CN111660020A - Lifting door and machine tool shield - Google Patents
Lifting door and machine tool shield Download PDFInfo
- Publication number
- CN111660020A CN111660020A CN202010621082.7A CN202010621082A CN111660020A CN 111660020 A CN111660020 A CN 111660020A CN 202010621082 A CN202010621082 A CN 202010621082A CN 111660020 A CN111660020 A CN 111660020A
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- China
- Prior art keywords
- door
- plate
- cylinder group
- telescopic cylinder
- door panel
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators
- E05F15/51—Power-operated mechanisms for wings using fluid-pressure actuators for folding wings
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators
- E05F15/57—Power-operated mechanisms for wings using fluid-pressure actuators for vertically-sliding wings
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention provides a lifting door, which adopts the following scheme: the lifting type three-door structure comprises three doors capable of sliding up and down, the three doors are driven by three cylinder groups respectively, the three doors can be lifted up and overlapped at a high position through the coordination of the three doors and the cylinder groups, the overall height of the lifting back door of the door is reduced, and under the condition that the lifting type three-door structure is limited by the height of a roof, a door opening can be three times of the height of an original set door when the lifting type three-door structure is opened, so that an operator can conveniently enter and exit the lifting type three-door structure. In addition, this scheme still provides a lathe guard shield, and the upper portion of guard shield body is provided with the baffle in the position that last door plant corresponds, one side of baffle is articulated on the guard shield body through elastic hinge, the opposite side of baffle is provided with the gyro wheel. Through setting up the baffle in order allowing the lift door lifting to pass the guard shield, increase the gyro wheel on the baffle, play the effect of protection lift door lacquer painting.
Description
Technical Field
The invention relates to the field of laser cutting machines, in particular to a lifting door used on a peripheral shield of a machine tool of a laser cutting machine, and further relates to a machine tool shield.
Background
The laser cutting machine field can be generally divided into two types of a full-cover type laser cutting machine and a half-cover type laser cutting machine, wherein the full-cover type laser cutting machine is provided with a relatively closed metal plate shield at the periphery of a machine tool of the laser cutting machine, a structure similar to a box body is formed, and the working part of the machine tool is wrapped in the shield, so that the purposes of reducing smoke and dust loss, enhancing dust removal, preventing laser radiation from leaking, preventing the working part from hurting people and the like are achieved. Most of all-cover laser cutting machines on the market comprise two exchangeable working platforms, wherein the working platforms are located inside the protective cover, the non-working platforms are located outside the protective cover, and workers can carry out feeding and discharging on the non-working platforms without influencing the normal operation of a machine tool.
The laser cutting machine of single platform also has a large amount of market demands, when the customer place is limited and can't normally place two platform equipment, will use single platform laser cutting machine, in addition above-mentioned full-cover type laser cutting machine is half bell-and-half formula laser cutting machine's advantage mutually, and full-cover type single platform laser cutting machine takes place at the appropriate time.
At present, because of the work platform of the full-cover type single-platform laser cutting machine is positioned inside the protective cover, the workers need to enter the equipment when feeding and discharging plates. If people get into the inside door of full-cover type single platform laser cutting machine and adopt the form of overhead door, the lifting height of overhead door adds the height of lathe itself, just needs higher space, and when the roof height in workshop was not enough, the overhead door can't be lifted to sufficient height, and the workman just need bow to get into when getting into, lifts panel under this kind of condition, is very inconvenient
Therefore, aiming at the current situation that the lifting door on the machine tool protective cover cannot be lifted to a sufficient height due to the limitation of the height of the roof, the problem that the lifting door which is lifted to a high height and occupies the bottom of the upper space after being lifted is urgently needed to be solved is researched and developed.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a lifting door, which aims to solve the problem that the lifting door on the machine tool shield cannot be lifted to a sufficient height due to the limitation of the height of a roof.
The technical scheme adopted by the invention for solving the technical problems is as follows: a lifting door comprises three doors which can slide up and down and are respectively an upper door plate, a middle door plate and a lower door plate, the upper door plate is driven by a first telescopic cylinder group, a piston rod of the first telescopic cylinder group is connected with the upper part of the upper door plate and can drive the upper door plate to ascend by extending out of the piston rod, the middle door plate is driven by a second telescopic cylinder group, a piston rod of the second telescopic cylinder group is connected with the upper part of the middle door plate and can drive the middle door plate to ascend by extending out of the piston rod, the cylinder body of the second telescopic cylinder group is connected with the upper door plate to enable the second telescopic cylinder group to move along with the upper door plate, the lower door plate is driven by a third telescopic cylinder group, a piston rod of the third telescopic cylinder group is connected with the lower part of the lower door plate and can drive the lower door plate to ascend through the contraction of a piston cylinder, the cylinder body of the third telescopic cylinder group is connected with the middle door plate together, so that the third telescopic cylinder group can move together with the middle door plate; the door frame is characterized by further comprising a fixing plate used for being fixed on the door frame, and the bottom of the cylinder body of the first telescopic cylinder group is fixed on the fixing plate, so that the position of the first telescopic cylinder group is fixed, and the stroke of the upper door plate is fixed. Providing support for the first cylinder block. Through the coordination and cooperation of the three doors and the telescopic cylinder group, the three doors can be lifted and overlapped at a high position, the overall height of the lifting back door of the door is reduced, the door opening can reach three times of the height of the original set door when the lifting back door is opened under the condition that the lifting back door is limited by the height of the roof, and an operator can conveniently enter and exit the lifting back door.
Further, the upper door plate, the middle door plate and the lower door plate are arranged in a staggered mode, the upper door plate is located on the outer side, the middle door plate is located on the inner side of the upper door plate, and the lower door plate is located on the inner side of the middle door plate. Through the staggered arrangement, the three doors can be overlapped together, and meanwhile, the assembly is convenient.
Furthermore, a vertical track is arranged on the inner wall of the upper door plate, a sliding block is arranged on the outer wall of the middle door plate, the middle door plate is installed on the track of the upper door plate in a matched mode through the sliding block, the vertical track is arranged on the inner wall of the middle door plate, a sliding block is arranged on the outer wall of the lower door plate, and the lower door plate is installed on the track of the middle door plate in a matched mode through the sliding block. And the three doors are in close sliding fit.
Furthermore, the bottom of the upper door plate is fixedly connected with a support, the bottom of the support is lower than the bottom of the upper door plate, the support is located at the side end of the upper door plate, and the bottom of the cylinder body of the second telescopic cylinder group is fixedly connected with the bottom of the support. Provide stable support for the flexible group of jar of second, also guaranteed the stroke that can drive middle door plant and remove simultaneously.
Furthermore, the door frame further comprises a frame body guide rail used for being fixed on the door frame, and the support is installed on the frame body guide rail through a sliding block. The second telescopic cylinder group can be guaranteed to move along with the upper door plate.
Further, the height of the frame guide rail allows the bottom of the upper door panel to reach the upper portion of the frame guide rail when the three doors are open and the top of the upper door panel to reach the upper portion of the frame guide rail when the three doors are closed. The frame rails are mounted to the door frame to ensure the stability of the three doors sliding along the tracks and their sliding within their formed range.
Furthermore, a first connecting plate is fixed to the upper portion of the upper door plate, a piston rod of the first telescopic cylinder group is connected with the first connecting plate, a second connecting plate is fixed to the upper portion of the middle door plate, a piston rod of the second telescopic cylinder group is connected with the second connecting plate, the bottom of a cylinder body of the third telescopic cylinder group is fixed to the second connecting plate, a third connecting plate is fixed to the lower portion of the lower door plate, and a piston rod of the third telescopic cylinder group is connected with the third connecting plate. The connection and matching of the telescopic cylinder group and the three doors are realized.
Further, first telescopic cylinder group, second telescopic cylinder group and third telescopic cylinder group all include the same cylinder of two strokes to the mode of setting up of two cylinders also all sets up the left and right sides that corresponds the door plant separately.
In addition, this scheme still provides a lathe guard shield, including foretell overhead door, still includes the guard shield body, the fixed plate is fixed on the door frame of guard shield body, the framework guide rail is also fixed on the door frame of guard shield body, the upper portion of guard shield body is provided with the baffle in the position that last door plant corresponds, one side of baffle articulates on the guard shield body through elastic hinge, the opposite side of baffle is provided with the gyro wheel, it can the upward movement open the baffle and pass the guard shield body to go up the door plant. Because the baffle is pushed open when the lifting door rises, the non-shaft end of the baffle is tightly attached to the upper door plate under the action of the elastic hinge, and therefore when the lifting door falls, the risk that the paint surface of the upper door plate is scratched by the baffle is generated, and therefore, the roller is additionally arranged on the baffle to play a role in protecting the paint surface.
According to the technical scheme, the invention has the following advantages:
this scheme provides a lift door, utilizes three cylinders of group to drive three doors and goes up and down, under their synergism, can make three doors raise and make these three door coincide in the eminence together, realizes that the door reduces at the whole height of lifting back door, under the condition that is subject to the roof height, can make the door opening reach the triple of former settlement door height when opening, makes operating personnel business turn over convenient.
This scheme still provides a lathe guard shield, passes the guard shield through setting up the baffle in order to allow the overhead door lifting, increases the gyro wheel on the baffle, plays the effect of protection overhead door lacquer painting.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, 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 that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a front view of embodiment 1 of the present invention when closed.
Fig. 2 is a rear side view of fig. 1.
Fig. 3 is a front view of embodiment 1 of the present invention when opened.
Fig. 4 is a rear side view of fig. 3.
Fig. 5 is a schematic view of embodiment 2 of the present invention when the lift gate is closed.
Fig. 6 is a schematic view of embodiment 2 of the present invention when the lift gate is opened.
Fig. 7 is a partial enlarged view at C in fig. 6.
In the figure, 1, an upper door plate, 2, a middle door plate, 3, a lower door plate, 4, a first telescopic cylinder group, 5, a second telescopic cylinder group, 6, a third telescopic cylinder group, 7, a bracket, 8, a frame guide rail, 9, a first connecting plate, 10, a second connecting plate, 11, a third connecting plate, 12, a fixing plate, 13, a rail, 20, a shield body, 21, a baffle, 22 and a roller.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is apparent that the embodiments described below are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.
Detailed description of the preferred embodiment 1
As shown in fig. 1 to 4, the present invention provides a lifting door, which mainly comprises three doors capable of sliding up and down, and a frame guide rail 8 and a fixing plate 12 for connecting the doors and a door frame, wherein the fixing plate 12 and the frame guide rail 8 are provided with two sets, which are respectively located at two sides of the three doors and symmetrically arranged, the three doors are respectively an upper door plate 1, a middle door plate 2 and a lower door plate 3, the upper door plate 1 is driven by a first telescopic cylinder group 4, a piston rod of the first telescopic cylinder group 4 is connected with an upper portion of the upper door plate 1 and can drive the upper door plate 1 to ascend through the extension of the piston rod, the middle door plate 2 is driven by a second telescopic cylinder group 5, a piston rod of the second telescopic cylinder group 5 is connected with an upper portion of the middle door plate 2 and can drive the middle door plate 2 to ascend through the extension of the piston rod, a cylinder body of the second telescopic cylinder group 5 is connected with the upper door plate 1 to enable the second telescopic cylinder group 5 to, lower door plant 3 is driven by third telescopic cylinder group 6, and door plant 3 rises under the piston rod of third telescopic cylinder group 6 and the sub-unit connection of lower door plant 3 and the shrink of accessible piston cylinder drives, and the cylinder body of third telescopic cylinder group 6 links together with middle door plant 2 can make third telescopic cylinder group 6 along with middle door plant 2 moves together.
Specifically, an upper door panel 1, a middle door panel 2 and a lower door panel 3 are arranged in a staggered manner, the upper door panel 1 is positioned at the outer side, the middle door panel 2 is positioned at the inner side of the upper door panel 1, the lower door panel 3 is positioned at the inner side of the middle door panel 2, a vertical rail 13 is arranged on the inner wall of the upper door panel 1, a sliding block is arranged on the outer wall of the middle door panel 2, the middle door panel 2 is arranged on the rail 13 of the upper door panel 1 in a matching manner through the sliding block, a vertical rail 13 is arranged on the inner wall of the middle door panel 2, a sliding block is arranged on the outer wall of the lower door panel 3, the lower door panel 3 is arranged on the rail 13 of the middle door panel 2 in a matching manner through the sliding block, a support 7 is fixedly connected to the bottom of the upper door panel 1, the bottom of the support 7 is lower than the bottom of the upper door panel 1, the support, meanwhile, the stroke capable of driving the middle door panel 2 to move is also ensured; the upper portion of going up door plant 1 is fixed with first connecting plate 9, and the piston rod of first telescopic cylinder group 4 is connected with first connecting plate 9, and the upper portion of middle door plant 2 is fixed with second connecting plate 10, and the piston rod of second telescopic cylinder group 5 is connected with second connecting plate 10, and the cylinder body bottom of third telescopic cylinder group 6 is fixed on second connecting plate 10, and the lower part of lower door plant 3 is fixed with third connecting plate 11, and the piston rod of third telescopic cylinder group 6 is connected with third connecting plate 11. Wherein, the cylinder body bottom of the first telescopic cylinder group 4 is fixed on the fixed plate 12 to provide support for the first cylinder body group. The bracket 7 is installed on the frame guide rail 8 through a slide block and can slide up and down along the frame guide rail 8, the height of the frame guide rail 8 allows the bottom of the upper door panel 1 to reach the upper part of the frame guide rail 8 when the three doors are opened, and the top of the upper door panel 1 to reach the upper part of the frame guide rail 8 when the three doors are closed. The frame rails 8 are mounted on the door frame to ensure the stability of the three doors sliding along the rails 13 and their sliding within their formed range.
Wherein, first telescopic cylinder group 4, second telescopic cylinder group 5 and third telescopic cylinder group 6 all include the same cylinder of two strokes to the mode of setting up of two cylinders also all sets up the left and right sides that corresponds the door plant separately, is symmetrical arrangement.
The working principle of the lifting door is as follows: when the lifting door is opened, firstly, the piston cylinder of the first telescopic cylinder group 4 extends out to jack the upper door plate 1, meanwhile, the upper door plate 1 drives the second telescopic cylinder group 5 to ascend, and further drives the middle door plate 2 to ascend, and the first telescopic cylinder group 4 keeps an extending state after the upper door plate 1 is jacked up; then, the second telescopic cylinder group 5 extends out to jack the middle door panel 2, so that the middle door panel 2 is overlapped with the upper door panel 1, namely the heights are basically the same, meanwhile, the middle door panel 2 can drive the third telescopic cylinder group 6 to ascend, further drive the lower door panel 3 to ascend, and the second telescopic cylinder group 5 keeps an extending state after the middle door panel 2 is jacked; and finally, the piston rod of the third telescopic cylinder group 6 contracts to pull up the lower door plate 3 again, so that the lower door plate 3 is overlapped with the other two door plates, namely the height is basically the same, and the third telescopic cylinder group 6 keeps a contraction state after the lower door plate 3 is pulled up, so that the lifting of the lifting door is completed.
When the lifting door is closed, the three telescopic cylinder groups do the opposite action to the opening action, namely, the piston rod of the third telescopic cylinder group 6 extends to push the lower door plate 3 to descend, and at the moment, the third telescopic cylinder group 6 keeps the extension state; then, the piston rod of the second telescopic cylinder group 5 contracts to drive the middle door panel 2 to descend and simultaneously drive the lower door panel 3 to descend, and at the moment, the second telescopic cylinder group 5 keeps a contracted state; and finally, the piston rod of the first telescopic cylinder group 4 contracts to drive the upper door plate 1 to descend, further drive the middle door plate 2 and the lower door plate 3 to descend again, and at the moment, the first telescopic cylinder group 4 keeps a contraction state to complete the closing of the lifting door.
Detailed description of the preferred embodiment 2
The present embodiment provides a machine tool shield, as shown in fig. 5 to 7, including the lift door of embodiment 1, further including a shield body 20, the fixing plate 12 is fixed on the door frame of the shield body 20, the frame guide 8 is also fixed on the door frame of the shield body 20, the upper portion of the shield body 20 is provided with a baffle 21 at a position corresponding to the upper door panel 1, one side of the baffle 21 is hinged on the shield body 20 through an elastic hinge, the other side of the baffle 21 is provided with a roller 22, and the upper door panel 1 can move upward to open the baffle 21 and pass through the shield body 20.
The terms "upper", "lower", "outside", "inside" and the like in the description and claims of the present invention and the above drawings, if any, are used for distinguishing relative positions without necessarily being construed qualitatively. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A lifting door is characterized by comprising three doors capable of sliding up and down, wherein the three doors are respectively an upper door plate (1), a middle door plate (2) and a lower door plate (3), the upper door plate (1) is driven by a first telescopic cylinder group (4), a piston rod of the first telescopic cylinder group (4) is connected with the upper part of the upper door plate (1) and can drive the upper door plate (1) to ascend through the extension of the piston rod, the middle door plate (2) is driven by a second telescopic cylinder group (5), a piston rod of the second telescopic cylinder group (5) is connected with the upper part of the middle door plate (2) and can drive the middle door plate (2) to ascend through the extension of the piston rod, a cylinder body of the second telescopic cylinder group (5) is connected with the upper door plate (1) together to enable the second telescopic cylinder group (5) to move together with the upper door plate (1), and the lower door plate (3) is driven by a third telescopic cylinder group (6), a piston rod of the third telescopic cylinder group (6) is connected with the lower part of the lower door plate (3) and can drive the lower door plate (3) to ascend through the contraction of a piston cylinder, and a cylinder body of the third telescopic cylinder group (6) is connected with the middle door plate (2) together to enable the third telescopic cylinder group (6) to move together with the middle door plate (2); the door frame is characterized by further comprising a fixing plate (12) used for being fixed on the door frame, and the bottom of the cylinder body of the first telescopic cylinder group (4) is fixed on the fixing plate (12) and can keep the position of the first telescopic cylinder group (4) unchanged.
2. The lift gate as claimed in claim 1, characterised in that the upper gate plate (1), the middle gate plate (2) and the lower gate plate (3) are arranged offset, the upper gate plate (1) being located on the outside, the middle gate plate (2) being located on the inside of the upper gate plate (1) and the lower gate plate (3) being located on the inside of the middle gate plate (2).
3. The lift gate according to claim 2, characterized in that the inner wall of the upper door panel (1) is provided with a vertical track, the outer wall of the middle door panel (2) is provided with a slide block, the middle door panel (2) is fittingly mounted on the track of the upper door panel (2) through the slide block, the inner wall of the middle door panel (2) is provided with a vertical track, the outer wall of the lower door panel (3) is provided with a slide block, and the lower door panel (3) is fittingly mounted on the track of the middle door panel (2) through the slide block.
4. The lifting door according to claim 2 or 3, characterized in that the bottom of the upper door panel (1) is fixedly connected with a support (7), the bottom of the support (7) is lower than the bottom of the upper door panel (1), the support (7) is arranged at the side end of the upper door panel (1), and the cylinder bottom of the second telescopic cylinder group (5) is fixedly connected with the bottom of the support (7).
5. The lift gate of claim 4, further comprising a frame guide (8) for fixing to the frame, the bracket (7) being mounted to the frame guide (8) by means of a slider.
6. The lift gate of claim 5, characterized in that the height of the frame guide (8) allows the bottom of the upper door panel (1) to reach the upper part of the frame guide (8) when the three doors are open and the top of the upper door panel (1) to reach the upper part of the frame guide (8) when the three doors are closed.
7. The lift door according to claim 2 or 3, characterized in that a first connecting plate (9) is fixed on the upper part of the upper door panel (1), the piston rod of the first cylinder group (4) is connected with the first connecting plate (9), a second connecting plate (10) is fixed on the upper part of the middle door panel (2), the piston rod of the second cylinder group (5) is connected with the second connecting plate (10), the bottom of the cylinder of the third cylinder group (6) is fixed on the second connecting plate (10), a third connecting plate (11) is fixed on the lower part of the lower door panel (3), and the piston rod of the third cylinder group (6) is connected with the third connecting plate (11).
8. A lifting door according to any one of claims 1-3, characterised in that the first (4), second (5) and third (6) groups of telescopic cylinders each comprise two cylinders with the same stroke, and that the two cylinders are arranged on the left and right sides of the respective door panel.
9. A lift gate according to any one of claims 1 to 3, wherein, when the lift gate is opened, the first telescopic cylinder group (4) is maintained in an extended state, the second telescopic cylinder group (5) is maintained in an extended state and the third telescopic cylinder group (6) is maintained in a retracted state; when the lifting door is closed, the first telescopic cylinder group (4) keeps a contracted state, the second telescopic cylinder group (5) keeps a contracted state, and the third telescopic cylinder group (6) keeps an extended state.
10. A machine tool shield is characterized by comprising the lifting door as claimed in claim 6, and further comprising a shield body (20), wherein the fixing plate (12) is fixed on a door frame of the shield body (20), the frame body guide rail (8) is also fixed on the door frame of the shield body (20), a baffle (21) is arranged on the upper portion of the shield body (20) at a position corresponding to the upper door plate (1), one side of the baffle (21) is hinged on the shield body (20) through an elastic hinge, rollers (22) are arranged on the other side of the baffle (21), and the upper door plate (1) can move upwards to open the baffle (21) and penetrate through the shield body (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010621082.7A CN111660020A (en) | 2020-07-01 | 2020-07-01 | Lifting door and machine tool shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010621082.7A CN111660020A (en) | 2020-07-01 | 2020-07-01 | Lifting door and machine tool shield |
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| CN111660020A true CN111660020A (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010621082.7A Pending CN111660020A (en) | 2020-07-01 | 2020-07-01 | Lifting door and machine tool shield |
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| CN (1) | CN111660020A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112411819A (en) * | 2020-10-22 | 2021-02-26 | 云南艺康装饰工程有限公司 | Double-layer bidirectional interlayer heat-insulation curtain wall and construction method thereof |
| CN112828670A (en) * | 2021-03-04 | 2021-05-25 | 杭州富阳孙氏机床有限公司 | Protective curtain and lathe |
| CN113021381A (en) * | 2021-04-26 | 2021-06-25 | 北京云迹科技有限公司 | Delivery robot |
| CN114635632A (en) * | 2020-12-16 | 2022-06-17 | 细美事有限公司 | Fire-proof rolling curtain and transport device comprising same |
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| CH682583A5 (en) * | 1992-01-15 | 1993-10-15 | Laurent Chenu Pierre Jequier | Guillotine type window - includes two vertical jacks each one disposed on each of the sides of the window and with one fixed panel and one moving panel with latter slip up or down by jacks |
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