CN105729282A - Building board polishing device capable of preventing raising dust and using method thereof - Google Patents

Building board polishing device capable of preventing raising dust and using method thereof Download PDF

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Publication number
CN105729282A
CN105729282A CN201610129273.5A CN201610129273A CN105729282A CN 105729282 A CN105729282 A CN 105729282A CN 201610129273 A CN201610129273 A CN 201610129273A CN 105729282 A CN105729282 A CN 105729282A
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CN
China
Prior art keywords
drive block
screens
screw drive
shield door
locking parts
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.)
Pending
Application number
CN201610129273.5A
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Chinese (zh)
Inventor
吴刚
Original Assignee
吴刚
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by 吴刚 filed Critical 吴刚
Priority to CN201610129273.5A priority Critical patent/CN105729282A/en
Publication of CN105729282A publication Critical patent/CN105729282A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B29/00Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
    • B24B29/02Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00Safety 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00Safety 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
    • B24B55/04Protective covers for the grinding wheel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00Safety 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
    • B24B55/06Dust extraction equipment on grinding or polishing machines

Abstract

The invention discloses a building board polishing device capable of preventing raising dust and a using method thereof, wherein the device comprises a supporting housing (8) which is connected with a shielding door (81) in a pivotal manner at one side, a workbench (82) arranged in the supporting housing (8), a screw (18) and a telescopic locking part (5), wherein the screw (18) is driven by a mobile drive motor (1) to rotate for pushing a polishing assembly (6) with a bottom polishing head (61) to move left and right along a guide beam (7) which is fixedly arranged in the supporting housing (8) and is positioned above the workbench (82); the telescopic locking part (5) is mounted in a cavity at the other side of the supporting housing (8) in a sliding manner; and the polishing assembly (6) is provided with a power mechanism for driving the polishing head (61) to polish a building board supported on the workbench (82).

Description

The structural lumber burnishing device of anti-airborne dust and using method thereof
Technical field
The present invention relates to construction material manufacture field, the structural lumber burnishing device of especially a kind of anti-airborne dust and using method thereof.
Background technology
In building field, along with people provide for the requirement of construction decoration, use decorative boards more and more widely.In order to improve appearance, it usually needs be polished improving glossiness to these sheet materials, in order to have desired aesthetic after attaching.
Owing to producing dust for operator in these material processings, granule spills and the potential safety hazard of processing component itself, and, the maloperation of sheet material can be produced polishing cut even workpiece by the course of processing scrap, accordingly, it would be desirable to arrange security mask door in the course of processing with closed interior processing environment.
Current this screening arrangement often adopts and is performed manually by, consequently, it is possible to its being still within the bounds of possibility of arbitrarily being opened.And be separately provided and drive operating system to carry out the locking of opposite house and unblock is controlled easily increasing cost and maintenance difficulties, and it is difficult to ensure that processing head is in home position and will not be subject to processing interference and the scuffing of head when taking out workpiece.
Summary of the invention
It is an object of the invention to provide the structural lumber burnishing device of a kind of anti-airborne dust and using method thereof, it can overcome drawbacks described above of the prior art.
According to an aspect of the present invention, a kind of structural lumber burnishing device of anti-airborne dust, including: the support housing of shield door it is pivotally connected a side edge, it is arranged on the workbench in described support housing, can be driven by mobile drive motor and rotate thus promoting the polishing assembly being provided with bottom rubbing head along the scalable locking parts of the cavity being fixedly installed in described support housing and being positioned at the screw rod that the guiding crossbeam above described workbench moves left and right and another side edge being slidably mounted on described support housing, wherein, described polishing assembly has actuating unit to drive described rubbing head that the structural lumber being carried on described workbench is polished, described guiding crossbeam is provided with spacing protrusion in order to block described polishing assembly thus limiting its least significant at the inwall place, right side near described support housing;Being fixedly installed lock tabs away from the outside pivoting side in the medial surface of described shield door, the end station shoulder of described lock tabs is in order to coordinate thus realizing the locking of the pivoted closed state for described shield door with the locking protrusion of described scalable locking parts when described scalable locking parts are biased against the bias of elastomeric element and are in and stretch out state;Described scalable locking parts are additionally provided with and protrude the operation protrusion separated with described locking, in order to engage with the corresponding side surface of the spacious amount connector on the upper side being fixedly installed on described polishing assembly thus being pressed to retracted mode by described scalable locking parts so that described locking protrudes the end station shoulder disengaging described lock tabs to be unlocked by described shield door;nullDescribed spacious amount connector is provided with recess in order to engage the screw drive block coordinated with described screw flight,Described screw drive block stretches in described recess and has the spacious amount of movement in the lateral direction,Wherein,The right flank of described screw drive block is pushed up pressure by the top compression elasticity element being resisted against in spacious amount connector inner right side,Left surface is fixedly installed and can be inserted into the pluggable connection projection inserting intracavity being arranged in the inside left sidewall of described recess and being parallel to described screw rod and extend,The head of described pluggable connection projection is provided with the outside inclined plane part away from described screw drive block and the medial slope portion near described screw drive block,Wherein,Described outside inclined plane part and the sharp angle folded by the described pluggable bearing of trend being connected projection are less than described medial slope portion and the sharp angle folded by described bearing of trend,Described spacious amount connector is provided with and is outwards biased by screens flexible member and can partly be exposed to described insertion chamber and the screens inclined-plane pin that can stretch on the direction being perpendicular to described bearing of trend,Its end exposed division is provided with the position blocking pin medial slope identical with inclined plane part angle of inclination, described outside at the inner side place near described screw drive block,Outside away from described screw drive block is provided with inclined-plane outside position blocking pin,Described mobile drive motor outer surface is coated with radiating fin,Produced heat absorption dissipating when described radiating fin is in order to run described mobile drive motor,Described radiating fin is provided with radiator fan,Described radiator fan accelerates to dissipate in order to the heat absorbed by described radiating fin,When preventing described mobile drive motor long-play, temperature is too high and burn.
According on the other hand, the using method of the structural lumber burnishing device of above-mentioned anti-airborne dust, wherein, original state is that described polishing assembly is positioned at least significant, and now described scalable locking parts are pressed against retracted mode by described spacious amount connector;When needs are polished operation, by the pivoted closed state of described shield door, then described mobile drive motor powers on operation thus driving described screw drive block to move towards described inside left sidewall in described recess, under the synergism of described top compression elasticity element, first the described outside inclined plane part of described pluggable connection projection engages and pushes open described screens inclined-plane pin with the described position blocking pin medial slope of described screens inclined-plane pin and be inserted into described insertion intracavity, outside the described position blocking pin of described screens inclined-plane pin, inclined-plane is pressed in the described medial slope portion of described pluggable connection projection under the effect of described screens flexible member afterwards, thus realizing the screens for described screw drive block;Rubbing head described in described screw drive continues to left movement so that described spacious amount connector disengages with described scalable locking parts, and now described scalable locking parts are protruding thus being locked by above-mentioned shield door;Rubbing head described in described screw drive moves left and right thus described structural lumber is polished;When polishing terminates, polishing assembly described in described screw drive is to described least significant against described spacing protrusion, afterwards, described screw rod continues to drive described screw drive block to move right thus described pluggable connection projection is outwards extracted to depart from the screens of described screens inclined-plane pin, and described scalable locking parts are pressed into retracted mode to unlock the closure state of described shield door thus allowing described shield door to pivotally open by described spacious amount connector again.
Pass through such scheme, the mating reaction of spacious amount joint elements and threaded block, lock mode in conjunction with scalable clamping block Yu the dead bolt of shield door, the locking for shield door and unblock can be realized while driving rubbing head, without individually setting up driving control system, and it is able to ensure that locking when processing starts with process finishing and released state;And it is able to ensure that rubbing head just can open shield door returning to the rightest home position;At this home position, workpiece is conceded by rubbing head completely, it is simple to takes out and does not result in cut.Whole plant running is safe and reliable, and compares and be separately provided driving control system and realize locking unlocking function and reduce cost, and is easy to regular maintenance.
Accompanying drawing explanation
Fig. 1 schematically illustrates the overall structure schematic diagram of the structural lumber burnishing device of the anti-airborne dust of the present invention, and wherein this device is in processing polished state.
Fig. 2 illustrates the lock fit view of the scalable locking parts in Fig. 1 and the lock tabs of shield door.
Fig. 3 illustrates the close-up schematic view at the A place in Fig. 1.
Detailed description of the invention
Illustrate below in conjunction with-3 pairs of embodiments of the present invention of Fig. 1.
nullWith reference to Fig. 1-3,The structural lumber burnishing device of a kind of anti-airborne dust according to embodiment,Including: the support housing 8 of shield door 81 it is pivotally connected a side edge、It is arranged on the workbench 82 in described support housing 8、Can be driven by mobile drive motor 1 and rotate thus promoting the polishing assembly 6 being provided with bottom rubbing head 61 along the scalable locking parts 5 of the cavity 50 being fixedly installed in described support housing 8 and being positioned at the screw rod 18 that the guiding crossbeam 7 above described workbench 82 moves left and right and another side edge being slidably mounted on described support housing 8,Wherein,Described polishing assembly 6 has actuating unit to drive described rubbing head 61 that the structural lumber being carried on described workbench 82 is polished,Described guiding crossbeam 7 is provided with spacing protrusion 71 in order to block described polishing assembly 6 thus limiting its least significant at the inwall place, right side near described support housing 8;Being fixedly installed lock tabs 811 away from the outside pivoting side in the medial surface of described shield door 81, the end station shoulder 8111 of described lock tabs 811 is in order to coordinate thus realizing the locking of pivoted closed state for described shield door 81 with the locking protrusion 54 of described scalable locking parts 5 when described scalable locking parts 5 are biased against the bias of elastomeric element 51 and are in and stretch out state;Described scalable locking parts 5 are additionally provided with and protrude the 54 operations protrusions 53 separated with described locking, in order to engage with the corresponding side surface of the spacious amount connector 62 on the upper side being fixedly installed on described polishing assembly 6 thus being pressed to retracted mode by described scalable locking parts 5 so that described locking protrudes the end station shoulder 8111 of the 54 described lock tabs 811 of disengagement to be unlocked by described shield door 81;nullDescribed spacious amount connector 62 is provided with recess 621 in order to engage and the screw drive block 19 of described screw rod 18 threaded engagement,Described screw drive block 19 stretches in described recess 621 and has the spacious amount of movement in the lateral direction,Wherein,The right flank of described screw drive block 19 is pushed up pressure by the top compression elasticity element 196 being resisted against in spacious amount connector 62 inner right side,Left surface is fixedly installed the pluggable connection projection 15 inserted in chamber 620 that can be inserted in the inside left sidewall being arranged at described recess 621 and be parallel to described screw rod 18 and extend,The head of described pluggable connection projection 15 is provided with the outside inclined plane part 151 away from described screw drive block 19 and the medial slope portion 152 near described screw drive block 19,Wherein,Described outside inclined plane part 151 and the sharp angle folded by the described pluggable bearing of trend being connected projection 15 are less than described medial slope portion 152 and the sharp angle folded by described bearing of trend,Described spacious amount connector 62 is provided with and is outwards biased by screens flexible member 17 and can partly be exposed to described insertion chamber 620 and the screens inclined-plane pin 16 that can stretch on the direction being perpendicular to described bearing of trend,Its end exposed division is provided with the position blocking pin medial slope 161 identical with inclined plane part 151 angle of inclination, described outside at the inner side place near described screw drive block 19,Outside away from described screw drive block 19 is provided with inclined-plane 162 outside position blocking pin,Described mobile drive motor 1 outer surface is coated with radiating fin 101,Produced heat absorption dissipating when described radiating fin 101 is in order to run described mobile drive motor 1,Described radiating fin 101 is provided with radiator fan 102,Described radiator fan 102 accelerates to dissipate in order to the heat absorbed by described radiating fin 101,When preventing described mobile drive motor 1 long-play, temperature is too high and burn.
Valuably, wherein, described actuating unit is drive motor.
Valuably, wherein, described screens inclined-plane pin 16 is setting symmetrical above and below, and the medial slope portion 152 also correspondingly setting symmetrical above and below of the outside inclined plane part 151 away from described screw drive block 19 of the head setting of described pluggable connection projection 15 and close described screw drive block 19.
According to embodiment, the using method of the structural lumber burnishing device of the anti-airborne dust that rises, wherein, original state is that described polishing assembly 6 is positioned at least significant, and now described scalable locking parts 5 are pressed against retracted mode by described spacious amount connector 62;When needs are polished operation, pivoted closed state by described shield door 81, then described mobile drive motor 1 powers on operation thus driving described screw drive block 19 to move towards described inside left sidewall in described recess 621, under the synergism of described top compression elasticity element 196, first the described outside inclined plane part 151 of described pluggable connection projection 15 engages and pushes open described screens inclined-plane pin 16 with the described position blocking pin medial slope 161 of described screens inclined-plane pin 16 and be inserted in described insertion chamber 620, outside the described position blocking pin of described screens inclined-plane pin 16, inclined-plane 162 is pressed in the described medial slope portion 152 of described pluggable connection projection 15 under the effect of described screens flexible member 17 afterwards, thus realizing the screens for described screw drive block 19;Described screw rod 18 drives described rubbing head 61 to continue to left movement so that described spacious amount connector 62 and described scalable locking parts 5 disengage, and now described scalable locking parts 5 are protruding thus being locked by above-mentioned shield door 81;Described screw rod 18 drives described rubbing head 61 to move left and right thus described structural lumber is polished;When polishing terminates, described screw rod 18 drives described polishing assembly 6 to described least significant against described spacing protrusion 71, afterwards, described screw rod 18 continues to drive described screw drive block 19 to move right thus described pluggable connection projection 15 is outwards extracted to depart from the screens of described screens inclined-plane pin 16, and described scalable locking parts 5 are pressed into retracted mode to unlock the closure state of described shield door 81 thus allowing described shield door 81 to pivotally open by described spacious amount connector 62 again.
Wherein, the stiffness factor of described top compression elasticity element 196 be enough to allow pluggable connection projection 15 to push described screens inclined-plane pin 16 open to be inserted in described insertion chamber 620 free without causing described polishing assembly 6 to float.
The mating reaction of spacious amount (gap) joint elements and threaded block, lock mode in conjunction with scalable clamping block Yu the dead bolt of shield door, the locking for shield door and unblock can be realized while driving rubbing head, without individually setting up driving control system, and it is able to ensure that locking when processing starts with process finishing and released state;And it is able to ensure that rubbing head just can open shield door returning to the rightest home position;At this home position, workpiece is conceded by rubbing head completely, it is simple to takes out and does not result in cut.
By with upper type, those skilled in the art can make various change according to mode of operation within the scope of the invention.

Claims (4)

  1. null1. the structural lumber burnishing device of an anti-airborne dust,Including: the support housing (8) of shield door (81) it is pivotally connected a side edge、It is arranged on the workbench (82) in described support housing (8)、Can be driven by mobile drive motor (1) and rotate thus promoting the polishing assembly (6) being provided with bottom rubbing head (61) along the scalable locking parts (5) of the cavity (50) being fixedly installed in described support housing (8) and being positioned at the screw rod (18) that the guiding crossbeam (7) of described workbench (82) top moves left and right and another side edge being slidably mounted on described support housing (8),Wherein,Described polishing assembly (6) has actuating unit to drive described rubbing head (61) that the structural lumber being carried on described workbench (82) is polished,Described guiding crossbeam (7) is provided with spacing protrusion (71) in order to block described polishing assembly (6) thus limiting its least significant at the inwall place, right side near described support housing (8);The medial surface of described shield door (81) is being fixedly installed lock tabs (811) away from the outside pivoting side, the end station shoulder (8111) of described lock tabs (811) in order to coordinate with the locking of described scalable locking parts (5) protrusion (54) when described scalable locking parts (5) are biased against the bias of elastomeric element (51) and are in and stretch out state thus realizing the locking of pivoted closed state for described shield door (81);Described scalable locking parts (5) are additionally provided with protrudes, with described locking, operation protrusion (53) that (54) separate, in order to engage with the corresponding side surface of the spacious amount connector (62) on the upper side being fixedly installed on described polishing assembly (6) thus described scalable locking parts (5) being pressed to retracted mode so that (54) are protruded in described locking disengages the end station shoulder (8111) of described lock tabs (811) to be unlocked by described shield door (81);nullDescribed spacious amount connector (62) is provided with recess (621) in order to engage the screw drive block (19) with described screw rod (18) threaded engagement,Described screw drive block (19) is stretched in described recess (621) and has the spacious amount of movement in the lateral direction,Wherein,The right flank of described screw drive block (19) is pushed up pressure by top compression elasticity element (196) being resisted against in spacious amount connector (62) inner right side,Left surface is fixedly installed the pluggable connection projection (15) in the insertion chamber (620) that can be inserted in the inside left sidewall being arranged at described recess (621) and be parallel to described screw rod (18) and extend,The head of described pluggable connection projection (15) is provided with the outside inclined plane part (151) away from described screw drive block (19) and the medial slope portion (152) near described screw drive block (19),Wherein,Described outside inclined plane part (151) and the sharp angle folded by the described pluggable bearing of trend being connected projection (15) are less than described medial slope portion (152) and the sharp angle folded by described bearing of trend,Described spacious amount connector (62) is provided with and can be partly exposed to described insertion chamber (620) and screens inclined-plane pin (16) that can stretch on the direction being perpendicular to described bearing of trend by screens flexible member (17) outwards bias,Its end exposed division is provided with the position blocking pin medial slope (161) identical with inclined plane part (151) angle of inclination, described outside at the inner side place near described screw drive block (19),Outside away from described screw drive block (19) is provided with inclined-plane outside position blocking pin (162),Described mobile drive motor (1) outer surface is coated with radiating fin (101),Produced heat absorption dissipating when described radiating fin (101) is in order to run described mobile drive motor (1),Described radiating fin (101) is provided with radiator fan (102),Described radiator fan (102) accelerates to dissipate in order to the heat absorbed by described radiating fin (101),When preventing described mobile drive motor (1) long-play, temperature is too high and burn.
  2. 2. the structural lumber burnishing device of a kind of anti-airborne dust as claimed in claim 1, wherein, described actuating unit is drive motor.
  3. 3. the structural lumber burnishing device of a kind of anti-airborne dust as claimed in claim 1 or 2, wherein, described screens inclined-plane pin (16) is setting symmetrical above and below, and medial slope portion (152) the also correspondingly setting symmetrical above and below of the outside inclined plane part (151) away from described screw drive block (19) of the head setting of described pluggable connection projection (15) and close described screw drive block (19).
  4. 4. the using method of the structural lumber burnishing device of a kind of anti-airborne dust as described in claim 1 or 2 or 3, wherein, original state is that described polishing assembly (6) is positioned at least significant, and now described scalable locking parts (5) are pressed against retracted mode by described spacious amount connector (62);nullWhen needs are polished operation,Pivoted closed state by described shield door (81),Then described mobile drive motor (1) powers on operation thus driving described screw drive block (19) to move towards described inside left sidewall in described recess (621),Under the synergism of described top compression elasticity element (196),Described outside inclined plane part (151) of described pluggable connection projection (15) first engages and pushes open described screens inclined-plane pin (16) with the described position blocking pin medial slope (161) of described screens inclined-plane pin (16) and is inserted in described insertion chamber (620),Outside the described position blocking pin of described screens inclined-plane pin (16), inclined-plane (162) is pressed on the described medial slope portion (152) of described pluggable connection projection (15) under the effect of described screens flexible member (17) afterwards,Thus realizing the screens for described screw drive block (19);Described screw rod (18) drives described rubbing head (61) to continue to left movement so that described spacious amount connector (62) disengages with described scalable locking parts (5), and now described scalable locking parts (5) are protruding thus being locked by above-mentioned shield door (81);Described screw rod (18) drives described rubbing head (61) to move left and right thus described structural lumber is polished;When polishing terminates, described screw rod (18) drives described polishing assembly (6) to described least significant against described spacing protrusion (71), afterwards, described screw rod (18) continues to drive described screw drive block (19) to move right thus described pluggable connection projection (15) outwards extracts to depart from the screens of described screens inclined-plane pin (16), and described scalable locking parts (5) are pressed into retracted mode to unlock the closure state of described shield door (81) thus allowing described shield door (81) to pivotally open by described spacious amount connector (62) again.
CN201610129273.5A 2016-03-08 2016-03-08 Building board polishing device capable of preventing raising dust and using method thereof Pending CN105729282A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610129273.5A CN105729282A (en) 2016-03-08 2016-03-08 Building board polishing device capable of preventing raising dust and using method thereof

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Application Number Priority Date Filing Date Title
CN201610129273.5A CN105729282A (en) 2016-03-08 2016-03-08 Building board polishing device capable of preventing raising dust and using method thereof

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4784252A (en) * 1987-03-02 1988-11-15 Davis Wallace E Double door front locking newspaper vending machine
CN201856168U (en) * 2010-07-05 2011-06-08 桂林桂北机器有限责任公司 Grinding wheel protective cover of grinding machine with function of power failure when opening door
CN203696246U (en) * 2014-01-21 2014-07-09 深圳市大族激光科技股份有限公司 Cantilever type laser cutting machine
CN104372572A (en) * 2014-10-31 2015-02-25 吴中区光福金怡五金配件厂 Washing machine door safety device
CN204843862U (en) * 2015-07-28 2015-12-09 厦门鼎运软件有限公司 Burnishing machine of two cleaning doors in area
CN204893725U (en) * 2015-08-14 2015-12-23 佛山市卓鸿机电设备有限公司 Multi -functional inferior gram force panel single face burnishing machine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4784252A (en) * 1987-03-02 1988-11-15 Davis Wallace E Double door front locking newspaper vending machine
CN201856168U (en) * 2010-07-05 2011-06-08 桂林桂北机器有限责任公司 Grinding wheel protective cover of grinding machine with function of power failure when opening door
CN203696246U (en) * 2014-01-21 2014-07-09 深圳市大族激光科技股份有限公司 Cantilever type laser cutting machine
CN104372572A (en) * 2014-10-31 2015-02-25 吴中区光福金怡五金配件厂 Washing machine door safety device
CN204843862U (en) * 2015-07-28 2015-12-09 厦门鼎运软件有限公司 Burnishing machine of two cleaning doors in area
CN204893725U (en) * 2015-08-14 2015-12-23 佛山市卓鸿机电设备有限公司 Multi -functional inferior gram force panel single face burnishing machine

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