Cap screwing device for PE plastic hose

By designing a capping device for PE plastic hoses, automatic positioning is achieved using a conveyor belt and limiters. The friction between the clamping rod and the rubber sleeve, combined with stepper motor control, enables stable tightening of caps of irregular shapes, solving the problem of cap slippage in existing technologies and adapting to caps of various sizes and shapes.

CN223722770UActive Publication Date: 2025-12-26GUANGDONG SHENGZE PLASTIC IND CO LTD
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Patent Information

Application Number
CN202520017205.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-03
Publication Date
2025-12-26
Estimated Expiration
2035-01-03

AI Technical Summary

Technical Problem

In the existing technology, capping machines have difficulty holding caps stably. In particular, the existing technology is difficult to adapt to caps of various shapes and cannot achieve stable sealing.

Method used

A capping device for PE plastic hoses was designed. It is automatically positioned by a conveyor belt and a limiter, and the cap is tightened by the friction of the clamp and the rubber sleeve. Combined with the control of a stepper motor and a cylinder, it can achieve stable tightening of caps with irregular shapes.

Benefits of technology

It achieves stable clamping and tightening of caps with irregular shapes such as ovals, solves the problem of cap slippage in existing technologies, and adapts to the needs of caps of various sizes and shapes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cap screwing device for a PE (polyethylene) plastic hose, which comprises a conveying belt, a limiter mounted on the side surface of the conveying belt, the conveying belt for conveying the PE plastic hose, a portal frame arranged on the upper part of the right side of the conveying belt, a driver mounted on the portal frame, an assembly plate mounted at the lower end of the driver, and two clamping rods rotationally mounted in the middle of the assembly plate through synchronous parts, a third air cylinder is installed on the right side of the conveying belt and connected with a positioning seat, the upper portion of the assembling plate is connected with two sliding blocks in a sliding mode through a sliding rail, the two sliding blocks are connected with the two clamping rods, and a spring exerciser is installed between the two sliding blocks. The PE plastic hose is placed on the conveying belt, the sealing cover is placed on the PE plastic hose, the conveying belt conveys the PE plastic hose to the position between the positioning seats to be clamped, the second air cylinder controls the clamping rods to move downwards, the sealing cover opens the two clamping rods, the tension device keeps the state that the sealing cover is clamped by the rubber sleeve, the stepping motor screws the sealing cover through the rubber sleeve, and the sealing cover in an irregular shape can be tightened.
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Description

TECHNICAL FIELD

[0001] The utility model relates to PE plastic hose processing technical field, specifically is a kind of PE plastic hose's screw cap device. BACKGROUND

[0002] Screw cap machine is often used for the capping of bottled or canned products, and the screw cap machine of clamping jaw type realizes capping by clamping the cover body and rotating the clamping jaw.

[0003] In the related art, a screw cap mechanism of a screw cap machine (publication number CN221940082U) is found by searching, which can rotate the chuck part relative to the connecting part directly, replace the arc-shaped clamping block matching the current production cover body, and each arc-shaped clamping block is adapted to cover bodies of different sizes, so that the clamping jaw has a wide range of applications and is convenient and fast to replace.

[0004] However, the above scheme is mainly used for circular caps, and when the caps are irregular shapes such as ellipses, the above scheme cannot stably clamp the caps, cannot tighten them, or cannot twist them. INVENTION CONTENTS

[0005] The utility model aims at providing a screw cap device for PE plastic hose to solve the problems in the above background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a screw cap device for PE plastic hose, comprising a conveyor belt, a limiting device is installed on the side of the conveyor belt, the conveyor belt is used for conveying PE plastic hose, and the limiting device keeps the PE plastic hose upright, so that the PE plastic hose can be automatically positioned.

[0007] A gantry is arranged on the right upper part of the conveyor belt, a driver is installed on the gantry, an assembly plate is installed at the lower end of the driver, two clamping rods are rotatably installed in the middle of the assembly plate through a synchronous part, a rubber sleeve is installed at the lower end of the clamping rod, the driver controls the rotation of the two clamping rods, the friction between the rubber sleeve and the cap is large, and the problem of slipping does not occur when twisting, a third air cylinder is installed on the right side of the conveyor belt, and the third air cylinder is connected with a positioning seat.

[0008] Two sliding blocks are slidably connected to the upper part of the assembly plate through a sliding rail, the two sliding blocks are connected with the two clamping rods, and a tensioner is installed between the two sliding blocks.

[0009] Further, a plurality of indicator rings are evenly arranged on the surface of the conveyor belt, the indicator rings facilitate the placement of PE plastic hose by workers, and the spacing of the PE plastic hose is controlled.

[0010] Further, the position limiter comprises a first cylinder and a blocking strip connected with the first cylinder, the interval of the two blocking strips can be controlled for different sizes of PE plastic hose, and various PE plastic hoses can be used.

[0011] Further, the driver comprises a second cylinder, the second cylinder is connected with a stepping motor through a fixing frame, the stepping motor is fixedly connected with an assembling plate, the stepping motor controls the rotation of the clamping rod, and the rotation of the cover is stably controlled.

[0012] Further, the synchronizer comprises a center rod and control rods rotatably connected at two ends of the center rod, the control rods are rotatably connected with the clamping rod, the bottle cap can be centered and clamped, and various shapes of bottle caps can be adapted.

[0013] Further, the tensioner is connected with a hanging seat through hooks at two ends, and the hanging seat is connected with the clamping rod, so that the tensioner can be conveniently replaced.

[0014] Compared with the prior art, the PE plastic hose is placed on the conveying belt, the cover is placed on the PE plastic hose, the conveying belt transports the PE plastic hose to be clamped between the positioning seats, the second cylinder controls the downward movement of the clamping rod, the cover is opened between the two clamping rods, the tensioner keeps the rubber sleeve clamping the cover, and the stepping motor twists the cover through the rubber sleeve, so that the cover of irregular shape can be tightened. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a top view of the utility model;

[0016] Figure 2 It is a schematic view of the connection between the third cylinder and the positioning seat of the utility model;

[0017] Figure 3 It is a schematic view of the connection between the clamping rod and the control rod of the utility model.

[0018] In the drawing: 1, conveying belt; 2, first cylinder; 3, blocking strip; 4, indicating ring; 5, third cylinder; 6, gantry frame; 7, positioning seat; 8, second cylinder; 9, fixing frame; 10, stepping motor; 11, assembling plate; 12, clamping rod; 13, rubber sleeve; 14, sleeve connecting column; 15, sliding rail; 16, sliding block; 17, hanging seat; 18, tensioner; 19, center rod; 20, control rod; 21, hook. DETAILED DESCRIPTION

[0019] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of the present application.

[0020] Embodiment:

[0021] Please refer to Figures 1-3 The present application provides a technical scheme: a cap screwing device for PE plastic hose, comprising a conveying belt 1, a limiting device is installed on the side of the conveying belt 1, the conveying belt 1 is used for conveying PE plastic hose, the limiting device keeps the PE plastic hose standing, the PE plastic hose is not easy to pour, and it is helpful to stably screw the cap onto the PE plastic hose.

[0022] A gantry 6 is arranged on the right upper part of the conveying belt 1, a driver is installed on the gantry 6, an assembly plate 11 is installed at the lower end of the driver, two clamping rods 12 are rotatably installed in the middle of the assembly plate 11 through a synchronous part, a rubber sleeve 13 is installed at the lower end of the clamping rod 12, the rubber sleeve 13 plays a role of preventing slipping, the rubber sleeve 13 has an inclined surface, which facilitates the rubber sleeve 13 to be better opened by the cap, a third air cylinder 5 is installed on the right side of the conveying belt 1, a positioning seat 7 is connected to the third air cylinder 5, the third air cylinder 5 controls the positioning seat 7 to position the PE plastic hose, and the rubber sleeve 13 can accurately clamp the cap.

[0023] Two sliding blocks 16 are slidably connected to the assembly plate 11 through a sliding rail 15, the two sliding blocks 16 are connected with the two clamping rods 12, a tensioner 18 is installed between the two sliding blocks 16, the tensioner 18 can be an elastic band, and the sliding block 16 improves the stability of the movement of the clamping rod 12.

[0024] In the embodiment, as shown in Figure 1 A plurality of indicating rings 4 are evenly arranged on the surface of the conveying belt 1, the indicating rings 4 facilitate to guide the placement position of the PE plastic hose, and facilitate to position the PE plastic hose.

[0025] In the embodiment, as shown in Figure 1 The limiting device comprises a first air cylinder 2 and a blocking strip 3 connected with the first air cylinder 2, the two first air cylinders 2 can control the spacing of the blocking strip 3, and the PE plastic hose of various sizes is suitable.

[0026] In the embodiment, as shown in Figure 3As shown, the driver includes a second cylinder 8, the second cylinder 8 is connected with a stepper motor 10 through a fixed frame 9, the stepper motor 10 is fixedly connected with an assembly plate 11, the second cylinder 8 controls the stepper motor 10 to lift, the stepper motor 10 controls the clamping rod 12 to rotate, and the cover can be smoothly controlled to rotate.

[0027] In the embodiment, as shown in the figure, Figure 3 As shown, the synchronizer includes a center rod 19 and control rods 20 rotatably connected at both ends of the center rod 19, the control rods 20 are rotatably connected with the clamping rods 12, when the cover is opened by the clamping rods 12, the two clamping rods 12 are synchronously moved through the center rod 19 and the control rods 20, and the cover can be better clamped.

[0028] In the embodiment, as shown in the figure, Figure 3 As shown, the puller 18 is connected with a hanging seat 17 through hooks 21 at both ends, the hanging seat 17 is connected with the clamping rod 12, and the puller 18 is convenient to replace.

[0029] In the embodiment, as shown in the figure, Figure 3 As shown, the clamping rod 12 is provided with a sleeving column 14 on the surface, and the rubber sleeve 13 is connected with the sleeving column 14, and it is more convenient to replace the rubber sleeve 13.

[0030] Specifically, in use, the PE plastic hose is often used for product packaging such as BB cream and hand cream, the PE plastic hose is placed on the conveying belt 1, and the bottle cap is pre-placed on the PE plastic hose, the blocking strip 3 assists in supporting the PE plastic hose, when the PE plastic hose moves to between the positioning seats 7, the third cylinder 5 clamps the PE plastic hose through the positioning seats 7, the second cylinder 8 controls the stepper motor 10 to move downward, the stepper motor 10 controls the clamping rod 12 to move downward through the assembly plate 11, the two clamping rods 12 are opened by the bottle cap, the puller 18 clamps the cover by pulling the two clamping rods 12, and the rubber sleeve 13 is ensured to be attached to the bottle cap, then the stepper motor 10 controls the clamping rod 12 to rotate through the assembly plate 11, and the clamping rod 12 is tightly screwed with the PE plastic hose through the pushing action of the second cylinder 8.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A cap screwing device for PE plastic hoses, comprising a conveyor belt (1), characterized in that: The conveying belt (1) is provided with a limiter on the side, the conveying belt (1) is used for conveying PE plastic hose, and the limiter keeps the PE plastic hose standing; The right upper portion of the conveying belt (1) is provided with a portal frame (6), the portal frame (6) is provided with a driver, the lower end of the driver is provided with an assembling plate (11), the middle portion of the assembling plate (11) is rotatably provided with two clamping rods (12) through synchronous parts, the lower end of the clamping rod (12) is provided with a rubber sleeve (13), the right side of the conveying belt (1) is provided with a third cylinder (5), and the third cylinder (5) is connected with a positioning seat (7); The upper portion of the assembling plate (11) is slidably provided with two sliding blocks (16) through sliding rails (15), the two sliding blocks (16) are connected with the two clamping rods (12), and a tensioner (18) is arranged between the two sliding blocks (16).

2. A cap assembly for a PE plastic hose according to claim 1, characterized in that: The conveying belt (1) is uniformly provided with a plurality of indicating rings (4).

3. A cap assembly for a PE plastic hose according to claim 1, characterized in that: The limiter comprises a first cylinder (2) and a blocking strip (3) connected with the first cylinder (2).

4. A cap assembly for a PE plastic hose according to claim 1, characterized in that: The driver comprises a second cylinder (8), the second cylinder (8) is connected with a stepping motor (10) through a fixing frame (9), and the stepping motor (10) is fixedly connected with the assembling plate (11).

5. A cap assembly for a PE plastic hose according to claim 1, characterized in that: The synchronous part comprises a center rod (19) and control rods (20) rotatably connected at both ends of the center rod (19), and the control rod (20) is rotatably connected with the clamping rod (12).

6. A cap assembly for a PE plastic hose according to claim 1, characterized in that: The two ends of the tensioner (18) are connected with a hanging seat (17) through hooks (21), and the hanging seat (17) is connected with the clamping rod (12).

7. A cap assembly for a PE plastic hose according to claim 1, characterized in that: The clamping rod (12) is provided with a sleeving column (14) on the surface, and the rubber sleeve (13) is connected with the sleeving column (14). The clamping rod (12) is provided with a sleeving column (14) on the surface, and the rubber sleeve (13) is connected with the sleeving column (14).

Citation Information

Patent Citations

  • Cap screwing mechanism of cap screwing machine

    CN221940082U