CN215665534U

CN215665534U - Feeding device

Info

Publication number: CN215665534U
Application number: CN202121718429.6U
Authority: CN
Inventors: 赵军军; 陈金华; 高红艳; 栗婷婷; 李中山
Original assignee: Luxshare Intelligent Manufacture Zhejiang Co Ltd
Current assignee: Luxshare Intelligent Manufacture Zhejiang Co Ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-01-28
Anticipated expiration: 2031-07-27

Abstract

The utility model belongs to the technical field of production equipment, and discloses a feeding device which comprises a supporting mechanism, a guiding mechanism, a feeding mechanism and a lifting mechanism, wherein the guiding mechanism is arranged on the supporting mechanism, and a material taking position is arranged on the guiding mechanism; the feeding mechanism comprises a conveying platform and a feeding bin connected to the output end of the conveying platform, the feeding bin is arranged on the conveying platform in a sliding mode, the conveying platform is configured to move the feeding bin to a feeding position from a waiting position periodically, and the feeding bin can abut against the guide mechanism to form a feeding channel when moving to the feeding position; the lifting mechanism is arranged on the supporting mechanism and is configured to convey the material in the feeding bin at the feeding position to the material taking position in the feeding channel. The feeding mechanism, the lifting mechanism and the guide mechanism are matched to timely feed materials to the material taking position, the non-stop operation is realized, the operation efficiency is high, the cost is low, the materials are prevented from deviating, and the feeding quality and the feeding stability are improved.

Description

Feeding device

Technical Field

The utility model relates to the technical field of production equipment, in particular to a feeding device.

Background

In the computer, communication and consumer electronics product industries, along with the development of the automation industry, a feeding device gradually becomes a carrier for material storage, and the feeding device is an essential link in the product feeding process and has higher operation requirements. The existing feeding device is inconvenient to quickly replace materials, low in operation efficiency and high in labor consumption; and some loading attachment are in the material transportation in-process, and the position of material receives loading attachment mechanical vibration's influence easily and takes place the skew, influences material loading operation quality.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a feeding device which can continuously feed materials, has good stability and high operation quality, is beneficial to realizing non-stop operation and improves the operation efficiency.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a loading device, comprising:

a support mechanism;

the guide mechanism is arranged on the support mechanism, and a material taking position is arranged on the guide mechanism;

the feeding mechanism comprises a conveying platform and a feeding bin connected to the output end of the conveying platform, the feeding bin is arranged on the conveying platform in a sliding mode, the conveying platform is configured to move the feeding bin to a feeding position from a waiting position periodically, and the feeding bin can abut against the guide mechanism to form a feeding channel when moving to the feeding position;

the lifting mechanism is arranged on the supporting mechanism and is configured to convey the material in the feeding bin at the feeding position to the material taking position in the feeding channel.

Preferably, the guide mechanism comprises a plurality of guide pieces arranged on the supporting mechanism, the guide pieces are arranged to form a working bin in an enclosing mode, and the material taking position is located in the working bin.

Preferably, a first groove body is arranged on the end face, facing the working bin, of the guide piece.

Preferably, the conveying platform comprises a base, a first guide rail and a first driving module, the first guide rail and the first driving module are mounted on the base, and the feeding bin is slidably arranged on the first guide rail and is connected to the output end of the first driving module.

Preferably, the first driving module comprises a first driving motor, two first driving wheels and a first driving belt wound on the two first driving wheels, one of the first driving wheels is connected to an output end of the first driving motor, the other one of the first driving wheels is arranged on the base, and the first driving belt is used as an output end and connected to the feeding bin.

Preferably, the feeding bin comprises a bottom plate and a plurality of blocking arms arranged on the bottom plate at intervals, the blocking arms surround the bottom plate to form an accommodating cavity, the bottom plate is arranged on the conveying platform in a sliding mode, and when the bottom plate moves to the feeding position, the blocking arms can abut against the guide mechanism to form the feeding channel.

Preferably, the lifting mechanism comprises a jacking platform, a transmission assembly and a second driving module, the second driving module is arranged on the supporting mechanism, and the jacking platform is connected to the output end of the second driving module through the transmission assembly.

Preferably, the transmission assembly comprises a screw rod and a sleeve which is in threaded connection with the screw rod, the screw rod is rotatably installed on the supporting mechanism and is connected to the output end of the second driving module, and the jacking platform is connected to the sleeve.

Preferably, the second driving module includes a second driving motor, two second driving wheels, and a second transmission belt wound around the two second driving wheels, one of the second driving wheels is connected to an output end of the second driving motor, and the other of the second driving wheels is used as the output end and connected to the screw rod.

Preferably, the jacking platform is connected with the sleeve through a movable block, a second guide rail is arranged on the supporting mechanism, a guide groove is formed in the movable block, and the movable block is arranged on the second guide rail in a sliding mode through the guide groove.

The utility model has the beneficial effects that:

according to the feeding device, the conveying platform of the feeding mechanism is used for periodically moving the feeding bin from the waiting position to the feeding position, so that the lifting mechanism can timely feed the materials in the feeding bin at the feeding position to the taking position, the materials can be conveniently and quickly replaced, the phenomenon that the materials are lacking at the taking position of the guide mechanism is avoided, the feeding device can be further ensured to continuously feed materials, the non-stop operation of automatic equipment is realized, the consumed manpower resources are less, and the operation efficiency is improved; simultaneously at the material loading operation in-process, can form the material loading passageway through the cooperation of guiding mechanism and pay-off storehouse, prevent that hoist mechanism from taking place the skew when transporting the material, promote this loading attachment's material loading operation quality and stability.

Drawings

Fig. 1 is a first schematic structural diagram of a feeding device provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram ii of a feeding device provided in the embodiment of the present invention;

fig. 3 is a schematic structural diagram of a conveying platform of a feeding device provided in an embodiment of the present invention.

In the figure:

100-material;

1-a support mechanism; 11-a second guide rail;

2-a guiding mechanism; 21-a guide; 211-a first tank; 22-a working bin;

3-a feeding mechanism; 31-a conveying platform; 311-a base; 312 — a first guide rail; 313-a first drive module; 3131 — a first drive motor; 3132 — a first drive wheel; 3133 — a first drive belt; 32-a feeding bin; 321-a bottom plate; 3211-a handle; 3212-a connecting member; 3213-a slide block; 322-a catch arm; 3221-a second trough body; 323-a containing cavity;

4-a lifting mechanism; 41-jacking a platform; 411-active block; 412-lift arms; 413-a jacking plate; 4111-a guide groove; 42-a transmission assembly; 421-a screw rod; 422-sleeve; 43-a second drive module; 431-a second drive motor; 432-a second drive wheel; 433 — second drive belt.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar parts throughout or parts having the same or similar functions. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediary, a connection between two elements, or an interaction between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature being in contact not directly but with another feature therebetween. 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 scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1, the embodiment provides a feeding device, which includes a supporting mechanism 1, a guiding mechanism 2, a feeding mechanism 3, and a lifting mechanism 4, where the guiding mechanism 2 is disposed on the supporting mechanism 1, and a material taking position is disposed on the guiding mechanism 2; the feeding mechanism 3 comprises a conveying platform 31 and a feeding bin 32 connected to the output end of the conveying platform 31, the feeding bin 32 is slidably arranged on the conveying platform 31, the conveying platform 31 is configured to periodically move the feeding bin 32 from a waiting position to a feeding position, and the feeding bin 32 can abut against the guide mechanism 2 to form a feeding channel when moving to the feeding position; a lifting mechanism 4 is provided on the support mechanism 1, the lifting mechanism 4 being configured to convey the material 100 in the feeding bin 32 at the feeding position to the material taking position in the feeding channel.

According to the feeding device of the embodiment, the conveying platform 31 of the feeding mechanism 3 is used for periodically moving the feeding bin 32 from the waiting position to the feeding position, so that the lifting mechanism 4 can timely feed the material 100 in the feeding bin 32 at the feeding position to the material taking position of the guide mechanism 2, the material 100 can be conveniently and quickly replaced, the phenomenon that the material 100 is lack at the material taking position of the guide mechanism 2 is avoided, the feeding device can continuously feed materials, the non-stop operation of automatic equipment is realized, the operation efficiency is high, and the consumption of manpower resources is low; meanwhile, in the feeding operation process, a feeding channel can be formed through the matching of the guide mechanism 2 and the feeding bin 32, the deviation of the material 100 in the process of conveying the material 100 by the lifting mechanism 4 is prevented, and the feeding operation quality and stability of the feeding device are improved.

Referring to fig. 1, the guide mechanism 2 includes a plurality of guide members 21 disposed on the support mechanism 1, the plurality of guide members 21 are defined to form a working bin 22, the working bin 22 is used for temporarily storing the material 100 taken by the lifting mechanism 4 from the feeding bin 32, and the material taking position is located in the working bin 22, so that the external device can continuously take the material from the working bin 22, and the non-stop feeding operation of the feeding device is realized.

Alternatively, referring to fig. 1 and 2, a first groove 211 is penetratingly provided on a surface of the guide member 21 facing the working bin 22, and the first groove 211 extends in a guide direction of the second guide rail 11. The first groove body 211 can play a role in protecting and limiting the material 100 in the working bin 22, that is, the material 100 in the working bin 22 can be attached to the wall of the first groove body 211, so that the material 100 is stably placed in the working bin 22; meanwhile, in the process of transferring the material 100 by the lifting mechanism 4, the material 100 slides along the extending direction of the first groove body 211, i.e. the guiding direction of the second guide rail 11, so that the material 100 is prevented from shaking or deviating during the feeding operation.

Referring to fig. 1 and 3, the conveying platform 31 includes a base 311, and a first guide rail 312 and a first driving module 313 which are mounted on the base 311, and the feeding bin 32 is slidably disposed on the first guide rail 312 and connected to an output end of the first driving module 313. Under the driving of the first driving module 313, the feeding bin 32 can be periodically moved from the waiting position to the feeding position along the guiding direction of the first guiding rail 312, so that the subsequent lifting mechanism 4 can move the material 100 from the feeding bin 32 at the feeding position to the taking position.

Optionally, the number of the first guide rails 312 is two, the two first guide rails 312 are arranged on the base 311 in parallel and at intervals, and the feeding bin 32 can be prevented from shaking in the moving process by the arrangement of the two first guide rails 312.

Referring to fig. 3, the first driving module 313 includes a first driving motor 3131, two first driving wheels 3132, and a first driving belt 3133 wound on the two first driving wheels 3132, one first driving wheel 3132 is connected to an output end of the first driving motor 3131, the other first driving wheel 3132 is disposed on the base 311, and the first driving belt 3133 is connected to the feeding bin 32 as an output end. Under the action rotation of the first driving motor 3131, the output end of the first driving motor 3131 drives a first driving wheel 3132 to rotate, so that a first driving belt 3133 wound around the first driving wheel 3132 is driven to move in cooperation with the other first driving wheel 3132; during the movement of the first driving belt 3133, when the first driving motor 3131 is driven in the forward direction, the first driving belt 3133 drives the feeding bin 32 connected thereto to move from the feeding position to the feeding position, and when the first driving motor 3131 is driven in the reverse direction, the first driving belt 3133 drives the feeding bin 32 connected thereto to move from the feeding position to the feeding position, so that the conveying platform 31 periodically moves the feeding bin 32 from the feeding position to the feeding position.

Optionally, the first driving motor 3131 may be a stepping motor, and the first driving belt 3133 may be a synchronous pulley, which is convenient for maintenance, and can avoid accumulated errors, and improve the motion accuracy of the first driving module 313, thereby improving the conveying accuracy of the conveying platform 31 to the feeding bin 32.

Referring to fig. 1 and 2, the feeding bin 32 includes a bottom plate 321 and a plurality of blocking arms 322 spaced apart from the bottom plate 321, the blocking arms 322 surround the bottom plate 321 to form a receiving cavity 323, and the material 100 is placed in the receiving cavity 323. Further, the bottom plate 321 is slidably disposed on the first guide rail 312 of the conveying platform 31, under the driving of the first driving module 313, when the bottom plate 321 moves to the loading position, the blocking arm 322 can abut against the guide part 21 of the guiding mechanism 2, and the accommodating cavity 323 is communicated with the working bin 22 to form a loading channel, so that the lifting mechanism 4 can convey the material 100 along the loading channel, the material 100 is prevented from being deviated when the lifting mechanism 4 conveys the material 100, and the loading operation quality and stability are improved.

Optionally, referring to fig. 1 and fig. 2, a second groove 3221 is disposed on a surface of the blocking arm 322 facing the accommodating cavity 323, the second groove 3221 extends along a guiding direction of the second guide rail 11, and when the bottom plate 321 moves to the feeding position, the second groove 3221 on the blocking arm 322 communicates with the first groove 211 on the guiding member 21, so as to continuously limit the material 100 on the feeding channel. Optionally, referring to fig. 2 and 3, a handle 3211 is disposed on the bottom plate 321 to facilitate connection with an external mechanical power device to move the position of the feeding bin 32, or to facilitate manual movement of the feeding bin 32 by a worker. For example, pulling the feed bin 32 from the waiting position to the replenishment position facilitates replenishment of the material 100 in the feed bin 32 by the operator.

Optionally, referring to fig. 2 and 3, a connecting member 3212 is disposed on the bottom plate 321, and the connecting member 3212 is fixedly connected to the first driving belt 3133, for example, the first driving belt 3133 is fixedly disposed through the connecting member 3212, so that the feeding bin 32 is driven to move when the first driving belt 3133 rotates.

Optionally, referring to fig. 2 and 3, a sliding block 3213 is disposed on the bottom plate 321, and the bottom plate 321 is slidably disposed on the first guide rail 312 through the sliding block 3213. Optionally, a plurality of sliders 3213 are provided, and each first guide rail 312 is configured with two sliders 3213 arranged at an interval from each other, so that the feeding bin 32 and the conveying platform 31 are stably in sliding fit.

Referring to fig. 1 and 2, the lifting mechanism 4 includes a jacking platform 41, a transmission assembly 42 and a second driving module 43, the second driving module 43 is disposed on the supporting mechanism 1, and the jacking platform 41 is connected to an output end of the second driving module 43 through the transmission assembly 42. Under the drive of the second driving module 43, the transmission assembly 42 can drive the jacking platform 41 to periodically move from the loading position to the material taking position, so that the material 100 is periodically conveyed from the feeding bin 32 from the loading position to the material taking position by using the jacking platform 41.

Referring to fig. 1 and 2, the transmission assembly 42 includes a screw 421 and a sleeve 422 screwed to the screw 421, the screw 421 is rotatably mounted on the supporting mechanism 1 and connected to the output end of the second driving module 43, and the output end of the second driving module 43 drives the screw 421 to rotate along the axial direction thereof, so that the sleeve 422 sleeved on the screw 421 moves along the axial direction of the screw 421. The jacking platform 41 is connected to the sleeve 422, and the sleeve 422 moves along the screw 421 to drive the jacking platform 41 to move along the axial direction of the screw 421, so that the jacking platform 41 is periodically moved from the loading position to the material taking position.

Referring to fig. 1 and 2, the second driving module 43 includes a second driving motor 431, two second driving wheels 432, and a second driving belt 433 wound around the two second driving wheels 432, wherein one of the second driving wheels 432 is connected to an output end of the second driving motor 431, and the other of the second driving wheels 432 is connected to the lead screw 421 as an output end. Under the rotation of the second driving motor 431, the output end of the second driving motor 431 drives a second driving wheel 432 to rotate, so as to drive a second driving belt 433 which is wound on the second driving wheel to move, and the second driving belt 433 drives another second driving wheel 432 to rotate, thereby driving a screw 421 connected to another second driving wheel 432 to rotate around the central axis of the screw 421. When the second driving motor 431 is driven to operate in the forward direction, the transmission assembly 42 can drive the jacking platform 41 to move from the loading position to the material taking position, so that the material 100 is transferred from the feeding bin 32 to the material taking position, and the material 100 is replenished to the working bin 22; when the second driving motor 431 performs reverse driving operation, the transmission assembly 42 can drive the jacking platform 41 to move from the material taking position to the material feeding position, and the driving operation process realizes that the transmission assembly 42 drives the jacking platform 41 to periodically move from the material feeding position to the material taking position.

Optionally, the second driving motor 431 can be used as a stepping motor, and the second driving belt 433 can be used as a synchronous pulley, so that the maintenance is facilitated, the accumulated error can be avoided, the movement precision of the second driving module 43 can be improved, the control precision of the lifting mechanism 4 is improved, and the feeding operation quality is improved.

Referring to fig. 1 and 2, the jacking platform 41 is connected to the sleeve 422 through the movable block 411, the support mechanism 1 is provided with a second guide rail 11, and the guide direction of the second guide rail 11 is arranged along the axial direction parallel to the screw 421; the movable block 411 is provided with a guide groove 4111, and the movable block 411 is slidably disposed on the second guide rail 11 through the guide groove 4111. The movable block 411 and the second guide rail 11 are matched to prevent the jacking platform 41 from shifting or shaking during movement, so that the loading operation quality and stability of the loading device are improved.

Optionally, two second guide rails 11 are provided, the two second guide rails 11 are arranged on the supporting mechanism 1 in parallel and at intervals, at least one movable block 411 is configured on each second guide rail 11, and the plurality of movable blocks 411 are respectively connected to the jacking platform 41; the cooperation through two second guide rails 11 and movable block 411 sets up and can further prevent that jacking platform 41 from taking place to rock at the in-process that removes, promotes stability.

Alternatively, referring to fig. 2, the middle of the bottom plate 321 is provided with a through cavity which is communicated to the side of the bottom plate 321 facing the lifting mechanism 4; the jacking platform 41 comprises a lifting arm 412 and a jacking plate 413, the lifting arm 412 is connected to the movable block 411, and the jacking plate 413 is arranged on the lifting arm 412; when the feeding bin 32 moves to the feeding position by the conveying platform 31, the lifting plate 413 can be placed in the through cavity on the bottom plate 321 to bear the material 100 in the feeding bin 32, so as to lift the material 100 and feed the material to the material taking position in the working bin 22 of the guiding mechanism 2.

The feeding device in this embodiment further comprises a control module, and a first monitoring assembly and a second monitoring assembly electrically connected to the control module, wherein the first monitoring assembly is arranged on the jacking platform 41 and used for monitoring the positions of the material 100 on the jacking platform 41 and feeding back monitoring information to the control module, and the second monitoring assembly is arranged on the feeding bin 32 and used for monitoring the position of the feeding bin 32 and feeding back monitoring information to the control module; the first driving motor 3131 and the second driving motor 431 are respectively electrically or signal-connected to the control module, and the feeding operation is completed by the cooperation of the guiding mechanism 2, the feeding mechanism 3 and the lifting mechanism 4. The operation process of loading attachment in this embodiment is as follows: when the first monitoring assembly monitors that the material 100 on the jacking platform 41 at the material taking position is vacant, the control module receives a signal of the first monitoring assembly so as to control the second driving motor 431 to perform reverse driving operation, so that the transmission assembly 42 can drive the jacking platform 41 to move from the material taking position to the material feeding position; when the first monitoring assembly monitors that the jacking platform 41 moves to the loading position, the control module controls the first driving motor 3131 to perform forward driving operation, so that the first driving belt 3133 drives the feeding bin 32 to move from the loading position to the loading position, at this time, the blocking arm 322 and the guide piece 21 abut against each other, and the accommodating cavity 323 is communicated with the working bin 22 to form a loading channel; then, when the second monitoring assembly monitors that the feeding bin 32 moves to the feeding position, the control module controls the second driving motor 431 to perform forward driving operation, so that the transmission assembly 42 can drive the jacking platform 41 to move from the feeding position to the material taking position, so as to transfer the material 100 from the feeding bin 32 to the material taking position for feeding; finally, the control module controls the first driving motor 3131 to perform reverse driving operation, so that the first driving belt 3133 drives the feeding bin 32 to move from the loading position to the waiting position, and supplies the material 100 to the empty feeding bin 32; wherein, the operation of supplying the material 100 to the feeding bin 32 can be as follows: for example, the operator pulls the feeding bin 32 to a feeding position outside the feeding device by the handle 3211 to feed the material 100 to the empty feeding bin 32, and pushes the feeding bin 32 to a waiting position after feeding. And repeating the steps when the first monitoring assembly monitors that the material 100 on the jacking platform 41 at the material taking position is vacant again.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A loading device, comprising:

a support mechanism (1);

the guide mechanism (2) is arranged on the support mechanism (1), and a material taking position is arranged on the guide mechanism (2);

the feeding mechanism (3) comprises a conveying platform (31) and a feeding bin (32) connected to the output end of the conveying platform (31), the feeding bin (32) is arranged on the conveying platform (31) in a sliding mode, the conveying platform (31) is configured to move the feeding bin (32) from a material waiting position to a material loading position periodically, and the feeding bin (32) can abut against the guide mechanism (2) to form a material loading channel when moving to the material loading position;

a lifting mechanism (4) disposed on the support mechanism (1), the lifting mechanism (4) being configured to convey material (100) within the feeding bin (32) at the feeding position to a material taking position in the feeding channel.

2. A loading device according to claim 1, characterized in that the guiding means (2) comprises a plurality of guides (21) arranged on the supporting means (1), a plurality of said guides (21) being enclosed to form a working magazine (22), the material taking position being located inside the working magazine (22).

3. A loading device according to claim 2, characterized in that a first groove body (211) is provided on the end face of the guide (21) facing the working magazine (22).

4. The feeding device according to claim 1, characterized in that the conveying platform (31) comprises a base (311) and a first guide rail (312) and a first driving module (313) which are installed on the base (311), and the feeding bin (32) is slidably arranged on the first guide rail (312) and connected to the output end of the first driving module (313).

5. A loading device according to claim 4, wherein said first driving module (313) comprises a first driving motor (3131), two first driving wheels (3132) and a first driving belt (3133) wound around the two first driving wheels (3132), one of said first driving wheels (3132) being connected to the output of said first driving motor (3131), the other of said first driving wheels (3132) being arranged on said base (311), said first driving belt (3133) being connected as an output to said feeding hopper (32).

6. The feeding device according to claim 1, wherein the feeding bin (32) comprises a bottom plate (321) and a plurality of blocking arms (322) arranged on the bottom plate (321) at intervals, the plurality of blocking arms (322) surround the bottom plate (321) to form a containing cavity (323), the bottom plate (321) is slidably arranged on the conveying platform (31), and when the bottom plate (321) moves to the feeding position, the blocking arms (322) can abut against the guide mechanism (2) to form the feeding channel.

7. The loading device according to claim 1, characterized in that the lifting mechanism (4) comprises a jacking platform (41), a transmission assembly (42) and a second driving module (43), the second driving module (43) is arranged on the supporting mechanism (1), and the jacking platform (41) is connected to the output end of the second driving module (43) through the transmission assembly (42).

8. The feeding device according to claim 7, wherein the transmission assembly (42) comprises a screw rod (421) and a sleeve (422) screwed to the screw rod (421), the screw rod (421) is rotatably mounted on the supporting mechanism (1) and connected to the output end of the second driving module (43), and the jacking platform (41) is connected to the sleeve (422).

9. A feeding arrangement according to claim 8, characterised in that the second driving module (43) comprises a second driving motor (431), two second driving wheels (432) and a second driving belt (433) wound around the two second driving wheels (432), one of the second driving wheels (432) being connected to the output of the second driving motor (431) and the other of the second driving wheels (432) being connected to the screw (421) as the output.

10. A feeding device according to claim 8, characterized in that the jacking platform (41) is connected to the casing (422) through a movable block (411), a second guide rail (11) is arranged on the supporting mechanism (1), a guide groove (4111) is arranged on the movable block (411), and the movable block (411) is slidably arranged on the second guide rail (11) through the guide groove (4111).