A coin conveying mechanism for a high-speed coin sorting machine

Abstract

This utility model provides a coin conveying mechanism for a high-speed coin sorting machine, including a support plate. The support plate has, sequentially, a central rotating wheel, a coin inlet wheel assembly, a cross-arm pressure wheel assembly, multiple single-swing arm pressure wheel assemblies, multiple double-swing arm pressure wheel assemblies, and a main drive wheel on its side, all connected in series via a synchronous belt to form a closed transmission chain. A coin sorting plate is located at the bottom of the support plate, with coin sorting slots on the plate. Guide rails are mounted on the sides of the coin sorting slots, and these guide rails are positioned opposite to the lower part of the synchronous belt. This utility model achieves high-speed, stable coin conveying and efficient sorting by optimizing the transmission and pressure wheel structure and combining it with the coin sorting plate guide rail design.

Description

Technical Field

[0001] This utility model relates to the technical field of coin conveying mechanisms, and in particular to a coin conveying mechanism for a high-speed coin sorting machine. Background Technology

[0002] A coin sorting machine is an automated financial device with multiple functions, including counterfeit detection, sorting, counting, classification, and even packaging. This equipment is mainly used in bank cash centers, large commercial retail outlets, public transportation systems (such as subways and bus companies), and self-service outlets to handle large quantities of mixed coins, effectively improving the efficiency of coin processing in circulation.

[0003] However, many coin sorting machines currently on the market suffer from low efficiency in actual use. During the sorting process, the coin conveying is not fast enough, failing to meet the demands of banks, public transportation, and retail for rapid sorting of large quantities of coins. This inefficient processing capacity prolongs operation time, increases labor and maintenance costs, reduces capital turnover efficiency, and impacts the overall effectiveness of the equipment.

[0004] Therefore, the aforementioned technical issues need to be resolved. Utility Model Content

[0005] In view of the shortcomings of the prior art described above, the purpose of this utility model is to provide a coin conveying mechanism for a high-speed coin sorting machine, so as to solve the problem of low coin conveying efficiency in the prior art.

[0006] To achieve the above and other related objectives, this utility model provides the following technical solution: a coin conveying mechanism for a high-speed coin sorting machine, comprising a support plate, wherein a central rotating wheel, a coin inlet wheel assembly, a cross-arm pressure wheel assembly, multiple sets of single-swing arm pressure wheel assemblies, multiple sets of double-swing arm pressure wheel assemblies, and a main drive wheel are sequentially arranged on the side of the support plate, and are connected in series by a synchronous belt to form a closed transmission chain; a coin sorting plate is provided at the bottom of the support plate, a coin sorting slot assembly is provided on the coin sorting plate, and a guide rail is provided on the side of the coin sorting slot assembly, the guide rail being positioned opposite to the lower part of the synchronous belt.

[0007] The above technical solution is achieved by setting a closed synchronous belt transmission chain on the support plate, consisting of a central transfer wheel, a coin feeding wheel group, a cross-arm pressure wheel group, a single swing arm pressure wheel group, a double swing arm pressure wheel group, and a main drive wheel. Combined with a coin sorting plate with coin sorting slots and guide rails at the bottom, continuous, stable, high-speed coin conveying and precise sorting are realized. Under the clamping of the synchronous belt and guide rails, the coins pass through each pressure wheel group in sequence, are smoothly conveyed and orderly guided to the coin sorting slots, effectively solving the problem of low efficiency in the conveying process of traditional coin sorting machines.

[0008] In one embodiment of the present invention, the coin slot group includes multiple coin slots, which are arranged sequentially in the direction of coin conveying, and the diameter of the coin slots gradually increases or decreases.

[0009] To achieve the above technical solution, multiple coin sorting slots are arranged sequentially along the coin conveying direction in the coin sorting slot group, and the diameter of the coin sorting slots is gradually increased or decreased. This enables step-by-step and orderly classification guidance according to the size of the coins. When the coins are transported by the conveying mechanism to the coin sorting slot of the corresponding diameter, they can fall accurately into the corresponding slot, which significantly improves the sorting efficiency.

[0010] In one embodiment of this utility model, the coin insertion wheel assembly includes a coin insertion base mounted on a support plate; a first coin insertion shaft is provided on the coin insertion base, a coin insertion mounting plate is movably connected to the first coin insertion shaft, a second coin insertion shaft is provided at one end of the coin insertion mounting plate, and a coin insertion wheel is movably connected to the second coin insertion shaft; a limiting rod is provided on the support plate, the limiting rod passes through the coin insertion base and is suspended above the other end of the coin insertion mounting plate.

[0011] To achieve the above technical solution, the movement range of the coin feeding mounting plate is limited by the limiting rod on the support plate, allowing the coin feeding wheel to adaptively adjust its height and rotation angle according to the flow rate and speed of the incoming coins. When a large number of coins enter continuously, the coin feeding wheel can elastically swing under the thrust of the coins, buffering the impact of the coins entering and avoiding congestion and stacking of coins. The limiting rod effectively prevents excessive swing amplitude, ensuring that the coins enter the synchronous belt conveyor channel smoothly and orderly, significantly improving the efficiency and stability of the coin feeding process.

[0012] In one embodiment of the present invention, a tensioning swing arm plate is sleeved on the first coin insertion shaft and is located inside the coin insertion mounting plate; the tensioning swing arm plate and the coin insertion mounting plate are arranged to cross each other; a third coin insertion shaft is provided at one end of the tensioning swing arm plate, and a tensioning wheel is movably connected to the third coin insertion shaft; a limiting rod is suspended at the top of the other end of the tensioning swing arm plate.

[0013] To achieve the above technical solution, an inner tensioning swing arm plate is set on the first coin-feeding rotating shaft and arranged crosswise with the coin-feeding mounting plate to form a linkage tensioning structure. One end of the tensioning swing arm plate is connected to the tensioning wheel through the third coin-feeding rotating shaft, and the top of the other end cooperates with the limiting rod, realizing dynamic tension adjustment of the synchronous belt. When the coin-feeding mounting plate swings due to coin feeding fluctuations, the tensioning swing arm plate moves synchronously, driving the tensioning wheel to automatically adjust the pressure on the synchronous belt, ensuring constant tension during transmission and effectively preventing belt slippage or slack.

[0014] In one embodiment of this utility model, the coin feed wheel is pressed onto the timing belt, and the tensioning wheel abuts against the bottom side of the timing belt.

[0015] To achieve the above technical solution, the coin-feeding wheel is pressed against the upper surface of the synchronous belt. Through its own weight and the linkage of the coin-feeding mounting plate, it applies stable pressure to the coins, ensuring that the coins are reliably clamped and run smoothly with the synchronous belt when entering the conveying channel. At the same time, the tensioning wheel abuts against the bottom side of the synchronous belt, forming an upper and lower clamping structure with the upper coin-feeding wheel. Under the adjustment of the tensioning swing arm plate, it applies a moderate and uniform tension force to the synchronous belt, ensuring that the coins are conveyed in an orderly, single-row, and continuous manner under high-speed sorting conditions, thereby improving the overall operating efficiency of the machine.

[0016] In one embodiment of this utility model, the cross-arm pressure roller group and the double-swing-arm pressure roller group have the same structure, both including a pressure roller shaft, a pair of pressure roller swing arms, and a pair of conveying pressure rollers; the pressure roller shaft is connected to a support plate; the pressure roller swing arms are cross-sleeved onto the pressure roller shaft; the bottom side of each pressure roller swing arm is provided with a conveying pressure roller, and the conveying pressure roller is pressed onto a synchronous belt.

[0017] To achieve the above technical solution, the cross-arm structure allows the two pressure roller swing arms to swing elastically synchronously when the coins pass through, thereby driving coordinated up and down movements and ensuring that the conveying pressure rollers always stably press against the synchronous belt. When the coins pass through the pressure roller group in sequence, the structure can effectively flatten the coin running trajectory, realize the continuous alignment and stable conveying of the coin queue, and significantly improve the stability of coin conveying under high-speed operation.

[0018] In one embodiment of the present invention, the single-swing arm pressure roller assembly includes a pressure roller shaft, a pressure roller swing arm component, and a conveying pressure roller. The pressure roller shaft is connected to a support plate, the pressure roller swing arm component is sleeved on the pressure roller shaft, and a conveying pressure roller is provided on the bottom side of the pressure roller swing arm component. The conveying pressure roller is pressed onto a synchronous belt.

[0019] To achieve the above technical solution, the structure achieves flexible pressing of the synchronous belt through the single-arm swing of the pressure roller swing arm. When the coin passes through with the synchronous belt, the conveying pressure roller can swing slightly upward under the pushing force of the coin, absorbing the impact and adapting to the dynamic changes in coin circulation, thus avoiding rigid jamming.

[0020] In one embodiment of this utility model, the top side of the pressure roller swing arm is provided with a limiting rod relative to the support plate.

[0021] To achieve the above technical solution, a suspended limiting rod is provided on the top side of the pressure roller swing arm corresponding to the support plate position. The limiting rod is used to limit the upward swing stroke of the pressure roller swing arm. When the coin passes through the conveying pressure roller, the pressure roller swing arm may swing upward due to the impact or stacking of the coin. The limiting rod is mechanically limited by contacting or approaching its top side.

[0022] In one embodiment of the present invention, a sensor assembly is provided between the transition section of the single-swing-arm pressure roller assembly and the double-swing-arm pressure roller assembly.

[0023] By implementing the above technical solution, the sensor assembly can monitor the position, speed, and passage status of the coin in real time during the transportation process.

[0024] As described above, the coin conveying mechanism for a high-speed coin sorting machine of this utility model has the following beneficial effects:

[0025] This invention achieves continuous, stable, high-speed coin transport and precise sorting by setting a closed synchronous belt transmission chain on the support plate, consisting of a central transfer wheel, a coin feeding wheel group, a cross-arm pressure wheel group, a single swing arm pressure wheel group, a double swing arm pressure wheel group, and a main drive wheel, and cooperating with a coin sorting plate with a coin sorting slot group and guide rail at the bottom. Under the clamping of the synchronous belt and guide rail, the coins pass through each pressure wheel group in sequence, are smoothly transported and orderly guided to the coin sorting slot group, effectively solving the problem of low efficiency in the transport link of traditional coin sorting machines. Attached Figure Description

[0026] Figure 1 The diagram shown is an overall structural schematic of a coin conveying mechanism for a high-speed coin sorting machine disclosed in an embodiment of this utility model.

[0027] Figure 2 The diagram shown is a schematic diagram of the conveying mechanism of a coin conveying mechanism for a high-speed coin sorting machine disclosed in an embodiment of this utility model.

[0028] Figure 3 The diagram shown is a schematic of the coin sorting plate of a coin conveying mechanism for a high-speed coin sorting machine disclosed in an embodiment of this utility model.

[0029] Figure 4 The diagram shown is a schematic diagram of the coin inlet structure of a coin conveying mechanism for a high-speed coin sorting machine disclosed in an embodiment of this utility model.

[0030] Component labeling: 1. Main panel; 2. Coin dispensing mechanism; 3. Conveying mechanism; 31. Support plate; 32. Coin separating plate; 3201. Coin separating slot assembly; 33. Coin inlet wheel assembly; 3301. Coin inlet base; 3302. First coin inlet shaft; 3303. Coin inlet mounting plate; 3304. Tensioning swing arm plate; 3305. Second coin inlet shaft; 3306. Coin inlet wheel; 3307. Third coin inlet shaft; 3308. 3309. Tensioning wheel; 3310. Limiting block; 3311. Connecting rod; 3312. Limiting rod; 34. Cross arm pressure roller assembly; 3401. Pressure roller shaft; 3402. Pressure roller swing arm assembly; 3403. Conveying pressure roller; 35. Single swing arm pressure roller assembly; 36. Double swing arm pressure roller assembly; 37. Main drive wheel; 38. Synchronous belt; 39. Driven wheel; 310. Sensor assembly; 311. Guide rail; 4. Counterfeit coin transmission mechanism. Detailed Implementation

[0031] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. It should be noted that, unless otherwise specified, the following embodiments and features can be combined with each other.

[0032] Please see Figure 1 This utility model provides a coin conveying mechanism for a high-speed coin sorting machine. The coin sorting machine includes a main panel 1, a coin dispensing mechanism 2, a conveying mechanism 3, and a counterfeit coin conveying mechanism 4. The coin dispensing mechanism 2, the conveying mechanism 3, and the counterfeit coin conveying mechanism 4 are all disposed on the main panel 1. The coin dispensing mechanism 2 and the conveying mechanism 3 are connected. The counterfeit coin conveying mechanism 4 is disposed on the side of the conveying mechanism 3.

[0033] For further details, please refer to Figure 2 The conveying mechanism 3 includes a support plate 31. The sides of the support plate 31 are arranged in sequence with a central rotating wheel, a coin insertion wheel group 33, a cross-arm pressure wheel group 34, multiple single-swing arm pressure wheel groups 35, multiple double-swing arm pressure wheel groups 36, and a main drive wheel 37, which are connected in series by a synchronous belt 38 to form a closed transmission chain. The bottom of the support plate 31 is provided with a coin dividing plate 32. The coin dividing plate 32 is provided with a coin dividing slot group 3201. The sides of the coin dividing slot group 3201 are provided with a guide rail 311, which is positioned opposite to the lower part of the synchronous belt 38.

[0034] By setting a closed synchronous belt 38 transmission chain on the support plate 31, consisting of a central transfer wheel, a coin feeding wheel 3306 group, a cross-arm pressure wheel group 34, a single swing arm pressure wheel group 35, a double swing arm pressure wheel group 36, and a main drive wheel 37, and cooperating with a coin sorting plate 32 with a coin sorting slot group 3201 and a guide rail 311 at the bottom, continuous, stable, high-speed transportation and precise sorting of coins are achieved. Under the clamping of the synchronous belt 38 and the guide rail 311, the coins pass through each pressure wheel group in sequence, are smoothly transported and orderly guided to the coin sorting slot group 3201, effectively solving the problem of low efficiency in the transportation link of traditional coin sorting machines.

[0035] Furthermore, a sensor assembly 310 is provided between the transition section of the single swing arm pressure roller assembly 35 and the double swing arm pressure roller assembly 36.

[0036] The sensor assembly 310 can monitor the position, speed and passage status of the coin in real time during the transport process.

[0037] For further details, please refer to Figure 3 The coin slot group 3201 includes multiple coin slots, which are arranged sequentially in the direction of coin conveying, and the diameter of the coin slots gradually increases or decreases.

[0038] By arranging multiple coin sorting slots sequentially along the coin conveying direction in the coin sorting slot group 3201, and gradually increasing or decreasing the diameter of the coin sorting slots, it is possible to achieve step-by-step and orderly classification guidance according to the size of the coins; when the coins run with the conveying mechanism 3 to the coin sorting slot of the corresponding diameter, they can accurately fall into the corresponding slot, which significantly improves the sorting efficiency.

[0039] For further details, please refer to Figure 4 The coin insertion wheel assembly 33 includes a coin insertion base 3301, which is mounted on a support plate 31. A first coin insertion shaft 3302 is provided on the coin insertion base 3301. A coin insertion mounting plate 3303 is movably connected to the first coin insertion shaft 3302. A second coin insertion shaft 3305 is provided at one end of the coin insertion mounting plate 3303. A coin insertion wheel 3306 is movably connected to the second coin insertion shaft 3305. A limiting rod 3311 is provided on the support plate 31. The limiting rod 3311 passes through the coin insertion base 3301 and is suspended above the other end of the coin insertion mounting plate 3303.

[0040] By using the limiting rod 3311 on the support plate 31 to limit the movement range of the coin feeding mounting plate 3303, the coin feeding wheel 3306 can adaptively adjust its height and rotation angle according to the flow rate and speed of the incoming coins. When a large number of coins enter continuously, the coin feeding wheel 3306 can elastically swing under the force of the coins, buffering the impact of the coins entering and avoiding congestion and stacking of coins. The limiting rod 3311 effectively prevents excessive swing amplitude, ensuring that the coins enter the synchronous belt 38 conveyor channel smoothly and orderly, significantly improving the efficiency and stability of the coin feeding process.

[0041] Furthermore, a tensioning swing arm plate 3304 is sleeved on the first coin insertion shaft 3302 and is located inside the coin insertion mounting plate 3303; the tensioning swing arm plate 3304 and the coin insertion mounting plate 3303 are arranged to cross each other; a third coin insertion shaft 3307 is provided at one end of the tensioning swing arm plate 3304, and a tensioning wheel 3308 is movably connected to the third coin insertion shaft 3307; a limiting rod 3311 is suspended at the top of the other end of the tensioning swing arm plate 3304.

[0042] By setting an inner tensioning swing arm plate 3304 on the first coin-feeding shaft 3302 and arranging it crosswise with the coin-feeding mounting plate 3303 to form a linkage tensioning structure, one end of the tensioning swing arm plate 3304 is connected to the tensioning wheel 3308 through the third coin-feeding shaft 3307, and the top of the other end cooperates with the limiting rod 3311, realizing dynamic tension adjustment of the synchronous belt 38; when the coin-feeding mounting plate 3303 swings due to coin feeding fluctuations, the tensioning swing arm plate 3304 moves synchronously, driving the tensioning wheel 3308 to automatically adjust the pressure on the synchronous belt 38, ensuring constant tension during transmission and effectively preventing belt slippage or slack.

[0043] Furthermore, the coin feed wheel 3306 is pressed onto the timing belt 38, and the tension wheel 3308 abuts against the bottom side of the timing belt 38.

[0044] The coin-feeding roller 3306 is pressed against the upper surface of the synchronous belt 38. Through its own weight and the linkage of the coin-feeding mounting plate 3303, it applies stable pressure to the coin, ensuring that the coin is reliably clamped when it enters the conveying channel and runs smoothly with the synchronous belt 38. At the same time, the tensioning roller 3308 abuts against the bottom side of the synchronous belt 38, forming an upper and lower clamping structure with the upper coin-feeding roller 3306. Under the adjustment of the tensioning swing arm plate 3304, it applies a moderate and uniform tension force to the synchronous belt 38, ensuring that the coins are conveyed in an orderly, single-row, and continuous manner under high-speed sorting conditions, thereby improving the overall operating efficiency of the machine.

[0045] Furthermore, the cross-arm pressure roller assembly 34 and the double-swing-arm pressure roller assembly 36 have the same structure, both including a pressure roller shaft 3401, a pair of pressure roller swing arms 3402, and a pair of conveying pressure rollers 3403; the pressure roller shaft 3401 is connected to the support plate 31; the pressure roller swing arms 3402 are cross-sleeved onto the pressure roller shaft 3401; the bottom side of each pressure roller swing arm 3402 is provided with a conveying pressure roller 3403, and the conveying pressure roller 3403 is pressed onto the synchronous belt 38.

[0046] The cross-arm structure allows the two pressure roller swing arms 3402 to swing elastically synchronously when the coins pass through, thereby driving coordinated up and down movements and ensuring that the conveying pressure roller 3403 always stably presses against the synchronous belt 38. When the coins pass through the pressure roller group in sequence, the structure can effectively flatten the coin running trajectory, realize the continuous alignment and stable conveying of the coin queue, and significantly improve the stability of coin conveying at high speed.

[0047] Furthermore, the single-arm pressure roller assembly 35 includes a pressure roller shaft 3401, a pressure roller swing arm 3402, and a conveying pressure roller 3403. The pressure roller shaft 3401 is connected to the support plate 31, the pressure roller swing arm 3402 is sleeved on the pressure roller shaft 3401, and the conveying pressure roller 3403 is provided on the bottom side of the pressure roller swing arm 3402. The conveying pressure roller 3403 is pressed onto the synchronous belt 38.

[0048] The structure achieves flexible pressing of the timing belt 38 by the single-arm swing of the pressure roller swing arm 3402. When the coin passes through the timing belt 38, the conveying pressure roller 3403 can swing slightly upward under the pushing force of the coin, absorb the impact and adapt to the dynamic changes of coin circulation, and avoid rigid jamming.

[0049] Furthermore, the top side of the pressure roller swing arm 3402 is equipped with a limiting rod 3311 relative to the support plate 31.

[0050] Furthermore, the workflow of a coin conveying mechanism 3 for a high-speed coin sorting machine includes:

[0051] First, the mixed coins to be sorted are inserted through the coin inlet. The coins first enter the coin dispensing mechanism 2 through the coin inlet, and then enter the coin inlet wheel 3306 area. The coins push the coin inlet wheel 3306, causing it to elastically swing around the first coin inlet shaft 3302 via the coin inlet mounting plate 3303, thus buffering and orderly guiding the coin flow. At the same time, the coin inlet wheel 3306 presses against the timing belt 38, ensuring that the coins are clamped and enter the conveying channel. The tension swing arm plate 3304 is cross-linked with the coin inlet mounting plate 3303, and the tension wheel 3308 on it abuts against the bottom side of the timing belt 38. During the swing, the tension is dynamically adjusted, and the swing amplitude is controlled in conjunction with the limit rod 3311 to ensure that the timing belt 38 is always in a stable tension state, preventing slippage or slack.

[0052] Furthermore, the coins are conveyed forward along the lower edge of the coin-separating plate 32 by the synchronous belt 38 and the guide rail 311; during the conveying process, they pass through the intermediate transfer wheel, the cross-arm pressure roller group 34, multiple single-arm pressure roller groups 35 and multiple double-arm pressure roller groups 36 in sequence.

[0053] Furthermore, the conveying rollers 3403 of these roller sets all press down on the synchronous belt 38 from above, forming a multi-directional clamping structure with the lower guide rail 311.

[0054] Furthermore, the cross-arm and double-swing-arm pressure roller assembly 36 achieves stable pressing through the cross-swing of the two arms, while the single-swing-arm pressure roller assembly 35 adapts to the dynamic changes when the coin passes through by swinging the single arm. Each swing arm is limited by a limiting rod 3311 at its top to prevent excessive swinging, thereby effectively suppressing the jumping, tilting or overlapping of the coin and maintaining its smooth, single-row, high-speed operation.

[0055] Furthermore, a sensor assembly 310 is provided in the transition section between the single-arm pressure roller assembly 35 and the double-arm pressure roller assembly 36 to monitor the number, speed and circulation status of coins in real time, and to detect abnormalities such as blockage and coin leakage in a timely manner.

[0056] Furthermore, when the coins are conveyed to the end, they reach the coin sorting plate 32 area. The coin sorting slots 3201 on the coin sorting plate 32 are arranged sequentially along the conveying direction, with the slot diameter gradually changing (from small to large or from large to small). Coins of different diameters fall into the coin sorting slots that match their size in sequence during the journey, completing the automatic sorting. The sorted coins can then be further processed into counting, packaging, or recycling stages.

[0057] This invention achieves high-speed, precise coin transport and efficient sorting through the coordinated transmission of synchronous belts and multi-stage pressure rollers, significantly improving equipment processing capacity and operational reliability.

[0058] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit this utility model. All equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A coin conveying mechanism for a high speed coin counter, characterized by, The device includes a support plate, on the side of which are arranged a central rotating wheel, a coin insertion wheel assembly, a cross-arm pressure wheel assembly, multiple sets of single-swing arm pressure wheel assemblies, multiple sets of double-swing arm pressure wheel assemblies, and a main drive wheel, which are connected in series by a synchronous belt to form a closed transmission chain; a coin dividing plate is provided at the bottom of the support plate, and a coin dividing slot assembly is provided on the coin dividing slot assembly. A guide rail is provided on the side of the coin dividing slot assembly, and the guide rail is positioned opposite to the lower part of the synchronous belt.

2. The coin conveying mechanism for a high speed coin counter as recited in claim 1, wherein The coin distribution slot group includes multiple coin distribution slots, which are arranged sequentially in the direction of coin conveying, and the diameter of the coin distribution slots gradually increases or decreases.

3. The coin conveying mechanism for a high-speed coin sorting machine according to claim 1, characterized in that, The coin insertion wheel assembly includes a coin insertion base mounted on a support plate; a first coin insertion shaft is provided on the coin insertion base, and a coin insertion mounting plate is movably connected to the first coin insertion shaft; a second coin insertion shaft is provided at one end of the coin insertion mounting plate, and a coin insertion wheel is movably connected to the second coin insertion shaft; a limiting rod is provided on the support plate, and the limiting rod passes through the coin insertion base and is suspended above the other end of the coin insertion mounting plate.

4. The coin conveying mechanism for a high-speed coin sorting machine according to claim 3, characterized in that, A tensioning swing arm plate is sleeved on the first coin insertion shaft and located inside the coin insertion mounting plate; the tensioning swing arm plate and the coin insertion mounting plate are arranged to cross each other; a third coin insertion shaft is provided at one end of the tensioning swing arm plate, and a tensioning wheel is movably connected to the third coin insertion shaft; a limiting rod is suspended at the top of the other end of the tensioning swing arm plate.

5. The coin conveying mechanism for a high-speed coin sorting machine according to claim 4, characterized in that, The coin feed roller is mounted on the timing belt, and the tension roller abuts against the bottom side of the timing belt.

6. The coin conveying mechanism for a high-speed coin sorting machine according to claim 1, characterized in that, The cross-arm pressure roller assembly has the same structure as the double-swing-arm pressure roller assembly, both including a pressure roller shaft, a pair of pressure roller swing arms, and a pair of conveying pressure rollers; the pressure roller shaft is connected to a support plate; the pressure roller swing arms are cross-sleeved onto the pressure roller shaft; each pressure roller swing arm is provided with a conveying pressure roller on its bottom side, and the conveying pressure roller is pressed onto a synchronous belt.

7. The coin conveying mechanism for a high-speed coin sorting machine according to claim 1, characterized in that, The single-swing arm pressure roller assembly includes a pressure roller shaft, a pressure roller swing arm component, and a conveying pressure roller. The pressure roller shaft is connected to a support plate, the pressure roller swing arm component is sleeved on the pressure roller shaft, and a conveying pressure roller is provided on the bottom side of the pressure roller swing arm component. The conveying pressure roller is pressed onto a synchronous belt.

8. A coin conveying mechanism for a high-speed coin sorting machine according to claim 6 or 7, characterized in that, The top side of each pressure roller swing arm is equipped with a limiting rod relative to the support plate.

9. The coin conveying mechanism for a high-speed coin sorting machine according to claim 1, characterized in that, A sensor assembly is installed between the transition section of the single-arm pressure roller assembly and the double-arm pressure roller assembly.

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