Automatic tray feeding and discharging mechanism
By designing the automatic loading and unloading mechanism of the Tray disk, and using the combination of conveying components and transferring components, the existing Tray disk loading and unloading methods are solved, with low efficiency, unification of quality and poor feeding uniformity, and efficient and stable feeding and unified processing quality are achieved.
Patent Information
- Application Number
- CN202421461921.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-25
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-06-25
AI Technical Summary
The existing Tray tray loading and unloading methods are low in efficiency, unavailable in quality, and poor feed uniformity, resulting in high labor costs, high labor intensity and low safety factor.
An automatic loading and unloading mechanism of the Tray disk is designed, including a first conveying component, a second conveying component and a material transfer assembly. The automatic handling and return transportation of the Tray disk is realized by using components such as gantry, drive module, drive component and suction cup module.
It improves processing efficiency, ensures unified standards for processing quality, provides stable and uniform feeding, reduces labor costs, and improves work safety.
Smart Images
Figure CN222757466U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of PCB board processing equipment, and particularly relates to an automatic loading and unloading mechanism for a Tray. Background Art
[0002] Tray, also known as material tray, is a container for holding materials. Currently, the loading and unloading of trays is usually carried out by a single tray or by manually placing or taking out materials from the tray. There are generally the following shortcomings:
[0003] It is inefficient, time-consuming and labor-intensive. It requires employees to feed materials quickly at all times, which is highly dependent on the skills and proficiency of the personnel, increases labor costs, and has high labor intensity and low safety factors. Moreover, the uniformity of feeding is poor, and it is impossible to provide stable and uniform feeding. Utility Model Content
[0004] The utility model provides a tray automatic loading and unloading mechanism, which is used to solve the technical problems in the prior art such as low processing efficiency, inability to completely unify processing quality standards, poor feeding uniformity, and the like.
[0005] In order to achieve the above object, the utility model is implemented through the following technical solutions:
[0006] The present application provides a tray automatic loading and unloading mechanism for loading and unloading trays, comprising:
[0007] A first conveying assembly is configured to input a Tray;
[0008] The second conveying assembly is adjacent to the first conveying assembly and is configured to output a tray.
[0009] The material transfer assembly is located above the first conveying assembly and the second conveying assembly and is configured to transfer the tray of the first conveying assembly to the second conveying assembly.
[0010] Among them, the material moving assembly includes a gantry, a first driving module, a first driving member and a suction cup module, the gantry is fixedly arranged, the first driving module is arranged on the gantry, the first driving member is arranged at the driving end of the first driving module, and the suction cup module is arranged at the driving end of the first driving member; the driving direction of the first driving module is the connecting direction between the first conveying assembly and the second conveying assembly, and the driving direction of the first driving member is the vertical direction.
[0011] The utility model provides an automated mechanism for loading and unloading materials on a Tray. The mechanism includes a first conveying component, a second conveying component, and a material transfer component. During the operation of the mechanism, the first conveying component inputs a Tray full of workpieces, and the processing unit consumes the workpieces in the Tray. The material transfer component transports the Tray to the second conveying component, and the second conveying component returns the Tray for transportation. The material transfer component is composed of a gantry, a first drive module, a first drive component, and a suction cup module. The Tray is grasped in the form of negative pressure adsorption, and driven by the first drive module and the first drive component, the suction cup module can move in a plane space to transport the Tray.
[0012] In some embodiments, the suction cup module includes a suction cup bracket and a plurality of negative pressure suction cups. The suction cup bracket is arranged at the driving end of the first driving member. A plurality of mounting grooves are provided on the end surface of the suction cup bracket corresponding to the plurality of negative pressure suction cups. The plurality of negative pressure suction cups are arranged in the corresponding mounting grooves, and the plurality of negative pressure suction cups can be adjusted.
[0013] Therefore, the suction cup module is composed of the above structure, and a plurality of negative pressure suction cups are distributed on the suction cup bracket in accordance with the shape of the outer contour of the tray, and the negative pressure suction cup is adjustable and can adapt to trays of different shapes.
[0014] In some embodiments, the suction cup module further includes a height sensor, which is disposed on one side of the first driving member, and the height sensor is vertically arranged, and the height sensor cooperates with the Tray plate inductively.
[0015] Therefore, by setting a height sensor to sense the height between the suction cup module and the tray, the suction cup module can stably grasp the tray.
[0016] In some embodiments, the first conveying assembly includes a first conveying belt, a first limiting plate, a second limiting plate, and a first pushing module;
[0017] The first limiting plate and the second limiting plate are respectively arranged at two sides of the first conveyor belt, and the first pushing module is arranged at the tail end of the first conveyor belt and located between the first limiting plate and the second limiting plate.
[0018] Thus, the tray is transported on the first conveyor belt under the limiting action between the first limiting plate and the second limiting plate.
[0019] In some embodiments, the first pusher module includes a second driving member, a first mounting frame and a first lifting plate, the second driving member is fixedly arranged, the first mounting frame is arranged at the driving end of the second driving member, and the first lifting plate is fixed on the first mounting frame.
[0020] Thus, in the first pushing module, the second driving member drives the first mounting frame to move up and down, and the first lifting plate contacts the Tray and applies a lifting force thereto or provides a load-bearing plane therefor.
[0021] In some embodiments, the first conveying assembly further includes two symmetrically distributed first material blocking assemblies, and the two first material blocking assemblies are respectively installed at the lower ends of the outer walls of the first limiting plate and the second limiting plate;
[0022] The first material blocking assembly includes a third driving member and a first baffle plate. The first baffle plate is arranged at the driving end of the third driving member, and the first baffle plate can penetrate the first limiting plate or the second limiting plate.
[0023] Therefore, in the first conveying assembly, when the tray is consuming workpieces in the processing unit, the first material blocking assembly works, and the third driving member drives the first baffle plate to penetrate the first limiting plate or the second limiting plate to block and limit the tray behind to prevent the tray from entering the working end of the first pushing module.
[0024] In some embodiments, the first conveying assembly further includes two symmetrically distributed first stopper assemblies, and the two first material blocking assemblies are respectively installed at the upper edge positions of the first stopper plate and the second stopper plate;
[0025] The first limiting assembly includes a fourth driving member and a first stop bar, wherein the first stop bar is arranged at the driving end of the fourth driving member, and the first stop bar is provided with a first limiting protrusion capable of penetrating the first limiting plate or the second limiting plate.
[0026] Therefore, in the first conveying assembly, when the tray is consuming workpieces in the processing unit, the first material blocking assembly works, and the fourth driving member drives the first limiting protrusion of the first blocking bar to penetrate the first limiting plate or the second limiting plate to limit the height of the tray on the first pushing module.
[0027] In some embodiments, a first limiting strip is provided on the first lifting plate, and the first limiting strip is located on an end surface of the first lifting plate and away from a side of the first conveyor belt;
[0028] The first lifting plate is provided with a plurality of first limiting columns, each of which is in a frustum shape. The tray is provided with limiting holes corresponding to the plurality of first limiting columns, and the inner contour of the limiting holes is also in a frustum shape.
[0029] Therefore, the first limit bar can limit the horizontal position of the Tray in the conveying direction to prevent it from contacting the second driving member; the first limit column and the limit hole cooperate with each other to limit and automatically position to prevent the Tray from shifting during the lifting process.
[0030] In some embodiments, the second conveying assembly includes a second conveying belt, a third limiting plate, a fourth limiting plate and a second pushing module;
[0031] The third limiting plate and the fourth limiting plate are respectively arranged at two sides of the second conveyor belt, and the second pushing module is arranged at the tail end of the second conveyor belt and located between the third limiting plate and the fourth limiting plate.
[0032] Thus, the tray is transported on the second conveyor belt under the limiting action between the third limiting plate and the fourth limiting plate.
[0033] In some embodiments, the second pushing module includes a fifth driving member, a second mounting frame and a second lifting plate, the fifth driving member is fixedly arranged, the second mounting frame is arranged at the driving end of the fifth driving member, and the second lifting plate is fixed on the second mounting frame.
[0034] Thus, in the second pushing module, the fifth driving member drives the second mounting frame to move up and down, and the second lifting plate contacts the Tray and applies a lifting force thereto or provides a load-bearing plane therefor.
[0035] The beneficial effects of the utility model are specifically manifested as follows: the mechanism can replace manual loading and unloading, improve processing efficiency, ensure uniform processing quality standards, and be suitable for large-scale production. The mechanism can improve work efficiency, does not require employee intervention, and reduces labor costs; the mechanism can provide stable and uniform material supply. BRIEF DESCRIPTION OF THE DRAWINGS
[0036] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0037] Figure 1 A three-dimensional structural schematic diagram of an automatic loading and unloading mechanism for a Tray provided in an embodiment of the utility model.
[0038] Figure 2 for Figure 1 A schematic diagram of the structure of an automatic loading and unloading mechanism for a tray from a top view is shown.
[0039] Figure 3 for Figure 1 A schematic diagram of the three-dimensional structure of a material moving component in an automatic loading and unloading mechanism of a tray is shown.
[0040] Figure 4 for Figure 1The figure shows a three-dimensional structural schematic diagram of a first conveying component in an automatic loading and unloading mechanism for a tray.
[0041] Figure 5 for Figure 4 A schematic diagram of the exploded three-dimensional structure of the first lifting plate-Tray in the first conveying assembly is shown.
[0042] Figure 6 for Figure 1 The figure shows a three-dimensional structural schematic diagram of a second conveying component in an automatic loading and unloading mechanism for a tray.
[0043] Numbers in the figure: 100-first conveying assembly, 110-first conveying belt, 120-first limiting plate, 130-second limiting plate, 140-first pushing module, 141-second driving member, 142-first mounting frame, 143-first lifting plate, 144-first limiting bar, 145-first limiting column, 150-first blocking assembly, 151-third driving member, 152-first baffle, 160-first limiting assembly, 161-fourth driving member, 162-first baffle, 163-first limiting bump, 200-second conveying assembly, 210-second conveying belt, 220-third limiting plate, 230-fourth Limiting plate, 240-second pushing module, 241-fifth driving member, 242-second mounting frame, 243-second lifting plate, 250-second blocking assembly, 251-sixth driving member, 252-second baffle, 260-second limiting assembly, 261-seventh driving member, 262-second baffle, 263-second limiting protrusion, 300-material moving assembly, 310-gantry, 320-first driving module, 330-first driving member, 340-suction cup module, 341-first mounting frame, 3411-mounting groove, 342-negative pressure suction cup, 350-height sensor, a-Tray, a1-limiting hole. DETAILED DESCRIPTION
[0044] The embodiments of the present application are described in detail below with reference to the accompanying drawings.
[0045] In the description of the present application, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.
[0046] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise specified, "plurality" means two or more.
[0047] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be welding, bolt connection, or riveting; it can be fixed connection, detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediate medium, or it can be internal communication between two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0048] Combination Figure 1-2 An automatic loading and unloading mechanism for Tray a is used to solve the technical problems of low material changing efficiency and uneven loading and unloading speed in the prior art. An automatic loading and unloading mechanism for Tray a is used for loading and unloading Tray a, and includes a first conveying component 100, a second conveying component 200, and a material moving component 300. The first conveying component 100 and the second conveying component 200 are arranged adjacent to each other, and the conveying directions between the first conveying component 100 and the second conveying component 200 are opposite. The material moving component 300 is located above the first conveying component 100 and the second conveying component 200,
[0049] The first conveying assembly 100 is configured to input Tray plate a; the second conveying assembly 200 is configured to output Tray plate a; and the material transfer assembly 300 is configured to move Tray plate a of the first conveying assembly 100 to the second conveying assembly 200 .
[0050] During the operation of the mechanism, the first conveying assembly 100 inputs Tray a full of workpieces, and the processing unit consumes all the workpieces in Tray a; the material transfer assembly 300 transports Tray a to the second conveying assembly 200, and the second conveying assembly 200 returns Tray a for transportation.
[0051] Combination Figure 3The material moving assembly 300 includes a gantry 310, a first driving module 320, a first driving member 330 and a suction cup module 340. The gantry 310 is fixedly arranged, the first driving module 320 is arranged on the gantry 310, the first driving member 330 is arranged at the driving end of the first driving module 320, and the suction cup module 340 is arranged at the driving end of the first driving member 330; the driving direction of the first driving module 320 is the connecting direction between the first conveying assembly 100 and the second conveying assembly 200, and the driving direction of the first driving member 330 is the vertical direction.
[0052] The material transfer assembly 300 is composed of a gantry 310, a first drive module 320, a first drive member 330 and a suction cup module 340. Tray a is grasped by negative pressure adsorption, and the suction cup module 340 can move in a plane space under the drive of the first drive module 320 and the first drive member 330, so as to carry Tray a. This mechanism can improve work efficiency, does not require employee intervention, and reduces labor costs; this mechanism can provide stable and uniform material supply.
[0053] Combination Figure 3 The suction cup module 340 includes a suction cup bracket 341 and a plurality of negative pressure suction cups 342. The suction cup bracket 341 is arranged at the driving end of the first driving member 330. A plurality of mounting grooves 3411 are arranged on the end surface of the suction cup bracket 341 corresponding to the plurality of negative pressure suction cups 342. The plurality of negative pressure suction cups 342 are arranged in the corresponding mounting grooves 3411, and the plurality of negative pressure suction cups 342 can be adjusted.
[0054] The suction cup module 340 is composed of the above structure, and a plurality of negative pressure suction cups 342 are distributed on the suction cup bracket 341 in accordance with the shape of the outer contour of the Tray a. The negative pressure suction cups 342 are adjustable and can adapt to Trays a of different shapes.
[0055] Combination Figure 3 The suction cup module 340 further includes a height sensor 350, which is disposed on one side of the first driving member 330. The height sensor 350 is disposed vertically and is inductively matched with Tray a. The height sensor 350 is disposed to sense the height between the suction cup module 340 and Tray a, so that the suction cup module 340 can stably grasp Tray a.
[0056] Combination Figure 4The first conveying assembly 100 includes a first conveying belt 110, a first limiting plate 120, a second limiting plate 130 and a first pushing module 140. The first limiting plate 120 and the second limiting plate 130 are respectively arranged at both sides of the first conveying belt 110, and the first pushing module 140 is arranged at the tail end of the first conveying belt 110 and between the first limiting plate 120 and the second limiting plate 130. The tray a is transported on the first conveying belt 110 under the limiting action between the first limiting plate 120 and the second limiting plate 130.
[0057] Combination Figure 4 The first pushing module 140 includes a second driving member 141, a first mounting frame 142 and a first lifting plate 143. The second driving member 141 is fixedly arranged, the first mounting frame 142 is arranged at the driving end of the second driving member 141, and the first lifting plate 143 is fixed on the first mounting frame 142.
[0058] In the first pusher module 140, the second driving member 141 drives the first mounting frame 142 to move up and down, and the first lifting plate 143 contacts the Tray a and applies a lifting force thereto or provides a bearing plane therefor.
[0059] Combination Figure 4 The first conveying component 100 also includes two symmetrically distributed first material blocking components 150, and the two first material blocking components 150 are respectively installed at the lower end positions of the outer walls on the first limiting plate 120 and the second limiting plate 130; the first material blocking component 150 includes a third driving member 151 and a first baffle 152, and the first baffle 152 is arranged at the driving end of the third driving member 151, and the first baffle 152 can penetrate the first limiting plate 120 or the second limiting plate 130.
[0060] In the first conveying assembly 100, when Tray plate a is consuming workpieces in the processing unit, the first blocking assembly 150 works, and the third driving member 151 drives the first baffle plate 152 to penetrate the first limiting plate 120 or the second limiting plate 130 to block and limit the Tray plate a behind to prevent Tray plate a from entering the working end of the first pushing module 140.
[0061] Combination Figure 4 The first conveying assembly 100 further includes two symmetrically distributed first stopper assemblies 160, and the two first material stopper assemblies 150 are respectively installed at the upper edge positions of the first stopper plate 120 and the second stopper plate 130. The first stopper 160 includes a fourth driving member 161 and a first stopper bar 162, wherein the first stopper bar 162 is disposed at the driving end of the fourth driving member 161, and the first stopper bar 162 is provided with a first stopper protrusion 163 capable of penetrating the first stopper plate 120 or the second stopper plate 130.
[0062] In the first conveying assembly 100, when Tray a is consuming workpieces in the processing unit, the first material blocking assembly 150 works, and the fourth driving member 161 drives the first limiting protrusion 163 of the first blocking bar 162 to penetrate the first limiting plate 120 or the second limiting plate 130 to limit the height of Tray a on the first pushing module 140.
[0063] Combination Figure 4-5 The first lifting plate 143 is provided with a first limiting strip 144, which is located on the end surface of the first lifting plate 143 and away from the first conveyor belt 110. The first lifting plate 143 is provided with a plurality of first limiting posts 145, which are in a frustum shape. The tray a is provided with limiting holes a1 corresponding to the plurality of first limiting posts 145, and the inner contour of the limiting holes a1 is also in a frustum shape.
[0064] The first limiting bar 144 can limit the horizontal position of Tray a in the conveying direction to prevent it from contacting the second driving member 141; the first limiting column 145 and the limiting hole a1 cooperate with each other to limit and automatically position to prevent Tray a from displacement during the lifting process.
[0065] Combination Figure 6 The second conveying assembly 200 includes a second conveying belt 210, a third limiting plate 220, a fourth limiting plate 230 and a second pushing module 240. The third limiting plate 220 and the fourth limiting plate 230 are respectively arranged at both sides of the second conveying belt 210, and the second pushing module 240 is arranged at the tail end of the second conveying belt 210 and located between the third limiting plate 220 and the fourth limiting plate 230. The tray a is transported on the second conveying belt 210 under the limiting action between the third limiting plate 220 and the fourth limiting plate 230.
[0066] Combination Figure 6 The second material pushing module 240 includes a fifth driving member 241, a second mounting frame 242 and a second lifting plate 243. The fifth driving member 241 is fixedly arranged, the second mounting frame 242 is arranged at the driving end of the fifth driving member 241, and the second lifting plate 243 is fixed on the second mounting frame 242. In the second material pushing module 240, the fifth driving member 241 drives the second mounting frame 242 to rise and fall, and the second lifting plate 243 contacts with Tray a and applies a lifting force to it or provides a bearing plane for it.
[0067] Combination Figure 6The second conveying assembly 200 further includes two symmetrically distributed second material blocking assemblies 250, which are respectively mounted at the lower end positions of the outer walls of the third limiting plate 220 and the fourth limiting plate 230. The second material blocking assembly 250 includes a sixth driving member 251 and a second baffle 252, the second baffle 252 is disposed at the driving end of the sixth driving member 251, and the second baffle 252 can penetrate the third limiting plate 220 or the fourth limiting plate 230. The second material blocking assembly 250 is similar to the first material blocking assembly 150.
[0068] Combination Figure 6 The second conveying assembly 200 further includes two symmetrically distributed second stopper assemblies 260, and the two second material-blocking assemblies 250 are respectively mounted on the upper edge positions of the third stopper plate 220 and the fourth stopper plate 230. The second stopper 260 includes a seventh driving member 261 and a second stopper bar 262, wherein the second stopper bar 262 is disposed at the driving end of the seventh driving member 261, and the second stopper bar 262 is provided with a second stopper protrusion 263 capable of penetrating the third stopper plate 220 or the fourth stopper plate 230.
[0069] In this embodiment, the structure of the second lifting plate 243 is the same as that of the first lifting plate 143. The second lifting plate 243 is provided with a second limit bar, which is located on the end surface of the second lifting plate 243 and away from the side of the second conveyor belt 210. The second lifting plate 243 is provided with a plurality of second limit posts, which are in the shape of a frustum, and can be matched with the corresponding limit holes a1 on the Tray plate a, and the inner contour of the second limit hole a1 is also in the shape of a frustum.
[0070] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope recorded in the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.
Claims
1. A tray automatic loading and unloading mechanism, used for loading and unloading trays (a), characterized in that: include: A first conveying assembly (100) is configured to input a tray (a); A second conveying assembly (200), disposed adjacent to the first conveying assembly (100), and configured to output the Tray (a); The material transfer assembly (300) is located above the first conveying assembly (100) and the second conveying assembly (200), and is configured to transfer the tray (a) on the first conveying assembly (100) to the second conveying assembly (200); The material moving assembly (300) comprises a gantry (310), a first driving module (320), a first driving member (330) and a suction cup module (340); the gantry (310) is fixedly arranged; the first driving module (320) is arranged on the gantry (310); the first driving member (330) is arranged at a driving end of the first driving module (320); and the suction cup module (340) is arranged at a driving end of the first driving member (330); the driving direction of the first driving module (320) is the connecting direction between the first conveying assembly (100) and the second conveying assembly (200); and the driving direction of the first driving member (330) is a vertical direction.
2. The automatic loading and unloading mechanism for Tray according to claim 1 is characterized in that: The suction cup module (340) comprises a suction cup bracket (341) and a plurality of negative pressure suction cups (342); the suction cup bracket (341) is arranged at the driving end of the first driving member (330); the end surface of the suction cup bracket (341) corresponds to a plurality of mounting grooves (3411) provided on the plurality of negative pressure suction cups (342); the plurality of negative pressure suction cups (342) are arranged in the corresponding mounting grooves (3411); and the plurality of negative pressure suction cups (342) can be adjusted.
3. The automatic loading and unloading mechanism of a tray according to claim 2 is characterized in that: The suction cup module (340) further comprises a height sensor (350), wherein the height sensor (350) is arranged on one side of the first driving member (330), the height sensor (350) is arranged vertically, and the height sensor (350) is inductively matched with the Tray (a).
4. The automatic loading and unloading mechanism for Tray according to claim 1 is characterized in that: The first conveying assembly (100) comprises a first conveying belt (110), a first limiting plate (120), a second limiting plate (130) and a first pushing module (140); The first limiting plate (120) and the second limiting plate (130) are respectively arranged on both sides of the first conveyor belt (110), and the first pushing module (140) is arranged at the tail end of the first conveyor belt (110) and is located between the first limiting plate (120) and the second limiting plate (130).
5. The automatic loading and unloading mechanism for Tray according to claim 4 is characterized in that: The first pushing module (140) comprises a second driving member (141), a first mounting frame (142) and a first lifting plate (143); the second driving member (141) is fixedly arranged; the first mounting frame (142) is arranged at the driving end of the second driving member (141); and the first lifting plate (143) is fixed on the first mounting frame (142).
6. The automatic loading and unloading mechanism for tray according to claim 5 is characterized in that: The first conveying assembly (100) further comprises two symmetrically distributed first material blocking assemblies (150), wherein the two first material blocking assemblies (150) are respectively installed at the lower ends of the outer walls of the first limiting plate (120) and the second limiting plate (130); The first material blocking assembly (150) comprises a third driving member (151) and a first baffle (152), wherein the first baffle (152) is arranged at the driving end of the third driving member (151), and the first baffle (152) can penetrate the first limiting plate (120) or the second limiting plate (130).
7. The automatic loading and unloading mechanism for tray according to claim 6 is characterized in that: The first conveying assembly (100) further comprises two symmetrically distributed first limiting assemblies (160), and the two first material blocking assemblies (150) are respectively installed at the upper edge positions of the first limiting plate (120) and the second limiting plate (130); The first limiting assembly (160) comprises a fourth driving member (161) and a first stop bar (162), wherein the first stop bar (162) is arranged at the driving end of the fourth driving member (161), and the first stop bar (162) is provided with a first limiting protrusion (163) capable of penetrating the first limiting plate (120) or the second limiting plate (130).
8. The automatic loading and unloading mechanism for Tray according to claim 7, characterized in that: The first lifting plate (143) is provided with a first limiting strip (144), and the first limiting strip (144) is located on the end surface of the first lifting plate (143) and away from a side of the first conveyor belt (110); The first lifting plate (143) is provided with a plurality of first limiting columns (145), and the first limiting columns (145) are in a frustum shape. The tray (a) is provided with a plurality of limiting holes (a1) corresponding to the first limiting columns (145), and the inner contour of the limiting holes (a1) is also in a frustum shape.
9. The automatic loading and unloading mechanism for Tray according to claim 8, characterized in that: The second conveying assembly (200) comprises a second conveying belt (210), a third limiting plate (220), a fourth limiting plate (230) and a second pushing module (240); The third limiting plate (220) and the fourth limiting plate (230) are respectively arranged on both sides of the second conveyor belt (210), and the second pushing module (240) is arranged at the tail end of the second conveyor belt (210) and is located between the third limiting plate (220) and the fourth limiting plate (230).
10. The automatic loading and unloading mechanism for trays according to claim 9, characterized in that: The second pushing module (240) includes a fifth driving member (241), a second mounting frame (242) and a second lifting plate (243); the fifth driving member (241) is fixedly arranged; the second mounting frame (242) is arranged at the driving end of the fifth driving member (241); and the second lifting plate (243) is fixed on the second mounting frame (242).