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CN211489988U - Wire cutting machine convenient to conveying molybdenum wire - Google Patents

Wire cutting machine convenient to conveying molybdenum wire Download PDF

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Publication number
CN211489988U
CN211489988U CN201922456602.9U CN201922456602U CN211489988U CN 211489988 U CN211489988 U CN 211489988U CN 201922456602 U CN201922456602 U CN 201922456602U CN 211489988 U CN211489988 U CN 211489988U
Authority
CN
China
Prior art keywords
molybdenum wire
molybdenum
wire
fixed
coil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201922456602.9U
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Chinese (zh)
Inventor
林虎
吴海月
孙瑜
刘仙涛
李俊春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Baofeng Graphite Products Co ltd
Original Assignee
Qingdao Baofeng Graphite Products Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Baofeng Graphite Products Co ltd filed Critical Qingdao Baofeng Graphite Products Co ltd
Priority to CN201922456602.9U priority Critical patent/CN211489988U/en
Application granted granted Critical
Publication of CN211489988U publication Critical patent/CN211489988U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to the technical field of wire cutting machines, in particular to a wire cutting machine convenient for conveying molybdenum wires, which comprises a machine body, wherein a cross beam is arranged on the machine body, and a coil fixing device is arranged on one side of the cross beam; the coil fixing device comprises a fixing bracket; the fixed bracket comprises a supporting frame and a fixed frame; the supporting frame is fixed on one side of the cross beam, the fixing frame is U-shaped, the fixing frame comprises a cross rod and vertical rods fixed at two ends of the cross rod, and the cross rod and one end of the supporting frame, which is far away from the cross beam, are fixed; the two vertical rods are respectively provided with a clamping mechanism for elastically abutting two sides of the molybdenum wire coil; and the cross bar is also provided with a pressing mechanism for pressing the molybdenum wire wound by the molybdenum wire coil. The utility model discloses have and to carry out the centre gripping to the molybdenum wire coil, be difficult for making the molybdenum wire stretch out or the effect of excessive unwrapping wire again, have the effect of the conveying molybdenum wire of being convenient for.

Description

Wire cutting machine convenient to conveying molybdenum wire
Technical Field
The utility model belongs to the technical field of wire cut electrical discharge machining's technique and specifically relates to a wire cut electrical discharge machining convenient to conveying molybdenum filament is related to.
Background
With the rapid development of the mold industry, graphite gradually becomes the preferred material for mold manufacturing due to its good physical and chemical properties: the graphite mold has excellent heat conduction and electric conductivity; chemical resistance and corrosion resistance and is not easy to react with most metals; the strength increases with increasing temperature at high temperature (above 800 ℃ for most copper-based matrix sintering temperatures); the lubricating oil has good lubrication and abrasion resistance; easy processing, good machining performance, and can be made into a mold with complex shape and high precision. At present, a wire cutting machine is often used for processing the graphite mould. The wire cutting machine is widely applied to the processing and manufacturing of various mechanical devices such as metal molds, graphite molds and the like; the special machining method for removing the metal material by using the electro-corrosion action generated during pulse discharge between two electrodes immersed in working liquid is also called electro-discharge machining or electro-corrosion machining, wherein a graphite die to be machined is a positive electrode or a negative electrode, and the polarity of the graphite die on a wire cutting machine is opposite to that of the graphite die to be machined.
When a wire cutting machine is used for processing a workpiece, a wire feeding operation needs to be performed first. Due to the loss of the molybdenum wire in the processing process or the occurrence of accidents, the molybdenum wire is scrapped due to damage after being used for a period of time, and the damaged molybdenum wire needs to be periodically dismantled and rewound. Referring to fig. 1, the wire cutting machine comprises a machine body 1, wherein a cross beam 11 is arranged on the machine body 1, a central shaft hole 201 is arranged at the central axis of a molybdenum wire coil 2, and a molybdenum wire 21 is wound on the molybdenum wire coil 2. When the wire is fed, a screw is usually used for the molybdenum wire coil 2 to penetrate through the central shaft hole 201 of the molybdenum wire coil 2 and to be fixed on the beam 11 of the wire cutting machine, the tightness of the molybdenum wire coil 2 cannot be controlled by the method, and the molybdenum wire 21 is easily broken due to the over-tight fixation of the molybdenum wire coil 2; if the molybdenum wire coil 2 is fixed too loosely, the molybdenum wire coil 2 still rotates when the rotation of the wire cylinder stops, so that the wound molybdenum wire 21 is wound into a lump and discarded, and the molybdenum wire 21 wound on the wire cylinder needs to be removed and re-fed due to excessive paying-off of the molybdenum wire 21, which is inconvenient for conveying the molybdenum wire 21.
SUMMERY OF THE UTILITY MODEL
To the deficiency that prior art exists, one of the purposes of the utility model is to provide a wire cut electrical discharge machining convenient to conveying molybdenum filament.
The utility model aims at realizing through the following technical scheme:
a wire cutting machine convenient for conveying molybdenum wires comprises a machine body, wherein a cross beam is arranged on the machine body, and a coil fixing device is arranged on one side of the cross beam;
the coil fixing device comprises a fixing bracket; the fixed bracket comprises a supporting frame and a fixed frame; the supporting frame is fixed on one side of the cross beam, the fixing frame is U-shaped, the fixing frame comprises a cross rod and vertical rods fixed at two ends of the cross rod, and the cross rod and one end of the supporting frame, which is far away from the cross beam, are fixed;
the two vertical rods are respectively provided with a clamping mechanism for elastically abutting two sides of the molybdenum wire coil;
and the cross bar is also provided with a pressing mechanism for pressing the molybdenum wire wound by the molybdenum wire coil.
By adopting the technical scheme, the coil fixing device is fixed on the cross beam, the fixing frame is provided with the clamping mechanism for clamping the molybdenum wire coil, the clamping mechanism is used for elastically clamping the molybdenum wire coil, so that two sides of the molybdenum wire coil can be always in an abutting state, the molybdenum wire coil can be kept moderately fixed in an elastic clamping mode, the molybdenum wire coil cannot be easily rotated due to the fact that the molybdenum wire is fixed too tightly and is snapped or the molybdenum wire coil is fixed too loosely, and the molybdenum wire is conveniently conveyed; the pressing mechanism can ensure that the molybdenum wire in the molybdenum wire coil is not easy to loosen when the molybdenum wire in the molybdenum wire coil is paid off.
The present invention may be further configured in a preferred embodiment as: threaded holes are formed in the two vertical rods in a penetrating mode, and the central axis of each threaded hole is parallel to the length of the corresponding transverse rod;
two the screw hole is run through there is the elasticity screw, two the cavity, two have all been seted up to the relative one end of elasticity screw the relative one end periphery of elasticity screw is provided with the butt ring, the cavity endotheca is equipped with and is used for the loop bar that slides in the cavity, the one end of loop bar outside the cavity is fixed with the butt piece, the loop bar overlaps between butt ring and butt piece and is equipped with the elastic component.
Through adopting above-mentioned technical scheme, when the screw thread of elasticity screw and montant breaks hole screw-thread fit, the elasticity screw is fixed, the loop bar can slide in the cavity, when the loop bar is close to the elasticity screw, the elastic component is compressed, the elastic component has the trend of extension for original length this moment, the elastic component all produces pressure to butt ring and butt rod, when the centre gripping has the molybdenum wire coil between two loop bars this moment, the molybdenum wire coil is by the butt piece butt of two sets of pole ends, make the molybdenum wire coil on can keep the state by compressing tightly.
The present invention may be further configured in a preferred embodiment as: and a plum blossom handle for screwing by hand is arranged at one end of the elastic screw, which is far away from the cavity.
Through adopting above-mentioned technical scheme, the setting of plum blossom handle for when adjusting the elasticity of elasticity screw to molybdenum filament coil, need not also can realize the regulation of elasticity screw through extra instrument, easy operation, labour saving and time saving.
The present invention may be further configured in a preferred embodiment as: the butt joint block comprises a butt joint plate used for butt joint of the side face of the molybdenum wire coil and a support rod used for penetrating through a central shaft hole of the molybdenum wire coil, and the butt joint plate is fixed with one end, far away from the locking screw, of the sleeve rod.
Through adopting above-mentioned technical scheme, the bracing piece can pass the central shaft hole of molybdenum wire coil for the molybdenum wire coil is difficult for dropping at the pivoted in-process.
The present invention may be further configured in a preferred embodiment as: one end of each support rod, which is far away from the butt joint plate, is provided with a magnet and a ferromagnet respectively.
By adopting the technical scheme, when the two supporting rods pass through the central shaft hole of the molybdenum wire coil, the magnet and the ferromagnet at the tail ends of the two supporting rods attract each other, so that the two supporting rods attract each other, and the molybdenum wire coil is not easy to loosen in the rotating process.
The present invention may be further configured in a preferred embodiment as: hold-down mechanism includes outer tube and interior pole, the one end and the horizontal pole of outer tube are connected, the pole has been cup jointed to the one end that the montant was kept away from to the outer tube, the internally mounted of outer tube has the elastic component, the one end that the outer tube was kept away from to interior pole is installed the wheel that rolls.
By adopting the technical scheme, the elastic part has the tendency of extending to the original length when being compressed, so that when the molybdenum wires in the molybdenum wire coil are more, the elastic part is compressed, the rolling wheels are abutted with the molybdenum wire coil and roll along with the paying off of the molybdenum wire coil, and the molybdenum wire part is easy to transit and pay off when the molybdenum wire coil is controlled to rotate by abutting; meanwhile, the elastic piece has elasticity, and excessive pressure is not easy to generate on the molybdenum wire, so that the molybdenum wire is broken by stretching.
The present invention may be further configured in a preferred embodiment as: the peripheral surface of the rolling wheel is sleeved with a buffer sleeve.
Through adopting above-mentioned technical scheme, the cushion collar has elasticity, can be when compressing tightly the molybdenum wire, be difficult for producing too big pressure to the molybdenum wire, lead to the molybdenum wire broken string.
The present invention may be further configured in a preferred embodiment as: the elastic piece is a circular spring.
By adopting the technical scheme, the circular spring has good elastic deformation capacity, can tightly support the molybdenum wire coil, and is not easy to generate overlarge pressure on the molybdenum wire coil, so that the molybdenum wire coil is not easy to be broken by stretching or excessively paying off the molybdenum wire.
To sum up, the utility model discloses a following at least one useful technological effect:
the clamping mechanism can elastically abut against the molybdenum wire coil, so that the molybdenum wire coil can be properly clamped by the skill, the phenomenon of over-tight or over-loose clamping is not easy to generate, and the molybdenum wire coil is not easy to be subjected to the conditions of molybdenum wire stretch breaking or excessive paying-off;
the pressing device can press the molybdenum wire in the molybdenum wire coil, so that the molybdenum wire coil is not easy to excessively pay off in the rotating process;
the two opposite ends of the supporting rod are respectively provided with the magnet and the ferromagnet, and the supporting rods which are close to each other can attract each other in the process of installing the molybdenum wire coil, so that the supporting rod penetrates through the central axis of the molybdenum wire coil to be firmly connected, and the molybdenum wire coil is not easy to separate from the clamping mechanism.
Drawings
FIG. 1 is a schematic view of the overall structure of a wire cutting machine of the prior art;
FIG. 2 is a schematic view showing the overall structure of a wire cutting machine for facilitating the conveyance of molybdenum wire according to the present embodiment;
FIG. 3 is an enlarged partial schematic view of portion A of FIG. 2;
FIG. 4 is a top view of the coil attachment apparatus of this embodiment;
fig. 5 is a sectional view taken along line a-a of fig. 4.
Reference numerals: 1. the device comprises a body, 11, a cross beam, 2, a molybdenum wire coil, 201, a central shaft hole, 21, a molybdenum wire, 3, a fixed support, 31, a support frame, 32, a fixed frame, 33, a cross rod, 34, a vertical rod, 341, a threaded hole, 4, a clamping mechanism, 41, a loose screw, 411, a cavity, 412, a limiting end ring, 413, an abutting ring, 414, a plum blossom handle, 42, a sleeve rod, 421, a limiting end head, 43, an abutting block, 431, an abutting plate, 432, a support rod, 433, a magnet, 434, a ferromagnetic body, 44, a circular spring, 5, a pressing mechanism, 51, an outer tube, 52, an inner rod, 53, a rolling wheel, 531, a buffer sleeve, 532 and a hinged seat.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 2 and 3, for the utility model discloses a wire cutting machine convenient to conveying molybdenum filament, including fuselage 1, be provided with crossbeam 11 on the fuselage 1, coil fixing device is installed to one side of crossbeam 11, and coil fixing device is used for fixed molybdenum filament coil 2. The coil fixing device comprises a fixing support 3, a clamping mechanism 4 and a pressing mechanism 5.
Referring to fig. 4 and 5, the fixing bracket 3 includes a supporting frame 31 and a fixing frame 32, the supporting frame 31 is in a trapezoidal plate shape, the supporting frame 31 is fixed to one side of the cross beam 11, and one end of the supporting frame 31 is connected to the cross beam 11 through a bolt. The fixing frame 32 is U-shaped, the fixing frame 32 includes a cross bar 33 and vertical bars 34 integrally connected to two ends of the cross bar 33, and the cross bar 33 and one end of the supporting frame 31 far from the cross beam 11 are fixed by welding or integrally connecting.
Threaded holes 341 are formed in the ends, far away from the cross rod 33, of the two vertical rods 34, and the central axis of each threaded hole 341 is parallel to the length of the cross rod 33.
The clamping mechanism 4 is mounted on the vertical rod 34, and the clamping mechanism 4 includes a tension screw 41, a loop bar 42, a contact block 43 and an elastic member. A plum blossom handle 414 is connected and fixed to one end of the elastic screw 41 in a threaded manner, the plum blossom handle 414 is disc-shaped, and an arc-shaped recess is formed in the peripheral edge of the plum blossom handle 414 to facilitate screwing by hands; the other end of the elastic screw 41 is provided with a cavity 411, and a limit end ring 412 is connected to the end, far away from the plum blossom handle 414, of the cavity 411 through threads, at the end of the elastic screw 41. The end of the turnbuckle screw 41, at which the cavity 411 is located, is screwed into the threaded hole 341 and the tulip handle 414 is at the end remote from the crossbar 33.
The loop bar 42 is sleeved in the cavity 411, and the end of the loop bar 42 in the cavity 411 is integrally connected with a limit end 421, when the loop bar 42 moves in a direction away from the tightening screw 41, the limit end 421 is abutted against the limit end ring 412, so that the limit end 421 and the limit end ring 412 play a role in limiting the loop bar 42 to be disengaged from the cavity 411 of the tightening screw 41.
The loose screw 41 is integrally connected with a butting ring 413 at the periphery of the tail end close to the cavity 411, the sleeve rod 42 is also connected with a butting block 43 at one end far away from the loose screw, the butting block 43 comprises a butting plate 431 and a support rod 432, the butting block 43 is integrally connected with the tail end of the sleeve rod 42, and the support rod 432 is arranged on the butting plate 431. The elastic member is a circular spring 44, the circular spring 44 is sleeved on the loop bar 42, and two ends of the circular spring 44 are respectively abutted against the abutting block 43 and the abutting ring 413.
The two vertical rods 34 are respectively provided with a clamping mechanism 4, the tail ends of supporting rods 432 in the clamping mechanisms 4 are oppositely arranged, one end of each supporting rod 432 opposite to the other end is provided with a magnet 433, the tail end of the other supporting rod 432 is provided with a ferromagnetic body 434, when the molybdenum wire coil 2 needs to be fixed, the supporting rods 432 are pressed to the elastic screws 41, and at the moment, the circular springs 44 are compressed; the central axial hole 201 of the molybdenum wire coil 2 is aligned with the two support rods 432, the support rods 432 are loosened, so that the support rods 432 approach each other under the action of the circular spring 44 restoring deformation until the ferromagnetic bodies 434 and the magnets 433 at the ends of the two support rods 432 attract each other, and the distance is greater than zero when the ferromagnetic bodies 434 and the magnets 433 approach each other, so that the circular spring 44 can maintain the clamping state on the molybdenum wire coil 2.
The pressing mechanism 5 includes an outer tube 51 and an inner rod 52, one end of the outer tube 51 is fixed to the cross bar 33 by means of bolt connection, a cavity 411 is also provided in the outer tube 51, an elastic member is provided in the cavity 411, the elastic member may be a belleville spring or a circular spring 44, and the circular spring 44 is selected in this embodiment. The end of the outer tube 51 far away from the vertical rod 34 is also provided with a limit end ring 412, the outer circumference edge of the limit end ring 412 is provided with threads, the inner wall of the cavity 411 of the outer tube 51 near the tail end is also provided with threads, and the limit end ring 412 is matched with the threads of the outer tube 51. An inner rod 52 is sleeved in the cavity 411, one end of the inner rod 52 in the cavity 411 is also provided with a limit end 421, and the limit end ring 412 and the limit end 421 can play a role in preventing the outer tube 51 from being separated from the inner rod 52.
The one end that interior pole 52 kept away from outer tube 51 is fixed with articulated seat 532, and articulated seat 532 is "U" shape to the both sides of rolling wheel 53 all are provided with the connecting rod, have seted up the mounting hole on the both sides limit of articulated seat 532 "U" shape, and the connecting rod is pegged graft in the mounting hole, makes to roll wheel 53 and can roll on articulated seat 532. The buffer sleeve 531 is sleeved on the outer peripheral surface of the rolling wheel 53, the buffer sleeve 531 is soft and elastic, the rolling wheel 53 plays a role in supporting the molybdenum wire coil 2, and when the molybdenum wire coil 2 rotates, the rolling wheel 53 rotates along with the molybdenum wire coil, so that the effect of pressing the molybdenum wire 21 in the molybdenum wire coil 2 is achieved, and the molybdenum wire 21 is not prone to excessive paying off.
The implementation principle of the embodiment is as follows: when the installation is carried out, the support frame 31 is fixed on the cross beam 11 by bolts, the support rods 432 are pressed to enable the support rods 432 to approach one ends of the elastic screws 41, the molybdenum wire coil 2 is installed between the two support rods 432, the support rods 432 penetrate through the central shaft hole 201, the abutting plates 431 are abutted with the side faces of the molybdenum wire coil 2, the distance between the abutting rings 413 and the abutting rods is smaller than that in a natural state due to the fact that the elastic screws 41 are fixed with the vertical rods 34, therefore, the circular springs 44 between the abutting rings 413 and the abutting plates 431 are in a compressed state, the circular springs 44 have the tendency of restoring deformation, pressure is applied to the abutting plates 431, and the abutting plates 431 transmit the pressure to the side walls of the molybdenum wire coil 2, so that the molybdenum wire coil 2 is clamped; the molybdenum wire coil 2 is placed above the rolling wheel 53, the rolling wheel 53 is abutted to the molybdenum wire 21, the rolling wheel 53 supports the molybdenum wire coil 2, the rolling wheel 53 can roll along with the rotation of the molybdenum wire coil 2, the molybdenum wire coil 2 is clamped, and the molybdenum wire 21 in the molybdenum wire coil 2 is not easy to loosen, so that the excessive paying-off condition is caused.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a wire cut electrical discharge machining convenient to conveying molybdenum filament, includes fuselage (1), be provided with crossbeam (11) on fuselage (1), its characterized in that: a coil fixing device is arranged on one side of the cross beam (11); the coil fixing device comprises a fixing bracket (3); the fixed support (3) comprises a support frame (31) and a fixed frame (32); the supporting frame (31) is fixed on one side of the cross beam (11), the fixing frame (32) is U-shaped, the fixing frame (32) comprises a cross rod (33) and vertical rods (34) fixed at two ends of the cross rod (33), and the cross rod (33) is fixed with one end, far away from the cross beam (11), of the supporting frame (31); the two vertical rods (34) are respectively provided with a clamping mechanism (4) for elastically abutting against the two sides of the molybdenum wire coil (2); the cross bar (33) is also provided with a pressing mechanism (5) for pressing the molybdenum wire (21) wound by the molybdenum wire coil (2).
2. A wire cutting machine facilitating the transfer of molybdenum wire as claimed in claim 1, wherein: threaded holes (341) are formed in the two vertical rods (34) in a penetrating mode, and the central axis of each threaded hole (341) is parallel to the length of the cross rod (33); two run through in screw hole (341) and have elasticity screw (41), two cavity (411) have all been seted up to the relative one end of elasticity screw (41), two the relative one end periphery of elasticity screw (41) is provided with butt joint ring (413), cavity (411) endotheca is equipped with and is used for gliding loop bar (42) in cavity (411), loop bar (42) one end outside cavity (411) is fixed with butt joint piece (43), loop bar (42) are equipped with the elastic component between butt joint ring (413) and butt joint piece (43).
3. A wire cutting machine facilitating the transfer of molybdenum wire as claimed in claim 2, wherein: one end of the elastic screw (41) far away from the cavity (411) is provided with a plum blossom handle (414) for screwing by hand.
4. A wire cutting machine facilitating the transfer of molybdenum wire as claimed in claim 2, wherein: the abutting block (43) comprises an abutting plate (431) used for abutting against the side face of the molybdenum wire coil (2) and a supporting rod (432) used for penetrating through a central shaft hole (201) of the molybdenum wire coil (2), and the abutting plate (431) is fixed with one end, far away from the locking screw, of the sleeve rod (42).
5. A wire cutting machine facilitating the transfer of molybdenum wire as claimed in claim 4, wherein: one end of each of the two support rods (432), which is far away from the abutting plate (431), is provided with a magnet (433) and a ferromagnet (434).
6. A wire cutting machine facilitating the transfer of molybdenum wire as claimed in claim 1, wherein: hold-down mechanism (5) include outer tube (51) and interior pole (52), the one end and horizontal pole (33) of outer tube (51) are connected, interior pole (52) have been cup jointed to the one end that montant (34) were kept away from in outer tube (51), the internally mounted of outer tube (51) has the elastic component, the one end that outer tube (51) were kept away from in interior pole (52) is installed and is rolled wheel (53).
7. A wire cutting machine facilitating the transfer of molybdenum wire as claimed in claim 6, wherein: the peripheral surface of the rolling wheel (53) is sleeved with a buffer sleeve (531).
8. A wire cutting machine facilitating the transfer of molybdenum wire according to claim 2 or 6, wherein: the elastic member is a circular spring (44).
CN201922456602.9U 2019-12-30 2019-12-30 Wire cutting machine convenient to conveying molybdenum wire Expired - Fee Related CN211489988U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922456602.9U CN211489988U (en) 2019-12-30 2019-12-30 Wire cutting machine convenient to conveying molybdenum wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922456602.9U CN211489988U (en) 2019-12-30 2019-12-30 Wire cutting machine convenient to conveying molybdenum wire

Publications (1)

Publication Number Publication Date
CN211489988U true CN211489988U (en) 2020-09-15

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ID=72396780

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922456602.9U Expired - Fee Related CN211489988U (en) 2019-12-30 2019-12-30 Wire cutting machine convenient to conveying molybdenum wire

Country Status (1)

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CN (1) CN211489988U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118455001A (en) * 2024-07-10 2024-08-09 江苏宁美新能源有限公司 Dispensing equipment for photovoltaic module production and production process thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118455001A (en) * 2024-07-10 2024-08-09 江苏宁美新能源有限公司 Dispensing equipment for photovoltaic module production and production process thereof

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Granted publication date: 20200915

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