CN218433599U - Device for avoiding secondary processing of tray circulating line product - Google Patents
Device for avoiding secondary processing of tray circulating line product Download PDFInfo
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- CN218433599U CN218433599U CN202222147056.2U CN202222147056U CN218433599U CN 218433599 U CN218433599 U CN 218433599U CN 202222147056 U CN202222147056 U CN 202222147056U CN 218433599 U CN218433599 U CN 218433599U
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Abstract
The utility model discloses a device for avoiding tray circulation line product secondary operation belongs to circulation transfer chain technical field. The automatic feeding device comprises a circulating conveyor and trays, wherein the circulating conveyor comprises a rack and a conveying belt which is arranged on the rack and moves in a circulating manner, and a plurality of trays for placing products are arranged on the conveying belt; the device also comprises a reset mechanism, a blocking piece and a proximity sensor. A reset mechanism and a blocking piece are arranged on the original circulating conveying line. The reset mechanism and the blocking piece are arranged on the original circulating conveying line, the reset block of the reset mechanism is changed from a vertical state to a horizontal state through the blocking piece, and the reset block can be used as a mark that the tray is operated so as to provide a hardware basis for subsequent detection; and a proximity sensor corresponding to the reset mechanism is further installed on the circulating conveying line, and the state of the reset block is detected through the proximity sensor, so that a detection basis is provided for subsequent stopping of the circulating conveying line and inspection of missed unoperated trays.
Description
Technical Field
The utility model relates to a device for avoiding tray circulation line product secondary operation belongs to circulation transfer chain technical field.
Background
At present, in the automated production process, the automatic feeding and discharging mode of the machine tool is widely applied. The loading and unloading circulating conveying line is characterized in that a walking tool tray is arranged on a horizontal circulating conveying line, a product workpiece to be machined is manually placed on an empty tray, the tray moves circularly along with a conveying belt, when the tray and the product workpiece move to a specified position, namely a loading and unloading station of a manipulator, the manipulator automatically takes away the product workpiece in the tray and places the product workpiece into a machine tool for machining, and after machining is completed, the manipulator puts the product back to the tray. The tray continues circulation, comes the artifical unloading station of going up, and the manual work is taken away the product that has processed from the tray to put the product work piece of treating processing, accomplish the artifical unloading operation of going up.
The feeding and discharging device has the advantages that the feeding and discharging device shares one set of circulating conveying line, occupied space can be saved, only one set of power is used, energy consumption can be saved, and the device is popular in the market and widely applied. However, the circulation transfer line also has a problem: if the tray carrying the processed products is not manually operated in the existing circulating conveying line, the tray can enter the circulating line again, so that the products are secondarily processed, and the problems of product scrapping or labor hour waste are caused. In the prior art, whether a product is processed or not is manually identified, but errors are likely to occur manually, and the reliability and stability need to be enhanced; setting up a manual identification station requires additional labor.
Therefore, design a device for avoiding tray circulation line product secondary operation, it can detect out the tray whether by manual operation through the mutual cooperation between canceling release mechanical system, block piece, the proximity sensor, avoids the repeated entering manipulator of tray that has not been operated by manual operation to go up unloading station, the condition of secondary operation appears.
Disclosure of Invention
The utility model aims to solve the technical problem that: the utility model provides a device for avoiding tray circulation line product secondary operation, it has solved in present circulation transfer chain if the tray that carries the processing product has not been handled by the manual work, and the tray can get into the circulation line again, leads to the problem that the product is processed by the secondary operation.
The utility model discloses the technical problem that will solve takes following technical scheme to realize:
a device for avoiding secondary processing of tray circulating line products comprises a circulating conveyor and trays, wherein the circulating conveyor comprises a rack and a conveying belt which is mounted on the rack and moves in a circulating manner, a plurality of trays for placing the products are mounted on the conveying belt, one end of the circulating conveyor is provided with a mechanical arm feeding and discharging station, and the other end of the circulating conveyor is provided with a manual feeding and discharging station;
the device also comprises a reset mechanism, a blocking piece and a proximity sensor;
the reset mechanism is composed of a reset block, a pin shaft, a reset base and a spring, wherein the reset base is arranged on the tray, the reset block is horizontally hinged on the reset seat through the pin shaft, and the pin shaft is sleeved with the spring which tightly pushes the reset block and the reset base and keeps relatively static;
a blocking piece which blocks the reset block passing through the position into a horizontal direction is arranged on the discharge end rack of the feeding and discharging station of the manipulator;
and a proximity sensor for detecting whether the blocking piece is in the vertical direction is arranged on the feeding end rack of the feeding and discharging station of the manipulator.
The proximity sensor is connected with the controller and sends the detected proximity signal to the controller; the controller is connected with the circulating conveyor through a switch relay and controls the circulating conveyor to start and stop through the controller.
After the circulating conveyor is started, the mechanical arm takes the to-be-processed products on the tray from the feeding and discharging station of the mechanical arm, after the products are processed, the processed products are placed back to the original tray by the mechanical arm, when the tray passes through the discharging end of the feeding and discharging station of the mechanical arm, the reset block of the reset mechanism is shifted to the horizontal direction from the vertical direction by the baffle piece, and the tray continues to move to enter the manual feeding and discharging station;
when the tray passes through the proximity sensor, if the tray is a reset block in the vertical direction, the tray can approach and trigger the proximity sensor, and if the tray is a reset block in the horizontal direction, the tray is out of the detection range of the proximity sensor and cannot trigger the proximity sensor; when the proximity sensor detects that the reset block is in the vertical direction, the tray is judged to be operated; when the proximity sensor detects that the reset block is not in the vertical direction, it is determined that the tray is not operated.
As a preferable example, one end of the spring is fixed with the reset block, and the other end of the spring is fixed with an annular friction plate which is propped against the reset base by the spring.
One end of the spring is fixed, the other end of the spring is provided with an annular friction plate, the annular friction plate can provide larger static friction force, and the reset block can keep relative rest with the reset base through the annular friction plate.
As a preferred example, a horizontal through hole with the diameter larger than that of the pin shaft is arranged on the reset base, one end of the pin shaft is fixed with the reset block, and the other end of the pin shaft is limited by a limiting snap ring after penetrating through the horizontal through hole.
The pin shaft is hinged on the reset base in a mode of the limiting snap ring, so that the structure is simple, the installation is convenient, and the limiting snap ring cannot fall off due to vibration and is more reliable.
As a preferable example, one side of the pin shaft of the reset base is provided with a limiting rod, and the reset block is abutted against the limiting rod when rotating from a horizontal state to a vertical state under the action of external force.
Through the gag lever post mode, can restrict reset block turned angle for reset block rotates and keeps the vertical state just when leaning on the gag lever post, does not need operating personnel angle adjustment, and one dials to the right place.
As a preferred example, the proximity sensor is an optoelectronic proximity sensor.
The photoelectric proximity sensor is a switch made by using photoelectric effect, also called photoelectric switch. The transmitting end and the receiving end are arranged in the same detection head. When the emitted light is reflected by the adjacent reset block, the photoelectric device receives the reflected light and outputs an approach signal, so that the approach of an object is sensed.
As a preferable example, the blocking member is composed of a blocking base fixed to the frame and a blocking rod fixed to the blocking base to block the reset block in a horizontal direction.
The blocking rod is fixed on the rack by adopting the blocking base, the structure is simple, the installation is convenient, and the blocking rod can horizontally block on a moving path of the reset block and cannot be clamped after being contacted with the reset block.
The beneficial effects of the utility model are that:
(1) The reset mechanism and the blocking piece are arranged on the original circulating conveying line, the reset block of the reset mechanism is changed from a vertical state to a horizontal state through the blocking piece, and the reset block can be used as a mark that the tray is operated so as to provide a hardware basis for subsequent detection;
(2) A proximity sensor corresponding to the reset mechanism is further installed on the circulating conveying line, and the state of the reset block is detected through the proximity sensor, so that detection basis is provided for subsequent stopping of the circulating conveying line and investigation of missed unoperated trays;
(3) The blocking piece and the proximity sensor are respectively installed at the discharge end and the feed end of the feeding and discharging station of the manipulator of the circulating conveying line, the state of the blocking piece can be changed when the tray flows out, whether the tray is operated or not is detected before the tray flows in, and if the tray carrying processed products is not operated manually and is omitted, the tray carrying the processed products can be found before entering the feeding and discharging station of the manipulator.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is an enlarged view of a portion of the mounting location of the blocking member and proximity sensor;
FIG. 3 is a schematic view of the structural relationship between the proximity sensor and the reset mechanism;
FIG. 4 is a schematic view of the structural relationship between the blocking member and the return mechanism;
FIG. 5 is a schematic diagram of the electrical circuit between the proximity sensor signal, the endless conveyor and the controller;
fig. 6 is a schematic structural view of the reset mechanism.
In the figure: 1. a circulating conveyor; 101. a frame; 102. a conveyor belt; 103. a manipulator loading and unloading station; 104. a manual feeding and discharging station; 2. a tray; 3. a reset mechanism; 301. a reset block; 302. a pin shaft; 303. a reset base; 304. a spring; 305. a horizontal through hole; 306. a limit snap ring; 307. a limiting rod; 4. a stopper; 401. a blocking base; 402. a blocking rod; 5. a proximity sensor; 501. a support; 6. an annular friction plate.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, the present invention will be further described with reference to the following embodiments.
Example 1
As shown in fig. 1, the device for avoiding secondary processing of tray 2 circulation line products comprises a circulation conveyor 1 and a tray 2, wherein the circulation conveyor 1 comprises a frame 101 and a conveying belt 102 which is installed on the frame 101 and circularly moves, a plurality of trays 2 used for placing the products are installed on the conveying belt 102, one end of the circulation conveyor 1 is provided with a manipulator feeding and discharging station 103, the other end of the circulation conveyor is provided with a manual feeding and discharging station 104, and the dotted line in fig. 1 is a dividing line between the manipulator feeding and discharging station 103 and the manual feeding and discharging station 104.
A manipulator (not shown in the figure) and a processing machine tool (not shown in the figure) are arranged at the manipulator feeding and discharging station 103, and when the tray 2 carrying the product to be processed comes to a manipulator taking position, the manipulator takes the product to be processed away and puts the product into the machine tool for processing; after the machining is completed, the robot returns the machined product to the original tray 2. The robot loader and unloader station 103 may also be referred to as a process station.
At least one worker for loading and unloading is arranged at the manual loading and unloading station 104. The work content is that the processed product is taken out from the tray 2, the product to be processed is put on the tray, and the tray circularly flows to the processing station to process the machine tool.
The manual feeding and discharging station 104 depends on manual feeding and discharging, the possibility of omission and non-operation exists, once the tray 2 loaded with the processed products is omitted, the tray enters the mechanical arm feeding and discharging station 103 again, the problem of secondary processing is caused, products can be scrapped, or working hours are wasted.
As shown in fig. 2-4, a reset mechanism 3, a blocking piece 4 and a proximity sensor 5 are added on the original circulating conveying line;
the reset mechanism 3 is composed of a reset block 301, a pin 302, a reset base 303 and a spring 304, the reset base 303 is installed on the tray 2, the reset block 301 is horizontally hinged on the reset seat through the pin 302, the reset block 301 and the pin 302 are welded and fixed, and the pin 302 is sleeved with the spring 304 which tightly pushes the reset block 301 and the reset base 303 and keeps relatively static;
a blocking piece 4 which blocks the reset block 301 passing through the discharging end rack 101 of the manipulator loading and unloading station 103 into a horizontal direction is arranged on the discharging end rack;
a proximity sensor 5 for detecting whether the blocking piece 4 is in the vertical direction is arranged on the feeding end rack 101 of the manipulator feeding and discharging station 103. The proximity sensor 5 is fixed to the chassis 101 by a bracket 501.
The blocking member 4 is composed of a blocking base 401 and a blocking rod 402, the blocking base 401 is fixed to the frame 101, and the blocking rod 402 for horizontally blocking the reset block 301 is fixed to the blocking base 401.
The blocking rod 402 is fixed on the rack 101 by the blocking base 401, the structure is simple, the installation is convenient, and the blocking rod 402 can horizontally block on the moving path of the reset block 301 and cannot be clamped after contacting with the reset block 301.
As shown in fig. 5, the proximity sensor 5 is connected to the controller, and transmits a detected proximity signal to the controller; the controller controls the endless conveyor 1 to switch between the operating state and the stopping state in accordance with the received state signal.
The proximity sensor 5 is an optoelectronic proximity sensor 5.
The photoelectric proximity sensor 5 is a switch made by using a photoelectric effect, and is also called a photoelectric switch. The transmitting end and the receiving end are arranged in the same detection head. When the emitted light is reflected by the adjacent reset block 301, the photoelectric device receives the reflected light and outputs an approach signal, thereby sensing the approach of an object.
The operation mode is as follows:
(1) After the circular conveyor 1 is started, a manipulator takes a product to be processed on the tray 2 from the manipulator feeding and discharging station 103, the manipulator returns the processed product to the original tray 2 after the product is processed, when the tray 2 passes through the discharging end of the manipulator feeding and discharging station 103, the reset block 301 of the reset mechanism 3 is shifted to the horizontal direction from the vertical direction by the baffle piece 4, and the tray 2 continues to move to enter the manual feeding and discharging station 104;
(2) At the manual loading and unloading station 104, the processed products are manually taken away, the products to be processed are placed, and the reset block 301 of the reset mechanism 3 is manually shifted to the vertical direction from the horizontal direction while the loading and unloading actions are completed; if the tray 2 flows through the manual loading and unloading station 104 and is not operated, the reset block 301 of the reset mechanism 3 keeps the original horizontal direction, and the tray 2 continuously and circularly enters the manipulator loading and unloading station 103;
(3) When the tray 2 passes by the proximity sensor 5, if the reset block 301 in the vertical direction is present, it can approach and trigger the proximity sensor 5, and if the reset block 301 in the horizontal direction is present, it is out of the detection range of the proximity sensor 5 and does not trigger the proximity sensor 5; when the proximity sensor 5 detects that the reset block 301 is in the vertical direction, the manual operation is judged, and the circulating conveyor line continues to operate; when the proximity sensor 5 detects that the reset block 301 is not in the vertical direction, the tray 2 is judged not to be operated manually, the controller stops the circulating conveying line, whether the product at the position of the detected tray is a processed product or an unprocessed product is manually checked, it is ensured that the final tray is an unprocessed product, finally, the reset block 301 is shifted to the vertical direction from the horizontal direction, and the circulating conveying line is manually started again after the checking is finished.
Example 2
As shown in fig. 6, the other structure is the same as that of embodiment 1, one end of the spring 304 is fixed to the reset block 301, the other end is fixed to the annular friction plate 6, and the annular friction plate 6 is pressed against the reset base 303 by the spring 304.
One end of the spring 304 is fixed, the other end of the spring is provided with the annular friction plate 6, the annular friction plate 6 can provide larger static friction force, and the reset block 301 can keep relatively static with the reset base 303 through the annular friction plate 6.
Preferably, the contact surfaces of the annular friction plate 6 and the reset base 303 are provided with hemispherical convex points and matched concave grooves, and the reset block 301 can be more stably kept relatively still with the reset base 303.
Example 3
As shown in fig. 6, the rest of the structure is the same as that of embodiment 1, a horizontal through hole 305 having a diameter larger than that of the pin 302 is formed in the reset base 303, one end of the pin 302 is fixed to the reset block 301, and the other end of the pin 302 is limited by a limiting snap ring 306 after passing through the horizontal through hole 305.
As shown in fig. 3 and 4, a limiting rod 307 is disposed on one side of the pin 302 of the reset base 303, and the reset block 301 abuts against the limiting rod 307 when rotating from a horizontal state to a vertical state under the action of an external force.
The pin shaft 302 is hinged on the reset base 303 by adopting the mode of the limiting snap ring 306, so that the structure is simple, the installation is convenient, and the limiting snap ring 306 cannot fall off due to vibration and is more reliable.
Through gag lever post 307 mode, can restrict reset block 301 turned angle for reset block 301 rotates and keeps the vertical state just when leaning on gag lever post 307, does not need operating personnel angle regulation, and one dials to the right place.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are intended to be included within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a device for avoiding tray circulation line product secondary operation, it includes endless conveyor, tray, endless conveyor includes the frame to and install the conveyer belt that the circulation removed in the frame, install a plurality of trays that are used for placing the product on the conveyer belt, endless conveyor one end sets up the unloading station on the manipulator, and the other end sets up artifical unloading station, its characterized in that of going up:
the device also comprises a reset mechanism, a blocking piece and a proximity sensor;
the reset mechanism is composed of a reset block, a pin shaft, a reset base and a spring, wherein the reset base is arranged on the tray, the reset block is horizontally hinged on the reset seat through the pin shaft, and the pin shaft is sleeved with the spring which tightly pushes the reset block and the reset base and keeps relatively static;
a blocking piece which blocks the reset block passing through the position into a horizontal direction is arranged on the discharge end rack of the feeding and discharging station of the manipulator;
and a proximity sensor for detecting whether the blocking piece is in the vertical direction is arranged on the feeding end rack of the feeding station on the manipulator.
2. The device for avoiding the secondary processing of the tray circulating line product as claimed in claim 1, wherein one end of the spring is fixed with the reset block, and the other end of the spring is fixed with an annular friction plate which is propped against the reset base by the spring.
3. The device for avoiding secondary processing of the tray circulating line product as claimed in claim 1, wherein the reset base is provided with a horizontal through hole with a diameter larger than that of the pin shaft, one end of the pin shaft is fixed with the reset block, and the other end of the pin shaft is limited by a limit snap ring after passing through the horizontal through hole.
4. The device for avoiding the secondary processing of the tray circulating line product as claimed in any one of claims 1 to 3, wherein a limiting rod is arranged on one side of the pin shaft of the reset base, and the reset block abuts against the limiting rod when rotating from a horizontal state to a vertical state under the action of external force.
5. The apparatus for avoiding secondary processing of a pallet circulation line product according to claim 1, wherein said proximity sensor is an electro-optical proximity sensor.
6. The apparatus for preventing secondary processing of a pallet circulation line product according to claim 1, wherein said blocking member is composed of a blocking base and a blocking rod, the blocking base is fixed on the frame, and the blocking rod for blocking the reset block in a horizontal direction is fixed on the blocking base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222147056.2U CN218433599U (en) | 2022-08-15 | 2022-08-15 | Device for avoiding secondary processing of tray circulating line product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222147056.2U CN218433599U (en) | 2022-08-15 | 2022-08-15 | Device for avoiding secondary processing of tray circulating line product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218433599U true CN218433599U (en) | 2023-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222147056.2U Active CN218433599U (en) | 2022-08-15 | 2022-08-15 | Device for avoiding secondary processing of tray circulating line product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218433599U (en) |
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- 2022-08-15 CN CN202222147056.2U patent/CN218433599U/en active Active
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