CN103949605A - Automatic button turning machine - Google Patents
Automatic button turning machine Download PDFInfo
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- CN103949605A CN103949605A CN201410146136.3A CN201410146136A CN103949605A CN 103949605 A CN103949605 A CN 103949605A CN 201410146136 A CN201410146136 A CN 201410146136A CN 103949605 A CN103949605 A CN 103949605A
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- 238000004512 die casting Methods 0.000 claims abstract description 60
- 238000001816 cooling Methods 0.000 claims abstract description 31
- 238000003825 pressing Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 abstract description 6
- 238000011084 recovery Methods 0.000 abstract description 6
- 238000005266 casting Methods 0.000 description 7
- 238000004080 punching Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
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Abstract
The invention discloses an automatic button turning machine, which belongs to the technical field of die-casting fitting processing equipment. The automatic button turning machine comprises a rack (1) and a PLC (programmable logic controller) control unit (2) arranged on the rack (1), wherein a conveying belt for conveying a die-casting fitting is arranged at one side of the rack (1), a feeding device is arranged at a part, positioned at an outlet of the conveying belt, on the rack (1), a positioning device for pressing the die-casting fitting onto a conveying device is arranged below the feeding device, a cooling device for cooling the die-casting fitting is arranged around the conveying device, the rack (1) is also provided with a button turning device for separating a workblank in the die-casting fitting from a material head, and a recovery device for respectively recovering the workblank and the material head, and the feeding device, the positioning device, the cooling device and the button turning device are connected with the PLC control unit (2) through signals and are controlled by the PLC control unit (2). Automatic material feeding and automatic workblank and material head recovery can be realized, the die-casting fitting can be precisely conveyed, the button turning quality is improved, and the working efficiency is improved.
Description
Technical field
The invention belongs to die casting technical field of processing equipment, especially relate to a kind of can self-feeding, and blank in casting casting die and stub bar are separated automatically automatically pull deduction.
Background technology
Die casting is current more advanced metal forming process, aspect spare and accessory parts production in the industries such as agricultural machinery, machine tool industry, medicine equipment, clock and watch and commodity, application is very wide, develop very fast, as parts such as furniture part, metal collar-studs, lockset, slide fasteners, die casting can be realized few smear metal, good forming effect; And injection moulding is the another kind of common method of manufacture product, injection moulding realizes by injection machine and mould, and product is used rubber injection mold and plastic injection-moulded conventionally; Product for injection mo(u)lding or die casting, as large piece article, can singlely make, directly use, and for small article or spare and accessory parts, be all that many products are placed on and in a horizontal tool, carry out injection moulding or die cast conventionally, then small article is one by one pulled open, and pull open small article, be all generally that workman carries out craft and pulls button, inefficiency.
In order to improve die casting, pull the treatment effeciency of material process, and reduce staff's labour intensity, in the applying date, it is on 03 30th, 2012, application number is that 201210092290.8 Chinese invention patent discloses a kind of die casting and pulls deduction, comprise frame, the top of described frame is provided with some cam bawls mechanism, the below of described cam bawl mechanism is provided with pulls buckling die tool, described buckling die tool and the inter-agency slide bar that is connected with of described cam bawl pulled, and described in pull buckling die tool and specifically by described slide bar and described cam bawl mechanism, be connected; Described below of pulling buckling die tool is provided with the workbench being connected with described frame, the two ends of described workbench are respectively arranged with the first sprocket wheel and the second sprocket wheel cooperatively interacting, between described the first sprocket wheel and described the second sprocket wheel, by chain, be connected, and be provided with pawl foot device on described chain; On described workbench, be also provided with the drive matching with described cam bawl mechanism and described the first sprocket wheel respectively, described drive is connected by chain with described cam bawl is inter-agency, between described drive and described the first sprocket wheel, be connected with crank and rocker mechanism, on described workbench, be also provided with the drive unit matching with described drive.
But pulling deduction, above-mentioned die casting still can not realize self-feeding, the automatic recovery blank and stub bar, and it utilizes cam bawl mechanism automatically to pull material, easily occur can not pulling button because transmission position inaccuracy causes, or cause die casting to scrap, affect product quality.
Summary of the invention
The technical problem to be solved in the present invention is can not self-feeding in prior art, the technical problem of the automatic recovery blank and stub bar, provide a kind of and can carry out self-feeding, the automatic recovery blank and stub bar, and can accurately transmit die casting, pull button quality higher automatically pull deduction.
In order to solve the problems of the technologies described above, the invention provides a kind of deduction of automatically pulling, comprise frame and be arranged on the PLC control module in frame, a side in frame arranges the conveyer belt that transmits die casting, in described frame, be positioned at described conveyer belt exit feed arrangement is set, below described feed arrangement, arrange die casting is pressed onto to the positioner in conveying device, above described conveying device, be provided for the cooling device of cooling press foundry goods, in described frame, also arrange pull buckle device and respectively reclaim the retracting device of blank and stub bar separated with stub bar of blank in die casting, described feed arrangement, positioner, cooling device is connected with PLC control module and is controlled by PLC control module with the signal of pulling buckle device, utilize PLC control module accurately to control and realize automatic feed, location, cooling, automatic transmission die casting also makes the blank in die casting accurately separated with stub bar, enter respectively in corresponding retracting device.
The above-mentioned deduction of automatically pulling, described feed arrangement comprises charging box, described charging box bottom arranges rotary part, and described charging box bottom, arranges and promotes charging box around the cylinder five of hinge axis in described charging box bottom by chain connection with described rotary part.
The above-mentioned deduction of automatically pulling, described conveying device comprises driving wheel and the driven pulley being arranged in frame, described driving wheel is rotated by driven by motor, between described driving wheel and driven pulley, chain is set, on described chain, locating piece is set, locating piece is positioned at die casting on chain, by chain-driving, is transmitted.
The above-mentioned deduction of automatically pulling, described positioner comprises the location-plate being arranged in frame, above described location-plate, pressing plate is set, described pressing plate is connected with the piston rod of cylinder six, location-plate can be determined the relative position of die casting, and pressing plate can be fixed on die casting on conveyer belt between two locating pieces.
The above-mentioned deduction of automatically pulling, described cooling device comprises cooling holder and is arranged on the cooling-part on described cooling holder, and described cooling-part is set to fan, and the cold air that fan blows out can carry out cooling casting casting die.
The above-mentioned deduction of automatically pulling, the described buckle device of pulling comprises that first pulls buckle device and second and pull buckle device, first pulls buckle device and second pulls buckle device and can pull open respectively difform blank in die casting, described first pulls buckle device and second pulls buckle device and is arranged on and pulls on button support, described first pulls buckle device comprises cylinder one and cylinder two, on the piston rod of described cylinder one, briquetting is set, in frame below described briquetting, cushion block is set, both sides at described cylinder one arrange respectively cylinder two, drift one is set on the piston rod of described cylinder two, described briquetting matches with cushion block for compressing the blank near chain inner side, the drift being conducive on cylinder two pulls open the blank near chain outside, utilize the flexible of cylinder piston rod, speed is fast, reaction accurately, make drift pull button more accurate, described second pulls buckle device comprises cylinder three, drift two is set on the piston rod of described cylinder three, described drift two is set to two, be arranged on the both sides of chain, for pulling open the blank near chain inner side.
The above-mentioned deduction of automatically pulling, below described drift two, arm-tie is set, described arm-tie is connected with the piston rod of cylinder four, and drift two is for making blank separated with stub bar, and arm-tie can make a part still not have separated blank and stub bar to further separate after drift two punching presses.
The above-mentioned deduction of automatically pulling, described retracting device comprises blank retracting device and stub bar retracting device, described blank retracting device comprises that being arranged on first pulls the feed back case one of buckle device below and be arranged on second and pull the feed back case two of buckle device below, for reclaiming, pull the blank of buckle device under pulling, described stub bar retracting device comprises the feed back case three that is arranged on driven pulley outside, for reclaiming the stub bar after separation, can be used as raw material and again utilize.
Beneficial effect of the present invention is: (1) owing to arranging feed arrangement, positioner, cooling device, pulling buckle device and retracting device, realizes automatic feed, location, cooling and automatically pull button, realizes and pulls button automation mechanized operation; (2) utilize servomotor to carry out transfer control, make die casting delivering position more accurate.(3) feed arrangement, positioner, cooling device, the signal of pulling buckle device be connected with PLC control module and controlled by PLC control module, making in die casting blank accurately separated with stub bar, improving the quality of products.(4) below pulling buckle device, corresponding retracting device is set, product automatic classification is reclaimed, increase work efficiency.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is elaborated.
Fig. 1 is stereogram of the present invention.
Fig. 2 is front view of the present invention.
Fig. 3 is rearview of the present invention.
Fig. 4 is that the present invention pulls one of buckle device stereogram.
Fig. 5 be the present invention pull buckle device stereogram two.
Fig. 6 is pulling plate structure schematic diagram of the present invention.
Accompanying drawing mark explanation: 1-frame, 2-PLC control module, 3-charging box, 4-hinge, 5-cylinder five, 6-driving wheel, 7-driven pulley, 8-motor, 9-chain, 10-locating piece, 11-location-plate, 12-pressing plate, 13-cylinder six, 14-cooling holder, 15-fan, 16-pulls button support, 17-cylinder one, 18-briquetting, 19-cushion block, 20-cylinder two, 21-drift one, 22-cylinder three, 23-drift two, 24-arm-tie, 25-cylinder four, 26-feed back case one, 27-feed back case two, 28-feed back case three, 29-rotary cylinder, 30-slide plate, 31-roller.
The specific embodiment
As shown in Figure 1, Figure 2, Figure 3 shows automatically pull deduction, comprise frame 1 and be arranged on the PLC control module 2 in frame 1, a side in frame 1 arranges the conveyer belt that transmits die casting, conveyer belt can be connected with the outlet of die casting machine, the die casting of producing through die casting machine is sent to corresponding position, realizes automatic transmitting function; In frame 1, be positioned at conveyer belt exit feed arrangement is set, this feed arrangement comprises charging box 3, in the both sides of charging box 3, side plate is set, and can prevent that die casting from skidding off from the side when conveyer belt is sent to charging box 3; In charging box 3 bottoms, rotary part is set, this rotary part can be set to rotary cylinder 29, and turning cylinder drive charging box 3 rotations by rotary cylinder 29, also can arrange moving runner in charging box 3 bottoms, by bar cingulum is moving, rotate; Charging box 3 bottoms are connected by hinge 4 with rotary part, in charging box 3 bottoms, arrange and promote the cylinder 55 that charging box 3 rotates around hinge 4 axles, for example, when cylinder 55 piston rods eject, charging box 3 one end upwards can be pushed up, promoting charging box 3 rotates around hinge 4 axles, 3 run-off the straights of charging box, die casting in charging box 3 is slided in conveying device, in order to make cylinder 55 piston rods eject more convenient, reduce friction, be preferably in cylinder 55 piston rod tops roller 31 is set, utilize roller 31 to promote upwards top of charging box 3.Measure as a further improvement on the present invention, slide plate 30 is set below charging box 3, slide plate 30 both sides arrange side plate, these slide plate 30 outlets are corresponding with locating piece 10 positions on chain 9, when die casting slides from charging box 3, through slide plate 30, can make die casting just in time slide between two locating pieces 10 on chain 9.Certainly, if conveyer belt is arranged in feed arrangement and the same direction of chain 9, can rotary part be set below feed arrangement yet, by conveyer belt, directly die casting be delivered to charging box 3, through charging box 3, deliver on positioner.
As shown in Figure 1, Figure 2, Figure 3 shows automatically pull deduction, below feed arrangement, arrange die casting is pressed onto to the positioner in conveying device, this positioner comprises the location-plate 11 being arranged in frame 1, measure as a further improvement on the present invention, in location-plate 11 both sides, governor motion is set, this governor motion can regulate location-plate 11 positions, makes the width of location-plate 11 both sides corresponding with the width of die casting; Pressing plate 12 is set above location-plate 11, and this pressing plate 12 is connected with the piston rod of cylinder 6 13, and the piston rod of cylinder 6 13 can promote pressing plate 12 and vertically move, and pressing plate 12 is for being fixed on die casting between two locating pieces 10 on chain 9.This conveying device comprises driving wheel 6 and the driven pulley 7 being arranged in frame 1, and driving wheel 6 is driven and rotated by motor 8, and this motor 8 can be used servomotor, makes transmission position more accurate; Between driving wheel 6 and driven pulley 7, chain 9 is set, locating piece 10 is set on chain 9, locating piece 10 is positioned at die casting on chain 9, by chain 9, is driven and is carried.
As shown in Figure 1, Figure 2, Figure 3 shows automatically pull deduction, above conveying device, be provided for the cooling device of cooling press foundry goods, cooling device comprises cooling holder 14 and cooling-part, on cooling holder 14, cooling-part is set, for example cooling-part is set to fan 15, the cold air that fan 15 blows out can carry out cooling casting casting die, because just casting die casting temperature is out higher, through supercooling, die casting is become fragile, easily pulled buckle device separation, otherwise, the die casting that temperature is higher is more tough, is not easy to be pulled buckle device separation.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, in frame 1, arrange and pull buckle device, can blank in die casting be carried out separated with stub bar, this is pulled buckle device and is provided with first and pulls buckle device and second and pull buckle device, first pull buckle device and second pull buckle device can be to there being difform blank to be pulled open respectively in die casting, reclaim respectively, increase work efficiency.First pulls buckle device comprises cylinder 1 and cylinder 2 20, briquetting 18 is set on the piston rod of cylinder 1, cushion block 19 is set below briquetting 18, both sides at cylinder 1 arrange respectively cylinder 2 20, drift 1 is set on the piston rod of cylinder 2 20, like this when first pulls buckle device work, the piston rod of cylinder 1 moves downward, briquetting 18 is also moved downward, briquetting 18 matches with cushion block 19 for compressing the blank near chain 9 inner sides, simultaneously, the piston rod of cylinder 2 20 moves downward, drift 1 is moved downward, the drift 1 being conducive on cylinder 2 20 pulls open the blank near chain 9 outsides, hair is badly entered in feed back case 1.As a kind of excellent selection mode, the setting that slopes inwardly of this cylinder 2 20, makes the angle stamping strip of drift 1 to tilt, to improve punching press effect.
As shown in Fig. 4, Fig. 5, Fig. 6, second pulls buckle device comprises cylinder 3 22, drift 2 23 is set on the piston rod of cylinder 3 22, this drift 2 23 is set to two, be separately positioned on the both sides of chain 9, when cylinder 3 22 work, drift 2 23 can pull open the blank near chain 9 inner sides in die casting like this, measure as a further improvement on the present invention, arm-tie 24 is set below drift 2 23, this arm-tie 24 is set to square or rectangular, one end of this arm-tie 24 is connected with the piston rod of cylinder 4 25, the piston rod of cylinder 4 25 can drive arm-tie 24 to move, arm-tie 24 can make a part still not have separative blank and stub bar to further separate after drift 2 23 punching presses, bad the entering in feed back case 2 27 of hair after separation, measure as a further improvement on the present invention, in first pulls buckle device, also arm-tie 24 can be set, for still not having separative blank and stub bar to further separate after drift one 21 punching presses.
Retracting device as shown in Figure 1, Figure 2, Figure 3 shows comprises blank retracting device and stub bar retracting device, reclaim respectively blank and stub bar, this blank retracting device comprises that being arranged on first pulls the feed back case 1 of buckle device below and be arranged on second and pull the feed back case 2 27 of buckle device below, for reclaiming respectively, pulls the blank of buckle device under pulling; Stub bar retracting device comprises the feed back case 3 28 that is arranged on driven pulley 7 outsides, and for reclaiming the stub bar after separation, stub bar can be used as raw material and is again cast as utilization.
Feed arrangement as shown in Figure 1 and Figure 2, positioner, cooling device and the signal of pulling buckle device are connected with PLC control module 2 and are controlled by PLC control module 2, realize automatic feed, cooling, and automatic transmission also makes blank automatically separated with stub bar.
As Fig. 1, shown in Fig. 2, the present invention can support the use with die casting machine in use, the die casting of producing through die casting machine is transported to charging box 3 through conveyer belt, the piston rod of the cylinder 55 of charging box 3 bottoms ejects, promoting charging box 3 rotates around hinge 4 axles, 3 run-off the straights of charging box, when die casting slides from charging box 3, through slide plate 30, die casting in charging box 3 is just in time slided between two locating pieces 10 of chain 9, pressing plate 12 is pressed on die casting on chain 9 between two locating pieces 10, then motor 8 drives driving wheel 6 and driven pulley 7 and chain 9 to rotate, die casting is delivered to below cooling device, in transportation, to die casting, carry out cooling, when die casting is transported to first while pulling below buckle device, cylinder 1 and cylinder 2 20 are worked simultaneously, briquetting 18 on cylinder one 17 piston rods is pressed on the blank near chain 9 inner sides in die casting on cushion block 19, drift 1 on the piston rod of cylinder 2 20 moves downward, pull open the blank near chain 9 outsides, hair is badly entered in feed back case 1, and then the piston rod of cylinder 1 drives briquetting 18 to move upward, and the piston rod of cylinder 2 20 drives drift 1 to move upward, then chain 9 continues to drive die castings to be transported to second to pull below buckle device, cylinder 3 22 work, drift 2 23 pulls open the blank near chain 9 inner sides in die casting, and hair is badly entered in feed back case 2 27, and the piston rod of cylinder 3 22 drives drift 2 23 to move upward, then cylinder 4 25 work, the piston rod of cylinder 4 25 drives arm-tie 24 to move, and does not still have separative blank and stub bar to further separate a part after drift 2 23 punching presses, last, stub bar transmits and enters feed back case 3 28 through chain 9, can be used as raw material and be again cast as utilization after recovery.
By reference to the accompanying drawings embodiment of the present invention is explained in detail above; but the present invention is not limited to above-mentioned embodiment; to those skilled in the art; can also make under the premise of not departing from the present invention some modification and improvement, these also should be considered as belonging to protection scope of the present invention.
Claims (8)
1. automatically pull deduction for one kind, comprise frame (1) and be arranged on the PLC control module (2) of frame (1), a side in frame (1) arranges the conveyer belt that transmits die casting, it is characterized in that: in described frame (1), be positioned at described conveyer belt exit feed arrangement is set, below described feed arrangement, arrange die casting is pressed onto to the positioner in conveying device, above described conveying device, be provided for the cooling device of cooling press foundry goods, in described frame (1), also arrange pull buckle device and respectively reclaim the retracting device of blank and stub bar separated with stub bar of blank in die casting, described feed arrangement, positioner, cooling device is connected with PLC control module (2) and is controlled by PLC control module (2) with the signal of pulling buckle device.
2. the deduction of automatically pulling according to claim 1, it is characterized in that: described feed arrangement comprises charging box (3), described charging box (3) bottom arranges rotary part, described charging box (3) bottom is connected by hinge (4) with described rotary part, in described charging box (3) bottom, arranges and promotes the cylinder five (5) that charging box (3) rotates around hinge (4) axle.
3. the deduction of automatically pulling according to claim 2, it is characterized in that: described conveying device comprises driving wheel (6) and the driven pulley (7) being arranged in frame (1), described driving wheel (6) is driven and is rotated by motor (8), between described driving wheel (6) and driven pulley (7), chain (9) is set, locating piece (10) is set on described chain (9).
4. the deduction of automatically pulling according to claim 3, it is characterized in that: described positioner comprises the location-plate (11) being arranged in frame (1), in described location-plate (11) top, pressing plate (12) is set, described pressing plate (12) is connected with the piston rod of cylinder six (13).
5. the deduction of automatically pulling according to claim 3, is characterized in that: at described cooling device, comprise cooling holder (14) and be arranged on the cooling-part on described cooling holder (14), described cooling-part is set to fan (15).
6. the deduction of automatically pulling according to claim 4, it is characterized in that: the described buckle device of pulling comprises that first pulls buckle device and second and pull buckle device, described first pulls buckle device and second pulls buckle device and is arranged on and pulls on button support (16), described first pulls buckle device comprises cylinder one (17) and cylinder two (20), briquetting (18) is set on the piston rod of described cylinder one (17), in described briquetting (18) below, cushion block (19) is set, in the both sides of described cylinder one (17), cylinder two (20) is set respectively, drift one (21) is set on the piston rod of described cylinder two (20), described second pulls buckle device comprises cylinder three (22), drift two (23) is set on the piston rod of described cylinder three (22), described drift two (23) is set to two, be arranged on the both sides of chain (9).
7. the deduction of automatically pulling according to claim 6, is characterized in that: in described drift two (23) belows, arm-tie (24) is set, described arm-tie (24) is connected with the piston rod of cylinder four (25).
8. the deduction of automatically pulling according to claim 1, it is characterized in that: described retracting device comprises blank retracting device and stub bar retracting device, described blank retracting device comprises that being arranged on first pulls the feed back case one (26) of buckle device below and be arranged on second and pull the feed back case two (27) of buckle device below, and described stub bar retracting device comprises the feed back case three (28) being arranged on outside driven pulley (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410146136.3A CN103949605B (en) | 2014-04-14 | 2014-04-14 | Automatically deduction is pulled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410146136.3A CN103949605B (en) | 2014-04-14 | 2014-04-14 | Automatically deduction is pulled |
Publications (2)
| Publication Number | Publication Date |
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| CN103949605A true CN103949605A (en) | 2014-07-30 |
| CN103949605B CN103949605B (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410146136.3A Expired - Fee Related CN103949605B (en) | 2014-04-14 | 2014-04-14 | Automatically deduction is pulled |
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| Country | Link |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105170957A (en) * | 2015-07-23 | 2015-12-23 | 湖州金工机械有限公司 | Separating device for side crops of die-casting products |
| CN105312530A (en) * | 2014-07-18 | 2016-02-10 | 泉州卓恒自动化科技有限公司 | Automatic die-casting button blank dispensing and returning production line |
| CN106956926A (en) * | 2017-05-23 | 2017-07-18 | 许天增 | Full-automatic die casting depiler |
| CN107363246A (en) * | 2017-07-27 | 2017-11-21 | 成都市龙泉通惠实业有限责任公司 | A kind of vertical two pistons of processing cut overlap machine |
| CN108907159A (en) * | 2018-06-20 | 2018-11-30 | 浙江华铸铸业科技有限公司 | A kind of blanker of Zinc alloy casting |
| CN109622916A (en) * | 2018-05-16 | 2019-04-16 | 浙江宏日自动化科技有限公司 | Casting seperator |
| CN113664187A (en) * | 2021-08-02 | 2021-11-19 | 义乌市宏日智能科技有限公司 | Casting separator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107363246A (en) * | 2017-07-27 | 2017-11-21 | 成都市龙泉通惠实业有限责任公司 | A kind of vertical two pistons of processing cut overlap machine |
| CN109622916A (en) * | 2018-05-16 | 2019-04-16 | 浙江宏日自动化科技有限公司 | Casting seperator |
| CN108907159A (en) * | 2018-06-20 | 2018-11-30 | 浙江华铸铸业科技有限公司 | A kind of blanker of Zinc alloy casting |
| CN113664187A (en) * | 2021-08-02 | 2021-11-19 | 义乌市宏日智能科技有限公司 | Casting separator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103949605B (en) | 2016-04-20 |
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