High speed capping machine

Abstract

The invention relates to a high-speed capping machine, which comprises a coaxial circular-arc capping cutter and a circular-arc pressing component, the circular-arc capping cutter has a protrusion extending to the center of the circular arc, which is used to engage the lower end of the bottle cap with the neck of the medicine bottle; the circular-arc pressing component has a protrusion on the surface in contact with the bottle cap, which is used to press the bottle cap downward.

Description

Technical Field

[0001] This invention relates to a device for sealing caps and medicine bottles, particularly a device for an automatic capping machine. Background Technology

[0002] In the pharmaceutical or food packaging industry, to ensure the airtightness of the bottle during sealing, a capping mechanism is used to cap the bottle. For example, common medicine bottles are usually made of glass, are cylindrical in shape, and have a flange at the bottle mouth. A capping machine performs a streamlined process, sealing the bottle mouth with a rubber stopper and an aluminum cap. The typical process is as follows: bottle caps, arranged in the required direction by the cap feeding mechanism, are fed into the cap conveyor wheel, where the capping head grips them and screws them together with bottles from the previous process, transferring them to the next process at a certain speed. Summary of the Invention

[0003] The technical solution of the present invention is as follows: A high-speed capping machine, characterized in that it includes a hopper, a cap-sorting hopper, and a capping mechanism. The hopper is positioned above the cap-sorting hopper. The cap-sorting hopper includes an upper vibrating disc and a lower vibrating disc. The edge of the upper vibrating disc is provided with a baffle, and the baffle has an opening. A cap-sorting slide extends downward to the surface of the lower vibrating disc through the opening, and the slide has an opening. The capping mechanism includes an arc-shaped cutting blade and an arc-shaped pressing head component. The arc-shaped cutting blade has a protrusion extending towards the center of the arc, and the protrusion is used to engage the lower end of the bottle cap with the neck of the medicine bottle. The side of the arc-shaped pressing head component that contacts the bottle cap is used to apply downward pressure to the bottle cap.

[0004] Furthermore, the arc-shaped rolling cutter and the arc-shaped pressure head component are coaxially arranged.

[0005] Furthermore, the diameter of the upper vibrating disk is smaller than that of the lower vibrating disk.

[0006] Furthermore, the upper vibrating disk and the lower vibrating disk share the same vibrating base. Furthermore, the lid-covering container includes multiple upper and lower vibrating disks.

[0007] Furthermore, the vibration base is equipped with a vibration motor.

[0008] Furthermore, the opening is a waist-shaped opening, and a groove is provided on one side of the waist-shaped opening.

[0009] Furthermore, there are three slots.

[0010] Furthermore, the lower vibrating disc is provided with a baffle plate around its perimeter, and the baffle plate has a notch that connects to a cap-dropping slide. The bottle cap falls to the mouth of the medicine bottle through the cap-dropping slide, and after passing through the cap-crushing mechanism, the bottle cap engages with the mouth of the medicine bottle. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the lid-and-hopper structure of the present invention; Figure 2 This is a schematic diagram of the structure of the lid of the present invention; Figure 3 This is a schematic diagram of the capping mechanism of the present invention; Figure 4 This is a schematic diagram of the capping mechanism of the present invention; Figure 5 This is a schematic diagram of the cross-section of the rolling cutter of this invention; Figure 6 This is a schematic diagram of the waist-shaped hole on the slide rail of the present invention.

[0012] Among them, 1. Hopper, 2. Cover plate, 3. Cover hopper, 21. Upper vibrating disc, 22. Baffle, 23. Limiting plate, 24. Slide, 25. Flip-top hole, 26. Lower vibrating disc, 27. Interface, 28. Bottle cap. Detailed Implementation

[0013] To enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and preferred embodiments.

[0014] like Figure 1-5 The hopper (storage bin) is located above the equipment and can store a large number of bottle caps. The bottle caps are made of a malleable material, such as aluminum, which can be engaged with the neck of the medicine bottle.

[0015] A large number of bottle caps are placed into the storage hopper, then fall through the hopper into the cap sorting hopper for sorting. Cap sorting refers to unifying the opening direction of the bottle caps before they are transported to the next process in an orderly and stable manner. The cap sorting hopper is used to automatically sort bottle caps in both forward and reverse directions.

[0016] The arranged bottle caps are transported to the cap drop opening via the cap drop chute; At the same time, the medicine bottle is fed into the capping opening through the bottle conveying mechanism; The cap is placed on the mouth of the medicine bottle, and then the capping mechanism engages the cap with the mouth of the medicine bottle.

[0017] The medicine bottle is cylindrical with a neck section at the mouth, which is either grooved or flanged. The lower part of the aluminum cap engages with the groove under the action of the rolling cutter.

[0018] The transmission device may include a conveyor belt and a star wheel for conveying the cover.

[0019] Before capping, the caps need to be straightened to ensure they are aligned correctly. The specific structure of the cap straightening hopper is as follows: Figure 2The upper vibrating disc 21 is provided with a baffle 22 around its perimeter to prevent the cover from slipping off. The baffle has an opening, and a cover sliding track 24 extends out of the opening and connects to the lower vibrating disc. The track has an opening near the outlet position, and one side is close to the side of the slide track near the cover-flipping disc.

[0020] The upper and lower vibrating discs, which are coaxially arranged, are powered by the same vibrating motor. The upper vibrating disc has an outward and downward inclined slide extending from the baffle. The slide is arc-shaped and inclined downward. The slide has a flip-top hole 25. The baffle above the opening has a limiting plate 23, which can guide the bottle cap into the slide.

[0021] The round bottle cap first enters the upper vibrating disk. Under the action of vibration, it gradually slides down to the edge, passes through the slide, falls into the lower vibrating disk, and then falls from the edge notch of the lower vibrating disk. It can connect to the vertically downward slide and slide down to the opening of the medicine bottle.

[0022] The cap-receiving slide of the upper vibrating disc has a special structure. The slide slopes downward and extends downward to the vibrating disc. The width of the slide is slightly larger than the diameter of the cap. The slide has a waist-shaped hole with two or more notches. The diameter of the waist-shaped hole is larger than the diameter of the cap (the length of the waist-shaped hole is larger than the diameter of the cap). The distance between the two notches is slightly larger than the radius of the cap. The sum of the width of the notches and the distance between the two notches is greater than the diameter of the cap. This setting ensures that when the edge of the cap with the opening facing down slides to both notches at the same time, because the center of gravity of the cap with the opening facing down is unsupported, the cap will flip over and fall into the lower vibrating disc by taking advantage of the fact that the center of gravity of the cap does not coincide with its geometric center. After flipping, it becomes an upright cap, and the opening is adjusted so that the cap opening faces upward.

[0023] like Figure 6 The waist-shaped hole of the slide can also be provided with two or more notches, such as three notches. The width and position of the notches are set in the same positional relationship as described above. In this way, even if the cover does not fall off when it passes the first two notches, the last two notches above the waist-shaped hole can ensure that the cover with the opening facing down falls off.

[0024] The upper vibrating disc has a smaller diameter than the lower vibrating disc, and the centrifugal force of the upper vibrating disc is smaller than that of the lower vibrating disc. Therefore, when high speed is required, it is necessary to use two or more cover feeding slides to increase the number of covers fed by the upper vibrating disc.

[0025] like Figure 2 Multiple openings and slides can be set on the baffle, so that more bottle caps can slide out from the slides and enter the next production stage, such as the capping stage. A corresponding fast capping mechanism is required to ensure that the overall production speed is accelerated.

[0026] like Figure 3-5In a pharmaceutical bottle production line, the prepared bottle caps need to be automatically sealed onto the bottle openings, and the entire process needs to be automated. In this invention, a storage hopper contains several bottle caps, which are made of a malleable material, such as aluminum. The caps enter a cap-sorting hopper from the storage hopper for sorting. The hopper automatically sorts the caps in both directions and sends them to the cap-dropping opening via a cap-dropping chute. Simultaneously, the pharmaceutical bottles are conveyed to the cap-dropping opening via a conveyor belt. The caps can then be placed on the bottle openings. At this point, a cap-clamping mechanism further engages the caps at the bottle openings, completing the sealing process.

[0027] Bottles can be transported via a bottle conveying star wheel. The bottles are fed into the bottle conveying star wheel by the bottle conveying mechanism. The bottles are cylindrical with a neck section at the mouth, which is represented by a groove or a flange.

[0028] The capping device includes a semi-circular arc-shaped cutting cutter and a semi-circular arc-shaped pressure head component. The arc-shaped cutting cutter has a protrusion extending towards the center of the arc, which can be a chamfer extending from the edge of the arc towards the center.

[0029] After the bottle cap is sorted by the cap feeding hopper, it slides down the cap feeding chute and fits onto the bottle mouth. The bottle with the cap on then enters through the bottle conveying star wheel and contacts the protrusion of the capping device. The protrusion applies pressure to the bottle cap, pressing the lower end of the cap into the neck of the medicine bottle. At the same time, there is also an arc-shaped pressure head component that contacts the top of the bottle cap. Its surface is not horizontal and has a slight convexity, which is used to press the bottle cap downward.

[0030] Preferably, the angle of the protruding section of the arc-shaped cutting blade is 5-20 degrees, and the angle of the middle section is 20-60 degrees. The entry section refers to the angle between the cutting blade and the horizontal plane when the bottle with the cap closed begins to contact the cutting edge of the arc-shaped cutting blade under the drive of the conveying device. The angle is 5-20 degrees at the beginning. The angle is small at the beginning and gradually increases as the bottle moves along the arc-shaped cutting blade and the cap is pressed and engaged by the cutting blade at the bottle neck.

[0031] Furthermore, when the pressure cutter applies pressure to the bottle cap towards the center of the bottle, the arc-shaped pressure head component presses down on top of the bottle cap to prevent it from moving. This pressure head component, also arc-shaped, has an inlet and an outlet. The inlet angle is 20-40 degrees, and the outlet angle is 70-30 degrees. When the bottle cap contacts the pressure head, the cap is on a horizontal plane, and the angle of the pressure head relative to the cap's horizontal plane gradually increases. As the bottle moves along the arc away from the pressure head, the tilt angle of the pressure head gradually decreases.

[0032] This capping device, which automatically crimps bottle caps onto bottles using an arc-shaped cutting blade and pressure head, is simple in structure, easy to adjust, and more efficient, thus improving production efficiency.

[0033] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A high speed capping machine characterized in that, The device includes a hopper, a cap sorting hopper, and a cap pressing mechanism. The hopper is positioned above the cap sorting hopper, which comprises an upper vibrating disc and a lower vibrating disc. The upper vibrating disc has a baffle at its edge with an opening. A cap sorting slide extends downward to the surface of the lower vibrating disc through the opening, and the slide has an opening. The cap pressing mechanism includes an arc-shaped cutting blade and an arc-shaped pressing head. The arc-shaped cutting blade has a protrusion extending towards the center of the arc, which is used to engage the lower end of the bottle cap with the neck of the medicine bottle. The arc-shaped pressing head has a protrusion on the side that contacts the bottle cap, which is used to apply downward pressure to the bottle cap. When the medicine bottle with the cap closed begins to contact the arc-shaped cutting edge under the drive of the conveying device, the angle between the protrusion of the cutting edge and the horizontal plane is initially small, but gradually increases as the bottle moves along the arc-shaped cutting edge and the cap is pressed and engaged by the cutting edge at the bottle neck. When the cutting blade applies pressure to the bottle cap towards the center of the bottle, the arc-shaped pressure head component presses down on the bottle cap to prevent the bottle cap from moving. When the bottle cap contacts the pressure head component, the bottle cap is on a horizontal plane. The angle of the pressure head component relative to the horizontal plane of the bottle cap gradually increases. As the bottle moves away from the pressure head component along the arc, the tilt angle of the pressure head component gradually decreases. The arc-shaped rolling cutter and the arc-shaped pressure head are coaxially arranged.

2. The high speed lamination machine according to claim 1, wherein, The diameter of the upper vibrating disk is smaller than that of the lower vibrating disk.

3. The high speed lamination machine according to claim 2, wherein, The upper vibrating disk and the lower vibrating disk share the same vibrating base.

4. A high speed lidding machine according to claim 3, wherein, The described hopper includes multiple upper and lower vibrating discs.

5. A high speed lidding machine according to claim 4, wherein, The vibration base is equipped with a vibration motor.

6. A high speed lidding machine according to claim 5, wherein, The opening is a waist-shaped opening, and a groove is provided on one side of the waist-shaped opening.

7. A high speed lidding machine according to claim 6, wherein, There are three slots.

8. A high speed lidding machine according to claim 7, wherein, The lower vibrating disc is provided with a baffle plate around its perimeter. The baffle plate has a notch that connects to a cap-dropping slide. The bottle cap falls onto the mouth of the medicine bottle through the cap-dropping slide and is then engaged with the mouth of the medicine bottle by the capping mechanism.

Images