Cap twisting structure of filling machine
By designing a linkage structure between the conveyor belt and the capping frame on the filling machine, the problem of bottled materials tipping over during capping is solved, achieving stable capping operation and improving the flexibility of the filling machine.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-20
- Publication Date
- 2026-04-03
AI Technical Summary
The existing capping structure of filling machines makes it easy for bottled material to tip over during the capping process, causing the caps to fail to be properly capped.
A structure comprising a conveyor belt, a capping frame, a pneumatic push rod, a linkage block, a positioning guide rod, a sliding frame, a buffer spring, a clamping plate, a capping guide rod, a capping base, a motor, and a capping rod is designed. Through the coordinated movement of the linkage block and the capping guide rod, the positioning and capping operation of bottled materials are achieved, preventing tipping.
It effectively prevents bottled materials from tipping over during capping, ensuring that the caps can be properly capped, thus improving operational flexibility and stability.
Smart Images

Figure CN224077039U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of capping technology, and in particular relates to a capping structure for a filling machine. Background Technology
[0002] Capping machines are packaging machinery widely used in the pharmaceutical and food industries. They are suitable for the screw-on sealing process of bottle caps after bottling of medicines and food. They are automated devices with high packaging efficiency and simple and convenient operation.
[0003] For example, patent CN217756836U discloses a capping structure for a filling machine, including a base. A conveyor belt is mounted on the upper side of the base, and a fixed slide rail is fixed at one end of one side of the conveyor belt. Two columns are fixed at one end of the upper side of the base, and a top plate is fixed at the upper end of the two columns. A connecting plate is provided above the top plate, and a screw is rotatably connected through the middle section of the connecting plate. The screw is rotatably connected to the inside of the top plate through a thread, and a lifting plate is rotatably connected to the lower end of the screw. This invention allows for adjustment of the height of the capping drive mechanism by rotating the screw, which, through thread engagement, moves the lifting plate up and down. This enables capping operations on bottles of different heights, improving operational flexibility.
[0004] In existing filling machines, the capping mechanism often causes the bottled material to tip over during the capping process, preventing proper capping. Therefore, we propose a new capping mechanism for filling machines. Utility Model Content
[0005] The purpose of this invention is to address the aforementioned technical problems by providing a capping structure for a filling machine, thereby preventing the bottled material from easily tipping over during the capping process.
[0006] In view of this, the present invention provides a capping structure for a filling machine, including a conveyor belt, a capping frame disposed above the conveyor belt, a pneumatic push rod fixedly connected to the top of the capping frame, a linkage block fixedly connected to the output end of the pneumatic push rod, positioning guide rods screwed to both sides of the top of the linkage block, a sliding frame that slides horizontally with the capping frame screwed to the bottom of the positioning guide rod, a buffer spring fixedly connected to the bottom of the sliding frame, a clamping plate fixedly connected to one end of the buffer spring, capping guide rods screwed to both sides of the bottom of the linkage block, a capping base that slides horizontally with the capping frame screwed to the bottom of the capping guide rods, a motor fixedly connected to both ends of the capping base, a capping rod fixedly connected to the output end of the motor, a pressure spring fixedly connected to the bottom of the capping frame, and a pressure plate fixedly connected to the bottom of the pressure spring.
[0007] Based on the above structure, the linkage block slides through the positioning guide rod, causing the sliding frame to slide along the bottom end of the cap-rubbing frame. The sliding frame slides through the buffer spring, causing the clamping plate to fit against the outer wall of the bottled material, thus achieving the positioning operation of the bottled material. At the same time, the linkage block slides through the cap-rubbing guide rod, causing the cap-rubbing base to slide along the bottom end of the cap-rubbing frame. The sliding cap-rubbing base causes the cap-rubbing rod to fit against the bottle cap. Then, the motor works to drive the cap-rubbing rod to rotate, causing the bottle cap to perform the cap-rubbing operation, thus preventing the bottled material from tipping over during the cap-rubbing process.
[0008] Preferably, the sliding path of the sliding frame is parallel to the sliding path of the cover-rubbing base. In this embodiment, the sliding block drives the sliding frame to slide along the bottom end of the cover-rubbing frame through the positioning guide rod. At the same time, the sliding block drives the cover-rubbing base to slide along the bottom end of the cover-rubbing frame through the cover-rubbing guide rod, thereby realizing the control operation of synchronous movement of the sliding frame and the cover-rubbing base.
[0009] Preferably, the outer wall of the cap-rubbing rod is provided with anti-slip vertical grooves. In this embodiment, this helps to increase the friction between the cap-rubbing rod and the bottle cap, and prevents the cap-rubbing rod and the bottle cap from sliding relative to each other.
[0010] Preferably, the pressure plate is arc-shaped. In this embodiment, by setting the pressure plate in an arc shape, it is beneficial to level the tilted bottle cap and avoid the bottle cap being unable to be properly rubbed.
[0011] Preferably, a feeding frame is provided at one end of the conveyor belt, a reciprocating motor is fixedly connected to the outer wall of the feeding frame, a swing plate is fixedly connected to the output end of the reciprocating motor, telescopic guide grooves are provided at both ends of the swing plate, a telescopic baffle is movably connected in the groove of the telescopic guide groove, and a telescopic sliding groove is provided at the connection between the feeding frame and the telescopic baffle. In this embodiment, the rotation of the reciprocating motor drives the swing plate to swing back and forth, and the swing plate swings through the telescopic guide groove to drive the telescopic baffle to slide vertically along the outer wall of the telescopic sliding groove, so that the bottled material enters the capping frame through the telescopic baffle. At the same time, by setting two sets of parallel telescopic baffles, it is beneficial to feed the bottled material in sequence and avoid the bottled material being pushed during capping, which would cause the bottled material to tip over.
[0012] Preferably, the telescopic baffle is provided in two sets, and the two sets of telescopic baffles are parallel. In this embodiment, by providing two sets of telescopic baffles, it is beneficial to feed bottled materials sequentially.
[0013] Preferably, the swing center of the swing plate is located at the midpoint between the two sets of telescopic baffles. In this embodiment, the reciprocating motor rotates to drive the swing plate to swing back and forth. The swing plate swings and drives the telescopic baffle to slide vertically along the outer wall of the telescopic slide through the telescopic guide groove, so that the bottled material passes through the telescopic baffle and enters the capping frame, realizing the sequential feeding operation of the bottled material.
[0014] The beneficial effects of this utility model are:
[0015] 1. The capping structure of this filling machine, by setting telescopic baffles, the swing plate swings and drives the telescopic baffles to slide vertically along the outer wall of the telescopic slide groove through the telescopic guide groove, so that the bottled material enters the capping frame through the telescopic baffles. At the same time, the two sets of parallel telescopic baffles facilitate the sequential feeding of bottled material and avoid the bottled material being pushed during capping, which could cause the bottled material to tip over.
[0016] 2. The capping structure of this filling machine, through the setting of clamping plates and capping rods, allows the linkage block to slide along the bottom end of the capping frame via the positioning guide rod. The sliding frame slides and, through the buffer spring, causes the clamping plate to fit against the outer wall of the bottled material, thus achieving the positioning operation of the bottled material. At the same time, the linkage block slides and, through the capping guide rod, causes the capping base to slide along the bottom end of the capping frame. The sliding capping base causes the capping rod to fit against the bottle cap. Then, the motor works to drive the capping rod to rotate, causing the bottle cap to be capped, thus preventing the bottled material from tipping over during the capping process. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0018] Figure 2 This is a schematic diagram of the internal structure of the folding frame of this utility model;
[0019] Figure 3 for Figure 2 Enlarged view of point A in the middle;
[0020] Figure 4 This is a schematic diagram of the internal structure of the feeding frame of this utility model.
[0021] The markings in the diagram are as follows:
[0022] 1. Conveyor belt; 2. Covering frame; 3. Pneumatic push rod; 4. Linkage block; 5. Positioning guide rod; 6. Sliding frame; 7. Buffer spring; 8. Clamping plate; 9. Covering guide rod; 10. Covering base; 11. Motor; 12. Covering rod; 13. Pressure spring; 14. Pressure plate; 15. Feeding frame; 16. Reciprocating motor; 17. Swinging plate; 18. Telescopic guide chute; 19. Telescopic baffle; 20. Telescopic slide chute. Detailed Implementation
[0023] The following is in conjunction with the appendix Figure 1 - Figure 4 This application will be described in further detail.
[0024] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," and "horizontal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.
[0025] This application discloses a capping structure for a filling machine, including a conveyor belt 1, a capping frame 2 above the conveyor belt 1, a pneumatic push rod 3 fixedly connected to the top of the capping frame 2, a linkage block 4 fixedly connected to the output end of the pneumatic push rod 3, positioning guide rods 5 screwed to both sides of the top of the linkage block 4, a sliding frame 6 that slides horizontally with the capping frame 2 screwed to the bottom of the positioning guide rod 5, a buffer spring 7 fixedly connected to the bottom of the sliding frame 6, a clamping plate 8 fixedly connected to one end of the buffer spring 7, capping guide rods 9 screwed to both sides of the bottom of the linkage block 4, a capping base 10 that slides horizontally with the capping frame 2 screwed to the bottom of the capping guide rod 9, a motor 11 fixedly connected to both ends of the capping base 10, a capping rod 12 fixedly connected to the output end of the motor 11, a pressure spring 13 fixedly connected to the bottom of the capping frame 2, and a pressure plate 14 fixedly connected to the bottom of the pressure spring 13.
[0026] Based on the above structure, the linkage block 4 slides through the positioning guide rod 5 to drive the sliding frame 6 to slide along the bottom end of the cap-rubbing frame 2. The sliding frame 6 slides through the buffer spring 7 to drive the clamping plate 8 to fit against the outer wall of the bottled material, thereby realizing the positioning operation of the bottled material. At the same time, the linkage block 4 slides through the cap-rubbing guide rod 9 to drive the cap-rubbing base 10 to slide along the bottom end of the cap-rubbing frame 2. The cap-rubbing base 10 slides to drive the cap-rubbing rod 12 to fit against the bottle cap. Then, the motor 11 works to drive the cap-rubbing rod 12 to rotate, thereby driving the bottle cap to perform the cap-rubbing operation, preventing the bottled material from tipping over during the cap-rubbing process.
[0027] In one embodiment, the sliding path of the sliding frame 6 is parallel to the sliding path of the folding base 10.
[0028] In this embodiment, the linkage block 4 slides through the positioning guide rod 5 to drive the sliding frame 6 to slide along the bottom end of the cover-rubbing frame 2. At the same time, the linkage block 4 slides through the cover-rubbing guide rod 9 to drive the cover-rubbing base 10 to slide along the bottom end of the cover-rubbing frame 2, thereby realizing the control operation of synchronous movement of the sliding frame 6 and the cover-rubbing base 10.
[0029] In one embodiment, the outer wall of the rubbing rod 12 is provided with anti-slip vertical grooves.
[0030] In this embodiment, it is beneficial to increase the friction between the capping rod 12 and the bottle cap, and to prevent the capping rod 12 from sliding relative to the bottle cap.
[0031] In one embodiment, the pressure plate 14 is bow-shaped.
[0032] In this embodiment, by setting an arc-shaped pressure plate 14, it is beneficial to level the tilted bottle cap and avoid the bottle cap not being able to be properly rubbed.
[0033] In one embodiment, a feeding frame 15 is provided at one end of the conveyor belt 1. A reciprocating motor 16 is fixedly connected to the outer wall of the feeding frame 15. A swing plate 17 is fixedly connected to the output end of the reciprocating motor 16. Telescopic guide grooves 18 are provided at both ends of the swing plate 17. A telescopic baffle 19 is movably connected inside the telescopic guide groove 18. A telescopic sliding groove 20 is provided at the connection between the feeding frame 15 and the telescopic baffle 19.
[0034] In this embodiment, the reciprocating motor 16 rotates to drive the swing plate 17 to swing back and forth. The swing plate 17 swings and drives the telescopic baffle 19 to slide vertically along the outer wall of the telescopic slide groove 20 through the telescopic guide groove 18, so that the bottled material enters the capping frame 2 through the telescopic baffle 19. At the same time, by setting two sets of parallel telescopic baffles 19, it is beneficial to feed the bottled material in sequence and avoid the bottled material being pushed during capping, which would cause the bottled material to tip over.
[0035] In one embodiment, two sets of telescopic baffles 19 are provided, and the two sets of telescopic baffles 19 are parallel.
[0036] In this embodiment, by setting two sets of telescopic baffles 19, it is beneficial to feed bottled materials sequentially.
[0037] In one embodiment, the swing center of the swing plate 17 is located at the midpoint between the two sets of telescopic baffles 19.
[0038] In this embodiment, the reciprocating motor 16 rotates to drive the swing plate 17 to swing back and forth. The swing plate 17 swings and drives the telescopic baffle 19 to slide vertically along the outer wall of the telescopic slide groove 20 through the telescopic guide groove 18, so that the bottled material enters the capping frame 2 through the telescopic baffle 19, realizing the sequential feeding operation of the bottled material.
[0039] In this embodiment, the capping structure of the filling machine first injects liquid into the bottled material. Then, the conveyor belt 1 transfers the bottled material to the feeding frame 15. Next, the reciprocating motor 16 rotates, driving the swing plate 17 to swing back and forth. The swing plate 17 swings and drives the telescopic baffle 19 to slide vertically along the outer wall of the telescopic slide 20 through the telescopic guide groove 18, so that the bottled material enters the capping frame 2 through the telescopic baffle 19. At the same time, by setting two sets of parallel telescopic baffles 19, it is beneficial to feed the bottled material in sequence and avoid the bottled material being pushed during capping, which would cause the bottled material to tip over.
[0040] Next, the pneumatic push rod 3 drives the linkage block 4 to slide vertically. The linkage block 4 slides through the positioning guide rod 5, which drives the sliding frame 6 to slide along the bottom end of the cap-rubbing frame 2. The sliding frame 6 slides through the buffer spring 7, which drives the clamping plate 8 to fit against the outer wall of the bottled material, thus achieving the positioning operation of the bottled material. At the same time, the linkage block 4 slides through the cap-rubbing guide rod 9, which drives the cap-rubbing base 10 to slide along the bottom end of the cap-rubbing frame 2. The cap-rubbing base 10 slides, which drives the cap-rubbing rod 12 to fit against the bottle cap. Then, the motor 11 drives the cap-rubbing rod 12 to rotate, which drives the bottle cap to perform the cap-rubbing operation. At the same time, the pressure spring 13 drives the bottle cap at the bottom end of the pressure plate 14 to move downward through its own elastic force, which helps to improve the cap-rubbing speed.
[0041] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A capping structure for a filling machine, characterized in that, Includes a conveyor belt (1), above which is a cover-rubbing frame (2). A pneumatic push rod (3) is fixedly connected to the top of the cover-rubbing frame (2). A linkage block (4) is fixedly connected to the output end of the pneumatic push rod (3). Positioning guide rods (5) are screwed onto both sides of the top of the linkage block (4). A sliding frame (6) that slides horizontally with the cover-rubbing frame (2) is screwed onto the bottom end of the positioning guide rod (5). A buffer spring (7) is fixedly connected to the bottom end of the sliding frame (6). One of the buffer springs (7) A clamping plate (8) is fixedly connected to the end of the linkage block (4). Both sides of the bottom end of the linkage block (4) are screwed with a cover-rubbing guide rod (9). The bottom end of the cover-rubbing guide rod (9) is screwed with a cover-rubbing base (10) that slides horizontally with the cover-rubbing frame (2). Both ends of the cover-rubbing base (10) are fixedly connected with a motor (11). The output end of the motor (11) is fixedly connected with a cover-rubbing rod (12). The bottom end of the cover-rubbing frame (2) is fixedly connected with a compression spring (13). The bottom end of the compression spring (13) is fixedly connected with a pressure plate (14).
2. The capping structure of the filling machine according to claim 1, characterized in that: The sliding path of the sliding frame (6) is parallel to the sliding path of the rubbing base (10).
3. The capping structure of the filling machine according to claim 1, characterized in that: The outer wall of the cover-rubbing rod (12) is provided with anti-slip vertical grooves.
4. The capping structure of the filling machine according to claim 1, characterized in that: The pressure plate (14) is bow-shaped.
5. The capping structure of the filling machine according to claim 1, characterized in that: A feeding frame (15) is provided at one end of the conveyor belt (1). A reciprocating motor (16) is fixedly connected to the outer wall of the feeding frame (15). A swing plate (17) is fixedly connected to the output end of the reciprocating motor (16). Telescopic guide grooves (18) are provided at both ends of the swing plate (17). A telescopic baffle (19) is movably connected in the groove of the telescopic guide groove (18). A telescopic sliding groove (20) is provided at the connection between the feeding frame (15) and the telescopic baffle (19).
6. The capping structure of the filling machine according to claim 5, characterized in that: The telescopic baffle (19) is provided in two sets, and the two sets of telescopic baffle (19) are parallel.
7. The capping structure of the filling machine according to claim 5, characterized in that: The swing center of the swing plate (17) is located at the midpoint between the two sets of telescopic baffles (19).
Citation Information
Patent Citations
Cap twisting structure of filling machine
CN217756836U