CN219469653U

CN219469653U - Cover screwing mechanism of cover screwing machine

Info

Publication number: CN219469653U
Application number: CN202320475955.7U
Authority: CN
Inventors: 夏伟军; 裘涵洋
Original assignee: Zhoushan Shark Pharmaceutical Machinery Co ltd
Current assignee: Zhoushan Shark Pharmaceutical Machinery Co ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-08-04
Anticipated expiration: 2033-03-07

Abstract

The utility model provides a cap screwing mechanism of a cap screwing machine, and belongs to the technical field of cap screwing of medicine bottles. The bottle cap screwing mechanism solves the problem that the outer surface of a bottle cap is easy to scratch in the cap screwing process of the existing cap screwing mechanism. The cap screwing mechanism of the cap screwing machine comprises a rotating shaft, a cap screwing head and clamping jaws, wherein the cap screwing head and the clamping jaws are arranged on the rotating shaft, the upper ends of the clamping jaws are hinged to the cap screwing head, the clamping jaws are at least three, all the clamping jaws are arranged at intervals along the circumferential direction of the cap screwing head at equal intervals, a silica gel clamping block or a rubber clamping block is fixed on the inner side wall of the lower end of each clamping jaw, a positioning block capable of vertically and elastically floating is arranged at a position, below the cap screwing head, of the inner side of each clamping jaw, and the positioning block can abut against the top surface of a bottle cap. The silica gel clamp splice or the rubber clamp splice of this structure has certain elasticity, has avoided the lateral wall rigid contact with the bottle lid, and the lateral wall of bottle lid is difficult for being scraped the flower, has also improved the clamping force to the bottle lid simultaneously for the centre gripping of bottle lid is more stable.

Description

Cover screwing mechanism of cover screwing machine

Technical Field

The utility model belongs to the technical field of cap screwing machines, and particularly relates to a cap screwing mechanism of a cap screwing machine.

Background

The automatic cap screwing machine is mainly applied to screwing and sealing production equipment of bottle caps in various industries of cosmetics, medicines, veterinary medicines, pesticides and lubricating oil. In the production process of medical products, an automatic cap screwing machine clamps the bottle cap through clamping claws and then mechanically rotates to screw and seal the bottle cap at the opening of a glass medicine bottle or a plastic medicine bottle.

At present, chinese patent net discloses a gland spiral cover all-in-one bottle lid screwing device [ application number: 201910110797.3 it is right the clamping part of bottle, screw the spiral cover portion of bottle lid when screwing the lid, the clamping part has a pair of effect close or remove mutually and hold up or release the grip block of bottle, spiral cover portion includes a pair of rotatory clamping jaw head of clampable bottle lid, clamping jaw head top is equipped with the mount pad, the mount pad lower part is equipped with the pivot that drives clamping jaw head rotation, be connected with the displacement axle that can promote synchronous downshift when clamping jaw head rotation on the mount pad, the displacement axle upper end is equipped with and promotes the displacement axle swing and through the mount pad and then realize clamping jaw head and send the wobbling swing cover between lid device and the draw-in groove, be equipped with the mechanism that opens and shuts that realizes clamping jaw head switching between pivot lower extreme and the clamping jaw head, open and close the mechanism has the conical head that struts or tightens up a pair of clamping jaw head through the lifting movement.

The bottle cap screwing device has the following defects in the operation process: the clamping jaw head is generally made of metal materials, friction force between the bottle cap and the clamping jaw head is small, in order to ensure stable clamping and fixing of the bottle cap, slipping between the bottle cap and the clamping jaw head is prevented in the process of screwing the bottle cap, the clamping jaw head needs to apply large clamping force to act on the bottle cap, anti-slip lines are formed in the outer peripheral surface of the bottle cap, and anti-slip lines on the bottle cap are easy to scratch.

Disclosure of Invention

The utility model aims at solving the problems in the prior art, and provides a cap screwing mechanism of a cap screwing machine, which aims at solving the technical problems that: how to solve the problem that the outer surface of the bottle cap is easy to scratch in the process of screwing the cap by the existing cap screwing mechanism.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a spiral cover mechanism of spiral cover machine, includes the pivot, sets up in epaxial spiral cover head and clamping jaw, the upper end of clamping jaw articulates on spiral cover head, its characterized in that, the clamping jaw has at least three, and all clamping jaws set up along the circumference equidistance interval of spiral cover head, be fixed with silica gel clamp splice or rubber clamp splice on the inside wall of clamping jaw lower extreme, the inboard of clamping jaw is located the position under the spiral cover head and is provided with the locating piece that can follow vertical elasticity and float, the locating piece can lean on with the top surface of bottle lid.

The working principle of the cap screwing mechanism is as follows: when the bottle lid is located the back under the locating piece, the elevating system of spiral cover machine makes the top surface of bottle lid and the lower surface of locating piece upward push up the bottle lid, because the locating piece can be along vertical elasticity floating, make the top surface of bottle lid and the lower surface of locating piece can not cause hard contact, reduce the risk that the top surface of bottle lid was scratched, and the locating piece plays spacing effect to the bottle lid, restrict the high position at bottle lid place, then all clamping jaw inwards close the bottle lid clamp tightly location, because the clamping jaw has at least three, realize the multiple spot location, make the bottle lid can be got by stable clamp, be fixed with silica gel clamp splice or rubber clamp splice on the inside wall of clamping jaw lower extreme, silica gel clamp splice or rubber clamp splice and the lateral wall contact of bottle lid, silica gel clamp splice or rubber clamp splice have certain elasticity, avoided the lateral wall rigid contact with the bottle lid, the lateral wall of bottle lid is difficult for being scraped, simultaneously also improved the clamping force to the clamping of bottle lid, make the centre gripping of bottle lid more stable.

In the cap screwing mechanism of the cap screwing machine, an arc-shaped groove is formed in one side face, facing the positioning block, of the silica gel clamping block or the rubber clamping block, and the arc surface of the arc-shaped groove is matched with the outer circumferential surface of the medicine bottle. After the bottle cap is clamped, the cambered surface of the arc-shaped groove is completely clung to the outer circumferential surface of the medicine bottle, so that the friction force between the bottle cap and the silica gel clamping block or the rubber clamping block is improved, the clamping effect on the bottle cap is further improved, and slipping is not easy to occur between the bottle cap and the silica gel clamping block or the rubber clamping block in the cap screwing process.

In the cap screwing mechanism of the cap screwing machine, the positioning block is made of rubber materials or silica gel materials. The locating piece that rubber material or silica gel material were made has certain elasticity, and after the lower surface of locating piece contacted with the top surface of bottle lid, the top surface of bottle lid is difficult for scraping to the lower surface of locating piece.

In the cap screwing mechanism of the cap screwing machine, the mounting seat fixed on the cap screwing is arranged below the cap screwing head, the positioning seat fixed on the mounting seat is arranged below the mounting seat, the positioning block is arranged in the positioning seat and can vertically slide, and the spring acting on the positioning block is arranged in the positioning seat. Through the setting of this structure, the spring effect makes the locating piece have the trend of downwardly moving all the time on the locating piece, and after the top surface of bottle lid and the lower surface contact of locating piece, the locating piece can overcome the effect of spring and upwards slightly remove, avoids bottle lid and locating piece to appear hard contact.

In the cap screwing mechanism of the cap screwing machine, the cap screwing mechanism further comprises a mounting plate and a transmission shaft vertically penetrating through the mounting plate, the lower end of the transmission shaft is in transmission connection with the upper end of the rotation shaft, a servo motor is arranged on the mounting plate, and the servo motor drives the transmission shaft to rotate through a gear transmission assembly. Through the setting of this structure, servo motor passes through gear drive subassembly drive transmission shaft and rotates, and the transmission shaft drives pivot and spiral cover head and rotates, and then drives the clamping jaw and rotate, and the clamping jaw drives the bottle lid and rotate for the bottle lid is screwed on the medicine bottle, and servo motor can the accurate torque of screwing of control bottle lid avoids the bottle lid to assemble and appears too loose or the condition of too tight after on the medicine bottle.

Compared with the prior art, the cap screwing mechanism of the cap screwing machine has the following advantages: when the bottle lid is located the back under the locating piece, the elevating system of spiral cover machine makes the top surface of bottle lid and the lower surface of locating piece upward push up the bottle lid, because the locating piece can be along vertical elasticity floating, make the top surface of bottle lid and the lower surface of locating piece can not cause hard contact, reduce the risk that the top surface of bottle lid was scratched, and the locating piece plays spacing effect to the bottle lid, restrict the high position at bottle lid place, then all clamping jaw inwards close the bottle lid clamp tightly location, because the clamping jaw has at least three, realize the multiple spot location, make the bottle lid can be got by stable clamp, be fixed with silica gel clamp splice or rubber clamp splice on the inside wall of clamping jaw lower extreme, silica gel clamp splice or rubber clamp splice and the lateral wall contact of bottle lid, silica gel clamp splice or rubber clamp splice have certain elasticity, avoided the lateral wall rigid contact with the bottle lid, the lateral wall of bottle lid is difficult for being scraped, simultaneously also improved the clamping force to the clamping of bottle lid, make the centre gripping of bottle lid more stable.

Drawings

Fig. 1 is a schematic perspective view of embodiment 1 of the present utility model.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic perspective view of embodiment 2 of the present utility model.

Fig. 4 is a partial perspective view of embodiment 1 of the present utility model.

In the figure, 1, a rotating shaft; 2. a capping head; 3. a clamping jaw; 4. rubber clamping blocks; 40. an arc-shaped groove; 5. a positioning block; 6. a mounting base; 7. a positioning seat; 8. a spring; 9. a mounting plate; 10. a transmission shaft; 11. a servo motor; 12. a gear assembly.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

Example 1

As shown in fig. 1, 2 and 4, the cap screwing mechanism of the cap screwing machine comprises a rotating shaft 1, a cap screwing head 2 and clamping jaws 3, wherein the cap screwing head 2 and the clamping jaws 3 are arranged on the rotating shaft 1, the upper ends of the clamping jaws 3 are hinged to the cap screwing head 2, the clamping jaws 3 are at least three, all the clamping jaws 3 are arranged at equal intervals along the circumferential direction of the cap screwing head 2, a silica gel clamping block or a rubber clamping block 4 is fixed on the inner side wall of the lower end of the clamping jaw 3, an arc-shaped groove 40 is formed in one side face of the silica gel clamping block or the rubber clamping block 4 facing a positioning block 5, and the arc-shaped surface of the arc-shaped groove 40 is matched with the outer circumferential surface of a medicine bottle. The inner side of the clamping jaw 3 is provided with a positioning block 5 which can elastically float along the vertical direction at a position right below the cap screwing head 2, the positioning block 5 is made of rubber materials or silica gel materials, and the positioning block 5 can be abutted against the top surface of the bottle cap. When the bottle cap is positioned right below the positioning block 5, the lifting mechanism of the cap screwing machine pushes the bottle cap upwards to enable the top surface of the bottle cap to be in clamping and positioning with the lower surface of the positioning block, as the positioning block 5 can float along the vertical elasticity, the top surface of the bottle cap and the lower surface of the positioning block 5 cannot be in hard contact, the risk that the top surface of the bottle cap is scratched is reduced, the positioning block 5 plays a limiting role on the bottle cap, the height position of the bottle cap is limited, the positioning block 5 made of rubber materials or silicone materials has certain elasticity, after the lower surface of the positioning block 5 is contacted with the top surface of the bottle cap, the top surface of the bottle cap is not easy to scratch, then all clamping jaws 3 are inwards closed to clamp and position the bottle cap, as the clamping jaws 3 have at least three, the bottle cap can be stably clamped, the silicone clamping block or the rubber clamping block 4 is fixed on the inner side wall of the lower end of the clamping jaw 3, the silicone clamping block or the rubber clamping block 4 is in contact with the outer side wall of the bottle cap, the silicone clamping block or the rubber clamping block 4 has certain elasticity, the rigid contact with the outer side wall of the bottle cap is avoided, the bottle cap is not easy to scratch the outer side wall of the bottle cap is not easy to be improved, and simultaneously the clamping force on the bottle cap is stable.

Further, the lower side of the spiral cover head 2 is provided with an installation seat 6 fixed on the spiral cover head 2, the lower side of the installation seat 6 is provided with a positioning seat 7 fixed on the installation seat 6, the positioning block 5 is arranged in the positioning seat 7 and can vertically slide, and a spring 8 acting on the positioning block 5 is arranged in the positioning seat 7. The spring 8 acts on the positioning block 5 to enable the positioning block 5 to always have a downward movement trend, and after the top surface of the bottle cap is contacted with the lower surface of the positioning block 5, the positioning block 5 can slightly move upwards under the action of the spring 8, so that the hard contact between the bottle cap and the positioning block 5 is avoided.

As shown in fig. 1 and 4, the cap screwing mechanism further comprises a mounting plate 9 and a transmission shaft 10 vertically penetrating through the mounting plate 9, the lower end of the transmission shaft 10 is in transmission connection with the upper end of the rotating shaft 1, a servo motor 11 is arranged on the mounting plate 9, and the servo motor 11 drives the transmission shaft 10 to rotate through a gear transmission assembly 12. The servo motor 11 drives the transmission shaft 10 to rotate through the gear transmission assembly 12, the transmission shaft 10 drives the rotating shaft 1 and the cap screwing head 2 to rotate, and then drives the clamping jaw 3 to rotate, and the clamping jaw 3 drives the bottle cap to rotate, so that the bottle cap is screwed on a medicine bottle, the servo motor 11 can accurately control the screwing torque of the bottle cap, and the situation that the bottle cap is too loose or too tight after being assembled on the medicine bottle is avoided.

Example 2

This embodiment is basically the same as the above embodiment 1 except that: as shown in fig. 3, the positioning block 5 in this embodiment is in a flat cylindrical shape, which improves the contact area between the positioning block 5 and the bottle cap, and facilitates stable positioning of the bottle cap.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a spiral cover mechanism of spiral cover machine, includes pivot (1), sets up spiral cover head (2) and clamping jaw (3) on pivot (1), the upper end of clamping jaw (3) articulates on spiral cover head (2), a serial communication port, clamping jaw (3) have at least three, all clamping jaw (3) follow the circumference equidistance interval setting of spiral cover head (2), be fixed with silica gel clamp splice or rubber clamp splice (4) on the inside wall of clamping jaw (3) lower extreme, the inboard of clamping jaw (3) is located the position under spiral cover head (2) and is provided with locating piece (5) that can follow vertical elasticity and float, locating piece (5) can lean on with the top surface of bottle lid.

2. The cap screwing mechanism of a cap screwing machine according to claim 1, wherein an arc-shaped groove (40) is formed in one side surface of the silica gel clamping block or the rubber clamping block (4) facing the positioning block (5), and the arc surface of the arc-shaped groove (40) is matched with the outer circumferential surface of the medicine bottle.

3. A capping mechanism for a capping machine as claimed in claim 1 wherein the locating block (5) is made of a rubber material or a silicone material.

4. The cap screwing mechanism of a cap screwing machine according to claim 1, wherein a mounting seat (6) fixed on the cap screwing head (2) is arranged below the cap screwing head (2), a positioning seat (7) fixed on the mounting seat (6) is arranged below the mounting seat (6), the positioning block (5) is arranged in the positioning seat (7) and can vertically slide, and a spring (8) acting on the positioning block (5) is arranged in the positioning seat (7).

5. The cap screwing mechanism of the cap screwing machine according to claim 1, further comprising a mounting plate (9) and a transmission shaft (10) vertically penetrating through the mounting plate (9), wherein the lower end of the transmission shaft (10) is in transmission connection with the upper end of the rotating shaft (1), a servo motor (11) is arranged on the mounting plate (9), and the servo motor (11) drives the transmission shaft (10) to rotate through a gear transmission assembly (12).