Torsion cap screwing assembly for cap screwing machine

By designing an adjustable-size torque capping assembly, the problem that traditional capping machines can only be used with caps of a single size is solved, achieving applicability to caps of different sizes, reducing usage limitations, and improving practicality and ease of use.

CN223804864UActive Publication Date: 2026-01-16DONGGUAN HONGTU MACHINERY EQUIPMENT CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520238895.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-14
Publication Date
2026-01-16
Estimated Expiration
2035-02-14

AI Technical Summary

Technical Problem

Traditional capping machines have capping heads with non-adjustable capping dimensions, which limits their applicability to caps of a single size.

Method used

A torque capping assembly was designed, comprising a back plate, a servo cylinder, a pneumatic rod, a capping motor, and a three-jaw cylinder. The servo cylinder drives the pneumatic rod and the capping motor, and the three-jaw cylinder's gripper structure enables dynamic size adjustment of the capping component, making it suitable for caps of different sizes.

Benefits of technology

The screw cap assembly is applicable to caps of different sizes, reducing usage limitations, improving practicality, and is simple in structure, low in cost, and easy to use.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223804864U_ABST
    Figure CN223804864U_ABST
Patent Text Reader

Abstract

The torsion cap screwing assembly for the cap screwing machine comprises a back plate, an air cylinder seat is fixedly installed outside the front face of the back plate, a servo air cylinder is fixedly installed on the air cylinder seat through a bolt, the output end of the servo air cylinder is movably connected with an air pressure rod in a telescopic mode, and a fixing plate is fixedly installed on the outer wall of the bottom end of the air pressure rod. A cap screwing motor is fixedly installed at the center position of the lower surface of the fixing plate through a bolt, a three-jaw air cylinder is fixedly installed at the bottom end of a rotating shaft of the cap screwing motor, connecting columns are fixedly installed on the lower surfaces of three clamping jaws of the three-jaw air cylinder, cap screwing pieces are fixedly installed at the bottom ends of the three connecting columns, and the cap screwing pieces are designed to be of an arc-shaped structure. According to the cap screwing assembly, the cap screwing piece can have the free unfolding and retracting effects, so that the cap screwing clamping size of the cap screwing piece can be dynamically adjusted, the actual use effect of dynamically adjusting the cap screwing size is achieved, and therefore the cap screwing assembly can be suitable for cap screwing treatment of cap bodies of different sizes.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to screw cap machine accessory technical field, specifically is twist force screw cap subassembly for screw cap machine. BACKGROUND

[0002] The screw cap machine is also called a capping machine, a capping machine or a locking cap machine, which is a device for screwing and unscrewing the caps of containers such as plastic bottles and glass bottles after the containers are divided and packed;

[0003] The bottle inlet of the screw cap machine is provided with an adjustable buffer turntable, which mainly functions to complete the screwing operation of the cap on the filling production line, ensure the sealing of the container, and prevent the evaporation and exposure of the contents. It is widely used in many industries, such as biotechnology, medical research and development, cosmetics, personal care products, and household cleaning products.

[0004] The screw cap machine is equipped with a screw cap head during use. The screw cap head is driven to rotate synchronously under the torsional rotation of the motor to complete the rotation and capping of the cap body. However, the screw cap size of the traditional screw cap machine cannot be adjusted during use, so a single screw cap head can only be used for single-size cap rotation and capping work, which has certain use limitations and insufficient cap size applicability. Therefore, the utility model provides a screw cap machine twist force screw cap assembly suitable for various sizes of cap rotation and capping work. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a twist force screw cap assembly for a screw cap machine to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a twist force screw cap assembly for a screw cap machine, comprising a back plate, a gas cylinder seat is fixedly installed on the front surface of the back plate, a servo gas cylinder is fixedly installed on the gas cylinder seat through bolts, a gas pressure rod is movably connected to the output end of the servo gas cylinder, a fixed plate is fixedly installed on the bottom end outer wall of the gas pressure rod, a screw cap motor is fixedly installed on the lower surface center of the fixed plate through bolts, a three-jaw gas cylinder is fixedly installed on the rotating shaft bottom end of the screw cap motor, a connecting column is fixedly installed on the lower surface of each jaw of the three-jaw gas cylinder, a screw cap piece is fixedly installed at the bottom end of each connecting column, and the screw cap piece is designed in an arc shape.

[0007] Preferably, guide plates are fixedly installed on the outer walls of both sides of the gas cylinder seat at the bottom end, and guide columns are slidingly inserted into the interiors of the two guide plates.

[0008] Preferably, the bottom end of the guide column is fixedly connected to the upper surface of the fixed plate, and a limiting piece is fixedly installed at the top end of each guide column.

[0009] Preferably, the limiting piece adopts a cylindrical structure design, and the diameter of the limiting piece is greater than the diameter of the guide column.

[0010] Preferably, the two sides of the back plate are fixedly provided with side mounting plates, and the outer surfaces of the two side mounting plates are fixedly provided with a plurality of equidistant linearly distributed mounting holes.

[0011] Preferably, the inner wall of each rotating cap piece is provided with uniformly distributed anti-skid lines.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The torsion rotating cap assembly can be conveniently installed on a matched rotating cap machine for use, and the rotating cap work can be extremely conveniently completed, and through the structural design of the three-jaw air cylinder, the rotating cap piece can have a free expansion and retraction effect, so that the rotating cap clamping size of the rotating cap piece can be dynamically adjusted, and the actual use effect of the rotating cap size dynamic adjustment is achieved, so that the rotating cap assembly can be suitable for rotating cap processing of cap bodies of different sizes, the size application range is more convenient, the technical problem of single rotating cap size of the traditional rotating cap assembly is effectively avoided, the use limitation is reduced, the practicality is better, the overall structure is simple, the manufacturing and maintenance cost is low, and the use is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front perspective structural schematic view of the torsion rotating cap assembly of the utility model embodiment.

[0015] Figure 2 It is a bottom view structural schematic view of the torsion rotating cap assembly of the utility model embodiment.

[0016] Figure 3 It is a back perspective structural schematic view of the torsion rotating cap assembly of the utility model embodiment.

[0017] Figure 4 It is an A area enlarged structural schematic view of the utility model embodiment. Figure 2

[0018] In the drawing: 1, back plate; 2, air cylinder seat; 3, servo air cylinder; 4, fixed plate; 5, rotating cap motor; 6, three-jaw air cylinder; 7, connecting column; 8, rotating cap piece; 9, anti-skid line; 10, air pressure rod; 11, guide plate; 12, guide column; 13, limiting piece; 14, side mounting plate; 15, mounting hole. DETAILED DESCRIPTION

[0019] ​The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0020] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0022] Please refer to Figures 1-4 The utility model provides an embodiment: a torsion force cap screwing assembly for cap screwing machine, including backplate 1, the positive face outside fixed mounting of backplate 1 has cylinder seat 2, is fixedly installed with servo cylinder 3 on cylinder seat 2 through bolt, servo cylinder 3's output end telescopic activity is connected with air pressure rod 10, is fixedly installed with fixed plate 4 on the bottom end outer wall of air pressure rod 10, the telescopic treatment of driving air pressure rod 10 can be set up servo cylinder 3, the lower surface center position of fixed plate 4 is fixedly installed with cap screwing motor 5 through bolt, when air pressure rod 10 is telescopic, it will synchronous drive the fixed plate 4 of bottom end and cap screwing motor 5 to carry out up and down lifting work;

[0023] Among them, specifically refer to the description of the drawings Figure 4 As shown in the description of the drawings, according to the description 4, the rotating shaft bottom end of cap screwing motor 5 is fixedly installed with three-jaw cylinder 6, the lower surface of the three clamping jaws of three-jaw cylinder 6 is fixedly installed with connecting column 7, the bottom end of the three connecting columns 7 is fixedly installed with cap screwing piece 8;

[0024] When the cap needs to be screwed, the servo cylinder 3 is arranged to drive the air pressure rod 10 to extend, and when the air pressure rod 10 extends, the bottom end cap screwing part 8 is driven to synchronously descend, so that the three cap screwing parts 8 are arranged outside the cap body, and the three-jaw cylinder 6 is arranged to work, and when the three-jaw cylinder 6 works, the three clamping jaws are inwards retracted, so that the three cap screwing parts 8 are synchronously retracted inwards by the retraction of the three clamping jaws, and the cap body is clamped by the cap screwing parts 8 retracted inwards;

[0025] When the cap screwing parts 8 clamp the cap body, the cap screwing motor 5 is arranged to work, and when the cap screwing motor 5 works, the cap screwing parts 8 are synchronously driven to rotate by the rotating shaft, so that the cap body is rotated and capped by the cap screwing parts 8, and the normal cap screwing work of the cap screwing assembly is ensured.

[0026] In order to adapt the inner wall structure of the cap screwing part 8 to the arc-shaped outer wall of the cap body, the cap screwing part 8 is designed in an arc-shaped structure.

[0027] In order to avoid the sliding phenomenon of the cap screwing part 8 when the cap is capped, the anti-skid lines 9 are arranged on the inner wall of each cap screwing part 8, the friction between the cap body and the cap screwing part 8 is improved by the anti-skid lines 9, and the sliding phenomenon of the cap body when the cap is capped is effectively avoided, and the use effect is improved.

[0028] In the embodiment, in order to improve the displacement guiding property of the air pressure rod 10 when the air pressure rod 10 is retracted, the two sides of the cylinder seat 2 are fixedly provided with the guide plates 11, the guide columns 12 are slidably arranged in the guide plates 11, the bottom end of the guide column 12 is fixedly connected with the upper surface of the fixed plate 4, and the top end of the guide column 12 is fixedly provided with the limiting part 13.

[0029] The limiting part 13 is designed in a cylindrical structure, and the diameter of the limiting part 13 is greater than the diameter of the guide column 12.

[0030] In the embodiment, in order to facilitate the installation of the torsion cap screwing assembly on the cap screwing machine, the two sides of the back plate 1 are fixedly provided with the side installation plates 14, and the outer surfaces of the two side installation plates 14 are fixedly provided with the installation holes 15.

[0031] The side installation plates 14 and the installation holes 15 are arranged, so that the torsion cap screwing assembly is installed on the cap screwing machine by bolts, and the normal use effect is ensured.

[0032] Working principle: when the cap screwing assembly is used, the side installation plates 14 and the installation holes 15 are arranged, so that the cap screwing assembly is installed on the cap screwing machine by bolts, and the normal use of the cap screwing assembly is ensured.

[0033] When the cap needs to be screwed, the container and the cap to be capped are conveyed by an external conveying device to be directly below the cap screwing assembly 8, the air pressure rod 10 is driven to extend by the servo air cylinder 3, when the air pressure rod 10 extends, the cap screwing assembly 8 at the bottom end is driven to descend synchronously, so that the three cap screwing assemblies 8 are arranged on the outside of the cap, at this time, the three-jaw air cylinder 6 is driven to work, when the three-jaw air cylinder 6 works, the three clamping jaws are inwardly retracted, so that the three cap screwing assemblies 8 are driven to retract synchronously by the retraction of the three clamping jaws, and the cap is clamped by the cap screwing assembly 8 retracted inwardly;

[0034] After the cap screwing assembly 8 clamps the cap, the cap screwing motor 5 is driven to work, when the cap screwing motor 5 works, the cap screwing assembly 8 is driven to rotate synchronously by the rotating shaft, so that the cap is rotated and capped by the rotation of the cap screwing assembly 8, and the normal cap screwing work of the cap screwing assembly is ensured;

[0035] After the cap screwing work is completed, the cap screwing motor 5 stops working, the cap screwing assembly 8 is driven to expand by the clamping jaws of the three-jaw air cylinder 6, so that the cap is released, at this time, the air pressure rod 10 is driven to retract by the servo air cylinder 3, and then the external conveying device is operated to convey the container after the cap screwing work is completed, and the new workpiece to be capped is conveyed to be directly below the cap screwing assembly again, and the above-mentioned mode can complete the reciprocating cap screwing work.

[0036] According to the above structure, the cap screwing assembly of the utility model can be conveniently installed on the matched cap screwing machine for use, and the cap screwing work can be conveniently completed, and the cap screwing assembly of the utility model can have the effects of free expansion and retraction by the structural design of the three-jaw air cylinder, so that the cap screwing clamping size of the cap screwing assembly can be dynamically adjusted, the actual use effect of dynamic adjustment of the cap screwing size is achieved, and therefore the cap screwing assembly of the utility model can be suitable for cap screwing work of caps of different sizes, the size application range is more convenient, the technical problem of single cap screwing size of the traditional cap screwing assembly is avoided, the use limitation is reduced, the practicality is better, the overall structure is simple, the manufacturing and maintenance costs are low, and the use is more convenient.

[0037] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the involved claims.

Claims

1. A torque cap screwing assembly for a cap screwing machine, comprising a back plate (1), characterized in that, The front face outer of the back plate (1) is fixedly installed with a cylinder seat (2), the cylinder seat (2) is fixedly installed with a servo cylinder (3) through bolts, the output end of the servo cylinder (3) is telescopically and movably connected with a pneumatic rod (10), the bottom end outer wall of the pneumatic rod (10) is fixedly installed with a fixed plate (4), the lower surface center position of the fixed plate (4) is fixedly installed with a cap screwing motor (5) through bolts, the rotating shaft bottom end of the cap screwing motor (5) is fixedly installed with a three-jaw cylinder (6), the three clamping jaws of the three-jaw cylinder (6) are fixedly installed with connecting columns (7), the bottom end of the three connecting columns (7) are fixedly installed with cap screwing pieces (8), the cap screwing pieces (8) adopt arc-shaped structure design.

2. The torque-on cap assembly for a cap screwing machine according to claim 1, characterized in that: The both sides outer walls of the bottom end cylinder seat (2) are fixedly installed with guide plates (11), the interiors of the two guide plates (11) are slidably inserted with guide columns (12).

3. The torque-on cap assembly for a cap screwing machine according to claim 2, wherein: The bottom end of the guide column (12) is fixedly connected with the upper surface of the fixed plate (4), the top ends of the two guide columns (12) are fixedly installed with limiting pieces (13).

4. The torque-on cap assembly for a cap screwing machine according to claim 3, wherein: The limiting piece (13) adopts cylindrical structure design, the diameter of the limiting piece (13) is greater than the diameter of the guide column (12).

5. The torque-on cap assembly for a cap screwing machine according to claim 1, wherein: The both sides of the back plate (1) are fixedly installed with side mounting plates (14), the outer surfaces of the two side mounting plates (14) are fixedly installed with a plurality of equidistant linearly distributed mounting holes (15).

6. The torque-on cap assembly for a cap screwing machine according to claim 1, characterized in that: The inner wall of each cap screwing piece (8) is provided with evenly distributed anti-skid lines (9).