CN220362594U - Mechanical claw capable of grabbing and screwing - Google Patents

Mechanical claw capable of grabbing and screwing Download PDF

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Publication number
CN220362594U
CN220362594U CN202321853909.2U CN202321853909U CN220362594U CN 220362594 U CN220362594 U CN 220362594U CN 202321853909 U CN202321853909 U CN 202321853909U CN 220362594 U CN220362594 U CN 220362594U
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CN
China
Prior art keywords
driving motor
work
supporting shaft
mounting base
screw rod
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Active
Application number
CN202321853909.2U
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Chinese (zh)
Inventor
杨超林
张亮亮
刘轩言
冯家俊
钱正春
葛英飞
陈哲
杨楠
史道晴
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Nanjing Institute of Technology
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Nanjing Institute of Technology
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Priority to CN202321853909.2U priority Critical patent/CN220362594U/en
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Abstract

The utility model discloses a gripper capable of grabbing and screwing in, which comprises a mounting base, a first driving motor, a side bracket, a square wrench, a second driving motor, a transmission part, a supporting shaft, a screw rod and a clamping part, wherein the first driving motor and the side bracket are arranged on the mounting base; the device is through the above-mentioned device that sets up and cooperation arm's use, and then can play the transport and place work to the work piece, and then make the work piece can be located three-jaw chuck, then through the square spanner that sets up, and then can make three-jaw chuck carry out centre gripping work to the work piece, and then avoid work in-process, the work piece breaks away from three-jaw chuck.

Description

Mechanical claw capable of grabbing and screwing
Technical Field
The utility model belongs to the technical field of mechanical claws, and particularly relates to a grabbing and screwing type mechanical claw.
Background
When the ball-disc type friction and wear testing machine and related lathe and other machines work, the test piece or the workpiece is required to be clamped and fixed by the three-jaw chuck, so that the test piece or the workpiece is required to be clamped stably by the three-jaw chuck in order to ensure the stability and the safety in the running process, and certain potential safety hazards caused by the fact that the three-jaw chuck is separated from a working area due to high-speed running are prevented, and therefore the running failure rate of the machine is reduced.
However, in the process of clamping a test piece and loading and unloading a lathe by a traditional testing machine, a three-jaw chuck is usually screwed down and fixed or unscrewed by a manual rotation mode, the mode is often limited by the magnitude of manually applied force, and the probability of misoperation caused by the collision injury due to slipping is very high; most of the current common three-jaw chucks are characterized in that a wrench is manually inserted into a side face square hole to rotate an internal bevel pinion, so that rotation of a dish-shaped gear is realized, and a plane thread on the back drives three jaws to approach or withdraw from the center at the same time, so that workpieces with different diameters are clamped; the manual screwing or unscrewing of the chuck is difficult, the applied force is inconvenient to control, the tool is easy to slip from the chuck, the operation under some working conditions is inconvenient, and the probability of accidental injury is further easy to improve.
Therefore, how to enable the gripper to complete gripping and screwing on the three-jaw chuck is a problem to be solved at present.
Disclosure of Invention
The utility model aims to: a gripper capable of gripping and screwing is provided to solve the above problems in the prior art.
The technical scheme is as follows: a graspable precession type gripper comprising:
the device comprises a mounting base, a first driving motor, a side bracket, a square wrench, a second driving motor, a transmission part, a supporting shaft, a screw rod and a clamping part, wherein the first driving motor and the side bracket are arranged on the mounting base;
the clamping part is connected with the mounting base;
the supporting shaft and the screw rod are hollow structures and are respectively sleeved on the output shaft of the first driving motor.
In a further embodiment, the axes of the support shaft, the screw rod and the output shaft of the first drive motor are coincident;
the free end of the output shaft of the first driving motor penetrates through the mounting base;
the supporting shaft and the output shaft of the first driving motor are mutually independent and do not interfere with each other.
In a further embodiment, the transmission comprises two intermeshing bevel gears;
one bevel gear is arranged at the output end of the second driving motor, and the other bevel gear is sleeved on the supporting shaft.
In a further embodiment, a bearing is further provided on the mounting base, and the bearing is connected with the support shaft.
In a further embodiment, the clamping part comprises a screw base in screw connection with the screw rod, four pins uniformly arranged on the screw base, a main hinge block sleeved on the pins, a transmission piece movably connected with the other end of the main hinge block, and a claw clamp connected with the transmission piece;
the transmission piece is connected with the fixed block.
In a further embodiment, the connector comprises a first hinge rod and a second hinge rod;
the other end of the main hinge block is movably connected with the second hinge rod.
The beneficial effects are that: the utility model relates to a gripper capable of grabbing and screwing in, which aims to enable the gripper to complete grabbing and screwing on a three-jaw chuck; this device is installed and is used on the arm, at the during operation, the mounting base installs on the arm, the position of gripper can be adjusted through the arm that sets up, and at the in-process that snatchs, second driving motor begins the work, and then can make two bevel gears move, and then can drive the back shaft and rotate, and then the back shaft of motion can drive the lead screw and rotate, because articulated seat and lead screw spiro union, and then can drive articulated seat and move in lead screw axis direction, and then can drive the owner and articulate the piece and move, and then can drive the driving medium and move, thereby make the jaw clamp be in the state of tightening up or opening, and then can accomplish the centre gripping fixed and the work of work to the work piece, and simultaneously after placing the work piece on three jaw chuck, first driving motor and arm begin the motion this moment, and then can make the square spanner insert in the three jaw chuck side four square holes and rotate, and then can drive its inside bevel pinion and rotate, then the plane at the back of three is close to or withdraw from to the center, and then can drive the diameter simultaneously, press from both sides the device and then can be used for setting up the work piece through the jaw clamp, and then can be used for setting up the work chuck and further work to the work piece, and can be put into the work chuck through the jaw, and then can be used for setting up to the work chuck.
Drawings
Fig. 1 is a perspective view of the present utility model.
FIG. 2 is a schematic diagram of the present utility model.
Fig. 3 is a schematic view of a support shaft according to the present utility model.
The reference numerals in the drawings are as follows: the device comprises a mounting base 1, a side bracket 3, a first driving motor 4, a bevel gear 5, a second driving motor 6, a supporting shaft 7, a first hinging rod 9, a second hinging rod 10, a fixed block 11, a claw clamp 13, a hinging seat 14, a screw rod 15, a square wrench 16, a main hinging block 17, a pin 18 and a bearing 19.
Detailed Description
Through research and analysis of the applicant, the problem (the tool is easy to slip from the chuck, is inconvenient for operation under some working conditions, and is easy to improve the probability of accidental injury, and manual screwing or unscrewing of the chuck is difficult to avoid being very hard) is caused by the fact that in the process of clamping a test piece by a traditional testing machine and loading and unloading by a lathe, the test piece is usually screwed down and fixed or unscrewed by adopting a manual rotation three-jaw chuck, the mode is often dependent on the magnitude of manually applied force, and the probability of misoperation caused by the slip is very high; most of the current common three-jaw chucks are characterized in that a wrench is manually inserted into a side face square hole to rotate an internal bevel pinion, so that rotation of a dish-shaped gear is realized, and a plane thread on the back drives three jaws to approach or withdraw from the center at the same time, so that workpieces with different diameters are clamped; the manual screwing or unscrewing of the chuck is difficult, the applied force is inconvenient to control, the tool is easy to slip from the chuck, the operation under some working conditions is inconvenient, and the probability of accidental injury is easy to improve; this device is installed and is used on the arm, at the during operation, the mounting base installs on the arm, the position of gripper can be adjusted through the arm that sets up, and at the in-process that snatchs, second driving motor begins the work, and then can make two bevel gears move, and then can drive the back shaft and rotate, and then the back shaft of motion can drive the lead screw and rotate, because articulated seat and lead screw spiro union, and then can drive articulated seat and move in lead screw axis direction, and then can drive the owner and articulate the piece and move, and then can drive the driving medium and move, thereby make the jaw clamp be in the state of tightening up or opening, and then can accomplish the centre gripping fixed and the work of work to the work piece, and simultaneously after placing the work piece on three jaw chuck, first driving motor and arm begin the motion this moment, and then can make the square spanner insert in the three jaw chuck side four square holes and rotate, and then can drive its inside bevel pinion and rotate, then the plane at the back of three is close to or withdraw from to the center, and then can drive the diameter simultaneously, press from both sides the device and then can be used for setting up the work piece through the jaw clamp, and then can be used for setting up the work chuck and further work to the work piece, and can be put into the work chuck through the jaw, and then can be used for setting up to the work chuck.
A graspable precession type gripper comprising: the device comprises a mounting base 1, a side bracket 3, a first driving motor 4, a bevel gear 5, a second driving motor 6, a supporting shaft 7, a first hinging rod 9, a second hinging rod 10, a fixed block 11, a claw clamp 13, a hinging seat 14, a screw rod 15, a square wrench 16, a main hinging block 17, a pin 18 and a bearing 19.
The device comprises a mounting base 1, a first driving motor 4 and a side bracket 3 which are arranged on the mounting base 1, a square wrench which is detachably arranged at the end part of an output shaft of the first driving motor 4, a second driving motor 6 which is fixedly arranged on the side bracket 3, a transmission part which is connected with the output end of the second driving motor 6, a supporting shaft 7 which is respectively connected with the transmission part and the mounting base 1, a screw rod 15 which is connected with the supporting shaft 7, and a clamping part which is sleeved on the screw rod 15; the clamping part is connected with the mounting base 1; the supporting shaft 7 and the screw rod 15 are hollow structures and are respectively sleeved on the output shaft of the first driving motor 4; after placing the work piece on three-jaw chuck, first driving motor 4 and arm begin the motion this moment, and then can make square spanner 16 insert three-jaw chuck side four square hole in and rotate, and then can drive its inside bevel pinion and rotate, realize dish gear rotation, then the plane screw thread at three jaw clamp 13 jaw back drives three jaw simultaneously and is close to or withdraw from to the center for press from both sides the work piece of different diameters, and then the above-mentioned device through setting up and the use of cooperation arm, and then can play the transport and place work to the work piece, and then make the work piece can be located three-jaw chuck, then through square spanner 16 of setting up, and then can make three-jaw chuck carry out centre gripping work to the work piece, and then avoid work in-process, the work piece breaks away from three-jaw chuck.
The axes of the supporting shaft 7, the screw rod 15 and the output shaft of the first driving motor 4 are overlapped; the supporting shaft 7 and the output shaft of the first driving motor 4 are not interfered with each other and are mutually independent; because the output shaft of the first driving motor 4 sequentially penetrates through the supporting shaft 7 and the screw rod 15 and does not contact the supporting shaft 7 with the screw rod 15, the clamping process and the screwing process are not interfered with each other, and the two processes can not only run independently but also run simultaneously.
The transmission part comprises two bevel gears 5 meshed with each other; one bevel gear 5 is arranged at the output end of the second driving motor 6, and the other bevel gear 5 is sleeved on the supporting shaft 7; through the two bevel gears 5, the supporting shaft 7 can be further rotated, so that the hinge seat 14 moves along the length direction of the screw rod 15, and the claw clamp 13 is used for clamping a workpiece.
The mounting base 1 is further provided with a bearing 19, the bearing 19 is connected with the supporting shaft 7, and the supporting limiting work of the supporting shaft 7 can be achieved through the arranged bearing 19, so that the normal work of the mounting base is guaranteed.
The clamping part comprises a screw base which is in screw connection with the screw rod 15, four pins 18 which are uniformly arranged on the screw base, a main hinge block 17 which is sleeved on the pins 18, a transmission piece which is movably connected with the other end of the main hinge block 17, and a claw clip 13 which is connected with the transmission piece; the transmission piece is connected with the fixed block 11; the connecting piece comprises a first hinging rod 9 and a second hinging rod 10; the other end of the main hinge block 17 is movably connected with the second hinge rod 10; during operation, the mounting base 1 is mounted on the mechanical arm, the position of the mechanical claw can be adjusted through the mechanical arm, and the second driving motor 6 starts to work in the grabbing process, and then two bevel gears 5 can be enabled to move, and then the supporting shaft 7 can be driven to rotate, and then the moving supporting shaft 7 can drive the screw rod 15 to rotate, and because the hinging seat 14 is in threaded connection with the screw rod 15, and then the hinging seat 14 can be driven to move on the axis direction of the screw rod 15, and then the main hinging block 17 can be driven to move, and then the second hinging rod 10 movably connected with the main hinging block 17 can be driven to start to move, and as the second hinging rod 10 and the first hinging rod 9 are hinged with the fixed block 11 respectively, the claw clamp 13 can be enabled to be in a tightening or opening state, and then the workpiece clamping, fixing and placing work can be completed.
Description of working principle: this device is at the during operation, mounting base 1 installs on the arm, can adjust the position of gripper through the arm that sets up, and at the in-process that snatchs, second driving motor 6 begins the work, and then can make two bevel gears 5 move, and then can drive back shaft 7 and rotate, and then the back shaft 7 of motion can drive lead screw 15 and rotate, because articulated seat 14 and lead screw 15 spiro union, and then can drive articulated seat 14 and move on lead screw 15 axis direction, and then can drive main hinged block 17 and move, and then can drive the driving medium and move, thereby make jaw 13 be in tighten up or open state, and then can accomplish the centre gripping fixed to the work piece and place work, and simultaneously after placing the work piece on the three jaw chuck, then jaw 13 opens, and then make square spanner 16 spill, and then first driving motor 4 and arm begin to move, and then can make square spanner 16 insert in the square hole of three jaw chuck side and rotate, and then can drive its inside bevel pinion and rotate, and then can drive the dish-shaped gear and rotate, then three jaw 13 plane simultaneously is close to or withdraw from three jaws to the centre gripping device that is located the work piece, and then can be in the same position as the three jaw chuck, and then can be used for setting up the diameter to be in the work chuck, and the work piece is placed to the work piece, and then can be located to the work chuck.
As described above, although the present utility model has been shown and described with reference to certain preferred embodiments, it is not to be construed as limiting the utility model itself. Various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (6)

1. A graspable precession type gripper, comprising:
the device comprises a mounting base, a first driving motor, a side bracket, a square wrench, a second driving motor, a transmission part, a supporting shaft, a screw rod and a clamping part, wherein the first driving motor and the side bracket are arranged on the mounting base;
the clamping part is connected with the mounting base;
the supporting shaft and the screw rod are hollow structures and are respectively sleeved on the output shaft of the first driving motor.
2. A gripper according to claim 1, wherein: the axes of the supporting shaft, the screw rod and the output shaft of the first driving motor are overlapped;
the supporting shaft and the output shaft of the first driving motor are mutually independent and do not interfere with each other.
3. A gripper according to claim 1, wherein: the transmission part comprises two bevel gears which are meshed with each other;
one bevel gear is arranged at the output end of the second driving motor, and the other bevel gear is sleeved on the supporting shaft.
4. A gripper according to claim 2, wherein: the mounting base is also provided with a bearing, and the bearing is connected with the supporting shaft.
5. A gripper according to claim 1, wherein: the clamping part comprises a screw base which is in screw connection with the screw rod, four pins which are uniformly arranged on the screw base, a main hinge block sleeved on the pins, a transmission piece which is movably connected with the other end of the main hinge block, and a claw clamp which is connected with the transmission piece;
the transmission piece is connected with the fixed block.
6. A gripper according to claim 5, wherein: the transmission piece comprises a first hinging rod and a second hinging rod;
the other end of the main hinge block is movably connected with the second hinge rod.
CN202321853909.2U 2023-07-14 2023-07-14 Mechanical claw capable of grabbing and screwing Active CN220362594U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321853909.2U CN220362594U (en) 2023-07-14 2023-07-14 Mechanical claw capable of grabbing and screwing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321853909.2U CN220362594U (en) 2023-07-14 2023-07-14 Mechanical claw capable of grabbing and screwing

Publications (1)

Publication Number Publication Date
CN220362594U true CN220362594U (en) 2024-01-19

Family

ID=89520647

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321853909.2U Active CN220362594U (en) 2023-07-14 2023-07-14 Mechanical claw capable of grabbing and screwing

Country Status (1)

Country Link
CN (1) CN220362594U (en)

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