Loading device for snap spring in lock cylinder
By using a vibratory feeder and cylinder system in conjunction with a handle gripper cylinder to adjust the handle position, the automatic and precise feeding of lock cylinder retaining rings is achieved. This solves the problems of positioning deviation and assembly defect rate caused by manual operation, and improves the efficiency and stability of lock cylinder assembly.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2026-03-17
- Publication Date
- 2026-04-14
AI Technical Summary
The existing lock cylinder assembly equipment suffers from problems such as high labor intensity, low efficiency, positioning deviation, and directional misalignment in the spring feeding process, resulting in a high rate of defective products. Furthermore, the springs are prone to jamming and deformation, increasing assembly costs and complexity.
The system uses a vibratory feeder, a vertical block, and a closing cylinder to achieve automatic and orderly delivery of the snap rings. The snap rings are precisely lowered by the stop block and the vertical cylinder, and the handle position is adjusted by the push cylinder and the rotary motor. The handle gripper cylinder is used for stable clamping to ensure accurate assembly of the snap rings.
It significantly reduces the labor intensity of operators, improves material loading efficiency, reduces positioning deviation and assembly defect rate, simplifies processes, reduces costs, and improves the level of production automation and assembly accuracy.
Smart Images

Figure CN224115563U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a feeding device for a retaining spring in a lock cylinder, specifically a feeding device for a retaining spring in a lock cylinder. Background Technology
[0002] In the field of lock manufacturing, the lock cylinder, as the core component of a lock, directly determines the security, stability, and scale of production of the lock through its assembly precision and efficiency. As the lock industry rapidly develops towards precision and automation, the lock cylinder assembly process is gradually moving away from the traditional manual operation mode, and various automated assembly equipment is being widely used. Among them, the snap ring assembly is one of the key processes in the lock cylinder assembly process. Its assembly quality directly affects the axial positioning stability of the internal components of the lock cylinder, and thus determines the service life and anti-theft performance of the lock cylinder. Therefore, higher requirements are placed on the precision and efficiency of snap ring assembly.
[0003] Currently, the snap ring assembly devices in existing lock cylinder assembly equipment still have many technical defects that urgently need to be addressed, making it difficult to meet the demands of large-scale, high-precision production. In the snap ring feeding stage, traditional assembly methods mostly rely on manual feeding. Operators need to pick up small, easily deformable snap rings one by one and place them in the corresponding assembly positions on the fixture. This operation method is not only labor-intensive and inefficient, but also prone to problems such as snap ring positioning deviation and directional misalignment during manual placement, leading to snap rings being prone to loosening and falling off after assembly, significantly increasing the defect rate of lock cylinder assembly. At the same time, the snap rings themselves have gaps in their structure and uneven weight distribution. When manually grasped or simply pushed mechanically, snap rings are prone to jamming and deformation, further increasing assembly costs and process complexity. Moreover, when the handle is not in place on the fixture, the position of the handle needs to be adjusted. Utility Model Content
[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a feeding device for the retaining spring in the lock cylinder.
[0005] To achieve the above objectives, this utility model provides the following technical solution: it further includes a vibratory feeder, a snap ring feeding track, a vertical block, a vertical cylinder, and a closing cylinder. The vibratory feeder is connected to the snap ring feeding track. A stop block is provided at the end of the snap ring feeding track. A passage is provided between the stop block and the snap ring feeding track for the snap ring to pass through vertically. The vertical cylinder drives the vertical block to move vertically and the vertical block is located at the top of the passage. There is an installation position for placing a clamp below the passage. The closing cylinder is set on both sides of the installation position and is used to close and fix the snap ring. The stop block has a magnetic attraction state to hold the snap ring.
[0006] By adopting the above technical solution, the working process is as follows: the vibratory feeder sorts the retaining rings in an orderly manner and sends them into the retaining ring feeding track. The retaining rings are transported along the track to the end, where the stop block holds the retaining rings, aligning them with the vertical passage between the stop block and the track. After the clamp is placed in the installation position below the passage, the vertical cylinder drives the vertical block to move up and down, thereby pushing the retaining rings downward. The retaining rings fall vertically into the corresponding position of the clamp along the passage. Subsequently, the closing cylinders on both sides of the installation position are activated to close and fix the retaining rings, completing the core process of retaining ring feeding. This replaces the traditional manual feeding method, achieving automatic and orderly feeding of retaining rings through the vibratory feeder. The vertical block and the stop block work together to ensure that the retaining rings fall accurately to the designated position. The closing cylinders ensure that the retaining rings are stable and do not loosen after assembly, significantly reducing the labor intensity of operators, improving feeding efficiency, reducing problems such as retaining ring positioning deviation and directional misalignment, reducing the defect rate of lock cylinder assembly, avoiding retaining ring jamming and deformation caused by manual grasping, simplifying the assembly process and reducing assembly costs.
[0007] The present invention is further configured to include a push cylinder, a movable seat, a rotary motor, and a handle gripper cylinder. The push cylinder drives the movable seat to move to the installation position, the rotary motor is mounted on the movable seat and drives the handle gripper cylinder to rotate, and the handle gripper cylinder has a clamping state for clamping the handle on the clamp.
[0008] By adopting the above technical solution, after the fixture is placed in the installation position and the retaining ring is initially placed, the cylinder drives the moving seat to move towards the installation position. The rotary motor on the moving seat drives the handle gripper cylinder to rotate, adjusting the position of the handle gripper cylinder so that it aligns with the handle on the fixture. Subsequently, the handle gripper cylinder enters the clamping state, stably clamping the handle of the fixture, assisting in the closing and fixing of the retaining ring and subsequent assembly processes. This solves the problem of handle positioning deviation on the fixture in the background technology. By using the handle gripper cylinder to clamp the handle, the rotary motor to adjust the position, and the cylinder to drive the movement, the automatic adjustment and fixing of the handle position is achieved, further improving the accuracy of retaining ring assembly, avoiding retaining ring misalignment caused by handle offset, ensuring the stability of lock cylinder assembly, and reducing manual handle adjustment operations, further improving the level of production automation and assembly efficiency.
[0009] The present invention is further configured to include a movable track, which is parallel to the circlip feeding track and opposite to the installation position, and the movable seat is slidably disposed on the movable track.
[0010] By adopting the above technical solution, when the cylinder drives the moving seat to move, the moving seat slides smoothly along the moving track parallel to the circlip feeding track and aligned with the installation position. This drives the rotary motor and the handle gripper cylinder to move synchronously along the moving track, ensuring that the handle gripper cylinder moves accurately to the position of the clamp handle and completes the clamping. The moving track provides a stable sliding guide for the moving seat, avoiding deviation or shaking during the movement of the moving seat, ensuring the accuracy of the handle gripper cylinder alignment, further improving the stability of handle clamping, indirectly ensuring the accuracy of circlip assembly, and at the same time making the movement of the moving seat smoother, reducing mechanical jamming, reducing the equipment failure rate, and improving the operational stability and service life of the device.
[0011] The present invention is further configured to include a push rod, one end of which is fixed to the movable seat, and the other end of which is linked with the push cylinder to form a drive cylinder for the movable seat.
[0012] By adopting the above technical solution, when the cylinder is activated, it moves synchronously with one end of the push rod, causing the movable seat fixed at the other end of the push rod to move synchronously. This, in turn, drives the rotary motor and handle gripper cylinder on the movable seat to move to the installation position, enabling the handle gripper cylinder to clamp the handle of the clamp. To transmit the driving force of the push cylinder through the push rod, the driving force transmission is made more stable and uniform, avoiding uneven force caused by the push cylinder directly driving the movable seat. This reduces the wear of the movable seat and related components, extends the service life of the equipment, and improves the synchronicity and stability of the movable seat movement. It also ensures the precise alignment of the handle gripper cylinder, further guaranteeing the efficiency and accuracy of the snap ring assembly.
[0013] The present invention is further configured to include a snap ring frame, a vertical cylinder mounted on the snap ring frame, a stop block mounted on the snap ring frame, a snap ring extension extending from the top of the stop block toward the snap ring feeding track, and a guide opening for the vertical block to pass through on the snap ring extension.
[0014] By adopting the above technical solution, both the vertical cylinder and the stop block are fixed on the snap ring frame. The snap ring extension, which extends from the top of the stop block towards the snap ring feeding track, plays an auxiliary limiting role for the snap ring. When the vertical cylinder drives the vertical block to move, the vertical block moves vertically through the guide port on the snap ring extension, thereby controlling the opening and closing of the port and completing the precise falling and subsequent fixing of the snap ring. The snap ring frame provides stable installation support for the vertical cylinder and the stop block, improving the overall structural stability of the device. The snap ring extension further limits the snap ring, preventing it from shifting when it is transported to the end. The guide port plays a precise guiding role for the movement of the vertical block, preventing the shift of the vertical block from causing misalignment of the port opening and closing, ensuring that the snap ring can accurately fall into the corresponding position of the fixture, reducing snap ring jamming and shifting problems, further improving the accuracy and efficiency of snap ring feeding, and reducing the assembly defect rate. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the overall structure of the present invention with a clamp;
[0016] Figure 2 This is a schematic diagram of the overall structure of the present invention without clamps;
[0017] Figure 3 This utility model Figure 1 A magnified view of part A in the image;
[0018] Figure 4 This utility model Figure 2 A magnified view of part B in the image.
[0019] In the diagram: 1. Vibratory feeder; 2. Snap ring feeding track; 3. Vertical block; 4. Vertical cylinder; 5. Closing cylinder; 6. Stop block; 61. Through port; 7. Push cylinder; 71. Moving seat; 72. Rotary motor; 73. Handle gripper cylinder; 74. Moving track; 75. Push rod; 8. Snap ring frame; 81. Snap ring extension; 82. Guide port. Detailed Implementation
[0020] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0021] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0022] like Figure 1-4As shown, it also includes a vibratory feeder 1, a snap ring feeding track 2, a vertical block 3, a vertical cylinder 4, and a closing cylinder 5. The vibratory feeder 1 is connected to the snap ring feeding track 2. A stop block 6 is provided at the end of the snap ring feeding track 2. A passage 61 for the snap ring to pass through vertically is provided between the stop block 6 and the snap ring feeding track 2. The vertical cylinder 4 drives the vertical block 3 to move vertically, and the vertical block 3 is located at the top of the passage 61. There is an installation position for placing a clamp below the passage 61. The closing cylinder 5 is set on both sides of the installation position and is used to close and fix the snap ring. The stop block 6 has a magnetic attraction state to hold the snap ring. The working process is that the vibratory feeder 1 sorts the snap rings in an orderly manner and sends them into the snap ring feeding track 2. The snap rings are transported along the track to the end. The stop block 6 limits the snap rings, so that the snap rings are aligned with the vertical passage 61 between the stop block 6 and the track. The vertical cylinder 4 drives the vertical block 3 to move up and down to control the opening and closing of the passage 61. After the clamp is placed in the installation position below the passage 61, the vertical block 3 moves up, and the snap ring falls vertically into the corresponding position of the clamp along the passage 61. Then, the closing cylinders 5 on both sides of the installation position are activated to close and fix the snap ring, completing the core process of snap ring feeding. This replaces the traditional manual feeding and realizes the automatic and orderly feeding of snap rings through the vibrating plate 1. The vertical block 3 and the stop block 6 cooperate to ensure that the snap ring falls accurately to the designated position. The closing cylinder 5 ensures that the snap ring is stable and does not loosen after assembly, which greatly reduces the labor intensity of operators, improves feeding efficiency, reduces snap ring positioning deviation and directional misalignment, reduces the defect rate of lock cylinder assembly, avoids snap ring jamming and deformation caused by manual grasping, simplifies the assembly process and reduces assembly costs.
[0023] It also includes a push cylinder 7, a movable base 71, a rotary motor 72, and a handle gripper cylinder 73. The push cylinder 7 drives the movable base 71 to move towards the installation position. The rotary motor 72 is mounted on the movable base 71 and drives the handle gripper cylinder 73 to rotate. The handle gripper cylinder 73 has a gripping state for holding the handle on the clamp. When the clamp is placed in the installation position and the retaining spring has been initially placed, the push cylinder 7 drives the movable base 71 to move towards the installation position. The rotary motor 72 on the movable base 71 drives the handle gripper cylinder 73 to rotate, adjusting the position of the handle gripper cylinder 73 so that it is aligned with the handle on the clamp. The handle is then gripped by the handle gripper cylinder 73, which stabilizes the handle and assists in the closing and fixing of the snap ring and subsequent assembly processes. This solves the problem of handle misalignment in the fixture in the background technology. By using the handle gripper cylinder 73 to hold the handle, the rotary motor 72 to adjust the position, and the cylinder 7 to drive the movement, the handle position is automatically adjusted and fixed, further improving the accuracy of snap ring assembly, avoiding snap ring misalignment caused by handle offset, ensuring the stability of lock cylinder assembly, and reducing manual handle adjustment, thus further improving the level of production automation and assembly efficiency.
[0024] It also includes a moving track 74, which is parallel to the snap ring feeding track 2 and opposite to the installation position. The moving seat 71 is slidably set on the moving track 74. When the pushing cylinder 7 drives the moving seat 71 to move, the moving seat 71 slides smoothly along the moving track 74, which is parallel to the snap ring feeding track 2 and aligned with the installation position. This drives the rotary motor 72 and the handle gripper cylinder 73 to move synchronously along the moving track 74, ensuring that the handle gripper cylinder 73 moves accurately to the position of the clamp handle and completes the clamping. The moving track 74 provides a stable sliding guide for the moving seat 71, avoiding deviation or shaking during the movement of the moving seat 71, ensuring the accuracy of the alignment of the handle gripper cylinder 73, further improving the stability of the handle clamping, indirectly ensuring the accuracy of snap ring assembly, and at the same time making the movement of the moving seat 71 smoother, reducing mechanical jamming, reducing the equipment failure rate, and improving the operational stability and service life of the device.
[0025] It also includes a push rod 75, one end of which is fixed to the movable seat 71, and the other end is linked to the push cylinder 7 to drive the movable seat 71. When the push cylinder 7 is activated, it drives the movable seat 71, which is fixed to the other end of the push rod 75, to move synchronously through linkage with one end of the push rod 75. This drives the rotary motor 72 and the handle gripper cylinder 73 on the movable seat 71 to move to the installation position, thereby enabling the handle gripper cylinder 73 to clamp the handle of the clamp. In order to transmit the driving force of the push cylinder 7 through the push rod 75, the driving force transmission is made more stable and uniform, avoiding uneven force caused by the push cylinder 7 directly driving the movable seat 71, reducing the wear of the movable seat 71 and related components, extending the service life of the equipment, and improving the synchronicity and stability of the movement of the movable seat 71, ensuring the precise alignment of the handle gripper cylinder 73, and further ensuring the efficiency and accuracy of the snap ring assembly.
[0026] It also includes a snap ring frame 8, a vertical cylinder 4 mounted on the snap ring frame 8, and a stop block 6 mounted on the snap ring frame 8. A snap ring extension 81 extends from the top of the stop block 6 towards the snap ring feeding track 2. The snap ring extension 81 has a guide opening 82 for the vertical block 3 to pass through. Both the vertical cylinder 4 and the stop block 6 are fixed to the snap ring frame 8. The snap ring extension 81 extending from the top of the stop block 6 towards the snap ring feeding track 2 provides auxiliary limiting for the snap ring. When the vertical cylinder 4 drives the vertical block 3 to move, the vertical block 3 moves vertically through the guide opening 82 on the snap ring extension 81, thus achieving the function of controlling the movement of the snap ring. The opening and closing of port 61 controls the precise dropping and subsequent fixing of the snap ring; it provides stable installation support for the snap ring frame 8 to the vertical cylinder 4 and the stop block 6, improving the overall structural stability of the device. The snap ring extension 81 further limits the snap ring, preventing it from shifting when it is transported to the end. The guide port 82 provides precise guidance for the movement of the vertical block 3, preventing it from shifting and causing misalignment through the opening and closing of port 61, ensuring that the snap ring can accurately fall into the corresponding position of the fixture, reducing snap ring jamming and shifting problems, further improving the accuracy and efficiency of snap ring feeding, and reducing the assembly defect rate.
[0027] Working process: First, the cylinder 7 is activated, which, through linkage with one end of the push rod 75, drives the movable seat 71, fixed at the other end of the push rod 75, to slide smoothly along the movable track 74, which is parallel to the circlip feeding track 2 and aligned with the installation position. The rotary motor 72 on the movable seat 71 drives the handle gripper cylinder 73 to rotate, adjusting the position of the handle gripper cylinder 73 so that it aligns with the handle on the fixture. Then, the handle gripper cylinder 73 actuates and enters the clamping state. Based on the feedback from the corresponding sensors, the position of the handle on the fixture is adjusted. Afterwards, the vibratory plate 1 sorts the circlips in an orderly manner. The snap ring is fed into the feeding track 2, and the snap ring is transported to the end of the track. The stop block 6 holds the snap ring, aligning it with the vertical passage 61 between the stop block 6 and the track. When the vertical cylinder 4 drives the vertical block 3 to move, the vertical block 3 passes through the guide port 82 on the snap ring extension 81 and moves vertically. After the fixture is placed in the installation position below the passage 61, the vertical block 3 moves downward, and the snap ring falls vertically into the corresponding position of the fixture along the passage 61. Then, the closing cylinders 5 on both sides of the installation position are activated to close and fix the snap ring. At this time, the entire process of snap ring assembly is completed.
Claims
1. A feeding device for a retaining spring in a lock cylinder, characterized in that: It also includes a vibratory feeder (1), a snap ring feeding track (2), a vertical block (3), a vertical cylinder (4), and a closing cylinder (5). The vibratory feeder (1) is connected to the snap ring feeding track (2). A stop block (6) is provided at the end of the snap ring feeding track (2). A passage (61) for the snap ring to pass through vertically is provided between the stop block (6) and the snap ring feeding track (2). The vertical cylinder (4) drives the vertical block (3) to move vertically and the vertical block (3) is located at the top of the passage (61). There is an installation position for placing a clamp below the passage (61). The closing cylinder (5) is set on both sides of the installation position and is used to close and fix the snap ring. The stop block (6) has a magnetic attraction state that attracts the snap ring.
2. The feeding device for the retaining ring in a lock cylinder according to claim 1, characterized in that: It also includes a push cylinder (7), a moving seat (71), a rotary motor (72) and a handle gripper cylinder (73). The push cylinder (7) drives the moving seat (71) to move to the installation position. The rotary motor (72) is mounted on the moving seat (71) and drives the handle gripper cylinder (73) to rotate. The handle gripper cylinder (73) has a gripping state for gripping the handle on the fixture.
3. The feeding device for the retaining ring in a lock cylinder according to claim 2, characterized in that: It also includes a moving track (74), which is parallel to the circlip feeding track (2) and opposite to the installation position, and the moving seat (71) is slidably set on the moving track (74).
4. The feeding device for the retaining ring in a lock cylinder according to claim 2, characterized in that: It also includes a push rod (75), one end of which is fixed to the movable seat (71), and the other end is linked with the push cylinder (7) to form the drive of the push cylinder (7) to the movable seat (71).
5. The feeding device for the retaining ring in a lock cylinder according to claim 1, characterized in that: It also includes a snap ring frame (8), a vertical cylinder (4) is mounted on the snap ring frame (8), a stop block (6) is mounted on the snap ring frame (8), and a snap ring extension (81) is provided on the top of the stop block (6) extending toward the snap ring feeding track (2). A guide port (82) for the vertical block (3) to pass through is provided on the snap ring extension (81).