Sorting mechanism and certificate making equipment

Abstract

The utility model discloses a sorting mechanism and certificate making equipment, and belongs to the technical field of certificate sorting. The sorting mechanism comprises a conveying belt, a stacking device, a jacking assembly and a guiding assembly, the stacking device comprises a box body and a stacking assembly, the box body is provided with a containing cavity, the box body and the conveying belt jointly define a first opening communicating with the opening, and the stacking assembly can stack at least two certificates located in the containing cavity in the height direction of the box body; the jacking assembly comprises a jacking rod capable of stretching out and drawing back in the height direction of the box body. The guide assembly comprises a guide plate; when the guide plate is in the first state, the guide plate moves into the opening and seals the opening to guide the certificate to move from the first opening to the opening; when the guide plate is in the second state, the guide plate moves out of the opening and exposes the ejector rod, and the ejector rod can penetrate through the opening to move the certificate located in the opening into the containing cavity. According to the utility model, interlayer sliding of certificates can be effectively reduced, and the accuracy and the stability of certificate stacking are improved.

Description

Technical Field

[0001] This utility model relates to the field of document sorting technology, and in particular to a sorting mechanism and document production equipment. Background Technology

[0002] In related technologies, automated sorting of documents typically employs robotic arms to grip and stack the documents using a stacking mechanism. Specifically, this can be achieved by using vacuum suction cups or mechanical grippers to transfer documents from the conveyor line to the stacking station for layering. However, this stacking method is prone to misalignment between layers, overall tilting, and even slippage, severely affecting the stability of the stacking structure. Utility Model Content

[0003] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a sorting mechanism that can effectively reduce inter-layer slippage of documents and improve the accuracy and stability of document stacking.

[0004] This utility model also proposes a certificate-making device that includes the above-mentioned sorting mechanism.

[0005] A sorting mechanism according to a first aspect of the present invention includes: a conveyor belt, a stacking device, a lifting assembly, and a guiding assembly. The conveyor belt is used to transport documents. The stacking device includes a housing and a stacking assembly. The housing has a receiving cavity with an opening facing the conveyor belt. The housing is mounted on the upper side of the conveyor belt and, together with the conveyor belt, defines a first opening communicating with the opening. The stacking assembly is located at the opening and configured to stack at least two documents located in the receiving cavity along the height direction of the housing. The lifting assembly is located on the lower side of the stacking device. The lifting assembly includes a top rod that can extend and retract along the height direction of the housing; the guiding assembly includes a guide plate configured to move into or out of the opening; wherein the guide plate has a first state and a second state, when the guide plate is in the first state, the guide plate can move into the opening and close the opening to guide the document from the first opening to the opening; when the guide plate is in the second state, the guide plate can move out of the opening and expose the top rod, the top rod being able to pass through the opening to move the document located in the opening into the receiving cavity.

[0006] The sorting mechanism according to the embodiments of the present utility model has at least the following beneficial effects:

[0007] The sorting mechanism of this utility model embodiment is equipped with a guide plate that can move into or out of the opening. When the guide plate is in the first state, it can guide the document to move from the first opening to the opening. When the guide plate is in the second state, it can move out of the opening and expose the top rod, so that the top rod can smoothly pass through the opening and accurately push the document located at the opening into the receiving cavity. Then, the documents pushed into the receiving cavity are stacked neatly in sequence by the stacking component. Combined with the box body to constrain the document stack in the receiving cavity, the document stack is stably and accurately limited, reducing the possibility of document displacement and document stacking misalignment, thereby improving the accuracy and stability of document stacking.

[0008] According to some embodiments of the present invention, the guiding assembly further includes a first driver, and two guide plates are provided, which are spaced apart along a direction perpendicular to the conveying direction of the document. The first driver is connected to the two guide plates respectively and is configured to drive the two guide plates to move towards each other or away from each other.

[0009] According to some embodiments of the present invention, the lifting assembly further includes a second driver and a bracket. Multiple top rods are provided, and the multiple top rods are spaced apart on the bracket. The second driver is connected to the multiple top rods respectively. When the guide plate is in the second state, the second driver can drive the multiple top rods to pass through the gap between the two guide plates.

[0010] According to some embodiments of the present invention, the guide assembly further includes a mounting frame, the mounting frame having a mounting groove, the first driver being mounted in the mounting groove, two guide plates being disposed on opposite sides of the mounting frame, a portion of the top rod passing through the mounting groove, and another portion of the top rod being disposed outside the mounting groove and spaced apart from the mounting frame.

[0011] According to some embodiments of the present invention, the housing includes two limiting plates, which are spaced apart along the conveying direction of the document to form the receiving cavity, and the limiting plates are arranged in the up-down direction.

[0012] According to some embodiments of the present invention, the stacking assembly includes a third driver and two drive rods. The two drive rods are respectively arranged in correspondence with the two limiting plates. The drive rods are located on the outside of the corresponding limiting plates. Each drive rod is provided with multiple support members. The limiting plates are provided with multiple through holes penetrating the limiting plates. The multiple support members are respectively arranged in correspondence with the multiple through holes. The third driver can drive the drive rods to move the support members into or out of the receiving cavity along the through holes.

[0013] According to some embodiments of the present invention, the housing further includes two connecting plates spaced apart along the arrangement direction of the two guide plates. The two ends of the connecting plates are respectively connected to the two limiting plates. The two connecting plates and the two limiting plates surround the opening. Each connecting plate is provided with a sliding groove. The guide plate slides in cooperation with the sliding groove. The guide plate is provided with a limiting flange. The limiting flange is used to abut against the connecting plate to stop the guide plate.

[0014] According to some embodiments of the present invention, the box body and the conveyor belt together define a second opening that communicates with the opening. The first opening and the second opening are arranged sequentially along the conveying direction of the document. When the guide plate is in the first state, the guide plate can also guide the document located at the opening to move from the opening to the second opening.

[0015] According to some embodiments of the present invention, the first opening and the second opening are respectively covered with baffles, the baffles being rotatably connected to the box body and capable of opening the first opening or the second opening.

[0016] The certificate-making equipment according to a second aspect of the present invention includes the sorting mechanism described in the first aspect embodiment.

[0017] The certificate-making equipment according to the embodiments of this utility model has at least the following beneficial effects:

[0018] The certificate-making equipment of this utility model adopts the sorting mechanism of the first aspect embodiment. By setting a guide plate that can move into or out of the opening, when the guide plate is in the first state, it can guide the certificate to move from the first opening to the opening; when the guide plate is in the second state, it can move out of the opening and expose the top rod, so that the top rod can smoothly pass through the opening and accurately push the certificate located at the opening into the receiving cavity. Then, the certificates pushed into the receiving cavity are stacked neatly in sequence by the stacking component. Combined with the box body to constrain the stack of certificates in the receiving cavity, the stack of certificates is stably and accurately limited, reducing the possibility of certificate deviation and certificate stacking misalignment, thereby improving the accuracy and stability of certificate stacking, improving the production efficiency of the certificate-making equipment, helping to increase the certificate production output of the certificate-making equipment, and also improving the certificate qualification rate and overall quality.

[0019] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0021] Figure 1 This is a schematic diagram of the structure of a sorting mechanism according to an embodiment of the present invention;

[0022] Figure 2 This is a schematic diagram of the sorting mechanism of this utility model with the conveyor belt hidden, according to an embodiment of the present invention.

[0023] Figure 3 This is a partial exploded view of a sorting mechanism according to an embodiment of the present invention;

[0024] Figure 4 This is a schematic diagram of the guide component in the second state according to an embodiment of the present invention;

[0025] Figure 5 This is a top view schematic diagram of a sorting mechanism according to an embodiment of the present utility model;

[0026] Figure 6 This is a schematic diagram of the structure of a guide component according to an embodiment of the present invention;

[0027] Figure 7 This is an exploded view of a stacking device according to an embodiment of the present invention.

[0028] Icon labels:

[0029] 1000 sorting units;

[0030] Conveyor belt 100;

[0031] Stacking device 200; housing 210; receiving cavity 211; opening 212; first opening 213; second opening 214; limiting plate 215; through hole 216; connecting plate 217; slide 218; baffle 219; stacking assembly 220; third driver 221; drive rod 222; support member 223;

[0032] Lifting assembly 300; lifting rod 310; second actuator 320; bracket 330;

[0033] Guide assembly 400; guide plate 410; limiting flange 411; first driver 420; drive shaft 421; mounting bracket 430; mounting groove 431; opening 432; connector 440. Detailed Implementation

[0034] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0035] In the description of this utility model, it should be understood that the orientation descriptions, such as up, down, etc., are based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0036] In the description of this utility model, the use of "first" and "second" is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features or the order of the technical features.

[0037] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0038] In the field of automated document sorting, related technologies often employ robotic arms to grip and stack documents using stacking mechanisms. Specifically, existing solutions typically use vacuum suction cups or mechanical grippers to transfer documents from the conveyor line to the stacking station for layering. However, this stacking method is prone to misalignment between layers, overall tilting, and even slippage due to factors such as positioning accuracy errors, severely affecting the stability of the stacking structure.

[0039] To address the aforementioned problems, some embodiments of this utility model propose a sorting mechanism 1000, suitable for certificate manufacturing equipment. This mechanism effectively reduces inter-layer slippage of certificates, improving the accuracy and stability of certificate stacking. See details below. Figures 1 to 7 The sorting mechanism 1000 is described in the figure.

[0040] Reference Figure 1 and Figure 2 As shown in this embodiment of the invention, the sorting mechanism 1000 includes: a conveyor belt 100, a stacking device 200, a lifting assembly 300, and a guiding assembly 400. The conveyor belt 100 is used to transport documents; specifically, it is capable of continuously transporting documents. In one example, the conveyor belt 100 can be implemented using a motor-driven belt mechanism. The stacking device 200 is installed on the upper side of the conveyor belt 100 and is used to stack documents in layers.

[0041] Specifically, refer to Figure 2 and Figure 3As shown in this embodiment of the invention, the stacking device 200 includes a housing 210 and a stacking assembly 220. It is understood that the housing 210 is a hollow structure with an internal cavity 211 for accommodating at least two documents. In this embodiment, the cavity 211 extends vertically, with its opening 212 located on its lower side. The housing 210 is mounted on the upper side of the conveyor belt 100, and a gap exists between the lower end of the housing 210 and the conveyor belt 100. Based on this, the housing 210 and the conveyor belt 100 together define a first opening 213 communicating with the opening 212, which is suitable for the passage of documents.

[0042] Continue to refer to Figure 2 and Figure 3 As shown, in this embodiment of the invention, the stacking assembly 220 is disposed at the opening 212, and is capable of stacking at least two documents located in the receiving cavity 211 along the height direction of the housing 210. In this embodiment, the number of documents can be two, three, four, five, etc., and this embodiment is not limited to this. As the documents sequentially enter the opening 212 from the first opening 213, the stacking assembly 220 can stack the documents sequentially entering the opening 212 from bottom to top, forming a document stack.

[0043] Continue to refer to Figure 2 and Figure 3 As shown in this embodiment of the invention, the lifting assembly 300 serves as an actuator for pushing the document from the opening 212 into the receiving cavity 211. It is located on the lower side of the stacking device 200. The lifting assembly 300 includes a push rod 310 that can extend and retract along the height direction of the housing 210. When the document enters the opening 212 from the first opening 213, the push rod 310 can lift the document upwards into the receiving cavity 211.

[0044] Combination Figure 1 and Figure 2 It is understood that in this embodiment of the invention, the guide assembly 400 includes a guide plate 410, which is capable of moving into and out of the opening 212. When the guide plate 410 moves into the opening 212, it is located between the receiving cavity 211 and the lifting assembly 300, supporting the document at the opening 212 to await the lifting rod 310. When the guide plate 410 moves out of the opening 212, the document at the opening 212 falls into the lifting rod 310, which pushes the document into the receiving cavity 211, where it is then stacked by the stacking assembly 220.

[0045] It is understandable that the guide plate 410 has a first state and a second state, as shown in the reference. Figure 2As shown, when the guide plate 410 is in the first state, the guide plate 410 can move into the opening 212 and close the opening 212. At this time, the top rod 310 cannot pass through the opening 212, and the guide plate 410 can guide the document to move accurately from the first opening 213 to the opening 212 and stop at the opening 212. (Refer to...) Figure 5 As shown, when the guide plate 410 is in the second state, the guide plate 410 can move out of the opening 212 and expose the push rod 310. At this time, the push rod 310 can pass through the opening 212 to move the document located at the opening 212 into the receiving cavity 211.

[0046] The sorting mechanism 1000 of this utility model embodiment is provided with a guide plate 410 that can move into or out of the opening 212. When the guide plate 410 is in the first state, it can guide the document from the first opening 213 to the opening 212. When the guide plate 410 is in the second state, it can move out of the opening 212 and expose the top rod 310, so that the top rod 310 can pass smoothly through the opening 212 and accurately push the document located at the opening 212 into the receiving cavity 211. Then, the stacking assembly 220 stacks the documents pushed into the receiving cavity 211 in sequence. Combined with the box 210, the document stack in the receiving cavity 211 is constrained, thereby achieving stable and accurate positioning of the document stack, reducing the possibility of document displacement and document stacking misalignment, and thus improving the accuracy and stability of document stacking.

[0047] It is understood that this embodiment of the invention solves the problem of unstable stacking structures caused by interlayer misalignment, overall tilting, or slippage during the existing document stacking process. The housing 210 provides precise spatial constraints, ensuring the positional accuracy of each layer of documents. The dynamic adjustment function of the guide plate 410 enables a smooth transition of documents from horizontal transport to vertical stacking, reducing posture deviations during the transfer process. The synergistic effect of the lifting assembly 300 and the stacking assembly 220 ensures accurate interlayer alignment, significantly improving the stability of the stacking structure.

[0048] Reference Figure 1 and Figure 4 As shown, in this embodiment of the utility model, two guide plates 410 are provided, and the two guide plates 410 are spaced apart along a direction perpendicular to the document conveying direction, as shown in the figure. Figure 1 In the left-right direction, two guide plates 410 are respectively disposed on the left and right sides. In this embodiment, the guide assembly 400 also includes a first driver 420, wherein the first driver 420 is connected to the two guide plates 410 respectively, and is capable of driving the two guide plates 410 to move towards each other or away from each other.

[0049] When the guide plate 410 is in the first state, the first driver 420 can drive the two guide plates 410 to move towards each other to close the opening 212; when the guide plate 410 is in the second state, the first driver 420 can drive the two guide plates 410 to move away from each other to open the opening 212. The symmetrical drive design of the two guide plates 410 keeps the lateral force applied to the document balanced, avoiding the document deflection caused by unilateral force application. It should be noted that the first driver 420 can be implemented by means of a motor, a two-way lead screw, a gear rack or a synchronous belt drive mechanism, etc., and this embodiment does not limit it.

[0050] Reference Figure 4 and Figure 5 As shown in this embodiment of the invention, multiple push rods 310 are provided, and the multiple push rods 310 are spaced apart. Specifically, the lifting assembly 300 also includes a second driver 320 and a bracket 330. The multiple push rods 310 are spaced apart and connected to the bracket 330, and the second driver 320 is connected to the multiple push rods 310 respectively. When the guide plate 410 is in the second state, the second driver 320 can drive the multiple push rods 310 to pass through the gap between the two guide plates 410.

[0051] Specifically, in this embodiment, after the second actuator 320 is activated, the multiple push rods 310 are constrained by the bracket 330 to maintain synchronous linear movement. After passing through the gap between the two guide plates 410, they simultaneously contact the bottom surface of the document. Because the push rods 310 are evenly spaced and their support area covers the edge and center area of ​​the document, the document is lifted by multiple points of balanced force, avoiding displacement caused by local stress concentration.

[0052] Reference Figure 4 and Figure 6 As shown in this embodiment of the invention, the guide assembly 400 further includes a mounting bracket 430, wherein the mounting bracket 430 is provided with a mounting groove 431, and the first driver 420 is mounted in the mounting groove 431. Specifically, drive shafts 421 are respectively provided on both sides of the first driver 420, and the two drive shafts 421 are correspondingly connected to two guide plates 410 through connectors 440. In one example, the connectors 440 can be fixedly connected to the guide plates 410 by fasteners.

[0053] Continue to refer to Figure 4 and Figure 6As shown, in this embodiment of the present invention, two guide plates 410 are disposed on opposite sides of the mounting frame 430, with the mounting frame 430 positioned between them. A portion of the push rods 310 pass through the mounting groove 431, while another portion of the push rods 310 are disposed outside the mounting groove 431 and spaced apart from the mounting frame 430. It is understood that, to improve space utilization, the distance between the push rods 310 located between the two guide plates 410 and their adjacent counterparts cannot be too large. Therefore, the mounting component can have openings 432 suitable for the push rods 310 to pass through, allowing a portion of the push rods 310 to pass through the openings 432. The remaining push rods 310 are disposed outside the mounting groove 431 and spaced apart from the mounting frame 430, avoiding mutual interference.

[0054] Reference Figure 3 and Figure 7 As shown in this embodiment of the invention, the housing 210 includes two limiting plates 215, which are spaced apart along the document conveying direction to form a receiving cavity 211. The limiting plates 215 are arranged vertically. Specifically, the distance between the two limiting plates 215 can be set to a fixed value or an adjustable range according to the document size to form a constrained space suitable for accommodating the document. When the lifting assembly 300 drives the top rod 310 through the opening 212, and when the stacking assembly 220 stacks the documents, the receiving cavity 211 formed by the limiting plates 215 can prevent the documents from undergoing horizontal displacement during the lifting process.

[0055] Reference Figure 5 and Figure 7 As shown in this embodiment of the invention, the stacking assembly 220 includes a third driver 221 and two drive rods 222.

[0056] Two drive rods 222 are correspondingly arranged with two limiting plates 215. The drive rods 222 are located on the outside of the corresponding limiting plates 215. Specifically, the two drive rods 222 are arranged around the circumference of the housing 210. Each drive rod 222 is provided with multiple support members 223. Correspondingly, each limiting plate 215 is provided with multiple through holes 216 penetrating the limiting plate 215. The multiple support members 223 are correspondingly arranged with the multiple through holes 216. In this embodiment, the support members 223 are inserted into the through holes 216. The third actuator 221 can drive the drive rods 222 to move the support members 223 into or out of the receiving cavity 211 along the through holes 216.

[0057] Understandably, the two drive rods 222 can move toward or away from each other under the drive of the third drive 221. Specifically, when the two drive rods 222 move away from each other, the support member 223 disengages from the receiving cavity 211, and the two guide plates 410 also move away from each other to open the opening 212, allowing the push rod 310 to push the document into the receiving cavity 211. Subsequently, the two drive rods 222 move toward each other, and the support member 223 supports the document that has been pushed into the receiving cavity 211 by the push rod 310.

[0058] After repeating the above steps, the next document will be pushed into the receiving cavity 211 by the push rod 310, and the support member 223 will then support the document, and the two documents will be stacked to form a stack. It can be understood that this embodiment of the utility model achieves precise positioning and layer-by-layer support of stacked documents. It should be noted that the second actuator 320 and the third actuator 221 can be cylinders or motors and other driving devices, and this embodiment does not limit them.

[0059] Reference Figure 1 and Figure 5 As shown, in this embodiment of the present invention, the housing 210 further includes two connecting plates 217 spaced apart along the arrangement direction of the two guide plates 410. Specifically, in this embodiment, the two guide plates 410 are respectively disposed on the left and right sides of the two limiting plates 215, and the two ends of each connecting plate 217 are respectively connected to the two limiting plates 215. Based on this, the two connecting plates 217 and the two limiting plates 215 form an opening 212. It can be understood that the two connecting plates 217 and the two limiting plates 215 can form a rectangular opening 212 that matches the document, so as to accurately constrain the displacement of the document.

[0060] Continue to refer to Figure 1 and Figure 5 As shown in this embodiment of the invention, each connecting plate 217 is provided with a sliding groove 218, which extends in the left-right direction. The connecting plate 217 slides along the sliding groove 218, allowing it to precisely guide the movement of the connecting plate 217. Furthermore, the connecting plate 217 is provided with a limiting flange 411. Specifically, the limiting flange 411 is located on the side of the connecting plate 217 closest to another connecting plate 217, protruding upwards from the surface of the connecting plate 217. When the two connecting plates 217 move to their extreme positions in opposite directions, the limiting flange 411 abuts against the connecting plate 217, thereby stopping and limiting the travel of the guide plate 410.

[0061] Understandably, the receiving cavity 211 can serve as a space for storing defective documents, while documents that pass inspection can be conveyed to the next processing mechanism. Therefore, referring to... Figure 1 and Figure 2As shown in this embodiment of the invention, the housing 210 and the conveyor belt 100 together define a second opening 214 for the connecting opening 212. The first opening 213 and the second opening 214 are arranged sequentially along the conveying direction of the document. Specifically, the first opening 213 and the second opening 214 are arranged sequentially along the front-back direction, and the conveyor belt 100 conveys the document along the front-back direction.

[0062] Based on this, when the conveyed document is a defective product, the two guide plates 410 move in opposite directions to open the opening 212, and the lifting assembly 300 pushes the defective product into the receiving cavity 211. When the conveyed document is a qualified product, neither the two guide plates 410 nor the lifting assembly 300 operates. The guide plates 410 can guide the document located at the opening 212 to move from the opening 212 to the second opening 214, thereby continuing to convey it until it is unloaded.

[0063] Continue to refer to Figure 1 and Figure 2 As shown in this embodiment of the invention, baffles 219 are respectively provided at the first opening 213 and the second opening 214. The baffles 219 are rotatably connected to the housing 210 and can open either the first opening 213 or the second opening 214. In this embodiment, the baffles 219 are designed to be rotatably connected to the edge region of the housing 210, and the axis of rotation can be parallel to the height direction of the housing 210 or perpendicular to the document transport direction. In one example, in the fully open state, the baffles 219 rotate to be flush with the side wall of the housing 210, while in the closed state, the baffles 219 rotate to cover the corresponding opening.

[0064] It is understood that, through the selective opening and closing of the baffle 219, the movement path of the document is strictly limited within the path formed by the first opening 213 and the second opening 214, thereby improving the directional accuracy of document transport. In addition, it also avoids the intrusion of foreign objects caused by the exposure of the first opening 213 and the second opening 214.

[0065] An embodiment of this utility model also proposes a certificate-making device, including the sorting mechanism 1000 described in the above embodiment. Specifically, the certificate-making device may further include a testing mechanism for detecting whether a certificate is qualified, and the sorting mechanism 1000 can perform different sorting operations on the certificates according to the testing structure of the testing mechanism.

[0066] The certificate-making equipment of this embodiment adopts the sorting mechanism 1000 of the above embodiment. By setting a guide plate 410 that can move into or out of the opening 212, when the guide plate 410 is in the first state, it can guide the certificate from the first opening 213 to the opening 212; when the guide plate 410 is in the second state, it can move out of the opening 212 and expose the top rod 310, so that the top rod 310 can smoothly pass through the opening 212 and accurately push the certificate located at the opening 212 into the receiving cavity 211. Then, the stacking component 220 stacks the certificates pushed into the receiving cavity 211 in sequence. Combined with the box 210 to constrain the certificate stack in the receiving cavity 211, the certificate stack is stably and accurately limited, reducing the possibility of certificate deviation and certificate stacking misalignment, thereby improving the accuracy and stability of certificate stacking, improving the production efficiency of the certificate-making equipment, helping to increase the certificate production output of the certificate-making equipment, and also improving the certificate qualification rate and overall quality.

[0067] Since the certificate-making equipment adopts all the technical solutions of the sorting mechanism 1000 in the above embodiments, it has at least all the beneficial effects brought about by the technical solutions in the above embodiments, which will not be repeated here.

[0068] Of course, this utility model is not limited to the above-described embodiments. Those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of this utility model. All such equivalent modifications or substitutions are included within the scope defined by the claims of this application.

Claims

1. A sorting mechanism, characterized in that, include: Conveyor belts are used to transport documents. A stacking device includes a housing and a stacking assembly. The housing has a receiving cavity with an opening facing the conveyor belt. The housing is mounted on the upper side of the conveyor belt and together with the conveyor belt defines a first opening communicating with the opening. The stacking assembly is located at the opening and is configured to stack at least two of the documents located in the receiving cavity along the height direction of the housing. A lifting assembly is provided on the lower side of the stacking device, and the lifting assembly includes a top rod that can extend and retract along the height direction of the box; A guide assembly, including a guide plate configured to move into or out of the opening; The guide plate has a first state and a second state. When the guide plate is in the first state, the guide plate can move into the opening and close the opening to guide the document from the first opening to the opening. When the guide plate is in the second state, the guide plate can move out of the opening and expose the top rod, which can pass through the opening to move the document located in the opening into the receiving cavity.

2. The sorting mechanism according to claim 1, characterized in that, The guiding assembly further includes a first driver. Two guide plates are provided, and the two guide plates are spaced apart along a direction perpendicular to the transport direction of the document. The first driver is connected to the two guide plates respectively and is configured to drive the two guide plates to move towards each other or away from each other.

3. The sorting mechanism according to claim 2, characterized in that, The lifting assembly further includes a second driver and a bracket. Multiple top rods are provided and spaced apart on the bracket. The second driver is connected to the multiple top rods respectively. When the guide plate is in the second state, the second driver can drive the multiple top rods to pass through the gap between two guide plates.

4. The sorting mechanism according to claim 3, characterized in that, The guide assembly also includes a mounting bracket with a mounting groove. The first driver is mounted in the mounting groove. Two guide plates are located on opposite sides of the mounting bracket. A portion of the top rod passes through the mounting groove, and another portion of the top rod is located outside the mounting groove and spaced apart from the mounting bracket.

5. The sorting mechanism according to claim 2, characterized in that, The housing includes two limiting plates, which are spaced apart along the conveying direction of the document to form the receiving cavity. The limiting plates are arranged in the vertical direction.

6. The sorting mechanism according to claim 5, characterized in that, The stacking assembly includes a third driver and two drive rods. The two drive rods are respectively arranged in correspondence with the two limiting plates. The drive rods are located on the outside of the corresponding limiting plates. Each drive rod is provided with multiple support members. The limiting plates are provided with multiple through holes penetrating the limiting plates. The multiple support members are respectively arranged in correspondence with the multiple through holes. The third driver can drive the drive rods to move the support members into or out of the receiving cavity along the through holes.

7. The sorting mechanism according to claim 6, characterized in that, The housing also includes two connecting plates spaced apart along the arrangement direction of the two guide plates. The two ends of the connecting plates are respectively connected to the two limiting plates. The two connecting plates and the two limiting plates surround the opening. Each connecting plate is provided with a sliding groove. The guide plate slides in cooperation with the sliding groove. The guide plate is provided with a limiting flange. The limiting flange is used to abut against the connecting plate to stop the guide plate.

8. The sorting mechanism according to claim 1, characterized in that, The housing and the conveyor belt together define a second opening that communicates with the opening. The first opening and the second opening are arranged sequentially along the conveying direction of the document. When the guide plate is in the first state, the guide plate can also guide the document located at the opening to move from the opening to the second opening.

9. The sorting mechanism according to claim 8, characterized in that, The first opening and the second opening are respectively covered with baffles, which are rotatably connected to the box body and can open the first opening or the second opening.

10. Certificate-making equipment, characterized in that, Includes the sorting mechanism as described in any one of claims 1 to 9.

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