CN110640421A - Double-motor direct-drive positioning rotating mechanism - Google Patents
Double-motor direct-drive positioning rotating mechanism Download PDFInfo
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- CN110640421A CN110640421A CN201910885607.5A CN201910885607A CN110640421A CN 110640421 A CN110640421 A CN 110640421A CN 201910885607 A CN201910885607 A CN 201910885607A CN 110640421 A CN110640421 A CN 110640421A
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- 238000000926 separation method Methods 0.000 abstract 1
- 230000005389 magnetism Effects 0.000 description 4
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
Abstract
The invention discloses a double-motor direct-drive positioning rotating mechanism which structurally comprises a first motor, a fixed plate, a connecting plate, a main connecting shaft, a supporting rod, a switching device and a second motor, wherein the first motor is connected with the fixed plate, the fixed plate is provided with the connecting plate, and the connecting plate is parallel to the fixed plate, so that the double-motor direct-drive positioning rotating mechanism has the beneficial effects that: rotate through the rotary rod and promote the movable rod rotation therewith, pull solid carousel rotation with the same direction therewith, make the movable push rod in a intracavity rotatory under the drive in a chamber, with the help of the separation of draw-in groove on movable push rod fractional time and a intracavity wall when sliding on the fixed slot, realize that the disk body can independently rotate, and drive the rotatory corresponding angle of main connecting axle, and utilize the elastic layer to push movable push rod once more on the inner wall in a chamber, make the disk body stop rotatory, when the rotary rod collides with the movable rod once more, the disk body rotates part again, through intermittent type nature angle rotation, reach the purpose of the small-scale regulation of control rotary mechanism.
Description
Technical Field
The invention relates to the field of motors, in particular to a double-motor direct-drive positioning rotating mechanism.
Background
In the process of mechanical production, the components need to be assembled and transferred by utilizing the matching between the rotating mechanism and other mechanisms, the rotating mechanism is driven by a motor to operate, and the existing double-motor direct-drive positioning rotating mechanism has the following defects:
the existing double-motor direct-drive positioning and rotating mechanism achieves the high-precision effect by positioning and rotating materials through a low-power servo motor, but the motor has high running speed, so that the amplitude is large when the driving device is adjusted vertically and horizontally, and the motor cannot be matched with the original assembly line.
Disclosure of Invention
Aiming at the defects of the prior art, the invention is realized by the following technical scheme: a double-motor direct-drive positioning rotating mechanism structurally comprises a first motor, a fixed plate, a connecting plate, two main connecting shafts, two supporting rods, a switching device and a second motor, wherein the first motor is connected with the fixed plate, the connecting plate is arranged on the fixed plate and is parallel to the fixed plate, the connecting plate is connected with the fixed plate through the main connecting shafts, the main connecting shafts are mechanically connected with the switching device, the switching device is mechanically matched with the second motor, the first motor is also provided with the switching device, the two supporting rods are arranged at one end, far away from the connecting plate, of the fixed plate, and the supporting rods are vertically welded with the fixed plate;
switching device comprises motor pivot go-between, working chamber, changeover mechanism, motor pivot go-between and No. two motor pivot mechanical connections, the fixed rotary rod that is equipped with on the motor pivot go-between outer wall to this rotary rod is the integrated configuration with motor pivot go-between outer wall and establishes, structural mounting is in the working chamber about motor pivot go-between, changeover mechanism are, motor pivot go-between and changeover mechanism mechanical cooperation.
As a further optimization of the invention, the switching mechanism comprises a first cavity, a limiting mechanism, protruding blocks, a rotating disk, a movable disk, a reciprocating rail and a solid rotating disk, wherein the movable disk is arranged in the first cavity, the movable disk is arranged in the center of the first cavity and matched with the limiting mechanism, the limiting mechanism is positioned on the inner wall of the first cavity, the first cavity is positioned in the center of the rotating disk and penetrates through the first cavity, the protruding blocks are arranged on the outer side of the rotating disk, the protruding blocks are five and uniformly distributed on the rotating disk, and the rotating disk is matched with the solid rotating disk.
As a further optimization of the invention, the movable disc is composed of a fixed rail, a fixed rod, a disc body, a fixed groove and a movable push rod, the fixed rail is arranged on the movable push rod, the movable push rod penetrates through the fixed rail, the fixed rod is arranged in the fixed rail, the fixed rod is positioned in the center of the disc body and is fixed, the fixed groove is arranged in the center of the disc body and is positioned at the diameter of the disc body, the fixed groove is arranged on the disc body in an embedded manner, the movable push rod is arranged in the fixed groove, and the movable push rod is mechanically matched with the fixed groove in a.
As a further optimization of the invention, the reciprocating rail is composed of a fixed magnetic block, an anode magnetic block, a movable rod and an annular rail, the fixed magnetic block is arranged in the annular rail, the fixed magnetic block is fixedly arranged at one end in the annular rail, the anode magnetic block is positioned on the movable rod, the movable rod is penetrated by the anode magnetic block, the movable rod is movably connected with the rotary rod on the outer wall of the connecting ring of the rotating shaft of the motor, and the movable rod is mechanically welded with the outer wall of the solid turntable.
As a further optimization of the invention, the limiting mechanism is composed of a spring, a bearing plate and an elastic layer, the spring is fixedly connected with the bearing plate, one end of the spring, far away from the bearing plate, is fixed on the inner wall of the first cavity, the bearing plate is fixedly connected with the elastic layer, and the elastic layer is movably connected with the movable push rod.
Advantageous effects
The invention relates to a double-motor direct-drive positioning rotating mechanism, which utilizes a support rod to fix the whole equipment on mechanical equipment, supplies power to two motors to enable the two motors to obtain electric energy and work, is mechanically connected with a rotating mechanism on a main body of the mechanical equipment through a main connecting shaft, when a second motor is electrified, a motor rotating shaft runs and drives a motor rotating shaft connecting ring to move along with the motor rotating shaft connecting ring, because a rotating rod is fixedly arranged on the outer wall of the motor rotating shaft connecting ring, the rotating rod rotates and collides with a movable rod to push the movable rod to rotate along with the movable rod, the movable rod drives a positive pole magnetic block to slide on one end close to a fixed magnetic block on an annular rail, a solid turntable rotates along with the movable rod in the same direction during the sliding process, and the groove on the inner side of the solid turntable is clamped with a convex block to enable the rotating disk to move along with the convex block, so that the movable push, when the movable push rod is separated from the inner wall of the first cavity, the disk body can rotate independently and drive the main connecting shaft to rotate by a corresponding angle, when the movable push rod is thrown out and touches the elastic layer, the movable push rod is rebounded, the movable push rod is pushed into the inner wall of the first cavity again, the disk body stops rotating, and at the moment, the fixed magnetic block and the positive magnetic block have the same magnetism, so that the movable rod is reset under the pushing of the repulsion force of the fixed magnetic block.
Compared with the prior art, the invention has the following advantages:
the rotating rod rotates to push the movable rod to rotate along with the rotating rod, the solid turntable is pulled to rotate along with the rotating rod in the same direction, the movable push rod in the first cavity is driven to rotate under the driving of the first cavity, the movable push rod is separated from the clamping groove in the inner wall of the first cavity in a small time when sliding on the fixed groove, the disc body can rotate independently and drives the main connecting shaft to rotate by a corresponding angle, the movable push rod is pushed into the inner wall of the first cavity again through the elastic layer to stop the disc body from rotating, the movable rod is reset under the driving of the repulsive force of the fixed magnetic block, when the rotating rod collides with the movable rod again, the disc body rotates again, the purpose of controlling the small-amplitude adjustment of the rotating mechanism is achieved through intermittent angular rotation, and the rotating mechanism is further guaranteed to be matched with an assembly line.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of a double-motor direct-drive positioning rotating mechanism according to the present invention.
Fig. 2 is a top view of an adapter of a dual-motor direct-drive positioning and rotating mechanism according to the present invention.
Fig. 3 is a top view of the adapter device of the dual-motor direct-drive positioning rotating mechanism in the working state.
Fig. 4 is a structural diagram of an adapter mechanism of a direct-drive positioning and rotating mechanism with two motors according to the present invention.
Fig. 5 is a perspective view of a movable plate of a double-motor direct-drive positioning rotating mechanism according to the present invention.
Fig. 6 is a structural diagram of a limiting mechanism of a double-motor direct-drive positioning rotating mechanism according to the present invention.
In the figure, a first motor-1, a fixed plate-2, a connecting plate-3, a main connecting shaft-4, a supporting rod-5, a switching device-6, a second motor-7, a motor rotating shaft connecting ring-601, a working cavity-602, a switching mechanism-603, a first cavity-a, a limiting mechanism-b, a protruding block-c, a rotating disk-d, a movable disk-e, a reciprocating rail-f, a solid rotating disk-g, a spring-b 1, a supporting plate-b 2, an elastic layer-b 3, a fixed rail-e 1, a fixed rod-e 2, a disk body-e 3, a fixed groove-e 4, a movable push rod-e 5, a fixed rod-f 1, a positive magnetic block-f 2, a movable rod-f 3 and an annular rail-f 4.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.
Examples
Referring to fig. 1-6, the present invention provides a double-motor direct-drive positioning rotation mechanism, which structurally includes a first motor 1, a fixed plate 2, a connecting plate 3, a main connecting shaft 4, a supporting rod 5, a switching device 6, and a second motor 7, wherein the first motor 1 is connected to the fixed plate 2, the fixed plate 2 is provided with the connecting plate 3, the connecting plate 3 is parallel to the fixed plate 2, the connecting plate 3 is connected to the fixed plate 2 through the main connecting shaft 4, the main connecting shaft 4 is mechanically connected to the switching device 6, the switching device 6 is mechanically matched with the second motor 7, the first motor 1 is also provided with the switching device 6, the two supporting rods 5 are located at one end of the fixed plate 2 far away from the connecting plate 3, and the supporting rods 5 are vertically welded to the fixed plate 2;
the switching device 6 is composed of a motor rotating shaft connecting ring 601, a working cavity 602 and a switching mechanism 603, the motor rotating shaft connecting ring 601 is mechanically connected with a rotating shaft of a second motor 7, a rotating rod is fixedly arranged on the outer wall of the motor rotating shaft connecting ring 601, the rotating rod and the outer wall of the motor rotating shaft connecting ring 601 are integrally structured, the motor rotating shaft connecting ring 601 and the switching mechanism 603 are structurally arranged in the working cavity 602 in an up-down mode, and the motor rotating shaft connecting ring 601 is mechanically matched with the switching mechanism 603.
The movable disc e is composed of a fixed rail e1, a fixed rod e2, a disc e3, a fixed groove e4 and a movable push rod e5, the fixed rail e1 is arranged on the movable push rod e5, the fixed rail e1 penetrates through the movable push rod e5, a fixed rod e2 is arranged in the fixed rail e1, the fixed rod e2 is positioned in the center of the disc e3 and fixed, a fixed groove e4 is arranged in the center of the disc e3, the fixed groove e4 is positioned at the diameter of the disc e4, the fixed groove e4 is arranged on the disc e4 in an embedded mode, a movable push rod e4 is arranged in the fixed groove e4, the movable push rod e4 is mechanically matched with the fixed groove e4 in a sliding mode, the fixed rail e4 is positioned on one end, close to the limiting mechanism b, and the sliding range of the movable push rod e4 is limited in the fixed groove e4 due to the arrangement of the fixed.
The reciprocating rail f is composed of a fixed magnetic block f1, a positive magnetic block f2, a movable rod f3 and an annular rail f4, the fixed magnetic block f1 is installed in the annular rail f4, the fixed magnetic block f1 is fixedly arranged at one end in the annular rail f4, the positive magnetic block f2 is located on the movable rod f3, the positive magnetic block f2 penetrates through the movable rod f3, the movable rod f3 is movably connected with a rotating rod on the outer wall of a connecting ring 601 of a rotating shaft of the motor, the movable rod f3 is mechanically welded with the outer wall of a solid turntable g, the magnetism of the fixed magnetic block f1 is positive, and the mass of the fixed magnetic block f1 is larger than that of the positive magnetic block f2, so that the positive magnetic block f2 can be reset under the action of repulsive force.
The limiting mechanism b is composed of a spring b1, a bearing plate b2 and an elastic layer b3, the spring b1 is fixedly connected with the bearing plate b2, one end, far away from the bearing plate b2, of the spring b1 is fixed on the inner wall of the cavity a, the bearing plate b2 is fixedly connected with the elastic layer b3, the elastic layer b3 is movably connected with the movable push rod e5, and the elastic layer b3 and the spring b1 are arranged, so that when the movable push rod e5 is thrown out after rotating, the movable push rod e5 is urged to reset by reverse force.
The whole equipment is fixed on mechanical equipment by using a support rod 5, two motors are powered to obtain electric energy and work, the whole equipment is mechanically connected with a rotating mechanism on a mechanical equipment main body through a main connecting shaft 4, when a second motor 7 is powered on, a motor rotating shaft runs and drives a motor rotating shaft connecting ring 601 to move along with the motor rotating shaft connecting ring 601, as a rotating rod is fixedly arranged on the outer wall of the motor rotating shaft connecting ring 601, the rotating rod rotates and collides with a movable rod f3, the movable rod f3 is pushed to rotate along with the rotating rod, the movable rod f3 drives a positive pole magnetic block f2 to slide on one end close to a fixed magnetic block f1 on an annular rail f4, in the sliding process, a solid turntable g rotates along with the rotating rod, a groove on the inner side of the solid turntable g is clamped with a convex block c, so that a rotating disk d moves along with the rotating rod d, and a movable push rod e5 in a cavity a rotates under the driving of the cavity a, and the movable push rod e, when the movable push rod e5 is separated from the inner wall of the first cavity a, the disk body e3 can rotate independently and drive the main connecting shaft 4 to rotate by a corresponding angle, when the movable push rod e5 is thrown out and touches the elastic layer b3, the movable push rod e5 is rebounded, so that the movable push rod e5 is pushed into the inner wall of the first cavity a again, the disk body e3 stops rotating, and at the moment, because the magnetism of the fixed magnetic block f1 and the magnetism of the positive magnetic block f2 are the same, the movable rod f3 is reset under the repulsion force of the fixed magnetic block f 1.
The invention solves the problem that the existing double-motor direct-drive positioning and rotating mechanism realizes the positioning and the rotation of materials by using a low-power servo motor to achieve the high-precision effect, but the motor has higher running speed, so that the amplitude is larger when the driving equipment is adjusted up, down, left and right, and the high-precision double-motor direct-drive positioning and rotating mechanism cannot be matched with the original assembly route, through the mutual combination of the components, the rotating rod rotates to push the movable rod f3 to rotate along with the rotating rod, the solid turntable g is pulled to rotate along with the rotating rod in the same direction, so that the movable push rod e5 in the first cavity a is driven to rotate under the driving of the first cavity a, and the movable push rod e5 is separated from the clamping groove on the inner wall of the first cavity a for a small part of time when the movable push rod e5 slides on the fixed groove e4, the disk e3 can rotate independently and drive the main connecting shaft 4 to rotate by, the disk body e3 stops rotating, the movable rod f3 is reset under the pushing force of the fixed magnetic block f1, when the rotating rod collides with the movable rod f3 again, the disk body e3 rotates the part again, the purpose of controlling the small-amplitude adjustment of the rotating mechanism is achieved through intermittent angle rotation, and the rotating mechanism is further guaranteed to be matched with an assembly route.
While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a double motor directly drives location rotary mechanism, its structure includes motor (1), fixed plate (2), connecting plate (3), main connecting axle (4), bracing piece (5), switching device (6), No. two motors (7), its characterized in that:
the first motor (1) is connected with the fixed plate (2), a connecting plate (3) is arranged on the fixed plate (2), the connecting plate (3) is parallel to the fixed plate (2), the connecting plate (3) is connected with the fixed plate (2) through a main connecting shaft (4), the main connecting shaft (4) is mechanically connected with a switching device (6), the switching device (6) is mechanically matched with a second motor (7), the first motor (1) is also provided with the switching device (6), two supporting rods (5) are arranged and located at one end, far away from the connecting plate (3), of the fixed plate (2), and the supporting rods (5) are vertically welded with the fixed plate (2);
switching device (6) comprises motor shaft go-between (601), working chamber (602), changeover mechanism (603), motor shaft go-between (601) and No. two motor (7) pivot machinery are connected, the fixed rotary rod that is equipped with on motor shaft go-between (601) outer wall to this rotary rod is integrated structure with motor shaft go-between (601) outer wall and establishes, motor shaft go-between (601), changeover mechanism (603) are upper and lower structure mounting in working chamber (602), motor shaft go-between (601) and changeover mechanism (603) mechanical cooperation.
2. The double-motor direct-drive positioning and rotating mechanism of claim 1, wherein: switching mechanism (603) by a chamber (a), stop gear (b), protruding piece (c), rotary disk (d), activity dish (e), come and go rail (f), solid carousel (g) and constitute, activity dish (e) are installed at a chamber (a) central authorities and are cooperateed with stop gear (b), stop gear (b) are located a chamber (a) inner wall, a chamber (a) is located rotary disk (d) central authorities and runs through it, the rotary disk (d) outside is equipped with protruding piece (c), cooperate between rotary disk (d) and solid carousel (g).
3. The double-motor direct-drive positioning and rotating mechanism as claimed in claim 2, wherein: activity dish (e) comprises fixed rail (e 1), dead lever (e 2), disk body (e 3), fixed slot (e 4), activity push rod (e 5), fixed rail (e 1) runs through activity push rod (e 5), be equipped with dead lever (e 2) in fixed rail (e 1), dead lever (e 2) are located disk body (e 3) central authorities and fixed, disk body (e 3) central authorities are equipped with fixed slot (e 4), activity push rod (e 5) and fixed slot (e 4) mechanical sliding fit.
4. The double-motor direct-drive positioning and rotating mechanism as claimed in claim 2, wherein: the reciprocating rail (f) is composed of a fixed magnetic block (f 1), an anode magnetic block (f 2), a movable rod (f 3) and a ring-shaped rail (f 4), the fixed magnetic block (f 1) is installed in the ring-shaped rail (f 4), the fixed magnetic block (f 1) is fixedly arranged at one end in the ring-shaped rail (f 4), the anode magnetic block (f 2) is located on the movable rod (f 3), and the movable rod (f 3) is penetrated by the anode magnetic block (f 2).
5. The double-motor direct-drive positioning and rotating mechanism as claimed in claim 2, wherein: spacing mechanism (b) comprises spring (b 1), supporting board (b 2), elastic layer (b 3), spring (b 1) and supporting board (b 2) fixed connection, supporting board (b 2) and elastic layer (b 3) fixed connection, elastic layer (b 3) and activity push rod (e 5) swing joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910885607.5A CN110640421B (en) | 2019-09-19 | 2019-09-19 | Double-motor direct-drive positioning rotating mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910885607.5A CN110640421B (en) | 2019-09-19 | 2019-09-19 | Double-motor direct-drive positioning rotating mechanism |
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| Publication Number | Publication Date |
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| CN110640421A true CN110640421A (en) | 2020-01-03 |
| CN110640421B CN110640421B (en) | 2021-06-25 |
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| CN201910885607.5A Active CN110640421B (en) | 2019-09-19 | 2019-09-19 | Double-motor direct-drive positioning rotating mechanism |
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| CN1496857A (en) * | 2002-09-30 | 2004-05-19 | �ֵܹ�ҵ��ʽ���� | Rotation clutch device and paper advance apparatus made by the device |
| CN2639618Y (en) * | 2003-07-04 | 2004-09-08 | 钟军 | Intermittent mechanical driving mechanism |
| US20090039822A1 (en) * | 2004-12-28 | 2009-02-12 | Denso Corporation | Position detecting apparatus having electric motor and method for detecting position |
| CN102853048A (en) * | 2012-09-26 | 2013-01-02 | 太仓椿盟链传动有限公司 | Driving device for chain connector assembly machine |
| CN204038629U (en) * | 2014-06-29 | 2014-12-24 | 隋勇 | A kind of automatic cup-dividing device |
| CN204387242U (en) * | 2015-01-19 | 2015-06-10 | 新乡职业技术学院 | A kind of piston driving type transposition control device |
| CN105443699A (en) * | 2015-12-26 | 2016-03-30 | 郭嘉辉 | Intermittent speed reducer |
| CN208546499U (en) * | 2018-06-28 | 2019-02-26 | 福建农林大学 | It is a kind of that in the same direction, intermittent rotary frictional wheel drive mechanism can be achieved |
-
2019
- 2019-09-19 CN CN201910885607.5A patent/CN110640421B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1496857A (en) * | 2002-09-30 | 2004-05-19 | �ֵܹ�ҵ��ʽ���� | Rotation clutch device and paper advance apparatus made by the device |
| CN2639618Y (en) * | 2003-07-04 | 2004-09-08 | 钟军 | Intermittent mechanical driving mechanism |
| US20090039822A1 (en) * | 2004-12-28 | 2009-02-12 | Denso Corporation | Position detecting apparatus having electric motor and method for detecting position |
| CN102853048A (en) * | 2012-09-26 | 2013-01-02 | 太仓椿盟链传动有限公司 | Driving device for chain connector assembly machine |
| CN204038629U (en) * | 2014-06-29 | 2014-12-24 | 隋勇 | A kind of automatic cup-dividing device |
| CN204387242U (en) * | 2015-01-19 | 2015-06-10 | 新乡职业技术学院 | A kind of piston driving type transposition control device |
| CN105443699A (en) * | 2015-12-26 | 2016-03-30 | 郭嘉辉 | Intermittent speed reducer |
| CN208546499U (en) * | 2018-06-28 | 2019-02-26 | 福建农林大学 | It is a kind of that in the same direction, intermittent rotary frictional wheel drive mechanism can be achieved |
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| CN110640421B (en) | 2021-06-25 |
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Address after: 510700 Room 204, 9 Junye Road, Huangpu District, Guangzhou City, Guangdong Province Applicant after: Zeng Yuting Address before: 430071 No.2, Xiaohongshan, Wuchang, Hubei Province Applicant before: Zeng Yuting |
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Effective date of registration: 20211124 Address after: 401254 No. 92, Donglin Avenue, Biquan street, Bishan District, Chongqing (plant 52) Patentee after: Chongqing high tech Industry Research Institute Co.,Ltd. Address before: 510700 Room 204, 9 Junye Road, Huangpu District, Guangzhou City, Guangdong Province Patentee before: Zeng Yuting |
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Effective date of registration: 20231221 Address after: No. 7 Hufeng Avenue, Qinggang Street, Bishan District, Chongqing, 400000 Patentee after: Chongqing Yongrun Machinery Manufacturing Co.,Ltd. Address before: 401254 No. 92, Donglin Avenue, Biquan street, Bishan District, Chongqing (plant 52) Patentee before: Chongqing high tech Industry Research Institute Co.,Ltd. |