Cap screwing mechanism of rotary cap screwing machine

Abstract

The utility model discloses a cap screwing mechanism of a rotary cap screwing machine, which relates to the technical field of cap screwing mechanisms, and comprises a rotary driving bracket which is rotatably mounted in the front end of the upper end surface of a main body bracket through a bearing, and a sliding rotary bracket is mounted in the rotary driving bracket through a clamping groove; according to the device, the rotary driving support can drive the sliding rotary support to slide in the clamping groove in the main body support when rotating, so that the purpose of synchronously and rigidly adjusting the three cap screwing pieces is achieved, the cap screwing pieces have the characteristics of a three-jaw chuck, the three rigidly-adjusted cap screwing pieces are used for calibrating and positioning a bottle cap, and the cap screwing efficiency is improved. According to the device, a bottle can be located in the center of the lower portion of the three cap screwing pieces, then the three cap screwing pieces can make synchronous contact with the bottle cap, extrusion force between the three cap screwing pieces and the bottle cap is the same, then it is guaranteed that when the three cap screwing pieces rotate synchronously, the bottle cap can be stably screwed to the upper end of the bottle, and the using effect of the device is enhanced.

Description

Technical Field

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

[0002] Capping machines are widely used in industrial production. Their main function is to connect bottles and caps efficiently, thereby effectively reducing manual operations. In the past, many types of capping mechanisms have emerged, such as traditional manual capping machines, pneumatic capping machines, and electric capping machines.

[0003] The existing screw capping mechanism is not convenient for tightening the cap body when rotating the bottle cap, and the bottle cap often needs to be reinforced manually, which has some shortcomings during use.

[0004] For example, the Chinese authorized patent with publication number CN 220334740 U (a capping mechanism for a capping machine) has a telescopic portion that drives the capping mechanism downward. When the capping mechanism contacts the bottle cap, the bottle cap pushes the capping block to rotate and move outward. As the capping block rotates, the bottle cap rotates. When the bottle cap reaches the cylindrical section of the capping block, the capping block stops rotating and is driven to rotate by the fixed seat to tighten the bottle cap, thereby reinforcing the bottle cap. Manual reinforcement of the bottle cap is no longer required, and the use is convenient and quick, which can effectively improve the capping efficiency of the capping machine. This technical solution solves the above-mentioned problems.

[0005] However, the technical solution of the utility model still has some technical problems. The capping mechanism of the capping machine adopts the form of a spring pushing the capping block so that the capping block clamps and fixes the bottle cap. Since the spring has good elasticity, when the bottle is not accurately placed at the center below the three capping blocks, the three capping blocks will not be able to fit with the bottle cap at the upper end of the bottle at the same time when they contact the bottle cap, which will cause the three springs to be unevenly stressed, and the capping block will easily twist the bottle cap crooked when rotating around the bottle cap.

[0006] Therefore, a capping mechanism of a rotary capping machine is proposed. Utility Model Content

[0007] The purpose of the utility model is to provide a screw capping mechanism of a rotary screw capping machine, so as to solve the problem that the screw capping mechanism of the screw capping machine proposed in the above background art adopts the form of spring pushing screw capping blocks so that the screw capping blocks clamp and fix the bottle cap. Due to the good elasticity of the spring, when the bottle is not accurately placed at the center below the three screw capping blocks, the three screw capping blocks will not be able to fit the bottle cap at the same time when contacting the bottle cap at the upper end of the bottle, thereby causing uneven force on the three springs, and thus making it easy for the screw capping blocks to twist the bottle cap crooked when rotating around the bottle cap.

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a capping mechanism of a rotary capping machine, comprising a main body bracket:

[0009] A rotary drive bracket is rotatably mounted on the inside of the front end of the upper end of the main body bracket through a bearing, a sliding rotary bracket is installed inside the rotary drive bracket through a card slot, a cover screwing pulley is fixedly mounted on the upper end of the sliding rotary bracket, a cover screwing member is fixedly mounted on the lower end of the sliding rotary bracket, and the sliding rotary bracket is slidably connected to the main body bracket through the card slot;

[0010] An electric push rod is installed inside the rear end of the upper end surface of the main bracket, and a movable connecting slider is fixedly installed on the telescopic end of the electric push rod, and the movable connecting slider is slidably connected to the main bracket through a card slot, and a driving pulley is rotatably installed on the upper end of the movable connecting slider, and a transmission belt is provided on the outside of the driving pulley and the cover screwing pulley, and a mounting cover is installed at the front end of the upper end surface of the main bracket, and the mounting cover is connected to the main bracket through a buckle, and a position control motor is fixedly installed on the upper end of the mounting cover, and the position control motor is connected to the rotating drive bracket through a coupling.

[0011] Preferably, belt tensioning rollers are installed on both sides of the upper end surface of the main body bracket, and the belt tensioning rollers are rotatably connected to the main body bracket through bearings.

[0012] Preferably, a connecting bracket is installed at the rear end of the upper end surface of the main body bracket, the connecting bracket is welded to the main body bracket, and the connecting bracket is provided with two threaded holes.

[0013] Preferably, a motor bracket is installed on the rear end surface of the movable connecting slider, and the motor bracket is fixedly connected to the movable connecting slider.

[0014] Preferably, a drive motor is fixedly mounted on the upper end of the motor bracket, and the drive motor is connected to the drive pulley via a coupling.

[0015] Preferably, the driving pulley is connected to the motor bracket via a bearing.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. The utility model installs a rotary drive bracket, which can drive the sliding rotary bracket to slide in the card slot inside the main bracket when rotating, thereby achieving the purpose of synchronously rigidly adjusting the three capping parts, so that the capping parts have the characteristics of a three-jaw chuck, and the three rigidly adjusted capping parts can calibrate and position the bottle cap, ensuring that the bottle can be located at the center below the three capping parts of the device, thereby making the three capping parts and the bottle cap can be synchronously contacted, and the extrusion force between the three capping parts and the bottle cap is the same, thereby ensuring that the bottle cap can be stably screwed on the upper end of the bottle when the three capping parts rotate synchronously, thereby enhancing the use effect of the device;

[0018] 2. The utility model can slide the movable connecting slider inside the main bracket through the card slot by installing it, so as to ensure that the device can adjust the position of the cap screwing member, so that the device can adapt to bottles and bottle caps of different specifications. At the same time, the movable connecting slider can slide and rotate inside the rotating drive bracket to ensure the stability of the power output of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional diagram of the capping mechanism of a rotary capping machine of the present invention;

[0020] Figure 2 This is a diagram showing the position distribution of the rotary drive bracket within the main bracket of the utility model;

[0021] Figure 3 This is a schematic diagram of the driving relationship of the transmission belt of the utility model;

[0022] Figure 4 This is a diagram showing the connection between the rotary drive bracket and the sliding rotary bracket of the utility model.

[0023] In the figure: 1. Main body bracket; 2. Mounting cover; 3. Connecting bracket; 4. Moving connecting slider; 5. Driving pulley; 6. Motor bracket; 7. Driving motor; 8. Belt tensioning roller; 9. Transmission belt; 10. Cover screwing piece; 11. Electric push rod; 12. Rotating driving bracket; 13. Cover screwing pulley; 14. Sliding and rotating bracket; 15. Position control motor. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0025] See also Figure 1-4 The present invention provides an embodiment of a rotary capping machine, comprising a main frame 1:

[0026] The rotating driving bracket 12 is rotatably mounted on the inside of the front end of the upper end of the main bracket 1 through a bearing. When the rotating driving bracket 12 is installed, it can drive the sliding rotating bracket 14 to slide in the card slot inside the main bracket 1, thereby achieving the purpose of synchronously rigidly adjusting the three screwing cap parts 10, so that the screwing cap part 10 has the characteristics of a three-jaw chuck, so that the three rigidly adjusted screwing cap parts 10 can calibrate and position the bottle cap, ensuring that the bottle can be located at the center below the three screwing cap parts 10 of the device, thereby making the three screwing cap parts 10 synchronously contact the bottle cap, and the extrusion force between the three screwing cap parts 10 and the bottle cap is the same, thereby ensuring that the three screwing cap parts 10 can be stably tightened on the upper end of the bottle when rotating synchronously, enhancing the use effect of the device, the interior of the rotating driving bracket 12 is installed with a sliding rotating bracket 14 through a card slot, the upper end of the sliding rotating bracket 14 is fixedly mounted with a screwing cap pulley 13, the lower end of the sliding rotating bracket 14 is fixedly mounted with a screwing cap part 10, and the sliding rotating bracket 14 is slidably connected to the main bracket 1 through the card slot;

[0027] The electric push rod 11 is installed inside the rear end of the upper end surface of the main bracket 1. The telescopic end of the electric push rod 11 is fixedly installed with a movable connecting slider 4. The movable connecting slider 4 can be installed to slide inside the main bracket 1 through the card slot, ensuring that the device can adjust the position of the screw cap 10 so that the device can adapt to bottles and bottle caps of different specifications. At the same time, the movable connecting slider 4 can slide and rotate inside the rotating drive bracket 12 to ensure the stability of the power output of the device. The movable connecting slider 4 is slidably connected to the main bracket 1 through the card slot. The upper end of the movable connecting slider 4 is rotatably installed with a driving pulley 5, and the outside of the driving pulley 5 and the screw cap pulley 13 are provided with a transmission belt 9. The front end of the upper end surface of the main bracket 1 is provided with a mounting cover 2, which is connected to the main bracket 1 by a buckle. The upper end of the mounting cover 2 is fixedly installed with a position control motor 15, which is connected to the rotating drive bracket 12 by a coupling.

[0028] See also Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , belt tensioning rollers 8 are installed on both sides of the upper end surface of the main body bracket 1, and the belt tensioning rollers 8 are rotatably connected to the main body bracket 1 through bearings. A connecting bracket 3 is installed at the rear end of the upper end surface of the main body bracket 1. Installing the connecting bracket 3 can facilitate the connection of the device with the telescopic drive member of the capping machine, making the installation and maintenance of the device more convenient. The connecting bracket 3 is welded to the main body bracket 1, and the connecting bracket 3 is provided with two threaded holes. The rear end surface of the movable connecting slider 4 is installed with a motor bracket 6, and the motor bracket 6 is fixedly connected to the movable connecting slider 4. A driving motor 7 is fixedly installed on the upper end of the motor bracket 6. The driving motor 7 is connected to the driving pulley 5 through a coupling, and the driving pulley 5 is connected to the motor bracket 6 through a bearing.

[0029] Working principle: When in use, the staff connects the device with the telescopic drive member of the capping machine, and then the outer assembly line of the device transports the bottles with the caps on them to the lower end of the device, and then the lower end of the telescopic drive member of the capping machine pushes the device to make the three capping members 10 located outside the bottle, and then the position control motor 15 drives the rotary drive bracket 12 to rotate forward, so that the rotary drive bracket 12 drives the sliding rotary bracket 14 to move inside the main bracket 1, and at the same time the electric push rod 11 extends to push the driving pulley 5 to move, so that the transmission belt 9 is always in a taut state, thereby making The three capping members 10 clamp the bottle, so that the device calibrates and adjusts the bottle position, and then the position control motor 15 drives the rotary drive bracket 12 to rotate in the opposite direction, the electric push rod 11 retracts, and the telescopic drive member of the capping machine retracts a distance, so that the lower end of the capping member 10 is slightly lower than the lower end of the bottle cap, and then the position control motor 15 drives the rotary drive bracket 12 to rotate forward, the electric push rod 11 extends, so that the three capping members 10 clamp the bottle cap, and then the driving motor 7 drives the driving pulley 5 to rotate, so that the driving pulley 5 drives the capping machine through the transmission belt 9. The cap pulley 13 rotates synchronously, and then the cap screwing pulley 13 drives the cap screwing piece 10 to rotate through the sliding rotating bracket 14, so that the cap screwing piece 10 screws the bottle cap on the upper end of the bottle. The rotating driving bracket 12 installed in the device can drive the sliding rotating bracket 14 to slide in the card slot inside the main bracket 1 when rotating, thereby achieving the purpose of synchronous rigid adjustment of the three cap screwing pieces 10, so that the cap screwing piece 10 has the characteristics of a three-jaw chuck, so that the three rigidly adjusted cap screwing pieces 10 can calibrate and position the bottle cap, ensuring that the bottle can be located at the center below the three cap screwing pieces 10 of the device. Thereby, the three capping members 10 can be in synchronous contact with the bottle cap, and the extrusion forces between the three capping members 10 and the bottle cap are the same, thereby ensuring that the bottle cap can be stably screwed on the upper end of the bottle when the three capping members 10 rotate synchronously, thereby enhancing the use effect of the device. The installation of the movable connecting slider 4 can make it slide inside the main bracket 1 through the card slot, ensuring that the device can adjust the position of the capping member 10, so that the device can adapt to bottles and bottle caps of different specifications. At the same time, the movable connecting slider 4 can slide and rotate inside the rotating drive bracket 12 to ensure the stability of the power output of the device.

[0030] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A capping mechanism of a rotary capping machine, comprising a main frame (1), characterized in that: A rotary drive bracket (12) is rotatably mounted on the interior of the front end of the upper end of the main body bracket (1) via a bearing; a sliding rotary bracket (14) is mounted on the interior of the rotary drive bracket (12) via a card slot; a cover screwing pulley (13) is fixedly mounted on the upper end of the sliding rotary bracket (14); a cover screwing member (10) is fixedly mounted on the lower end of the sliding rotary bracket (14); and the sliding rotary bracket (14) is slidably connected to the main body bracket (1) via the card slot; An electric push rod (11) is installed inside the rear end of the upper end surface of the main support (1); a mobile connecting slider (4) is fixedly installed on the telescopic end of the electric push rod (11); the mobile connecting slider (4) is slidably connected to the main support (1) through a card slot; a driving pulley (5) is rotatably installed on the upper end of the mobile connecting slider (4); a transmission belt (9) is provided on the outside of the driving pulley (5) and the cover screwing pulley (13); a mounting cover (2) is installed on the front end of the upper end surface of the main support (1); the mounting cover (2) is connected to the main support (1) through a buckle; a position control motor (15) is fixedly installed on the upper end of the mounting cover (2); the position control motor (15) is connected to the rotating drive support (12) through a coupling.

2. The capping mechanism of a rotary capping machine according to claim 1, characterized in that: Belt tightening rollers (8) are installed on both sides of the upper end surface of the main body bracket (1), and the belt tightening rollers (8) are rotatably connected to the main body bracket (1) via bearings.

3. The capping mechanism of a rotary capping machine according to claim 1, characterized in that: A connecting bracket (3) is installed at the rear end of the upper end surface of the main body bracket (1); the connecting bracket (3) is welded to the main body bracket (1); and the connecting bracket (3) is provided with two threaded holes.

4. The capping mechanism of a rotary capping machine according to claim 1, characterized in that: A motor bracket (6) is installed on the rear end surface of the movable connecting slider (4), and the motor bracket (6) is fixedly connected to the movable connecting slider (4).

5. The capping mechanism of a rotary capping machine according to claim 4, characterized in that: A driving motor (7) is fixedly mounted on the upper end of the motor bracket (6), and the driving motor (7) is connected to the driving pulley (5) via a coupling.

6. The capping mechanism of a rotary capping machine according to claim 4, characterized in that: The driving pulley (5) is connected to the motor bracket (6) via a bearing.

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