CN211265588U - Battery taking and placing device and battery bin - Google Patents

Abstract

The utility model belongs to the field of robots and discloses a battery taking and placing device, which comprises a shell, a tray, a power mechanism and a transmission mechanism, wherein the shell comprises an opening, and the opening is used for a battery to enter and exit the shell; the tray is connected with the shell in a sliding mode and used for bearing a battery; the power mechanism is arranged on one side, far away from the opening, in the shell; the transmission mechanism is arranged in the shell and is positioned on the side of the translation direction of the tray. The utility model discloses still disclose one kind and possess above-mentioned battery and get battery compartment of putting the device. The utility model discloses a set up the power unit at the inside rear of casing and the drive mechanism of the inside side of casing, the power unit drive the tray is to being close to or keeping away from power unit's direction translation, drive mechanism will power unit's power transmission gives the tray has realized popping out and withdrawing the battery from the battery compartment automatically, and structural design is compact moreover, and occupation space is little.

Description

Battery taking and placing device and battery bin

Technical Field

The utility model relates to the technical field of robot, especially, relate to a battery is got and is put device and battery compartment.

Background

With the improvement of automation technology and the popularization of automation equipment, more and more construction robots are applied to construction sites, and for the long-term endurance of the construction robots, the construction robots need to be supplied with energy for a long time, and batteries are replaced continuously. At present, when a battery is replaced by equipment using the battery as a power source, the battery is generally taken out of a battery compartment and put in the battery compartment in a manual carrying mode or a push-pull mode by a special designed manipulator. The two modes of passively extracting the batteries from the battery compartment have certain limitations, the efficiency of replacing the batteries by adopting a manual carrying mode is low, and the labor intensity is also great; and adopt the manipulator or the mechanical mechanism of customization, the manipulator often the cost is higher to can make the volume in battery compartment on the equipment great, can occupy great space simultaneously, be unfavorable for the equipment operation of being under construction in limited space.

In view of the above situation, it is desirable to design a more compact battery taking and placing device.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at: the battery taking and placing device can automatically eject and withdraw the battery and can make the structure of the device more compact.

The utility model discloses another aim at: provided is a battery compartment, which can automatically eject and withdraw a battery from the battery compartment and realize the miniaturization of the battery compartment.

To achieve the purpose, the utility model adopts the following technical proposal:

in one aspect, a battery pick-and-place device is disclosed, comprising:

a housing including an opening for a battery to enter and exit the housing;

the tray is connected with the shell in a sliding mode and used for bearing a battery;

the power mechanism is arranged on one side, far away from the opening, of the interior of the shell and is used for driving the tray to translate towards the direction close to or far away from the power mechanism;

the transmission mechanism is arranged in the shell and positioned on the side of the translation direction of the tray, and the transmission mechanism is used for transmitting the power of the power mechanism to the tray.

Specifically, the power mechanism transmits power to the transmission mechanism through the transmission shaft, the transmission mechanism transmits the power of the power mechanism to the tray, the tray is driven to move horizontally in a direction close to or far away from the power mechanism, and the battery is automatically ejected and retracted through the forward and reverse rotation of a power source of the power mechanism. And, power unit set up in the inside of casing is kept away from open-ended one side, drive mechanism set up in the inside of casing just is located the side of the translation direction of tray, this kind of mechanism arrangement mode makes the structure of battery get and puts the device compacter, saves to change the required space of battery, especially reduces the size on the battery compartment direction of height, adapts to the work robot that the chassis height is low.

Preferably, the transmission mechanism includes:

the first synchronous wheel is connected with the output end of the power mechanism;

the second synchronizing wheel is arranged on one side, close to the opening, of the interior of the shell and is in transmission connection with the tray;

and the synchronous belt is used for connecting the first synchronous wheel and the second synchronous wheel.

Specifically, the end of the housing having the opening is a front end, and the end opposite to the opening is a rear end. The second synchronizing wheel is positioned on one side of the shell, which is close to the opening, and is connected with the tray, so that a power output point can move forwards from the rear end to the front end of the shell, and the movement stroke of the tray which pops forwards can be increased.

Preferably, the transmission mechanism further comprises:

a gear connected with the second synchronizing wheel;

and the rack is meshed with the gear, and the rack is arranged on the tray.

Preferably, the gear and the rack are distributed in a staggered manner in the height direction.

Preferably, the gear is located above the rack.

As a preferred scheme, the battery tray further comprises a first limiting assembly, wherein the first limiting assembly is arranged on the tray and is used for limiting the battery;

and/or, still include the spacing subassembly of second, the spacing subassembly of second set up in the inboard of casing, the spacing subassembly of second is used for spacing the battery.

Preferably, the second limiting assembly comprises an upper guide pressing piece, and the upper guide pressing piece is arranged on a top plate of the shell.

Furthermore, the upper guide pressing piece is an elastic telescopic piece and is used for longitudinally and flexibly limiting the battery and guiding the battery to pop up and retract.

Specifically, the first limiting assembly and the second limiting assembly limit different degrees of freedom of the battery, and the reliability of the battery taking and placing device is improved.

As a preferable scheme, the tray further comprises a sliding guide assembly, the sliding guide assembly is arranged on the shell, and the sliding guide assembly is used for guiding the tray.

Preferably, the sliding guide assembly comprises at least one supporting roller, the supporting roller is arranged at one end of the inner part of the shell close to the opening, and the supporting roller is positioned below the tray;

and/or, the sliding guide assembly comprises at least one sliding rail and a sliding rail supporting plate, the sliding rail is connected with the sliding rail supporting plate in a sliding mode, the sliding rail is arranged on the shell, and the sliding rail supporting plate is connected with the tray.

Preferably, the battery pack further comprises at least two guide rollers, wherein the guide rollers are arranged on the inner side of the side plate of the shell and used for guiding the battery.

Specifically, thick location about battery about first spacing subassembly goes on the tray, and the tray drives the battery and gets into the casing behind the opening, the smart location about the guide roller carries out the battery, has guaranteed the battery and has inserted the accurate nature that the subassembly is connected with the battery.

Preferably, the tray comprises a tray body, and the tray body is provided with a tray body.

Preferably, the sensing in-place assembly comprises a detection plate and a sensor, the detection plate is arranged at the bottom of the tray, the sensor is arranged on the bottom plate of the shell, and the detection plate is used for triggering the sensor.

Specifically, the sensing in-place assembly comprises a tray withdrawing in-place detection assembly and a tray popping in-place detection assembly, the tray withdrawing in-place detection assembly and the tray popping in-place detection assembly respectively comprise a detection plate and a sensor, the tray withdrawing in-place and the tray popping in-place detection assemblies respectively detect the tray withdrawing in-place and popping in-place, the sensor is a non-contact laser sensor, and the sensor can receive position information transmitted by the detection plate and detect whether the tray is in place or not.

In another aspect, a battery compartment is disclosed, which comprises the above battery taking and placing device.

Specifically, the battery taking and placing device can automatically eject and withdraw the battery from the battery compartment, the occupied space for replacing the battery is small, and the miniaturization of the battery compartment is realized.

The invention has the beneficial effects that: the utility model provides a device is put to battery is put, through setting up the tray, the tray with casing sliding connection, the tray is used for bearing the battery, set up in the inside of casing is kept away from the power unit of open-ended one side, power unit is used for the drive the tray is to being close to or keeping away from power unit's direction translation, set up in the inside of casing just is located the drive mechanism of the side of the translation direction of tray, drive mechanism be used for with power unit's power transmission gives the tray. Power unit provides power, and drive mechanism transmits power for the tray, and specifically, drive mechanism's rack drives the tray and pops out and withdraws the casing, can realize that the battery pops out automatically and withdraws the battery compartment, and meanwhile, the device configuration is compact, can make full use of the space except that the space that the battery occupy in the battery compartment basically, has saved the required space of battery change, and furtherly, has realized the miniaturization of battery compartment.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Fig. 1 is a first perspective view of a battery pick-and-place apparatus according to an embodiment;

FIG. 2 is an enlarged view of a portion of the portion A shown in FIG. 1;

FIG. 3 is an enlarged view of a portion of the location B shown in FIG. 1;

FIG. 4 is an enlarged view of a portion of the portion C shown in FIG. 1;

FIG. 5 is a schematic diagram illustrating a battery ejection state of the battery compartment according to the embodiment;

fig. 6 is a schematic structural diagram of a battery retraction state of the battery compartment according to the embodiment.

In fig. 1 to 6:

1. a housing; 11. a top plate; 12. a side plate; 13. a base plate; 14. an opening; 15. a back plate;

2. a tray; 21. a tray connecting plate;

3. a power mechanism; 31. a motor; 32. a speed reducer; 33. a speed reducer mounting plate;

4. a transmission mechanism; 41. a first synchronizing wheel; 42. a synchronous belt; 43. a second synchronizing wheel; 44. a synchronizing wheel mounting plate; 45. a gear mounting plate; 46. a gear; 47. a rack; 48. a rack mounting plate; 49. a transmission assembly mounting plate;

5. a first limit component; 51. a left wedge block; 52. a front left limit plate; 53. a front right limiting plate; 54. a right wedge block;

6. a second limiting component; 61. an upper guide pressing member; 62. a rear limiting plate;

7. a sliding guide member; 71. a slide rail; 72. a slide rail support plate; 73. supporting the rollers;

8. a sensing in-place component; 81. detecting a plate; 82. a sensor;

9. a guide roller; 91. mounting a roller; 92. a right guide roller; 93. a left guide roller;

10. a battery connector assembly;

100. a battery.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

The embodiment discloses a battery taking and placing device, as shown in fig. 1, which includes a housing 1, a tray 2, a power mechanism 3 and a transmission mechanism 4, wherein the housing 1 includes an opening 14, and the opening 14 allows a battery 100 to enter and exit the housing 1; the tray 2 is connected with the shell 1 in a sliding way, and the tray 2 is used for bearing a battery 100; the power mechanism 3 is arranged on one side, far away from the opening 14, in the shell 1, and the power mechanism 3 is used for driving the tray 2 to move in a translation direction close to or far away from the power mechanism 3; the transmission mechanism 4 is arranged in the shell 1 and located on the side of the translation direction of the tray 2, and the transmission mechanism 4 is used for transmitting the power of the power mechanism 3 to the tray 2. Power unit 3 exports power to drive mechanism 4, and drive mechanism 4 transmits power for tray 2 and drives tray 2 business turn over casing 1, and tray 2 bears battery 100, can realize that battery 100 auto-eject and withdraw casing 1, and power unit 3 sets up and keeps away from at casing 1 one side of opening 14 to and drive mechanism 4 sets up in casing 1's side, can make full use of the inside battery of casing 1 place the space beyond the position, make the device's structure arrange compactly, can save the battery and get the shared space of putting the device, realized the miniaturization of device.

In this embodiment, the transmission mechanism 4 includes a transmission assembly mounting plate 49, the transmission assembly mounting plate 49 is installed on one of the side plates 12 of the housing 1, the power mechanism 3 includes a speed reducer mounting plate 33, the speed reducer mounting plate 33 is located at a position close to the rear plate 15 inside the housing 1, and the speed reducer mounting plate 33 is connected with the rear end of the transmission assembly mounting plate 49. The power mechanism 3 further comprises a motor 31 and a speed reducer 32, the speed reducer 32 is connected with the motor 31, the speed reducer 32 is installed on a speed reducer installing plate 33, accurate adjustment of output power can be achieved, when the battery taking and placing device works, the speed of each stroke of the device is adjusted, parts damaged by impact due to too high speed can be reduced, and the movement stability and the product reliability of the automatic battery ejecting and recycling device are improved.

In this embodiment, as shown in fig. 5, the transmission mechanism 4 includes a first synchronous wheel 41, a second synchronous wheel 43 and a synchronous belt 42, the first synchronous wheel 41 is connected to the output end of the power mechanism 3; a second synchronous wheel 43 is arranged on one side of the inside of the shell 1 close to the opening 14, and the second synchronous wheel 43 is in transmission connection with the tray 2; the timing belt 42 is used for connecting the first timing wheel 41 and the second timing wheel 43. The first synchronizing wheel 41 and the second synchronizing wheel 43 are mounted on a synchronizing wheel mounting plate 44, the first synchronizing wheel 41 and the second synchronizing wheel 43 are driven by a synchronizing belt 42, the synchronizing wheel mounting plate 44 is mounted at the bottom of a transmission assembly mounting plate 49, and the transmission assembly mounting plate 49 is mounted on the inner side of the side plate 12 of the housing 1. The end of the housing 1 provided with the opening 14 is a front end, and the end opposite to the opening 14 is a rear end. The second synchronizing wheel 43 is located on one side of the housing 1 close to the opening 14 and connected to the tray 2, and the first synchronizing wheel 41 transmits power output by the power mechanism 3 to the second synchronizing wheel 43 through the timing belt 42, so that a power output point can be moved from the rear end of the housing 1 to the front end, and the movement stroke of the tray 2 ejected forward can be increased.

As shown in fig. 2 and 4, the transmission mechanism 4 further includes a gear 46 and a rack 47, and the gear 46 is connected to the second synchronizing wheel 43; the rack 47 is engaged with the gear 46, and the rack 47 is mounted on the tray 2. The gear 46 is mounted on a gear mounting plate 45 and connected with the second synchronizing wheel 43, the gear mounting plate 45 is mounted at the bottom of a transmission assembly mounting plate 49, and the transmission assembly mounting plate 49 is mounted on the side plate 12 inside the housing 1. In addition, the rack 47 is mounted on a rack mounting plate 48 and engaged with the gear 46, and the rack mounting plate 48 is connected to the tray 2 through the tray connecting plate 21. In this embodiment, the gear 46 and the rack 47 are distributed in a staggered manner in the height direction, the gear 46 is located above the rack 47, the second synchronizing wheel 43 drives the gear 46 to rotate, the gear 46 is meshed with the rack 47, the rack 47 converts the rotation motion of the gear 46 into a linear motion, and the rack 47 drives the tray 2 to approach or depart from the power mechanism 3, so that the battery 100 is automatically ejected or retracted. In other embodiments, the power mechanism 3 and the transmission mechanism 4 may be other power sources, such as a combination of an air cylinder and other linear modules, such as a ball screw assembly, for driving the tray 2 into and out of the opening 14 of the housing 1.

In this embodiment, the battery taking and placing device further includes a first limiting assembly 5 and a second limiting assembly 6, the first limiting assembly 5 is disposed on the tray 2, and the first limiting assembly 5 is used for limiting the battery 100; the second limiting component 6 is arranged on the inner side of the shell 1, and the second limiting component 6 is used for limiting the battery 100. In this embodiment, the first limiting component 5 includes a left wedge 51, a front left limiting plate 52, a front right limiting plate 53 and a right wedge 54, on the premise that the housing 1 has one end with the opening 14, the left wedge 51 is installed at the left end of the upper surface of the tray 2, the right wedge 54 is installed at the right end of the upper surface of the tray 2, the front left limiting plate 52 is installed at the left end of the tray 2 close to the opening 14 side of the housing 1, and the front right limiting plate 53 is installed at the right end of the tray 2 close to the opening 14 side of the housing 1. In the process of popping out and putting the battery into the tray 2, the left wedge-shaped block 51 and the right wedge-shaped block 54 can guide the battery, so that the battery is prevented from being dead-pushed, the design precision requirement of the device can be effectively reduced, and the cost of the device is further reduced. The front left limit plate 52 and the front right limit plate 53 can limit the battery 100 on the tray 2 to slide forward, and the placing stability of the battery is improved. The second limit component 6 comprises an upper guide pressing piece 61 and a rear limit plate 62, the rear limit plate 62 is installed on the rear plate 15 inside the shell 1, the tray 2 can be subjected to rear limit of the battery 100, and under the state that the tray 2 is retracted, the front left limit plate 52, the front right limit plate 53 and the rear limit plate 62 are fixed to the front and the rear of the battery together. More, the length of the upper guiding pressing piece 61 in the entering and exiting direction of the battery 100 is equal to the length of the battery, the upper guiding pressing piece 61 is an elastic expansion piece and can be adapted to batteries with different heights, and the upper guiding pressing piece 61 is installed on the top plate 11 inside the shell 1 and used for flexibly limiting the battery 100 and playing a role in guiding.

As shown in fig. 1 and fig. 2, in the present embodiment, the battery taking and placing device further includes a sliding guide assembly 7, the sliding guide assembly 7 is disposed on the housing 1, and the sliding guide assembly 7 is used for guiding the tray 2. Specifically, the sliding guide assembly 7 includes at least one supporting roller 73, the supporting roller 73 is disposed at one end of the inside of the housing 1 near the opening 14, and the supporting roller 73 is located below the tray 2. The sliding guide assembly 7 further comprises two sliding rails 71 and two sliding rail support plates 72, the two sliding rails 71 and the two sliding rail support plates 72 are respectively arranged on two sides of the housing 1, the sliding rails 71 are slidably connected with the sliding rail support plates 72, the sliding rails 71 are arranged on the housing 1, and the sliding rail support plates 72 are connected with the tray 2. Support rollers 73 sets up to be close to in casing 1's bottom plate 13 the one end of opening 14, with tray 2's bottom contact plays direction and supporting role to tray 2 through rolling, slide rail 71 sets up casing 1's inside, slide rail 71 with slide rail backup pad 72 sliding connection, slide rail backup pad 72 passes through tray connecting plate 21 and is connected with tray 2, and tray 2 moves on slide rail 71 through slide rail backup pad 72 under rack 47's drive, and slide rail 71 and slide rail backup pad 72 play the guide role to tray 2, can let tray 2's motion more steady, further let battery 100 insert subassembly 10 with the battery and accurately contact.

As shown in fig. 1 and 6, the battery taking and placing device further includes at least two guide rollers 9, and the guide rollers 9 are disposed on the side plate 12 of the housing 1 for guiding the battery 100. In this embodiment, the guide roller 9 includes a right guide roller 92 and a left guide roller 93, the right guide roller 92 is connected to the right end of the side plate 12 of the housing 1 through a roller mounting plate 91, the left guide roller 93 is connected to the transmission assembly mounting plate 49 through the roller mounting plate 91, and the transmission assembly mounting plate 49 is connected to the left end of the side plate 12 of the housing 1. Under the state is popped out to tray 2, after thick location about going on battery 100 to the left wedge 51 and the right wedge 54 of first spacing subassembly 5, withdraw the in-process at tray 2, the right guide roller 92 and the left guide roller 93 of guide roller 9 roll smart location and guide to battery 100, improve battery 100 and the battery and insert the precision that subassembly 10 is connected, guarantee battery 100's energy supply stability.

As shown in fig. 3, the battery taking and placing device further includes a position sensing assembly 8, and the position sensing assembly 8 is used for detecting the position of the tray 2. The sensing in-place assembly 8 comprises a detection plate 81 and a sensor 82, wherein the detection plate 81 is arranged at the bottom of the tray 2, the sensor 82 is arranged on the bottom plate 13 of the shell 1, and the detection plate 81 is used for triggering the sensor 82. In this embodiment, the detecting plate 81 is L-shaped, the sensor 82 is a non-contact laser sensor, and when one end of the detecting plate 81 is inserted into the groove of the sensor 82, the sensor 82 is triggered. More, the sensing in-place assembly 8 comprises a tray retraction in-place detection assembly and a tray ejection in-place detection assembly, and the tray retraction in-place detection assembly and the tray ejection in-place detection assembly respectively comprise a detection plate 81 and a sensor 82, which can respectively detect the retraction and the ejection of the tray 2, thereby realizing the detection of the position of the battery 100. Of course, in other embodiments, the tray retraction in-place detection assembly and the tray ejection in-place detection assembly may share the same detection plate 81, and the detection plate 81 can cooperate with the sensors 82 disposed at the front end and the rear end of the bottom plate 13 to trigger different sensors 82 in different states, thereby realizing the position recognition of the tray 2.

A battery compartment comprises the battery taking and placing device, on one hand, the power mechanism 3 provides power, the transmission mechanism 4 transmits the power to the tray 2, the rack 47 of the transmission mechanism 4 drives the tray 2 to move on the slide rail 71, the tray 2 can be far away from or close to the power mechanism 3, the tray 2 bears the battery 100, and the battery can be automatically ejected out and retracted into the battery compartment. On the other hand, the power mechanism 3 is arranged on one side of the inside of the shell 1 far away from the opening 14, the transmission mechanism 4 is arranged in the shell 1 and is positioned on the side of the translation direction of the tray 2, the structure is compact, the occupied space of the battery taking and placing device is small, and further, the miniaturization of a battery cabin can be realized.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used in an orientation or positional relationship based on what is shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

In addition, the foregoing is only the preferred embodiment of the present invention and the technical principles applied thereto. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims (10)

1. A battery taking and placing device is characterized by comprising:

a housing including an opening for a battery to enter and exit the housing;

the tray is connected with the shell in a sliding mode and used for bearing a battery;

the power mechanism is arranged on one side, far away from the opening, of the interior of the shell and is used for driving the tray to translate towards the direction close to or far away from the power mechanism;

the transmission mechanism is arranged in the shell and positioned on the side of the translation direction of the tray, and the transmission mechanism is used for transmitting the power of the power mechanism to the tray.

2. The battery pick-and-place device as claimed in claim 1, wherein the transmission mechanism comprises:

the first synchronous wheel is connected with the output end of the power mechanism;

the second synchronizing wheel is arranged on one side, close to the opening, of the interior of the shell and is in transmission connection with the tray;

and the synchronous belt is used for connecting the first synchronous wheel and the second synchronous wheel.

3. The battery pick-and-place device as claimed in claim 2, wherein the transmission mechanism further comprises:

a gear connected with the second synchronizing wheel;

and the rack is meshed with the gear, and the rack is arranged on the tray.

4. The battery pick-and-place device as claimed in claim 3, wherein the gear and the rack are arranged in a staggered manner in the height direction.

5. The battery taking and placing device according to claim 1, further comprising a first limiting assembly, wherein the first limiting assembly is arranged on the tray and used for limiting a battery;

and/or, still include the spacing subassembly of second, the spacing subassembly of second set up in the inboard of casing, the spacing subassembly of second is used for spacing the battery.

6. The battery taking and placing device as claimed in claim 5, wherein the second limiting component comprises an upper guiding pressing piece, and the upper guiding pressing piece is arranged on a top plate of the shell.

7. The device of claim 1, further comprising a sliding guide assembly disposed on the housing, the sliding guide assembly being configured to guide the tray.

8. The battery pick-and-place apparatus according to claim 7, wherein the sliding guide assembly comprises at least one support roller disposed inside the housing near one end of the opening, the support roller being located below the tray;

and/or, the sliding guide assembly comprises at least one sliding rail and a sliding rail supporting plate, the sliding rail is connected with the sliding rail supporting plate in a sliding mode, the sliding rail is arranged on the shell, and the sliding rail supporting plate is connected with the tray.

9. The battery taking and placing device as claimed in claim 1, further comprising at least two guide rollers disposed inside the side plate of the housing for guiding the battery.

10. A battery compartment comprising a battery handling device according to any of claims 1 to 9 for automatically ejecting and retrieving batteries.

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