CN114248103A - Automatic nut conveying and tightening device with set torque - Google Patents
Automatic nut conveying and tightening device with set torque Download PDFInfo
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- CN114248103A CN114248103A CN202111655616.9A CN202111655616A CN114248103A CN 114248103 A CN114248103 A CN 114248103A CN 202111655616 A CN202111655616 A CN 202111655616A CN 114248103 A CN114248103 A CN 114248103A
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- 230000007246 mechanism Effects 0.000 claims abstract description 119
- 230000009471 action Effects 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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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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- 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
- B23P19/001—Article feeders for assembling machines
- B23P19/004—Feeding the articles from hoppers to machines or dispensers
- B23P19/005—Feeding the articles from hoppers to machines or dispensers by using flowing gases
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Abstract
The invention discloses a device for automatically conveying nuts and tightening the nuts with set torque, which comprises a product fixing tool mechanism, a screw tightening mechanism, an automatic screw feeding mechanism and a controller, wherein the screw tightening mechanism is arranged on the product fixing tool mechanism; the product fixing tool mechanism comprises a workbench for placing an object to be processed; a servo control travelling mechanism is arranged above the product fixing tool mechanism corresponding to the workbench, the screw tightening mechanism is fixed on the servo control travelling mechanism, and the servo control travelling mechanism can move along the X axis, the Y axis and the Z axis; a screw outlet of the automatic screw feeding mechanism is connected with the screw tightening mechanism through a screw feeding pipe, and screws are conveyed to the screw tightening mechanism through the screw feeding pipe; the screw tightening mechanism, the screw automatic feeding mechanism and the servo control travelling mechanism are all connected with the controller. The invention has simple structure, improves the installation efficiency of the bolt of the air bag frame, saves the operation of picking up the nut manually and simultaneously saves the operation of tightening the nut by manually holding a torque gun, saves time and labor and has high installation efficiency.
Description
Technical Field
The invention relates to the technical field of automobile instrument panel manufacturing, in particular to a device for automatically conveying nuts and tightening the nuts with set torque.
Background
In the motormeter field of making, often need carry out the mounting screw to the gasbag frame of instrument board copilot side, traditional gasbag frame screw is completely by artifical installation, and the manual work is picked up the nut and is twisted on the screw, then handheld moment of torsion rifle carries out the screw tightening, and the final screwing up of picking up from the nut is accomplished by the manual work completely, wastes time and energy, and packaging efficiency is low, unsatisfied quick preparation production's requirement.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a device for automatically conveying nuts and tightening the nuts with set torque.
The invention discloses a device for automatically conveying nuts and tightening the nuts with set torque, which comprises a product fixing tool mechanism, a screw tightening mechanism, an automatic screw feeding mechanism and a controller, wherein the screw tightening mechanism is arranged on the product fixing tool mechanism;
the product fixing tool mechanism comprises a workbench for placing an object to be processed;
the product fixing tool mechanism is provided with a servo control travelling mechanism corresponding to the upper part of the workbench, the screw tightening mechanism is fixed on the servo control travelling mechanism, and the servo control travelling mechanism can move along three directions of an X axis, a Y axis and a Z axis;
a screw outlet of the automatic screw feeding mechanism is connected with the screw tightening mechanism through a screw feeding pipe, and screws are conveyed to the screw tightening mechanism through the screw feeding pipe;
the screw tightening mechanism, the screw automatic feeding mechanism and the servo control travelling mechanism are all connected with the controller.
As a further improvement of the invention, the product fixing tool mechanism further comprises a rack, the workbench is arranged in the middle of the rack, and a top frame for fixing the servo control travelling mechanism is arranged at the upper part of the rack.
As a further improvement of the invention, a rotatable tool clamp for clamping the object to be processed is arranged on the workbench;
the rotatable tool clamp comprises a clamp body and a driving motor, wherein two ends of the clamp body are hinged to stand columns on two sides of the workbench;
the driving motor drives the clamp body to rotate through the gear.
As a further improvement of the invention, the screw tightening mechanism comprises a torque gun and a guide sleeve, the upper end of the torque gun is connected with the servo control travelling mechanism, the lower end of the torque gun is sleeved with the guide sleeve, and the bottom of the guide sleeve is provided with a connector;
a connector connected with the nail feeding pipe is arranged on the connector, and the outlet of the connector is of a clamping jaw type or ball valve type structure; the outlet of the connector of the clamping jaw type or ball valve type structure is used for preventing the screw from falling off before being screwed into the object to be processed;
the torque gun is also electrically connected with the controller, and the controller controls the torque gun to start and stop;
and screws are conveyed into the connector from the screw automatic feeding mechanism through the screw conveying pipe and are arranged below the bits of the torque gun, and the screws are screwed into the object to be processed through the torque gun.
As a further improvement of the invention, the servo control walking mechanism comprises an X-axis arm, a Y-axis arm, a Z-axis arm, an X-axis linear motor, a Y-axis linear motor and a Z-axis linear motor;
the screw tightening mechanism is arranged on the Z-axis arm in a way that the screw tightening mechanism can be lifted up and down through the Z-axis linear motor; the Z-axis arm can be installed on the X-axis arm in a left-right sliding mode through the X-axis linear motor; the X-axis arm can be arranged on the Y-axis arm in a front-back sliding mode through the Y-axis linear motor;
the X-axis linear motor, the Y-axis linear motor and the Z-axis linear motor are all electrically connected with the controller, and the controller controls the X-axis linear motor, the Y-axis linear motor and the Z-axis linear motor to start and stop.
As a further improvement of the invention, the servo control walking mechanism comprises a six-axis robot, and the screw tightening mechanism is installed at the end part of the six-axis robot;
the six-axis robot is fixedly arranged on a frame beam of the product fixing tool mechanism;
the six-axis robot is electrically connected with the controller, and the six-axis robot is controlled to move in different directions by the controller.
As a further improvement of the invention, the automatic screw feeding mechanism comprises a vibration disc and a screw separator;
the outlet of the vibration disc is connected with the screw separator, the lower end of the screw separator is connected with one end of the screw feeding pipe, and the other end of the screw feeding pipe is connected with the screw tightening mechanism.
As a further improvement of the invention, the vibration disc and the screw separator are electrically connected with a controller, and the controller is used for controlling the running time, the nail blowing action delay time, the beat interval delay time and the torque rush running time of the vibration disc and the screw separator;
the controller is also connected with a display screen and a keyboard, and the keyboard and the display screen are used for parameter setting;
when the vibration disc is empty, the display screen displays the character of 'please fill the raw materials';
when the vibration plate is empty, the display screen displays 'please fill the raw material'.
As a further improvement of the invention, the nail feeding pipe is connected with a vacuum device which keeps the nail feeding pipe in vacuum;
the vacuum device comprises one of a vacuum generator and a vacuum pump; the vacuum generator or the vacuum pump is connected with the controller, and the controller is used for controlling the vacuum generator or the vacuum pump to start and stop;
the vacuum generator or the vacuum pump is communicated with the side wall of the screw conveying pipe through an air pipe, and a vacuum negative pressure state is formed in the screw conveying pipe through the vacuum generator or the vacuum pump, so that the screw of the automatic screw feeding mechanism is vacuum-adsorbed and picked up.
As a further improvement of the invention, the nail feeding pipe is connected with an air pump, the air pump is communicated with the side wall of the nail feeding pipe through an air pipe, air is blown into the nail feeding pipe, and screws in the nail feeding pipe are blown to a screw tightening mechanism through the air pump;
the air pipe is also provided with an electromagnetic valve for controlling the on-off of the air passage, the electromagnetic valve is electrically connected with the controller, and the controller controls the electromagnetic valve to be opened or closed.
Compared with the prior art, the invention has the beneficial effects that:
the automatic screw-tightening device is simple in structure, and by arranging the screw-tightening mechanism, the automatic screw-feeding mechanism and the controller, the mounting efficiency of the screws of the air bag frame is improved, the operation of manually picking up the nuts is omitted, the operation of manually holding a torque gun to tighten the nuts is also omitted, time and labor are saved, and the mounting efficiency is high.
The controller is arranged, so that the setting of the running time of the vibration disc and the screw separator, the nail blowing action delay time, the beat interval delay time and the torque rush running time can be realized, and the processing requirements of different generations of processed objects can be conveniently met.
Drawings
FIG. 1 is a schematic structural view of an automatic nut feeding and tightening device with a set torque according to the present disclosure;
FIG. 2 is a schematic view of the connection of a torque gun, a guide sleeve, a connector and a nail feeding pipe of the device for automatically conveying nuts and tightening with a set torque according to the present invention;
FIG. 3 is a cross-sectional view of a jaw-type connector outlet configuration for an automatic nut feeding and tightening device with a set torque according to the present disclosure;
fig. 4 is a cross-sectional view of the outlet structure of the ball valve type connector of the automatic nut feeding and tightening device with a set torque according to the present invention.
In the figure:
1. a servo-controlled traveling mechanism; 11. an X-axis linear motor; 12. a Y-axis linear motor; 13. a Z-axis linear motor; 2. a screw tightening mechanism; 21. torque robbery; 3. an automatic screw feeding mechanism; 31. a vibrating pan; 32. a screw separator; 4. a vacuum pump; 5. a controller; 6. a display screen; 7. a keyboard; 8. a guide sleeve; 9. a connector; 10. a nail feeding pipe; 11. and (4) screws.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The invention is described in further detail below with reference to the attached drawing figures:
the invention discloses a device for automatically conveying nuts and tightening the nuts with set torque, which comprises a product fixing tool mechanism, a screw tightening mechanism 2, an automatic screw feeding mechanism 3 and a controller 5, wherein the product fixing tool mechanism is used for fixing a screw; the product fixing tool mechanism comprises a workbench for placing an object to be processed; a servo control travelling mechanism 1 is arranged above the product fixing tool mechanism corresponding to the workbench, a screw tightening mechanism 2 is fixed on the servo control travelling mechanism 1, and the servo control travelling mechanism 1 can move along the X axis, the Y axis and the Z axis; a screw outlet of the automatic screw feeding mechanism 3 is connected with the screw tightening mechanism 2 through a screw feeding pipe 10, and screws 11 are conveyed to the screw tightening mechanism 2 through the screw feeding pipe 10; the screw tightening mechanism 2, the screw automatic feeding mechanism 3 and the servo control travelling mechanism 1 are all connected with a controller 5.
The automatic screw-tightening device is simple in structure, and by arranging the screw-tightening mechanism 2, the automatic screw-feeding mechanism 3 and the controller 5, the mounting efficiency of the screws 11 of the air bag frame is improved, the operation of manually picking up the nuts is omitted, the operation of manually holding a torque gun to tighten the nuts is also omitted, time and labor are saved, and the mounting efficiency is high.
Specifically, the method comprises the following steps:
the product fixing tool mechanism also comprises a rack, wherein a workbench is arranged in the middle of the rack, and a top frame for fixing the servo control walking mechanism is arranged at the upper part of the rack; a rotatable tool clamp for clamping an object to be processed is arranged on the workbench; the rotatable tool clamp comprises a clamp body and a driving motor, wherein two ends of the clamp body are hinged to stand columns on two sides of the workbench; the driving motor drives the clamp body to rotate through the gear.
When actually processing, as required processing product shape, preparation profile modeling module uses pneumatic fixture to fix it on rotatable frock clamp, is equipped with dress position and nailing position on the rotatable frock clamp. The nailing position is that the workpiece and the torque gun are in a vertical state. The torque gun 21 is installed on the servo control travelling mechanism 1, and the servo control travelling mechanism 1 is installed on the product fixing tool mechanism.
Further, the screw tightening mechanism 2 comprises a torque gun 21 and a guide sleeve 8, the upper end of the torque gun 21 is connected with the servo control travelling mechanism 1, the lower end of the torque gun is sleeved with the guide sleeve 8, and the bottom of the guide sleeve 8 is provided with a connector 9; a connector 9 is provided with a connecting port connected with the nail feeding pipe 10, and the outlet of the connector 9 is of a clamping jaw type or ball valve type structure; the outlet of the connector in a jaw or ball valve type configuration is used to prevent the screw 11 from falling off before being screwed into the part to be machined; the torque gun 21 is also electrically connected with a controller, and the controller controls the torque gun 21 to start and stop; the invention can also add a screw in-place sensor in the connector 9 to detect whether the screw is in the connector 9.
In actual operation, the screw 11 is conveyed from the screw automatic feeding mechanism 3 into the connector 9 through the screw feeding pipe 10 and is placed under the bit of the torque gun 21, and the screw 11 is screwed into the object to be processed by the torque gun 21.
Further, the servo control traveling mechanism 1 of the invention comprises an X-axis arm, a Y-axis arm, a Z-axis arm, an X-axis linear motor 11, a Y-axis linear motor 12 and a Z-axis linear motor 13; the screw tightening mechanism 2 is arranged on the Z-axis arm in a way of being capable of ascending and descending up and down through a Z-axis linear motor 13; the Z-axis arm can be arranged on the X-axis arm in a left-right sliding mode through an X-axis linear motor 11; the X-axis arm can be arranged on the Y-axis arm in a front-back sliding mode through a Y linear motor 12; the X-axis linear motor 11, the Y-axis linear motor 12 and the Z-axis linear motor 13 are all electrically connected with the controller 5, and the controller 5 controls the X-axis linear motor 11, the Y-axis linear motor 12 and the Z-axis linear motor 13 to start and stop.
Furthermore, the servo control walking mechanism 1 comprises a six-axis robot, wherein a screw tightening mechanism 2 is arranged at the end part of the six-axis robot; the six-axis robot is fixedly arranged on a frame beam of the product fixing tool mechanism; the six-axis robot is electrically connected with the controller 5, and the controller 5 controls the six-axis robot to move in different directions.
Further, the screw automatic feeding mechanism 3 of the present invention includes a vibration plate 31 and a screw separator 32; the outlet of the vibration disc 31 is connected with a screw separator 32, the lower end of the screw separator 32 is connected with one end of the screw feeding pipe 10, and the other end of the screw feeding pipe 10 is connected with the screw tightening mechanism 2. The vibration disc 31 and the screw separator 32 are electrically connected with the controller 5, and the controller 5 is used for controlling the running time, the nail blowing action delay time, the beat interval delay time and the torque rush running time of the vibration disc 31 and the screw separator 32; the controller 5 is also electrically connected with a display screen 6 and a keyboard 7, and the display screen 6 and the keyboard 7 are used for parameter setting; when the vibration plate 31 is left empty, the display screen 6 displays the word "please fill the material".
Further, the nail feeding pipe 10 of the present invention is connected with a vacuum device for keeping the nail feeding pipe 10 vacuum; the vacuum means comprises one of a vacuum generator and a vacuum pump 4; the vacuum generator or vacuum pump 4 is connected with the controller 5, and the controller 5 is used for controlling the starting and stopping of the vacuum generator or vacuum pump 4; the vacuum generator or the vacuum pump 4 is communicated with the side wall of the screw conveying pipe 10 through an air pipe, and a vacuum negative pressure state is formed in the screw conveying pipe 10 through the vacuum generator or the vacuum pump 4, so that the vacuum adsorption and pickup of the screw 11 of the automatic screw feeding mechanism are completed; the vacuum apparatus in the present invention is preferably a vacuum pump 4.
Further, the nail feeding pipe 10 is connected with an air pump, the air pump is communicated with the side wall of the nail feeding pipe 10 through an air pipe and blows air into the nail feeding pipe 10, and the screws 11 in the nail feeding pipe 10 are blown to the screw tightening mechanism 2 through the air pump; the air pipe is also provided with an electromagnetic valve for controlling the on-off of the air passage, the electromagnetic valve is electrically connected with the controller, and the controller controls the opening or closing of the electromagnetic valve.
Further, the present invention can easily and conveniently change necessary machine parameters through the display 6 and the keyboard 7. The minimum values of the operating time of the vibrating disk 31, the time delay of the nail blowing action, the time delay of the beat interval and the torque rush operating time can be changed on a well-defined text display menu by an operator. At the same time, soft start can be selected, and the system can automatically calculate the optimal acceleration of the machine operation according to the weight of the raw materials in the feeding disc in the vibrating disc 31. The customer may also choose to have additional sensors available for diagnostic functions. The troubleshooting information may be displayed in the form of text using a variety of languages. The sensors in the invention can be workpiece detection sensors, vacuum pressure sensors, screw in-place sensors and the like, and the workpiece detection sensors, the vacuum pressure sensors and the screw in-place sensors are all connected with the input end of the controller, and the controller 5 in the invention is preferably a PLC.
The working method of the invention comprises the following steps:
1. manufacturing a profiling module according to the shape of a product to be processed, and fixing the profiling module on a rotatable tool clamp by using a pneumatic clamp;
2. the minimum values of the operation time, the nail blowing action delay, the beat interval delay and the torque rush operation time of the vibration disc 31 are set through the display screen 6 and the keyboard 7 according to the processing requirements of the objects to be processed;
3. the PLC is used for controlling the X-axis linear motor 11, the Y-axis linear motor 12 and the Z-axis linear motor 13 to act, and further moving the torque gun 21 to the position above the rotatable tool clamp;
4. rotating the rotatable tool clamp to enable the screw hole of the object to be machined to correspond to the position of the torque batch grabbing head;
5. the vibration disc 31, the screw separator 32 and the vacuum pump 4 are controlled to be started through the PLC, and then the screws 11 separated by the screw separator 32 are conveyed into the connector 9 through the screw conveying pipe 10 and are arranged right below the bit of the torque gun 21;
6. the PLC controls the torque gun 21 to rotate by setting torque according to the screw in-place sensor signal, and then screws the screw 11 into the object to be machined.
Further, in order to meet the requirement that the torque is applied to the moving process, the nail feeding pipe 10 and the connector 9 are always in a connected state, the nail feeding pipe 10 is provided with a certain redundancy, and the length of the nail feeding pipe 10 is preferably 2 meters of the standard nail feeding pipe 10.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A device for automatically conveying nuts and tightening the nuts with set torque is characterized by comprising a product fixing tool mechanism, a screw tightening mechanism, an automatic screw feeding mechanism and a controller;
the product fixing tool mechanism comprises a workbench for placing an object to be processed;
the product fixing tool mechanism is provided with a servo control travelling mechanism corresponding to the upper part of the workbench, the screw tightening mechanism is fixed on the servo control travelling mechanism, and the servo control travelling mechanism can move along three directions of an X axis, a Y axis and a Z axis;
a screw outlet of the automatic screw feeding mechanism is connected with the screw tightening mechanism through a screw feeding pipe, and screws are conveyed to the screw tightening mechanism through the screw feeding pipe;
the screw tightening mechanism, the screw automatic feeding mechanism and the servo control travelling mechanism are all connected with the controller.
2. The device for automatically conveying nuts and tightening with set torque according to claim 1, wherein the product fixing tool mechanism further comprises a frame, the workbench is arranged in the middle of the frame, and a top frame for fixing the servo control travelling mechanism is arranged at the upper part of the frame.
3. The device for automatically conveying nuts and tightening with set torque according to any one of claims 1-2, wherein a rotatable tool clamp for clamping the object to be machined is mounted on the workbench;
the rotatable tool clamp comprises a clamp body and a driving motor, wherein two ends of the clamp body are hinged to stand columns on two sides of the workbench;
the driving motor drives the clamp body to rotate through the gear.
4. The device for automatically conveying the nut and tightening the nut with the set torque as claimed in claim 1, wherein the screw tightening mechanism comprises a torque gun and a guide sleeve, the upper end of the torque gun is connected with the servo control travelling mechanism, the lower end of the torque gun is sleeved with the guide sleeve, and a connector is arranged at the bottom of the guide sleeve;
a connector connected with the nail feeding pipe is arranged on the connector, and the outlet of the connector is of a clamping jaw type or ball valve type structure; the outlet of the connector of the clamping jaw type or ball valve type structure is used for preventing the screw from falling off before being screwed into the object to be processed;
the torque gun is also electrically connected with the controller, and the controller controls the torque gun to start and stop;
and screws are conveyed into the connector from the screw automatic feeding mechanism through the screw conveying pipe and are arranged below the bits of the torque gun, and the screws are screwed into the object to be processed through the torque gun.
5. The device for automatically conveying nuts and tightening with set torque according to claim 1, wherein the servo-controlled traveling mechanism comprises an X-axis arm, a Y-axis arm, a Z-axis arm, an X-axis linear motor, a Y-axis linear motor and a Z-axis linear motor;
the screw tightening mechanism is arranged on the Z-axis arm in a way that the screw tightening mechanism can be lifted up and down through the Z-axis linear motor; the Z-axis arm can be installed on the X-axis arm in a left-right sliding mode through the X-axis linear motor; the X-axis arm can be arranged on the Y-axis arm in a front-back sliding mode through the Y-axis linear motor;
the X-axis linear motor, the Y-axis linear motor and the Z-axis linear motor are all electrically connected with the controller, and the controller controls the X-axis linear motor, the Y-axis linear motor and the Z-axis linear motor to start and stop.
6. The device for automatically conveying nuts and tightening with set torque according to claim 1, wherein the servo-controlled traveling mechanism comprises a six-axis robot, and the screw tightening mechanism is mounted at the end of the six-axis robot;
the six-axis robot is fixedly arranged on a frame beam of the product fixing tool mechanism;
the six-axis robot is electrically connected with the controller, and the six-axis robot is controlled to move in different directions by the controller.
7. The apparatus for automatically feeding nuts and tightening them with a set torque according to claim 1, wherein said screw automatic feeding mechanism comprises a vibrating disk and a screw separator;
the outlet of the vibration disc is connected with the screw separator, the lower end of the screw separator is connected with one end of the screw feeding pipe, and the other end of the screw feeding pipe is connected with the screw tightening mechanism.
8. The device for automatically conveying nuts and tightening with set torque according to claim 7, wherein the vibration disc and the screw separator are electrically connected with a controller, and the controller is used for controlling the running time of the vibration disc and the screw separator, the screw blowing action delay time, the beat interval delay time and the torque rush running time;
the controller is also connected with a display screen and a keyboard, and the keyboard and the display screen are used for parameter setting;
when the vibration disc is empty, the display screen displays the character of 'please fill the raw materials';
when the vibration plate is empty, the display screen displays 'please fill the raw material'.
9. The device for automatically conveying nuts and tightening with set torque according to claim 7, wherein a vacuum device for keeping the nail conveying pipe under vacuum is connected to the nail conveying pipe;
the vacuum device comprises one of a vacuum generator and a vacuum pump; the vacuum generator or the vacuum pump is connected with the controller, and the controller is used for controlling the vacuum generator or the vacuum pump to start and stop;
the vacuum generator or the vacuum pump is communicated with the side wall of the screw conveying pipe through an air pipe, and a vacuum negative pressure state is formed in the screw conveying pipe through the vacuum generator or the vacuum pump, so that the screw of the automatic screw feeding mechanism is vacuum-adsorbed and picked up.
10. The device for automatically conveying the nut and tightening the nut with the set torque according to claim 9, wherein an air pump is connected to the screw feeding pipe, the air pump is communicated with the side wall of the screw feeding pipe through an air pipe and blows air into the screw feeding pipe, and screws in the screw feeding pipe are blown to a screw tightening mechanism through the air pump;
the air pipe is also provided with an electromagnetic valve for controlling the on-off of the air passage, the electromagnetic valve is electrically connected with the controller, and the controller controls the electromagnetic valve to be opened or closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111655616.9A CN114248103A (en) | 2021-12-30 | 2021-12-30 | Automatic nut conveying and tightening device with set torque |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111655616.9A CN114248103A (en) | 2021-12-30 | 2021-12-30 | Automatic nut conveying and tightening device with set torque |
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| CN114248103A true CN114248103A (en) | 2022-03-29 |
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| CN202111655616.9A Pending CN114248103A (en) | 2021-12-30 | 2021-12-30 | Automatic nut conveying and tightening device with set torque |
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Application publication date: 20220329 |