A follow-up pipe rolling mechanism and cap screwing machine

Abstract

The utility model discloses a kind of following pipe straightening mechanism and cap screwing machine, wherein following pipe straightening mechanism includes the mounting disc of rotation around itself and the plurality of pipe straightening assembly corresponding one-to-one with cap screwing head evenly arranged along the circumference of mounting disc, the pipe straightening assembly is arranged on mounting disc liftable, below cap screwing head, and initial position is located the upper end of the connecting pipe of the pump cover clamped by cap screwing head.The utility model mounting disc drives the pipe straightening assembly corresponding with cap screwing head to do synchronous rotation, to realize following type pipe straightening, save time, and the initial position of pipe straightening assembly is located connecting pipe upper end, for the connecting pipe of greater bending degree, this position still can keep relative vertical, realize effective limit, realize pipe straightening position relative connecting pipe downward by lifting movement, complete pipe straightening operation to whole connecting pipe, ensure that the lower end of connecting pipe can be aligned bottle mouth, improve the qualified rate of cap screwing while synchronously improve overall cap screwing efficiency.

Description

Technical Field

[0001] This utility model relates to the field of automatic capping equipment technology, and in particular to a following tube-strapping mechanism and a capping machine. Background Technology

[0002] A capping machine is a structure that tightens the caps on filled bottles. It mainly includes a conveying mechanism for transporting the bottles and a capping head for clamping or loosening the caps and screwing the pump caps onto the bottles. Common cap types on the market include round flat caps and pump caps. Since pump caps have a connecting tube at the bottom, the connecting tube is often bent when the caps are supplied. To ensure that the connecting tube of the pump cap can be smoothly inserted into the bottle from the bottle mouth, a tube straightening mechanism is often added to the capping station. This mechanism straightens the bent connecting tube, thereby aligning it with the bottle mouth.

[0003] In existing rotary capping machines, the tube straightening mechanism is mostly located at a specific straightening station, initially positioned 1 cm above the bottle neck. When the bottle is conveyed to the straightening station, it pauses briefly, and a pair of grippers close, gradually straightening the lower end of the bent connecting tube to a vertical position, guiding it. When the lower end of the connecting tube is inserted into the bottle neck, the grippers open, releasing their restraint on the connecting tube, and then the capping operation begins. This design often fails to restrain the connecting tube when its bend is too great, leading to a higher capping defect rate. Furthermore, the inability of the straightening mechanism to follow the bottle neck also limits overall capping efficiency to some extent. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a follow-up tube straightening mechanism and capping machine that reduces the impact of the degree of bending of the connecting tube on the accurate entry of the connecting tube into the bottle mouth, thereby improving the capping qualification rate and simultaneously increasing the overall capping efficiency.

[0005] The technical solution to achieve the purpose of this utility model is:

[0006] A following tube-strapping mechanism includes a mounting plate that rotates around itself and a plurality of tube-strapping assemblies that are uniformly arranged along the circumference of the mounting plate and correspond one-to-one with a capping head. The tube-strapping assemblies are vertically and vertically mounted on the mounting plate, located below the capping head, and initially positioned at the upper end of the connecting pipe of the pump cover clamped by the capping head.

[0007] Furthermore, the tube-strapping assembly includes a horizontally arranged finger cylinder and a pair of tube-clamping fingers respectively fixed to the two actuating ends of the finger cylinder. When the two tube-clamping fingers are in the closed state, they form a limiting hole that is adapted to the connecting tube.

[0008] Furthermore, buffer pads are provided at the inner opposite positions of the two clamping fingers, and when the two buffer pads are in contact, there is a closing gap between the clamping fingers.

[0009] Furthermore, the locking finger includes an integrally formed connecting part, a first locking finger part, and a second locking finger part. The first locking finger part and the second locking finger part are both located on the inner side of the end of the connecting part away from the finger cylinder, and a V-shaped clamping groove is formed between the first locking finger part and the second locking finger part. As the locking part, the bottom surface of the locking part is flush with the bottom surface of the connecting part, and the top surface is provided with an avoidance notch adapted to the locking part of the other locking finger. The tip of the V-shaped clamping groove is provided with an arc-shaped groove with an arc angle of less than 180°. When the arc-shaped grooves of the two locking fingers are closed, they form the limiting hole.

[0010] Furthermore, the inner side of the connecting part is provided with a U-shaped notch, and a connecting hole is provided in the U-shaped notch. The actuating end of the finger cylinder is inserted into the U-shaped notch and is provided with a locking bolt that passes through the connecting hole.

[0011] Furthermore, a cylinder seat is fixedly provided on the upper surface of the mounting plate, a miniature cylinder is provided on the cylinder seat, the cylinder body of the miniature cylinder is fixedly mounted on the cylinder seat, the piston rod extends vertically downward through the mounting plate and is fixedly connected to a connecting seat, and the tube assembly is fixedly connected to the connecting seat.

[0012] Furthermore, the miniature cylinder has guide rods slidably mounted on the cylinder seat on both sides, and the lower end of the guide rods is fixedly connected to the connecting seat.

[0013] A follow-type capping machine includes the follow-tube straightening mechanism described above.

[0014] By adopting the above technical solution, this utility model has the following beneficial effects:

[0015] (1) This utility model uses a mounting disc that rotates around itself to drive a tube-strapping assembly corresponding to the capping head to rotate synchronously, thereby achieving follow-up tube straightening, saving time. Furthermore, the tube-strapping assembly is designed to be liftable, initially positioned at the upper end of the connecting tube. For connecting tubes with significant bends, this position remains relatively vertical, ensuring the tube-strapping assembly can effectively limit the movement of the connecting tube. The lifting motion lowers the tube-strapping position relative to the connecting tube, completing the tube-strapping operation for the entire connecting tube, ensuring the lower end of the connecting tube can... Align the tube with the bottle neck until it is inserted. The lifting motion moves the tube relative to the connecting tube upwards until it returns to the initial position relative to the tube and is released. This avoids collisions with the capping head and ensures that the connecting tube is effectively limited by the tube-sliding assembly throughout the entire insertion process. This prevents excessively bent connecting tubes from interfering with the bottle neck and causing insertion failure. It reduces the impact of the degree of bending of the connecting tube on the accurate entry of the connecting tube into the bottle neck, improves the capping success rate, and simultaneously improves the overall capping efficiency.

[0016] (2) This utility model uses a finger cylinder to drive a pair of tube-clamping fingers to rotate and open, thereby clamping and releasing the connecting tube, preparing for subsequent tube-strapping guidance. The overall structure is simple, the action response is fast, and the tube-strapping clamping efficiency is improved.

[0017] (3) The present invention adds a buffer pad to the tube clamping finger so that there is a certain closing gap when the tube clamping finger is closed by the finger cylinder, thereby avoiding direct collision between the two tube clamping fingers and reducing working noise.

[0018] (4) This utility model adopts a special structure of pipe clamping finger, which guides the connecting pipe smoothly into the limiting hole through the V-shaped groove. The limiting hole is made up of two arc grooves with an arc angle of less than 180° to avoid forming a completely closed circular hole and improve the compatibility with connecting pipes of different diameters with similar size.

[0019] (5) This utility model achieves a detachable connection between the pipe clamping finger and the finger cylinder through a bolt structure, which facilitates the replacement of different pipe clamping fingers to adapt to the use of connecting pipes with more diameters.

[0020] (6) This utility model uses a micro cylinder to drive the connecting seat to rise and fall, thereby driving the tube-strapping assembly to rise and fall. It has a simple structure and quick action response.

[0021] (7) This utility model improves the stability of lifting and lowering motion by adding a guide rod. Attached Figure Description

[0022] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings, wherein:

[0023] Figure 1This is a schematic diagram of the structure of this utility model;

[0024] Figure 2 This is a schematic diagram of the structure of the clamping finger of this utility model;

[0025] Figure 3 This is a partial structural schematic diagram of the capping machine of this utility model.

[0026] The labels in the attached diagram are:

[0027] Mounting plate 1, cylinder seat 2, miniature cylinder 3, connecting seat 4, finger cylinder 5, tube clamping finger 6, connecting part 6-1, first clamping finger part 6-2, second clamping finger part 6-3, avoidance notch 6-4, arc groove 6-5, U-shaped notch 6-6, connecting hole 6-7, guide rod 7, buffer pad 8. Detailed Implementation

[0028] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0029] (Example 1)

[0030] This embodiment provides a rotary follow-type capping machine, employing, as shown in... Figures 1 to 3 The following tube-strapping mechanism shown includes a mounting plate 1 and multiple tube-strapping assemblies evenly arranged circumferentially along the mounting plate 1. The number of tube-strapping assemblies corresponds one-to-one with the capping heads of the capping machine, used to limit the connection tube of the pump cap clamped by the capping heads. The mounting plate 1 is coaxially fixed to the main shaft of the rotary following capping machine. Driven by the rotary drive mechanism of the capping machine, it rotates around itself, thereby driving the tube-strapping assemblies on it to rotate synchronously, realizing rotary following tube-strapping. Each tube-strapping assembly is vertically mounted on the mounting plate 1, located below the corresponding capping head, and initially positioned at the upper end of the corresponding pump cap's connection tube. For connection tubes with a large degree of curvature, this position can still remain relatively vertical, achieving effective limiting. Through the lifting and lowering motion, the tube-strapping position moves downward relative to the connection tube, completing the tube-strapping operation of the entire connection tube, ensuring that the lower end of the connection tube can be aligned with the bottle mouth, improving the capping qualification rate and simultaneously improving the overall capping efficiency.

[0031] Specifically, a cylinder seat 2 is fixedly mounted on the upper surface of the mounting plate 1. A miniature cylinder 3 is mounted on the cylinder seat 2. The cylinder body of the miniature cylinder 3 is fixedly mounted on the cylinder seat 2. The piston rod extends vertically downward through the mounting plate 1 and is fixedly connected to a connecting seat 4. The tube-strapping assembly includes a finger cylinder 5 horizontally mounted and fixedly mounted on the connecting seat 4. Two actuating ends of the finger cylinder 5 are connected to tube-clamping fingers 6. The finger cylinder 5 drives the two tube-clamping fingers to rotate and open. When the two tube-clamping fingers 6 are closed, they form limiting holes that fit the connecting tube, thereby clamping and releasing the connecting tube, preparing for subsequent tube-strapping guidance. The connecting seat 4 is raised and lowered by the miniature cylinder 3, thereby driving the tube-strapping assembly to rise and fall. The overall structure is simple, the action response is fast, and the tube-strapping clamping efficiency is improved. To improve the stability of the lifting and lowering movement, in this embodiment, guide rods 7 are slidably mounted on the cylinder seat 2 on both sides of the miniature cylinder 3. The lower end of the guide rods 7 is fixedly connected to the connecting seat 4.

[0032] The tube clamping finger 6 includes an integrally formed connecting part 6-1, a first clamping finger part 6-2, and a second clamping finger part 6-3. The first clamping finger part 6-2 and the second clamping finger part 6-3 are both located on the inner side of the end of the connecting part 6-1 away from the finger cylinder 5, and a V-shaped clamping groove is formed between the first clamping finger part 6-1 and the second clamping finger part 6-3. As the tube clamping part, the bottom surface of the tube clamping part is flush with the bottom surface of the connecting part, and the top surface is provided with an avoidance notch 6-4 that is adapted to the tube clamping part of the other tube clamping finger. The tip of the V-shaped clamping groove is provided with an arc-shaped groove 6-5 with an arc angle of less than 180°. When the arc-shaped grooves of the two tube clamping fingers are closed, they form a limiting hole. Compared with a completely closed circular hole, the limiting hole here will not be completely closed, which improves the compatibility with connecting pipes of different diameters with similar sizes.

[0033] The inner side of the connecting part 6-1 is provided with a U-shaped notch 6-6, and a connecting hole 6-7 is provided in the U-shaped notch 6-6. The actuating end of the finger cylinder is inserted into the U-shaped notch 6-6 and is provided with a locking bolt that passes through the connecting hole. The bolt structure enables the detachable connection between the tube clamping finger 6 and the finger cylinder 5, making it convenient to replace different tube clamping fingers 6 to adapt to the use of connecting pipes with more diameters for limiting.

[0034] To reduce noise when the locking finger 6 closes, this embodiment provides a buffer pad 8 at the opposite position on the inner side of the locking finger 6. When the two buffer pads 8 are in contact, the locking part of the locking finger 6 is inserted into the corresponding clearance notch 6-4, and there is a closing gap between them to avoid direct impact between the two locking fingers, thereby reducing working noise.

[0035] This invention utilizes a mounting disc 1 that rotates around itself to drive a tube-strapping assembly corresponding to the capping head to rotate synchronously, thereby achieving follow-type tube straightening, saving time. Furthermore, the tube-strapping assembly is designed to be height-adjustable. Initially positioned at the upper end of the connecting tube, this position remains relatively vertical even for connecting tubes with significant bends, ensuring effective positioning of the tube-strapping assembly relative to the connecting tube. The lifting motion lowers the tube-strapping position relative to the connecting tube, completing the tube straightening operation for the entire connecting tube and ensuring that the lower end of the connecting tube is... Align the tube with the bottle neck until it is inserted. A lifting motion moves the tube relative to the connecting tube upwards until it returns to its initial position relative to the tube. This prevents collisions with the capping head and ensures the connecting tube is effectively limited by the tube-strapping assembly throughout the insertion process. This prevents excessively bent connecting tubes from interfering with the bottle neck and causing insertion failure. It reduces the impact of tube bending on accurate entry into the bottle neck, improving the capping success rate and overall capping efficiency.

[0036] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above descriptions are merely specific embodiments of this utility model and are not intended to limit this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A following tube straightening mechanism, characterized in that: It includes a mounting plate that rotates around itself and multiple tube-strapping assemblies that are evenly arranged along the circumference of the mounting plate and correspond one-to-one with the capping head. The tube-strapping assemblies are vertically mounted on the mounting plate, located below the capping head, and initially positioned at the upper end of the connecting pipe of the pump cover clamped by the capping head.

2. The following tube straightening mechanism according to claim 1, characterized in that: The tube-strapping assembly includes a horizontally arranged finger cylinder and a pair of tube-clamping fingers respectively fixed to the two actuating ends of the finger cylinder. When the two tube-clamping fingers are in the closed state, they form a limiting hole that is adapted to the connecting tube.

3. The following tube-strapping mechanism according to claim 2, characterized in that: A buffer pad is provided at the inner opposite position of the two clamping fingers. When the two buffer pads are in contact, there is a closing gap between the clamping fingers.

4. The following tube-strapping mechanism according to claim 2, characterized in that: The locking finger includes an integrally formed connecting part, a first locking finger part, and a second locking finger part. The first locking finger part and the second locking finger part are both located on the inner side of the end of the connecting part away from the finger cylinder, and a V-shaped clamping groove is formed between the first locking finger part and the second locking finger part. As the locking part, the bottom surface of the locking part is flush with the bottom surface of the connecting part, and the top surface is provided with an avoidance notch adapted to the locking part of the other locking finger. The tip of the V-shaped clamping groove is provided with an arc-shaped groove with an arc angle of less than 180°. When the arc-shaped grooves of the two locking fingers are closed, they form the limiting hole.

5. A following tube straightening mechanism according to claim 4, characterized in that: The inner side of the connecting part is provided with a U-shaped notch, and a connecting hole is provided in the U-shaped notch. The actuator end of the finger cylinder is inserted into the U-shaped notch and is provided with a locking bolt that passes through the connecting hole.

6. A following tube straightening mechanism according to any one of claims 2 to 5, characterized in that: A cylinder seat is fixedly mounted on the upper surface of the mounting plate. A miniature cylinder is mounted on the cylinder seat. The cylinder body of the miniature cylinder is fixedly mounted on the cylinder seat. The piston rod extends vertically downward through the mounting plate and is fixedly connected to a connecting seat. The tube assembly is fixedly connected to the connecting seat.

7. A following tube straightening mechanism according to claim 6, characterized in that: The miniature cylinder has guide rods that are slidably mounted on the cylinder seat on both sides, and the lower end of the guide rods is fixedly connected to the connecting seat.

8. A follow-type capping machine, characterized in that: Includes the following tube-strapping mechanism as described in any one of claims 1 to 7.

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