A quantity-controllable micro gear feeding mechanism

Abstract

The utility model belongs to industrial gear manufacturing technical field especially relates to a controllable miniature gear feeding mechanism, is used for feeding and batch stacking miniature gear, including the frame body that is equipped with the front opening, feeding unit, push unit and accumulation unit, through the closed connection channel that constitutes by feeding piece, intercommunication arc groove and push unit, the synergistic effect that combines the buffer spare and its built -in elastic reset swing spare, created controllable connection channel opening and closing mechanism. When buffer spare moves to rear position, swing spare keeps open state, allows miniature gear to enter buffer cavity from intercommunication arc groove and carries out batch accumulation buffering smoothly, when buffer spare moves to front position, swing spare turns to contraction state, automatically cuts off the channel, thereby realizes under the premise that feeding is not interrupted, rear gear can be stacked in buffer cavity in turn and is temporarily stored, obviously improves the stability and reliability of feeding.

Description

Technical Field

[0001] This utility model belongs to the field of industrial gear manufacturing technology, and in particular relates to a micro gear feeding mechanism with controllable quantity. Background Technology

[0002] Currently, common methods for feeding micro gears often employ a combination of vibratory feeders and linear feeders or robotic grippers. While these traditional technologies are relatively mature for handling macroscopic parts, they reveal several inherent drawbacks when applied to micro gears at millimeter or even smaller scales. First, vibratory feeders rely on vibration to drive gear sorting, making them extremely sensitive to the tiny size and lightweight nature of micro gears. This can easily lead to gear jamming, wear, or tilting due to vibration, causing supply interruptions and poor reliability. Furthermore, it is difficult to precisely control the quantity fed per batch. Second, while using robotic grippers or suction nozzles for direct gripping avoids the sorting problem, it suffers from efficiency bottlenecks. Only a small number of workpieces can be transferred at a time, failing to meet the demands of high-speed continuous production. Moreover, the lack of an effective online feeding buffer mechanism means that if a downstream process experiences a brief pause, the entire feeding process is forced to stop, affecting production continuity. Utility Model Content

[0003] The purpose of this invention is to provide a micro gear feeding mechanism with controllable quantity, which aims to solve the technical problems of difficult stacking and uncontrollable quantity of micro gears in the prior art.

[0004] To achieve the above objectives, this utility model provides a micro gear feeding mechanism with controllable quantity for feeding and batch stacking micro gears, including a frame with a front opening, and... The feeding unit includes a feeding component, which is flush with the upper end of the frame and extends outward from the frame. The feeding component has a through inlet. The lower end of the feeding component is also fixedly connected to a connecting arc groove, which cooperates with the feeding component to form a connecting channel. The connecting channel has a left connecting port and a right connecting port that are connected end to end. A pushing unit is located on the left side of the frame, and the driving end of the pushing unit passes through the left connecting port and enters the communicating arc groove; The stacking unit includes a buffer component disposed within the frame and movable back and forth. The buffer component is positioned at its forward limit (front position) and at its rear limit (rear position). The buffer component has an upward-opening buffer cavity that communicates with the right connection port. The front end of the buffer cavity has a spring-loaded swing member that abuts against the feeding component. When the buffer component moves to the rear position, the swing member remains open to open the communication arc groove and the buffer cavity. When the buffer component moves to the front position, the swing member remains retracted to close the communication between the right connection port and the buffer cavity.

[0005] Furthermore, a front-to-back translation cylinder is provided inside the frame. The driving end of the front-to-back translation cylinder is connected to a drive block, and the other end of the drive block is connected to the buffer component to drive the buffer component to move back and forth.

[0006] Furthermore, the pushing unit includes a top extension member and left and right top extension cylinders. The left end of the frame is provided with a forward-extending support plate, and the left and right top extension cylinders are disposed on the support plate. The driving end of the left and right top extension cylinders drives the top extension member to extend from left to right into the connecting channel to place the micro gear in the buffer cavity.

[0007] Furthermore, the connecting arc groove faces downward to form a concave semi-circular arc shape, the diameter of which is adapted to the diameter of the micro gear; at the same time, the front and rear width of the feed inlet is adapted to the diameter of the connecting arc groove, so that the micro gear can just pass through the feed inlet and reach the connecting arc groove.

[0008] Furthermore, a baffle plate extends from the top of the frame and is disposed on the side of the buffer cavity away from the feeder to close the end of the buffer cavity.

[0009] Furthermore, the swinging component includes a deflection block and a connecting shaft. The front end of the buffer component is rotatably connected to the lower end of the deflection block through the connecting shaft. A torsion spring is also sleeved on the connecting shaft. The torsion spring is connected to the deflection block and the connecting shaft, so that the deflection block and the buffer component remain in a contracted state without interference.

[0010] Furthermore, a supporting top plate is provided on the side of the feeding component near the buffer component, and the distance between the supporting top plate and the partition plate is less than the width of the deflecting block; wherein, when the buffer component moves to the rear position, the lower end of the deflecting block moves backward with the buffer component, and the upper end of the deflecting block always abuts against the supporting top plate, so that the buffer cavity opens and communicates with the right connection port; when the buffer component moves to the front position, the lower end of the deflecting block moves forward with the buffer component, and the upper end of the deflecting block always abuts against the supporting top plate, so that the buffer cavity closes and communicates with the right connection port.

[0011] Furthermore, the right connection port has the same diameter as the buffer cavity.

[0012] Furthermore, the bottom of the frame is connected to a fixed base that can move up and down with it.

[0013] The above-mentioned technical solutions of the controllable-quantity micro gear feeding mechanism provided in this utility model embodiment have at least one of the following technical effects: In this design, a controllable opening and closing mechanism for the connection channel is created through a closed connecting channel consisting of a feeding component, a connecting arc groove, and a pushing unit, combined with the synergistic effect of a buffer component and its built-in elastic reset swing component. When the buffer component moves to the rear position, the swing component remains open, allowing micro gears to smoothly enter the buffer cavity from the connecting arc groove for batch stacking and buffering. When the buffer component moves to the front position, the swing component retracts, automatically cutting off the channel. This allows subsequent gears to be stacked flat and temporarily stored in the buffer cavity without interrupting feeding. This significantly improves the stability and controllability of feeding, making it particularly suitable for assembly lines that require high-precision control of the number of micro gears. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 A schematic diagram of the overall structure of the micro gear feeding mechanism with controllable quantity provided in the embodiment of this utility model; Figure 2 Disassembly diagram of the overall structure of the controllable quantity micro gear feeding mechanism provided in this embodiment of the utility model; Figure 3 A schematic diagram of the stacking unit of the micro gear feeding mechanism with controllable quantity provided in the embodiment of this utility model; Figure 4 A schematic diagram of the open state of the stacking unit of the micro gear feeding mechanism with controllable quantity provided in the embodiment of this utility model; Figure 5 A schematic diagram of the collapsed state of the stacking unit of the micro gear feeding mechanism with controllable quantity provided in the embodiment of this utility model; The following are the labeling elements in the figure: 100. Frame; 200, Feeding unit; 210, Feeding component; 220, Inlet; 230, Connecting arc groove; 240, Connecting channel; 250, Left connecting port; 260, Right connecting port; 270, Supporting top plate; 300. Pushing unit; 310. Top extension component; 320. Left and right top extension cylinders; 330. Support plate; 400. Stacking unit; 410. Buffer component; 420. Front position; 430. Rear position; 440. Buffer cavity; 450. Swing component; 451. Deflection block; 452. Connecting shaft; 453. Torsion spring; 500. Front and rear translation cylinder; 510. Drive block; 600. Partition plate; 700. Fixed base. Detailed Implementation

[0016] The embodiments of this utility model are described in detail below, examples of which are shown in the accompanying drawings 1-5, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The following description is based on the accompanying drawings. Figure 1-5 The described embodiments are exemplary and intended to explain embodiments of the present invention, and should not be construed as limiting the present invention.

[0017] In the description of the embodiments of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of 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.

[0018] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0019] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.

[0020] In one embodiment of this utility model, a micro gear feeding mechanism with controllable quantity is provided for feeding and batch stacking micro gears, including a frame 100 with a front opening, and The feeding unit 200 includes a feeding component 210, which is flush with the upper end of the frame 100 and extends outward from the frame 100. The feeding component 210 has a through inlet 220. The lower end of the feeding component 210 is also fixedly connected to a connecting arc groove 230, which cooperates with the feeding component 210 to form a connecting channel 240. The connecting channel 240 has a left connecting port 250 and a right connecting port 260 that are connected end to end. A pushing unit 300 is located on the left side of the frame 100. The driving end of the pushing unit 300 passes through the left connection port 250 and enters the connecting arc groove 230. The stacking unit 400 includes a buffer 410 disposed within the frame 100 and movable back and forth. The buffer 410 is positioned at its forward limit (front position 420) and at its rear limit (rear position 430). The buffer 410 has an upward-opening buffer cavity 440, which is connected to the right connection port 260. The front end of the buffer cavity 440 has a spring-loaded swing member 450. The inner side of the swing member 450 abuts against the feeding member 210. When the buffer 410 moves to the rear position 430, the swing member 450 remains open to open the connection between the connecting arc groove 230 and the buffer cavity 440. When the buffer 410 moves to the front position 420, the swing member 450 remains retracted to close the connection between the right connection port 260 and the buffer cavity 440.

[0021] Specifically, the micro gear is propelled from the feed port 220 of the feeder 210 into the connecting channel 240, which is formed by the feeder 210 and the connecting arc groove 230. At this time, the buffer 410 is in the rear position 430, and its swing member 450 remains open due to its own elasticity and the contact with the feeder 210, so that the right connecting port 260 of the connecting channel 240 is fully connected to the buffer cavity 440. The right connecting port 260 and the buffer cavity 440 have the same diameter. The drive end of the push unit 300 is located on the left side of the connecting arc groove 230 and is in standby mode. When the push unit 300 is activated, its drive end enters from the left connecting port 250 and moves along the connecting arc groove 230 towards the right connecting port 260, smoothly pushing the micro gear into the rear position 430. A batch of micro-gears accumulated in the connecting channel 240 is smoothly pushed into the buffer cavity 440, which is in the rear position 430 with its opening wide, for stacking and buffering. After pushing is completed, the drive end retracts to its initial position outside the left connecting port 250, and the buffer component 410 moves to the front position 420, isolating the connecting channel 240 and the buffer cavity 440, preparing for the next pushing. In this way, the micro-gears are placed into the buffer cavity 440 one by one for buffering. When the number of micro-gears in the buffer cavity 440 reaches a specified number, the operating device (such as a robot arm) can retrieve the micro-gears from the buffer cavity 440 one by one or in batches. This is the unloading part and will not be described in detail. After unloading is completed, the mechanism returns to the initial state and prepares to start the next "pushing-buffering-isolation-unloading" work cycle. The number of micro-gears output can be controlled, thereby achieving an efficient and controllable coordination between the continuity of the loading process and the batch nature of the unloading operation.

[0022] Furthermore, a front-to-back translation cylinder 500 is provided inside the frame 100. The driving end of the front-to-back translation cylinder 500 is connected to the actuator block 510, and the other end of the actuator block 510 is connected to the buffer component 410 to drive the buffer component 410 to move back and forth.

[0023] Furthermore, the pushing unit 300 includes a top extension member 310 and left and right top extension cylinders 320. The left end of the frame 100 is provided with a forward-extending support plate 330, and the left and right top extension cylinders 320 are disposed on the support plate 330. The driving end of the left and right top extension cylinders 320 drives the top extension member 310 to extend from left to right into the connecting channel 240 to place the micro gear in the buffer cavity 440.

[0024] Furthermore, the connecting arc groove 230 forms a concave semi-circular arc shape facing downwards, with its diameter matching the diameter of the micro gear; simultaneously, the front-to-back width of the inlet 220 matches the diameter of the connecting arc groove 230, allowing the micro gear to pass precisely through the inlet 220 and reach the connecting arc groove 230. Specifically, the process of the micro gear falling from the inlet 220 is not a pure free fall motion, but requires guidance. First, the area of ​​the inlet 220 on the horizontal plane should be consistent with the maximum cross-sectional area of ​​the micro gear, so that the micro gear can constrain the direction of entry into the inlet 220. The front-to-back width of the inlet 220 and the diameter of the connecting arc groove 230 are precisely matched with the diameter of the micro gear, which means that the gear's movement space in the front-to-back and left-to-right directions is strictly limited during its descent. When the gear enters the connecting arc groove 230, its cylindrical surface fits perfectly with the semi-circular groove wall. This process continuously positions the gear radially, ensuring that each gear lies smoothly in the arc groove in the expected, consistent posture (usually with the axis horizontal) and is arranged in an orderly manner along the channel.

[0025] Furthermore, a baffle plate 600 extends from the top of the frame 100. The baffle plate 600 is located on the side of the buffer cavity 440 away from the feeder 210 to close the end of the buffer cavity 440. This baffle plate 600 is always located on the side of the right connection port 260, acting like a fixed top cover or side wall. When the pushing unit 300 pushes the gear from the connection channel 240 to the buffer cavity 440, the baffle plate 600 seals the buffer cavity outlet from the right, preventing the gear from popping out or deviating from the predetermined path due to inertia or misalignment under the thrust.

[0026] Furthermore, the swing member 450 includes a deflection block 451 and a connecting shaft 452. The front end of the buffer member 410 is rotatably connected to the lower end of the deflection block 451 through the connecting shaft 452. A torsion spring 453 is also sleeved on the connecting shaft 452. The torsion spring 453 is connected to the deflection block 451 and the connecting shaft 452, so that the deflection block 451 and the buffer member 410 remain in a contracted state without interference. A support top plate 270 is also provided on the side of the feeding component near the buffer component 410. The distance between the support top plate 270 and the partition plate 600 is less than the width of the deflection block 451. When the buffer component 410 moves to the rear position 430, the lower end of the deflection block 451 moves backward with the buffer component 410, while the upper end of the deflection block 451 always abuts against the support top plate 270, thus opening the buffer cavity 440 and connecting it to the right connection port 260. When the buffer component 410 moves to the front position 420, the lower end of the deflection block 451 moves forward with the buffer component 410, while the upper end of the deflection block 451 always abuts against the support top plate 270, thus closing the connection between the buffer cavity 440 and the right connection port 260. Specifically, when the buffer component 410 moves from the front position 420 to the rear position 430, the upper end of the deflection block 451 will contact the support top plate 270 fixed on the feeding component. As the buffer 410 continues to move backward, because the distance between the supporting top plate 270 and the partition plate 600 is less than the width of the deflecting block 451, the upper end of the deflecting block 451 is blocked by the supporting top plate 270, but its lower end continues to move backward with the buffer 410. This relative movement forces the deflecting block 451 to overcome the elastic force of the torsion spring 453 and rotate counterclockwise around the connecting shaft 452, thus presenting an open state and opening the channel between the right connecting port 260 and the buffer cavity 440. When the buffer 410 moves from the rear position 430 to the front position 420, the process is reversed: the upper end of the deflecting block 451 contacts the supporting top plate 270 again and is blocked by it, while the lower end moves forward with the buffer 410. Under the restoring torque of the torsion spring 453, the deflecting block 451 rotates clockwise to the contracted state, closing the channel. By using the movement of the buffer 410 itself as the trigger condition, and through the physical interference between the deflection block 451 and the fixed support top plate 270, combined with the restoring force of the torsion spring 453, the opening and closing of the channel can be precisely controlled. The structure is simple and the cost is low.

[0027] Furthermore, the bottom of the frame 100 is connected to a movable mounting base 700. Adjustable installation methods, such as through sliding rail linkage or interlocking, allow for rapid adjustment of the feeding mechanism's working height according to actual working conditions, ensuring that its inlet 220 can perfectly connect with the feeding equipment.

[0028] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A micro gear feeding mechanism with controllable quantity, used for feeding and batch stacking micro gears, characterized in that, Including a frame with a front opening, and The feeding unit includes a feeding component, which is flush with the upper end of the frame and extends outward from the frame. The feeding component has a through inlet. The lower end of the feeding component is also fixedly connected to a connecting arc groove, which cooperates with the feeding component to form a connecting channel. The connecting channel has a left connecting port and a right connecting port that are connected end to end. A pushing unit is located on the left side of the frame, and the driving end of the pushing unit passes through the left connecting port and enters the communicating arc groove; The stacking unit includes a buffer component disposed within the frame and movable back and forth. The buffer component is positioned at its forward limit (front position) and at its rear limit (rear position). The buffer component has an upward-opening buffer cavity that communicates with the right connection port. The front end of the buffer cavity has a spring-loaded swing member that abuts against the feeding component. The swing member remains open when the buffer component moves to the rear position to open the communication arc groove between the buffer cavity and the buffer cavity. When the buffer component moves to the front position, the swing member remains retracted to close the communication between the right connection port and the buffer cavity.

2. The micro gear feeding mechanism with controllable quantity according to claim 1, characterized in that, The frame is equipped with a front-to-back translation cylinder. The driving end of the front-to-back translation cylinder is connected to a drive block, and the other end of the drive block is connected to the buffer component to drive the buffer component to move back and forth.

3. The micro gear feeding mechanism with controllable quantity according to claim 1, characterized in that, The pushing unit includes a top extension member and left and right top extension cylinders. The left end of the frame is provided with a forward-extending support plate, and the left and right top extension cylinders are disposed on the support plate. The driving end of the left and right top extension cylinders drives the top extension member to extend from left to right into the connecting channel to place the micro gear in the buffer cavity.

4. The micro gear feeding mechanism with controllable quantity according to claim 1, characterized in that, The connecting arc groove faces downward and forms a concave semi-circular arc shape, the diameter of which is adapted to the diameter of the micro gear; at the same time, the front and rear width of the feed port is adapted to the diameter of the connecting arc groove, so that the micro gear can just pass through the feed port and reach the connecting arc groove.

5. The micro gear feeding mechanism with controllable quantity according to claim 1, characterized in that, A baffle plate extends from the top of the frame and is located on the side of the buffer cavity away from the feeder to close the end of the buffer cavity.

6. The micro gear feeding mechanism with controllable quantity according to claim 5, characterized in that, The swinging component includes a deflection block and a connecting shaft. The front end of the buffer component is rotatably connected to the lower end of the deflection block via the connecting shaft. A torsion spring is also sleeved on the connecting shaft. The torsion spring is connected to the deflection block and the connecting shaft, so that the deflection block and the buffer component remain in a contracted state without interference.

7. The micro gear feeding mechanism with controllable quantity according to claim 6, characterized in that, A supporting top plate is also provided on the side of the feeding component near the buffer component. The distance between the supporting top plate and the partition plate is less than the width of the deflecting block. When the buffer component moves to the rear position, the lower end of the deflecting block moves backward with the buffer component, and the upper end of the deflecting block always abuts against the supporting top plate, so that the buffer cavity opens and communicates with the right connection port. When the buffer component moves to the front position, the lower end of the deflecting block moves forward with the buffer component, and the upper end of the deflecting block always abuts against the supporting top plate, so that the buffer cavity closes and communicates with the right connection port.

8. The micro gear feeding mechanism with controllable quantity according to claim 1, characterized in that, The right connection port has the same diameter as the buffer cavity.

9. The micro gear feeding mechanism with controllable quantity according to claim 1, characterized in that, The bottom of the frame is connected to a fixed base that can move up and down.

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