Intermittent upper cover structure
Technical Field
The utility model belongs to the field of mechanical equipment, and particularly relates to an intermittent upper cover structure.
Background
The intermittent upper cover structure is used for sealing and sealing the bottle mouth of the bottle, so that automatic operation is realized, the existing upper cover structure is mostly formed by the cooperative movement of a plurality of groups of cams, a vacuum adsorption structure is arranged on the cams facing the bottle mouth, and the bottle mouth is sealed in the process that the cams lift up and down through the vacuum adsorption bottle stopper or bottle cap. Through the up-and-down lifting mode of the cam, the position of the suction plug is required to be finely adjusted by manually taking a tool, automatic operation cannot be realized, the cam has long processing period and high processing precision, and the processing cost is relatively high.
Or the up-and-down lifting mode is completed through the cooperation of a plurality of groups of servo motors and the ball screw, one end of the ball screw is provided with a vacuum adsorption structure, and the bottle opening is plugged in the process of completing the up-and-down lifting of the cam through vacuum adsorption of the bottle plug or the bottle cap. The cost of the equipment using a plurality of sets of servo motors is very high, and the procedure is relatively complex.
Disclosure of utility model
The utility model aims to provide an intermittent upper cover structure which solves the problem.
In order to achieve the above object, an intermittent upper cover structure of the present utility model includes a first connection platform for fixing a first driving structure;
the first driving structure comprises a cylinder which is fixedly connected with the first connecting platform, and a compression bar which applies pressure to the bottle opening plugging structure is coaxially arranged in the cylinder;
The first connecting platform is provided with a through hole corresponding to the position of the pressure lever, and the through hole is used for the pressure lever to move up and down in the through hole;
the first connecting platform is further provided with a connecting support, the bottom of the connecting support is connected with a connecting plate with an opening, and the opening is used for releasing the bottle opening plugging structure.
Preferably, the opening is provided with a sealing structure, the sealing structure enables the opening to be in a closed state under the action of no external force, and the sealing structure enables the opening to be opened under the action of the external force.
Preferably, the sealing structure is an eccentric block, and the eccentric block is hinged with the opening.
Preferably, the eccentric blocks are in a step shape, the two eccentric blocks are symmetrically arranged at the opening, one side with larger center of gravity of the eccentric blocks is attached to the edge of the opening, one side with smaller center of gravity faces the center of the opening, and the other sides with smaller center of gravity of the two eccentric blocks are attached to each other, so that the opening is closed.
Preferably, the eccentric block is hinged at the opening through a pin shaft.
Preferably, the bottom of the first connecting platform is connected with a lifting structure for driving the first connecting platform to move up and down, and the distance between the first connecting platform and the bottle mouth is adjusted.
Preferably, the lifting structure comprises lifting rods used in groups, the tops of the lifting rods are connected with the first platform, the second connecting platform is connected below the lifting rods in a penetrating manner, lifting plates which are used for connecting the two lifting rods into a whole are arranged at the bottoms of the lifting rods, the lifting plates are horizontally arranged, and the lifting plates are connected with second driving structures for the lifting rods to move up and down.
Preferably, the second driving structure comprises a screw rod with one end connected with the lifting plate, and the other end of the screw rod is connected with the motor output shaft through a coupler.
The screw rod fixing seat is arranged on the screw rod, the top of the screw rod fixing seat is connected with the second connecting platform, and an upper limit optical fiber and a lower limit optical fiber which are positioned below the upper limit optical fiber are arranged on the screw rod fixing seat and used for limiting the limit of the up-and-down movement of the lifting plate.
The bottle mouth plugging device has the beneficial effects that the cylinder drives the compression bar to move downwards, the bottle mouth plugging structure positioned at the opening of the connecting plate is pressed on the bottle, the bottle mouth is plugged, the plugging efficiency is high, the structure is simple, and the production cost is low.
Is suitable for various bottle shapes with different heights and same bottle opening plugging structure size. The height of the first connecting platform is adjusted through the combination of the lifting structure and the second driving structure, so that the distance between the connecting plate and the bottle mouth to be plugged is adjusted, and the bottle mouth plugging efficiency is improved.
Drawings
FIG. 1 is a schematic view of an intermittent cap structure according to the present utility model;
FIG. 2 is a schematic view of an intermittent cap structure according to another embodiment of the present utility model;
FIG. 3 is an enlarged schematic view of a portion of FIG. 1;
FIG. 4 is a schematic diagram illustrating the assembly of an upper plug plate and an eccentric block of an intermittent upper cover structure according to the present utility model;
fig. 5 is a schematic view of an eccentric block of an intermittent cap structure of the present utility model.
Wherein, 1, a motor; 2, a bottle, 3, a coupler, 4, a bottle opening plugging structure, 5, a screw rod, 6, a screw rod fixing seat, 8, a first connecting platform, 9, a second connecting platform, 11, a lower limiting optical fiber, 12, a lifting plate, 13, an upper limiting optical fiber, 14, a lifting rod, 18, an air cylinder, 21, a vibration hopper, 22, a compression rod, 23, an upper plug plate, 231, an opening, 24, an eccentric block, 25, a pin shaft, 26 and a connecting strut.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
The embodiment discloses intermittent type formula upper cover structure for to bottleneck upper cover, realize shutoff and the sealing of bottleneck, can be applied to the bottleneck shutoff in pharmacy, food, daily use chemicals field. As shown in fig. 1 to 5, the vibration hopper 21 is in a vibration state all the time and is used for conveying the bottle opening plugging structure to the first driving structure, the first connecting platform 8 is arranged on one side of the vibration hopper 21, the second connecting platform 9 is arranged at the bottom of the vibration hopper 21, and the first connecting platform 8 and the second connecting platform 9 are arranged in parallel. The vibration hopper 21 is a commercially available product and will not be described in detail herein.
The first driving structure comprises an air cylinder 18, one end of the air cylinder 18 is fixedly connected with the top surface of the first connecting platform 8, the other end of the air cylinder 18 extends vertically upwards, a compression bar 22 is coaxially arranged in the air cylinder 18, a through hole corresponding to the compression bar 22 is formed in the first connecting platform 8, the air cylinder 18 is started, the compression bar 22 penetrates through the first connecting platform 8 to reciprocate up and down, a connecting support 26 is further arranged on the first connecting platform 8, the bottom of the connecting support 26 is connected with a connecting plate 23 with an opening 231, the opening is used for releasing a bottle opening blocking structure, a bottle is placed below the opening 231 of the connecting plate 23, the bottle opening blocking structure is placed at the opening 231, the compression bar 22 applies downward pressure to the bottle opening blocking structure, and the bottle opening blocking structure is buckled with a bottle opening to realize bottle opening blocking. The eccentric block 24 is hinged at the opening 231, the eccentric block 24 enables the opening 231 to be in a closed state under the action of no external force, the bottle opening plugging structure is located above the eccentric block 24, the bottle opening plugging structure moves downwards under the action of the external force, the eccentric block 24 is pushed to rotate along a hinge point, the opening 231 is opened, the bottle opening plugging structure is released, and bottle opening plugging below the opening 231 is achieved. The bottle opening plugging structure can be a bottle stopper or a bottle cap.
Specifically, the eccentric blocks 24 are two, in a step shape, and symmetrically arranged at the opening 231. As shown in fig. 5, the M position of the eccentric mass 24 is regarded as the side with the smaller center of gravity, and the N position of the eccentric mass 24 is regarded as the side with the larger center of gravity. One side N with larger center of gravity of the eccentric blocks 24 is attached to the edge of the opening 231, one side M with smaller center of gravity faces the center of the opening 231, one sides M with smaller center of gravity of the two eccentric blocks 24 are attached to each other, closing of the opening 231 is achieved, one side M with smaller center of gravity is pushed downwards under the action of external force, the opening 231 is opened, and the bottle opening plugging structure is released.
In order to enable the intermittent upper cover structure to meet bottle bodies with different heights, the bottom of the first connecting platform 8 is connected with a lifting structure, the lifting structure moves up and down in the vertical direction, the distance between the connecting plate 23 and the bottle mouth can be adjusted according to the height of the bottle body, the distance between the connecting plate 23 and the bottle mouth is moderate, and bottle mouth plugging is well achieved.
Specifically, the lifting structure comprises lifting rods 14 used in groups, the lifting rods 14 penetrate through the second connecting platform 9 and then are connected with the first fixing platform 8, the bottoms of the lifting rods 14 are connected with lifting plates 12 which are used for connecting the two lifting rods 14 into a whole, the lifting plates 12 are horizontally arranged, screw rods 5 are connected to the lifting plates 12, and the screw rods 5 are connected with an output shaft of the motor 1 through a coupler 3. The motor 1 is started to drive the screw rod 5 to rise or fall in a rotating way, so that the lifting plate 12 is driven to rise or fall, the lifting plate 12 moves and simultaneously drives the lifting rod 14 to move up and down, and the up-and-down position of the first fixed platform 8 is adjusted.
In order to enable the position of the screw rod 5 to be stable and not to shake, a screw rod fixing seat 6 is arranged on the screw rod, and the top of the screw rod fixing seat 6 is connected with a second connecting platform 9. The screw rod fixing seat 6 is provided with an upper limit optical fiber 13 and a lower limit optical fiber 11 positioned below the upper limit optical fiber 13, wherein the upper limit optical fiber 13 and the lower limit optical fiber 11 are used for limiting the limit of the up-and-down movement of the lifting plate 12, and if the limit of the up-and-down movement of the lifting plate 12 exceeds the limit optical fiber 11 or the upper limit optical fiber 13, the motor 1 does not rotate.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.