A cap taking structure of a cap taking device of a capping machine
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NANJING LEHUI LIGHT IND EQUIP
- Filing Date
- 2025-06-06
- Publication Date
- 2026-06-30
AI Technical Summary
Existing capping machines suffer from low efficiency, high cost, and complex installation, and are particularly unsuitable for lightweight or irregularly shaped caps.
The cap dispenser structure includes horizontally arranged channels and an air blowing device. The cap output is controlled by a cap-blocking mechanism to ensure that the cap is output in a horizontal state, and efficient and orderly cap output is achieved through converging channels.
It improves the output speed and stability of the lid, reduces production costs, adapts to more lid types, and enhances production efficiency and applicability.
Smart Images

Figure CN224430127U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of packaging machinery, specifically to the field of capping machine structure. Background Technology
[0002] A capping machine is a device used to cap bottled products. It utilizes a rotating cam mechanism at the top to drive a capping mechanism to cap the bottles. In the capping machine industry, the cap-removing method is an indispensable and crucial link in modern packaging production lines, and its importance cannot be underestimated. The choice of cap-removing method directly affects overall production efficiency, product quality, and cost control. An efficient cap-removing system ensures accurate cap supply, enabling smooth, rapid, and damage-free transfer of caps, whether on a high-speed production line or for caps of specific shapes and materials, thus guaranteeing the continuity and consistency of the capping operation. Furthermore, a reasonable cap-removing method can significantly reduce cap loss during transport, reduce energy consumption, and improve overall production economy.
[0003] Traditional cap removal methods are divided into vibratory disc cap removal and spiral lifting cap removal, specifically:
[0004] Vibratory feeder cap feeding is a common cap feeding method in automated packaging production lines. Its principle is based on vibration technology and the physical properties of the materials. Its main components are a vibration source, a vibratory feeder, a guide rail, and a discharge port. Under vibration, the caps move within the feeder and gradually enter the preset track. The track design allows the caps to automatically align into the required posture during movement. The caps rise along the spiral track, eventually reaching the discharge port on the top or side of the vibratory feeder. Vibratory feeder cap feeding enables continuous cap supply, making it suitable for high-volume production lines, and the vertical lifting design saves space. However, this method requires cap posture adjustment, resulting in insufficient overall efficiency. Vibration can also cause collisions between caps, leading to damage or blockages and affecting the production process. Furthermore, to ensure correct cap alignment and smooth flow, the vibratory feeder requires precise calibration, resulting in significant labor costs.
[0005] The screw conveyor cap feeder is a cap feeding mechanism used in capping machines, based on the physical concept of a screw conveyor. The screw conveyor consists of one or more screw shafts with helical blades welded onto them. These shafts are housed within a tubular or trough-shaped casing, forming a closed or semi-closed conveying channel. Caps move within the helical channel by the thrust of the helical blades and their own weight. A discharge port is located at the top of the screw conveyor; when caps reach the top, they automatically slide out or are guided to the next processing stage. The screw conveyor cap feeder is particularly suitable for handling heavier caps that are difficult to move on a flat vibratory feeder, or in space-constrained production environments. However, it may not be suitable for all types of caps, especially lightweight, slippery, or irregularly shaped caps, as these may be difficult to maintain a stable position or cause blockages during the lifting process. Utility Model Content
[0006] To address the above problems, this utility model proposes a cap-removing structure for a capping machine, which has high working efficiency and stable operation, solving the problems of excessive cost, complex installation, and insufficient efficiency of existing cap-removing methods.
[0007] The technical solution of this utility model is as follows: the cap holder structure includes a slide 1 for holding the cap and a cap holder 2 fixedly installed at the bottom outlet of the slide 1. The cap holder 2 has two horizontally arranged channels 21. Each channel 21 has an air inlet 22 at the top and a cover mechanism 23 at the bottom of each channel.
[0008] An air blowing device 24 is fixedly installed above the air inlet 22 and is inclined toward the air inlet 22;
[0009] The cover mechanism 23 includes a cylinder 231 fixedly installed on the bottom surface of the cover 2 and a stop rod 232 fixedly installed on the output end of the cylinder 231. The stop rod 232 can extend into or retract from the channel 21.
[0010] Furthermore, the channels 21 are arranged in an L-shape, and the two channels converge and lead out of the cover from the same outlet.
[0011] Furthermore, the blowing device 24 blows air into the air inlet 22 at a 45° angle.
[0012] Furthermore, the slide 1 is fixedly installed on the frame of the capping machine by a bracket and is located next to the turntable of the capping machine. Two vertically arranged positioning rods 25 are also fixedly installed on the frame of the capping machine, and the bottom ends of the two positioning rods 25 are simultaneously fixedly connected to the cap container 2.
[0013] The two channels in this invention, controlled by the blocking / releasing mechanism, allow for rhythmic and rapid output of caps, adapting to the fast-paced operation of high-speed capping machines. The horizontally arranged channels ensure the caps remain horizontal after being blown out, preventing them from landing crookedly at the bottle mouth. The convergence of the two channels and output from the same outlet facilitates both efficient cap output and a fixed output position. Overall, this design significantly improves cap output speed, ensures orderly and stable output, and features a compact structure and easy assembly. Furthermore, the dual channels can accommodate a wider range of cap types, broadening the applicability of this invention. Attached Figure Description
[0014] Figure 1 This is a schematic diagram illustrating the implementation method of this case.
[0015] Figure 2 This is a structural diagram of the case.
[0016] Figure 3 This is a schematic diagram of the internal structure of this case.
[0017] Figure 4 This is a structural diagram of the passageway in this case.
[0018] Figure 5 This is a schematic diagram of the cover mechanism in this case;
[0019] In the diagram, 1 is the slide, and 2 is the cover.
[0020] 21 is the channel, 22 is the air inlet, 23 is the cover mechanism, 231 is the cylinder, 232 is the stop lever, 24 is the air blowing device, and 25 is the positioning rod. Detailed Implementation
[0021] To clearly illustrate the technical features of this patent, the following detailed description is provided through specific embodiments and in conjunction with the accompanying drawings.
[0022] like Figure 1 As shown, the capping machine includes a frame, a turntable, and several capping devices. The turntable rotates under the drive of a rotational power source, and the several capping devices are evenly distributed along the circumference of the turntable.
[0023] The cap holder structure includes a slide 1 for holding the cap and a cap holder 2 fixedly installed at the bottom outlet of the slide 1. The cap holder 2 has two horizontally arranged channels 21, each channel 21 has an air inlet 22 at the top, and each channel has a cap-blocking mechanism 23 below it. In this way, the horizontally arranged channels can keep the cap horizontal after it is blown out, avoiding the problem of it falling crookedly at the bottle mouth.
[0024] An air blowing device 24 is fixedly installed above the air inlet 22 and is inclined toward the air inlet 22;
[0025] The cap-blocking mechanism 23 includes a cylinder 231 fixedly mounted on the bottom surface of the cap container 2 and a stop rod 232 fixedly mounted on the output end of the cylinder 231. The stop rod 232 can extend into or retract from the channel 21. When the stop rod extends into the channel, it can block the cap, and the cap will temporarily stop even if airflow is blowing. When the stop rod is pushed out of the channel, the cap will be output outward under the blowing of airflow. In this way, under the blocking / releasing control of the cap-blocking mechanism, the two channels can be controlled to output the cap quickly and rhythmically, thereby adapting to the fast working rhythm of the high-speed capping machine.
[0026] The channels 21 are arranged in an L-shape, and the two channels converge and lead out of the cover from the same outlet. This facilitates efficient cover output while maintaining a fixed output position.
[0027] The air blowing device 24 blows air into the air inlet 22 at a 45° angle to ensure that the cover slides in the channel at the fastest speed.
[0028] In any of the above embodiments, the slide 1 is fixedly installed on the frame of the capping machine by a bracket, and is located next to the turntable of the capping machine. Two vertically arranged positioning rods 25 are also fixedly installed on the frame of the capping machine, and the bottom ends of the two positioning rods 25 are simultaneously fixedly connected to the cap container 2. In this way, by using the two positioning rods for positioning, the height position of the cap container and the angle of the outlet can be effectively fixed, allowing the capping machine to accurately obtain caps each time.
[0029] There are many specific implementation methods for this utility model. The above description is only a preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements can be made without departing from the principle of this utility model, and these improvements should also be considered within the protection scope of this utility model.
Claims
1. A cap-taker of a capping machine, characterized by comprising: The cap holder structure includes a slide (1) for holding the cap and a cap holder (2) fixedly installed at the bottom outlet of the slide (1). The cap holder (2) has two horizontally arranged channels (21), each channel (21) has an air inlet (22) at the top, and each channel has a cover mechanism (23) below it. An air blowing device (24) is fixedly installed above the air inlet (22) and is inclined toward the air inlet (22); The cover mechanism (23) includes a cylinder (231) fixedly installed on the bottom surface of the cover (2) and a stop rod (232) fixedly installed on the output end of the cylinder (231), the stop rod (232) being able to extend into or retract from the channel (21).
2. The cap-taker structure of the capping machine according to claim 1, wherein The channels (21) are arranged in an L-shape, and the two channels converge and lead out of the cover from the same outlet.
3. The cap-taker structure of the capping machine according to claim 1, wherein The blowing device (24) blows air into the air inlet (22) at a 45° angle.
4. The cap taking structure of a capping machine according to any one of claims 1 to 3, wherein The slide (1) is fixedly installed on the frame of the capping machine by a bracket and is located next to the turntable of the capping machine. Two vertically arranged positioning rods (25) are also fixedly installed on the frame of the capping machine. The bottom ends of the two positioning rods (25) are simultaneously fixedly connected to the cap container (2).