CN110202122B - Box turning machine - Google Patents
Box turning machine Download PDFInfo
- Publication number
- CN110202122B CN110202122B CN201910542790.9A CN201910542790A CN110202122B CN 110202122 B CN110202122 B CN 110202122B CN 201910542790 A CN201910542790 A CN 201910542790A CN 110202122 B CN110202122 B CN 110202122B
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- ring
- fixing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
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Abstract
The utility model belongs to the technical field of casting equipment, and particularly relates to a box overturning machine. According to the utility model, the box overturning machine is provided with the fixed ring, the rotary ring unit, the fixed plate, the plate motor unit, the internal and external clamping column unit and the ring body clamping unit, so that the effects of stably clamping the sand box and facilitating rotation are achieved. The utility model has the advantages of flexible and convenient two clamping modes of the internal and external clamping column units, suitability for sand boxes formed by various side surfaces, reasonable and effective clamping and unclamping and rotating driving structures, simple and quick operation and stable integral use of the box turnover machine.
Description
Technical Field
The utility model belongs to the technical field of casting equipment, and particularly relates to a box overturning machine.
Background
The box turning machine mainly comprises two steps, namely clamping a sand box, and rotating and turning, wherein the existing box turning machine generally realizes fixed clamping through side clamping bolts, and rotates and turns the box in a mode of integrally driving two circular rings at the end.
However, on the other hand, most of the existing box turners are only provided with a large clamping plate, and when facing an uneven sand box, the problems of small effective clamping area and insufficient strength are easy to occur, so that a box turner with flexibly adjustable clamping parts is urgently needed in the market.
The Chinese patent with publication number CN201354261Y and publication date 2009.12.02 discloses a high-speed box turning machine, which comprises two rows of sand box walking riding wheels extending out of a bottom plate from front to back above a horizontal bottom plate, two spaced and linked large gear rings are respectively fastened with the front edge and the rear edge of the bottom plate, pneumatic sand box clamping claws are also fixedly arranged on the bottom plate, and the large gear rings are in speed reduction transmission connection with a motor. When the cast sand box is conveyed above the bottom plate, the clamping jaw fastens the sand box on the bottom plate.
However, the high-speed box turner disclosed in the patent of the utility model has the problem of poor clamping effect.
Disclosure of Invention
The utility model aims to provide a box turnover machine, which can achieve the effects of stably clamping a sand box and facilitating rotation by arranging a fixed ring, a rotary ring unit, a fixed plate, a plate motor unit, an inner and outer clamping column unit and a ring body clamping unit on a frame. The utility model has the advantages of flexible and convenient two clamping modes of the inner and outer clamping column units, suitability for sand boxes formed by various side surfaces, reasonable and effective clamping and unclamping and rotating driving structures, simple and quick operation and stable integral use of the inner and outer two-ring type box turnover machine with the fixed ring and the rotating ring.
The utility model adopts the technical proposal that: the utility model provides a case turner, includes the frame, and set up respectively two solid fixed rings of frame both sides position department still include the setting gu the fixed ring is inboard and by frame motor driven rotatory ring unit, both ends set up respectively two gu fixed plate on the rotatory ring unit, set up plate body motor unit on the fixed plate, and set up on the fixed plate and by plate body motor unit drive is used for carrying out the inside and outside clamp column unit that presss from both sides tightly fixedly to the sand box.
The further preferable technical scheme is as follows: the internal and external clamping column units comprise plate body screw holes arranged on the fixing plate, a screw connection cylinder body which is arranged on the plate body screw holes and driven by the plate body motor units to clamp the sand box, and screw connection columns which are arranged in the screw connection cylinder body and are used for clamping the sand box in a protruding mode outside the screw connection cylinder body, the plate body motor units comprise two plate body motors which are respectively arranged at two positions on the fixing plate and are used for driving the two internal and external clamping column units, and four driving gears which are arranged at two positions on the plate body motors and are used for driving two groups of screw connection cylinder bodies or two groups of screw connection columns respectively in a chain winding and meshing mode.
The further preferable technical scheme is as follows: the inside and outside type clamping column unit further comprises a first gear arranged on the outer side of the threaded connection cylinder body, a second gear arranged on the outer side of the threaded connection cylinder body, a sand box clamping plate arranged on the inner side of the threaded connection cylinder body, a containing groove arranged on the side surface of the sand box clamping plate, and a protruding clamping plate arranged on the inner side of the threaded connection cylinder body and in a retracted state in the containing groove.
The further preferable technical scheme is as follows: the plate body motor unit also comprises a gear rod meshed with the output gear of the plate body motor, two driving gears are respectively arranged at two ends of the gear rod, and the single plate body motor drives the screw connection cylinder bodies at two sides or the screw connection columns at two sides simultaneously.
The further preferable technical scheme is as follows: the plate motor unit further comprises a gear cover body which is arranged on the fixed plate and used for covering and protecting the idle driving gear.
The further preferable technical scheme is as follows: the rotary ring unit comprises a rotary ring body, a ring body hole and a mounting ring groove, wherein the outer ring of the rotary ring body is provided with a gear meshed with the rack motor, the ring body hole is formed in the rotary ring body, the mounting ring groove is arranged on the side face of the fixed ring and is T-shaped in section, a plurality of T-shaped blocks are arranged on the mounting ring groove in an inserted mode, mounting columns penetrate through the T-shaped blocks and the ring body hole and are used for being in threaded connection with the rotary ring body to be fixed, and balls are embedded into the mounting columns, the balls are arranged on the two side faces of the T-shaped blocks and used for rolling on the two ring faces of the mounting ring groove.
The further preferable technical scheme is as follows: the rotary ring unit further comprises a column body groove which is arranged on the inner side face of the T-shaped block and used for accommodating the mounting column, and the inner side width of the T-shaped block is larger than the notch width of the mounting ring groove.
The further preferable technical scheme is as follows: four ring body clamping units for clamping and fixing the fixing rings are arranged at the positions of two sides of the frame.
The further preferable technical scheme is as follows: the ring body clamping unit comprises a protruding fixing block arranged on the frame, a ring body protruding block arranged on the outer ring surface of the fixing ring and propped against the protruding fixing block, a fixing plate arranged on the frame in a threaded manner, a fixing rectangular groove arranged on the fixing plate, a fixing screw hole arranged on the ring body protruding block, and a fixing screw penetrating through the fixing rectangular groove and the fixing screw hole and used for fixing the ring body protruding block in the frame in a threaded manner.
The further preferable technical scheme is as follows: the lower end of the fixing plate is fixed in a threaded manner, and the upper end of the fixing plate is fixed on the side face of the convex block of the ring body in a threaded manner after being bent.
According to the utility model, the box overturning machine is provided with the fixed ring, the rotary ring unit, the fixed plate, the plate motor unit, the internal and external clamping column unit and the ring body clamping unit, so that the effects of stably clamping the sand box and facilitating rotation are achieved. The utility model has the advantages of flexible and convenient two clamping modes of the internal and external clamping column units, suitability for sand boxes formed by various side surfaces, reasonable and effective clamping and unclamping and rotating driving structures, simple and quick operation and stable integral use of the box turnover machine.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of the position structure of the plate motor unit in the present utility model.
Fig. 3 is a schematic view showing the position structure of the inside and outside type clamping column unit in the present utility model.
Fig. 4 is a schematic view showing the position structure of the swivel unit in the present utility model.
Fig. 5 is a schematic view of a position structure of the ring body fastening unit in the present utility model.
Fig. 6 is a schematic diagram of a connection structure between a driving gear and a first gear in the present utility model.
Detailed Description
The following description is of the preferred embodiments of the utility model and is not intended to limit the scope of the utility model.
Examples: as shown in fig. 1, 2, 3, 4, 5 and fig. 6, a box turner comprises a frame 11, two fixing rings 12 respectively arranged at two sides of the frame 11, a rotating ring unit 1 arranged at the inner side of the fixing rings 12 and driven by a frame motor 13, two fixing plates 2 respectively arranged at two ends of the rotating ring unit 1, a plate body motor unit 3 arranged on the fixing plates 2, and an internal and external clamping column unit 4 arranged on the fixing plates 2 and driven by the plate body motor unit 3 for clamping and fixing a sand box.
In this embodiment, the fixing ring 12 is fixedly disposed, and the rotating ring unit 1 is driven to rotate by the rack motor 13, which has the advantage of greater structural strength compared with the existing single ring rotating mode, and the rotating ring unit 1 is not prone to the tilting and bending phenomenon.
In addition, the plate body motor unit 3 drives the outer and inner clamping parts in the inner and outer clamping column units 4 to rotate inwards to push, wherein the outer clamping part is larger and is used for clamping a main body, the inner clamping part is smaller and is convenient for clamping the surface of the rugged sand box, the effect of assisting the outer clamping part is achieved, and finally the inner and outer clamping column units 4 can stably clamp the sand box with the rugged surface.
The inner and outer clamping column units 4 comprise plate screw holes 401 arranged on the fixed plate 2, screw connection cylinders 402 which are arranged on the plate screw holes 401 and driven by the plate motor units 3 to clamp the sand boxes, and screw connection columns 403 which are arranged in the screw connection cylinders 402 and are used for clamping the sand boxes in a way of protruding outside the screw connection cylinders 402, wherein the plate motor units 3 comprise two plate motors 301 which are respectively arranged at two side positions on the fixed plate 2 and are used for driving the two inner and outer clamping column units 4, and four driving gears 302 which are arranged at two side positions on the plate motor 301 and are used for driving two groups of screw connection cylinders 402 or two groups of screw connection columns 403 respectively in a way of winding and meshing by chains.
In this embodiment, the two plate body motors 301 respectively drive the two paired screw connection cylinders 402 or the screw connection columns 403 on two sides, the screw connection cylinders 402 are larger and are used for clamping raised portions of the sand box with uneven surface, the screw connection columns 403 are smaller and are used for clamping recessed portions of the sand box with uneven surface, so that the inner and outer type clamping column units 4 are ensured to have a targeted clamping effect.
On the other hand, the two plate motors 301 independently drive the screw cylinder 402 or the screw column 403 through chains, so as to ensure flexible controllability of clamping actions of the two plates.
The inside and outside clamping column unit 4 further comprises a first gear 404 arranged on the outer side of the screw-connection cylinder 402, a second gear 405 arranged on the outer side of the screw-connection column 403, a sand box clamping plate 406 arranged on the inner side of the screw-connection cylinder 402, a containing groove 407 arranged on the side surface of the sand box clamping plate 406, and a protruding clamping plate 408 arranged on the inner side of the screw-connection column 403 and arranged in the containing groove 407 in a retracted state.
In this embodiment, the sand box clamping plate 406 is large and flat, the protruding clamping plate 408 is small and can protrude, both can effectively clamp the sand box with uneven surface, the second gear 405 is kept still and retracted in the receiving slot 407 when not driven by the plate motor 301, so that the axial depth of the receiving slot 407 should be large, and the length of the screw post 403 itself should be long, so that the protruding clamping plate 408 can fully rotate and extend out of the receiving slot 407 after the second gear 405 is driven, and the clamping actions on both inner and outer sides of the inner and outer clamping post unit 4 are ensured to be effective.
The plate motor unit 3 further comprises a gear rod 303 meshed with the output gear of the plate motor 301, and two ends of the gear rod are respectively provided with two driving gears 302, and the single plate motor 301 drives the screw cylinders 402 on two sides or the screw columns 403 on two sides simultaneously. The plate motor unit 3 further includes a gear cover 304 disposed on the fixed plate 2 and used for covering and protecting the idle driving gear 302.
In this embodiment, an intermediate gear for transmitting power and changing the rotation direction is provided between the gear lever 303 and the output shaft of the plate motor 301, so that the rotation power of the plate motor 301 is finally transmitted to the driving gear 302, and the gear cover 304 is provided, so that the inside and outside clamp column unit 4 on the side is left idle, and the clamping operation of the sand box is completed only by the rotation pushing action of the inside and outside clamp column unit 4 on the other side, which can also save one chain on the idle inside and outside clamp column unit 4.
The rotary ring unit 1 comprises a rotary ring body 101 with an outer ring provided with a gear meshed with the rack motor 13, a ring body hole 102 arranged on the rotary ring body 101, a mounting ring groove 103 arranged on the side surface of the fixed ring 12 and with a T-shaped section, a plurality of T-shaped blocks 104 inserted and arranged on the mounting ring groove 103, a mounting column 105 penetrating through the T-shaped blocks 104 and the ring body hole 102 and used for being fixedly connected with the rotary ring body 101 in a threaded manner, and balls 106 embedded into the two side surfaces of the T-shaped blocks 104 and used for rolling on the two ring surfaces of the mounting ring groove 103. The rotary ring unit 1 further includes a column groove 107 provided on an inner side surface of the T-shaped block 104 for receiving the mounting column 105, and an inner side width of the T-shaped block 104 is larger than a groove width of the mounting groove 103.
In this embodiment, the gear on the outer ring surface of the rotating ring body 101 is meshed with the output gear of the stand motor 13, the T-shaped block 104 is made of rubber, and is clamped into the mounting ring groove 103 in an extrusion deformation manner, and finally the purpose that the rotating ring body 101 drives the fixed plate 2 and the sand box to rotate is achieved through the balls 106.
Four ring body clamping units 5 for clamping and fixing the fixing rings 12 are arranged on two sides of the frame 11. The ring body clamping unit 5 comprises a protruding fixing block 501 arranged on the frame 11, a ring body protruding block 502 arranged on the outer ring surface of the fixing ring 12 and propped against the protruding fixing block 501, a fixing plate 503 arranged on the frame 11 in a screwed connection mode, a fixing rectangular groove 504 arranged on the fixing plate 503, a fixing screw hole 505 arranged on the ring body protruding block 502, and a fixing screw penetrating through the fixing rectangular groove 504 and the fixing screw hole 505 and used for fixing the ring body protruding block 502 on the frame 11 in a screwed connection mode. The lower end of the fixing plate 503 is screwed and fixed, and the upper end is bent and then screwed and fixed on the side surface of the ring body protruding block 502.
In this embodiment, the lower end of the fixing plate 503 is screwed to the frame 11, the middle of the fixing plate is bent and then attached to the protruding fixing block 501 and the ring body protruding block 502, and the upper end of the fixing plate is finally screwed to the ring body protruding block 502, so that the fixing ring 12 can be stably installed and fixed through the ring body protruding block 502.
On the other hand, the fixing ring 12 is provided with two ring body clamping units 5 on two sides respectively, and the fixing ring 12 is supported together, so that the installation stability of the fixing ring 12 is ensured.
The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited to the above embodiments, and various modifications may be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model. These are all non-inventive modifications which are intended to be protected by the patent laws within the scope of the appended claims.
Claims (8)
1. The utility model provides a box turnover machine, includes frame (11) to and set up respectively two solid fixed ring (12) of frame (11) both sides position department, its characterized in that: the sand box clamping device also comprises a rotating ring unit (1) which is arranged at the inner side of the fixed ring (12) and driven by a frame motor (13), two first fixing plates (2) with two ends respectively arranged on the two rotating ring units (1), a plate body motor unit (3) arranged on the first fixing plates (2), and an inner and outer clamping column unit (4) which is arranged on the first fixing plates (2) and driven by the plate body motor unit (3) for clamping and fixing the sand box,
the inner and outer clamping column units (4) comprise plate body screw holes (401) arranged on the first fixing plate (2), screw connection cylinders (402) arranged on the plate body screw holes (401) and driven by the plate body motor units (3) for clamping the sand box, screw connection columns (403) arranged in the screw connection cylinders (402) in a screw connection mode and protruding outside the screw connection cylinders (402) for clamping the sand box, the plate body motor units (3) comprise two plate body motors (301) respectively arranged at two side positions on the first fixing plate (2) and used for driving the two inner and outer clamping column units (4), four driving gears (302) arranged at two side positions on the plate body motors (301) and used for driving the two screw connection cylinders (402) or the two screw connection columns (403) respectively in a chain winding and meshing mode,
the inside and outside clamping column unit (4) further comprises a first gear (404) arranged on the outer side of the screw-connection cylinder body (402), a second gear (405) arranged on the outer side of the screw-connection cylinder body (403), a sand box clamping plate (406) arranged on the inner side of the screw-connection cylinder body (402), a containing groove (407) arranged on the side surface of the sand box clamping plate (406), and a protruding clamping plate (408) arranged on the inner side of the screw-connection cylinder body (403) and in a retracted state and arranged in the containing groove (407).
2. A box turner according to claim 1, wherein: the plate motor unit (3) further comprises a gear rod (303) meshed with the output gear of the plate motor (301) and provided with two driving gears (302) at two ends respectively, and the plate motor (301) drives the screw connection cylinders (402) at two sides or the screw connection columns (403) at two sides simultaneously.
3. A box turner according to claim 1, wherein: the plate body motor unit (3) further comprises a gear cover body (304) which is arranged on the first fixed plate (2) and used for covering and protecting the idle driving gear (302).
4. A box turner according to claim 1, wherein: the rotary ring unit (1) comprises a rotary ring body (101) with an outer ring provided with a gear meshed with the rack motor (13), a ring body hole (102) arranged on the rotary ring body (101), a mounting ring groove (103) arranged on the side face of the fixed ring (12) and with a T-shaped section, a plurality of T-shaped blocks (104) arranged on the mounting ring groove (103) in a plugging manner, mounting columns (105) penetrating through the T-shaped blocks (104) and the ring body hole (102) and used for being in threaded connection and fixation with the rotary ring body (101), and balls (106) embedded in the two side faces of the T-shaped blocks (104) and used for rolling on the two ring faces of the mounting ring groove (103).
5. A box turner as in claim 4 wherein: the rotary ring unit (1) further comprises a column body groove (107) which is arranged on the inner side surface of the T-shaped block (104) and used for accommodating the mounting column (105), and the inner side width of the T-shaped block (104) is larger than the groove opening width of the mounting groove (103).
6. A box turner according to claim 1, wherein: four ring body clamping units (5) for clamping and fixing the fixing rings (12) are arranged at the positions of two sides of the frame (11).
7. A box turner as in claim 6 wherein: the ring body clamping unit (5) comprises a protruding fixing block (501) arranged on the frame (11), a ring body protruding block (502) arranged on the outer ring surface of the fixing ring (12) and propped against the protruding fixing block (501), a second fixing plate (503) arranged on the frame (11) in a threaded mode, a fixing rectangular groove (504) arranged on the second fixing plate (503), a fixing screw hole (505) arranged on the ring body protruding block (502), and a fixing screw penetrating through the fixing rectangular groove (504) and the fixing screw hole (505) and used for fixing the ring body protruding block (502) in a threaded mode on the frame (11).
8. A box turner as in claim 7 wherein: the lower end of the second fixing plate (503) is fixed in a threaded manner, and the upper end of the second fixing plate is bent and then fixed on the side face of the ring body protruding block (502) in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910542790.9A CN110202122B (en) | 2019-06-21 | 2019-06-21 | Box turning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910542790.9A CN110202122B (en) | 2019-06-21 | 2019-06-21 | Box turning machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110202122A CN110202122A (en) | 2019-09-06 |
| CN110202122B true CN110202122B (en) | 2023-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910542790.9A Active CN110202122B (en) | 2019-06-21 | 2019-06-21 | Box turning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110202122B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113060519B (en) * | 2021-04-13 | 2024-06-18 | 浙江亚厦装饰股份有限公司 | Improved plate turnover machine with quick turn-over function |
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|---|---|---|---|---|
| JPS54171621U (en) * | 1978-05-22 | 1979-12-04 | ||
| JPH11290993A (en) * | 1998-04-10 | 1999-10-26 | Sintokogio Ltd | Molding flask inversion delivery method |
| CN2593951Y (en) * | 2002-11-14 | 2003-12-24 | 辽河石油勘探局总机械厂 | Wedge style automatic centralizing clamp |
| CN201354261Y (en) * | 2009-02-11 | 2009-12-02 | 云南宏尚隆科技有限公司 | High-speed box-turning machine |
| CN202639243U (en) * | 2012-05-14 | 2013-01-02 | 辽阳市富祥曲轴有限公司 | Automatic box turnover machine |
| CN202779732U (en) * | 2012-09-19 | 2013-03-13 | 山东昊强机械有限公司 | Mould turnover mechanism for casting |
| CN204148493U (en) * | 2014-08-20 | 2015-02-11 | 安徽新宁装备股份有限公司 | One is turned over mould and is gone out ball point to machine |
| CN206263246U (en) * | 2016-12-05 | 2017-06-20 | 成都嘉新特种精密铸造有限公司 | A kind of high-speed box-turning machine |
| CN107530768A (en) * | 2015-07-28 | 2018-01-02 | 新东工业株式会社 | Mold turning device |
| CN210908064U (en) * | 2019-06-21 | 2020-07-03 | 浙江省军工集团有限公司 | Box turnover machine |
-
2019
- 2019-06-21 CN CN201910542790.9A patent/CN110202122B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54171621U (en) * | 1978-05-22 | 1979-12-04 | ||
| JPH11290993A (en) * | 1998-04-10 | 1999-10-26 | Sintokogio Ltd | Molding flask inversion delivery method |
| CN2593951Y (en) * | 2002-11-14 | 2003-12-24 | 辽河石油勘探局总机械厂 | Wedge style automatic centralizing clamp |
| CN201354261Y (en) * | 2009-02-11 | 2009-12-02 | 云南宏尚隆科技有限公司 | High-speed box-turning machine |
| CN202639243U (en) * | 2012-05-14 | 2013-01-02 | 辽阳市富祥曲轴有限公司 | Automatic box turnover machine |
| CN202779732U (en) * | 2012-09-19 | 2013-03-13 | 山东昊强机械有限公司 | Mould turnover mechanism for casting |
| CN204148493U (en) * | 2014-08-20 | 2015-02-11 | 安徽新宁装备股份有限公司 | One is turned over mould and is gone out ball point to machine |
| CN107530768A (en) * | 2015-07-28 | 2018-01-02 | 新东工业株式会社 | Mold turning device |
| CN206263246U (en) * | 2016-12-05 | 2017-06-20 | 成都嘉新特种精密铸造有限公司 | A kind of high-speed box-turning machine |
| CN210908064U (en) * | 2019-06-21 | 2020-07-03 | 浙江省军工集团有限公司 | Box turnover machine |
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| Publication number | Publication date |
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| CN110202122A (en) | 2019-09-06 |
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Address after: 313000 No. 168, Beihu East Street, Wukang street, Deqing County, Huzhou City, Zhejiang Province Applicant after: Zhejiang Military Industry Group Co.,Ltd. Address before: 313000 Beihu Street, Wukang Town, Deqing County, Huzhou City, Zhejiang Province Applicant before: ZHEJIANG MILITARY INDUSTRY GROUP Co.,Ltd. |
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