CN203843804U - Marble cutting machine - Google Patents
Marble cutting machine Download PDFInfo
- Publication number
- CN203843804U CN203843804U CN201420288527.4U CN201420288527U CN203843804U CN 203843804 U CN203843804 U CN 203843804U CN 201420288527 U CN201420288527 U CN 201420288527U CN 203843804 U CN203843804 U CN 203843804U
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- marble cutting
- cutting machine
- casing
- high power
- power density
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- 239000004579 marble Substances 0.000 title claims abstract description 124
- 239000011449 brick Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 10
- 238000003912 environmental pollution Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a marble cutting machine which comprises a case (7). The marble cutting machine further comprises a motor casing (1) arranged inside the case (7) and fixedly connected with the side wall of the case (7). A high power density brushless motor is arranged inside the motor casing (1), a controller (5) of the high power density brushless motor is arranged inside the case (7), the high power density brushless motor comprises a rotor shaft (2) which is arranged in the motor casing (1) in a rotating mode, the rotor shaft (2) and a drive shaft of a marble cutting disc (6) of the marble cutting machine are coaxially arranged and are of an integrated structure, and the axis of the rotor shaft (2) is perpendicular to the plane where the marble cutting disc (6) is located and passes through the center of a circle of the marble cutting disc (6). According to the marble cutting machine, carbon powder is prevented from being generated, environmental pollution is avoided, the service life of the marble cutting machine is prolonged, energy losses are reduced, output efficiency is improved, noise and vibration are lowered, complex transmission gear engagement installation is avoided, the size and weight are reduced, and the marble cutting machine is convenient to assemble.
Description
Technical field
The utility model relates to electric saw equipment technical field, particularly a kind of marble cutting machine.
Background technology
Marble cutting machine is a kind of electric tool, and polished fabric or other article complete polishing effect by the polishing disk of marble cutting machine.
Please refer to Fig. 1, Fig. 1 is a kind of structural representation of marble cutting machine of the prior art.
Wherein, marble cutting machine by casing 01, output shaft 02, be arranged at travelling gear 08 on output shaft 02, be arranged at the marble cutting blade 06 of output shaft 02 end and form with the motor (comprising stator 03, rotor 04, motor shaft 05 and carbon brush 07) of carbon brush.Motor is arranged in casing 01, and motor shaft 05 is for gear shaft or gear is set in its end, and output shaft 02 and motor shaft 05 are meshed by travelling gear, and then by driven by motor, is arranged at marble cutting blade 06 rotation of output shaft 02 end, complete operation.
But current marble cutting machine is generally used series excited machine, it needs gear drive to realize the change of transmission direction and rotating speed with the structure of carbon brush 07 between motor shaft 05 and output shaft 02.This makes the energy loss of marble cutting machine large, reduced the delivery efficiency of instrument, and the wearing and tearing of carbon brush 07 and travelling gear directly affects the service life of marble cutting machine, and carbon brush 07 wearing and tearing generation carbon dust, and environment has been caused to certain pollution; Parts in marble cutting machine are more, and intermeshing travelling gear inevitably can produce larger noise and vibration in the process of passing on Gong, and are not easy to the assembling of marble cutting machine.
Therefore, how improving delivery efficiency and service life, avoid environmental pollution, reduce noise and vibration, be convenient to the assembling of marble cutting machine, is the art personnel problem demanding prompt solutions.
Utility model content
In view of this, the utility model provides a kind of marble cutting machine, to improve delivery efficiency and service life, avoids environmental pollution, reduces noise and vibration, is convenient to the assembling of marble cutting machine.
For achieving the above object, the utility model provides following technical scheme:
A kind of marble cutting machine, comprise casing, also comprise and be arranged in described casing and the motor casing being fixedly connected with the sidewall of described casing, in described motor casing, be provided with high power density brushless electric machine, the controller of described high power density brushless electric machine is arranged in described casing;
Described high power density brushless electric machine comprises and rotates the armature spindle be arranged at described motor casing, and the driving shaft of described armature spindle and the marble cutting blade of described marble cutting machine is coaxial arranges and be integral type structure;
The axis of described armature spindle is perpendicular to the center of circle of described marble cutting blade place plane and the described marble cutting blade of process.
Preferably, in above-mentioned marble cutting machine, also comprise the fan being arranged on described armature spindle.
Preferably, in above-mentioned marble cutting machine, described fan is arranged at described rotor core near a side of described marble cutting blade; Or described fan is arranged at described rotor core away from a side of described marble cutting blade; Or the quantity of described fan is two, one is positioned at described rotor core near a side of described marble cutting blade, and another is positioned at described rotor core away from a side of described marble cutting blade.
Preferably, in above-mentioned marble cutting machine, described high power density brushless electric machine is without Hall internal rotor high power density brushless electric machine;
Described high power density brushless electric machine also comprises: be sheathed on the rotor core in described armature spindle outside, be arranged at the stator in described rotor core outside, be arranged at the permanent magnet between described stator and described rotor core.
Preferably, in above-mentioned marble cutting machine, described stator comprises stator core, is a plurality ofly wound in the stator enamelled wire group in described stator core and is arranged at the cold air duct in described stator core.
Preferably, in above-mentioned marble cutting machine, described cold air duct is comprised of the gap between adjacent two described stator enamelled wire groups and the gap between described stator core and described rotor core.
Preferably, in above-mentioned marble cutting machine, also comprise the power line for being connected with extraneous power frequency AC and be arranged at rectification and the filter in described casing;
Between described rotor core and described armature spindle, be provided with insulating sleeve.
Preferably, in above-mentioned marble cutting machine, described motor casing is plastic motor shell.
Preferably, in above-mentioned marble cutting machine, driving the power supplier of described high power density brushless electric machine operation is power brick.
Preferably, in above-mentioned marble cutting machine, described power brick is arranged in described casing; Or described power brick is arranged at outside described casing, on described casing, be provided with the interface being connected with described power brick.
From above-mentioned technical scheme, can find out, the marble cutting machine that the utility model provides, drives marble cutting blade to rotate by high power density brushless electric machine is set, and has effectively improved the service life of device; And, due to high power density brushless electric machine being set, the driving shaft of armature spindle and marble cutting blade is coaxially arranged, and armature spindle and marble cutting blade be set to integral structure, avoided arranging transmission device in casing, further improved service life, and, avoid carbon dust to produce, and then avoided environmental pollution, reduce energy loss, improved delivery efficiency.Because armature spindle and marble cutting blade are integral type structure, have effectively avoided the engagement between travelling gear, and then reduced noise and the vibration producing because of gear drive.And, because marble cutting blade is disk, the axis of armature spindle, perpendicular to the center of circle of the operating surface of marble cutting blade and the axis of armature spindle process marble cutting blade, makes the smooth rotation of marble cutting blade, has reduced the noise and the vibration that because of the rotation of marble cutting blade, produce.And the controller of high power density brushless electric machine is arranged in casing, effectively avoided controller external and cause because taking up an area space, make greatly unhandy situation, so that the use of marble cutting machine, high power density brushless electric machine is arranged in motor casing, the armature spindle that high power density brushless electric machine is established is set up in motor casing, and controller is arranged in casing, by after high power density brushless electric machine and controller communication connection, install motor casing is relative with casing again, avoided the loaded down with trivial details of travelling gear engagement installation, volume and the weight of marble cutting machine have effectively been reduced, effectively facilitated the assembling of marble cutting machine.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of structural representation of marble cutting machine of the prior art;
Wherein,
Casing-01, output shaft-02, stator-03, rotor-04, motor shaft-05, marble cutting blade-06, carbon brush-07;
The structural representation of the marble cutting machine that Fig. 2 provides for the utility model embodiment;
The structural representation of the high power density brushless electric machine that Fig. 3 provides for the utility model embodiment.
Wherein,
Motor casing-1, armature spindle-2, rotor core-3, stator-4, stator core-41, stator enamelled wire group-42, cold air duct-43, controller-5, marble cutting blade-6, casing-7, permanent magnet-8, fan-9, insulating sleeve-10.
The specific embodiment
The utility model discloses a kind of marble cutting machine, to improve delivery efficiency and service life, avoid environmental pollution, reduce noise and vibration, be convenient to the assembling of marble cutting machine.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 2, the structural representation of the marble cutting machine that Fig. 2 provides for the utility model embodiment.
The utility model embodiment provides a kind of marble cutting machine, comprise casing 7, also comprise and be arranged in casing 7 and the motor casing 1 being fixedly connected with the sidewall of casing 7, in motor casing 1, be provided with high power density brushless electric machine, the controller 5 of high power density brushless electric machine is arranged in casing 7; High power density brushless electric machine comprises and rotates the armature spindle 2 be arranged at motor casing 1, and the driving shaft of armature spindle 2 and the marble cutting blade 6 of marble cutting machine is coaxial arranges and be integral type structure; The axis of armature spindle 2 is perpendicular to the center of circle of marble cutting blade 6 place planes and process marble cutting blade 6.
The marble cutting machine that the utility model embodiment provides, drives marble cutting blade 6 to rotate by high power density brushless electric machine is set, and has effectively improved the service life of device; And, due to high power density brushless electric machine being set, armature spindle 2 and the driving shaft of marble cutting blade 6 are coaxially arranged, and armature spindle 2 and marble cutting blade 6 are set to integral structure, avoided at the interior transmission device that arranges of casing 7, further improved service life, and, avoid carbon dust to produce, and then avoided environmental pollution, reduce energy loss, improved delivery efficiency.Because armature spindle 2 is integral type structure with marble cutting blade 6, effectively avoided the engagement between travelling gear, and then reduced noise and the vibration producing because of gear drive.And, because marble cutting blade 6 is disk, the axis of armature spindle 2, perpendicular to the center of circle of the operating surface of marble cutting blade 6 and the axis of armature spindle 2 process marble cutting blade 6, makes the smooth rotation of marble cutting blade 6, has reduced the noise and the vibration that because of 6 rotations of marble cutting blade, produce.And the controller of high power density brushless electric machine 5 is arranged in casing 7, effectively avoided controller 5 external and cause because taking up an area space, make greatly unhandy situation, so that the use of marble cutting machine, high power density brushless electric machine is arranged in motor casing 1, the armature spindle 2 that high power density brushless electric machine is established is set up in motor casing 1, and controller 5 is arranged in casing 7, by after high power density brushless electric machine and controller 5 communication connections, again by motor casing 1 installation relative to casing 7, avoided the loaded down with trivial details of travelling gear engagement installation, volume and the weight of marble cutting machine have effectively been reduced, effectively facilitated the assembling of marble cutting machine.
Refer to following data:
The comparing data of the brushless electric machine of table 1 series excited machine of the prior art and the utility model embodiment
And, in table, can find out, the marble cutting machine in the utility model embodiment compared with prior art, has improved delivery efficiency and the service life of motor, has reduced noise.
High power density brushless electric machine in the marble cutting machine providing for fear of the utility model embodiment is overheated and affect service life, also comprises the fan 9 being arranged on armature spindle 2.In the process of high power density brushless electric machine operation, armature spindle 2 drives fan 9 to rotate when rotating, thereby to the operation of dispelling the heat of high power density brushless electric machine.
In the present embodiment, fan 9 is arranged at rotor core 3 near a side of marble cutting blade 6; Or fan 9 is arranged at rotor core 3 away from a side of marble cutting blade 6; Or the quantity of fan 9 is two, one is positioned at rotor core 3 near a side of marble cutting blade 6, and another is positioned at rotor core 3 away from a side of marble cutting blade 6.
For the ease of Air Flow, air inlet and air outlet can be set on casing 7, so that outside air enters casing 7 by air inlet and discharged by the air outlet of casing 7 under the effect of fan after too high power density brushless electric machine.
Further, heat radiation in order to ensure controller 5, can regulate the position of air inlet and air outlet, make outside air process controller 5 and high power density brushless electric machine under the effect of fan 9, so that controller 5 is dispelled the heat in to the heat radiation of high power density brushless electric machine.
The inwall of motor casing 1 is provided with the wind loop between fan 9 and high power density brushless electric machine, by wind loop is set, controls the flow direction of cooling air.In an embodiment, the air inlet of casing 7 is arranged at the side (left side in Fig. 2) away from marble cutting blade 6, and the air inlet of casing 7 is arranged at the side (right side in Fig. 2) near marble cutting blade 6.Under the effect of fan 9, make extraneous cooling air enter from the air inlet of casing 7, and pass through successively controller and high power density brushless electric machine, by wind loop endoporus by discharging from the air outlet of casing 7 right-hand members again.By wind loop is set, guaranteed the flow direction of cooling air.
As shown in Figure 2, due to the axis of armature spindle 2 operating surface perpendicular to marble cutting blade 6, preferably armature spindle 2 and the driving shaft of marble cutting blade 6 are coaxially arranged.In order to improve armature spindle 2 with the connective stability of the driving shaft of marble cutting blade 6 and conveniently to install, armature spindle 2 is integral type structure with the driving shaft of marble cutting blade 6.Also armature spindle 2 can be connected by jockeys such as shaft couplings with the driving shaft of marble cutting blade 6, at this, introduce no longer in detail.
In the present embodiment, high power density brushless electric machine is without Hall internal rotor high power density brushless electric machine; High power density brushless electric machine also comprises: be sheathed on the rotor core 3 in armature spindle 2 outsides, be arranged at the stator 4 in rotor core 3 outsides, be arranged at the permanent magnet 8 between stator 4 and rotor core 3.Also can be applied to outer rotor brushless DC motor as high power density brushless electric machine in marble cutting machine that the utility model embodiment provides.
Wherein, the permanent magnet material of preferred high magnetic is as permanent magnet 8, to improve the power of high power density brushless electric machine.
Because temperature and current density are inversely proportional to, the efficiently radiates heat of stator 4 is determining the power density of motor.As shown in Figure 3, stator 4 comprises stator core 41, is a plurality ofly wound in the stator enamelled wire group 42 in stator core 41 and is arranged at the cold air duct 43 in stator core 41.By cold air duct 43 is set, so that Air Flow, effectively reduce the temperature of stator enamelled wire group 42.Due to, and then improve current density, and guarantee the high power density of the high power density brushless electric machine in the present embodiment, that is, the power that the motor of unit volume produces is higher.
Cold air duct 43 is comprised of the gap between adjacent two stator enamelled wire groups 42 and the gap between stator core 41 and rotor core 3.Stator enamelled wire is wound around on stator core 41, forms stator enamelled wire group 42.In winding process, between adjacent two stator enamelled wire groups 42, there is gap, for Air Flow, and, gap between adjacent two stator enamelled wire groups 42 is communicated with the gap between rotor core 3 with stator core 41, has further strengthened Air Flow, has improved cooling effect.
As tables of data below shows, the diameter of stator 4 of take is 35mm-42mm, and the high power density brushless electric machine that stator height is 70mm is example:
In table 2 prior art with comparing data of the present utility model
Hence one can see that, the power output of the unit volume of the high power density brushless electric machine that the utility model embodiment provides is greater than the power output of the brushless unit volume of high power density of the prior art, but, power is greater than the power of high power density brushless electric machine of the prior art, therefore, the power that the motor of its unit volume produces is higher, to guarantee the high power density of the high power density brushless electric machine that the utility model embodiment provides.
The marble cutting machine that the utility model embodiment provides can be by DC low voltage power supply or industrial frequency AC electric drive.By being set, power line is connected with extraneous power frequency AC, to drive the operation of high power density brushless electric machine.
What be that direct current generator and extraneous power frequency AC supply with due to high power density brushless electric machine is industrial-frequency alternating current.When marble cutting machine is connected with extraneous power supply by power line, need increase and decrease that alternating current is converted into galvanic rectification and filter.That is, in the present embodiment, marble cutting machine also comprises the power line for being connected with extraneous power supply and is arranged at rectification and the filter in casing 7, and wherein, rectification and filter can directly be integrated on controller 5, also can arrange separately.The industrial-frequency alternating current that extraneous power supply is supplied with is introduced marble cutting machine by power line, becomes direct current to the supply of high power density brushless electric machine after over commutation and filter.Wherein, rectification and filter are containing a large electric capacity.Current conventional power frequency AC is 220-240V or 110-127V, by regulating rectification and filter to adapt to different power frequency ACs, and then expands the territory of use of the marble cutting machine that the utility model embodiment provides.
Because the current strength of extraneous power frequency AC is larger, preferably, between rotor core 3 and armature spindle 2, be provided with insulating sleeve 10.
Preferably, the motor casing 1 that the utility model embodiment provides is plastic motor shell, with the double insulated requirement of implementation tool, has further improved safety in utilization.
But, because needs arrange power line, hindered the operation of marble cutting machine, therefore, in the present embodiment, preferably, driving the power supplier of high power density brushless electric machine operation is power brick.What supply with due to power brick is direct current, to realize power brick, directly to high power density brushless electric machine, powers.Battery pack after charging is in powering to high power density brushless electric machine, and the operation of effectively having avoided marble cutting machine to be connected by power line with extraneous electric supply installation, has also avoided in operating process because power line hinders the situation that marble cutting machine operates.
Further, power brick is arranged in casing 7.Effectively avoided power brick external and affect the normal situation about using of marble cutting machine.
Also power brick can be arranged at outside casing 7, on casing 7, be provided with the interface being connected with power brick.Power brick is connected with casing 7 by interface, and it is connected with high power density brushless electric machine conduction.
For the ease of dismounting and the maintenance of high power density brushless electric machine, casing 7 removably connects with motor casing 1.; when casing 7 and motor casing 1 relative separation, high power density brushless electric machine is installed in motor casing 1, then controller 5 is installed in casing 7; after completing controller 5 and line between high power density brushless electric machine being connected, by casing 7 installation relative to motor casing 1.And when needs are changed or keep in repair high power density brushless electric machine, only need casing 7 and motor casing 1 relative separation can keep in repair its inner high power density brushless electric machine or controller 5.
As shown in Figure 2, casing 7 and motor casing 1 is connected for bonding, welding, clamping or screw.Only need to reach the bonding strength of casing 7 and motor casing 1.
In the present embodiment, marble cutting blade 6 is stone material cutting blade.Also can be set to other types, at this, introduce no longer one by one.
In this description, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a marble cutting machine, comprise casing (7), it is characterized in that, also comprise and be arranged in described casing (7) and the motor casing (1) being fixedly connected with the sidewall of described casing (7), described motor casing is provided with high power density brushless electric machine in (1), and the controller of described high power density brushless electric machine (5) is arranged in described casing (7);
Described high power density brushless electric machine comprises and rotates the armature spindle (2) be arranged at described motor casing (1), and the driving shaft of described armature spindle (2) and the marble cutting blade (6) of described marble cutting machine is coaxial arranges and be integral type structure;
The axis of described armature spindle (2) is perpendicular to the center of circle of described marble cutting blade (6) place plane and the described marble cutting blade of process (6).
2. marble cutting machine as claimed in claim 1, is characterized in that, also comprises the fan (9) being arranged on described armature spindle (2).
3. marble cutting machine as claimed in claim 2, is characterized in that, described fan (9) is arranged at described rotor core (3) near a side of described marble cutting blade (6); Or described fan (9) is arranged at described rotor core (3) away from a side of described marble cutting blade (6); Or the quantity of described fan (9) is two, one is positioned at described rotor core (3) near a side of described marble cutting blade (6), and another is positioned at described rotor core (3) away from a side of described marble cutting blade (6).
4. marble cutting machine as claimed in claim 1, is characterized in that, described high power density brushless electric machine is without Hall internal rotor high power density brushless electric machine;
Described high power density brushless electric machine also comprises: the rotor core (3) that is sheathed on described armature spindle (2) outside, the stator (4) that is arranged at described rotor core (3) outside, is arranged at the permanent magnet (8) between described stator (4) and described rotor core (3).
5. marble cutting machine as claimed in claim 4, it is characterized in that, described stator (4) comprises stator core (41), is a plurality ofly wound in the stator enamelled wire group (42) in described stator core (41) and is arranged at the cold air duct (43) in described stator core (41).
6. marble cutting machine as claimed in claim 5, it is characterized in that, described cold air duct (43) is comprised of the gap between the gap between adjacent two described stator enamelled wire groups (42) and described stator core (41) and described rotor core (3).
7. marble cutting machine as claimed in claim 1, is characterized in that, also comprises the power line for being connected with extraneous power frequency AC and is arranged at rectification and the filter in described casing (7);
Between described rotor core (3) and described armature spindle (2), be provided with insulating sleeve (10).
8. marble cutting machine as claimed in claim 7, is characterized in that, described motor casing (1) is plastic motor shell.
9. marble cutting machine as claimed in claim 1, is characterized in that, driving the power supplier of described high power density brushless electric machine operation is power brick.
10. marble cutting machine as claimed in claim 9, it is characterized in that, described power brick is arranged in described casing (7), or, described power brick is arranged at outside described casing (7), and described casing is provided with the interface being connected with described power brick on (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420288527.4U CN203843804U (en) | 2014-05-30 | 2014-05-30 | Marble cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420288527.4U CN203843804U (en) | 2014-05-30 | 2014-05-30 | Marble cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203843804U true CN203843804U (en) | 2014-09-24 |
Family
ID=51556862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420288527.4U Expired - Fee Related CN203843804U (en) | 2014-05-30 | 2014-05-30 | Marble cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203843804U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105437160A (en) * | 2014-05-30 | 2016-03-30 | 浙江绿动电机科技有限公司 | Marble cutting machine |
-
2014
- 2014-05-30 CN CN201420288527.4U patent/CN203843804U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105437160A (en) * | 2014-05-30 | 2016-03-30 | 浙江绿动电机科技有限公司 | Marble cutting machine |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140924 |