Feeding mechanism and feeding system

Abstract

The utility model provides a feeding mechanism. The feeding mechanism comprises a base plate; the closing door assembly is arranged at the upper part of the base plate and comprises a vertical frame and a door plate; the vertical frame is connected with the base plate, and the door plate is arranged on the vertical frame in a sliding mode. The stock bin assembly is arranged on the base plate in a sliding mode and located below the vertical frame; one end of the connecting rod assembly is rotatably connected with the door plate, and the other end of the connecting rod assembly is rotatably connected with the stock bin assembly, so that when the stock bin assembly is close to the vertical frame, the door plate is far away from the base plate; and when the stock bin assembly is far away from the vertical frame, the door plate is close to the base plate. The feeding mechanism provided by the embodiment of the utility model is labor-saving in operation, high in working efficiency and high in safety coefficient. The utility model further provides a feeding system applying the feeding mechanism.

Description

Technical Field

[0001] The present application relates to a feeding mechanism and a feeding system using the feeding mechanism. Background Art

[0002] With the improvement of production technology, the use of automated equipment is becoming more and more widespread, especially automated equipment that can transfer the materials to be processed from the feeding position to the processing position for automated processing, and transfer the processed workpiece to the finished product position or the next processing step. However, the degree of automation of this type of automated equipment is still limited. For example, it is still necessary to manually replenish the materials to be processed in the equipment. The feeding of common feeding systems is usually done by the operator manually taking the silo out of the feeding system, replenishing the materials in the silo, and then putting the silo back into the feeding system. This process requires the operator to enter the feeding system with his limbs, which makes the operation difficult and unsafe, thereby reducing the efficiency of the automated equipment. Utility Model Content

[0003] In view of the above, it is necessary to provide a feeding mechanism that is simple to operate and safe.

[0004] A feeding mechanism, comprising:

[0005] substrate;

[0006] A closing door assembly is arranged on the upper part of the base plate, and the closing door assembly comprises a stand and a door plate; the stand is connected to the base plate, and the door plate is slidably arranged on the stand;

[0007] a silo assembly, slidably disposed on the base plate and located under the stand, wherein the sliding travel of the silo assembly covers both sides of the closing door assembly; and

[0008] A connecting rod assembly, one end of which is rotatably connected to the door panel, and the other end of which is rotatably connected to the silo assembly, so as to move the door panel away from the base plate when the silo assembly approaches the stand, and move the door panel toward the base plate when the silo assembly moves away from the stand.

[0009] The feeding mechanism provided by the present application is connected to the silo assembly through the connecting rod assembly by setting the door plate of the closed door assembly, so that when the silo assembly moves on the substrate, it can drive the connecting rod assembly to move, and then drive the door plate to move relative to the stand, so as to approach or move away from the substrate. When the silo assembly moves in the direction away from the closed door assembly, the silo assembly drives the connecting rod assembly to move, thereby driving the door plate to move in the direction close to the substrate, so as to close; when the silo assembly moves in the direction close to the closed door assembly, the silo assembly drives the connecting rod assembly to move, thereby driving the door plate to move in the direction away from the substrate, so as to open, and the silo assembly can pass through the stand and reach the other side of the closed door assembly. That is, as the silo assembly moves, the door plate can be opened and closed accordingly, so that there is no need to additionally control the switch of the closed door assembly, so that the operation is labor-saving, the operation efficiency is high, and the safety factor is high.

[0010] In one embodiment, the silo assembly includes a guide rail and a feeding member that are slidably connected; the guide rail is fixed on the base plate.

[0011] In one embodiment, a plurality of limit members are provided on the base plate to limit the silo assembly to a loading position or a material changing position; wherein the silo assembly is slidably provided between the loading position and the material changing position on the base plate.

[0012] In one embodiment, the limiting member includes a fixed portion and a telescopic portion, the fixed portion is fixedly disposed on the substrate, and the telescopic portion is telescopically matched with the fixed portion to hinder the sliding of the silo assembly when the telescopic portion is extended, and to restore the sliding of the silo assembly when the telescopic portion is retracted.

[0013] In one embodiment, the silo assembly further includes a slide groove, a slot slider and a handle; wherein the slide groove is arranged on the feeding member along the sliding direction of the feeding member; the slot slider slides in cooperation with the slide groove; the slot slider is provided with a slot engaged with the telescopic portion; the handle is connected to one end of the slot slider to drive the slot slider to slide when the handle is pulled.

[0014] In one embodiment, the slot slider is limited to the set position of the slide slot by a spring; a lever support portion is also provided on the feeding member; the middle portion of the handle is rotatably connected to the lever support portion; one end of the handle is connected to the slot slider via a brake line.

[0015] In one embodiment, a slot wall of the slot slider is parallel to a corresponding side wall of the telescopic portion.

[0016] In one embodiment, the connecting rod assembly includes a closing door connecting part, a connecting rod part and a silo connecting part; one end of the closing door connecting part is connected to the door panel, and the other end of the closing door connecting part can be rotatably connected to one end of the connecting rod part; the other end of the connecting rod part can be rotatably connected to one end of the silo connecting part; the other end of the silo connecting part is connected to the silo assembly.

[0017] In one embodiment, the closing door assembly further comprises a tension spring portion, one end of the tension spring portion is connected to an end of the stand away from the base plate, and the other end of the tension spring portion is connected to the door panel.

[0018] The present application also provides a feeding system, which comprises:

[0019] The feeding mechanism and automatic feeding equipment as described in any one of the above items; the feeding port of the automatic feeding equipment is arranged on one side of the closed door assembly of the feeding mechanism; the feeding mechanism is used to feed the automatic feeding equipment.

[0020] The feeding system provided in the present application adopts the feeding mechanism in the above-mentioned embodiment, so that when the silo assembly moves from one side of the base plate relative to the closing door assembly to the other side, the door panel can change from a closed state to an open state, and then change from an open state to a closed state after the silo assembly passes, so that the door panel can be opened or closed as the silo assembly moves, thereby eliminating the need for additional control of the switch of the closing door assembly, thereby saving effort in operation, improving work efficiency and having a high safety factor. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the feeding mechanism in the embodiment of the present application.

[0022] Figure 2 for Figure 1 Schematic diagram of the explosion structure.

[0023] Figure 3 It is a schematic diagram of the exploded structure of the closed door assembly in the embodiment of the present application.

[0024] Figure 4 Schematic diagram of the structure of the connecting rod assembly in the embodiment of the present application.

[0025] Figure 5 Schematic diagram of the connection relationship of the connecting rod assembly in the embodiment of the present application.

[0026] Figure 6 It is a schematic diagram of the explosion structure of the silo assembly in the embodiment of the present application.

[0027] Figure 7 It is a structural schematic diagram of the engaging portion in an embodiment of the present application.

[0028] Figure 8 Schematic diagram of the structure of the substrate in the embodiment of the present application.

[0029] Fig. 9 It is a schematic diagram of the explosion structure of the limiting member in the embodiment of the present application.

[0030] Fig.10 It is a schematic diagram of the engagement state of the limit block and the engagement portion in the embodiment of the present application.

[0031] Fig.11 It is a schematic diagram of the disengaged state of the limit block and the engaging portion in the embodiment of the present application.

[0032] Fig.12 This is a schematic diagram of the structure of the silo module in the material changing position in the embodiment of the present application.

[0033] Fig.13 It is a schematic diagram of the structure of the silo module at the loading position in the embodiment of the present application.

[0034] Fig.14 This is a schematic diagram of the structure of the automation equipment in the embodiment of the present application.

[0035] Main component symbols

[0036] Feeding mechanism 100

[0037] Closing door assembly 10

[0038] Door panel 11

[0039] Stand 12

[0040] Through hole 121

[0041] Reinforcement 122

[0042] Extension spring 13

[0043] Fixed frame 131

[0044] Extension spring 132

[0045] Slider 14

[0046] Slide rail 141

[0047] Slider 142

[0048] Connecting rod assembly 20

[0049] Closed door connection part 21

[0050] Connecting rod 22

[0051] Silo connection 23

[0052] Silo assembly 30

[0053] Guide Rail 31

[0054] Slide 311

[0055] Slider 312

[0056] Feeding parts 32

[0057] Connector 321

[0058] Silo parts 33

[0059] Engagement portion 34

[0060] Card slot slider 341

[0061] Groove wall 3411

[0062] Card slot 342

[0063] Brake line 343

[0064] Spring 344

[0065] Handle 345

[0066] Lever support portion 346

[0067] Chute 347

[0068] Substrate 40

[0069] Limiting piece 41

[0070] Fixed portion 411

[0071] Telescopic part 412

[0072] Side wall 4121

[0073] Elastic portion 413

[0074] Capping 414

[0075] Feeding system 200

[0076] Automatic feeding equipment 210

[0077] Feeding port 211

[0078] Material change position A

[0079] Loading position B

[0080] The following specific implementation methods will further illustrate the present application in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0081] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.

[0082] Unless otherwise defined, all technical and scientific terms used in this application have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0083] In order to further explain the technical means and effects adopted by the present application to achieve the intended purpose, the present application is described in detail below in conjunction with the accompanying drawings and preferred implementation methods.

[0084] Please also read Figure 1 and Figure 2 The feeding mechanism 100 provided in the embodiment of the present application comprises: a closing door assembly 10, a connecting rod assembly 20, a silo assembly 30 and a base plate 40. The closing door assembly 10 and the silo assembly 30 are both arranged on the upper part of the base plate 40, and the silo assembly 30 is slidably arranged on the base plate 40, and the sliding stroke of the silo assembly 30 covers both sides of the closing door assembly 10, that is, the silo assembly 30 can pass through the closing door assembly 10, so as to move between the two sides of the closing door assembly 10. One end of the connecting rod assembly 20 is rotatably connected to the closing door assembly 10, and the other end of the connecting rod assembly 20 is rotatably connected to the silo assembly 30. When the silo assembly 60 moves on the base plate 40, it can drive the connecting rod assembly 20 to move.

[0085] Please also read Figure 1 and Figure 3 The closing door assembly 10 includes a door panel 11, a stand 12, a tension spring 13 and a sliding member 14. The stand 12 is disposed on a base plate 40, the door panel 11 is movably connected to the stand 12 via the sliding member 14, one end of the tension spring 13 is disposed at an end of the stand 12 away from the base plate 40, and the other end of the tension spring 13 is connected to the door panel 11.

[0086] Specifically, the stand 12 is arranged perpendicular to the base plate 40, and a through hole 121 is formed on one side of the stand 12 close to the base plate 40, so that the silo assembly 30 can move on both sides of the stand 12 through the through hole 121. The stand 12 can also be provided with a reinforcing rib 122, which is arranged on one side of the stand 12 close to the base plate 40 to strengthen the connection strength between the base plate 40 and the stand 12.

[0087] The sliding member 14 is disposed on the stand 12. Specifically, the sliding member 14 includes a sliding rail 141 and a sliding block 142. The sliding block 142 can move relative to the sliding rail 141. The sliding rail 141 is disposed on the stand 12 and extends in a direction close to or away from the base plate 40. The sliding block 142 is sleeved on the sliding rail 141, so as to move in the direction in which the sliding rail 141 extends. The sliding block 142 is connected to the door panel 11, so as to drive the door panel 11 to move in a direction close to or away from the base plate 40.

[0088] The door panel 11 moves relative to the stand 12 in a direction close to or away from the base plate 40. When the door panel 11 moves toward the direction close to the base plate 40, the end of the door panel 11 close to the base plate 40 can reach a position flush with the base plate 40, and the door panel 11 blocks the through hole 121. When the door panel 11 moves toward the direction away from the base plate 40, the distance between the door panel 11 and the base plate 40 is greater than the size of the silo assembly 30, so that the silo assembly 30 can pass through the through hole 121 between the door panel 11 and the base plate 40.

[0089] In this embodiment, there are two sliding rails 141, which are respectively arranged on opposite sides of the stand 12, and two sliding blocks 142 are respectively arranged on each sliding rail 141, and the two sliding blocks 142 are respectively connected to opposite ends of the door panel 11, so that the four sliding blocks 142 on the two sliding rails 141 can be respectively arranged corresponding to the four corners of the door panel 11, so that the door panel 11 can be more stably connected to the stand 12. In other embodiments, the number of sliding rails 141 and sliding blocks 142 can be increased or decreased according to actual needs, and the specific structure is not repeated here.

[0090] The tension spring member 13 includes a fixing frame 131 and a tension spring 132. The fixing frame 131 is disposed at one end of the stand 12 away from the base plate 40. One end of the tension spring 132 is connected to the fixing frame 131, and the other end is connected to the door panel 11. In other embodiments, the tension spring member 13 may not include the fixing frame 131, and the tension spring 132 is directly connected to the end of the stand 12 away from the base plate 40, which is not limited in the embodiment of the present application.

[0091] There are two tension springs 132, which are respectively disposed at opposite ends of the door panel 11. The tension springs 132 are used to apply a force in a direction away from the substrate 40 to the door panel 11 when the door panel 11 moves toward the substrate 40, thereby assisting the door panel 11 to move in a direction away from the substrate 40. In other embodiments, the number of the tension springs 132 may be one, three or more, and the tension springs 132 may be replaced by other elastic members, which is not limited in the present application.

[0092] See also Figure 4The connecting rod assembly 20 includes a closing door connecting portion 21, a connecting rod portion 22, and a silo connecting portion 23. One end of the closing door connecting portion 21 is connected to the door panel 11, and the other end of the closing door connecting portion 21 can be rotatably connected to one end of the connecting rod portion 22. The other end of the connecting rod portion 22 can be rotatably connected to one end of the silo connecting portion 23, and the other end of the silo connecting portion 23 is connected to the silo assembly 30. The connecting rod portion 22 is a rigid connecting rod. When the silo connecting portion 23 pulls the connecting rod portion 22, the connecting rod portion 22 will move with the silo connecting portion 23, thereby driving the closing door connecting portion 21 to move.

[0093] See also Figure 5 Since the end of the connecting rod 22 that is rotatably connected to the closing door connecting part 21 is stationary relative to the door panel 11, the position of the end of the connecting rod 22 that is connected to the closing door connecting part 21 is fixed in the direction of approaching or moving away from the closing door assembly 10; since the end of the connecting rod 22 that is rotatably connected to the silo connecting part 23 is stationary relative to the silo assembly 30, the position of the end of the connecting rod 22 that is connected to the silo connecting part 23 is fixed in the direction perpendicular to the base plate 40. That is, the two ends of the connecting rod 22 can only move in one direction respectively. When one end of the connecting rod 22 moves, since the connecting rod 22 is a rigid structure, the other end of the connecting rod 22 also moves relatively in the other direction, so that the sliding direction of the silo assembly 30 is coplanar with the sliding direction of the door panel 11.

[0094] For example, when the silo assembly 30 moves in a direction away from the closed door assembly 10, the silo assembly 30 drives the silo connection part 23 to move in a direction away from the closed door assembly 10, and the connecting rod part 22 rotatably connected to the silo connection part 23 drives the closed door connection part 21 to move as the silo connection part 23 moves, thereby driving the door panel 11 to move in a direction close to the base plate 40. When the silo assembly 30 moves in a direction close to the closed door assembly 10, the silo assembly 30 drives the silo connection part 23 to move in a direction close to the closed door assembly 10, and the connecting rod part 22 rotatably connected to the silo connection part 23 drives the closed door connection part 21 to move as the silo connection part 23 moves, thereby driving the door panel 11 to move in a direction away from the base plate 40.

[0095] See also Figure 6, the silo assembly 30 includes a guide rail 31, a feeding member 32, a silo member 33 and a clamping portion 34. The guide rail 31 is connected to the feeding member 32 in a sliding manner, and the guide rail 31 is fixed on the base plate 40. In this embodiment, the guide rail 31 includes a slide rail 311 and a slider 312, the slide rail 311 is connected to the base plate 40, and the slider 312 is connected to the feeding member 32 through a connecting member 321, so that the feeding member 32 moves relative to the base plate 40. In other embodiments, the guide rail 31 may also only include the slide rail 311, and the feeding member 32 is directly connected to the slide rail 311 in a sliding manner. The silo member 33 is arranged on the upper part of the feeding member 32, and the silo member 33 is used to store the material to be transferred. The clamping portion 34 is arranged on the feeding member 32, and is used to enable the silo assembly 30 to be clamped with the base plate 40.

[0096] Specifically, see Figure 7 The engaging part 34 includes a slot slider 341, a gate wire 343, a spring 344, a handle 345, a lever support part 346 and a slide 347. Among them, a slot 342 is provided on the slot slider 341, and the slot 342 is used to engage with the substrate 40. The gate wire 343 connects the handle 345 and the slot slider 341. The handle 345 is connected to one side of the slot slider 341, and is used to pull the gate wire 343 to drive the slot slider 341 to move, thereby controlling the engagement state of the engaging part 34 and the substrate 40. The handle 345 can also be used to drive the hopper assembly 30 to move relative to the substrate 40. The slide 347 of the feeding member 32 is arranged on the feeding member 32 along the sliding direction of the feeding member 32. The slot slider 341 is slidably matched with the slide 347, and is limited to the set position of the slide 347 by the spring 344. The lever support portion 346 is connected to the feeding member 32 , and the middle portion of the handle 345 is rotatably connected to the lever support portion 346 .

[0097] In this embodiment, one end of the brake wire 343 is connected to the card slot slider 341, and the other end is connected to the handle 345. The moving path of the brake wire 343 is fixed. When the handle 345 is pulled, the handle 345 pulls the brake wire 343, and the brake wire 343 moves along the fixed path, thereby driving the card slot slider 341 to move. In other embodiments, the brake wire 343 can also be a rigid structure. When the handle 345 pulls the brake wire 343, the brake wire 343 moves as a whole, thereby driving the card slot slider 341 to move. This application does not limit this.

[0098] See also Figure 8, a refueling position A and a loading position B are defined on the substrate 40. The refueling position A and the loading position B are respectively arranged on both sides of the closed door assembly 10. A plurality of limit members 41 are arranged on the substrate 40, and the limit members 41 are arranged corresponding to the loading position B and the refueling position A to limit the silo assembly 30 to the loading position B or the refueling position A. In this embodiment, the limit members 41 fix the silo assembly 30 by snapping, and in other embodiments, the position of the silo assembly 30 can also be limited by magnetic attraction or snap fasteners, etc., and this application does not limit this.

[0099] See also Fig. 9 The limiting member 41 includes a fixed portion 411, a telescopic portion 412, an elastic portion 413 and a cover 414. The fixed portion 411 is fixed on the substrate 40, and the telescopic portion 412 is telescopically matched with the fixed portion 411 to limit the sliding of the bin assembly 30 when the telescopic portion 412 is extended, and to restore the sliding of the bin assembly 30 when the telescopic portion 412 is retracted. The elastic portion 413 is arranged between the fixed portion 411 and the telescopic portion 412 to resist the telescopic portion 412, so as to keep the telescopic portion 412 in the extended state. The cover 414 is arranged on the side of the fixed portion 411 away from the substrate 40, and is used to encapsulate the elastic portion 413 and part of the telescopic portion 412.

[0100] See also Fig.10 When the silo assembly 30 is engaged with the substrate 40, the telescopic portion 412 is engaged with the slot 342, so that the position of the slot slider 341 is fixed relative to the substrate 40, thereby fixing the relative position of the silo assembly 30 and the substrate 40.

[0101] See also Fig.11 When the handle 345 pulls the gate line 343 to drive the slot slider 341 to move, since the slot wall 3411 of the slot 342 is parallel to the side wall 4121 of the telescopic part 412, when the slot slider 341 moves, the slot wall 3411 will drive the telescopic part 412 to move in a direction away from the slot 342, and finally make the telescopic part 412 disengage from the slot 342, thereby releasing the engagement state between the silo assembly 30 and the base plate 40, so that the silo assembly 30 can move relative to the base plate 40.

[0102] See also Fig.12 When the silo assembly 30 is in the material changing position A, the connecting rod assembly 20 drives the door panel 11 to move toward one side of the base plate 40, so that the door panel 11 blocks the through hole 121 of the stand 12, thereby isolating the two sides of the closed door assembly 10.

[0103] See also Fig.13When the silo assembly 30 is at the loading position B, the connecting rod assembly 20 drives the door panel 11 to move toward one side of the base plate 40, so that the door panel 11 blocks the through hole 121 of the stand 12, thereby isolating the two sides of the closed door assembly 10.

[0104] The specific operation process of the feeding mechanism 100 is further described below.

[0105] For example, the silo assembly 30 is at the loading position B as the initial position. When the silo assembly 30 is at the loading position B, the silo assembly 30 is engaged with the base plate 40. By pulling the handle 345, the silo assembly 30 can be released from the engagement with the base plate 40 and move toward the closing door assembly 10. When the silo assembly 30 moves toward the closing door assembly 10, the silo connection portion 23 drives the connecting rod portion 22 to move, thereby driving the closing door connection portion 21 to move toward the side away from the base plate 40, and then the door panel 11 moves toward the side away from the base plate 40, and finally the silo assembly 30 can pass through the closing door assembly 10 (such as Figure 1 The silo assembly 30 is continuously pulled to move toward the material exchange position A. At this time, the silo connection portion 23 drives the connecting rod portion 22 to move, thereby driving the closing door connection portion 21 to move toward the direction close to the base plate 40, and further driving the door plate 11 to move toward the side close to the base plate 40. After the silo assembly 30 reaches the material exchange position A, the limiting member 41 engages the silo assembly 30, thereby fixing the silo assembly 30 at the material exchange position A.

[0106] The feeding mechanism 100 provided in the embodiment of the present application is configured to link the silo assembly 30 with the closing door assembly 10 through the connecting rod assembly 20, so that the door panel 11 can be opened and closed by moving the silo assembly 30, so that the silo assembly 30 can move on both sides of the closing door assembly 10, and there is no need to additionally control the switch of the closing door assembly 10, thereby saving labor in operation, improving working efficiency and having a high safety factor.

[0107] See also Fig.14 The embodiment of the present application further provides a feeding system 200, which includes the feeding mechanism 100 and the automatic feeding device 210 in the above embodiment. The feeding port 211 of the automatic feeding device 210 is arranged on one side of the closed door assembly 10 of the feeding mechanism 100, and the feeding mechanism 100 is used to receive external materials and feed the automatic feeding device 210.

[0108] Specifically, the silo assembly 30 is used to carry the materials to be processed. When the silo assembly 30 is located at the material changing position A, the operator can place the materials to be processed into the silo component 33. After placing the materials, the silo assembly 30 is moved toward the inside of the feeding system 200. At this time, the connecting rod assembly 20 will drive the door panel 11 to move in a direction away from the base plate 40, so that the silo assembly 30 can pass through the closing door assembly 10 and move to the feeding position B. After moving to the feeding position B, the door panel 11 is closed as the silo assembly 30 moves. At the same time, the silo assembly 30 is fixed at the feeding position B by the limiter 41. At this time, the feeding system 200 can automatically grab the materials to be processed from the silo component 33 to perform the processing procedure. The entire material changing process does not require additional control of the switch of the closing door assembly 10, which saves labor, has high operating efficiency and a high safety factor.

[0109] In practical applications, the automatic loading device 210 may be a conveyor belt, a loading mechanism of a robot arm, or a loading mechanism of a CNC machine, etc. It may be configured according to actual needs and is not limited in the embodiments of the present application.

[0110] Those skilled in the art should recognize that the above embodiments are only used to illustrate the present application and are not intended to be limiting of the present application. As long as they are within the spirit and scope of the present application, appropriate changes and modifications to the above embodiments are within the scope of protection claimed in the present application.

Claims

1. A feeding mechanism, characterized in that: include: substrate; A closed door assembly is arranged on the upper part of the base plate, and comprises a stand and a door plate; the stand is connected to the base plate, and the door plate is slidably arranged on the stand; A silo assembly is slidably disposed on the base plate and is located under the stand; as well as A connecting rod assembly, one end of which is rotatably connected to the door panel, and the other end of which is rotatably connected to the silo assembly, so as to move the door panel away from the base plate when the silo assembly approaches the stand, and move the door panel toward the base plate when the silo assembly moves away from the stand.

2. The feeding mechanism according to claim 1, characterized in that: The silo assembly comprises a guide rail and a feeding member which are connected in a sliding manner; the guide rail is fixed on the base plate.

3. The feeding mechanism according to claim 2, characterized in that: A limiting member is arranged on the base plate to limit the silo assembly to a loading position or a material changing position; wherein the silo assembly is slidably arranged between the loading position and the material changing position on the base plate.

4. The feeding mechanism according to claim 3, characterized in that: The limiting member includes a fixed portion and a telescopic portion; the fixed portion is arranged on the substrate; the telescopic portion and the fixed portion are telescopically matched to hinder the sliding of the silo assembly when the telescopic portion is extended, and restore the sliding of the silo assembly when the telescopic portion is retracted.

5. The feeding mechanism according to claim 4, characterized in that: The hopper assembly also includes a slide groove, a slot slider and a handle; wherein the slide groove is arranged on the feeding member along the sliding direction of the feeding member; the slot slider is slidably matched with the slide groove; the slot slider is provided with a slot engaged with the telescopic part; the handle is connected to one end of the slot slider to drive the slot slider to slide when the handle is pulled.

6. The feeding mechanism according to claim 5, characterized in that: The slot slider is limited to a set position of the slot by a spring; The feeding member is also provided with a lever support portion; the middle portion of the handle is rotatably connected to the lever support portion; one end of the handle is connected to the card slot slider via a brake wire.

7. The feeding mechanism according to claim 6, characterized in that: The groove wall of the groove of the groove slider is parallel to the side wall of the corresponding telescopic part.

8. The feeding mechanism according to claim 1, characterized in that: The connecting rod assembly includes a closing door connecting part, a connecting rod part and a silo connecting part; one end of the closing door connecting part is connected to the door panel, and the other end of the closing door connecting part can be rotatably connected to one end of the connecting rod part; the other end of the connecting rod part can be rotatably connected to one end of the silo connecting part; the other end of the silo connecting part is connected to the silo assembly.

9. The feeding mechanism according to claim 1, characterized in that: The closing door assembly also includes a tension spring portion, one end of which is connected to an end of the stand away from the base plate, and the other end of the tension spring portion is connected to the door panel.

10. A feeding system, characterized in that: include: The feeding mechanism and automatic feeding equipment as described in any one of claims 1 to 9; The feeding port of the automatic feeding device is arranged on one side of the closed door assembly of the feeding mechanism; the feeding mechanism is used to feed the automatic feeding device.

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