Linkage type drawing stock bin

Abstract

The utility model relates to the technical field of material storage, in particular to a linkage type drawing stock bin which comprises a workpiece sucking and releasing assembly, a linkage type drawing stock bin body and a linkage type drawing stock bin body, and the workpiece sucking and releasing assembly is used for sucking and releasing workpieces; the lifting type material storage platform is located below the workpiece suction and release assembly. The linkage type positioning clamp is located at the side face position of the workpiece sucking and releasing assembly, is lower than the workpiece sucking and releasing assembly and is used for elastically clamping and positioning the workpiece; the driving end of the clamp linear driving mechanism is connected with the linkage type positioning clamp, and the clamp linear driving mechanism is used for driving the linkage type positioning clamp to go in and out of the area under the workpiece suction and release assembly. The linkage type drawing stock bin can effectively solve the problem that the vertical alignment precision of workpieces in an existing lifting type stock bin is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to material storage technical field especially relates to a linkage type pull material bin. BACKGROUND

[0002] In modern industrial production process, the lifting type material bin as an important material storage plays a vital role. The equipment realizes the accurate storage and use of workpieces through the lifting mechanism and is widely used in chemical industry, building materials, grain processing and other industries. However, the existing lifting type material bin has certain limitations in the workpiece storage process.

[0003] Specifically, the existing lifting type material bin often lacks effective accurate positioning system before workpiece storage. This leads to the difficulty in accurate control of the position of the workpiece during the lifting process of the material bin, thereby reducing the vertical alignment accuracy of the workpiece.

[0004] Therefore, it is necessary to improve the existing lifting type material bin to solve the problem of low vertical alignment accuracy of the workpiece.

[0005] The above information disclosed in the background section is only included to enhance the understanding of the background of the present disclosure, and therefore can contain information that is not prior art known to those of ordinary skill in the art at the time of the present disclosure. SUMMARY

[0006] One object of the present utility model is to provide a linkage type pull material bin, which can effectively solve the problem of low vertical alignment accuracy of the workpiece of the existing lifting type material bin.

[0007] To achieve the above object, the utility model provides a linkage type pull material bin, comprising:

[0008] A workpiece suction and release assembly for suctioning and releasing workpieces;

[0009] A lifting type storage platform located below the workpiece suction and release assembly;

[0010] A linkage type positioning clamp located at the side of the workpiece suction and release assembly and below the workpiece suction and release assembly for elastically clamping and positioning the workpiece;

[0011] A clamp linear drive mechanism with a driving end connected to the linkage type positioning clamp for driving the linkage type positioning clamp to enter and exit the area directly below the workpiece suction and release assembly.

[0012] Optionally, the linkage type positioning clamp comprises:

[0013] A positioning bottom plate;

[0014] Two positioning clamping plates, two said positioning clamping plates are arranged to slide along the X direction relative to the positioning base plate, and the ends of the two said positioning clamping plates close to each other are provided with clamping plate rollers;

[0015] Two drive sliding plates, two said drive sliding plates are arranged to slide along the Y direction relative to the positioning base plate, and the ends of the two said drive sliding plates close to each other are each provided with a guide inclined groove for the clamping plate roller to extend into; wherein, the X direction and the Y direction are perpendicular to each other, and each said drive sliding plate is correspondingly provided with a sliding plate spring for driving the corresponding said drive sliding plate to slide away from the other said drive sliding plate.

[0016] Optionally, the ends of the two said positioning clamping plates away from each other are provided with a U-shaped clamping part for clamping and positioning the workpiece;

[0017] The distance between the two said guide inclined grooves on each said drive sliding plate gradually increases in the direction away from the other said drive sliding plate, so that:

[0018] When the two said drive sliding plates are close to each other, the two said U-shaped clamping parts are away from each other to release the workpiece;

[0019] When the two said drive sliding plates are away from each other, the two said U-shaped clamping parts are close to each other to clamp and position the workpiece.

[0020] Optionally, the linkage type positioning clamp further comprises:

[0021] A hook plate limiting piece, the hook plate limiting piece is fixedly arranged on the positioning base plate;

[0022] A rotating hook plate, the rotating hook plate is located below the hook plate limiting piece, one end of the rotating hook plate is rotationally connected with the drive sliding plate, and the other end is provided with a hook part for clamping with the hook plate limiting piece;

[0023] A hook plate torsional spring, the hook plate torsional spring is used to drive the rotating hook plate to rotate upward to clamp with the hook plate limiting piece, so as to limit the two said drive sliding plates to slide away from each other and maintain the clamping state of the workpiece.

[0024] Optionally, it further comprises a discharging mechanism, the discharging mechanism comprises:

[0025] A lifting discharging frame, a plurality of L-shaped discharging plates are arranged on the lifting discharging frame; wherein, the positioning base plate is provided with an avoiding groove corresponding to the position of the L-shaped discharging plate;

[0026] A discharging linear driving mechanism, the driving end of the discharging linear driving mechanism is connected with the lifting discharging frame, and is used to drive the lifting discharging frame to move up and down;

[0027] The unlocking pressure plate is fixed on the lifting and unloading frame and is used to press down on the hook part to release the jamming state between the rotating hook plate and the hook plate limiting member.

[0028] Optionally, the workpiece suction and release assembly is further provided below a slide plate linear drive mechanism for driving the two drive slide plates closer to each other and restoring the engagement state between the rotating hook plate and the hook plate limiting member.

[0029] Optionally, the workpiece suction and release assembly includes a suction and release frame, a plurality of suction nozzles located at the bottom of the suction and release frame, and a suction and release linear drive mechanism that drives the suction and release frame to move up and down.

[0030] Optionally, the lifting storage platform includes a storage plate and a linear drive mechanism for driving the storage plate to move up and down.

[0031] Optionally, it may also include a drawer assembly for removing workpieces from the storage plate.

[0032] Optionally, the drawer assembly includes:

[0033] The U-shaped storage rack has a positioning column at its top corner;

[0034] A drawer linear drive mechanism, the drive end of which is connected to the U-shaped storage rack, is used to drive the U-shaped storage rack to move in and out directly below the storage plate.

[0035] The beneficial effects of this utility model are as follows: It provides a linkage-type pull-out hopper, in which the linkage positioning fixture is initially located outside the workpiece suction and release assembly. When it is necessary to store the workpiece:

[0036] First, place the workpiece on the linkage positioning fixture, which then clamps and positions the workpiece.

[0037] Next, the linear drive mechanism of the fixture transports the linkage positioning fixture along with the workpiece to directly below the workpiece suction and release assembly;

[0038] Then, the workpiece suction and release assembly picks up the workpiece;

[0039] Subsequently, the linear drive mechanism of the clamping fixture drives the linkage positioning clamping fixture back to the outside of the workpiece suction and release assembly; on the one hand, it avoids the workpiece storage, and on the other hand, it can continue to clamp and position the next workpiece.

[0040] Finally, the workpiece suction and release assembly places the workpiece onto the lifting storage platform, which then descends one level to await the next storage.

[0041] Therefore, the linkage pull-out hopper provided by this utility model can effectively solve the problem of low vertical alignment accuracy of workpieces in existing lifting hoppers. Attached Figure Description

[0042] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0043] Figure 1 A schematic diagram of the front structure of the linked pull-out hopper provided for the embodiment;

[0044] Figure 2 A schematic diagram of the rear structure of the linked pull-out hopper provided in the embodiment;

[0045] Figure 3 A schematic diagram of the linkage positioning fixture provided in the embodiment;

[0046] Figure 4 A schematic diagram of the feeding mechanism provided in the embodiment;

[0047] Figure 5 This is a schematic diagram of the structure when the rotating hook plate and the hook plate limiting member are engaged, as provided in the embodiment.

[0048] Figure 6 for Figure 5 An explosion diagram;

[0049] Figure 7 The diagram shows the structure of the workpiece suction and release assembly, the lifting storage platform, and the drawer assembly provided in the embodiment.

[0050] In the picture:

[0051] 1. Workpiece suction and release assembly; 101. Suction and release frame; 102. Suction nozzle; 103. Suction and release linear drive mechanism;

[0052] 2. Lifting storage platform; 201. Storage plate; 202. Storage linear drive mechanism;

[0053] 3. Linkage positioning fixture; 301. Positioning base plate; 302. Positioning clamping plate; 3021. Clamping plate roller; 3022. U-shaped clamping part; 303. Drive slide plate; 3031. Guide groove; 304. Hook plate limiting component; 305. Rotating hook plate; 306. Hook plate torsion spring;

[0054] 4. Fixture linear drive mechanism;

[0055] 5, drawer assembly; 501, U-shaped storage rack; 502, drawer linear drive mechanism; 503, positioning column;

[0056] 6, discharging mechanism; 601, lifting discharging frame; 6011, L-shaped discharging plate; 602, discharging linear drive mechanism; 603, unlocking pressing plate;

[0057] 7, slide plate linear drive mechanism. DETAILED DESCRIPTION

[0058] In the present application, the term "embodiment" means that the specific features, structures or characteristics described in connection with the embodiment can be included in at least one embodiment of the present application. The term "embodiment" appearing in various places in the specification does not necessarily refer to the same embodiment, and does not particularly limit the independence or association between other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, each technical feature mentioned in each embodiment can be combined in any way to form a corresponding implementable technical solution.

[0059] Unless otherwise defined, the meanings of the technical terms used herein are the same as those commonly understood by those skilled in the art to which the present application belongs; the use of related terms herein is only for the purpose of describing specific embodiments, and is not intended to limit the present application.

[0060] In the description of the present application, the phrase "and / or" is a description of the logical relationship between the objects, which means that there can be three relationships, for example, A and / or B, which means that there are three cases: A exists, B exists, and A and B exist at the same time. In addition, the character " / " in this paper generally represents that the front and rear associated objects are a "or" logical relationship.

[0061] In the present application, terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual quantity, primary or secondary or order relationship between the entities or operations.

[0062] Without more limitations, in the present application, the use of "including", "containing", "having" or other similar expressions in the sentence means to cover non-exclusive inclusion, and these expressions do not exclude the presence of other elements in the process, method or product including the described elements, so that the process, method or product including a series of elements can not only include those limited elements, but also include other elements not explicitly listed, or also include the elements inherent to such process, method or product.

[0063] As the same understanding in the "examination guidelines", in the utility model, "greater than", "less than", "exceed" and so on are understood as not including the number; "above", "below", "within" and so on are understood as including the number. In addition, in the description of the embodiments of the utility model, the meaning of "a plurality of" is two or more (including two), and similar expressions related to "a plurality of" are also understood in this way, for example, "a plurality of groups", "a plurality of times" and so on, unless otherwise explicitly specified.

[0064] In the description of the embodiments of the utility model, the spatially related expressions used, such as "center", "longitudinal", "transverse", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "vertical", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and so on, the indicated orientation or position relationship is based on the orientation or position relationship shown in the specific embodiment or the drawing, only for the convenience of describing the specific embodiment of the utility model or for the reader to understand, and is not indicative or implicit that the indicated device or component must have a specific position, a specific orientation, or be constructed or operated in a specific orientation, therefore, it cannot be understood as a limitation on the embodiments of the utility model.

[0065] Unless otherwise explicitly specified or limited, in the description of the embodiments of the utility model, the terms "mounting", "connection", "connection", "fixing", "setting" and so on should be understood broadly. For example, the "connection" can be fixed connection, or detachable connection, or integrated setting; it can be mechanical connection, or electrical connection, or communication connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For the skilled in the art to which the utility model belongs, the specific meaning of the above terms in the embodiments of the utility model can be understood according to the specific circumstances.

[0066] Referring to Figure 1 and Figure 2 , the utility model provides a linkage type pull material bin, including workpiece suction and release assembly 1, lifting type storage platform 2, linkage type positioning clamp 3, clamp linear drive mechanism 4.

[0067] Workpiece suction and release assembly 1 is used to adsorb and release workpiece; lifting type storage platform 2 is located below workpiece suction and release assembly 1; linkage type positioning clamp 3 is located at the side of workpiece suction and release assembly 1, and is lower than workpiece suction and release assembly 1, for the elastic clamping positioning of workpiece; the driving end of clamp linear drive mechanism 4 is connected with linkage type positioning clamp 3, for driving linkage type positioning clamp 3 to enter and exit the area directly below workpiece suction and release assembly 1.

[0068] The linkage type pulling material bin provided by the embodiment is initially located outside the workpiece suction and placing assembly 1, and when it is necessary to perform a storage operation on the workpiece,

[0069] First, the workpiece is placed on the linkage type positioning clamp 3, and the linkage type positioning clamp 3 clamps and positions the workpiece;

[0070] Then, the clamp linear drive mechanism 4 transports the linkage type positioning clamp 3 together with the workpiece to the position directly below the workpiece suction and placing assembly 1;

[0071] Then, the workpiece suction and placing assembly 1 sucks up the workpiece;

[0072] Subsequently, the clamp linear drive mechanism 4 drives the linkage type positioning clamp 3 to return to the outside of the workpiece suction and placing assembly 1; on the one hand, the workpiece storage is avoided, and on the other hand, the next workpiece can be clamped and positioned;

[0073] Finally, the workpiece suction and placing assembly 1 places the workpiece on the lifting type storage platform 2, and the lifting type storage platform 2 is lowered by one layer, waiting for the next storage.

[0074] Therefore, the linkage type pulling material bin can effectively solve the problem of low vertical alignment precision of the workpiece of the existing lifting type material bin.

[0075] Referring to Figure 3 In the embodiment, the linkage type positioning clamp 3 comprises a positioning bottom plate 301, two positioning clamping plates 302 and two drive sliding plates 303.

[0076] The two positioning clamping plates 302 are slidably arranged along the X direction relative to the positioning bottom plate 301, and the end portions of the two positioning clamping plates 302 close to each other are provided with clamping plate rollers 3021; and the end portions of the two positioning clamping plates 302 away from each other are provided with U-shaped clamping portions 3022 for clamping and positioning the workpiece.

[0077] The two drive sliding plates 303 are slidably arranged along the Y direction relative to the positioning bottom plate 301, and the end portions of the two drive sliding plates 303 close to each other are each provided with a guide inclined groove 3031 for the clamping plate roller 3021 to extend into; wherein the X direction and the Y direction are perpendicular to each other, and each drive sliding plate 303 is correspondingly provided with a sliding plate spring for driving the corresponding drive sliding plate 303 to slide away from the other drive sliding plate 303.

[0078] The distance between the two guide inclined grooves 3031 on each drive sliding plate 303 gradually increases in the direction away from the other drive sliding plate 303, so that:

[0079] When the two drive sliding plates 303 are close to each other, the two U-shaped clamping portions 3022 are away from each other to release the workpiece;

[0080] When the two driving sliding plates 303 move away from each other, the two U-shaped clamping portions 3022 move close to each other to clamp the workpiece.

[0081] Referring to Figure 5 and Figure 6 , the linkage positioning clamp 3 further comprises a hook limiting piece 304, a rotating hook 305, and a hook torsional spring 306.

[0082] The hook limiting piece 304 is fixedly arranged on the positioning bottom plate 301. The rotating hook 305 is located below the hook limiting piece 304, one end of the rotating hook 305 is rotationally connected with the driving sliding plate 303, and the other end is provided with a hook portion for clamping with the hook limiting piece 304. The hook torsional spring 306 is used to drive the rotating hook 305 to rotate upward to clamp with the hook limiting piece 304, so as to limit the two driving sliding plates 303 from moving away from each other and keep the clamping state of the workpiece.

[0083] Referring to Figures 4-6 , the linkage pulling material bin further comprises a discharging mechanism 6, the discharging mechanism 6 comprises a lifting discharging frame 601, a discharging linear driving mechanism 602, and an unlocking pressing plate 603.

[0084] The lifting discharging frame 601 is provided with a plurality of L-shaped discharging plates 6011; wherein the positioning bottom plate 301 is provided with a avoiding groove corresponding to the position of the L-shaped discharging plate 6011; the driving end of the discharging linear driving mechanism 602 is connected with the lifting discharging frame 601, for driving the lifting discharging frame 601 to move up and down; the unlocking pressing plate 603 is fixedly arranged on the lifting discharging frame 601, for pressing downward the hook portion to release the clamping state between the rotating hook 305 and the hook limiting piece 304.

[0085] Referring to Figure 7 , the lower side of the workpiece suction and discharge assembly 1 is further provided with a sliding plate linear driving mechanism 7 for driving the two driving sliding plates 303 to move close to each other, and restoring the clamping state between the rotating hook 305 and the hook limiting piece 304.

[0086] The workpiece suction and discharge assembly 1 comprises a suction and discharge frame 101, a plurality of suction nozzles 102 located at the bottom of the suction and discharge frame 101, and a suction and discharge linear driving mechanism 103 for driving the suction and discharge frame 101 to move up and down.

[0087] The lifting type storage platform 2 comprises a storage plate 201 and a storage linear driving mechanism 202 for driving the storage plate 201 to move up and down.

[0088] The linkage type pull-out material bin further comprises a drawer assembly 5 for taking out the workpiece on the storage plate 201. The drawer assembly 5 comprises a U-shaped storage rack 501 and a drawer linear driving mechanism 502. The top corner position of the U-shaped storage rack 501 is provided with a positioning column 503; the driving end of the drawer linear driving mechanism 502 is connected with the U-shaped storage rack 501, and is used for driving the U-shaped storage rack 501 to enter or exit directly below the storage plate 201.

[0089] At the beginning, the position of the L-shaped material placing plate 6011 is higher than that of the positioning bottom plate 301, the hook plate torsional spring 306 drives the rotating hook plate 305 to be clamped with the hook plate limiting piece 304, so that the two U-shaped clamping parts 3022 have a larger space for subsequent placement of the workpiece; the linkage type pull-out material bin provided in the embodiment has the following working process:

[0090] (1) Workpiece placement and preliminary positioning:

[0091] The mechanical arm places the workpiece on the L-shaped material placing plate 6011;

[0092] Then, the material placing linear driving mechanism 602 drives the lifting material placing frame 601 to descend, and then places the workpiece on the positioning bottom plate 301;

[0093] The material placing linear driving mechanism 602 drives the lifting material placing frame 601 to continue to descend, until the unlocking pressing plate 603 presses downwardly on the clamping hook part to release the clamping state between the rotating hook plate 305 and the hook plate limiting piece 304;

[0094] Then, under the elastic force of the slide plate spring, the two driving slide plates 303 are driven to slide away from each other, the clamping plate roller 3021 is guided through the guide inclined groove 3031, and then the two U-shaped clamping parts 3022 are close to each other to clamp and position the workpiece.

[0095] (2) Workpiece transportation and suction:

[0096] The material placing mechanism 6 moves upward, on the one hand, to avoid the lateral movement of the subsequent linkage type positioning clamp 3, and on the other hand, to receive the next workpiece;

[0097] The clamp linear driving mechanism 4 starts to transport the linkage type positioning clamp 3 and the clamped workpiece laterally to the position directly below the workpiece suction and placing assembly 1.

[0098] The suction and placing frame 101 of the workpiece suction and placing assembly 1 descends, and the suction nozzle 102 at the bottom of the suction and placing frame 101 adsorbs the workpiece.

[0099] The slide plate linear driving mechanism 7 extends to drive the two driving slide plates 303 to approach each other, and the two U-shaped clamping parts 3022 to move away from each other to release the workpiece;

[0100] Furthermore, when the linear drive mechanism 7 of the sliding plate extends to its limit position, the rotating hook plate 305 engages with the hook plate limiting member 304 again to maintain the open clamping state so as to receive the workpiece next time.

[0101] (3) Workpiece release and fixture reset:

[0102] When the linear drive mechanism 103 is activated, the suction and release frame 101 of the workpiece suction and release assembly 1 rises, lifting the workpiece from the linkage positioning fixture 3.

[0103] At the same time, the linkage positioning fixture 3 returns to the outside of the workpiece suction and release assembly 1, ready to receive the next workpiece.

[0104] (4) Workpiece storage:

[0105] The workpiece suction and release assembly 1 places the workpiece onto the storage plate 201 of the lifting storage platform 2.

[0106] The linear drive mechanism 202 for material storage is activated, and the material storage plate 201 descends one layer to complete the storage of the workpiece.

[0107] (5) Remove the workpiece:

[0108] As the number of workpieces on the storage plate 201 gradually increases, the storage plate 201 gradually descends. When the storage plate 201 descends to below the U-shaped storage rack 501, the workpieces on the storage plate 201 are transferred to the U-shaped storage rack 501.

[0109] When the drawer linear drive mechanism 502 is activated, it drives the U-shaped storage rack 501 to move outward, thus sending the workpiece out. The operator or automated equipment can then retrieve the workpiece from the U-shaped storage rack 501.

[0110] It should be noted that the linear drive mechanism mentioned in this utility model can be a cylinder, hydraulic cylinder, electric cylinder, or motor lead screw linear module, etc., and the rotary drive mechanism mentioned can be a brushed motor, brushless motor, or rotary cylinder, etc. This utility model does not limit the specific structural form of the linear drive mechanism and the rotary drive mechanism.

[0111] Finally, it should be noted that although the above embodiments have been described in the text and drawings of this application, this should not limit the scope of patent protection of this application. Any technical solutions that are based on the essential concept of this application and utilize the content described in the text and drawings of this application, resulting in equivalent structural or procedural substitutions or modifications, as well as the direct or indirect application of the technical solutions of the above embodiments to other related technical fields, are all included within the scope of patent protection of this application.

Claims

1. A linked pull-out hopper, characterized in that, include: Workpiece suction and release assembly (1), the workpiece suction and release assembly (1) is used to suction and release workpieces; A lifting storage platform (2) is located below the workpiece suction and release assembly (1); Linkage positioning fixture (3) is located on the side of the workpiece suction and release assembly (1) and is lower than the workpiece suction and release assembly (1) for elastically clamping and positioning the workpiece. The clamp linear drive mechanism (4) is connected to the linkage positioning clamp (3) at its drive end, and is used to drive the linkage positioning clamp (3) into and out of the area directly below the workpiece suction and release assembly (1).

2. The linked pull-out hopper according to claim 1, characterized in that, The linkage positioning fixture (3) includes: Positioning base plate (301); Two positioning clamps (302) are slidably disposed relative to the positioning base plate (301) along the X direction, and clamping rollers (3021) are provided at the ends of the two positioning clamps (302) that are close to each other. Two drive slide plates (303) are slidably disposed relative to the positioning base plate (301) along the Y direction, and the ends of the two drive slide plates (303) that are close to each other are provided with guide grooves (3031) into which the clamping roller (3021) extends; wherein the X direction and the Y direction are perpendicular to each other, and each drive slide plate (303) is provided with a corresponding slide plate spring for driving the corresponding drive slide plate (303) to slide away from the other drive slide plate (303).

3. The linked pull-out hopper according to claim 2, characterized in that, The two positioning clamps (302) are provided with U-shaped clamping parts (3022) for clamping and positioning the workpiece at their far ends. The distance between the two guide grooves (3031) on each of the drive slide plates (303) gradually increases in the direction away from the other drive slide plate (303), such that: When the two drive slide plates (303) approach each other, the two U-shaped clamping parts (3022) move away from each other to release the workpiece; When the two drive slide plates (303) move away from each other, the two U-shaped clamping parts (3022) move closer to each other to clamp and position the workpiece.

4. The linked pull-out hopper according to claim 3, characterized in that, The linkage positioning fixture (3) also includes: Hook plate limiting component (304), the hook plate limiting component (304) is fixed on the positioning base plate (301); A rotating hook plate (305) is located below the hook plate limiting member (304). One end of the rotating hook plate (305) is rotatably connected to the drive slide plate (303), and the other end is provided with a hook part for engaging with the hook plate limiting member (304). The hook plate torsion spring (306) is used to drive the rotating hook plate (305) to rotate upward and engage with the hook plate limiting member (304) to restrict the two driving slide plates (303) from sliding away from each other and to maintain the clamping state of the workpiece.

5. The linked pull-out hopper according to claim 4, characterized in that, It also includes a feeding mechanism (6), which includes: A lifting and unloading frame (601) is provided with a plurality of L-shaped unloading plates (6011); wherein, the positioning base plate (301) is provided with a clearance groove corresponding to the position of the L-shaped unloading plate (6011); A linear feeding drive mechanism (602) is provided, the drive end of which is connected to the lifting feeding frame (601) and is used to drive the lifting feeding frame (601) to move up and down. Unlocking plate (603), which is fixed on the lifting and feeding frame (601), is used to press down on the hook part to release the latching state between the rotating hook plate (305) and the hook plate limiting member (304).

6. The linked pull-out hopper according to claim 5, characterized in that, Below the workpiece suction and release assembly (1) is a linear drive mechanism (7) for driving the two drive slides (303) closer to each other and restoring the engagement state between the rotating hook plate (305) and the hook plate limiting member (304).

7. The linked pull-out hopper according to claim 1, characterized in that, The workpiece suction and release assembly (1) includes a suction and release frame (101), a plurality of suction nozzles (102) located at the bottom of the suction and release frame (101), and a suction and release linear drive mechanism (103) that drives the suction and release frame (101) to move up and down.

8. The linked pull-out hopper according to claim 1, characterized in that, The lifting storage platform (2) includes a storage plate (201) and a storage linear drive mechanism (202) that drives the storage plate (201) to move up and down.

9. The linked pull-out hopper according to claim 8, characterized in that, It also includes a drawer assembly (5) for removing workpieces from the storage plate (201).

10. The linked pull-out hopper according to claim 9, characterized in that, The drawer assembly (5) includes: U-shaped storage rack (501), wherein a positioning column (503) is provided at the top corner of the U-shaped storage rack (501); A drawer linear drive mechanism (502) is provided, the drive end of which is connected to the U-shaped storage rack (501) and is used to drive the U-shaped storage rack (501) to move in and out directly below the storage plate (201).

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