Internal round opening detection device for injection molding product

Through the automated detection and classification system of the internal circular mouth detection device, the problem of low internal circular mouth detection efficiency of injection molded products is solved, and efficient product detection and classification is achieved.

CN223228989UActive Publication Date: 2025-08-15DALIAN DAISHO-KYOWA PLAMOLD CO LTD
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Patent Information

Application Number
CN202421893098.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-07
Publication Date
2025-08-15
Estimated Expiration
2034-08-07

AI Technical Summary

Technical Problem

The internal round mouth detection efficiency of existing injection molded products is low, manual measurement efficiency is low, and batch classification efficiency is low.

Method used

The internal circular port detection device is adopted, and the cylinder and tracheal system are used for automatic detection and classification, and the inner diameter, push rod and blow pipe are detected through the three-claw block to classify the product.

Benefits of technology

It improves the detection efficiency and batch classification efficiency of the internal circular mouth of the injection molded products, and realizes automatic product sorting.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of injection molding processing, and discloses an internal round opening detection device for injection molding products, which comprises a base, a first-stage air cylinder is fixedly connected to the left side of the top end of the base, an ejector rod is slidably connected to the middle of the right end of the first-stage air cylinder, and an ejector head is fixedly connected to the middle of the right end of the ejector rod. An air pipe seat is fixedly connected to the right middle of the top end of the base, a ventilation pipe is fixedly connected to the top end of the air pipe seat, an air inlet pipe is fixedly connected to the middle of the front end of the outer side of the ventilation pipe, an air distribution pipe is fixedly connected to the inner side of the ventilation pipe, and an air distribution groove is formed in the middle of the inner side of the ventilation pipe. The clamping jaws are opened and closed through the pull rod on the three-jaw clamping block, the size of the inner diameter of an injection molding product is converted according to the displacement amount of the pull rod when the clamping jaws are opened and closed, qualified products fall into the qualified groove under pushing of the push rod, unqualified products are blown into the waste groove through high-pressure gas of the blowing pipe, and the classification efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of injection molding, in particular to an internal round mouth detection device for injection molded products. Background Art

[0002] Injection molding products are products made by heating and melting plastic in an injection molding machine, then injecting it into a mold cavity and then cooling it down until the melt solidifies and then releasing it from the mold. Injection molding products have a wide range of applications, particularly in the textile equipment and automotive manufacturing industries, where injection molding products of various shapes are used as accessories. These include medical devices, stationery, and the various containers, turnover boxes, and shoes that are common in our daily lives. There are also various complex injection-molded structural and functional parts, as well as precision parts for special purposes. Injection molding products are widely used in all areas of the national economy, including transportation, packaging, postal services, communications, construction, home appliances, computers, aerospace, and defense, and have become indispensable means of production and consumer goods.

[0003] Structural components of common circular mouth detection devices: Detection sensor: used to detect the characteristics of the circular mouth, such as diameter, roundness, flatness, etc. Common sensor types include laser sensors, visual sensors, tactile sensors, etc. Support structure: provides stable support so that the detection sensor can accurately detect the circular mouth. The support structure can be a fixed frame, an adjustable bracket or a rotating platform, etc. Moving mechanism: enables the detection sensor to move along the circumference or axial direction of the circular mouth to achieve comprehensive detection. The moving mechanism can be manually operated or automated, such as a motor-driven slide or rotating shaft. Data acquisition and processing system: responsible for collecting and processing the data generated by the detection sensor, usually including a data acquisition card, a computer and corresponding software. The system can analyze and judge the data to obtain the detection results of the circular mouth. Display and control interface: used to display the detection results and operation control, so that the operator can understand the detection situation in real time and make necessary adjustments.

[0004] Conventional measurement methods generally use go / no-go gauges, cone gauges, or vernier calipers for measurement, but all of the above methods require manual measurement. When testing a large number of products, product measurement efficiency is low, and the efficiency of product classification during batch testing is also low. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides an internal round mouth detection device for injection molded products, aiming to improve the problems of low efficiency of manual measurement of internal round mouths of injection molded products and low efficiency of batch-based classification in the prior art.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an internal round mouth detection device for injection molded products, comprising a base, a first-level cylinder is fixedly connected to the left side of the top of the base, a push rod is slidably connected to the middle of the right end of the first-level cylinder, a top head is fixedly connected to the middle of the right end of the push rod, a trachea seat is fixedly connected to the top of the trachea seat, an air pipe is fixedly connected to the middle of the front end of the outer side of the air pipe, an air distribution pipe is fixedly connected to the inner side of the air pipe, and the middle of the inner side of the air pipe is opened. An air distribution groove is provided, and an air distribution groove is opened in the middle part of the outer side of the air distribution pipe. The right end triangle of the air distribution pipe is equidistantly fixedly connected to a high-pressure air pipe, and the right end of the high-pressure air pipe is fixedly connected to a high-pressure nozzle. A secondary air cylinder is fixedly connected to the right middle part of the top of the base, and a telescopic pipe is slidably connected to the middle of the right end of the secondary cylinder. A movable seat is fixedly connected to the right outer side of the telescopic pipe, and a connecting rod is equidistantly connected to the outer triangle of the movable seat. Connecting rods are fixedly connected to connecting rod pins on both sides of the connecting rod, and a top block is fixedly connected to the left side of the top of the connecting rod.

[0007] As a further description of the above technical solution:

[0008] A baffle is fixedly connected to the right side of the top end of the base, and a sleeve seat is fixedly connected to the middle part of the right side of the baffle.

[0009] As a further description of the above technical solution:

[0010] The right end of the sleeve seat is fixedly connected with a top plate.

[0011] As a further description of the above technical solution:

[0012] A fixing seat is fixedly connected to the left middle portion of the inner side of the sleeve seat.

[0013] As a further description of the above technical solution:

[0014] The right end triangle of the top plate is equidistantly provided with blowing holes, and the middle part of the right end of the top plate is provided with a top material hole.

[0015] As a further description of the above technical solution:

[0016] Telescopic grooves are equidistantly formed in a left middle triangle on the outer side of the sleeve seat.

[0017] As a further description of the above technical solution:

[0018] The fixing seat and the middle part of the right end of the gas distribution pipe are provided with through holes.

[0019] As a further description of the above technical solution:

[0020] Connecting rod grooves are equidistantly arranged in triangles on the outer side of the movable seat.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the present invention, the jaws are opened and closed by the pull rod on the three-jaw clamping block. The inner diameter of the injection molded product is calculated based on the displacement of the pull rod when the jaws are opened and closed. This can improve the inspection efficiency when inspecting large quantities of products.

[0023] 2. In the present invention, products are classified by the push rod and blow pipe inside the detection rod. Qualified products fall into the qualified slot under the push of the push rod, and unqualified products are blown into the waste slot by the high-pressure gas of the blow pipe, thereby improving classification efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a three-dimensional diagram of the internal round mouth detection device for injection molded products proposed by the utility model;

[0025] Figure 2 This is a structural schematic diagram of the ejector of the internal round mouth detection device for injection molded products proposed by the present invention;

[0026] Figure 3 This is a schematic diagram of the exploded structure of the measuring device of the internal round opening detection device for injection molded products proposed by the utility model;

[0027] Figure 4 This is a structural schematic diagram of a sleeve seat of an internal round mouth detection device for injection molded products proposed by the present invention;

[0028] Figure 5 This is a schematic diagram of the explosion structure of the high-pressure blower of the internal round mouth detection device for injection molded products proposed by the utility model.

[0029] Legend:

[0030] 1. Base; 2. First-stage cylinder; 3. Second-stage cylinder; 4. Ejector rod; 5. Telescopic tube; 6. Air pipe seat; 7. Inlet pipe; 8. Ventilation pipe; 9. Air distribution pipe; 10. Air distribution groove; 11. Baffle; 12. Fixed seat; 13. Casing seat; 14. Connecting rod; 15. Connecting rod pin; 16. Ejector block; 17. Telescopic groove; 18. Moving seat; 19. High-pressure nozzle; 20. Ejector plate; 21. Ejector head; 22. High-pressure air pipe. DETAILED DESCRIPTION

[0031] 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.

[0032] Reference Figure 1-Figure 2 and Figure 4-Figure 5 The utility model provides an embodiment: an internal round mouth detection device for injection molded products, comprising a base 1, a first-stage cylinder 2 is fixedly connected to the left side of the top of the base 1, a push rod 4 is slidably connected to the middle of the right end of the first-stage cylinder 2, a top head 21 is fixedly connected to the middle of the right end of the push rod 4, a trachea seat 6 is fixedly connected to the top of the trachea seat 6, a vent pipe 8 is fixedly connected to the top of the vent pipe 8, an air inlet pipe 7 is fixedly connected to the middle of the front end of the outer side of the vent pipe 8, an air distribution pipe 9 is fixedly connected to the inner side of the vent pipe 8, an air distribution groove 10 is opened in the middle of the inner side of the vent pipe 8, and an air distribution groove 10 is opened in the middle of the outer side of the vent pipe 9. Groove 10, the right end of the air distribution pipe 9 is fixedly connected with a high-pressure air pipe 22 at equal intervals in a triangle, and the right end of the high-pressure air pipe 22 is fixedly connected with a high-pressure nozzle 19. After the inspection is completed, qualified injection molded products are pushed to the qualified product groove through the first-level cylinder 2, so that the head 21 on the push rod 4 pushes the qualified injection molded products to the qualified product groove. Unqualified products are pumped into the air inlet pipe 7 through the high-pressure air pump, and then transported to the high-pressure nozzle 19 in the high-pressure air pipe 22 on the air distribution pipe 9 through the air distribution groove 10 in the ventilation pipe 8. The defective products are sprayed into the waste tank for recycling through high-pressure gas.

[0033] Reference Figure 1 and Figure 3-Figure 4 , a secondary cylinder 3 is fixedly connected to the right middle part of the top of the base 1, and a telescopic tube 5 is slidably connected to the middle of the right end of the secondary cylinder 3. The right outer side of the telescopic tube 5 is fixedly connected to a moving seat 18, and the outer triangular equidistant rotation of the moving seat 18 is connected to a connecting rod 14. Connecting rod pins 15 are fixedly connected on both sides of the connecting rod 14, and a top block 16 is fixedly connected to the left side of the top of the connecting rod 14. The telescopic tube 5 on the secondary cylinder 3 is driven by air pressure to cause the connecting rod 14 to rotate and expand on the pin hole inside the sleeve seat 13, so that the top block 16 on the connecting rod 14 supports the internal circular opening of the injection molded part. According to the diameter of the circular opening, the displacement of the telescopic tube 5 on the secondary cylinder 3 is converted to classify the qualified conditions of the injection molded products.

[0034] Reference Figure 1-Figure 5 The right side of the top of the base 1 is fixedly connected to a baffle 11, the middle right side of the baffle 11 is fixedly connected to a sleeve seat 13, the right end of the sleeve seat 13 is fixedly connected to a top plate 20, the left middle part of the inner side of the sleeve seat 13 is fixedly connected to a fixed seat 12, the right end triangle of the top plate 20 is equidistantly provided with blowing holes, the middle right end of the top plate 20 is provided with a top hole, the outer left middle triangle of the sleeve seat 13 is equidistantly provided with telescopic slots 17, the middle right end of the fixed seat 12 and the air distribution pipe 9 is provided with through holes, the outer triangle of the movable seat 18 is equidistantly provided with connecting rod grooves. After the injection molded product is completed, the worker puts the injection molded product onto the sleeve seat 13.

[0035] Working principle: After the production of injection molded products is completed, the workers put the molded products into the sleeve seat 13. Then, the telescopic tube 5 on the secondary cylinder 3 is driven by the air pressure to prompt the connecting rod 14 to rotate and expand on the pin hole inside the sleeve seat 13, so that the top block 16 on the connecting rod 14 supports the internal circular opening of the injection molded part. According to the diameter of the circular opening, the displacement of the telescopic tube 5 on the secondary cylinder 3 is converted to the qualified situation of the injection molded products. After the inspection is completed, qualified injection molded products pass through the primary cylinder 2, so that the head 21 on the push rod 4 pushes the qualified injection molded products to the qualified product slot. For unqualified products, the high-pressure gas is pumped into the air inlet pipe 7 by the high-pressure air pump, and then transported to the high-pressure nozzle 19 in the high-pressure air pipe 22 on the air distribution pipe 9 through the air distribution slot 10 in the vent pipe 8. The defective products are sprayed into the waste tank for recycling through the high-pressure gas.

[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. 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. An internal round mouth detection device for injection molded products, comprising a base (1), characterized in that: The left side of the top of the base (1) is fixedly connected to a first-stage cylinder (2), the middle of the right end of the first-stage cylinder (2) is slidably connected to a push rod (4), the middle of the right end of the push rod (4) is fixedly connected to a head (21), the right middle of the top of the base (1) is fixedly connected to a trachea seat (6), the top of the trachea seat (6) is fixedly connected to a vent pipe (8), the middle of the front end of the outer side of the vent pipe (8) is fixedly connected to an air inlet pipe (7), the inner side of the vent pipe (8) is fixedly connected to an air distribution pipe (9), the middle of the inner side of the vent pipe (8) is provided with an air distribution groove (10), the middle of the outer side of the vent pipe (9) is provided with an air distribution groove (10), The right end of the gas distribution pipe (9) is fixedly connected to a high-pressure gas pipe (22) at equal intervals, and the right end of the high-pressure gas pipe (22) is fixedly connected to a high-pressure nozzle (19). The middle part of the top of the base (1) is fixedly connected to a secondary cylinder (3). The middle part of the right end of the secondary cylinder (3) is slidably connected to a telescopic tube (5). The right part of the outer side of the telescopic tube (5) is fixedly connected to a movable seat (18). The outer triangular part of the movable seat (18) is rotatably connected to a connecting rod (14). Both sides of the connecting rod (14) are fixedly connected to connecting rod pins (15). The left side of the top of the connecting rod (14) is fixedly connected to a top block (16).

2. The internal round mouth detection device for injection molded products according to claim 1, characterized in that: A baffle (11) is fixedly connected to the right side of the top end of the base (1), and a sleeve seat (13) is fixedly connected to the middle part of the right side of the baffle (11).

3. The internal round mouth detection device for injection molded products according to claim 2, characterized in that: The right end of the sleeve seat (13) is fixedly connected to a top plate (20).

4. The internal round mouth detection device for injection molded products according to claim 2, characterized in that: A fixing seat (12) is fixedly connected to the left middle portion of the inner side of the sleeve seat (13).

5. The internal round opening detection device for injection molded products according to claim 3, characterized in that: The right end triangle of the top plate (20) is equidistantly provided with blowing holes, and the middle portion of the right end of the top plate (20) is provided with a top material hole.

6. The internal round mouth detection device for injection molded products according to claim 2, characterized in that: Telescopic grooves (17) are equidistantly formed in a left middle triangle on the outer side of the sleeve seat (13).

7. The internal round opening detection device for injection molded products according to claim 4, characterized in that: The fixing seat (12) and the middle portion of the right end of the gas distribution pipe (9) are provided with through holes.

8. The internal round opening detection device for injection molded products according to claim 1, characterized in that: Connecting rod grooves are equidistantly arranged in triangles on the outer side of the movable seat (18).