Cap screwing mechanism of filling machine

Abstract

The utility model relates to the technical field of liquid medicine cap screwing mechanisms, in particular to a cap screwing mechanism of a filling machine, which is characterized in that a cap screwing device is provided with three clamping components which are arranged below a fixing plate and are used for clamping liquid medicine bottle caps, and an adjusting component which is used for driving the clamping components to clamp the liquid medicine bottle caps is arranged in the fixing plate. The number of the adjusting assemblies is three, and a driving assembly used for driving the adjusting assemblies to rotate is arranged above the adjusting assemblies. Therefore, when a cap of a liquid medicine bottle needs to be screwed, firstly, a rotating shaft is driven to rotate through a second motor, and a threaded rod rotates synchronously under the meshing connection of a first bevel gear and a second bevel gear, so that arc-shaped clamping plates at the bottom end of a moving block can be driven to get close to each other, and the liquid medicine bottle cap is clamped; and finally, the fixing plate is driven to rotate through the first motor, and the liquid medicine bottle and the bottle cap can be screwed tightly. Therefore, corresponding adjustment can be carried out according to the size of the screw cap of the liquid medicine bottle.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid medicine capping mechanisms, in particular to a filling machine capping mechanism. Background Art

[0002] After the production of liquid medicine is completed, in order to facilitate the storage and transportation of the liquid medicine, the liquid medicine needs to be filled and stored. The liquid medicine filling and capping machine is a pharmaceutical production equipment that integrates liquid medicine filling and capping. However, when the existing filling and capping machines tighten the caps of liquid medicine bottles, they may not have enough clamping force, which may easily cause sliding friction with the bottle caps, resulting in inaccurate positioning.

[0003] For example, the Chinese patent application number CN201620515341.7 is a capping mechanism for an eye drop filling machine, which includes a mobile frame, a frame, a slide rail, a linear motor A, a connecting rod A, a gear A, a vacuum suction head, a motor B, an elliptical gear B and a connecting rod B. The frames are symmetrically arranged on the left and right sides of the mobile frame, and the frames are slidably connected to the mobile frame through the slide rails arranged on the frames. The mobile frame is provided with a linear motor A, and a connecting rod A is rotatably arranged at the lower end of the telescopic shaft of the linear motor A, a gear A is arranged on the upper part of the connecting rod A, and a vacuum suction head is arranged at the lower end of the connecting rod A. The lower part of the telescopic shaft of the linear motor A is connected to the motor B through the connecting rod B, and an elliptical gear B is arranged on the rotating shaft of the motor B, and the elliptical gear B is meshed with the gear A. It has the following technical defects:

[0004] When the vacuum suction head is used to clamp the screw cap of the medicine liquid bottle, since the vacuum suction head is used to clamp the screw cap of the medicine liquid bottle, it is necessary to use a vacuum device to clamp the screw cap of the medicine liquid bottle through the vacuum suction head. The process is not only time-consuming and labor-intensive, but also inconvenient to adjust accordingly according to the size of the screw cap of the medicine liquid bottle. Utility Model Content

[0005] In order to solve the problem raised in the above background technology that when a vacuum suction head is used to clamp the screw cap of a liquid medicine bottle, since a vacuum suction head is used to clamp the screw cap of the liquid medicine bottle, a vacuum device needs to be used to clamp the screw cap of the liquid medicine bottle through the vacuum suction head, and the process is not only time-consuming and labor-intensive, but also inconvenient to adjust accordingly according to the size of the screw cap of the liquid medicine bottle, the utility model provides the following technical solutions:

[0006] A capping mechanism for a filling machine comprises a motor connected to the filling machine, a fixing plate for a rotating shaft is fixedly mounted on the bottom end of the motor, and a capping device for clamping a liquid medicine bottle cap is arranged in the plate body of the fixing plate.

[0007] The cap screwing device is arranged below the fixed plate for clamping a clamping assembly for clamping the medicine bottle cap, and there are three clamping assemblies. An adjusting assembly for driving the clamping assembly to clamp the medicine bottle cap is arranged inside the fixed plate, and there are three adjusting assemblies. A driving assembly for driving the adjusting assembly to rotate is arranged above the adjusting assembly.

[0008] Furthermore, the bottom end of the fixed plate is provided with a long groove for the clamping assembly to move, and there are three long grooves, which are distributed in a circular array on the bottom end of the fixed plate.

[0009] Furthermore, the driving assembly includes a rotating shaft movably connected to the fixed plate, the top end of the rotating shaft is provided with a second motor for driving the rotating shaft to rotate, and the bottom end of the rotating shaft is provided with a first bevel gear for driving the three adjusting assemblies to rotate synchronously.

[0010] Furthermore, the adjustment assembly includes a bevel gear 2 meshingly connected with the bevel gear 1, and a threaded rod for driving the clamping assembly to move is fixedly mounted on one end of the bevel gear 2 away from the bevel gear 1.

[0011] Furthermore, the clamping assembly includes a moving block threadedly connected to the threaded rod, and the moving block can move in the long groove, and the bottom end of the moving block is fixedly installed with an arc-shaped clamping plate for clamping the medicine bottle cap, and the end of the arc-shaped clamping plate close to the second bevel gear is fixedly installed with a rubber pad for assisting the arc-shaped clamping plate to clamp the medicine bottle cap, and there are several rubber pads.

[0012] Furthermore, an arc-shaped plate is fixedly installed on the top of the fixed plate, and there are three arc-shaped plates, and top plates for movably connecting with the rotating shaft are fixedly installed on the top of the three arc-shaped plates.

[0013] Furthermore, a support plate for supporting the motor 1 is fixedly mounted at the rear end of the motor 1, and threaded holes for cooperating with bolts to fix the support plate on the filling machine are provided on the plate body of the support plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] By arranging the motor 1 and the capping device, when the medicine liquid bottle needs to be capped, the motor 2 can first be used to drive the rotating shaft to rotate, and under the meshing connection between the bevel gear 1 and the bevel gear 2, the threaded rod can be rotated synchronously, so that the arc-shaped clamping plates on the bottom end of the moving block can be driven to approach each other and the medicine liquid bottle cap can be clamped, and finally the motor 1 can be used to drive the fixed plate to rotate, so that the medicine liquid bottle and the bottle cap can be tightened; thus, corresponding adjustments can be made according to the size of the capping of the medicine liquid bottle. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a bottom view of the fixing plate of the utility model;

[0018] Figure 3 It is a top view of the utility model;

[0019] Figure 4 This is a cross-sectional view of the fixing plate of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the capping device of the utility model.

[0021] In the accompanying drawings, the names of the components represented by the reference numerals are listed as follows:

[0022] 100-motor one;

[0023] 200-fixed plate, 201-long slot;

[0024] 300-capping device, 310-driving assembly, 311-motor 2, 312-rotating shaft, 313-bevel gear 1, 320-adjusting assembly, 321-bevel gear 2, 322-threaded rod, 330-clamping assembly, 331-moving block, 332-arc clamping plate, 333-rubber pad;

[0025] 001-support plate, 002-threaded hole, 003-arc plate, 004-top plate. DETAILED DESCRIPTION

[0026] The preferred specific implementation methods for implementing the present utility model are described in detail below, and a clear and complete description is made in conjunction with the accompanying drawings.

[0027] See also Figure 1-Figure 5 The utility model provides a capping mechanism for a filling machine.

[0028] It comprises a motor 100 connected to the filling machine, a fixing plate 200 for a rotating shaft is fixedly mounted on the bottom end of the motor 100, and a capping device 300 for clamping the bottle cap of the liquid medicine is arranged in the plate body of the fixing plate 200.

[0029] A support plate 001 for supporting the motor 100 is fixedly installed at the rear end of the motor 100, and threaded holes 002 for cooperating with bolts to fix the support plate 001 on the filling machine are opened on the plate body of the motor 100, so that the motor 100 can be quickly installed on the filling machine through the threaded connection between the bolts and the threaded holes 002 on the filling machine.

[0030] An arc plate 003 is fixedly installed on the top of the fixed plate 200, and there are three arc plates 003. The three arc plates 003 are welded on the top of the fixed plate 200 in a circular array; a top plate 004 for movably connecting with the rotating shaft 312 is fixedly installed on the top of the three arc plates 003, and the top plate 004 is connected to the rotating shaft 312 through a bearing.

[0031] The bottom end of the fixing plate 200 is provided with three long grooves 201 for the clamping assembly 330 to move. The three long grooves 201 are distributed on the bottom end of the fixing plate 200 in a circular array.

[0032] The cap screwing device 300 is arranged below the fixed plate 200 and is used for clamping the medicine bottle cap with a clamping assembly 330, and there are three clamping assemblies 330, which are distributed in a circular array in three long grooves 201; an adjusting assembly 320 for driving the clamping assembly 330 to clamp the medicine bottle cap is arranged in the fixed plate 200, and there are three adjusting assemblies 320, and a driving assembly 310 for driving the adjusting assembly 320 to rotate is arranged above the adjusting assembly 320.

[0033] The driving assembly 310 includes a rotating shaft 312 movably connected to the fixed plate 200, and the shaft body of the rotating shaft 312 is connected to the plate body of the fixed plate 200 through a bearing to facilitate the rotation of the rotating shaft 312; a motor 2 311 for driving the rotating shaft 312 to rotate is provided at the top of the rotating shaft 312, and the motor 2 311 is connected to the top of the rotating shaft 312 through a coupling, so that the rotating shaft 312 can be driven to rotate under the operation of the motor 2 311; a bevel gear 1 313 for driving the three adjusting assemblies 320 to rotate synchronously is provided at the bottom end of the rotating shaft 312, so that the motor 2 311 drives the rotating shaft 312 to rotate, and under the meshing connection of the bevel gear 1 313, the three adjusting assemblies 320 respectively and synchronously drive the three clamping assemblies 330 to clamp the medicine bottle cap; thereby, the medicine bottle cap can be quickly clamped.

[0034] The adjusting assembly 320 includes a bevel gear 2 321 meshingly connected to the bevel gear 1 313, and a threaded rod 322 for driving the clamping assembly 330 to move is fixedly installed on one end of the bevel gear 2 321 away from the bevel gear 1 313, and the rod body of the threaded rod 322 is connected to the groove body of the long groove 201 through a bearing to facilitate the rotation of the threaded rod 322.

[0035] The clamping assembly 330 includes a moving block 331 threadedly connected to the threaded rod 322, and the moving block 331 can move in the long slot 201. The bottom end of the moving block 331 is fixedly installed with an arc-shaped clamping plate 332 for clamping the liquid medicine bottle cap. The end of the arc-shaped clamping plate 332 close to the bevel gear 2 321 is fixedly installed with a rubber pad 333 for assisting the arc-shaped clamping plate 332 to clamp the liquid medicine bottle cap. There are a plurality of rubber pads 333, which are arranged in a circular array on the arc-shaped clamping plate 332 close to the bevel gear 2 321. 21; thus, when the medicine liquid bottle needs to be screwed on, the motor 2 311 can first be used to drive the rotating shaft 312 to rotate, and under the meshing connection between the bevel gear 1 313 and the bevel gear 2 321, the threaded rod 322 can be rotated synchronously, so that the arc-shaped clamping plate 332 on the bottom end of the moving block 331 can be driven to approach each other, and the medicine liquid bottle cap can be clamped, and finally the motor 100 can be used to drive the fixed plate 200 to rotate, so that the medicine liquid bottle and the bottle cap can be screwed tightly; thus, corresponding adjustments can be made according to the size of the screw cap of the medicine liquid bottle.

[0036] Based on the above content and the accompanying drawings, those skilled in the art can understand and implement the utility model. In addition, any non-creative modifications made to the utility model by those skilled in the art without making creative work still fall within the scope of protection of the utility model.

Claims

1. A capping mechanism for a filling machine, comprising a motor (100) connected to the filling machine, characterized in that: A fixing plate (200) for a rotating shaft is fixedly mounted on the bottom end of the motor 1 (100), and a capping device (300) for clamping a medicine bottle cap is arranged inside the plate body of the fixing plate (200); The capping device (300) is provided below the fixed plate (200) with a clamping assembly (330) for clamping the cap of the liquid medicine bottle, and there are three clamping assemblies (330). The fixed plate (200) is provided with an adjusting assembly (320) for driving the clamping assembly (330) to clamp the cap of the liquid medicine bottle, and there are three adjusting assemblies (320). A driving assembly (310) for driving the adjusting assembly (320) to rotate is provided above the adjusting assembly (320).

2. A capping mechanism for a filling machine according to claim 1, characterized in that: The bottom end of the fixed plate (200) is provided with a long groove (201) for the clamping assembly (330) to move, and there are three long grooves (201), which are distributed in a circular array on the bottom end of the fixed plate (200).

3. A capping mechanism for a filling machine according to claim 2, characterized in that: The driving assembly (310) comprises a rotating shaft (312) movably connected to the fixing plate (200), a second motor (311) for driving the rotating shaft (312) to rotate is arranged at the top end of the rotating shaft (312), and a first bevel gear (313) for driving the three adjusting assemblies (320) to rotate synchronously is arranged at the bottom end of the rotating shaft (312).

4. A capping mechanism for a filling machine according to claim 3, characterized in that: The adjustment assembly (320) comprises a second bevel gear (321) meshingly connected with the first bevel gear (313); a threaded rod (322) for driving the clamping assembly (330) to move is fixedly mounted on one end of the second bevel gear (321) away from the first bevel gear (313).

5. A capping mechanism for a filling machine according to claim 4, characterized in that: The clamping assembly (330) comprises a moving block (331) threadedly connected to the threaded rod (322), and the moving block (331) can move in the long slot (201), and an arc-shaped clamping plate (332) for clamping the liquid medicine bottle cap is fixedly installed at the bottom end of the moving block (331), and a rubber pad (333) for assisting the arc-shaped clamping plate (332) to clamp the liquid medicine bottle cap is fixedly installed at one end of the arc-shaped clamping plate (332) close to the second bevel gear (321), and there are a plurality of rubber pads (333).

6. A capping mechanism for a filling machine according to claim 3, characterized in that: The top of the fixed plate (200) is fixedly mounted with an arc-shaped plate (003), and there are three arc-shaped plates (003). The tops of the three arc-shaped plates (003) are fixedly mounted with top plates (004) for movably connecting with the rotating shaft (312).

7. The capping mechanism of a filling machine according to claim 1, characterized in that: A support plate (001) for supporting the motor (100) is fixedly mounted at the rear end of the motor (100), and a threaded hole (002) for cooperating with a bolt to fix the support plate (001) on the filling machine is provided on the plate body of the support plate (001).

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