Screwing mechanism suitable for bottle caps of different specifications

Abstract

The utility model relates to the technical field of bottle cap screwing, in particular to a screwing mechanism suitable for bottle caps of different specifications, which comprises a first driving motor, a driving roller, a driven roller, a conveying belt, a limiting block, a sliding rail, a sliding block, a spring and an expansion roller. The two driven rollers are rotatably connected to the fixing plate and located on the side close to the stepping conveyor, the driving roller is axially parallel to the driven rollers, the two limiting blocks are connected to the fixing plate, the sliding rail is connected between the two limiting blocks, the axial direction of the sliding rail is the X direction, the sliding block is slidably connected with the sliding rail, and the springs are located between the limiting blocks and the sliding block. The spring is located on one side of the sliding block in the X direction, the first driving motor is in transmission connection with the driving roller, the expansion roller is connected to the sliding block, the conveying belt is connected among the driving roller, the expansion roller and the driven rollers, and the conveying belt between the two driven rollers is used for screwing bottle caps of different specifications.

Description

Technical Field

[0001] The utility model relates to the technical field of bottle cap tightening, in particular to a tightening mechanism suitable for bottle caps of different specifications. Background Art

[0002] Most medicines need to be sealed and kept away from light after production, so after production, most medicines are stored in medicine bottles. The medicine bottles are divided into a bottle body and a bottle cap, and the bottle body and the bottle cap are connected by a threaded connection, which has good stability. In the prior art, only bottle caps of the same specification can be tightened by threaded connection. Since bottle caps have various specifications, if a special device is designed for each specification of bottle caps, it will increase the equipment cost, and each specification of bottle caps requires special personnel to operate, which will also increase labor costs. Therefore, there is an urgent need for a tightening mechanism suitable for bottle caps of different specifications, which can not only be suitable for tightening bottle caps of different specifications, but also reduce equipment and labor costs. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a screwing mechanism suitable for bottle caps of different specifications, which can not only be suitable for screwing bottle caps of different specifications, but also reduce the cost of equipment and labor.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a tightening mechanism suitable for bottle caps of different specifications, comprising:

[0005] Stepping conveyor: the conveying direction of the stepping conveyor is X direction, and the stepping conveyor is used to convey the bottle body and bottle cap;

[0006] Pedestal;

[0007] A movable seat, the movable seat is movably connected to the base in an X direction or a reverse X direction;

[0008] A first driving mechanism, the first driving mechanism is used to drive the moving seat to move;

[0009] Fixed plates, two fixed plates are symmetrically connected to the two sides of the stepping conveyor, the fixed plates are movably connected to the moving seat along the Z direction and the Y direction, and arc grooves are provided on the fixed plates;

[0010] A second driving mechanism, the second driving mechanism is used to drive the fixed plate to move;

[0011] The bottle cap tightening mechanism is connected to the fixed plate, and comprises a first driving motor, an active roller, a driven roller, a conveyor belt, a limit block, a slide rail, a slider, a spring and a tightening roller;

[0012] The active roller is rotatably connected to the fixed plate, and the active roller is located on the side away from the stepping conveyor. The two driven rollers are rotatably connected to the fixed plate, and the two driven rollers are located on the side close to the stepping conveyor. The axial directions of the active roller and the driven roller are parallel, and the two driven rollers are located on both sides of the arc groove. Two limit blocks are connected to the fixed plate, and the slide rail is connected between the two limit blocks, and the axial direction of the slide rail is X direction. The slider is slidably connected to the slide rail, one end of the spring is connected to the limit block, and the other end of the spring is connected to the slider, and the spring is located on the X-direction side of the slider. The first drive motor is transmission-connected to the active roller, the expansion roller is connected to the slider, and the conveyor belt is connected between the active roller, the expansion roller and the driven roller.

[0013] Furthermore, the first driving mechanism includes a first screw shaft and a second driving motor, the first screw shaft is connected to the base, the axial direction of the first screw shaft is the X direction, the movable seat is slidingly connected to the first screw shaft, and the second driving motor is transmission-connected to the first screw shaft.

[0014] Furthermore, the second driving mechanism includes a sliding seat, a second screw shaft, a third driving motor, a first cylinder and a connecting plate. The second screw shaft is connected to the movable seat, the axial direction of the second screw shaft is in the Z direction, the sliding seat is transmission-connected to the second screw shaft, the third driving motor is transmission-connected to the second screw shaft, the first cylinder is connected to the sliding seat, the cylinder axis of the first cylinder is in the Y direction, one end of the connecting plate is connected to the piston rod of the first cylinder, and the fixed plate is connected to the other end of the connecting plate.

[0015] Furthermore, the tightening mechanism suitable for bottle caps of different specifications also includes a circular pressure plate and a second cylinder, the second cylinder is connected to the base, the cylinder body of the second cylinder is axially in the Z direction, the circular pressure plate is connected to the piston rod of the second cylinder, and the circular pressure plate is located on the opposite side of the X direction of the bottle cap tightening mechanism.

[0016] Furthermore, the conveyor belt is made of rubber.

[0017] The beneficial effect of the utility model is that, compared with the prior art, it is not only applicable to tightening bottle caps of different specifications, but also can reduce the cost of equipment and labor. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural schematic diagram of a tightening mechanism suitable for bottle caps of different specifications according to a specific implementation mode of the utility model;

[0019] Figure 2 for Figure 1 A magnified view of part A;

[0020] Figure 3 A top view of a tightening mechanism suitable for bottle caps of different specifications according to a specific implementation mode of the utility model;

[0021] Figure 4 for Figure 3 Enlarged view of part B.

[0022] Description of symbols

[0023] 1. Stepping conveyor;

[0024] 2. Base;

[0025] 3. Mobile seat;

[0026] 4. First driving mechanism; 41. First screw shaft; 42. Second driving motor;

[0027] 5. fixed plate; 51. arc groove;

[0028] 6. Second driving mechanism; 61. Sliding seat; 62. Second screw shaft; 63. Third driving motor;

[0029] 7. Bottle cap tightening mechanism; 71. First driving motor; 72. Active roller; 73. Driven roller; 74. Conveyor belt; 75. Limit block; 76. Slide rail; 77. Sliding block; 78. Spring; 79. Expansion roller;

[0030] 8. Round pressure plate;

[0031] 9. Second cylinder. DETAILED DESCRIPTION

[0032] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following is an explanation in conjunction with the implementation modes and the accompanying drawings.

[0033] Please refer to Figures 1 to 4 , a tightening mechanism suitable for bottle caps of different specifications, comprising:

[0034] Stepping conveyor 1, the conveying direction of the stepping conveyor 1 is X direction, and the stepping conveyor 1 is used to convey bottle bodies and bottle caps;

[0035] Base 2;

[0036] The movable seat 3 is movably connected to the base 2 along the X direction or the X reverse direction;

[0037] A first driving mechanism 4, the first driving structure is used to drive the moving seat 3 to move;

[0038] Fixed plates 5, two fixed plates 5 are symmetrically connected to both sides of the stepping conveyor 1, the fixed plates 5 are movably connected to the moving seat 3 along the Z direction and the Y direction, and an arc groove 51 is provided on the fixed plates 5;

[0039] A second driving mechanism 6, the second driving mechanism 6 is used to drive the fixed plate 5 to move;

[0040] The bottle cap tightening mechanism 7 is connected to the fixing plate 5, and the bottle cap tightening mechanism 7 comprises a first driving motor 71, an active roller 72, a driven roller 73, a conveyor belt 74, a stopper 75, a slide rail 76, a slider 77, a spring 78 and a tightening roller 79;

[0041] The active roller 72 is rotatably connected to the fixed plate 5, and the active roller 72 is located on the side away from the stepping conveyor 1. The two driven rollers 73 are rotatably connected to the fixed plate 5, and the two driven rollers 73 are located on the side close to the stepping conveyor 1. The axial directions of the active roller 72 and the driven roller 73 are parallel, and the two driven rollers 73 are located on both sides of the arc groove 51. Two limit blocks 75 are connected to the fixed plate 5, and the slide rail 76 is connected between the two limit blocks 75. The axial direction of the slide rail 76 is in the X direction. The slider 77 is slidably connected to the slide rail 76, one end of the spring 78 is connected to the limit block 75, and the other end of the spring 78 is connected to the slider 77. The spring 78 is located on the X side of the slider 77. The first drive motor 71 is transmission-connected to the active roller 72, the expansion roller 79 is connected to the slider 77, and the conveyor belt 74 is connected between the active roller 72, the expansion roller 79 and the driven roller 73.

[0042] In the above embodiment, the bottle body is placed at the starting end of the stepping conveyor 1, and then the bottle cap is placed at the bottle cap mouth. The stepping conveyor 1 conveys the bottle body and the bottle cap between the two fixed plates 5, and the second driving mechanism 6 drives the fixed plate 5 to move along the Z direction, so that the bottle cap of the bottle body is located between the conveyor belts 74 of the two driven rollers 73 of the two bottle cap tightening mechanisms 7, and then the second driving mechanism 6 drives the fixed plate 5 to move along the Y direction, so that the bottle cap is pressed to fit with the conveyor belt 74. During the squeezing process, the spring 78 rebounds, and the slider 77 moves along the X direction, so that the expansion roller 79 moves along the X direction, and then the conveyor belt 74 between the two driven rollers 73 is concave, which can fit with the outer circumference of bottle caps of different specifications, and the entire bottle cap is fitted between the conveyor belts 74 of the two driven rollers 73 of the two tightening mechanisms, and the bottle body is located in the two arc grooves 51, as shown in the attached Figure 4 As shown, the first driving mechanism 4 then drives the moving seat 3 to move in coordination with the stepping conveyor 1 along the X direction, and the first driving motor 71 drives the active roller 72 to rotate, so that the bottle cap is tightened by friction between the conveyor belt 74. After the bottle cap is tightened, the second driving mechanism 6 drives the fixed plate 5 to move along the Y direction, so that the conveyor belt 74 is separated from the bottle cap, and then the first driving mechanism 4 drives the moving seat 3 to move in the opposite direction along the X direction and return to the bottle body to be tightened. Compared with the prior art, it is not only suitable for tightening bottle caps of different specifications, but also can reduce the cost of equipment and labor.

[0043] As an optional embodiment, the first driving mechanism 4 includes a first screw shaft 41 and a second driving motor 42. The first screw shaft 41 is connected to the base 2, the axial direction of the first screw shaft 41 is the X direction, the movable seat 3 is slidingly connected to the first screw shaft 41, and the second driving motor 42 is transmission connected to the first screw shaft 41.

[0044] In the above embodiment, the first screw shaft 41 is driven to rotate by the second driving motor 42, so that the movable seat 3 can move in the X direction or the X reverse direction, and then can cooperate with the conveyor belt 74 to tighten the bottle cap by utilizing the friction between the conveyor belts.

[0045] As an optional embodiment, the second driving mechanism 6 includes a sliding seat 61, a second screw shaft 62, a third driving motor 63, a first cylinder and a connecting plate. The second screw shaft 62 is connected to the moving seat 3, and the axial direction of the second screw shaft 62 is the Z direction. The sliding seat 61 is transmission-connected to the second screw shaft 62, the third driving motor 63 is transmission-connected to the second screw shaft 62, the first cylinder is connected to the sliding seat 61, and the cylinder axis of the first cylinder is the Y direction. One end of the connecting plate is connected to the piston rod of the first cylinder, and the fixed plate 5 is connected to the other end of the connecting plate.

[0046] In the above embodiment, the second screw shaft 62 is driven to rotate by the third drive motor 63, so that the sliding seat 61 moves along the Z direction, which can be used to tighten the bottle caps of bottle bodies at different heights, so that the bottle caps of the bottle bodies are located between the two conveyor belts 74 of the bottle cap tightening mechanism 7, and then the first cylinder is used to drive the connecting plate to move, and the connecting plate drives the fixed plate 5 to move, so that the bottle caps are squeezed to fit the conveyor belt 74, and then the friction of the conveyor belt 74 is used to tighten the bottle caps.

[0047] As an optional embodiment, the tightening mechanism suitable for bottle caps of different specifications also includes a circular pressure plate 8 and a second cylinder 9, the second cylinder 9 is connected to the base 2, the cylinder body of the second cylinder 9 is axially in the Z direction, the circular pressure plate 8 is connected to the piston rod of the second cylinder 9, and the circular pressure plate 8 is located on the opposite side of the bottle cap tightening mechanism 7 in the X direction.

[0048] In the above embodiment, when the staff puts the bottle cap into the bottle mouth of the bottle body, the circular pressing plate 8 slightly presses the bottle cap so that the bottle body is not easy to be separated from the bottle body during the transportation process of the stepping conveyor 1.

[0049] As an optional implementation, the conveyor belt 74 is made of rubber.

[0050] In the above embodiment, by setting the conveyor belt 74 to be made of rubber material, its friction force can be increased, so that the bottle cap can be tightened more easily.

[0051] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A tightening mechanism suitable for bottle caps of different specifications, characterized in that: include: Stepping conveyor: the conveying direction of the stepping conveyor is X direction, and the stepping conveyor is used to convey the bottle body and bottle cap; Pedestal; A movable seat, the movable seat is movably connected to the base in an X direction or a reverse X direction; A first driving mechanism, the first driving structure is used to drive the moving seat to move; Fixed plates, two fixed plates are symmetrically connected to the two sides of the stepping conveyor, the fixed plates are movably connected to the moving seat along the Z direction and the Y direction, and arc grooves are provided on the fixed plates; A second driving mechanism, the second driving mechanism is used to drive the fixed plate to move; The bottle cap tightening mechanism is connected to the fixed plate, and comprises a first driving motor, an active roller, a driven roller, a conveyor belt, a limit block, a slide rail, a slider, a spring and a tightening roller; The active roller is rotatably connected to the fixed plate, and the active roller is located on the side away from the stepping conveyor. The two driven rollers are rotatably connected to the fixed plate, and the two driven rollers are located on the side close to the stepping conveyor. The axial directions of the active roller and the driven roller are parallel, and the two driven rollers are located on both sides of the arc groove. Two limit blocks are connected to the fixed plate, and the slide rail is connected between the two limit blocks, and the axial direction of the slide rail is X direction. The slider is slidably connected to the slide rail, one end of the spring is connected to the limit block, and the other end of the spring is connected to the slider, and the spring is located on the X-direction side of the slider. The first drive motor is transmission-connected to the active roller, the expansion roller is connected to the slider, and the conveyor belt is connected between the active roller, the expansion roller and the driven roller.

2. The tightening mechanism for bottle caps of different specifications according to claim 1, characterized in that: The first driving mechanism includes a first screw shaft and a second driving motor. The first screw shaft is connected to the base, the axial direction of the first screw shaft is the X direction, the moving seat is slidingly connected to the first screw shaft, and the second driving motor is drivingly connected to the first screw shaft.

3. The tightening mechanism for bottle caps of different specifications according to claim 1, characterized in that: The second driving mechanism includes a sliding seat, a second screw shaft, a third driving motor, a first cylinder and a connecting plate. The second screw shaft is connected to the moving seat, the axial direction of the second screw shaft is the Z direction, the sliding seat is transmission-connected to the second screw shaft, the third driving motor is transmission-connected to the second screw shaft, the first cylinder is connected to the sliding seat, the cylinder axis of the first cylinder is the Y direction, one end of the connecting plate is connected to the piston rod of the first cylinder, and the fixed plate is connected to the other end of the connecting plate.

4. The tightening mechanism for bottle caps of different specifications according to claim 1, characterized in that: The tightening mechanism suitable for bottle caps of different specifications also includes a circular pressure plate and a second cylinder. The second cylinder is connected to the base, the cylinder body of the second cylinder is axially in the Z direction, the circular pressure plate is connected to the piston rod of the second cylinder, and the circular pressure plate is located on the opposite side of the X direction of the bottle cap tightening mechanism.

5. The tightening mechanism for bottle caps of different specifications according to claim 2, characterized in that: The conveyor belt is made of rubber.

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