Plastic bottle leak detection machine

By introducing a limit rod guide and an in-place detector into the plastic bottle leak detector, combined with a clamping cylinder and a leak detection head, precise positioning and accurate leak detection of plastic bottles are achieved, solving the problem of inaccurate positioning in the existing technology and improving detection accuracy and production efficiency.

CN223400525UActive Publication Date: 2025-09-30GUANGDONG WENSU IND CO LTD
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Patent Information

Application Number
CN202422613987.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-09-30
Estimated Expiration
2034-10-29

AI Technical Summary

Technical Problem

Existing plastic bottle leak detectors are not precise enough in positioning during the detection process, resulting in failure to detect leaks or misdetection of leaks, affecting work efficiency and mass production.

Method used

The limit rod guide and in-position detector are used in conjunction with the compacting cylinder and leak detection head to ensure the precise positioning and leak detection of plastic bottles, avoiding false detection and missed detection.

Benefits of technology

The accuracy of leak detection is improved, re-testing is avoided, work efficiency is improved, and it is suitable for mass production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a plastic bottle leak detection machine which comprises a machine box, a conveying belt is arranged on the front side of the machine box, an upper support is arranged on the front side of the machine box, a lower support is arranged on the front side of the machine box, a plurality of pressing air cylinders moving up and down are installed on the upper support, and the bottom of each pressing air cylinder is connected with a leak detection head. A plurality of in-place detectors are arranged on the front side of the machine box, the in-place detectors are arranged below the rear portion of the leak detection head, and a front limiting rod and a rear limiting rod are arranged on the front side and the rear side of the conveying belt respectively. The plastic bottle leak detection machine is stable in operation and stable and accurate in plastic bottle conveying, the in-place detector detects that a bottle opening is accurately in place, the pressing air cylinder pushes the leak detection head to move downwards, the leak detection head presses the bottle opening, leak detection is conducted on the plastic bottle, leak detection positioning of the plastic bottle leak detection machine is accurate, and in the leak detection process, the leak detection efficiency is improved. Therefore, the leak detection accuracy is improved, the need of re-detection is avoided, and the working efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of leak detectors, in particular to a plastic bottle leak detector. Background Art

[0002] During the production of plastic bottles, leak detection is required for blow-molded bottles. Existing leak detectors for plastic bottles of varying sizes are used, but their positioning is inaccurate. This can lead to leaks not being detected or being mistakenly detected, reducing accuracy and sometimes requiring retesting. This impacts efficiency and hinders mass production. Therefore, to address the shortcomings of the existing technology, improvements are necessary. Utility Model Content

[0003] The purpose of the utility model is to overcome the shortcomings and deficiencies in the prior art and to provide a plastic bottle leak detector which has a simple structure and is easy to use.

[0004] The utility model is realized through the following technical solutions:

[0005] A plastic bottle leak detector comprises a chassis, a conveyor belt is provided on the front side of the chassis, an upper bracket is provided on the front side of the chassis, a lower bracket is provided on the front side of the chassis, a plurality of pressing cylinders that move up and down are installed on the upper bracket, a leak detection head is connected to the bottom of the pressing cylinder, a plurality of in-place detectors are provided on the front side of the chassis, the in-place detectors are arranged at the rear and lower side of the leak detection head, and a front limit rod and a rear limit rod are respectively provided on the front and rear sides of the conveyor belt.

[0006] Furthermore, a first cylinder material-blocking cylinder is installed on the left side of the lower bracket.

[0007] Furthermore, a second cylinder material-blocking cylinder is installed on the right side of the lower bracket.

[0008] Furthermore, a detection indicator light corresponding to the leak detection head is provided on the front side of the chassis.

[0009] Furthermore, a first counter is installed on the left side of the lower bracket.

[0010] Furthermore, a second counter is installed on the right side of the lower bracket.

[0011] Furthermore, a support frame is connected between the upper bracket and the lower bracket.

[0012] Furthermore, a mounting seat for mounting the front limit rod is provided on the front side of the lower bracket, the mounting seat sleeve is provided with a support rod extending forward and backward, and the mounting seat is threaded with a locking screw for locking the support rod.

[0013] Compared with the prior art, the present invention is provided with a leak detection head connected to the bottom of the pressing cylinder, and a plurality of in-place detectors are provided on the front side of the chassis, and the in-place detectors are provided at the rear and lower part of the leak detection head. The front and rear sides of the conveyor belt are respectively provided with a front limit rod and a rear limit rod. During operation, the front limit rod and the rear limit rod guide the plastic bottles, and the plastic bottles are conveyed stably and accurately. The in-place detector detects that the bottle mouth is precisely in place, and the pressing cylinder pushes the leak detection head to move downward, and the leak detection head presses the bottle mouth to detect leaks in the plastic bottle, so that the leak detection positioning of the plastic bottle leak detector is accurate. During the leak detection process, there will be no situation where the plastic bottle leak cannot be detected or is mistakenly detected as leaking, thereby improving the accuracy of leak detection, avoiding the need for re-detection, improving work efficiency, and facilitating mass production. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 1 This is a structural diagram of a plastic bottle leak detector according to the present invention.

[0016] In the figure: 1-chassis; 2-conveyor belt; 3-upper bracket; 4-lower bracket; 5-pressing cylinder; 6-leak detection head; 7-in-place detector; 8-front limit rod; 9-rear limit rod; 10-first cylinder material stop cylinder; 11-second cylinder material stop cylinder; 12-detection indicator light; 13-first counter; 14-second counter; 15-support frame; 16-mounting base; 17-support rod. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] like Figure 1The utility model is shown as a plastic bottle leak detector, including a chassis 1, a conveyor belt 2 is provided on the front side of the chassis 1, an upper bracket 3 is provided on the front side of the chassis 1, a lower bracket 4 is provided on the front side of the chassis 1, the upper bracket 3 is installed with a plurality of pressing cylinders 5 that move up and down, the bottom of the pressing cylinder 5 is connected to a leak detection head 6, a plurality of in-place detectors 7 are provided on the front side of the chassis 1, the in-place detector 7 is provided at the rear and lower side of the leak detection head 6, and a front limit rod 8 and a rear limit rod 9 are respectively provided on the front and rear sides of the conveyor belt 2. A leak detection head 6 is connected to the bottom of the pressing cylinder 5, and a plurality of in-place detectors 7 are provided on the front side of the chassis 1. The in-place detector 7 is provided at the rear and lower part of the leak detection head 6. The front and rear sides of the conveyor belt 2 are respectively provided with a front limit rod 8 and a rear limit rod 9. During operation, the front limit rod 8 and the rear limit rod 9 guide the plastic bottles, and the plastic bottles are transported stably and accurately. The in-place detector 7 detects the precise position of the bottle mouth, and the pressing cylinder 5 pushes the leak detection head 6 to move downward. The leak detection head 6 presses the bottle mouth and detects leaks on the plastic bottle, so that the leak detection positioning of the plastic bottle leak detector is accurate. During the leak detection process, there will be no situation where the plastic bottle leak cannot be detected or is mistakenly detected as leaking, thereby improving the accuracy of leak detection, avoiding the need for re-detection, improving work efficiency, and facilitating mass production.

[0019] A first cylinder blocking cylinder 10 is installed on the left side of the lower bracket 4 to block the plastic bottles entering the inspection to avoid affecting the inspection of the plastic bottles. At the same time, the distance between the plastic bottles entering the inspection is reduced to improve the accuracy of the inspection.

[0020] A second cylinder blocking cylinder 11 is installed on the right side of the lower bracket 4 to block the plastic bottles after detection, making it convenient to handle plastic bottles that fail the leak test and control the interval of plastic bottles flowing out, so as to facilitate the next process operation.

[0021] A detection indicator light 12 corresponding to the leak detection head 6 is provided on the front side of the chassis 1 to facilitate observation of plastic bottles that fail the leak detection.

[0022] A first counter 13 is installed on the left side of the lower bracket 4 to facilitate counting the number of plastic bottles entering the inspection.

[0023] A second counter 14 is installed on the right side of the lower bracket 4 to facilitate counting the number of plastic bottles that pass the test.

[0024] A support frame 15 is connected between the upper bracket 3 and the lower bracket 4, so that the upper bracket 3 is installed more stably, the leak detection head 6 presses the plastic bottle more stably, and the detection accuracy is improved.

[0025] The front side of the lower bracket 4 is provided with a mounting seat 16 for mounting the front limit rod 8. The mounting seat 16 is sleeved with a support rod 17 extending forward and backward. The mounting seat 16 is threaded with a locking screw for locking the support rod 17, which facilitates the adjustment of the front and rear position of the front limit rod 8.

[0026] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A plastic bottle leak detector, characterized by: It includes a chassis, a conveyor belt is provided on the front side of the chassis, an upper bracket is provided on the front side of the chassis, a lower bracket is provided on the front side of the chassis, a plurality of clamping cylinders that move up and down are installed on the upper bracket, a leak detection head is connected to the bottom of the clamping cylinder, a plurality of in-place detectors are provided on the front side of the chassis, the in-place detectors are provided at the rear and lower part of the leak detection head, and a front limit rod and a rear limit rod are respectively provided on the front and rear sides of the conveyor belt.

2. The plastic bottle leak detector according to claim 1, characterized in that: A first cylinder material-blocking cylinder is installed on the left side of the lower bracket.

3. The plastic bottle leak detector according to claim 1, characterized in that: A second cylinder material-blocking cylinder is installed on the right side of the lower bracket.

4. The plastic bottle leak detector according to claim 1, characterized in that: A detection indicator light corresponding to the leak detection head is provided on the front side of the chassis.

5. The plastic bottle leak detector according to claim 1, characterized in that: A first counter is installed on the left side of the lower bracket.

6. The plastic bottle leak detector according to claim 1, characterized in that: A second counter is installed on the right side of the lower bracket.

7. The plastic bottle leak detector according to claim 1, characterized in that: A supporting frame is connected between the upper bracket and the lower bracket.

8. The plastic bottle leak detector according to claim 1, characterized in that: A mounting seat for mounting the front limiting rod is provided on the front side of the lower bracket. The mounting seat sleeve is provided with a support rod extending forward and backward. A locking screw for locking the support rod is threadedly connected to the mounting seat.