in that the base is provided with a third guide rail (22) and a fourth guide rail (32) which extend in mutually perpendicular directions; the lower side of the first protective door (2) is provided with a third sliding block (23) matched with the third guide rail (22), and the lower side of the second protective door (3) is provided with a fourth sliding block (34) matched with the fourth guide rail (32).
4. A right angle side-by-side door according to claim 3, characterized in that the first rail (21), the second rail (31), the third rail (22) and the fourth rail (32) are each provided with a limit stop (18) at both ends, said limit stop (18) being adapted to block said respective slide blocks.
5. A right angle side-by-side door according to claim 4, characterized in that the limit stop (18) is provided with a cushion (19) on the side close to the slider.
6. Right angle side by side door according to claim 1, characterized in that the blocking edge of the first protective door (2) is sleeved with a sealing strip (25).
7. A right angle side-by-side door according to claim 1, characterized in that the upper side of the second protective door (3) is provided with a guide block (36), and the upper side of the first protective door (2) is provided with a guide bearing (26) cooperating with the guide block (36).
8. The right angle side-by-side door according to claim 7, wherein the guide block (36) comprises a fixing portion (361) and a protruding portion (362), the fixing portion (361) is fixed on the upper side of the second protection door (3) by a bolt, and one side of the protruding portion (362) abuts against the guide bearing (26).
9. A machine tool comprising a right angle side-by-side door as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111427087.7A CN114193327B (en) | 2021-11-29 | 2021-11-29 | Right-angle side-by-side door and machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111427087.7A CN114193327B (en) | 2021-11-29 | 2021-11-29 | Right-angle side-by-side door and machine tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114193327A CN114193327A (en) | 2022-03-18 |
| CN114193327B true CN114193327B (en) | 2023-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111427087.7A Active CN114193327B (en) | 2021-11-29 | 2021-11-29 | Right-angle side-by-side door and machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114193327B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2033141A (en) * | 1933-05-08 | 1936-03-10 | Giddings & Lewis | Protective means for guideways |
| US5897430A (en) * | 1995-11-10 | 1999-04-27 | Hawema Werkzeugschleifmaschinen Gmbh | Protective enclosure |
| CN203495675U (en) * | 2013-09-17 | 2014-03-26 | 浙江西菱股份有限公司 | Protective door of numerically-controlled machine tool |
| AU2015101360A4 (en) * | 2015-09-21 | 2015-11-05 | Dongyang Linix Machine Electricity Co.,Ltd. | A Protective cover for guideway of workbench of worm grinding machine |
| CN107791090A (en) * | 2017-09-04 | 2018-03-13 | 宁夏共享机床辅机有限公司 | A kind of horizontal machining center machine protects vertical clamshell doors |
| CN208681340U (en) * | 2018-08-06 | 2019-04-02 | 南通凯特机床有限公司 | A kind of post movable surface grinding machine full protection cover |
| CN110919455A (en) * | 2019-12-24 | 2020-03-27 | 齐重数控装备股份有限公司 | Automatic lifting door structure of vertical machine tool complete machine protective cover |
| CN214770807U (en) * | 2021-07-09 | 2021-11-19 | 珠海市康信精密机械有限公司 | Two protection carving of opening door mill |
-
2021
- 2021-11-29 CN CN202111427087.7A patent/CN114193327B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2033141A (en) * | 1933-05-08 | 1936-03-10 | Giddings & Lewis | Protective means for guideways |
| US5897430A (en) * | 1995-11-10 | 1999-04-27 | Hawema Werkzeugschleifmaschinen Gmbh | Protective enclosure |
| CN203495675U (en) * | 2013-09-17 | 2014-03-26 | 浙江西菱股份有限公司 | Protective door of numerically-controlled machine tool |
| AU2015101360A4 (en) * | 2015-09-21 | 2015-11-05 | Dongyang Linix Machine Electricity Co.,Ltd. | A Protective cover for guideway of workbench of worm grinding machine |
| CN107791090A (en) * | 2017-09-04 | 2018-03-13 | 宁夏共享机床辅机有限公司 | A kind of horizontal machining center machine protects vertical clamshell doors |
| CN208681340U (en) * | 2018-08-06 | 2019-04-02 | 南通凯特机床有限公司 | A kind of post movable surface grinding machine full protection cover |
| CN110919455A (en) * | 2019-12-24 | 2020-03-27 | 齐重数控装备股份有限公司 | Automatic lifting door structure of vertical machine tool complete machine protective cover |
| CN214770807U (en) * | 2021-07-09 | 2021-11-19 | 珠海市康信精密机械有限公司 | Two protection carving of opening door mill |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114193327A (en) | 2022-03-18 |
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