阅读说明：本技术 一种成品电池的检测设备 (Detection equipment for finished battery ) 是由 张俊峰 叶长春 王士对 于 2021-07-01 设计创作，主要内容包括：本发明公开了一种成品电池的检测设备,包括转接板、探针、移送压扣装置和脱扣装置；转接板的输入接头用于与成品电池的连接器扣合且电性接触；探针用于与转接板的输出端子电性接触；移送压扣装置用于将成品电池移送至转接板处；移送压扣装置还用于抵压成品电池的连接器,以使成品电池的连接器与转接板的输入接头扣合；脱扣装置用于使成品电池的连接器与转接板的输入接头解除扣合。本发明通过采用移送压扣装置和脱扣装置来实现成品电池的移送、与转接板的输入接头的扣合和脱扣,降低人工参与的工序,从而降低劳动强度。(The invention discloses a detection device of a finished battery, which comprises an adapter plate, a probe, a transferring and pressing buckle device and a tripping device, wherein the adapter plate is provided with a plurality of pins; the input connector of the adapter plate is used for being buckled with the connector of the finished battery and electrically contacted with the connector; the probe is used for electrically contacting with the output terminal of the adapter plate; the transferring and pressing device is used for transferring the finished product battery to the position of the adapter plate; the transferring and pressing device is also used for pressing the connector of the finished product battery so as to buckle the connector of the finished product battery with the input joint of the adapter plate; the tripping device is used for releasing the buckling of the connector of the finished battery and the input connector of the adapter plate. The invention realizes the transfer of the finished battery, the buckling and the releasing of the finished battery and the input connector of the adapter plate by adopting the transfer pressing and releasing device and the releasing device, and reduces the working procedures of manual participation, thereby reducing the labor intensity.)

1. An inspection apparatus for finished batteries, comprising:

the battery adapter comprises an adapter plate (10), wherein the adapter plate (10) is provided with an input connector (11), and the input connector (11) is used for being buckled with a connector (91) of a finished battery (90) and electrically contacted; the adapter plate (10) further has an output terminal (12);

a probe (20), the probe (20) being for electrical contact with the output terminal (12);

the transferring and buckling device (30), the transferring and buckling device (30) is used for transferring the finished product battery (90) to the position of the adapter plate (10); the transferring and pressing device (30) is also used for pressing a connector (91) of the finished product battery (90) so as to enable the connector (91) of the finished product battery (90) to be buckled with the input connector (11);

a trip device (40), the trip device (40) being configured to disengage a connector (91) of a finished battery (90) from the input connector (11).

2. The inspection apparatus for finished batteries according to claim 1, wherein the transfer crimping device (30) comprises:

a pick-up structure (31), the pick-up structure (31) for picking up a finished battery (90);

the pressing mechanism (32), the pressing mechanism (32) can press the finished product battery (90) picked by the picking mechanism (31) downwards;

the conveying driving mechanism (33), the conveying driving mechanism (33) is used for driving the picking structure (31) to move so as to convey the finished product battery (90) picked by the picking structure (31), and the conveying driving mechanism (33) is also used for synchronously driving the pressing mechanism (32) to move.

3. The detection apparatus for finished batteries according to claim 2, characterized in that said handling driving mechanism (33) comprises a power structure (331) and a first mounting member (332); the pick-up structure (31) and the pressing mechanism (32) are both mounted on the first mounting (332); the power structure (331) is used for driving the first mounting part (332) to move.

4. The finished battery inspection apparatus of claim 3, further comprising a visual inspection positioning device (50), said visual inspection positioning device (50) including a controller, and a CCD camera (51) and a light source assembly (52) both mounted on said first mounting member (332); the light source assembly (52) is used for emitting light source to the finished battery (90) to be picked up; the CCD camera (51) is used for acquiring an appearance image of a finished battery (90) to be picked up, converting the appearance image into a signal and sending the signal to the controller; the controller is used for controlling the operation of the power structure (331) according to the signal.

5. The inspection apparatus of finished batteries according to any of claims 2 to 4, characterized in that said pick-up structure (31) comprises an adsorption head (311), said adsorption head (311) being intended to communicate with an external vacuum machine.

6. The detection apparatus for finished batteries according to any of claims 2 to 4, wherein the pressing mechanism (32) comprises a pressing member (321) and a lifting motor (322), the pressing member (321) being used for pressing the finished battery (90); the lifting motor (322) is in transmission connection with the pressing piece (321) and is used for driving the pressing piece (321) to lift; the conveying driving mechanism (33) is used for driving the lifting motor (322) to move; the pressing piece (321) is provided with an adsorption cavity, and the adsorption cavity is provided with an adsorption hole (3211) for communicating the inside and the outside of the adsorption cavity; the adsorption hole (3211) is used for communicating with an external vacuum machine.

7. The finished battery testing apparatus as set forth in claim 1, further including a first bracket (60), a second bracket (70), and a first drive mechanism (80); the adapter plate (10), the probe (20) and the tripping device are all arranged on the first support (60), and the first support (60) is arranged on the second support (70); the first driving mechanism (80) is used for driving the first bracket (60) to horizontally move relative to the second bracket (70).

8. The inspection apparatus for finished batteries according to any of claims 1 to 4, characterized in that the input terminals (11) are disposed facing upwards; the trip device (40) comprises:

the limiting stopper (41) is positioned above the adapter plate (10), and is used for stopping the finished product battery (90) buckled with the adapter plate (10) to prevent the finished product battery (90) from moving downwards;

and the second driving mechanism (42) is used for driving the adapter plate (10) to ascend and descend relative to the limiting stopper (41).

9. The finished battery testing apparatus as set forth in claim 8, wherein the finished battery (90) further has a first position-limiting surface (93) surrounding the connector (91) thereof; the limiting stopper (41) is provided with an avoidance opening (411) which penetrates through the upper surface and the lower surface of the limiting stopper and is opposite to the upper part of the input connector (11); the avoidance opening (411) can be used for a connector (91) of a finished battery (90) to pass through so as to be buckled with the input connector (11); the part of the limiting stopper (41) surrounding the avoidance opening (411) forms a second limiting surface (412), and the second limiting surface (412) is used for abutting against the first limiting surface (93).

10. The finished battery testing apparatus of claim 8 wherein said trip device (40) further includes a mounting structure (43) and a locking structure (44); the mounting structure (43) comprises a mounting seat (431) and a second mounting piece (432), wherein the mounting seat (431) is provided with mounting grooves penetrating through two opposite side surfaces of the mounting seat; the second mounting piece (432) can be installed in the installation groove in an up-and-down mode relative to the installation groove; the locking structure (44) is used for fixing the second mounting piece (432) in the mounting groove; the adapter plate (10) is detachably mounted above the second mounting piece (432) and extends out of the mounting groove through the side surface of the mounting groove; the second driving mechanism (42) drives the adapter plate (10) to lift through the mounting structure (43).

Technical Field

The invention relates to the field of detection equipment, in particular to detection equipment for a finished battery.

Background

At present, for a finished battery which is formed by electrically connecting and fixing a lithium battery and a connector to each other as shown in fig. 8, before shipping, quality detection such as electrical performance needs to be performed to ensure the shipping quality; the existing detection equipment comprises a transfer plate and a probe, wherein a connector of a finished product battery is buckled with an input connector of the transfer plate during detection, and then the probe obtains electrical property data of the finished product battery through the transfer plate, so that whether the electrical property of a finished product reaches the standard or not can be judged; however, the transfer of the finished batteries and the buckling or releasing of the finished batteries with the adapter plate all need manual operation, which causes high labor intensity and low efficiency when large batches of finished batteries are produced.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide a detection device for a finished battery, which can reduce the labor intensity.

The purpose of the invention is realized by adopting the following technical scheme:

a finished battery inspection apparatus comprising:

the adapter plate is provided with an input connector, and the input connector is used for being buckled with a connector of a finished battery and electrically contacted with the connector; the adapter plate is also provided with an output terminal;

a probe for electrically contacting the output terminal;

the transferring and buckling device is used for transferring the finished product battery to the position of the adapter plate; the transferring and pressing device is also used for pressing the connector of the finished product battery so as to buckle the connector of the finished product battery with the input joint;

and the tripping device is used for releasing the buckling of the connector of the finished battery and the input connector.

Further, the transfer buckle device includes:

a pick-up structure for picking up a finished battery;

the pressing mechanism can press the finished product battery picked up by the picking structure downwards;

and the conveying driving mechanism is used for driving the picking structure to move so as to convey the finished product battery picked by the picking structure, and is also used for synchronously driving the abutting mechanism to move.

Further, the carrying driving mechanism comprises a power structure and a first mounting piece; the picking structure and the abutting mechanism are both arranged on the first mounting piece; the power structure is used for driving the first mounting part to move.

Further, the device comprises a visual detection positioning device, wherein the visual detection positioning device comprises a controller, a CCD camera and a light source assembly which are both arranged on the first mounting piece; the light source assembly is used for emitting a light source to a finished product battery to be picked up; the CCD camera is used for acquiring an appearance image of a finished product battery to be picked up, converting the appearance image into a signal and sending the signal to the controller; the controller is used for controlling the operation of the power structure according to the signal.

Further, the pick-up structure includes an adsorption head for communicating with an external vacuum machine.

Further, the pressing mechanism comprises a pressing piece and a lifting motor, and the pressing piece is used for pressing the finished battery; the lifting motor is in transmission connection with the pressing piece and is used for driving the pressing piece to lift; the conveying driving mechanism is used for driving the lifting motor to move; the pressing piece is provided with an adsorption cavity, and the adsorption cavity is provided with adsorption holes for communicating the inside and the outside of the adsorption cavity; the adsorption holes are used for being communicated with an external vacuum machine.

Further, the device also comprises a first bracket, a second bracket and a first driving mechanism; the adapter plate, the probe and the tripping device are all arranged on the first support, and the first support is arranged on the second support; the first driving mechanism is used for driving the first support to horizontally move relative to the second support.

Further, the input joint is arranged upwards; the trip device includes:

the limiting stopper is positioned above the adapter plate and is used for stopping the finished battery buckled with the adapter plate so as to prevent the finished battery from moving downwards;

and the second driving mechanism is used for driving the adapter plate to ascend and descend relative to the limiting stopper.

Furthermore, the finished battery also has a first limiting surface surrounding the connector; the limiting stopper is provided with an avoidance port which penetrates through the upper surface and the lower surface of the limiting stopper and is opposite to the upper part of the input joint; the avoidance port can be used for a connector of a finished battery to pass through so as to be buckled with the input joint; the part of the limiting stopper surrounding the avoidance opening forms a second limiting surface which is used for abutting against the first limiting surface.

Furthermore, the tripping device also comprises a mounting structure and a locking structure; the mounting structure comprises a mounting seat and a second mounting piece, wherein the mounting seat is provided with mounting grooves penetrating through two opposite side surfaces of the mounting seat; the second mounting piece can be installed in the mounting groove in an up-and-down mode relative to the mounting groove; the locking structure is used for fixing the second mounting piece in the mounting groove; the adapter plate is detachably arranged above the second mounting piece and extends out of the mounting groove through the side surface of the mounting groove; the second driving mechanism drives the adapter plate to lift through the mounting structure.

Compared with the prior art, the invention has the beneficial effects that:

the invention realizes the transfer of the finished battery, the buckling and the releasing of the finished battery and the input connector of the adapter plate by adopting the transfer pressing and releasing device and the releasing device, and reduces the working procedures of manual participation, thereby reducing the labor intensity.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the transporting and fastening device of the present invention;

FIG. 3 is an enlarged view of a portion of structure A of FIG. 2 according to the present invention;

fig. 4 is a schematic structural view of an adapter plate and a trip device of the present invention;

fig. 5 is a schematic diagram of a split structure of the adapter plate and the trip device of the present invention;

fig. 6 is a schematic structural view of an adapter plate and a trip device according to the present invention (shown in a different view from fig. 4);

FIG. 7 is a schematic view of the spacing stopper of the present invention;

fig. 8 is a schematic structural view of a conventional finished battery.

In the figure: 10. an adapter plate; 11. an input connector; 12. an output terminal; 20. a probe; 30. a transferring and pressing device; 31. a pick-up structure; 311. an adsorption head; 312. an adsorption plate; 32. a pressing mechanism; 321. a pressing member; 3211. an adsorption hole; 322. a lifting motor; 33. a carrying drive mechanism; 331. a power structure; 332. a first mounting member; 40. a trip device; 41. a limit stopper; 411. avoiding the mouth; 412. a second limiting surface; 42. a second drive mechanism; 43. a mounting structure; 431. a mounting seat; 432. a second mount; 44. a locking structure; 50. a visual inspection positioning device; 51. a CCD camera; 52. a light source assembly; 60. a first bracket; 70. a second bracket; 80. a first drive mechanism; 90. a finished battery; 91. a connector; 92. a lithium battery; 93. a first limiting surface; 100. a probe seat.

Detailed Description

Referring to fig. 1 to 8, the present invention discloses a finished battery inspection apparatus, including:

an adapter plate 10; the adapter plate 10 has an input connector 11, and the input connector 11 is used for being buckled with and electrically contacted with the connector 91 of the finished battery 90; the interposer 10 also has output terminals 12;

a probe 20; the probe 20 is used for electrically contacting with the output terminal 12;

the transferring and buckling device 30, wherein the transferring and buckling device 30 is used for transferring the finished product battery 90 to the adapter plate 10; the transferring and pressing device 30 is also used for pressing the connector 91 of the finished product battery 90 so as to enable the connector 91 of the finished product battery 90 to be buckled with the input connector 11;

and a trip device 40, wherein the trip device 40 is used for releasing the connector 91 of the finished battery 90 from being buckled with the input connector 11.

On the basis of the structure, when the detection equipment of the finished product battery is used, the transfer pressing and buckling device 30 transfers the finished product battery 90 to the position corresponding to the adapter plate 10, the connector 91 of the finished product battery 90 faces the adapter plate 10, and the connector 91 of the finished product battery 90 is buckled on the input connector 11, and at the moment, the finished product battery 90 is conducted with the adapter plate 10; the probes 20 are electrically contacted with the output terminals 12, at this time, the adapter plate 10 plays a role of transmitting the electric signal of the finished product battery 90 to the probes 20, so that the electrical performance data of the finished product battery 90 can be obtained through the adapter plate 10, and then whether the electrical performance of the finished product battery 90 is qualified or not can be judged through comparing the electrical performance data with the standard data, so that the detection of the electrical performance of the finished product battery 90 is realized; then, the release device 40 is adopted to make the connector 91 of the finished battery 90 separate from the input connector 11 of the adapter plate 10, namely, the fastening connection between the finished battery 90 and the adapter plate 10 is released; as described above, the present invention uses the transfer and press-fastening device 30 and the trip device 40 to transfer the finished battery 90 and fasten and release the finished battery with the input connector 11 of the adapter plate 10, thereby reducing the labor intensity by reducing the manual work involved.

It is worth mentioning that the output terminal 12 is an output plate, so that the probe 20 is easily touched.

Further, the transferring and fastening device 30 includes a picking mechanism 31, a pressing mechanism 32 and a carrying driving mechanism 33; the pick-up structure 31 is used for picking up the finished battery 90; the pressing mechanism 32 can press the finished battery 90 picked up by the picking structure 31 downwards; the conveying driving mechanism 33 is used for driving the picking structure 31 to move so as to convey the finished product battery 90 picked by the picking structure 31, and is also used for synchronously driving the abutting mechanism 32 to move; therefore, even if two or more adapter plates 10 are arranged for improving efficiency, the picking structure 31 picks up the finished product battery 90, and then the abutting mechanism 32 moves to the position of the adapter plate 10 synchronously when the finished product battery 90 is conveyed to any adapter plate 10 under the driving of the conveying driving mechanism 33, so that the conveying driving mechanism 33 does not need to be arranged corresponding to each adapter plate 10, and the cost is saved.

It is worth mentioning that the picking mechanism 31 is also driven by the carrying driving mechanism 33 to approach the finished battery 90, thereby achieving the picking.

Specifically, the conveyance drive mechanism 33 includes a power structure 331 and a first mount 332; the pick-up structure 31 and the pressing mechanism 32 are both mounted on the first mount 332; the power structure 331 is used to drive the first mounting member 332 in motion. Like this, can drive simultaneously through the motion of first installed part 332 and pick up structure 31 and support and press mechanism 32, this moment, only need set up corresponding first installed part 332 actuating mechanism can, can the energy can be saved.

The power structure 331 may be a robot, and the first mounting member 332 is mounted on a free end of the robot; of course, the driving mechanism can also be an existing three-axis driving mechanism and the like.

Further, the detection equipment for the finished battery further comprises a visual detection positioning device 50, wherein the visual detection positioning device 50 comprises a controller, and a CCD camera 51 and a light source assembly 52 which are both mounted on the first mounting member 332; the light source assembly 52 is used to emit a light source to the finished battery 90 to be picked up; the CCD camera 51 is used for acquiring an appearance image of the finished battery 90 to be picked up, converting the appearance image into a signal and sending the signal to the controller; the controller is used for controlling the operation of the power structure 331 according to the signal.

On the basis of the above structure, the CCD camera 51 can be moved to a position aligned with the finished battery 90 to be picked up by driving the first mounting member 332 through the power structure 331, the light source assembly 52 emits a light source to the finished battery 90 to be picked up, and then the CCD camera 51 acquires an appearance image of the finished battery 90, converts the appearance image into a signal and sends the signal to the controller; at this time, the controller compares the received appearance image with the preset appearance image according to a preset program, for example, to know the deviation value of the received appearance image from the preset appearance image in each direction, so that: to ensure that the picking mechanism 31 and the pressing mechanism 32 both correspond to the finished battery 90, the first mounting member 332 needs to be moved in all directions for displacement, so as to control the driving of the first mounting member 332 by the power structure 331 according to the displacement to realize the positioning function; in this manner, accurate picking of finished battery 90 by picking structure 31 may be achieved by visually inspecting positioning device 50.

In particular, the pick-up structure 31 comprises an adsorption head 311, it being understood that the adsorption head 311 has an adsorption port; the adsorption head 311 is used for communicating with an external vacuum machine, specifically, the adsorption head 311 may communicate with the adsorption head 311 through a hose, and at this time, the length of the hose is based on the requirement that the adsorption head 311 moves within a required range; like this, correspond the finished product battery 90 of waiting to pick up with adsorption head 311, gaseous in the outside vacuum machine extraction adsorption head 311 realizes that adsorption head 311 adsorbs picks up finished product battery 90, compares and picks up structure 31 and adopts the claw structure and press from both sides the mode of getting finished product battery 90, can avoid causing to wipe the damage to finished product battery 90.

More specifically, the pickup structure 31 further includes an adsorption plate 312, the adsorption plate 312 being formed with an adsorption space formed with an air outlet for communication with an external vacuum machine; the number of the adsorption heads 311 is at least two, so that the adsorption stabilizing effect is improved; at least two adsorption heads 311 are arranged on the adsorption plate 312 at intervals, and the air outlet ends of the adsorption heads 311 are hermetically communicated with the adsorption space; during the use, the gas in the outside vacuum air extractor extraction adsorption space and the realization extraction adsorption head 311's gas, like this, only need with adsorb mouthful with outside vacuum air extractor intercommunication can, need not to correspond every adsorption head 311 and communicate with outside vacuum air extractor respectively, simplify the structure.

The number of the adsorption heads 311 is preferably four, and the four adsorption heads 311 are arranged in a square shape to correspond to four corners of the finished battery 90, thereby realizing balanced adsorption.

Specifically, the suction plate 312 is mounted on the first mount 332.

Further, the pressing mechanism 32 includes a pressing member 321 and a lifting motor 322, the pressing member 321 is used for pressing the finished battery 90; the lifting motor 322 is in transmission connection with the pressing piece 321 and is used for driving the pressing piece 321 to lift; therefore, the finished battery 90 can be pressed by driving the pressing piece 321 to descend through the lifting motor 322, and the pressing is released when the pressing piece 321 is driven to ascend by the lifting motor 322, so that the operation is simple; specifically, the carrying driving mechanism 33 is used for driving the lifting motor 322 to move.

It is worth mentioning that the lifting motor 322 may be installed on the first mounting member 332, and the lifting motor 322 may be a cylinder, a linear motor, or the like.

Preferably, the pressing member 321 is mounted on the first mounting member 332 through a guiding structure, the guiding structure includes a guide rail or a guide groove arranged on the pressing member 321 and a corresponding guide groove or a guide rail arranged on the first mounting member 332, it is understood that the guide rail extends in the same direction as the moving direction of the pressing member 321; the guide rail is movably inserted and matched with the guide groove; as can be seen from the above, the guiding structure includes a guiding rail disposed on the pressing member 321 and a guiding groove disposed on the first mounting member 332, and the guiding rail and the guiding groove are movably inserted and matched; or, the guiding structure includes a guiding groove disposed on the pressing member 321 and a guiding rail disposed on the first mounting member 332, and the guiding rail and the guiding groove are movably inserted and matched; thus, the stability of the lifting process of the pressing member 321 can be improved by the guide structure.

More preferably, the pressing member 321 is formed with an adsorption cavity, and the adsorption cavity is provided with an adsorption hole 3211 communicating the inside and the outside thereof; the adsorption holes 3211 are used for communicating with an external vacuum machine; in practical use, the picking structure 31 generally corresponds to the lithium battery 92 for picking up the finished battery 90, and at this time, in order to reduce the possibility that the connector 91 of the finished battery 90 is folded by mistake during the transportation process, an external vacuum machine may be used to extract the gas in the adsorption cavity of the pressing member 321 to form a negative pressure at the position of the adsorption hole 3211, so as to adsorb and fix the connector 91.

Further, the detection equipment for the finished battery also comprises a first bracket 60, and the adapter plate 10, the probe 20 and the tripping device 40 are all arranged on the first bracket 60, so that the integral moving of the adapter plate 10, the probe 20 and the tripping device 40 can be facilitated; specifically, the probe 20 is mounted on the first support 60 through the probe mount 100.

Further, the detection apparatus for the finished battery further includes a second bracket 70 and a first driving mechanism 80; the first bracket 60 is mounted on the second bracket 70; the first driving mechanism 80 is used for driving the first bracket 60 to horizontally move relative to the second bracket 70; in this way, after the second bracket 70 is fixed, if the position of the adapter plate 10 or the like needs to be adjusted, at this time, the first bracket 60 may be driven to move by the first driving mechanism 80; it should be noted that the first driving mechanism 80 may be a linear motor, an air cylinder, or the like.

Specifically, the input joint 11 is disposed upward; the trip device 40 includes:

the limiting stopper 41 is positioned above the adapter plate 10, and is used for stopping the finished battery 90 buckled with the adapter plate 10 to prevent the finished battery 90 from moving downwards;

and the second driving mechanism 42, the second driving mechanism 42 is used for driving the adapter plate 10 to ascend and descend relative to the limiting stopper 41.

On the basis of the structure, when the connector 91 of the finished product battery 90 is reversely buckled on the input connector 11, at the moment, the limit stopper 41 is abutted to the lower part of the finished product battery 90, when the connector needs to be loosened, the second driving mechanism 42 drives the adapter plate 10 to move downwards relative to the limit stopper 41, the finished product battery 90 cannot move downwards under the abutment of the limit stopper 41, and when the descending distance of the adapter plate 10 is greater than the buckling depth of the finished product battery 90 and the adapter plate 10, the buckling of the finished product battery 90 and the adapter plate 10 is released, so that the operation is simple and convenient; then, the second driving mechanism 42 drives the adapter plate 10 to ascend, so that the next finished battery 90 can be fastened, that is, the next finished battery 90 is detected.

More specifically, as shown in fig. 8, the finished battery 90 further has a first position-limiting surface 93 surrounding the connector 91 thereof; the limiting stopper 41 is provided with an avoidance port 411 which penetrates through the upper surface and the lower surface of the limiting stopper and is opposite to the upper part of the input joint 11; the avoiding opening 411 can be used for the connector 91 of the finished battery 90 to pass through so as to be buckled with the input connector 11 of the adapter plate 10; the portion of the limiting stopper 41 surrounding the avoiding opening 411 is formed as a second limiting surface 412, and the second limiting surface 412 is used for abutting against the first limiting surface 93, so as to balance the pulling force of the adapter plate 10 on the finished battery 90, and reduce the possibility that the connector 91 is pulled and bent.

Further, the trip device 40 further includes a mounting structure 43 and a locking structure 44; the mounting structure 43 comprises a mounting seat 431 and a second mounting part 432, wherein the mounting seat 431 is provided with mounting grooves penetrating through two opposite side surfaces of the mounting seat 431; the second mounting member 432 is liftably mounted in the mounting groove relative to the mounting groove; the locking structure 44 is used for fixing the second mounting member 432 in the mounting groove; the adapter plate 10 is arranged above the second mounting part 432 and extends out of the mounting groove through the side surface of the mounting groove; the second drive mechanism 42 drives the riser 10 up and down via the mounting structure 43.

Based on the above structure, when the locking structure 44 is not used to fix the second mounting member 432 in the mounting groove, the second mounting member 432 can be moved downward to move the adapter plate 10 away from the bottom of the mounting groove to provide a sufficient distance to detach the adapter plate 10 from the second mounting member 432, so that the adapter plate 10 can be replaced.

The locking structure 44 may be a locking structure, and specifically, a male buckle of the locking structure is mounted on the mounting seat 431, and a female buckle of the locking structure is mounted on the second mounting member 432.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.