CN213888976U - Triaxial screws up device in step - Google Patents
Triaxial screws up device in step Download PDFInfo
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- CN213888976U CN213888976U CN202023016590.7U CN202023016590U CN213888976U CN 213888976 U CN213888976 U CN 213888976U CN 202023016590 U CN202023016590 U CN 202023016590U CN 213888976 U CN213888976 U CN 213888976U
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Abstract
The utility model relates to a screw up machine technical field, especially relate to a device is screwed up in step to triaxial, including frame, the triaxial moving mechanism of setting in the frame, be used for loading treat the seat of placing and screw up the mechanism of lock silk work piece, triaxial moving mechanism is located places the seat top. The three-axis moving mechanism comprises a Y-axis moving mechanism, an X-axis moving mechanism and a Z-axis moving mechanism; the X-axis moving mechanism is horizontally arranged on the Y-axis moving mechanism and is vertically arranged relative to the Y-axis moving mechanism, and the Z-axis moving mechanism is vertically arranged on the X-axis moving mechanism and is vertically arranged relative to the X-axis moving mechanism. The tightening mechanism is arranged on the Z-axis moving mechanism, the three-axis moving mechanism drives the tightening mechanism to move to a position right above the placing seat, and the first cylinder drives the tightening assembly to contact with a workpiece to be locked. The position adjustment is realized by arranging the three-axis moving mechanism to drive the tightening mechanism to move synchronously, the wire locking efficiency of the tightening mechanism is improved, and the operation convenience of the whole device is improved.
Description
Technical Field
The utility model relates to a screw up machine technical field, especially relate to a triaxial screws up device in step.
Background
The automatic screw locking machine realizes the procedures of automatic conveying, screwing, detection and the like of screws through various electric and pneumatic components, simplifies the screw fastening procedure through equipment, reduces the number of workers and reduces adverse factors caused by manual misoperation, and greatly improves the screw locking efficiency compared with the traditional manual screw locking mode. The automatic screw locking machine mainly comprises: the device comprises a handheld screw locking machine, a multi-shaft automatic screw locking machine and a coordinate automatic screw locking machine. The traditional multi-shaft automatic screw locking machine is complex in design structure and high in operation difficulty in order to realize multi-shaft movement, and therefore maintenance cost is high.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problem that a triaxial synchronous tightening device, simple structure and convenient operation are provided.
In order to solve the technical problem, the utility model discloses a technical scheme be: the triaxial synchronous tightening device comprises a rack, triaxial moving mechanisms, a placing seat and a tightening mechanism, wherein the triaxial moving mechanisms are respectively arranged on the rack; the three-axis moving mechanism is positioned above the placing seat; the three-axis moving mechanism comprises a Y-axis moving mechanism, an X-axis moving mechanism and a Z-axis moving mechanism;
the Y-axis moving mechanism is horizontally arranged on the rack, the X-axis moving mechanism is horizontally arranged on the Y-axis moving mechanism and is vertically arranged relative to the Y-axis moving mechanism, and the Z-axis moving mechanism is vertically arranged on the X-axis moving mechanism and is vertically arranged relative to the X-axis moving mechanism;
the Y-axis moving mechanism comprises a Y-axis drag chain, a Y-axis drag chain plate and a Y-axis electric cylinder, the Y-axis electric cylinder is provided with a first sliding seat connected with the telescopic end of the Y-axis electric cylinder, the Y-axis drag chain plate is fixedly connected with the Y-axis electric cylinder and arranged in parallel relative to the Y-axis electric cylinder, the Y-axis drag chain is connected to the Y-axis drag chain plate in a sliding manner, one end of the Y-axis drag chain is connected with the X-axis moving mechanism through a first connecting plate, and the other end of the Y-axis drag chain is connected with the Y-axis drag chain plate;
the X-axis moving mechanism is connected with the first sliding seat and comprises an X-axis drag chain, an X-axis drag chain plate and an X-axis electric cylinder, and the X-axis electric cylinder is provided with a second sliding seat connected with the telescopic end of the X-axis electric cylinder; the X-axis drag chain plate is fixedly connected with the X-axis electric cylinder and is arranged in parallel relative to the X-axis electric cylinder, the X-axis drag chain is connected to the X-axis drag chain plate in a sliding manner, one end of the X-axis drag chain is connected with the second sliding seat through a second connecting plate, and the other end of the X-axis drag chain is connected with the X-axis drag chain plate;
the Z-axis moving mechanism is connected with the second sliding seat, the tightening mechanism is arranged on the Z-axis moving mechanism and comprises a first air cylinder and a tightening assembly, and the driving end of the first air cylinder is in transmission connection with the tightening assembly; when the three-axis moving mechanism drives the screwing mechanism to move right above the placing seat, the first air cylinder drives the screwing assembly to contact with a workpiece to be locked.
Further, all be equipped with sensor assembly on Y axle electric jar, the electric jar of X axle and the electric jar of Z axle, sensor assembly includes first position sensor and second position sensor, first position sensor corresponds the initial position setting of triaxial moving mechanism, the position setting of the lock silk station that the second position sensor corresponds triaxial moving mechanism.
Furthermore, the tightening mechanism is connected with the Z-axis moving mechanism through a vertically arranged Z-axis bottom plate, a vertically arranged slide rail is arranged on the Z-axis bottom plate, and the tightening assembly is connected with a slide block arranged on the slide rail; the flexible end of first cylinder passes through the fixed plate and screws up the subassembly and be connected.
Furthermore, the tightening assembly comprises a screwdriver, a vacuum valve and a screw adsorption tube, one end of the screwdriver is provided with a rotating shaft, and the rotating shaft is connected with the screwdriver head; one end of the rotating shaft, which is close to the screwdriver head, is provided with an air pipe opening, the vacuum valve is arranged on the air pipe opening, and the air pipe opening is connected with the screw adsorption pipe; the screw adsorption tube is connected with the screw feeding mechanism.
Furthermore, the tightening mechanism is further provided with an electromagnetic valve, and the electromagnetic valve is electrically connected with the first air cylinder, the vacuum valve and the Z-axis electric cylinder respectively.
The beneficial effects of the utility model reside in that:
1. the utility model provides a device is screwed up in triaxial synchronization, through setting up triaxial moving mechanism, triaxial moving mechanism includes that Y axle moving mechanism, X axle moving mechanism and Z axle moving mechanism drive jointly and screw up mechanism's synchronous motion and realize the position adjustment, improves the lock silk efficiency of screwing up the mechanism, has improved the simple operation nature of whole device simultaneously.
And 2, the Y-axis moving mechanism is in transmission connection with the Y-axis drag chain, the X-axis moving mechanism is in transmission connection with the X-axis drag chain, the calibration of the three-axis moving mechanism in the horizontal direction can be ensured, and the drag chain can play a role in traction and protection on original pieces such as pipelines in the Y-axis electric cylinder and the X-axis electric cylinder.
Drawings
Fig. 1 is a schematic structural view of a three-axis synchronous tightening device according to the present invention;
description of reference numerals:
1. a frame;
2. a placing seat;
3. a tightening mechanism; 31. a first cylinder; 32. screwing the assembly; 321. a screwdriver; 3211. a rotating shaft;
4. a Y-axis moving mechanism; 41. a Y-axis drag chain; 42. a Y-axis electric cylinder;
5. an X-axis moving mechanism; 51. an X-axis drag chain; 52. an X-axis electric cylinder;
6. a Z-axis moving mechanism; 61. a Z-axis electric cylinder; 62. and a Z-axis baseplate.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1, the utility model provides a triaxial synchronous tightening device, which comprises a frame, triaxial moving mechanisms respectively arranged on the frame, a placing seat for loading a workpiece to be screwed, and a tightening mechanism; the three-axis moving mechanism is positioned above the placing seat; the three-axis moving mechanism comprises a Y-axis moving mechanism, an X-axis moving mechanism and a Z-axis moving mechanism;
the Y-axis moving mechanism is horizontally arranged on the rack, the X-axis moving mechanism is horizontally arranged on the Y-axis moving mechanism and is vertically arranged relative to the Y-axis moving mechanism, and the Z-axis moving mechanism is vertically arranged on the X-axis moving mechanism and is vertically arranged relative to the X-axis moving mechanism;
the Y-axis moving mechanism comprises a Y-axis drag chain, a Y-axis drag chain plate and a Y-axis electric cylinder, the Y-axis electric cylinder is provided with a first sliding seat connected with the telescopic end of the Y-axis electric cylinder, the Y-axis drag chain plate is fixedly connected with the Y-axis electric cylinder and arranged in parallel relative to the Y-axis electric cylinder, the Y-axis drag chain is connected to the Y-axis drag chain plate in a sliding manner, one end of the Y-axis drag chain is connected with the X-axis moving mechanism through a first connecting plate, and the other end of the Y-axis drag chain is connected with the Y-axis drag chain plate;
the X-axis moving mechanism is connected with the first sliding seat and comprises an X-axis drag chain, an X-axis drag chain plate and an X-axis electric cylinder, and the X-axis electric cylinder is provided with a second sliding seat connected with the telescopic end of the X-axis electric cylinder; the X-axis drag chain plate is fixedly connected with the X-axis electric cylinder and is arranged in parallel relative to the X-axis electric cylinder, the X-axis drag chain is connected to the X-axis drag chain plate in a sliding manner, one end of the X-axis drag chain is connected with the second sliding seat through a second connecting plate, and the other end of the X-axis drag chain is connected with the X-axis drag chain plate;
the Z-axis moving mechanism is connected with the second sliding seat, the tightening mechanism is arranged on the Z-axis moving mechanism and comprises a first air cylinder and a tightening assembly, and the driving end of the first air cylinder is in transmission connection with the tightening assembly; when the three-axis moving mechanism drives the screwing mechanism to move right above the placing seat, the first air cylinder drives the screwing assembly to contact with a workpiece to be locked.
From the above description, the beneficial effects of the present invention are: the utility model provides a device is screwed up in triaxial synchronization, through setting up triaxial moving mechanism, triaxial moving mechanism includes that Y axle moving mechanism, X axle moving mechanism and Z axle moving mechanism drive jointly and screw up mechanism's synchronous motion and realize the position adjustment, improves the lock silk efficiency of screwing up the mechanism, has improved the simple operation nature of whole device simultaneously. Y axle moving mechanism is connected with Y axle tow chain transmission, and X axle moving mechanism is connected with X axle tow chain transmission, can guarantee the calibration that triaxial moving mechanism removed in the horizontal direction, and the tow chain can play original paper such as pipeline in Y axle electric cylinder and the X axle electric cylinder and pull and the effect of protection.
Further, all be equipped with sensor assembly on Y axle electric jar, the electric jar of X axle and the electric jar of Z axle, sensor assembly includes first position sensor and second position sensor, first position sensor corresponds the initial position setting of triaxial moving mechanism, the position setting of the lock silk station that the second position sensor corresponds triaxial moving mechanism.
According to the above description, the Y-axis electric cylinder, the X-axis electric cylinder and the Z-axis electric cylinder are all provided with sensor assemblies, each sensor assembly comprises a first position sensor and a second position sensor, each first position sensor corresponds to the initial position of the corresponding three-axis moving mechanism, each second position sensor corresponds to the position of the corresponding wire locking station of the corresponding three-axis moving mechanism, when the tightening mechanism on the corresponding three-axis moving mechanism moves to the position 10mm above the placement seat, each second position sensor senses that the tightening mechanism moves to the wire locking station, the corresponding three-axis moving mechanism stops moving, the tightening mechanism starts to process subsequent wire locking work after being in place, and when the wire locking work is completed, the corresponding three-axis moving mechanism continues to move to the initial position. The movement accuracy of the three-axis moving mechanism can be ensured through the first position sensor and the second position sensor, and the overall working accuracy of the device is ensured.
Furthermore, the tightening mechanism is connected with the Z-axis moving mechanism through a vertically arranged Z-axis bottom plate, a vertically arranged slide rail is arranged on the Z-axis bottom plate, and the tightening assembly is connected with a slide block arranged on the slide rail; the flexible end of first cylinder passes through the fixed plate and screws up the subassembly and be connected.
As can be seen from the above description, the first cylinder is separately connected to the tightening assembly for driving the tightening assembly to perform the wire locking operation. The screwing component moves in the vertical direction along the sliding rail under the driving of the first air cylinder, when the three-axis moving mechanism drives the screwing component to move to the wire locking station, the screwdriver on the screwing component and the screw hole on the workpiece to be locked are coaxially arranged in the vertical direction, and at the moment, the screwing component moves in the vertical direction downwards under the driving of the first air cylinder and is in aligned contact with the screw hole on the workpiece to be locked to lock wires.
Furthermore, the tightening assembly comprises a screwdriver, a vacuum valve and a screw adsorption tube, one end of the screwdriver is provided with a rotating shaft, and the rotating shaft is connected with the screwdriver head; one end of the rotating shaft, which is close to the screwdriver head, is provided with an air pipe opening, the vacuum valve is arranged on the air pipe opening, and the air pipe opening is connected with the screw adsorption pipe; the screw adsorption tube is connected with the screw feeding mechanism.
As can be seen from the above description, one end of the screwdriver bit is provided with an air pipe opening, the vacuum valve is arranged on the air pipe opening, and the air pipe opening is connected with the screw adsorption pipe; the screw adsorption tube is connected with the nail feeding mechanism, nails are conveyed to the air pipe opening from the nail feeding mechanism through the adsorption tube through control of the vacuum valve, and automatic nail taking is achieved.
Furthermore, the tightening mechanism is further provided with an electromagnetic valve, and the electromagnetic valve is electrically connected with the first air cylinder, the vacuum valve and the Z-axis electric cylinder respectively.
As can be seen from the above description, the tightening mechanism is further provided with an electromagnetic valve, the electromagnetic valve is electrically connected to the first cylinder, the vacuum valve and the Z-axis electric cylinder, and meanwhile, the electromagnetic valve is further connected to an external control device, and the electromagnetic valve controls the movement of the first cylinder, the vacuum valve and the Z-axis electric cylinder.
Referring to fig. 1, a first embodiment of the present invention is: the utility model provides a triaxial screws up device in step, includes frame 1, sets up triaxial moving mechanism in the frame respectively, is used for loading the seat 2 and the mechanism 3 of screwing up of placing of treating the lock silk work piece.
The Y-axis horizontal direction of the rack is provided with a base, the three-axis moving mechanism is arranged on the upper end face of the base, and the three-axis moving mechanism is positioned above the placing seat. The three-axis moving mechanism comprises a Y-axis moving mechanism 4, an X-axis moving mechanism 5 and a Z-axis moving mechanism 6, the Y-axis moving mechanism is horizontally arranged on the base, the X-axis moving mechanism is horizontally arranged on the Y-axis moving mechanism and vertically arranged relative to the Y-axis moving mechanism, and the Z-axis moving mechanism is vertically arranged on the X-axis moving mechanism and vertically arranged relative to the X-axis moving mechanism.
Specifically, the Y-axis moving mechanism includes a Y-axis drag chain 41, a Y-axis drag chain plate, and a Y-axis electric cylinder 42, the X-axis moving mechanism includes an X-axis drag chain 51, an X-axis drag chain plate, and an X-axis electric cylinder 52, and the Z-axis moving mechanism includes a Z-axis electric cylinder 61. And a motor, a ball screw and a sliding seat are arranged in the Y-axis electric cylinder, the X-axis electric cylinder and the Z-axis electric cylinder, and the sliding seat is in transmission connection with the motor through the ball screw.
Be equipped with first slide in the Y axle electricity jar, Y axle electricity jar and Y axle drag the link joint all set up the up end at the base, and Y axle electricity jar is parallel and adjacent setting and fixed connection with Y axle drag link joint, and Y axle drag chain sliding connection is on Y axle drag the link joint, and the one end of Y axle drag chain is connected with X axle moving mechanism through first connecting plate, and the other end and the Y axle drag link joint of Y axle drag chain.
The X-axis electric cylinder is internally provided with a second sliding seat, the X-axis drag chain plate and the X-axis electric cylinder are arranged on the upper end face of the X-axis base plate, the X-axis drag chain plate and the X-axis electric cylinder are fixedly connected and arranged parallelly and adjacently, and the lower end face of the X-axis base plate is connected with the first sliding seat. The X-axis drag chain is connected to the X-axis drag chain plate in a sliding mode, one end of the X-axis drag chain is connected with the second sliding seat through the second connecting plate, and the other end of the X-axis drag chain is fixedly connected with the X-axis drag chain plate.
The Z-axis electric cylinder is connected with the second sliding seat through a Z-axis base plate, the second sliding seat is arranged in the Z-axis electric cylinder, the second sliding seat is connected with one end face of a Z-axis bottom plate 62 which is vertically arranged, and a screwing mechanism is arranged on the other end face of the Z-axis bottom plate. The tightening mechanism includes a first cylinder 31 and a tightening assembly 32. Specifically, a slide rail of vertical setting is equipped with to the terminal surface of Z axle bottom plate, the slide rail is linear slide rail, it is connected with the slider that sets up on the slide rail through the fixed plate to screw up the subassembly, the flexible end and the fixed plate of first cylinder are connected.
In this embodiment, the tightening assembly includes a screwdriver 321, a vacuum valve, and a screw suction tube, where one end of the screwdriver is provided with a rotating shaft 3211, one end of the rotating shaft is connected to the screwdriver head, and the other end of the rotating shaft is connected to the screwdriver body. An air pipe opening is formed in one end, close to the screwdriver head, of the rotating shaft, the vacuum valve is arranged on the air pipe opening, and the air pipe opening is connected with one end of the screw adsorption pipe; the other end of the screw adsorption tube is connected with an external screw feeding mechanism.
When the three-axis moving mechanism drives the screwing mechanism to move to a position 10cm above the placing seat, the screwing mechanism reaches the wire locking workpiece. At the moment, the first air cylinder drives the screwing component to move along the direction of the placing seat on the wire locking station, so that the screwdriver head is in contact with the screw hole in the workpiece to be locked, and the screwdriver is controlled to lock the wire after the screwdriver head is inserted into the screw hole in the workpiece to be locked.
In this embodiment, all be equipped with sensor assembly on Y axle electric jar, the electric jar of X axle and the electric jar of Z axle, sensor assembly includes first position sensor and second position sensor, first position sensor corresponds the initial position setting of triaxial moving mechanism, the position setting of the lock silk station that the second position sensor corresponds triaxial moving mechanism. When the screwing mechanism on the three-axis moving mechanism moves to a position 10mm above the placing seat, the second position sensor senses that the screwing mechanism moves to the wire locking station, and at the moment, the three-axis moving mechanism stops moving. And after the wire locking work is finished, the three-axis moving mechanism continues to move to the initial position. The movement accuracy of the three-axis moving mechanism can be ensured through the first position sensor and the second position sensor, and the overall working accuracy of the device is ensured.
In this embodiment, still be equipped with the solenoid valve on the tightening mechanism, the solenoid valve is connected with first cylinder, vacuum valve and Z axle electric cylinder electricity respectively and is used for controlling the tightening mechanism to carry out the lock silk work.
In this embodiment, still include be equipped with Y axle electric jar, X axle electric jar and Z axle electric jar, first cylinder and screw up the power supply system that the subassembly electricity is connected. The electromagnetic valve, the X-axis electric cylinder and the Y-axis electric cylinder are further connected with an external control device, and the control device is a PLC (programmable logic controller).
To sum up, the utility model provides a pair of triaxial is device of screwing up in step through setting up triaxial moving mechanism, and triaxial moving mechanism includes that Y axle moving mechanism, X axle moving mechanism and Z axle moving mechanism drive jointly and screws up mechanism's synchronous motion and realize the position adjustment, improves the lock silk efficiency of screwing up the mechanism, has improved the simple operation nature of whole device simultaneously. Y axle moving mechanism is connected with Y axle tow chain transmission, and X axle moving mechanism is connected with X axle tow chain transmission, can guarantee the calibration that triaxial moving mechanism removed in the horizontal direction, and the tow chain can play original paper such as pipeline in Y axle electric cylinder and the X axle electric cylinder and pull and the effect of protection.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (5)
1. A three-axis synchronous tightening device is characterized by comprising a rack, three-axis moving mechanisms, a placing seat and a tightening mechanism, wherein the three-axis moving mechanisms are respectively arranged on the rack; the three-axis moving mechanism is positioned above the placing seat; the three-axis moving mechanism comprises a Y-axis moving mechanism, an X-axis moving mechanism and a Z-axis moving mechanism;
the Y-axis moving mechanism is horizontally arranged on the rack, the X-axis moving mechanism is horizontally arranged on the Y-axis moving mechanism and is vertically arranged relative to the Y-axis moving mechanism, and the Z-axis moving mechanism is vertically arranged on the X-axis moving mechanism and is vertically arranged relative to the X-axis moving mechanism;
the Y-axis moving mechanism comprises a Y-axis drag chain, a Y-axis drag chain plate and a Y-axis electric cylinder, the Y-axis electric cylinder is provided with a first sliding seat connected with the telescopic end of the Y-axis electric cylinder, the Y-axis drag chain plate is fixedly connected with the Y-axis electric cylinder and arranged in parallel relative to the Y-axis electric cylinder, the Y-axis drag chain is connected to the Y-axis drag chain plate in a sliding manner, one end of the Y-axis drag chain is connected with the X-axis moving mechanism through a first connecting plate, and the other end of the Y-axis drag chain is connected with the Y-axis drag chain plate;
the X-axis moving mechanism is connected with the first sliding seat and comprises an X-axis drag chain, an X-axis drag chain plate and an X-axis electric cylinder, and the X-axis electric cylinder is provided with a second sliding seat connected with the telescopic end of the X-axis electric cylinder; the X-axis drag chain plate is fixedly connected with the X-axis electric cylinder and is arranged in parallel relative to the X-axis electric cylinder, the X-axis drag chain is connected to the X-axis drag chain plate in a sliding manner, one end of the X-axis drag chain is connected with the second sliding seat through a second connecting plate, and the other end of the X-axis drag chain is connected with the X-axis drag chain plate;
the Z-axis moving mechanism is connected with the second sliding seat, the tightening mechanism is arranged on the Z-axis moving mechanism and comprises a first air cylinder and a tightening assembly, and the driving end of the first air cylinder is in transmission connection with the tightening assembly; when the three-axis moving mechanism drives the screwing mechanism to move right above the placing seat, the first air cylinder drives the screwing assembly to contact with a workpiece to be locked.
2. The triaxial synchronous tightening device according to claim 1, wherein the Y-axis electric cylinder, the X-axis electric cylinder and the Z-axis electric cylinder are respectively provided with a sensor assembly, the sensor assembly comprises a first position sensor and a second position sensor, the first position sensor corresponds to an initial position setting of the triaxial moving mechanism, and the second position sensor corresponds to a position setting of a wire locking station of the triaxial moving mechanism.
3. The triaxial synchronous tightening device according to claim 1, wherein the tightening mechanism is connected to the Z-axis moving mechanism through a vertically arranged Z-axis base plate, a vertically arranged slide rail is arranged on the Z-axis base plate, and the tightening assembly is connected to a slide block arranged on the slide rail; the flexible end of first cylinder passes through the fixed plate and screws up the subassembly and be connected.
4. The triaxial synchronous tightening device according to claim 1, wherein the tightening assembly comprises a screwdriver, a vacuum valve and a screw adsorption tube, one end of the screwdriver is provided with a rotating shaft, and the rotating shaft is connected with a screwdriver bit; one end of the rotating shaft, which is close to the screwdriver head, is provided with an air pipe opening, the vacuum valve is arranged on the air pipe opening, and the air pipe opening is connected with the screw adsorption pipe; the screw adsorption tube is connected with the screw feeding mechanism.
5. The triaxial synchronous tightening device according to claim 4, wherein the tightening mechanism is further provided with an electromagnetic valve, and the electromagnetic valve is electrically connected with the first cylinder, the vacuum valve and the Z-axis electric cylinder respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023016590.7U CN213888976U (en) | 2020-12-14 | 2020-12-14 | Triaxial screws up device in step |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023016590.7U CN213888976U (en) | 2020-12-14 | 2020-12-14 | Triaxial screws up device in step |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213888976U true CN213888976U (en) | 2021-08-06 |
Family
ID=77103111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023016590.7U Active CN213888976U (en) | 2020-12-14 | 2020-12-14 | Triaxial screws up device in step |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213888976U (en) |
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2020
- 2020-12-14 CN CN202023016590.7U patent/CN213888976U/en active Active
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