Unloading device

Abstract

The present invention provides an unloading device for unloading a liquid bag installed on a turntable and located on the outer peripheral side of the turntable, the liquid bag comprising a bag body and a fixing head, the bag body being mounted on the turntable through the fixing head; the unloading device comprising: a carrying mechanism arranged on one side of the turntable close to the unloading station, the carrying mechanism comprising a carrying frame and a lifting assembly movably arranged on the carrying frame in a vertical direction, the fixing head comprising a plurality of positioning holes, and a part of the lifting assembly being used to be inserted into the corresponding plurality of positioning holes so as to unload the liquid bag from the turntable through the movement of the lifting assembly; a guiding mechanism comprising a guide rail extending in a predetermined direction and a slider assembly movably arranged on the guide rail, one end of the guide rail extending to the unloading station, and the other end of the guide rail extending to the entrance of the conveying line, the slider assembly being connected to the carrying mechanism to drive the carried mechanism and the unloaded liquid bag to move, so as to solve the problem of low unloading efficiency of the liquid bag located on the turntable in the prior art.

Description

Technical Field

[0001] The present invention relates to the technical field of liquid bag transportation, in particular to an unloading device. Background Art

[0002] With the development of industry, more and more automated equipment has entered every aspect of the machinery field.

[0003] The liquid bag in the prior art is installed on a turntable to rotate between various stations of the automated equipment. After the rotation is completed, the liquid bag needs to be unloaded from the turntable and transported to the next link.

[0004] However, current liquid bags are disassembled manually, which has low work efficiency and is prone to causing adverse effects on the liquid bags during the disassembly process, such as damage to the liquid bags and even leakage of the liquid bags. Summary of the Invention

[0005] The main purpose of the present invention is to provide an unloading device to solve the problem of low unloading efficiency of liquid bags located on a turntable in the prior art.

[0006] In order to achieve the above-mentioned objectives, the present invention provides an unloading device for unloading a liquid bag installed on a turntable and located on the outer peripheral side of the turntable, the liquid bag including a bag body and a fixed head, and the bag body is installed on the turntable through the fixed head; the unloading device includes: a carrying mechanism, the carrying mechanism is arranged on a side of the turntable close to the unloading station, the carrying mechanism includes a carrying frame and a lifting assembly movably arranged on the carrying frame in a vertical direction, the fixed head includes a plurality of positioning holes, and part of the lifting assembly is used to be inserted into the corresponding plurality of positioning holes so that the liquid bag can be unloaded from the turntable through the movement of the lifting assembly; a guiding mechanism, the guiding mechanism includes a guide rail extending in a predetermined direction and a slider assembly movably arranged on the guide rail, one end of the guide rail extends to the unloading station, and the other end of the guide rail extends to the entrance of the conveyor line, and the slider assembly is connected to the carrying mechanism to drive the carrying mechanism and the liquid bag unloaded by the carrying mechanism to move; a power device, drivingly connected to the slider assembly to drive the slider assembly to move.

[0007] Furthermore, the lifting assembly includes a lifting movable plate and a plurality of plug-in shafts arranged above the lifting movable plate, and the plurality of plug-in shafts are used to be inserted into the plurality of positioning holes in a one-to-one correspondence to connect with the liquid bag through the plurality of plug-in shafts.

[0008] Furthermore, the carrier frame includes: a mounting base plate, which is arranged above the slider assembly and below the lifting assembly for connection with the slider assembly; a plurality of fixed legs, which are spaced apart above the mounting base plate and between the lifting movable plate to support the lifting movable plate; a lifting drive unit, which is arranged on the plurality of fixed legs and connected to the lifting movable plate to drive the lifting movable plate and the plurality of plug-in shafts to move relative to the carrier frame.

[0009] Furthermore, the guide mechanism further includes: the guide rail includes an arcuate guide rail and two linear guide rails connected to the arcuate guide rail and respectively located at two ends of the arcuate guide rail.

[0010] Furthermore, the guide mechanism also includes: a guide rail mounting plate, the guide rail mounting plate is parallel to the guide rail, and the guide rail is mounted on the guide rail mounting plate; a plurality of guide rail legs, which are spaced apart on the supporting base surface below the guide rail mounting plate to support the guide rail mounting plate.

[0011] Furthermore, the guide mechanism also includes a transmission assembly located between the power device and the slider assembly, the transmission assembly including: a first transmission assembly, including a first fixed part and a first moving part arranged on the first fixed part, the first fixed part is arranged on the support base surface, and the first moving part is movably arranged along the first direction; a second transmission assembly, including a second fixed part and a second moving part arranged on the second fixed part, the second fixed part is arranged on the first moving part to move along the first direction with the first moving part, and the second moving part is movably arranged along the second direction; a rotation support assembly, including a support fixed part and a support moving part arranged on the support fixed part, the support fixed part is arranged on the second moving part to move along the second direction with the second moving part, the support moving part is connected to the slider assembly and is rotatably arranged around its own center line; wherein, the first moving part or the second fixed part is connected to the power device to move under the drive of the power device, the first direction and the second direction are arranged at a predetermined angle between them and are both parallel to the support base surface, and the rotation axis of the support moving part is perpendicular to the support base surface.

[0012] Furthermore, the first fixed part includes a first guide shaft extending along the first direction and two first support seats arranged on the support base and located at opposite ends of the first guide shaft; the first moving part includes a first sliding block, which is sleeved on the first guide shaft to move along the first guide shaft.

[0013] Furthermore, the second fixed part includes a support plate, a second guide shaft and two second support seats, the support plate is arranged on the first sliding block, the second guide shaft extends along the first direction, and the two second support seats are arranged on the support plate and are respectively located at the opposite ends of the first guide shaft; the second moving part includes a second sliding block, and the second sliding block is sleeved on the second guide shaft to move along the second guide shaft.

[0014] Furthermore, the supporting fixed part includes a sliding block connecting plate and a plurality of rotating support columns, the sliding block connecting plate is arranged on the second sliding block, and the plurality of rotating support columns are arranged on the sliding block connecting plate and contact with the bottom of the slider assembly to support the slider assembly; the supporting moving part includes a rotating connecting shaft, the lower end of the rotating connecting shaft is connected to the sliding block connecting plate, the upper end of the rotating connecting shaft is connected to the slider assembly, and the rotating connecting shaft is rotatably arranged relative to at least one of the sliding block connecting plate and the slider assembly, so that the slider assembly is rotatably arranged relative to the sliding block connecting plate.

[0015] Furthermore, the unloading device also includes a protective cover, which is arranged around the rotation axis of the turntable and is at least partially located below the turntable to enclose a accommodating space. The protective cover also includes an avoidance opening arranged on the side of the turntable close to the supporting mechanism to avoid the unloading action of the supporting mechanism.

[0016] Applying the technical solution of the present invention, the unloading device of the present invention is used to unload a liquid bag installed on a turntable and located on the outer peripheral side of the turntable, the liquid bag including a bag body and a fixed head, and the bag body is installed on the turntable through the fixed head; the unloading device includes: a carrying mechanism, the carrying mechanism is arranged on a side of the turntable close to the unloading station, the carrying mechanism includes a carrying frame and a lifting assembly movably arranged on the carrying frame in a vertical direction, the fixed head includes a plurality of positioning holes, and part of the lifting assembly is used to be inserted into the corresponding plurality of positioning holes to unload the liquid bag from the turntable through the movement of the lifting assembly; a guide mechanism, the guide mechanism includes a guide rail extending in a predetermined direction and a slider assembly movably arranged on the guide rail, one end of the guide rail extends to the unloading station, and the other end of the guide rail extends to the entrance of the conveyor line, the slider assembly is connected to the carrying mechanism to drive the carrying mechanism and the liquid bag unloaded by the carrying mechanism to move; a power device, drivingly connected to the slider assembly to drive the slider assembly to move. In this way, the present invention automatically unloads the liquid bag by setting up an unloading device, thereby improving the work efficiency of unloading the liquid bag, and will not cause adverse effects on the liquid bag during the disassembly process, thereby solving the problem of low unloading efficiency of the liquid bag located on the turntable in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings, which constitute part of this application, are intended to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are intended to explain the present invention and do not constitute an undue limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 It shows a schematic structural diagram of an embodiment of an unloading device according to the present invention when installed between a turntable and a conveyor line;

[0019] Figure 2 A schematic structural diagram of an embodiment of an unloading device according to the present invention when installed on one side of a turntable is shown;

[0020] Figure 3 A schematic structural diagram of an embodiment of an unloading device according to the present invention is shown;

[0021] Figure 4 Shown Figure 3 A side view of the unloading device is shown.

[0022] The above drawings include the following reference numerals:

[0023] 1. Tabletop; 2. Protective cover; 201. Avoidance opening; 3. Liquid bag; 301. Bag body; 302. Fixing head; 4. Turntable; 5. Main bottom plate;

[0024] 6. Guide mechanism; 601. Guide rail legs; 602. Guide rail mounting plate; 603. Guide rail; 604. Trachea fixing seat; 605. Slider assembly; 606. Guide rail connecting plate;

[0025] 7. Carrying mechanism; 701. Mounting base; 702. Fixed legs; 703. Lifting drive unit; 704. Lifting movable plate; 705. Connecting shaft;

[0026] 8. Transmission assembly; 801. Second support base; 802. Support plate; 803. Second sliding block; 804. Second guide shaft; 805. Rotating support column; 806. Sliding block connecting plate; 807. Rotating connecting shaft; 808. First support base; 809. First guide shaft; 810. First sliding block;

[0027] 9. Power unit; 10. Conveyor line. DETAILED DESCRIPTION

[0028] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0029] like Figure 1 and Figure 4As shown, the present invention provides an unloading device for unloading a liquid bag 3 mounted on a turntable 4 and located on the outer peripheral side of the turntable 4. The liquid bag 3 includes a bag body 301 and a fixing head 302. The bag body 301 is mounted on the turntable 4 through the fixing head 302. The unloading device includes: a carrying mechanism 7, which is arranged on a side of the turntable 4 close to the unloading station. The carrying mechanism 7 includes a carrying frame and a lifting component movably arranged on the carrying frame in a vertical direction. The fixing head 302 includes a plurality of positioning holes. Parts of the lifting component are used to be inserted into the corresponding plurality of positioning holes. In the embodiment, the liquid bag 3 is unloaded from the turntable 4 by the movement of the lifting assembly; the guide mechanism 6, the guide mechanism 6 includes a guide rail 603 extending in a predetermined direction and a slider assembly 605 movably arranged on the guide rail 603, one end of the guide rail 603 extends to the unloading station, and the other end of the guide rail 603 extends to the entrance of the conveyor line 10, the slider assembly 605 is connected to the carrying mechanism 7 to drive the carrying mechanism 7 and the liquid bag 3 unloaded by the carrying mechanism 7 to move; the power device 9 is connected to the slider assembly 605 to drive the slider assembly 605 to move.

[0030] In this way, the present invention automatically unloads the liquid bag by setting up an unloading device, thereby improving the work efficiency of unloading the liquid bag, and will not cause adverse effects on the liquid bag during the disassembly process, thereby solving the problem of low unloading efficiency of the liquid bag located on the turntable in the prior art.

[0031] The unloading device of the present invention includes a table panel 1 , a turntable 4 rotatably disposed on the table panel 1 , and the turntable 4 includes a plurality of mounting positions sequentially spaced around its own rotation axis, each mounting position being used to mount a fluid bag 3 .

[0032] like Figure 1 and Figure 4 As shown, the lifting assembly includes a lifting movable plate 704 and a plurality of plug-in shafts 705 arranged above the lifting movable plate 704 . The plurality of plug-in shafts 705 are used to be inserted into the plurality of positioning holes in a one-to-one correspondence to connect with the fluid bag 3 through the plurality of plug-in shafts 705 .

[0033] like Figure 1 and Figure 4 As shown, the carrier frame includes: a mounting base plate 701, which is arranged above the slider assembly 605 and below the lifting assembly for connection with the slider assembly 605; a plurality of fixed legs 702, which are spaced apart above the mounting base plate 701 and between the lifting movable plate 704 to support the lifting movable plate 704; a lifting drive unit 703, which is arranged on the plurality of fixed legs 702 and connected to the lifting movable plate 704 to drive the lifting movable plate 704 and the plurality of plug-in shafts 705 to move relative to the carrier frame.

[0034] Specifically, the lifting drive unit 703 is a cylinder.

[0035] like Figure 1 and Figure 4 As shown, the guide mechanism 6 also includes: the guide rail 603 includes an arcuate guide rail 603 and two linear guide rails 603 connected to the arcuate guide rail 603 and respectively located at both ends of the arcuate guide rail 603, and the slider assembly 605 is a structure that can adapt to both the arcuate guide rail 603 and the linear guide rail 603.

[0036] Specifically, an air pipe fixing seat 604 is provided at one end of the guide rail 603. The air pipe fixing seat 604 is used to fix the air pipe, and the air pipe is used to be connected to the air of the lifting drive part 703 to supply air to the cylinder.

[0037] like Figure 1 and Figure 4 As shown, the guide mechanism 6 also includes: a guide rail mounting plate 602, which is parallel to the guide rail 603, and the guide rail 603 is mounted on the guide rail mounting plate 602; a plurality of guide rail legs 601, which are spaced apart on the supporting base surface below the guide rail mounting plate 602 to support the guide rail mounting plate 602.

[0038] like Figure 1 and Figure 4 As shown, the guide mechanism 6 also includes a transmission assembly 8 located between the power device 9 and the slider assembly 605, and the transmission assembly 8 includes: a first transmission assembly, including a first fixed portion and a first moving portion arranged on the first fixed portion, the first fixed portion is arranged on the support base, and the first moving portion is movably arranged along the first direction; a second transmission assembly, including a second fixed portion and a second moving portion arranged on the second fixed portion, the second fixed portion is arranged on the first moving portion to move along the first direction with the first moving portion, and the second moving portion is movably arranged along the second direction; a rotation support assembly, including a support fixed portion and a support moving portion arranged on the support fixed portion, the support fixed portion is arranged on the second moving portion to move along the second direction with the second moving portion, the support moving portion is connected to the slider assembly 605 and is rotatably arranged around its own center line; wherein, the first moving portion or the second fixed portion is connected to the power device 9 to move under the drive of the power device 9, the first direction and the second direction are arranged at a predetermined angle between them and are both parallel to the support base, and the rotation axis of the support moving portion is perpendicular to the support base.

[0039] Among them, the power output end of the power device 9 is connected to the first moving part or the second fixed part, and the power output direction of the power output end is parallel to the first direction, so as to drive the second moving part and the supporting fixed part to move along the second direction and drive the rotation of the supporting moving part and the slider assembly 605 by pushing the first moving part and the second fixed part to move along the first direction and the limiting guiding effect of the guide mechanism 6, thereby realizing the driving of the slider assembly 605 and the supporting mechanism 7 to move along the guide rail 603.

[0040] Specifically, the guide mechanism 6 further includes a main bottom plate 5 provided on the table panel 1 , and the first fixing portion is provided on the main bottom plate 5 .

[0041] like Figure 1 and Figure 4 As shown, the first fixed part includes a first guide shaft 809 extending along the first direction and two first support seats 808 arranged on the support base and located at opposite ends of the first guide shaft 809; the first moving part includes a first sliding block 810, which is sleeved on the first guide shaft 809 to move along the first guide shaft 809.

[0042] like Figure 1 and Figure 4 As shown, the second fixed part includes a support plate 802, a second guide shaft 804 and two second support seats 801, the support plate 802 is arranged on the first sliding block 810, the second guide shaft 804 extends along the first direction, and the two second support seats 801 are arranged on the support plate 802 and are respectively located at the opposite ends of the first guide shaft 809; the second moving part includes a second sliding block 803, and the second sliding block 803 is sleeved on the second guide shaft 804 to move along the second guide shaft 804.

[0043] like Figure 1 and Figure 4 As shown, the supporting fixed part includes a sliding block connecting plate 806 and a plurality of rotating support columns 805, the sliding block connecting plate 806 is arranged on the second sliding block 803, and the plurality of rotating support columns 805 are arranged on the sliding block connecting plate 806 and contact the bottom of the slider assembly 605 to support the slider assembly 605; the supporting moving part includes a rotating connecting shaft 807, the lower end of the rotating connecting shaft 807 is connected to the sliding block connecting plate 806, the upper end of the rotating connecting shaft 807 is connected to the slider assembly 605, and the rotating connecting shaft 807 is rotatably arranged relative to at least one of the sliding block connecting plate 806 and the slider assembly 605, so that the slider assembly 605 is rotatably arranged relative to the sliding block connecting plate 806.

[0044] Specifically, the slider assembly 605 includes two guide rail connecting plates 606 located above and below the guide rail 603, respectively. The two guide rail connecting plates 606 are connected by a connecting column. Two groups of rollers are provided between the two guide rail connecting plates 606, which are located on opposite sides of the width direction of the guide rail 603 and are in contact with the guide rail 603. The upper end of the rotating connecting shaft 807 is connected to the guide rail connecting plate 606 located below the guide rail 603, and the upper ends of multiple rotating support columns 805 are also in contact with the guide rail connecting plate 606 located below the guide rail 603.

[0045] like Figure 1 and Figure 2As shown, the unloading device also includes a protective cover 2, which is arranged around the rotation axis of the turntable 4 and is at least partially located below the turntable 4 to enclose a receiving space. The liquid bag 3 rotates with the turntable 4 in the receiving space. The protective cover 2 also includes an avoidance opening 201 arranged on a side of the turntable 4 close to the supporting mechanism 7 to avoid the unloading action of the supporting mechanism 7.

[0046] From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:

[0047] The unloading device of the present invention is used to unload the liquid bag 3 installed on the turntable 4 and located on the outer peripheral side of the turntable 4. The liquid bag 3 includes a bag body 301 and a fixing head 302. The bag body 301 is installed on the turntable 4 through the fixing head 302. The unloading device includes: a carrying mechanism 7, which is arranged on the side of the turntable 4 close to the unloading station. The carrying mechanism 7 includes a carrying frame and a lifting component movably arranged on the carrying frame in the vertical direction. The fixing head 302 includes a plurality of positioning holes. Parts of the lifting component are used to be inserted into the corresponding plurality of positioning holes to pass through The liquid bag 3 is unloaded from the turntable 4 by the movement of the lifting assembly; the guide mechanism 6 includes a guide rail 603 extending in a predetermined direction and a slider assembly 605 movably arranged on the guide rail 603, one end of the guide rail 603 extending to the unloading station, and the other end of the guide rail 603 extending to the entrance of the conveyor line 10. The slider assembly 605 is connected to the supporting mechanism 7 to drive the supporting mechanism 7 and the liquid bag 3 unloaded by the supporting mechanism 7 to move; the power device 9 is connected to the slider assembly 605 to drive the slider assembly 605 to move. In this way, the present invention automatically unloads the liquid bag by providing an unloading device, thereby improving the efficiency of unloading the liquid bag, and will not cause adverse effects on the liquid bag during the unloading process, thereby solving the problem of low unloading efficiency of the liquid bag located on the turntable in the prior art.

[0048] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0049] Unless otherwise specifically stated, the relative arrangement of the parts and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the drawings are not drawn according to actual proportional relationships. The techniques, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the techniques, methods and equipment should be considered as part of the authorization specification. In all examples shown and discussed here, any specific values should be interpreted as being merely exemplary and not as limitations. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following figures, and therefore, once an item is defined in one figure, it does not need to be further discussed in subsequent figures.

[0050] In the description of this application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of this application; the directional words "inside and outside" refer to the inside and outside relative to the outline of each component itself.

[0051] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used herein to describe the spatial positional relationship of a device or feature to other devices or features as shown in the figures. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figures. For example, if the device in the drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0052] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0053] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be within the scope of protection of the present invention.

Claims

1. An unloading device, characterized in that: Used for unloading a liquid bag (3) mounted on a turntable (4) and located on the outer peripheral side of the turntable (4), the liquid bag (3) comprising a bag body (301) and a fixing head (302), the bag body (301) being mounted on the turntable (4) via the fixing head (302); the unloading device comprises: a carrying mechanism (7), the carrying mechanism (7) being arranged on a side of the turntable (4) close to the unloading station, the carrying mechanism (7) comprising a carrying frame and a lifting assembly movably arranged on the carrying frame in a vertical direction, the fixed head (302) comprising a plurality of positioning holes, parts of the lifting assembly being used to be inserted into corresponding ones of the plurality of positioning holes, so that the liquid bag (3) can be unloaded from the turntable (4) by the movement of the lifting assembly; A guide mechanism (6), the guide mechanism (6) comprising a guide rail (603) extending in a predetermined direction and a slider assembly (605) movably arranged on the guide rail (603), one end of the guide rail (603) extending to the unloading station, and the other end of the guide rail (603) extending to the entrance of the conveyor line (10), the slider assembly (605) being connected to the carrying mechanism (7) to drive the carrying mechanism (7) and the liquid bag (3) unloaded by the carrying mechanism (7) to move; a power device (9) drivingly connected to the slider assembly (605) to drive the slider assembly (605) to move; The guide mechanism (6) further includes a transmission assembly (8) located between the power device (9) and the slider assembly (605), wherein the transmission assembly (8) includes: A first transmission assembly includes a first fixed portion and a first moving portion provided on the first fixed portion, wherein the first fixed portion is provided on a supporting base surface, and the first moving portion is provided to be movable along a first direction; a second transmission assembly comprising a second fixed portion and a second moving portion disposed on the second fixed portion, wherein the second fixed portion is disposed on the first moving portion to move along with the first moving portion in the first direction, and the second moving portion is movably disposed in a second direction; A rotary support assembly comprising a support fixing portion and a support moving portion arranged on the support fixing portion, wherein the support fixing portion is arranged on the second moving portion to move along the second direction with the second moving portion, and the support moving portion is connected to the slider assembly (605) and is rotatably arranged around its own center line; wherein the first moving part is connected to the power device (9) to move under the drive of the power device (9), the first direction and the second direction are arranged at a predetermined angle and are both parallel to the supporting base surface, and the rotation axis of the supporting moving part is perpendicular to the supporting base surface; The first fixing portion comprises a first guide shaft (809) extending along the first direction and two first support seats (808) arranged on the support base and respectively located at opposite ends of the first guide shaft (809); The first moving part comprises a first sliding block (810), and the first sliding block (810) is sleeved on the first guide shaft (809) to move along the first guide shaft (809); The second fixing portion comprises a support plate (802), a second guide shaft (804) and two second support seats (801), the support plate (802) is arranged on the first sliding block (810), the second guide shaft (804) extends along the second direction, and the two second support seats (801) are arranged on the support plate (802) and are respectively located at opposite ends of the first guide shaft (809); The second moving part comprises a second sliding block (803), and the second sliding block (803) is sleeved on the second guide shaft (804) to move along the second guide shaft (804); The supporting and fixing portion comprises a sliding block connecting plate (806) and a plurality of rotating support columns (805), wherein the sliding block connecting plate (806) is arranged on the second sliding block (803), and the plurality of rotating support columns (805) are arranged on the sliding block connecting plate (806) and contact the bottom of the slider assembly (605) to support the slider assembly (605); The supporting motion portion includes a rotating connecting shaft (807), the lower end of the rotating connecting shaft (807) is connected to the sliding block connecting plate (806), the upper end of the rotating connecting shaft (807) is connected to the slider assembly (605), and the rotating connecting shaft (807) is rotatably arranged relative to at least one of the sliding block connecting plate (806) and the slider assembly (605), so that the slider assembly (605) is rotatably arranged relative to the sliding block connecting plate (806).

2. The unloading device according to claim 1, characterized in that The lifting assembly comprises a lifting movable plate (704) and a plurality of plug-in shafts (705) arranged above the lifting movable plate (704), wherein the plurality of plug-in shafts (705) are used to be inserted into the plurality of positioning holes in a one-to-one correspondence so as to be connected to the liquid bag (3) via the plurality of plug-in shafts (705).

3. The unloading device according to claim 2, characterized in that: The carrier frame comprises: a mounting base plate (701), the mounting base plate (701) being arranged above the slider assembly (605) and below the lifting assembly for connection with the slider assembly (605); a plurality of fixed legs (702), the plurality of fixed legs (702) being arranged at intervals above the mounting base plate (701) and between the lifting movable plate (704) to support the lifting movable plate (704); A lifting drive unit (703) is provided on the plurality of fixed legs (702) and connected to the lifting movable plate (704) to drive the lifting movable plate (704) and the plurality of plug-in shafts (705) to move relative to the supporting frame.

4. The unloading device according to claim 1, characterized in that: The guide rail (603) comprises an arcuate guide rail and two linear guide rails connected to the arcuate guide rail and respectively located at two ends of the arcuate guide rail.

5. The unloading device according to claim 4, characterized in that: The guide mechanism (6) further comprises: A guide rail mounting plate (602), the guide rail mounting plate (602) being parallel to the guide rail (603), and the guide rail (603) being mounted on the guide rail mounting plate (602); A plurality of guide rail legs (601) are arranged at intervals on a supporting base surface below the guide rail mounting plate (602) to support the guide rail mounting plate (602).

6. The unloading device according to claim 1, characterized in that: The unloading device further comprises a protective cover (2), the protective cover (2) being arranged around the rotation axis of the turntable (4) and at least partially located below the turntable (4) to enclose a receiving space, and the protective cover (2) further comprises an avoidance opening (201) arranged on a side of the turntable (4) close to the supporting mechanism (7) to avoid the unloading action of the supporting mechanism (7).

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