CN110216466B - Portable screw and nut equipment - Google Patents
Portable screw and nut equipment Download PDFInfo
- Publication number
- CN110216466B CN110216466B CN201910672912.6A CN201910672912A CN110216466B CN 110216466 B CN110216466 B CN 110216466B CN 201910672912 A CN201910672912 A CN 201910672912A CN 110216466 B CN110216466 B CN 110216466B
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- electromagnet
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- screw
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- 238000001179 sorption measurement Methods 0.000 claims abstract description 9
- 230000001050 lubricating effect Effects 0.000 claims abstract description 8
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 15
- 229910052799 carbon Inorganic materials 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses portable screw and nut assembling equipment, which comprises a shell, a motor, an electromagnet, a power supply, a circuit board, a main switch and a shift button, wherein the motor, the electromagnet, the power supply, the circuit board, the shift button and the main switch are arranged in the shell and are electrically connected to form an electric loop, the electromagnet is matched with an output shaft of the motor through a speed reducer, a connecting port is arranged on the upper end surface of the shell, an assembling disc is detachably connected to the connecting port, the assembling disc is arranged into various specifications according to the diagonal diameter of a nut, the inner diameter of the assembling disc is equal to the diagonal diameter of the nut, a lubricating component is arranged at the bottom of the assembling disc and comprises a ball, an end cover and a clamping groove formed at the bottom of the assembling disc, the ball is arranged in the clamping groove, the end cover is connected to the bottom of the clamping groove, the top of the ball is matched with the, the adsorption end of the electromagnet is rightly assembled on the assembly disc, so that the operation is safe.
Description
Technical Field
The invention relates to the technical field of screw and nut assembling equipment, in particular to portable screw and nut assembling equipment.
Background
The combined screw is used in many industries, the structure of the combined screw is composed of two separated parts, the screw and the nut are generally assembled and then sold in a set, and the screw and the nut are generally assembled by a manufacturer when leaving a factory; the semi-automatic mode adopts semi-mechanical and semi-manual operation, the production efficiency is improved compared with the manual mode, but the mechanical cost is high, the production efficiency is not ideal, and the mode can assemble about 6 sets of products every minute, but the used equipment has large machine type, wide occupied area, high manufacturing cost and large energy consumption, and is difficult to popularize and apply to the whole society.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides portable screw and nut assembling equipment.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a portable screw and nut assembling device comprises a shell, a motor arranged in the shell, an electromagnet, a power supply, a circuit board, a main switch and a shift button arranged on the shell, wherein the motor, the electromagnet, the power supply, the circuit board, the shift button and the main switch are electrically connected to form an electric loop, the electromagnet is matched with an output shaft of the motor through a speed reducer, a connecting port is formed in the upper end face of the shell, an assembling disc is detachably connected to the connecting port, the assembling disc is arranged into multiple specifications according to the diagonal diameter of a nut, the inner diameter of the assembling disc is equal to the diagonal diameter of the nut, a lubricating component is arranged at the bottom of the assembling disc and comprises a ball, an end cover and a clamping groove formed at the bottom of the assembling disc, the ball is arranged in the clamping groove, the end cover is connected to the bottom of the clamping groove, the top of the ball is matched, the adsorption end of the electromagnet is rightly assembled with the assembly disc.
In order to optimize the technical scheme, the adopted measures further comprise:
be provided with anodal conductive slip ring and negative pole conductive slip ring in the periphery of foretell electro-magnet, be equipped with two installation pipes on the inner wall position of shell, be provided with the end cap in the installation pipe, the current-conducting tube, spring and carbon brush, the outer port department at the installation pipe is assembled to the current-conducting tube interference, the end cap is connected at installation outside of tubes end, spring one end is connected with the current-conducting tube cooperation, the other end is connected with the carbon brush cooperation, the carbon brush can stretch out and draw back in the installation pipe, be connected through the wire between current-conducting tube and the carbon brush, anodal conductive slip ring and the conflict of negative pole conductive slip.
The adsorption end face of the electromagnet is provided with a touch delay switch at the center, the touch delay switch is connected with the electromagnet in series and used for controlling the on-off of the current of the electromagnet, when the screw touches the touch delay switch, the touch delay switch is disconnected, the circuit of the electromagnet is cut off, and after the screw is separated from the touch delay switch, the touch delay switch automatically resets after a certain time, and the circuit is communicated with the circuit of the electromagnet.
The upper end face of foretell shell is provided with the laser sensor switch, and the laser sensor switch comprises sender, receiver, and sender, receiver are located the equipment dish both sides, and the laser sensor switch is connected with the circuit board electricity, and the laser sensor switch is used for controlling the electric current break-make of electro-magnet, and when blockking between sender and the receiver, the electro-magnet has the electric current to pass through, produces magnetic force, otherwise, the electro-magnet does not have the electric current to pass through.
Foretell touching time delay switch includes main part, valve rod, reset spring, and the main part cover is put on the valve rod, and the bottom of valve rod is equipped with the slider with main part inner wall adaptation, is provided with the movable contact on the slider, and the top of main part is provided with the stationary contact, and the main part is fixed and is located the projection of center department at the absorption terminal surface of electro-magnet, and reset spring one end is connected with the bottom surface cooperation of slider, and the other end is connected with the up end cooperation of projection.
The lower ends of the transmitter and the receiver are connected with a telescopic rod, the upper end of the telescopic rod is provided with a connecting seat, and the transmitter and the receiver are fixed in the connecting seat.
The bottom of the assembling disc is provided with a flange body matched with the connecting port, the periphery of the flange body is provided with external threads, and the connecting port is internally provided with internal threads which are in threaded connection with the external threads of the flange body.
The bottom of the shell is provided with a bottom plate, a motor base is arranged on the bottom plate, and the motor is fixed in the motor base.
And a charging interface for charging the power supply is arranged on the shell.
The shell is provided with a lifting handle which can rotate around a fixed point on the shell.
Compared with the prior art, the portable screw and nut assembling device comprises a shell, a motor arranged in the shell, an electromagnet, a power supply, a circuit board, a main switch and a shift button arranged on the shell, wherein the motor, the electromagnet, the power supply, the circuit board, the shift button and the main switch are electrically connected to form an electric loop, the electromagnet is matched with an output shaft of the motor through a speed reducer, a connecting port is formed in the upper end face of the shell, an assembling disc is detachably connected to the connecting port, the assembling disc is set into various specifications according to the diagonal diameter of a nut, the inner diameter of the assembling disc is equal to the diagonal diameter of the nut, a lubricating component is arranged at the bottom of the assembling disc and comprises a ball, an end cover and a clamping groove formed at the bottom of the assembling disc, the ball is arranged in the clamping groove, the end cover is connected to the bottom of the clamping groove, the top of the ball is matched with the, the adsorption end of the electromagnet is rightly assembled on the assembly disc, the operation is safe, the nut is adsorbed by the electromagnetic force and is driven to rotate, the production efficiency is high, the operation is convenient, and the energy consumption is low.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is an enlarged view of I in FIG. 3;
FIG. 5 is an enlarged view of II of FIG. 3;
FIG. 6 is an enlarged view of III of FIG. 3;
FIG. 7 is a schematic diagram of the circuit control configuration of the present invention.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
Fig. 1 to 7 are schematic structural views of the present invention.
Wherein the reference numerals are: the device comprises a shell 1, a motor 11, a power supply 12, a circuit board 13, a main switch 14, a shift button 15, a speed reducer 16, a connecting port 17, a bottom plate 18, a charging interface 19, an electromagnet 2, a positive conductive sliding ring 21, a negative conductive sliding ring 22, a convex column 23, an assembly disc 3, a lubricating component 31, a ball 32, an end cover 33, a clamping groove 34, a through hole 35, a flange body 36, a mounting tube 4, a plug 41, a conductive tube 42, a spring 43, a carbon brush 44, a lead 45, a touch delay switch 5, a main body 51, a valve rod 52, a return spring 53, a slide block 54, a movable contact 55, a static contact 56, a laser sensor switch 6, a transmitter 61, a receiver 62, an expansion link 7, a connecting seat 71.
As shown in fig. 1 to 7:
a portable screw and nut assembling device comprises a shell 1, a motor 11 arranged in the shell 1, an electromagnet 2, a power supply 12, a circuit board 13, a main switch 14 and a shift button 15 which are arranged on the shell 1, wherein the motor 11, the electromagnet 2, the power supply 12, the circuit board 13, the shift button 15 and the main switch 14 are electrically connected to form an electric loop, the shift button can change the strength of the magnetic force of the electromagnet through controlling the magnitude of current, the electromagnet 2 is matched with an output shaft of the motor 11 through a speed reducer 16, a connecting port 17 is arranged on the upper end face of the shell 1, an assembling disc 3 is detachably connected at the connecting port 17, the assembling disc 3 is arranged into a plurality of specifications according to the diagonal diameter of a nut, the inner diameter of the assembling disc 3 is equal to the diagonal diameter of the nut, a lubricating component 31 is arranged at the bottom of the assembling disc 3, the lubricating component 31 comprises a ball 32, an end cover 33, ball 32 is installed in draw-in groove 34, end cover 33 is connected in draw-in groove 34 bottom, draw-in groove 34 is exposed at the top of ball 32, the center of equipment dish 3 is equipped with the through-hole 35 with the screw adaptation, the absorption end of electro-magnet 2 is just to equipment dish 3, select corresponding equipment dish 3 to install in connector 17 department according to the nut specification, adjust shift button 15, electro-magnet 2 produces the magnetic force with the nut adaptation, open master switch 14, power 12 is to electro-magnet 2 and motor 11 power supply, electro-magnet 2 produces magnetic force and attracts the nut, motor 11 drives electro-magnet 2 rotatory, and then make the nut rotatory, insert the screw end of screw in the screw hole of nut, the nut just assembles on the screw rod of screw, drive the nut through the electromagnetic force, and convenient for operation, the power consumption.
In the embodiment, the periphery of the electromagnet 2 is provided with the positive conductive slip ring 21 and the negative conductive slip ring 22, the inner wall of the housing 1 is provided with two installation tubes 4, the installation tube 4 is internally provided with a plug 41, a conductive tube 42, a spring 43 and a carbon brush 44, the conductive tube 42 is assembled at the outer port of the installation tube 4 in an interference fit manner, the plug 41 is connected to the outer port of the installation tube 4, one end of the spring 43 is connected with the conductive tube 42 in a matching manner, the other end of the spring is connected with the carbon brush 44 in a matching manner, the carbon brush 44 can extend and retract in the installation tube 4, the conductive tube 42 is connected with the carbon brush 44 through a wire 45, the two carbon brushes 44 are connected with the positive conductive slip ring 21 and the negative conductive slip ring 22 corresponding to the periphery of the electromagnet 2 in.
In the embodiment, the adsorption end face of the electromagnet 2 is provided with a touch delay switch 5 at the center, the touch delay switch 5 is connected with the electromagnet 2 in series, the touch delay switch 5 is used for controlling the on-off of the current of the electromagnet 2, when the screw touches the touch delay switch 5, the touch delay switch 5 is disconnected, the circuit of the electromagnet 2 is cut off, after the screw is separated from the touch delay switch 5, after a certain time, the touch delay switch 5 automatically resets, the circuit of the electromagnet 2 is communicated, the screw touches the touch delay switch 5, the nut is assembled on a screw rod of the screw, the assembled screw and nut can be upwards extracted, at the moment, the electromagnet does not generate magnetic force, and the assembled screw and nut can be conveniently taken out.
In the embodiment, the upper end face of the shell 1 is provided with the laser sensor switch 6, the laser sensor switch 6 is composed of a transmitter 61 and a receiver 62, the transmitter 61 and the receiver 62 are located on two sides of the assembling disc 3, the laser sensor switch 6 is electrically connected with the circuit board 13, the laser sensor switch 6 is used for controlling the on-off of the current of the electromagnet 2, when the transmitter 61 and the receiver 62 are blocked, the electromagnet 2 has the current to pass through, magnetic force is generated, otherwise, the electromagnet 2 has no current to pass through, the electromagnet 2 can be automatically powered off when not assembled, and the phenomenon that the machine body is overheated due to the fact that the electromagnet is electrified for.
In the embodiment, the touch delay switch 5 comprises a main body 51, a valve rod 52 and a return spring 53, wherein the main body 51 is sleeved on the valve rod 52, a sliding block 54 matched with the inner wall of the main body 51 is arranged at the bottom of the valve rod 52, the sliding block 54 can slowly slide along the inner wall of the main body 51 to achieve the delay effect, a movable contact 55 is arranged on the sliding block 54, the movable contact 55 is electrically connected with a coil incoming line of the electromagnet 2, a fixed contact 56 is arranged at the top of the main body 51, the fixed contact 56 is electrically connected with a coil control line of the electromagnet 2, the main body 51 is fixed on a convex column 23 at the center of the adsorption end face of the electromagnet 2, one end of the return spring 53 is connected with the bottom face of the sliding block 54.
In the embodiment, the lower ends of the transmitter 61 and the receiver 62 are connected with the telescopic rod 7, the upper end of the telescopic rod 7 is provided with a connecting seat 71, and the transmitter 61 and the receiver 62 are fixed in the connecting seat 71.
In the embodiment, the bottom surface of the assembly disk 3 is provided with a flange body 36 adapted to the connection port 17, the flange body 36 is provided with external threads on the outer periphery thereof, and the connection port 17 is provided with internal threads for screw-coupling with the external threads of the flange body 36, so that the disassembly is convenient.
In the embodiment, a bottom plate 18 is arranged at the bottom of the housing 1, a motor 11 seat is arranged on the bottom plate 18, and the motor 11 is fixed in the motor 11 seat.
In the embodiment, the housing 1 is provided with a charging interface 19 for charging the power source 12.
In the embodiment, the shell 1 is provided with a handle 8, and the handle 8 can rotate around a fixed point on the shell 1.
The use method of the invention comprises the following steps:
selecting a corresponding assembling disc 3 according to the specification of the nut to be installed at a connecting port 17, adjusting a shift button 15, enabling an electromagnet 2 to generate magnetic force matched with the nut, turning on a main switch 14, enabling a power supply 12 to supply power to the electromagnet 2 and a motor 11, enabling a transmitter 61 and a receiver 62 of a laser sensor switch 6 to be unblocked, enabling no current to pass through the electromagnet 2 and not generating the magnetic force, inserting a screw rod end of the screw into a screw hole of the nut, enabling the transmitter 61 and the receiver 62 of the laser sensor switch 6 to be blocked, enabling the current to pass through the electromagnet 2 to generate the magnetic force, attracting the nut, enabling the motor 11 to drive the electromagnet 2 to rotate so as to enable the nut to rotate, enabling the nut to be assembled on the screw rod of the screw, enabling the lower end of the screw rod of the screw to touch a touch delay switch 5, enabling a valve rod 52 of the touch delay switch 5 to move downwards, the electromagnet 2 can be easily pulled out of the assembled screw and nut without current passing through the electromagnet and magnetic force, at this time, the valve rod 52 moves upwards under the action of the return spring 53, the movable contact 55 is in contact with the fixed contact 56, and the circuit is communicated, so that the next group of nuts and screws can be conveniently assembled.
While the preferred embodiments of the present invention have been illustrated, various changes and modifications may be made by one skilled in the art without departing from the scope of the invention.
Claims (9)
1. The utility model provides a portable screw and nut equipment which characterized by: comprises a shell (1), a motor (11) arranged in the shell (1), an electromagnet (2), a power supply (12), a circuit board (13) and a master switch (14) and a gear shifting button (15) arranged on the shell (1), wherein the motor (11), the electromagnet (2), the power supply (12), the circuit board (13), the gear shifting button (15) and the master switch (14) are electrically connected to form an electric circuit, the electromagnet (2) is matched with an output shaft of the motor (11) through a speed reducer (16), a connecting port (17) is arranged on the upper end face of the shell (1), an assembling disc (3) is detachably connected to the connecting port (17), the assembling disc (3) is arranged into various specifications according to the diagonal diameter of a nut, the inner diameter of the assembling disc (3) is equal to the diagonal diameter of the nut, a lubricating component (31) is arranged at the bottom of the assembling disc (3), the lubricating assembly (31) comprises a ball (32), an end cover (33) and a clamping groove (34) formed at the bottom of the assembling disc (3), the ball (32) is installed in the clamping groove (34), the end cover (33) is connected to the bottom of the clamping groove (34), the clamping groove (34) is exposed out of the top of the ball (32), a through hole (35) matched with a screw is formed in the center of the assembling disc (3), and the adsorption end of the electromagnet (2) is opposite to the assembling disc (3); the periphery of the electromagnet (2) is provided with a positive conductive slip ring (21) and a negative conductive slip ring (22), two mounting tubes (4) are arranged on the inner wall of the shell (1), a plug (41), a conductive tube (42), a spring (43) and a carbon brush (44) are arranged in each mounting tube (4), the conductive tube (42) is arranged at the outer port of the installation tube (4) in an interference fit manner, the plug (41) is connected with the outer port of the installation tube (4), one end of the spring (43) is connected with the conductive tube (42) in a matching way, the other end of the spring is connected with the carbon brush (44) in a matching way, the carbon brushes (44) can stretch out and draw back in the installation pipe (4), the conductive pipe (42) is connected with the carbon brushes (44) through a conducting wire (45), and the two carbon brushes (44) are connected with the corresponding positive conductive slip ring (21) and the negative conductive slip ring (22) on the periphery of the electromagnet (2) in an abutting mode.
2. The portable screw and nut assembly apparatus of claim 1, further comprising: the adsorption end face of the electromagnet (2) is located at the center and is provided with a touch delay switch (5), the touch delay switch (5) is connected with the electromagnet (2) in series, the touch delay switch (5) is used for controlling on-off of current of the electromagnet (2), when a screw touches the touch delay switch (5), the touch delay switch (5) is disconnected, a circuit of the electromagnet (2) is cut off, the screw is separated from the touch delay switch (5), and after a certain time, the touch delay switch (5) automatically resets and is connected with the circuit of the electromagnet (2).
3. The portable screw and nut assembly apparatus of claim 2, wherein: the upper end face of the shell (1) is provided with a laser sensor switch (6), the laser sensor switch (6) is composed of a transmitter (61) and a receiver (62), the transmitter (61) and the receiver (62) are located on two sides of the assembling disc (3), the laser sensor switch (6) is electrically connected with the circuit board (13), the laser sensor switch (6) is used for controlling the current on-off of the electromagnet (2), when the transmitter (61) and the receiver (62) are blocked, the electromagnet (2) has current to pass through to generate magnetic force, and otherwise, the electromagnet (2) has no current to pass through.
4. A portable screw and nut assembly apparatus as defined in claim 3, further comprising: the touch delay switch (5) comprises a main body (51), a valve rod (52) and a return spring (53), wherein the main body (51) is sleeved on the valve rod (52), a sliding block (54) matched with the inner wall of the main body (51) is arranged at the bottom of the valve rod (52), a movable contact (55) is arranged on the sliding block (54), a fixed contact (56) is arranged at the top of the main body (51), the main body (51) is fixed on a convex column (23) of which the adsorption end face of the electromagnet (2) is located at the center, one end of the return spring (53) is connected with the bottom face of the sliding block (54) in a matched mode, and the other end of the return spring is connected with the upper end face of the convex column (23) in a.
5. The portable screw and nut assembly apparatus of claim 4, wherein: the lower ends of the transmitter (61) and the receiver (62) are connected with a telescopic rod (7), the upper end of the telescopic rod (7) is provided with a connecting seat (71), and the transmitter (61) and the receiver (62) are fixed in the connecting seat (71).
6. The portable screw and nut assembly apparatus of claim 5, wherein: the bottom surface of the assembly disc (3) is provided with a flange body (36) matched with the connecting port (17), the periphery of the flange body (36) is provided with external threads, and the connecting port (17) is internally provided with internal threads which are in threaded connection with the external threads of the flange body (36).
7. The portable screw and nut assembly apparatus of claim 6, wherein: the motor is characterized in that a bottom plate (18) is arranged at the bottom of the shell (1), a motor (11) seat is arranged on the bottom plate (18), and the motor (11) is fixed in the motor (11) seat.
8. The portable screw and nut assembly apparatus of claim 7, wherein: and a charging interface (19) for charging the power supply (12) is arranged on the shell (1).
9. The portable screw and nut assembly apparatus of claim 8, wherein: the lifting handle is characterized in that the shell (1) is provided with a lifting handle (8), and the lifting handle (8) can rotate around a fixed point on the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910672912.6A CN110216466B (en) | 2019-07-24 | 2019-07-24 | Portable screw and nut equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910672912.6A CN110216466B (en) | 2019-07-24 | 2019-07-24 | Portable screw and nut equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110216466A CN110216466A (en) | 2019-09-10 |
| CN110216466B true CN110216466B (en) | 2020-12-11 |
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ID=67813894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910672912.6A Active CN110216466B (en) | 2019-07-24 | 2019-07-24 | Portable screw and nut equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110216466B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2530146B2 (en) * | 1987-03-09 | 1996-09-04 | 株式会社ロゼフテクノロジー | Screw tightening device |
| DE69217457T2 (en) * | 1991-11-23 | 1997-09-04 | Yoshitaka Aoyama | Device for determining parts connected to a feed rod of a parts feed unit |
| CN2670019Y (en) * | 2003-11-28 | 2005-01-12 | 宝山钢铁股份有限公司 | Non-contact roller surface electromagnetic cleaner |
| CN201677167U (en) * | 2009-04-18 | 2010-12-22 | 无锡职业技术学院 | An automatic nut tightening machine |
| CN102407442A (en) * | 2010-12-08 | 2012-04-11 | 昆山市瑞捷精密模具有限公司 | Automatic screw locking and twisting machine |
| CN202910477U (en) * | 2012-10-18 | 2013-05-01 | 矢岛技研株式会社 | Nut supply device |
| CN102927349A (en) * | 2012-11-07 | 2013-02-13 | 陈国永 | Digit proportional control valve |
| CN106181348A (en) * | 2016-08-31 | 2016-12-07 | 浙江三永机械有限公司 | Automatically nutting washer arrangement |
| CN207616076U (en) * | 2017-12-25 | 2018-07-17 | 深圳市均佑达自动化科技有限公司 | Magnetic-type automatic locking screw machine structure |
-
2019
- 2019-07-24 CN CN201910672912.6A patent/CN110216466B/en active Active
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| CN110216466A (en) | 2019-09-10 |
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Effective date of registration: 20201210 Address after: No.22, Luozhong natural village, Luoshan administrative village, Hongxiang Township, Wuwei City, Anhui Province 241000 Patentee after: Zhong Xiaoer Address before: 315043 Junyue garden, No. 881, Baizhang East Road, Yinzhou District, Ningbo City, Zhejiang Province Patentee before: Zhang Ming |
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Effective date of registration: 20240205 Address after: 250000 middle section of Luming Road, Zhangjiawa sub district office, Laiwu District, Jinan City, Shandong Province Patentee after: SHANDONG JIUJIA FASTENER CO.,LTD. Country or region after: China Address before: No.22, Luozhong natural village, Luoshan administrative village, Hongxiang Township, Wuwei City, Anhui Province 241000 Patentee before: Zhong Xiaoer Country or region before: China |