CN111816399B - Overload-resistant manganin resistor production line and production process thereof - Google Patents
Overload-resistant manganin resistor production line and production process thereof Download PDFInfo
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- CN111816399B CN111816399B CN202010624924.4A CN202010624924A CN111816399B CN 111816399 B CN111816399 B CN 111816399B CN 202010624924 A CN202010624924 A CN 202010624924A CN 111816399 B CN111816399 B CN 111816399B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
- H01C17/04—Apparatus or processes specially adapted for manufacturing resistors adapted for winding the resistive element
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Abstract
The invention discloses a device for an overload-resistant manganin resistor production line, which comprises a platform, wherein one end of a connecting shaft and one end of a rotating shaft are fixedly connected with a connector, the outer sides of the connectors are respectively provided with a pressing strip, a fixed groove and a fixed block, the rear surface of the pressing strip is fixedly provided with an anti-slip block corresponding to the fixed groove, one side of the pressing strip is provided with a limiting groove, the upper surface of the fixed block is provided with a guide slide rail, one side of the fixed block is provided with a mounting groove communicated with the guide slide rail, the inner side of the mounting groove is fixedly provided with a reset spring, one end of the reset spring is fixedly connected with a limiting rod corresponding to the limiting groove, and the outer side of the limiting rod is fixedly provided with an operating block penetrating through the guide slide rail. The insulating framework and the connector are clamped and connected through the fixing groove, and the anti-slip block is fixed under the matching action of the pressing strip, the reset spring, the limiting rod and the limiting groove, so that the insulating framework is convenient to fix, and the production efficiency of the resistor can be improved.
Description
Technical Field
The invention relates to the technical field of resistor production equipment, in particular to an overload-resistant manganin resistor production line and a production process thereof.
Background
Resistors (resistors) are commonly and directly referred to as resistances in daily life. Is a current limiting element, and after a resistor is connected in a circuit, the resistance value of the resistor is fixed, generally two pins, and the resistor can limit the current passing through a branch connected with the resistor. The resistance value that cannot be changed is called a fixed resistor. Variable resistance is called a potentiometer or a variable resistor. Ideally the resistor is linear, i.e. the instantaneous current through the resistor is proportional to the applied instantaneous voltage. A variable resistor for voltage division. On the exposed resistor body, one to two movable metal contacts are pressed. The contact location determines the resistance between either end of the resistor and the contact. The terminal voltage and the current have a determined functional relation, and a two-terminal device which reflects the capability of converting electric energy into other forms is represented by a letter R and has the unit of ohm omega. Actual devices such as bulbs, heating wires, resistors, etc. may be represented as resistor elements.
The existing resistor production device is inconvenient for fixing the insulating framework, so that the production efficiency of the resistor is reduced; and current resistor apparatus for producing supports highly comparatively fixed, is difficult to adjust the level with it according to the unsmooth condition on ground, influences the steady when resistance wire winding easily, has reduced the resistor quality. Therefore, an overload-resistant manganin resistor production line and a production process thereof are provided.
Disclosure of Invention
The invention aims to provide an overload-resistant manganin resistor production line and a production process thereof, which solve the problem that the existing resistor production device is inconvenient to fix an insulating framework, so that the production efficiency of the resistor is reduced; and current resistor apparatus for producing supports highly comparatively fixed, is difficult to adjust the level with it according to the unsmooth condition on ground, influences the steady when resistance wire winding easily, has reduced the problem of resistor quality.
In order to achieve the purpose, the invention provides the following technical scheme: the device for the overload-resistant manganin resistor production line comprises a platform, wherein the upper surface of the platform is respectively and fixedly provided with an installation platform and a U-shaped fixing frame, the inner side of the U-shaped fixing frame is rotatably connected with a rotating shaft, one side of the U-shaped fixing frame is fixedly provided with a servo motor, an output shaft of the servo motor penetrates through the U-shaped fixing frame and is fixedly connected with a lead screw, the outer side of the lead screw is screwed with a U-shaped frame, the inner side of the U-shaped frame is rotatably connected with a pay-off drum, the upper surface of the installation platform is fixedly provided with a driving motor, the output shaft of the driving motor is fixedly connected with a speed reducer, the output shaft of the speed reducer is fixedly connected with a connecting shaft penetrating through the U-shaped fixing frame, one ends of the connecting shaft and the rotating shaft are respectively and fixedly connected with a connector, the outer side of the connector is respectively provided with a pressing bar, a fixing groove and a fixing block, the rear surface of the pressing bar is fixedly provided with an anti-skid block corresponding to the fixing groove, just the spacing groove has been seted up to one side of layering, the direction slide rail has been seted up to the upper surface of fixed block, just the mounting groove with direction slide rail intercommunication is seted up to one side of fixed block, the inboard fixed mounting of mounting groove has reset spring, reset spring's one end fixedly connected with and the gag lever post that the spacing groove corresponds, the outside fixed mounting of gag lever post has the operation piece that runs through the direction slide rail.
Preferably, the upper surface of the platform is fixedly provided with a level gauge, and the level gauge is positioned on the right side of the U-shaped fixing frame.
Preferably, the even fixed mounting in the lower surface outside of platform has four U type support piece, every the limiting plate has all been cup jointed in U type support piece's the outside, the inside fixed mounting of limiting plate has the screwed pipe, the lower extreme fixedly connected with heel brace of screwed pipe, just the inboard spiro union of screwed pipe has the screw thread post of being connected with U type support piece rotation.
Preferably, a cross-shaped stirring piece is sleeved on the outer side of the threaded column and is located right above the threaded pipe.
Preferably, the bottom of platform fixed mounting has first electric telescopic handle, platform fixedly connected with connecting plate is run through to first electric telescopic handle's output.
Preferably, the upper surface of the connecting plate is provided with a movable groove, the lower surface of the inner cavity of the movable groove is uniformly and fixedly provided with a plurality of buffer springs, and the upper ends of the plurality of buffer springs are fixedly connected with a pressing plate together.
Preferably, a second electric telescopic rod is fixedly mounted on the other side of the U-shaped fixing frame, a movable plate is fixedly connected to the output end of the second electric telescopic rod, a slot is formed in one side of the movable plate, and a cleaning brush penetrating through the U-shaped fixing frame is arranged inside the slot.
Preferably, the bottom of the movable plate is in threaded connection with a butterfly bolt, and the upper end of the butterfly bolt is communicated with the slot.
Preferably, a dust collector is fixedly mounted in the middle of the lower surface of the platform, a connecting pipe penetrating through the platform is fixedly connected to an air inlet of the dust collector, and a dust collecting head is fixedly connected to the upper end of the connecting pipe.
The production process of the device of the overload-resistant manganin resistor production line comprises the following steps:
s1, before use, in order to ensure that the resistance wire is more stable during winding, the platform needs to be adjusted to be in a horizontal state, the screw column connected with the leveling instrument is rotated by observing the leveling instrument and rotating the cross-shaped stirring piece at the corresponding position, and the threaded pipe at the outer side is driven to lift under the action of the limiting plate, so that the supporting height of the foot support is changed, and the platform is horizontally placed;
s2, when in use, firstly, the insulation framework is clamped in the two connectors, one end of the insulation framework is inserted into the fixed groove formed in one of the connectors, then the reset spring is compressed by pulling the operation block, one end of the limiting rod is separated from the limiting groove formed in the pressing strip, the other end of the insulation framework is inserted into the other fixed groove, the operation block is controlled again, the pressing strip is clamped by the limiting rod, the anti-skid block is pressed on the insulation framework, then the second electric telescopic rod is controlled to enable the cleaning brush to be in contact with the insulation framework, the driving motor is started to enable the insulation framework to rotate, the dust on the surface of the insulation framework is cleaned by the cleaning brush, the dust can be collected by the dust collector, finally, the resistance wire outside the pay-off cylinder is spot-welded on the right side of the insulation framework, the driving motor and the servo motor are started, and the servo motor drives the insulation framework to pass through the lead screw, A pay-off drum connected with the U-shaped frame slowly moves leftwards, and meanwhile, under the action of a driving motor, the resistance wire is uniformly wound on the outer side of the insulating framework from right to left, the resistance wire is cut off after winding is finished, and the cut-off part of the resistance wire is spot-welded on the left side of the insulating framework. In the process of winding the resistance wire, the first electric telescopic rod can be controlled to enable the pressing plate to be tightly attached to the outer side of the insulating framework, so that the stability of winding the resistance wire is ensured, and the resistance wire can be prevented from being excessively pressed by the pressing plate by utilizing the elastic deformation capacity of the buffer spring, so that the resistance wire is prevented from being disconnected;
s3, after the work is finished, the operation block is pulled again to compress the reset spring, one end of the limiting rod is separated from the inside of the limiting groove formed by the pressing strip, then the pressing strip is pulled to separate the anti-skidding block from the inside of the fixing groove, and the insulating framework wound with the resistance wire is taken out.
Compared with the prior art, the invention has the following beneficial effects:
1. the insulating framework and the connector are clamped and connected through the fixing groove, and the anti-slip block is fixed under the matching action of the pressing strip, the reset spring, the limiting rod and the limiting groove, so that the insulating framework is convenient to fix, and the production efficiency of the resistor can be improved.
2. According to the invention, the cross-shaped stirring piece is rotated to drive the threaded column to rotate, and the threaded pipe at the outer side is lifted under the action of the limiting plate, so that the supporting height of the foot support at the corresponding position is changed, the resistor production device is conveniently adjusted to be in a horizontal state, the stability of the resistance wire during winding is not influenced, and the quality of the resistor is improved.
3. The resistance wire winding machine is provided with the pressing plate, the pressing plate connected through the buffer spring is driven by the connecting plate to be in contact with the outer side of the insulating framework through adjusting the first electric telescopic rod, so that the stability of winding the resistance wire is guaranteed, the loosening phenomenon cannot occur, and meanwhile, the resistance wire can be prevented from being broken due to overlarge pressure of the pressing plate by utilizing the elastic deformation capacity of the buffer spring.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection between the pressing plate and the connecting plate according to the present invention;
FIG. 3 is an enlarged view of part A of the present invention;
fig. 4 is a partially enlarged view of part B of the present invention.
In the figure: 1. a level gauge; 2. a threaded post; 3. a connecting plate; 4. a butterfly bolt; 5. a first electric telescopic rod; 6. a vacuum cleaner; 7. a connecting pipe; 8. a dust collection head; 9. a cross-shaped toggle piece; 10. a threaded pipe; 11. a foot support; 12. a limiting plate; 13. a U-shaped support member; 14. a platform; 15. an installation table; 16. a drive motor; 17. a speed reducer; 18. a connecting shaft; 19. a slot; 20. a servo motor; 21. a screw rod; 22. a U-shaped frame; 23. a pay-off drum; 24. a U-shaped fixing frame; 25. pressing a plate; 26. a rotating shaft; 27. a connector; 28. a cleaning brush; 29. a second electric telescopic rod; 30. a movable plate; 31. a buffer spring; 32. a movable groove; 33. layering; 34. anti-skid blocks; 35. fixing grooves; 36. a limiting groove; 37. a limiting rod; 38. a return spring; 39. mounting grooves; 40. a fixed block; 41. a guide slide rail; 42. and an operation block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1-4, the device for the overload-resistant manganin resistor production line comprises a platform 14, wherein an installation platform 15 and a U-shaped fixing frame 24 are respectively and fixedly installed on the upper surface of the platform 14, a rotating shaft 26 is rotatably connected to the inner side of the U-shaped fixing frame 24, a servo motor 20 is fixedly installed on one side of the U-shaped fixing frame 24, an output shaft of the servo motor 20 penetrates through the U-shaped fixing frame 24 and is fixedly connected with a screw rod 21, a U-shaped frame 22 is screwed on the outer side of the screw rod 21, a pay-off drum 23 is rotatably connected to the inner side of the U-shaped frame 22, a driving motor 16 is fixedly installed on the upper surface of the installation platform 15, an output shaft of the driving motor 16 is fixedly connected with a speed reducer 17, an output shaft of the speed reducer 17 is fixedly connected with a connecting shaft 18 penetrating through the U-shaped fixing frame 24, one end of the connecting shaft 18 and one end of the rotating shaft 26 are both fixedly connected with a connecting joint 27, a pressing strip 33, a fixing groove 35 and a fixing block 40 are respectively arranged on the outer side of the connecting joint 27, the rear surface fixed mounting of layering 33 has the non slipping spur 34 that corresponds with fixed slot 35, and spacing groove 36 has been seted up to one side of layering 33, direction slide rail 41 has been seted up to the upper surface of fixed block 40, and one side of fixed block 40 sets up the mounting groove 39 with direction slide rail 41 intercommunication, the inboard fixed mounting of mounting groove 39 has reset spring 38, the one end fixedly connected with of reset spring 38 has the gag lever post 37 that corresponds with spacing groove 36, the outside fixed mounting of gag lever post 37 has the operation piece 42 that runs through direction slide rail 41.
Referring to fig. 1, a level 1 is fixedly installed on the upper surface of the platform 14, and the level 1 is located on the right side of the U-shaped fixing frame 24, so that the platform 14 can be conveniently adjusted to be in a horizontal state.
Referring to fig. 1, four U-shaped supporting members 13 are uniformly and fixedly mounted on the outer side of the lower surface of the platform 14, a limiting plate 12 is sleeved on the outer side of each U-shaped supporting member 13, a threaded pipe 10 is fixedly mounted inside the limiting plate 12, a foot support 11 is fixedly connected to the lower end of the threaded pipe 10, and a threaded post 2 rotatably connected with the U-shaped supporting member 13 is screwed on the inner side of the threaded pipe 10, so that the platform 14 can be conveniently adjusted to be in a horizontal state.
Referring to fig. 1, a cross-shaped shifting member 9 is sleeved on the outer side of the threaded column 2, and the cross-shaped shifting member 9 is located right above the threaded pipe 10, so that the threaded column 2 can be conveniently rotated.
Referring to fig. 1, a first electric telescopic rod 5 is fixedly installed at the bottom of a platform 14, and an output end of the first electric telescopic rod 5 penetrates through the platform 14 and is fixedly connected with a connecting plate 3, so that the connecting plate 3 is tightly attached to the outer side of an insulating framework, and stability of a wound resistance wire is ensured.
Referring to fig. 2, a movable groove 32 is formed in the upper surface of the connecting plate 3, a plurality of buffer springs 31 are uniformly and fixedly mounted on the lower surface of the inner cavity of the movable groove 32, and a pressing plate 25 is fixedly connected to the upper ends of the buffer springs 31 together to prevent the resistance wire from being broken due to excessive pressure.
Referring to fig. 1 and 4, a second electric telescopic rod 29 is fixedly installed on the other side of the U-shaped fixing frame 24, a movable plate 30 is fixedly connected to an output end of the second electric telescopic rod 29, a slot 19 is formed in one side of the movable plate 30, and a cleaning brush 28 penetrating through the U-shaped fixing frame 24 is arranged inside the slot 19, so that the insulating framework can be cleaned conveniently.
Referring to fig. 1 and 4, the bottom of the movable plate 30 is threadedly connected with a butterfly bolt 4, and the upper end of the butterfly bolt 4 is communicated with the slot 19, so as to facilitate the assembly and disassembly of the cleaning brush 28.
Referring to fig. 1, a dust collector 6 is fixedly installed in the middle of the lower surface of the platform 14, a connecting pipe 7 penetrating through the platform 14 is fixedly connected to an air inlet of the dust collector 6, and a dust collecting head 8 is fixedly connected to the upper end of the connecting pipe 7, so that dust generated by cleaning the insulating framework can be conveniently absorbed, and environmental pollution can be avoided.
The production process of the device of the overload-resistant manganin resistor production line comprises the following steps:
s1, before use, in order to ensure that the resistance wire is more stable when wound, the platform 14 needs to be adjusted to be in a horizontal state, the level 1 is observed, the cross-shaped stirring piece 9 at the corresponding position is rotated to enable the threaded column 2 connected with the level to rotate, and the threaded pipe 10 at the outer side is driven to lift under the action of the limiting plate 12, so that the supporting height of the foot support 11 is changed, and the platform 14 is horizontally placed;
s2, when in use, firstly clamping the insulating framework in the two connectors 27, inserting one end of the insulating framework into the fixed groove 35 formed in one of the connectors 27, then pulling the operation block 42 to compress the reset spring 38, separating one end of the limit rod 37 from the limit groove 36 formed in the batten 33, inserting the other end of the insulating framework into the other fixed groove 35, controlling the operation block 42 again to enable the limit rod 37 to clamp the batten 33 and enable the antiskid block 34 to press the insulating framework, then controlling the second electric telescopic rod 29 to enable the cleaning brush 28 to be in contact with the insulating framework, starting the driving motor 16 to enable the insulating framework to rotate, enabling the cleaning brush 28 to clean dust on the surface of the insulating framework, collecting the dust by using the dust collector 6, finally spot-welding the resistance wire outside the pay-off cylinder 23 on the right side of the insulating framework, and starting the driving motor 16 and the servo motor 20, the servo motor 20 drives the pay-off drum 23 connected through the screw rod 21 and the U-shaped frame 22 to slowly move leftwards, and simultaneously, under the action of the driving motor 16, the resistance wire is uniformly wound on the outer side of the insulating framework from right to left, and after winding is finished, the resistance wire is cut off, and the cut-off part of the resistance wire is spot-welded on the left side of the insulating framework. In the process of winding the resistance wire, the first electric telescopic rod 5 can be controlled to enable the pressing plate 25 to be tightly attached to the outer side of the insulating framework, so that the stability of winding the resistance wire is ensured, and the resistance wire can be prevented from being excessively pressed by the pressing plate 25 by utilizing the elastic deformation capacity of the buffer spring 31, so that the resistance wire is prevented from being disconnected;
s3, after the work is finished, the operation block 42 is pulled again, the return spring 38 is compressed, one end of the limiting rod 37 is separated from the inside of the limiting groove 36 formed in the pressing strip 33, then the pressing strip 33 is pulled, the anti-skidding block 34 is separated from the inside of the fixing groove 35, and the insulating framework wound with the resistance wires is taken out.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Device of resistant manganese copper resistor production line that transships, including platform (14), its characterized in that: the upper surface of the platform (14) is respectively and fixedly provided with a mounting platform (15) and a U-shaped fixing frame (24), the right inner wall of the U-shaped fixing frame (24) is connected with a rotating shaft (26) in a rotating manner, a servo motor (20) is fixedly arranged on the left outer wall of the U-shaped fixing frame (24), an output shaft of the servo motor (20) penetrates through the U-shaped fixing frame (24) and is fixedly connected with a lead screw (21), the outer side of the lead screw (21) is screwed with a U-shaped frame (22), the inner side of the U-shaped frame (22) is rotatably connected with a pay-off drum (23), the left side of the upper surface of the mounting platform (15) is fixedly provided with a driving motor (16), the right side of the output shaft of the driving motor (16) is fixedly connected with a speed reducer (17), and the output shaft of the speed reducer (17) is fixedly connected with a connecting shaft (18) penetrating through the left side wall of the U-shaped fixing frame (24), one end of the connecting shaft (18) and one end of the rotating shaft (26) are both fixedly connected with a connector (27), the outer side of the connecting head (27) is respectively provided with a pressing strip (33), a fixing groove (35) and a fixing block (40), the rear surface of the pressing strip (33) is fixedly provided with an anti-skid block (34) corresponding to the fixing groove (35), a limiting groove (36) is arranged on one side of the pressing strip (33), a guide sliding rail (41) is arranged on the upper surface of the fixing block (40), and one side of the fixed block (40) is provided with an installation groove (39) communicated with the guide slide rail (41), a return spring (38) is fixedly arranged on the inner side of the mounting groove (39), one end of the return spring (38) is fixedly connected with a limiting rod (37) corresponding to the limiting groove (36), an operation block (42) penetrating through a guide sliding rail (41) is fixedly arranged on the outer side of the limiting rod (37);
a first electric telescopic rod (5) is fixedly installed at the bottom of the platform (14), and the output end of the first electric telescopic rod (5) penetrates through the platform (14) and is fixedly connected with a connecting plate (3); the upper surface of connecting plate (3) has seted up activity groove (32), the even fixed mounting of inner chamber lower surface in activity groove (32) has a plurality of buffer spring (31), and is a plurality of the common fixedly connected with clamp plate (25) in upper end of buffer spring (31).
2. The apparatus for manufacturing the overload-resistant manganin resistor line according to claim 1, wherein: the upper surface of the platform (14) is fixedly provided with a level meter (1), and the level meter (1) is positioned on the right side of the U-shaped fixing frame (24).
3. The apparatus for manufacturing the overload-resistant manganin resistor line according to claim 1, wherein: the utility model discloses a novel platform, including platform (14), the even fixed mounting in the lower surface outside of platform (14) has four U type support piece (13), every limiting plate (12) have all been cup jointed in the outside of U type support piece (13), the inside fixed mounting of limiting plate (12) has screwed pipe (10), the lower extreme fixedly connected with heel brace (11) of screwed pipe (10), just the inboard spiro union of screwed pipe (10) has and rotates threaded post (2) of being connected with U type support piece (13).
4. The apparatus for manufacturing the overload-resistant manganin resistor line according to claim 3, wherein: the outer side of the threaded column (2) is sleeved with a cross-shaped stirring piece (9), and the cross-shaped stirring piece (9) is located right above the threaded pipe (10).
5. The apparatus for manufacturing the overload-resistant manganin resistor line according to claim 1, wherein: the cleaning brush is characterized in that a second electric telescopic rod (29) is fixedly mounted on the outer wall of the right side of the U-shaped fixing frame (24), an output end of the second electric telescopic rod (29) is fixedly connected with a movable plate (30), a slot (19) is formed in one side of the movable plate (30), and a cleaning brush (28) penetrating through the U-shaped fixing frame (24) is arranged inside the slot (19).
6. The apparatus for manufacturing the overload-resistant manganin resistor line according to claim 5, wherein: the bottom of the movable plate (30) is in threaded connection with a butterfly bolt (4), and the upper end of the butterfly bolt (4) is communicated with the slot (19).
7. The apparatus for manufacturing the overload-resistant manganin resistor line according to claim 1, wherein: the dust collector is characterized in that a dust collector (6) is fixedly mounted in the middle of the lower surface of the platform (14), an air inlet of the dust collector (6) is fixedly connected with a connecting pipe (7) penetrating through the platform (14), and an upper end of the connecting pipe (7) is fixedly connected with a dust collection head (8).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010624924.4A CN111816399B (en) | 2020-07-01 | 2020-07-01 | Overload-resistant manganin resistor production line and production process thereof |
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| CN202010624924.4A CN111816399B (en) | 2020-07-01 | 2020-07-01 | Overload-resistant manganin resistor production line and production process thereof |
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| CN111816399B true CN111816399B (en) | 2021-11-30 |
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| CN210167190U (en) * | 2019-08-13 | 2020-03-20 | 江苏兴顺电子有限公司 | Safety type piezoresistor |
| CN210682648U (en) * | 2019-10-08 | 2020-06-05 | 广东永壹珠江电缆有限公司 | Disassembly and assembly mechanism of winding disc for cable processing |
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| CN101533698A (en) * | 2008-07-29 | 2009-09-16 | 爱普科斯电阻电容(珠海)有限公司 | Winding device and winding machine |
| CN208889403U (en) * | 2018-08-27 | 2019-05-21 | 蚌埠市爱瑞特电子有限责任公司 | A kind of efficient bobbin winder device of the constant pressure of wire wound resistor |
| CN208985801U (en) * | 2018-10-25 | 2019-06-14 | 蚌埠市正园电子科技有限公司 | A kind of surface mount wirewound resistor process units |
| CN210073528U (en) * | 2019-06-20 | 2020-02-14 | 山东航天正和电子有限公司 | Wire-wound resistor winding device |
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| CN210682648U (en) * | 2019-10-08 | 2020-06-05 | 广东永壹珠江电缆有限公司 | Disassembly and assembly mechanism of winding disc for cable processing |
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