WO2021072973A1

WO2021072973A1 - Conveying device and detection system

Info

Publication number: WO2021072973A1
Application number: PCT/CN2019/128215
Authority: WO
Inventors: 孙丰; 张宝峰; 刘斌
Original assignee: 苏州赛腾精密电子股份有限公司
Priority date: 2019-10-14
Filing date: 2019-12-25
Publication date: 2021-04-22
Also published as: JP3239983U; CN211034290U

Abstract

A conveying device and a detection system. The conveying device is used for conveying a jig (7), and the jig can be loaded with workpieces. The conveying device comprises: a frame body, a standby station (11) and a temporary storage station (12) being provided in a conveying direction of the jig, and a working station (13) being provided right above the standby station; a conveying mechanism (2), used for conveying the jig, the conveying mechanism being capable of performing reciprocating conveying; a first lifting and lowering mechanism (3), provided at the standby station, and configured to lift, to the working station, the jig loaded with workpieces and located at the standby station on the conveying mechanism, and to lower the jig at the working station to the conveying mechanism; and a second lifting and lowering mechanism (4), configured to cooperate to transfer the jig located at the standby station on the conveying mechanism to the temporary storage station.

Description

Conveying device and detection system

This application claims the priority of the Chinese patent application whose application date is October 14, 2019 and the application number is 201921716963.6. The entire content of this application is incorporated into this application by reference.

Technical field

This application relates to the technical field of electronic component production, for example, to a conveying device and a detection system.

Background technique

In the production process of small electronic components such as lenses and batteries, multiple small workpieces are usually placed in a jig, which makes it easier to transport the workpieces between processes. The conveying mechanism transports the workpieces from the upstream process to the work station in units of jigs. The corresponding device at the work station removes the work pieces from the jigs one by one and performs operations. After all the work pieces are completed, the conveying mechanism re Send the empty jig back to the upstream process along the original route, and transport the new jig filled with the workpiece to be operated to the work station. When the conveying mechanism returns to the upstream process with the empty jig and transports the new jig filled with workpieces to the work station, the corresponding device at the work station is in a waiting state, resulting in low production efficiency. problem.

Summary of the invention

This application proposes a conveying device, which can improve the conveying efficiency of jigs.

This application proposes a detection system with high production efficiency.

An embodiment provides a conveying device for conveying a jig, the jig can be loaded with a workpiece, and the conveying device includes:

The frame body is provided with a work station and a buffer station along the conveying direction of the jig, and a work station is set directly above the work station;

A conveying mechanism for conveying the jig, and the conveying mechanism can reciprocate conveying;

The first lifting mechanism is provided at the work station, and is configured to lift the jig located at the work station on the conveying mechanism to the work station, and lift the work station The jig at the station is dropped to the conveying mechanism; and

The second lifting mechanism is configured to cooperate to transfer the jig located at the work station on the conveying mechanism to the buffer station.

Optionally, the conveying mechanism includes:

The carrier has a first jig placement position and a second jig placement position on its upper surface along the jig conveying direction. When the first jig placement position is directly opposite to the work station, The second jig placement position is directly opposite to the buffering station;

The conveying drive assembly is configured to drive the carrier to move along the jig conveying direction.

Optionally, the first jig placement position and the second jig placement position are provided with carrier positioning protrusions, the jig is provided with a jig positioning hole, and the carrier positioning protrusion can Insert into the positioning hole of the fixture.

Optionally, the second lifting mechanism is arranged at the work station, and the second lifting mechanism is arranged inside the first lifting mechanism.

Optionally, the first lifting mechanism includes:

The first lifting platform is arranged on both sides of the movement direction of the conveying mechanism, and is configured to lift the jig to the work station and place the jig of the work station on the conveying mechanism ；

The first lifting drive assembly is configured to drive the first lifting platform to lift.

Optionally, the first lifting platform is connected with a sliding block, the frame body is provided with a guide rail along a vertical direction, and the guide rail is slidingly fitted with the sliding block.

Optionally, the conveying device further includes a transfer station, the transfer station is located directly above the work station to be operated and directly below the work station, and the second lifting mechanism includes:

The second lifting platform is arranged on both sides of the movement direction of the conveying mechanism and located inside the first lifting mechanism. The second lifting platform is configured to position the conveying mechanism on the station to be operated. The jig is raised to the transfer station, and then moved from the transfer station to the conveying mechanism;

The second lifting drive assembly is configured to drive the second lifting platform to lift.

Optionally, the second lifting mechanism further includes:

The linear bearing is arranged on the frame body;

The two ends of the guide post are respectively connected with the second lifting platform and the output end of the second lifting drive assembly, and the guide post is slidingly fitted with the linear bearing.

Optionally, the conveying device further includes:

The first detection component is arranged at the buffer station and is configured to detect whether the buffer station has the jig; and/or

The second detection component is arranged at the station to be operated and is configured to detect whether there is the jig in the station to be operated; and/or

The third detection component is arranged at the work station, and the third detection component is configured to detect whether the work station has the jig.

An embodiment provides a detection system, including a silo that can be raised and lowered and the above-mentioned conveying device. The conveying mechanism can extend into the silo to take out the jig and put the jig back into the silo .

The conveying device of the present application is used for conveying jigs. Its conveying mechanism conveys the first jig with a workpiece from the upstream station to the work station, and the first lifting mechanism transfers the first jig with the workpiece Elevate to the work station for operation, and the transport mechanism transports the second jig with the workpiece from the upstream station to the second lifting mechanism, and the second lifting mechanism transfers the second jig with the workpiece on the transport mechanism. The tools are transferred from the work station to the buffer station. At this time, the position on the conveying mechanism corresponding to the work station is empty. When the work in the first jig carrying the work is completed, the first jig will fall back to the conveying mechanism through the first lifting mechanism , While the conveying mechanism transports the first jig from the work station, the second jig with the workpiece in the buffer station on the conveying mechanism will be transported from the cache station to the work station at this time; , The second jig with the workpiece is lifted by the first lifting mechanism to the work station for operation, and the first jig is transported back to the upstream station. That is, after the work of the first jig with the workpiece is completed, it is not necessary to wait for the conveying mechanism to send the first jig back to the upstream, and then retrieve the second jig with the workpiece from the upstream, but directly transfer the second jig. The jig with the workpiece is transported from the buffer station to the work station, so the second jig with the work piece can quickly reach the work station for work, which greatly reduces the waiting time of the work station and improves production effectiveness.

The detection system of the present application can improve production efficiency through the above-mentioned conveying device.

Description of the drawings

FIG. 1 is a schematic structural view from a perspective of a conveying device according to a specific embodiment of the present application;

Fig. 2 is a schematic structural diagram from another perspective of the conveying device according to the specific embodiment of the present application;

FIG. 3 is a schematic diagram of the structure of the carrier in FIG. 2;

Figure 4 is an exploded view of the fixture in Figure 2;

Figure 5 is an enlarged view of A in Figure 2;

FIG. 6 is a schematic diagram of a part of the structure of the conveying device of FIG.

In the picture:

11- work station; 12-buffer station; 13- work station; 14- transfer station;

2-conveying mechanism; 21-carriage table; 22-conveyor drive assembly; 211-first jig placement position; 212-second jig placement position; 213-carrying platform positioning protrusion;

3-first lifting mechanism; 31-first lifting platform; 32-first lifting drive assembly; 33-sliding block; 34-rail;

4-Second lifting mechanism; 41-Second lifting platform; 42-Second lifting drive assembly; 43-Connecting plate; 44-Linear bearing; 45-Guide post;

51-first detection component; 52-second detection component; 53-third detection component;

6-silo;

7- Fixture; 71- Fixture base; 72- Tray; 711- Fixture positioning hole; 712- Positioning hole of the first lifting platform; 713- Positioning hole of the second lifting platform;

8-Silo drive mechanism;

9-The fourth detection component.

Detailed ways

In the description of the application, unless expressly stipulated and limited otherwise, the terms "connected", "connected", and "fixed" shall be interpreted broadly, for example, they may be fixedly connected, detachably connected, or integrated; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be a connection between two components or an interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above-mentioned terms in this application can be understood under specific circumstances.

In this application, unless expressly stipulated and defined otherwise, the "above" or "below" of the first feature of the second feature may include direct contact between the first and second features, or may include the first and second features Not in direct contact but through other features between them. Moreover, "above", "above" and "above" the second feature of the first feature include the first feature being directly above and obliquely above the second feature, or it simply means that the level of the first feature is higher than that of the second feature. The "below", "below" and "below" the first feature of the second feature include the first feature directly below and obliquely below the second feature, or it simply means that the level of the first feature is smaller than the second feature.

In the description of this embodiment, the terms "upper", "lower", "right", and other orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of description and simplifying operations, rather than indicating It may also imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present application. In addition, the terms "first" and "second" are only used to distinguish them in description, and have no special meaning.

This embodiment provides a detection system, which can be used in the detection link in the production process of small electronic components such as lenses and batteries. As shown in Figure 1, the detection system includes a conveying device and a silo 6 that can be raised and lowered. The conveying device includes a conveying mechanism 2. The conveying mechanism 2 can extend into the silo 6 to take out the jig 7 carrying the workpiece and carry the workpiece. The jig 7 is transported to the work station 13 for operation, or the jig 7 at the work station 13 is transported back to the silo 6. The two sides inside the silo 6 are provided with multiple barriers along the vertical direction, and the two ends of the jig 7 are laid on the barriers on both sides of the same height to be fixed in the silo 6. Exemplarily, in this embodiment, there is one silo 6, and each compartment of the silo 6 can be placed with a jig 7 or a jig 7 carrying a workpiece, and the silo 6 is arranged on one side of the conveying mechanism 2. , The conveying mechanism 2 can move in a straight line to the silo 6 and can extend into the position between any two compartments of the silo 6. After the conveying mechanism takes out the jig 7 carrying the workpiece to be inspected from the silo 6, it is transported to the work station 13 for inspection. After all the workpieces in the jig 7 are removed for inspection, the conveying mechanism will empty it again. The fixture 7 is transported back to the silo 6.

In order to realize the lifting movement of the silo 6, the detection system further includes a silo driving mechanism 8, and the output end of the silo driving mechanism 8 is connected with the silo 6 to drive the silo 6 to achieve the lifting movement.

In one embodiment, in order to ensure that when the conveying mechanism 2 extends into the silo 6 to take the jig 7 carrying the workpiece, the jig 7 is placed on the corresponding compartment, and the conveying mechanism 2 extends into the silo 6 to place the jig 7 When returning to the bin 6, there is no other fixture 7 on the corresponding compartment. The detection system also includes a fourth detection component 9. The fourth detection component 9 is used to detect whether there is a treatment on the compartment on the upper side of the position directly opposite to the conveying mechanism 2. With 7.

The working principle of the detection system is as follows:

The silo 6 moves in the vertical direction (the Z direction as shown in Figure 1), so that the position of the compartments of the silo 6 is aligned with the conveying mechanism 2, and the conveying mechanism 2 extends into the silo 6 from the position of the compartments. When the conveying mechanism 2 is located under a fixture 7 carrying a workpiece, the silo 6 moves down a preset distance so that the fixture 7 carrying the workpiece on the compartment falls on the conveying mechanism 2, and the conveying mechanism 2 carries the load. The jig 7 with the workpiece extends out of the silo and is transported to the work station 13 to realize the transport of the jig 7 with the workpiece in the silo 6 to the work station 13. Reversely, the conveying mechanism 2 takes the jig 7 from the work station 13 and then transports it to the silo 6. The silo 6 moves in the vertical direction, and the position between the compartments of the silo 6 is the same as that of the conveying mechanism 2. Align, the conveying mechanism 2 extends into the silo 6 from the position between the compartments, the silo 6 is raised to a preset height, the compartments in the silo 6 remove the fixture 7 on the conveying mechanism 2, and the conveying mechanism 2 exits The silo 6, so as to realize the process of putting the jig 7 back into the silo.

In order to reduce the waiting time of the work station 13 in the process of the conveying mechanism 2 returning the jig 7 to the silo 6 and transporting the new jig 7 with workpieces to the work station 13, this embodiment provides A conveying device, as shown in Figs. 1-2, the conveying device includes a frame, a conveying mechanism 2, a first lifting mechanism 3, and a second lifting mechanism 4. The frame body is provided with a working station 11 and a buffer station 12 along the conveying direction of the jig 7, and a working station 13 is arranged directly above the working station 11. The conveying mechanism 2 is used to convey the jig 7, and the conveying mechanism 2 can be reciprocated. , The first lifting mechanism 3 is set at the work station 11, and is used to lift the jig 7 at the work station 11 on the conveying mechanism 2 to the work station 13, and lift the jig at the work station 13 7 is lowered to the conveying mechanism 2, and the second lifting mechanism 4 is used to coordinate the transfer of the jig 7 located at the work station 11 on the conveying mechanism 2 to the buffer station 12.

The conveying mechanism 2 conveys the first jig 7 with the workpiece from the silo 6 to the work station 11, and the first lifting mechanism 3 lifts the first jig 7 with the work piece to the work station 13 for operation , The conveying mechanism 2 then conveys the second jig 7 with the workpiece from the silo 6 to the second lifting mechanism 4, and the second lifting mechanism 4 transfers the second jig 7 with the workpiece on the conveying mechanism 2 Transfer from the work station 11 to the buffer station 12. At this time, the position on the conveying mechanism 2 corresponding to the work station 11 is empty. When the work in the first jig 7 carrying the work is completed, the first jig 7 is dropped by the first lifting mechanism 3. Back to the conveying mechanism 2, while the conveying mechanism 2 transports the first jig 7 from the work station 11, the second jig 7 with the workpiece in the buffer station 12 on the conveying mechanism 2 will be removed from The buffer station 12 is transported to the work station 11; at this time, the second jig 7 carrying the workpiece is lifted by the first lifting mechanism 3 to the work station 13 for operation, and the first jig 7 is Transport back to the silo 6. That is, after the first jig 7 with workpiece is completed, there is no need to wait for the conveying mechanism 2 to send the first jig 7 back to the silo 6, and then retrieve the second jig 7 with the workpiece from the silo 6 , But directly transport the second jig 7 with the workpiece from the buffer station 12 to the work station 11, so the second jig 7 with the workpiece can quickly reach the work station 13 for operation. The waiting time of the work station 13 is greatly reduced, and the production efficiency is improved. In this embodiment, the second lifting mechanism 4 is arranged at the working station 11, and the buffer station 12 is arranged on the side of the working station 11 away from the silo 6.

As shown in Figs. 2-3, the conveying mechanism 2 includes a carrier 21 and a conveying drive assembly 22. The upper surface of the carrier 21 is provided with a first jig placing position 211 and a second jig placing position 212 along the conveying direction of the jig 7. , When the first jig placement position 211 is directly opposite to the work station 11, the second jig placement position 212 is directly opposite to the buffer station 12, and the conveying drive assembly 22 is used to drive the carrier 21 along the conveying direction of the jig 7 movement. The first jig placement position 211 can go deep into the bin 6 to take out the jig 7 carrying the workpiece or put the jig 7 into the bin 6.

The first jig placement position 211 takes the first jig 7 loaded with the workpiece from the silo 6 and transports it to the work station 11, and the first lifting mechanism 3 transfers the first jig 7 loaded with the workpiece 7 Lift to work station 13 for operation; the first jig placement position 211 takes out the second jig 7 carrying the workpiece from the silo 6 and transports it to the second lifting mechanism 4, the second lifting mechanism 4 Lift the second jig 7 carrying the workpiece on the first jig placement position 211 to a preset height, the second jig placement position 212 moves to the second lifting mechanism 4, and the second lifting mechanism 4 lifts the second A jig 7 with a workpiece is dropped onto the second jig placement position 212, and the jig 7 with a workpiece on the second jig placement position 212 is transported to the buffering station, at this time the first jig placement position 211 It is located at station 11 to be operated and is in an unloaded state. When the work of the first jig 7 carrying the workpiece is completed, the first lifting mechanism 3 will drop the first jig 7 onto the first jig placement position 211, and the carrier 21 will move towards the silo to move the first jig 7 When the first jig 7 on the jig placement position 211 is transported away from the position 11 to be operated, the second jig placement position 212 transports the second jig 7 carrying the workpiece to the position 11 to be operated. A lifting mechanism 3 can lift the second jig 7 carrying the workpiece to the work station 13. That is, while the first jig 7 is transported away from the work station 11, the second jig 7 carrying the workpiece can reach the work station 11, which can greatly reduce the waiting time of the work station 13 , Improve the efficiency of conveying the jig 7 carrying the workpiece to the work station 13, thereby increasing the production efficiency.

In this embodiment, the carrier 21 has a plate-like structure, and the carrier 21 is provided with a first jig placement position 211 and a second jig placement position 212. The conveying drive assembly 22 is a structure of a motor and a nut screw rod, the output end of the motor is connected with the screw rod, and the nut and the screw rod are rotationally matched and connected with the carrier 21. In other embodiments, the conveying drive assembly 22 may also be another mechanism that can drive the carrier 21 to move linearly.

In order to ensure that the jig 7 or the jig 7 carrying the workpiece can be accurately dropped and fixed on the first jig placement position 211 and the second jig placement position 212 of the carrier 21, as shown in Figs. 3 and 4 , The first fixture placement position 211 and the second fixture placement position 212 are provided with carrier positioning protrusions 213, the fixture 7 is provided with a fixture positioning hole 711, and the carrier positioning protrusion 213 can be inserted into the fixture positioning hole 711 in. When the jig 7 is lowered, the jig positioning hole 711 is sleeved on the positioning protrusion 213 of the carrier, so that it can accurately fall on the first jig placing position 211 or the second jig placing position 212. In this embodiment, the first jig placement position 211 is provided with two carrier positioning protrusions 213, and the second jig placement position 212 is also provided with two carrier positioning protrusions 213, and two carrier positioning protrusions The 213 can not only realize the positioning of the jig 7 but also fix the jig 7 on the carrier 21.

In order to realize that the jig 7 can transport different workpieces, as shown in FIG. 4, the jig 7 includes a jig base 71 and a tray 72. The upper surface of the tray 72 is provided with a plurality of placing grooves, which are used to place workpieces. The surface is provided with grooves, the upper end of the jig base 71 is provided with protrusions, and the grooves on the tray 72 are buckled on the protrusions on the jig base 71 to realize the fixation of the relative positions of the tray 72 and the jig base 71. When different workpieces need to be transported, it is only necessary to replace the tray 72 provided with different placement slots.

Illustratively, as shown in FIG. 4, in order to ensure that the first lifting platform 31 can accurately hold up the jig 7, the first lifting platform 31 is provided with a first positioning pin, and the jig base 71 is provided with a first lifting platform. The positioning hole 712, the first positioning pin on the first lifting platform 31 penetrates the positioning hole 712 of the first lifting platform, the relative position of the jig 7 and the first lifting platform 31 can be fixed, and the jig 7 is guaranteed to follow the first lifting platform 31. The position of a lifting platform 31 is stable during the lifting process, and no deviation occurs. Similarly, a second positioning pin is provided on the second lifting platform 41, a second lifting platform positioning hole 713 is also provided on the jig base 71, and the second positioning pin on the second lifting platform 41 penetrates into the second lifting platform for positioning. The hole 713 can fix the relative position of the jig 7 and the second lifting platform 41 to ensure that the jig 7 is stable during the lifting process of the second lifting platform 41 and will not shift.

In order to ensure the accurate movements of the conveying mechanism 2, the first lifting mechanism 3 and the second lifting mechanism 4, as shown in FIGS. 1 and 5, the conveying device further includes a first detection component 51 and/or a second detection component 52 and/or The third detection component 53. The first detection component 51 is arranged at the buffer station 12 to detect whether the buffer station 12 has a fixture 7 and the second detection component 52 is arranged at the to-be-worked station 11 and is used to detect whether the to-be-worked station 11 has a fixture. 7. The third detection component 53 is arranged at the work station 13, and the third detection component 53 is used to detect whether there is a jig 7 at the work station 13. The arrangement of multiple detection components can ensure that the conveying mechanism 2, the first lifting mechanism 3, and the second lifting mechanism 4 operate at an appropriate time. In this embodiment, the first detection component 51, the second detection component 52, and the third detection component 53 may all be position sensors. In other embodiments, the first detection component 51, the second detection component 52, and the third detection component 53 can also be other components that can detect the position of the jig 7.

In order to avoid positional interference between the first lifting mechanism 3 and the second lifting mechanism 4 along the width direction of the conveying mechanism 2 (the Y direction as shown in FIG. 5) during the lifting process, the second lifting mechanism 4 is arranged inside the first lifting mechanism 3 .

In order to realize the lifting movement of the first lifting mechanism 3, as shown in FIG. 5, the first lifting mechanism 3 includes a first lifting platform 31 and a first lifting drive assembly 32. The first lifting platform 31 is arranged on both sides of the movement direction of the conveying mechanism 2 for lifting the jig 7 to the work station 13 and placing the jig 7 of the work station 3 on the conveying mechanism 2. The first lifting drive assembly 32 It is used to drive the first lifting platform 31 to lift in the vertical direction. The first lifting driving assembly 32 drives the first lifting platform 31 to perform lifting motion in the vertical direction, so as to realize the driving jig 7 to perform lifting motion in the vertical direction. In this embodiment, the first lifting platform 31 has a plate-like structure and is arranged on both sides of the conveying mechanism 2. The first lifting drive assembly 32 is two linear cylinders, and the output end of each linear cylinder is connected to a first lifting platform 31. .

In one embodiment, in order to ensure that the movement direction of the first lifting mechanism 3 is more accurate and stable, as shown in FIG. 5, the first lifting platform 31 is connected with a sliding block 33, and the frame body is provided with a guide rail 34 along the vertical direction. Sliding with the slider 33. The sliding cooperation between the guide rail 34 and the sliding block 33 can ensure that the lifting movement of the first lifting platform 31 is more stable and the movement direction is more accurate.

In order to realize the lifting movement of the second lifting mechanism 4, as shown in FIG. 6, the conveying device further includes a transfer station 14. The transfer station 14 is located directly above the work station 11 and directly below the work station 13, and the second lift The mechanism 4 includes a second lifting platform 41 and a second lifting drive assembly 42. The second lifting platform 41 is arranged on both sides of the movement direction of the conveying mechanism 2 and located inside the first lifting mechanism 3. The second lifting platform 41 is used to lift the jig 7 located at the work station 11 on the conveying mechanism 2 to the transfer The station 14 is moved from the transfer station 14 to the conveying mechanism 2, and the second lifting drive assembly 42 is configured to drive the second lifting platform 41 to lift in the vertical direction. The second lifting drive assembly 42 drives the second lifting platform 41 to move in the vertical direction, so as to drive the jig 7 to move up and down in the vertical direction, and the second lifting drive assembly 42 can lift the jig 7 to the work station 13 Between the work station 11 and the work station 11, the jig 7 can be lifted in the vertical direction to avoid the movement of the stage 21, and the jig 7 that is being operated on the work station 13 will not be hit. In this embodiment, the second lifting platform 41 has a plate-like structure and is arranged on both sides of the conveying mechanism 2. The second lifting drive assembly 42 is two air cylinders, and the output end of each cylinder is connected to a lifting platform 41 to drive The lifting platform 41 performs lifting motion in the vertical direction.

Exemplarily, in order to ensure that the movement direction of the second lifting mechanism 4 is more accurate, as shown in FIG. 6, the second lifting mechanism 4 further includes a linear bearing 44 and a guide post 45. The linear bearing 44 is arranged on the frame and the guide post 45 is two The ends are respectively connected with the output ends of the second lifting platform 41 and the second lifting drive assembly 42, and the guide post 45 is slidingly fitted with the linear bearing 44. In one embodiment, the output end of the second lifting drive assembly 42 is arranged downward, the output end of the second lifting drive assembly 42 is connected to the connecting plate 43, and both ends of the guide post 45 are respectively connected to the connecting plate 43 and the second lifting platform. 41 is connected, and the second lifting drive assembly 42 drives the connecting plate 43 to be lifted and transported in the vertical direction, thereby driving the guide post 45 and the second lifting platform 41 to perform lifting movement. During the lifting process, the guide post 45 and the linear bearing are slidingly matched to ensure that the movement direction of the second lifting platform 41 is more accurate and the movement process is more stable.

Claims

A conveying device for conveying a jig (7) on which a workpiece can be loaded, and the conveying device includes:

The frame body is provided with a work station (11) and a buffer station (12) along the conveying direction of the jig (7), and a work station (13) is set directly above the work station (11);

The conveying mechanism (2) is used to convey the jig (7), and the conveying mechanism (2) can reciprocate conveying;

The first lifting mechanism (3) is arranged at the work station (11), and is configured to position the conveying mechanism (2) on the work station (11) where the workpiece is loaded The jig (7) is raised to the work station (13), and the jig (7) at the work station (13) is lowered to the conveying mechanism (2); and

The second lifting mechanism (4) is configured to cooperate to transfer the jig (7) located at the work station (11) on the conveying mechanism (2) to the buffer station (12) Place.
The conveying device according to claim 1, wherein the conveying mechanism (2) comprises:

The carrier (21) is provided with a first jig placement position (211) and a second jig placement position (212) on its upper surface along the conveying direction of the jig (7), when the first jig placement position (211) When it is directly opposite to the work station (11), the second jig placement position (212) is directly opposite to the buffer station (12);

The conveying driving assembly (22) is configured to drive the carrier (21) to move along the conveying direction of the jig (7).
The conveying device according to claim 2, wherein the first jig placement position (211) and the second jig placement position (212) are provided with carrier positioning protrusions (213), and the treatment The fixture (7) is provided with a fixture positioning hole (711), and the carrier positioning protrusion (213) can be inserted into the fixture positioning hole (711).
The conveying device according to any one of claims 1-3, wherein the second lifting mechanism (4) is arranged at the work station (11), and the second lifting mechanism (4) is arranged at The inner side of the first lifting mechanism (3).
The conveying device according to claim 4, wherein the first lifting mechanism (3) comprises:

The first lifting platform (31) is arranged on both sides of the movement direction of the conveying mechanism (2), and is configured to lift the jig (7) to the work station (13), and to lift the work worker The jig (7) at position (13) is placed on the conveying mechanism (2);

The first lifting drive assembly (32) is configured to drive the first lifting platform (31) to lift.
The conveying device according to claim 5, wherein the first lifting platform (31) is connected with a sliding block (33), the frame body is provided with a guide rail (34) along the vertical direction, and the guide rail (34) Sliding with the sliding block (33).
The conveying device according to claim 4, further comprising a transfer station (14), the transfer station (14) is located directly above the work station (11) and at the front of the work station (13) Below, the second lifting mechanism (4) includes:

The second lifting platform (41) is arranged on both sides of the movement direction of the conveying mechanism (2) and is located inside the first lifting mechanism (3). The second lifting platform (41) is configured to The jig (7) located at the work station (11) on the conveying mechanism (2) is lifted to the transfer station (14), and then moved from the transfer station (14) to the Conveying mechanism (2);

The second lifting drive assembly (42) is configured to drive the second lifting platform (41) to lift.
The conveying device according to claim 7, wherein the second lifting mechanism (4) further comprises:

The linear bearing (44) is arranged on the frame body;

The two ends of the guide post (45) are respectively connected with the output ends of the second lifting platform (41) and the second lifting drive assembly (42), and the guide post (45) is connected to the linear bearing (44). ) Sliding fit.
The delivery device of claim 1, further comprising:

The first detection component (51) is arranged at the cache station (12) and is configured to detect whether the cache station (12) has the jig (7); and/or

The second detection component (52) is arranged at the work station (11) and is configured to detect whether the work station (11) has the jig (7); and/or

The third detection component (53) is arranged at the work station (13), and the third detection component (53) is configured to detect whether the work station (13) has the jig (7).
A detection system, comprising a silo (6) that can be raised and lowered and the conveying device according to any one of claims 1-9, the conveying mechanism (2) can be extended into the silo (6) to take out The jig (7) and the jig (7) are put back into the silo (6).