Device and method for integrally and automatically transferring and preliminarily separating stacked paper

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By designing a spatial three-dimensional layout transport device for stacking paper, the problem of paper transport relies on manual operation in the prior art is solved, automation and unmanned processing are realized, and equipment land occupation and operating costs are reduced.

CN119911719APending Publication Date: 2025-05-02ZHEJIANG QIANTANG ROBOT & INTELLIGENT EQUIPMENT RESEARCH CO LTD

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Patent Information

Application Number: CN202510138997.5
Authority / Receiving Office: CN · China
Patent Type: Applications(China)
Current Assignee / Owner
Filing Date: 2025-02-08
Publication Date: 2025-05-02

AI Technical Summary

Technical Problem

In existing printing and scanning equipment, the paper transfer process relies on manual operations, resulting in large area, high operating costs, and lack of automated and unmanned processing capabilities.

Method used

A device including a main frame, a conveying system, a clamping and picking mechanism, a lifting and blocking positioning mechanism and a sensor unit is designed, and a three-dimensional space layout and a multiple turning transport method are adopted to realize the overall automatic transport and preliminary separation of stacked paper.

Benefits of technology

It realizes automation and unmanned preparations for the front section of scanning and printing equipment, reduces equipment operation costs, improves work efficiency, and reduces the equipment footprint through three-dimensional spatial layout.

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Abstract

The invention discloses a device and a method for integral automatic transfer and preliminary separation of stacked paper. The device specifically comprises a main body frame, and a first conveying belt, a second conveying belt, a plurality of conveying shafts, a clamping and material taking mechanism, a lifting blocking and positioning mechanism and a sensor unit which are arranged on the main body frame; the first conveying belt and the second conveying belt are matched to form a clamping channel, and the clamping channel is provided with at least one turn. The plurality of conveying shafts are fixed on the main body frame and are used for driving the first conveying belt and the second conveying belt; the clamping and taking mechanism comprises a first electric push rod, a clamping and taking shaft and a connecting plate; a motor in the first electric push rod is fixed on the main body frame at the feeding hole of the clamping channel; one end of the connecting plate is connected with the clamping taking shaft, and the other end of the connecting plate is hinged to the conveying shaft at the feeding port; the movable end of the first electric push rod is fixed to the end of the clamping material taking shaft. According to the device, automatic transferring is achieved, and paper is preliminarily separated through turning.

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Description

Technical Field

[0001] The present invention relates to the technical field of automatic paper transportation in the printing and scanning industry, and relates to a device and method for automatic overall transportation and preliminary separation of stacked paper. Background Art

[0002] Paper transfer is an indispensable part of the operation of printing and scanning industry equipment. The working scenario of the current scanning and printing equipment on the market is that the stacked papers are placed manually at the equipment feed port, and then the scanning and printing equipment transfers the single paper; or the stacked paper is transferred to the designated location through a flat layout conveying method. In order to avoid paper sticking, the stacked paper must be manually operated to achieve the effect of initial separation of the paper; the traditional operation method of the front-end preparation stage of scanning and printing equipment relies heavily on personnel.

[0003] The present invention is different from the traditional plane conveying method. It adopts a three-dimensional spatial layout and a transportation method with multiple turns. It can achieve the effect of preliminary separation of stacked paper while realizing the basic transportation function. Compared with the traditional plane layout, the spatial distribution method saves more space and can reduce the equipment footprint. At the same time, the device can reduce the staffing during the operation of the equipment, avoid manual repetitive and monotonous labor, and realize the automation and unmanned operation of the front-end preparation work of the scanning and printing equipment, thereby reducing the equipment operation cost and improving work efficiency. Summary of the invention

[0004] In order to solve the problems existing in the prior art, the present invention provides a device and method for automatically transferring and preliminarily separating stacked paper as a whole, so as to meet the industry's requirements for miniaturization of equipment and realize the automation and unmanned operation of the front-end preparation work of scanning and printing equipment, thereby reducing equipment operating costs and improving work efficiency.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is:

[0006] A device for automatically transferring and initially separating stacked paper sheets, comprising: a main frame and a conveying system, a clamping and picking mechanism, a lifting, blocking and positioning mechanism and a sensor unit arranged thereon;

[0007] The conveying system comprises a first conveyor belt, a second conveyor belt and a plurality of conveyor shafts, wherein the plurality of conveyor shafts are fixed on a main frame, the first conveyor belt and the second conveyor belt are mounted on the conveyor shafts and are driven by the conveyor shafts, the first conveyor belt and the second conveyor belt cooperate to form a clamping channel, and the clamping channel is provided with at least one turn, and the clamping channel has a feed port and a discharge port;

[0008] The clamping and picking mechanism comprises: a first electric push rod, a clamping and picking shaft and a connecting plate; the motor in the first electric push rod is fixed on the main frame at the feeding port of the clamping channel; one end of the connecting plate is connected to the clamping and picking shaft, and the other end is hinged to the conveying shaft at the feeding port; the movable end of the first electric push rod is hinged to the end of the clamping and picking shaft, and when the movable end of the first electric push rod is extended, the clamping and picking shaft rotates around the conveying shaft at the feeding port, thereby pressing the stacked paper at the feeding port;

[0009] The lifting, blocking and positioning mechanism is used to position the stacked paper sheets to the side during loading, so as to ensure that the stacked paper sheets are neat during loading;

[0010] The sensor units are respectively arranged at the feed port and the discharge port of the clamping channel, and are used to detect the feed and discharge conditions of the clamping channel. When the sensor unit detects that there are stacked papers at the feed port, the lifting, blocking and positioning mechanism extends to allow the stacked papers to be placed, the clamping and picking mechanism presses the stacked papers, and the lifting, blocking and positioning mechanism is retracted. The conveying shaft drives the first conveyor belt and the second conveyor belt, thereby driving the stacked papers to enter the clamping channel and pass through the turning of the clamping channel to achieve preliminary separation of the stacked papers. When the sensor unit detects that the stacked papers are output from the discharge port, the first conveyor belt and the second conveyor belt stop transmission.

[0011] Furthermore, the conveying system further comprises: a driving motor unit;

[0012] The conveying shaft includes: a driving shaft and a driven shaft;

[0013] The driving shaft and the driven shaft both include: a bearing, a rotating shaft and a plurality of conveyor belt wheels arranged thereon,

[0014] The bearing is fixed on the main frame;

[0015] The end of the rotating shaft is arranged through the bearing;

[0016] The output end of the driving motor unit is connected to one end of the rotating shaft of the driving shaft;

[0017] The conveyor belt wheel is arranged on the rotating shaft;

[0018] The first conveyor belt and the second conveyor belt are composed of a plurality of belts;

[0019] The belts are arranged on the conveyor pulleys in a one-to-one correspondence, and there are gaps between adjacent belts.

[0020] Furthermore, the lifting and blocking positioning mechanism comprises: a second electric push rod, a positioning baffle, a slide plate, and a connecting rod;

[0021] The motor in the second electric push rod is fixed on the main frame;

[0022] The slide plate is fixed on the main frame and has a waist-shaped groove extending therethrough;

[0023] One end of the connecting rod is fixed to the movable end of the second electric push rod, and the other end passes through the waist-shaped groove of the slide plate and is fixed to the end of the positioning baffle;

[0024] A plurality of protrusions are evenly arranged on the extended side of the positioning baffle, and the protrusions extend from the gap to provide support for the stacked paper sheets for alignment and positioning, thereby ensuring that the stacked paper sheets are neatly stacked during feeding.

[0025] Furthermore, the device also includes a plurality of floating pressure rod mechanisms;

[0026] The floating pressure rod mechanism comprises: a floating pressure rod mechanism fixing block, a guide rod, a spring and a pressure rod;

[0027] The floating pressure rod mechanism fixing block is fixed on the main frame;

[0028] The pressure rod is provided with a hole at each end;

[0029] The guide rod is fixed on the fixed block of the floating pressure rod mechanism after passing through the hole and the spring, and the guide rod can float along the axial direction of the hole;

[0030] The plurality of floating pressure rod mechanisms are arranged on a side of the first conveyor belt and / or the second conveyor belt away from the clamping channel, and are used to adjust the distance between the first conveyor belt and the second conveyor belt through the floating of the pressure rods, so that the two conveyor belts are always close to the stacked paper being transported.

[0031] Furthermore, the device also includes a first conveyor belt tensioning mechanism and a second conveyor belt tensioning mechanism; the first conveyor belt tensioning mechanism and the second conveyor belt tensioning mechanism are respectively used to adjust the tension of the first conveyor belt and the second conveyor belt to increase the stability of the conveyor belt during operation.

[0032] Furthermore, the device also includes: a synchronous belt transmission mechanism;

[0033] The synchronous belt transmission mechanism comprises: a first synchronous wheel, a second synchronous wheel, a synchronous belt, and a synchronous belt tensioning mechanism;

[0034] The first synchronous wheel is fixed to an end of the driving shaft away from the driving motor unit, and the second synchronous wheel is arranged at the end of the driven shaft on the same side as the first synchronous wheel, so as to ensure that the first conveyor belt and the second conveyor belt are transported in the same direction;

[0035] The synchronous belt is sleeved on the first synchronous wheel and the second synchronous wheel, and is used to transmit power and synchronize the transmission speeds of the first conveyor belt and the second conveyor belt;

[0036] The synchronous belt tensioning mechanism is fixed on the main frame, and is used to adjust the tension of the synchronous belt, reduce the meshing tooth gap between the synchronous belt pulley and the synchronous belt, reduce the speed difference between the first synchronous wheel and the second synchronous wheel during movement, and prevent the occurrence of tooth jumping.

[0037] Further, the synchronous belt tensioning mechanism comprises: a synchronous belt tensioning mechanism fixing block, a synchronous belt tensioning mechanism rotating shaft, a synchronous belt tensioning mechanism bushing and a synchronous belt tensioning mechanism idler wheel;

[0038] The synchronous belt tensioning mechanism fixing block is fixed on the main frame;

[0039] One end of the rotating shaft of the synchronous belt tensioning mechanism is fixed on the fixing block of the synchronous belt tensioning mechanism;

[0040] The synchronous belt tensioning mechanism bushing is fixed to the other end of the synchronous belt tensioning mechanism rotating shaft;

[0041] The idler wheel of the synchronous belt tensioning mechanism is sleeved on the bushing of the synchronous belt tensioning mechanism, and the idler wheel of the synchronous belt tensioning mechanism is pressed against the synchronous belt to adjust the tension of the synchronous belt.

[0042] Further, the sensor unit includes a diffuse reflection photoelectric sensor;

[0043] The diffuse reflection photoelectric sensor is respectively arranged at the feed inlet and the discharge outlet.

[0044] Further, the clamping channel is a C-shaped channel, and the device also includes an auxiliary turning mechanism;

[0045] The auxiliary turning mechanism is arranged at the turning point of the clamping channel, and is used to assist the stacked paper sheets to pass through the turning point;

[0046] The auxiliary turning mechanism comprises: an auxiliary turning mechanism fixing block and an auxiliary turning plate;

[0047] A plurality of grooves are provided on one side of the auxiliary turning plate for the belt to pass through;

[0048] The auxiliary turning mechanism fixing block is used to fix the auxiliary turning plate on the main frame.

[0049] A method for automatically transferring and initially separating stacked paper sheets is implemented using the device, and the specific steps include:

[0050] In the initial state, the positioning baffle is extended, and the clamping and picking shaft is retracted by the first electric push rod;

[0051] When working, stacked paper is placed on the positioning baffle, and after the sensor mechanism at the feed inlet detects the stacked paper, the first electric push rod extends to clamp the pick-up shaft and press the stacked paper;

[0052] When the stacked paper is compressed, the positioning baffle is retracted, the driving motor unit drives the first conveyor belt and the second conveyor belt respectively, and realizes synchronous rotation through the synchronous belt transmission mechanism, and the stacked paper is input into the clamping channel. After entering the clamping channel, the floating pressure rod mechanism is used to ensure that the first conveyor belt and the second conveyor belt can always be close to the stacked paper;

[0053] When the stacked paper is delivered from the discharge port, the sensor mechanism located at the discharge port detects the stacked paper, and the driving motor unit stops at this time, and the device returns to the initial state.

[0054] The beneficial effects of the present invention are:

[0055] The present invention can be driven by a single motor or by multiple motors in parallel, and power matching can be performed according to actual needs. In terms of structure, except for the use of steel parts for the rotating shaft, other parts all comply with the lightweight design concept, and are either made of thin plates or aluminum alloys to reduce the overall weight of the equipment. This device is different from the traditional plane transfer mode and adopts a spatial three-dimensional transfer layout. Functionally, on the one hand, it can achieve the function of traditional plane transfer, and on the other hand, it can also achieve the effect of preliminary separation of paper through the operation of turning during the transfer process. In terms of space, the three-dimensional layout has higher space utilization and can reduce the area occupied by the plane of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0056] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present invention;

[0057] Figure 2 is a schematic diagram of the overall structure of an embodiment of the present invention from another angle;

[0058] Figure 3 It is a schematic diagram of the structure of a main frame and an independent conveyor belt wheel assembly according to an embodiment of the present invention;

[0059] Figure 4 is a schematic diagram of a drive motor unit according to an embodiment of the present invention;

[0060] Figure 5 is a schematic diagram of a conveying shaft according to an embodiment of the present invention;

[0061] Figure 6 is a schematic diagram of an idler pulley of a synchronous belt tensioning mechanism according to an embodiment of the present invention;

[0062] Figure 7It is a schematic diagram of a driving motor unit, a conveying shaft, a synchronous belt transmission mechanism and a synchronous belt tensioning mechanism according to an embodiment of the present invention;

[0063] Figure 8 It is a side view assembly diagram of a driving motor unit, a conveying shaft, a synchronous belt transmission mechanism and a synchronous belt tensioning mechanism according to an embodiment of the present invention;

[0064] Fig. 9 It is an axial assembly diagram of a driving motor unit, a conveying shaft, a synchronous belt transmission mechanism and a synchronous belt tensioning mechanism according to an embodiment of the present invention;

[0065] Fig.10 It is a front view assembly diagram of a driving motor unit, a conveying shaft, a synchronous belt transmission mechanism and a synchronous belt tensioning mechanism according to an embodiment of the present invention;

[0066] Fig.11 is a schematic diagram of a first and second conveyor belt tensioning mechanism according to an embodiment of the present invention;

[0067] Fig.12 is an assembly diagram of the first and second conveyor belt tensioning mechanisms of an embodiment of the present invention;

[0068] Fig.13 is a schematic diagram of a floating pressure rod mechanism according to an embodiment of the present invention;

[0069] Fig.14 It is a side view assembly diagram of a floating pressure rod mechanism of an embodiment of the present invention;

[0070] Fig.15 It is an axial assembly diagram of a floating pressure rod mechanism according to an embodiment of the present invention;

[0071] Fig.16 is a schematic diagram of an auxiliary turning mechanism according to an embodiment of the present invention;

[0072] Fig.17 is a side view assembly diagram of an auxiliary turning mechanism according to an embodiment of the present invention;

[0073] Fig.18 This is an axial assembly diagram of an auxiliary turning mechanism according to an embodiment of the present invention;

[0074] Fig.19 It is a schematic diagram of a lifting, blocking and positioning mechanism according to an embodiment of the present invention;

[0075] Fig. 20 It is a side view assembly diagram of a lifting and blocking positioning mechanism of an embodiment of the present invention;

[0076] Fig.21 It is an axial assembly diagram of a lifting, blocking and positioning mechanism according to an embodiment of the present invention;

[0077] Fig. 22It is a schematic diagram of a clamping and material-retrieving mechanism according to an embodiment of the present invention;

[0078] Fig.23 It is a side view assembly diagram of a clamping and picking mechanism according to an embodiment of the present invention;

[0079] Fig.24 This is an axial assembly diagram of a clamping and picking mechanism according to an embodiment of the present invention;

[0080] Fig.25 It is a side view assembly diagram of a clamping and picking mechanism and a lifting and blocking positioning mechanism combined in one embodiment of the present invention;

[0081] Fig.26 is a schematic diagram of a sensor unit according to an embodiment of the present invention;

[0082] Fig. 27 is a side view assembly diagram of a sensor unit according to an embodiment of the present invention;

[0083] Fig.28 is a schematic diagram of an independent conveyor belt wheel assembly according to an embodiment of the present invention;

[0084] Fig.29 is a schematic diagram of the arrangement of the first and second conveyor belt routes of an embodiment of the present invention;

[0085] In the figure: 1, main frame; 2, floating pressure rod mechanism; 3, synchronous belt transmission mechanism; 4, synchronous belt tensioning mechanism; 5, auxiliary turning mechanism; 6, second conveyor belt tensioning mechanism; 7, first conveyor belt tensioning mechanism; 8, clamping and picking mechanism; 9, conveying shaft; 10, first conveyor belt; 11, driving motor unit; 12, lifting and blocking positioning mechanism; 13, independent conveyor belt wheel assembly; 14, sensor unit; 15, second conveyor belt; 101, bottom plate ; 102, side plate; 103, top plate; 104, right-angle connecting block; 105, connecting rod; 106, strip connecting block; 201, floating pressure rod mechanism fixing block; 202, guide rod; 203, spring; 204, pressure rod; 2041, fixing part; 2042, movable part; 301, first synchronous wheel; 302, second synchronous wheel; 303, synchronous belt; 401, synchronous belt tensioning mechanism fixing block; 402, synchronous belt tensioning mechanism rotating shaft; 403, synchronous belt tensioning mechanism bushing; 404, synchronous belt tensioning mechanism idler; 501, auxiliary turning structure fixing block; 502, auxiliary turning plate; 601, conveyor belt tensioning mechanism fixing block; 801, first electric push rod; 802, clamping and picking mechanism fixing block; 803, connecting plate; 804, clamping and picking shaft; 901, driving shaft; 902, driven shaft; 9001, bearing; 9002, rotating shaft; 9003, conveyor belt wheel; 11 01. driving motor; 1102. driving motor bracket; 1103. coupling; 1201. second electric push rod; 1202. positioning baffle; 1203. slide plate; 1204. connecting rod; 1205. connecting block; 1301. independent transmission pulley assembly shaft; 1302. independent transmission pulley assembly bushing; 1303. independent transmission pulley; 1304. mounting block; 1401. diffuse reflection photoelectric sensor; 1402. sensor bracket. DETAILED DESCRIPTION

[0086] The technical solution of the present invention is described in detail below in conjunction with the accompanying drawings and specific examples. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and are therefore only used as examples, and cannot be used to limit the protection scope of the present invention.

[0087] Embodiment 1:

[0088] The device for automatically transferring multi-layer stacked paper without external packaging must first have the basic function of material transfer, and the transfer process must be stable and reliable; secondly, in the transfer process, other desired secondary functions must be achieved through certain means. This device is an automated device that contains several moving parts. For safety reasons, safety warning signs will be posted around the moving parts, and necessary physical isolation measures will be added to ensure the personal safety of operators during device operation and avoid unnecessary losses.

[0089] Based on this, the present invention provides a device and method for automatically transferring and preliminarily separating stacked paper sheets. The device structure is as follows: Figure 1 and Figure 2 As shown in: a main frame 1 and a floating pressure rod mechanism 2, a synchronous belt transmission mechanism 3, a synchronous belt tensioning mechanism 4, an auxiliary turning mechanism 5, a second conveyor belt tensioning mechanism 6, a first conveyor belt tensioning mechanism 7, a clamping and picking mechanism 8, a conveying shaft 9, a driving motor unit 11, a lifting and blocking positioning mechanism 12, an independent conveyor belt wheel assembly 13 and a sensor unit 14 arranged thereon; as shown in Fig.29 The first conveyor belt 10 and the second conveyor belt 15 are arranged on the conveying shaft 9 and the clamping and picking mechanism 8.

[0090] like Figure 3 As shown, the main frame 1 includes: a bottom plate 101, two side plates 102, a top plate 103, eight right-angle connecting blocks 104, five connecting rods 105 and four strip connecting blocks 106; as the base of the entire device, the installation must be guaranteed to be firm and reliable; and attention must be paid to the installation sequence, and the main frame 1 cannot be fully assembled at one time, otherwise the internal functional components cannot be installed. A side plate 102 is installed on each side of the bottom plate 101, and the top plate 103 is installed above the bottom plate 101 through the two side plates 102; the right-angle connecting blocks 104 and the strip connecting blocks 106 are arranged at the connection between the bottom plate 101 and the side plates 102, and the side plates 102 and the top plate 103, and the two ends of the connecting rod 105 are respectively installed on the two side plates 102; the right-angle connecting blocks 104, the strip connecting blocks 106 and the connecting rods 105 make the main frame 1 stable;

[0091] like Figure 4 , 5 and 29, the conveying shaft 9 includes 3 driving shafts 901 and 19 driven shafts 902; the driving shaft 901 and the driven shaft 902 each include: a bearing 9001, a rotating shaft 9002 and 9 conveyor pulleys 9003 arranged thereon, and the end of the rotating shaft 9002 is arranged on the main frame 1 through the bearing 9001; the driving motor unit 11 includes: a driving motor 1101, a driving motor bracket 1102 and a coupling 1103; the driving motor bracket 1102 fixes the driving motor on the side plate 102 , the coupling 1103 connects the output end of the drive motor 1101 with one end of the rotating shaft 1102 of the driving shaft 901; the number of the drive motors 1101 is set according to the power requirements. In this embodiment, three drive motors 1101 are selected and respectively set on two of the first conveyor belt 10 and one of the second conveyor belt 15. The first conveyor belt 10 and the second conveyor belt 15 each include 9 belts; the belts are respectively distributed on the 9 conveyor pulleys 9003 of the driving shaft 901 and the driven shaft 902, along Fig.29The design route is set as shown, and there is a gap between adjacent belts; thus, the first conveyor belt 10 and the second conveyor belt 15 are formed, and a C-shaped clamping channel is formed, with a feed port and a discharge port, four turns, and the clamping channel is divided into four straight lines (the feed port is not included). Specifically, all conveyor pulleys 9003 need to be installed in advance to the specified position of each rotating shaft 9002, and the conveyor pulley 9003 installed on the driving shaft 901 is fastened by a stop screw; the conveyor pulley 9003 on the driven shaft 902 is limited by a retaining ring to the left and right to prevent it from moving left and right. After the conveyor pulley 9003 is installed with the driving shaft 901 and the driven shaft 902, the bearing 9001 is installed on the corresponding hole of the side plate 102. At this time, the driving shaft 901 and the driven shaft 902 are installed on the bearing 9001 at the corresponding position of the side plate 102 connected to the bottom plate 101, and the other side plate 102 and the top plate 103 of the main frame 1 are installed in place accordingly.

[0092] like Figures 7-10 In this embodiment, there are three driving shafts 901, two of which are located on the first conveyor belt and are respectively distributed on the inner ring and outer ring of the first conveyor belt 10, and one is located on the inner ring of the second conveyor belt 15. The first synchronous wheel 301 is set at the end of the two driving shafts 901 of the first conveyor belt 10 away from the driving motor 11, and according to the need of the two conveyor belts to transmit in the same direction, two driven shafts 902 located on the outer ring and the inner ring are selected on the second conveyor belt 15, which are matched with the driving shafts 901 located on the inner ring and the outer ring of the first conveyor belt 10, and the first synchronous wheel 301 is close to the first synchronous wheel 301. A second synchronous wheel 302 is installed at the end; a second synchronous wheel 302 is set at the end of a driving shaft 901 of the second conveyor belt 15 away from the driving motor 11, and according to the need of the two conveyor belts to transmit in the same direction, a driven shaft 902 located on the outer ring is selected on the first conveyor belt 10, and the first synchronous wheel 302 is installed at the end thereof; the first synchronous wheel 301 and the second synchronous wheel 302 are synchronously transmitted through the synchronous belt 303, thereby realizing the synchronous transmission of the first conveyor belt 10 and the second conveyor belt 15, where the inner ring refers to the inner side of any conveyor belt, and vice versa, the outer ring;

[0093] like Figure 6 and 8, a synchronous belt tensioning mechanism 4 is also provided for controlling the tension of the synchronous belt 303; the synchronous belt tensioning mechanism 4 comprises: a synchronous belt tensioning mechanism fixing block 401, a synchronous belt tensioning mechanism rotating shaft 402, a synchronous belt tensioning mechanism bushing 403 and a synchronous belt tensioning mechanism idler wheel 404; the synchronous belt tensioning mechanism fixing block is fixed to the main frame; one end of the synchronous belt tensioning mechanism rotating shaft 402 is fixed to the synchronous belt tensioning mechanism fixing block 401; the synchronous belt tensioning mechanism bushing 403 is fixed to the other end of the synchronous belt tensioning mechanism rotating shaft 402; the synchronous belt tensioning mechanism idler wheel 404 is sleeved on the synchronous belt tensioning mechanism bushing 403, and the synchronous belt tensioning mechanism idler wheel 404 is squeezed with the synchronous belt 303 to adjust the tension of the synchronous belt 303.

[0094] like Figures 11-12 And 29, a conveyor belt tensioning mechanism is set, specifically a first conveyor belt tensioning mechanism 7 and a second conveyor belt tensioning mechanism 6, which are respectively used to control the tension of the first conveyor belt 10 and the second conveyor belt 15; the first conveyor belt tensioning mechanism 7 and the second conveyor belt tensioning mechanism 6 both include: a conveyor belt tensioning mechanism fixing block 601; the tensioning mechanism fixing block 601 is fixed to the corresponding two ends of the driven shaft 902, and the position of the driven shaft 902 fixed with the tensioning mechanism fixing block 601 is adjusted through the rectangular groove on the side plate 102 of the main frame 1, so as to realize the adjustment of the tension of the first conveyor belt 10 and the second conveyor belt 15 respectively.

[0095] like Figures 13-15 In this embodiment, in each of the four straight sections of the clamping channel, there is a floating pressure rod mechanism 2 near the beginning and end of each straight belt distribution for adjusting the spacing between the first conveyor belt 10 and the second conveyor belt 15, and the maximum spacing does not exceed 10mm. Therefore, there are 8 floating pressure rod mechanisms 2, and the floating pressure rod mechanism 2 includes: a floating pressure rod mechanism fixing block 201, a guide rod 202, a spring 203 and a pressure rod 204; the floating pressure rod mechanism 2 fixing block is fixed on the main frame 1; the pressure rod 204 has a hole at each end; the guide rod 202 passes through the hole and the spring The guide rod 202 can float along the hole. In the present embodiment, the floating pressure rod mechanism 2 is installed on one side of the first conveyor belt 10, and is installed and adjusted to a suitable position through the slot on the side plate 102. Thus, the distance between the first conveyor belt 10 and the second conveyor belt 15 is adjusted through the floating of the pressure rod 204, so that the two conveyor belts are close to the stacked paper being transported to prevent slipping. The pressure rod 204 is divided into fixed parts 2041 at both ends and a movable part 2042 in the middle, and the movable part can roll to reduce friction with the first conveyor belt 10.

[0096] like Figures 16 to 18In this embodiment, the clamping channel has 4 turns, each of which has an auxiliary turning mechanism, and the auxiliary turning mechanism 5 includes: an auxiliary turning structure fixing block 501 and an auxiliary turning plate 502; 9 fine grooves are set on one side of the auxiliary turning plate 502 for the belt to pass through; a coarse groove is set on the other side of the auxiliary turning plate 502 to prevent interference with the conveyor belt wheel 9003; in this embodiment, 4 floating pressure rod mechanisms 5 are set, all located at the turns of the clamping channel, so as to assist the stacked paper to pass through the turns;

[0097] like Figures 19 to 21 The lifting blocking positioning mechanism 12 includes: a second electric push rod 1201, a positioning baffle 1202, a slide plate 1203, and a connecting rod 1204; the two ends of the positioning baffle 1202 are also fixed with connecting blocks 1205; the motor in the second electric push rod 1201 is fixed to the side plate 102 of the main frame 1; one end of the connecting rod 1204 is hinged to the movable end of the second electric push rod 1201, i.e., the push rod, and the other end passes through the slide plate 1203 and the connecting block 1205 at the end of the positioning baffle. 05 fixed connection; the slide plate 1203 is fixed on the side plate 102 and is provided with a waist-shaped groove, so as to ensure that when the second electric push rod 1201 is extended or retracted, the movement direction of the positioning baffle 1202 can be ensured to be on the preset trajectory; 8 protrusions are evenly provided on the extended side of the positioning baffle 1202, which are used to realize the protrusion extending and retracting from the gap without interfering with the second conveyor belt 15, and the protrusions extend from the gap to realize the stacked paper being placed on the protrusions for positioning, alignment, placement and release.

[0098] like Figures 22-24 The clamping and picking mechanism 8 includes: a first electric push rod 801, a clamping and picking mechanism fixing block 802, a clamping and picking shaft 804 and a connecting plate 803; in this embodiment, the clamping and picking shaft 804 and the driven shaft 902 at the feed inlet are respectively hinged at both ends of the connecting plate 803; the clamping and picking shaft 804 is also provided with a conveyor pulley 9003 that is the same as the driven shaft 902, and the conveyor pulley 9003 of the clamping and picking shaft 804 is used for the first conveyor belt 10 to pass through One end of the first electric push rod 801 is hinged to the side plate 102 through the clamping and picking mechanism fixing block 802, and the movable end of the first electric push rod 801, that is, the push rod, is connected to the connecting plate 803. When working, after the movable end of the first electric push rod 801 is extended, the clamping and picking shaft 804 rotates around the conveying shaft 902 at the feed inlet to achieve the compression of the stacked paper at the feed inlet, and maintain the reliable contact between the first conveyor belt 10 and the second conveyor belt 15 and the stacked paper; Fig.25 It is an assembly diagram of the clamping and picking mechanism 8 and the lifting, blocking and positioning mechanism 12.

[0099] like Figure 3 and 28, this embodiment is also provided with 9 independent conveyor belt wheel assemblies 13, which are evenly located on the bottom plate 101 near the discharge port; the independent conveyor belt wheel assembly 13 includes: an independent conveyor belt wheel assembly shaft 1301, an independent conveyor belt wheel assembly bushing 1302, an independent conveyor belt wheel 1303, and a mounting block 1304; the independent conveyor belt wheel assembly bushing 1302 passes through the independent conveyor belt wheel 1303, and the independent conveyor belt wheel assembly shaft 1301 passes through the independent conveyor belt wheel assembly bushing 1302 and is connected to the mounting block 1304; the independent conveyor belt wheel assembly 13 makes the second conveyor belt of the device easier to install, and the specific implementation is as follows: the device of the present application includes two conveyor belts, each conveyor belt includes multiple belts, and after installation, they are uniformly tensioned by a tensioning mechanism. During the use of the device, if some belts of the first conveyor belt 10 need to be replaced, with this independent conveyor pulley assembly, some belts can be replaced when other belts are tensioned, so as to avoid position changes of other belts due to insufficient tension, and then adjust the belts one by one back to the position where the device is in operation, thereby reducing the situation of repeated belt adjustments;

[0100] like Fig.26 and 27 The sensor assembly 14 is respectively provided at the feed port and the discharge port, and specifically comprises a diffuse reflection photoelectric sensor 1401 and a sensor bracket 1402. The diffuse reflection photoelectric sensor 1401 is fixed to the main frame 1 through the sensor bracket 1402; and is used to detect the feeding and discharging conditions of the feed port and the discharge port.

[0101] Embodiment 2:

[0102] According to the device provided in Example 1, this embodiment provides a working method of the device:

[0103] In the initial state, the positioning baffle 1202 is extended, and the clamping and picking shaft 804 is retracted by the first electric push rod 801;

[0104] When working, the stacked paper is placed on the positioning baffle 1202, and after the sensor unit 14 at the feed inlet detects the stacked paper, the first electric push rod 801 extends to clamp the pick-up shaft 804 and press the stacked paper;

[0105] When the stacked paper is compressed, the positioning baffle 1202 is retracted, the driving motor unit 11 drives the two driving shafts 901 on the first conveyor belt 10 and the one driving shaft 901 on the second conveyor belt 15, and the synchronous rotation of the two conveyor belts is realized through the synchronous belt transmission mechanism, and the stacked paper is input into the clamping channel. After entering the clamping channel, the first conveyor belt 10 and the second conveyor belt 15 can always be close to the stacked paper through the floating pressure rod mechanism 2; after the stacked paper passes through the turning point with the help of the auxiliary turning mechanism 5, the initial separation of the stacked paper is effectively realized;

[0106] When the stacked paper is delivered from the discharge port, the sensor unit 14 located at the discharge port detects the stacked paper, and the driving motor unit 11 stops at this time, and the device returns to the initial state.

[0107] The device for automatically transporting multi-layer stacked paper without external packaging of the present invention can be used with other automated equipment to realize unmanned and automated operations of the relevant preparation links in the front section of the scanning and printing equipment, and automatically realize the transportation and preliminary separation of stacked paper. At the same time, due to the three-dimensional design of its clamping channel, the equipment footprint can be reduced to achieve the purpose of miniaturization of the equipment. The design of the present invention is compatible with papers of different sizes, and the maximum paper size can be A3 paper (420mm×197mm), which basically covers various commonly used paper sizes on the market.

[0108] The above description is only a further embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and concepts of the present invention within the scope disclosed by the present invention, which belong to the protection scope of the present invention.

Claims

1. A device for automatically transferring and initially separating stacked paper sheets, characterized in that: include: A main frame (1) and a conveying system, a clamping and picking mechanism (8), a lifting, blocking and positioning mechanism (12) and a sensor unit (14) arranged thereon; The conveying system comprises a first conveyor belt (10), a second conveyor belt (15) and a plurality of conveyor shafts (9); the plurality of conveyor shafts (9) are fixed on a main frame (1); the first conveyor belt (10) and the second conveyor belt (15) are mounted on the conveyor shafts (9) and are driven by the conveyor shafts (9); the first conveyor belt (10) and the second conveyor belt (15) cooperate to form a clamping channel and the clamping channel is provided with at least one turn; the clamping channel has a feed port and a discharge port; The clamping and picking mechanism (8) comprises: a first electric push rod (801), a clamping and picking shaft (804) and a connecting plate (803); the motor in the first electric push rod (801) is fixed on the main frame (1) at the feed inlet of the clamping channel; one end of the connecting plate (803) is connected to the clamping and picking shaft (804), and the other end is hinged to the conveying shaft (9) at the feed inlet; the movable end of the first electric push rod (801) is hinged to the end of the clamping and picking shaft (804), and when the movable end of the first electric push rod (801) is extended, the clamping and picking shaft (804) rotates around the conveying shaft (9) at the feed inlet, thereby pressing the stacked paper at the feed inlet; The lifting, blocking and positioning mechanism (12) is used to position the stacked paper sheets against the edge during loading, so as to ensure that the stacked paper sheets are neat during loading; The sensor unit (14) is respectively arranged at the feed port and the discharge port of the clamping channel, and is used to detect the feed and discharge conditions of the clamping channel. When the sensor unit (14) detects that there are stacked papers at the feed port, the lifting, blocking and positioning mechanism (12) extends to allow the stacked papers to be placed, the clamping and picking mechanism (8) presses the stacked papers, and the lifting, blocking and positioning mechanism (12) is retracted. The conveying shaft (9) drives the first conveyor belt (10) and the second conveyor belt (15), thereby driving the stacked papers to enter the clamping channel and pass through the turning of the clamping channel to achieve preliminary separation of the stacked papers. When the sensor unit (14) detects that the stacked papers are output from the discharge port, the first conveyor belt (10) and the second conveyor belt (15) stop transmission.

2. The device for automatically transferring and initially separating stacked paper sheets as described in claim 1, characterized in that: The conveying system further comprises: a driving motor unit (11); The conveying shaft (9) comprises: a driving shaft (901) and a driven shaft (902); The driving shaft (901) and the driven shaft (902) both include: a bearing (9001), a rotating shaft (9002) and a plurality of conveyor belt wheels (9003) arranged thereon. The bearing (9001) is fixed on the main frame (1); The end of the rotating shaft (9002) passes through the bearing (9001); The output end of the driving motor unit (11) is connected to one end of the rotating shaft (9002) of the driving shaft (901); The conveyor belt wheel (9003) is arranged on the rotating shaft (9002); The first conveyor belt (10) and the second conveyor belt (15) are composed of a plurality of belts; The belts are arranged one by one on the conveyor pulleys (9003), and there are gaps between adjacent belts.

3. The device for automatically transferring and initially separating stacked paper sheets as described in claim 2, characterized in that: The lifting, blocking and positioning mechanism (12) comprises: a second electric push rod (1201), a positioning baffle (1202), a slide plate (1203), and a connecting rod (1204); The motor in the second electric push rod (1201) is fixed on the main frame (1); The slide plate (1203) is fixed on the main frame (1) and has a waist-shaped groove extending therethrough; One end of the connecting rod (1204) is fixed to the movable end of the second electric push rod (1201), and the other end passes through the waist-shaped groove of the slide plate (1203) and is fixed to the end of the positioning baffle (1202); The protruding side of the positioning baffle (1202) is evenly provided with a plurality of protrusions, which protrude from the gap to provide support for stacked paper sheets for alignment and positioning.

4. The device for automatically transferring and initially separating stacked paper sheets as described in claim 1, characterized in that: The device also includes a plurality of floating pressure rod mechanisms (2); The floating pressure rod mechanism (2) comprises: a floating pressure rod mechanism fixing block (201), a guide rod (202), a spring (203) and a pressure rod (204); The floating pressure rod mechanism fixing block (201) is fixed on the main frame (1); The pressure rod (204) is provided with a hole at each end; The guide rod (202) is fixed on the floating pressure rod mechanism fixed block (201) after passing through the hole and the spring (203), and the guide rod (202) can float along the axial direction of the hole; The plurality of floating pressure rod mechanisms (2) are arranged on a side of the first conveyor belt (10) and / or the second conveyor belt (15) away from the clamping channel, and are used to adjust the distance between the first conveyor belt (10) and the second conveyor belt (15) by floating the pressure rod (204), so that the two conveyor belts are always in close contact with the stacked paper being transported.

5. The device for automatically transferring and initially separating stacked paper sheets as claimed in claim 1, characterized in that: The device also includes a first conveyor belt tensioning mechanism (6) and a second conveyor belt tensioning mechanism (7); the first conveyor belt tensioning mechanism (6) and the second conveyor belt tensioning mechanism (7) are used to adjust the tension of the first conveyor belt (10) and the second conveyor belt (15) respectively.

6. The device for automatically transferring and initially separating stacked paper sheets as described in claim 2, characterized in that: The device further comprises: a synchronous belt transmission mechanism (3); The synchronous belt transmission mechanism (3) comprises: a first synchronous wheel (301), a second synchronous wheel (302), a synchronous belt (303), and a synchronous belt tensioning mechanism (4); The first synchronous wheel (301) is fixed to an end of the driving shaft (901) away from the driving motor unit (11), and the second synchronous wheel (302) is arranged at the end of the driven shaft (902) on the same side as the first synchronous wheel (301), so as to ensure that the first conveyor belt (10) and the second conveyor belt (15) are transported in the same direction; The synchronous belt (303) is sleeved on the first synchronous wheel (301) and the second synchronous wheel (302) and is used to transmit power and synchronize the transmission speeds of the first conveyor belt (10) and the second conveyor belt (15); The synchronous belt tensioning mechanism (4) is fixed on the main frame and is used to adjust the tension of the synchronous belt (303).

7. The device for automatically transferring and initially separating stacked paper sheets as claimed in claim 6, characterized in that: The synchronous belt tensioning mechanism (4) comprises: a synchronous belt tensioning mechanism fixing block (401), a synchronous belt tensioning mechanism rotating shaft (402), a synchronous belt tensioning mechanism bushing (403) and a synchronous belt tensioning mechanism idler wheel (404); The synchronous belt tensioning mechanism fixing block (401) is fixed on the main frame (1); One end of the synchronous belt tensioning mechanism rotating shaft (402) is fixed on the synchronous belt tensioning mechanism fixing block (401); The synchronous belt tensioning mechanism bushing (403) is fixed to the other end of the synchronous belt tensioning mechanism rotating shaft (402); The idler wheel (404) of the synchronous belt tensioning mechanism is sleeved on the bushing (403) of the synchronous belt tensioning mechanism, and the idler wheel (404) of the synchronous belt tensioning mechanism is pressed against the synchronous belt (303) to adjust the tension of the synchronous belt (303).

8. The device for automatically transferring and initially separating stacked paper sheets as claimed in claim 1, characterized in that: The sensor unit (14) comprises a diffuse reflection photoelectric sensor (1401); The diffuse reflection photoelectric sensor (1401) is provided at the feed inlet and the discharge outlet, respectively.

9. The device for automatically transferring and initially separating stacked paper sheets as claimed in claim 2, characterized in that: The clamping channel is a C-shaped channel, and the device also includes an auxiliary turning mechanism (5); The auxiliary turning mechanism (5) is arranged at the turning point of the clamping channel, and is used to assist the stacked paper sheets to pass through the turning point; The auxiliary turning mechanism (5) comprises: an auxiliary turning mechanism fixing block (501) and an auxiliary turning plate (502); A plurality of grooves are provided on one side of the auxiliary turning plate (502) for the belt to pass through; The auxiliary turning mechanism fixing block (501) is used to fix the auxiliary turning plate (502) on the main frame (1).

10. A method for automatically transferring and initially separating stacked paper sheets, characterized in that: The method is implemented by using the device according to any one of claims 1 to 9, and the specific steps include: In the initial state, the positioning baffle (1202) is extended, and the clamping and picking shaft (804) is retracted by the first electric push rod (801); When in operation, stacked paper is placed on the positioning baffle (1202), and after the sensor unit (14) located at the feed inlet detects the stacked paper, the first electric push rod (801) extends to clamp the pick-up shaft (804) and press the stacked paper; When the stacked paper is compressed, the positioning baffle (1202) is retracted, the driving motor unit (11) drives the conveying shaft (9), and the synchronous belt transmission mechanism (3) realizes the synchronous rotation of the first conveyor belt (10) and the second conveyor belt (15), and the stacked paper is input into the clamping channel. After entering the clamping channel, the floating pressure rod mechanism (2) enables the first conveyor belt (10) and the second conveyor belt (15) to always be in close contact with the stacked paper; after the stacked paper passes the turning point with the help of the auxiliary turning mechanism (5), the initial separation of the stacked paper is effectively realized; When the stacked paper is delivered from the discharge port, the sensor unit (14) located at the discharge port detects the stacked paper, at which time the driving motor unit (11) stops and the device returns to the initial state.