O-shaped sealing ring forming device

By combining forming and cutting structures in the O-ring forming device, the problem of residual material on the inner and outer rings is solved, enabling efficient production of high-sealing O-rings and simplifying the production process.

CN223701436UActive Publication Date: 2025-12-23SHANGHAI PUZHAO RUBBER & PLASTIC TECH CO LTD
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Patent Information

Application Number
CN202520145718.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2025-12-23
Estimated Expiration
2035-01-22

AI Technical Summary

Technical Problem

In the current O-ring forming equipment, material residue or burrs are easily left on the inner and outer rings during the extrusion forming process, which affects the sealing performance. In addition, the large number of rings formed requires individual repair, which wastes time.

Method used

Design an O-ring forming device that combines a forming structure with a positioning and cutting structure. While the device is being formed by extrusion through a pressing structure, the positioning and cutting structure is used to cut the inner and outer rings, including the coordinated cutting of the outer ring cutter and the inner ring cutter.

Benefits of technology

This technology enables the direct cutting of the inner and outer rings during extrusion molding, avoiding residual material, improving sealing, increasing production efficiency, reducing manual demolding steps, and enhancing overall production productivity.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sealing ring production, and discloses an O-shaped sealing ring forming device which comprises a forming structure and a pressing structure. The forming structures are combined together through the pressing structure, and the O-shaped sealing ring is extruded and formed; the positioning and cutting structure is arranged on the forming structure and is used for cutting and trimming the O-shaped sealing rings; and the positioning and cutting structure is driven by the pressing and cutting structure. Compared with the prior art, the device has the advantages that the inner ring and the outer ring of the O-shaped sealing ring can be directly cut while the O-shaped sealing ring is subjected to extrusion forming, the situation that residual materials or burrs easily exist on the inner ring and the outer ring of the O-shaped sealing ring, and the sealing performance of the O-shaped sealing ring is affected is prevented, use is more convenient, and the production efficiency is improved. The sealing performance of the produced O-shaped sealing rings is better, all the O-shaped sealing rings directly fall off after being cut, manual demolding is not needed, use is more convenient, and production efficiency is higher.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sealing ring production technical field, specifically point to a kind of O type sealing ring forming device. BACKGROUND

[0002] Sealing ring is a kind of rubber product for preventing liquid, gas or other medium leakage, widely used in various mechanical equipment and system. Among them, O type sealing ring is mainly used for static and dynamic sealing, suitable for hydraulic and pneumatic system pipe joint, valve and pump in fluid conveying equipment, rotation or reciprocating motion in industrial equipment, etc.

[0003] The existing O type sealing ring forming device on market is mostly only through extrusion and mould, to make O type sealing ring, but in this process, the inner ring and outer ring of O type sealing ring are prone to residual material or burr, which affects the sealing property of O type sealing ring, and O type sealing ring is formed in large quantity at a time, and each is repaired, which is very time-consuming. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem to overcome above technical difficulties, provide a kind of O type sealing ring forming device, it is directly cut to the inner ring and outer ring of O type sealing ring while extruding and forming O type sealing ring.

[0005] To solve the above technical problems, the technical scheme provided by the utility model is:

[0006] A kind of O type sealing ring forming device, comprising:

[0007] Forming structure and pressing structure;Forming structure is merged together by pressing structure, and O type sealing ring is extruded and formed;

[0008] Positioning cutting structure, it is set on forming structure, and each O type sealing ring is cut and trimmed;

[0009] Pressure cutting structure, positioning cutting structure is driven by pressure cutting structure.

[0010] As an improvement, the pressing structure includes a lower pressing block, an upper pressing block, a bracket one and a pressing cylinder;The lower pressing block is fixed at the bottom of the bracket one, and the upper pressing block is arranged above the lower pressing block, and is slidably arranged on the sliding groove formed on the front side of the bracket one, and the upper pressing block moves in the up-down direction along the sliding groove, the pressing cylinder is arranged upside down, and the cylinder end is fixed on the bracket one, and the telescopic end is connected and fixed with the top of the upper pressing block.

[0011] As improvement, the forming structure comprises upper pressing grooves and lower pressing grooves; the lower pressing grooves are annular groove body structures matched with lower halves of the O-shaped sealing rings, are formed on the lower pressing block, and a plurality of the upper pressing grooves are uniformly arranged on the top surface of the lower pressing block; the upper pressing grooves are annular groove body structures matched with upper halves of the O-shaped sealing rings, are formed on the upper pressing block, and a plurality of the upper pressing grooves are arranged corresponding to the lower pressing grooves.

[0012] As improvement, the positioning and cutting structure comprises outer ring cutters, inner ring cutters and transmission rods; upper cutter grooves are formed on the upper pressing block corresponding to the upper pressing grooves, and lower cutter grooves are formed on the lower pressing block corresponding to the upper cutter grooves; the outer ring cutters and the inner ring cutters are respectively slidably arranged in the upper cutter grooves, the outer ring cutters are arranged outside the upper pressing grooves, and the inner ring cutters are arranged inside the upper pressing grooves; the upper pressing block is formed with a lifting groove in the left-right direction, and the outer ring cutters and the inner ring cutters are respectively formed with insertion grooves on the left and right sides; the transmission rods are transversely arranged and are inserted and fitted into the insertion grooves of the outer ring cutters and the inner ring cutters, and then are slidably arranged in the lifting groove and are slid up and down along the lifting groove.

[0013] As improvement, the pressing and cutting structure comprises a fixed plate, a pressing plate, springs, a cutting cylinder and a support two; the support two is fixed on the top of the upper pressing block; the fixed plate is arranged on the left and right sides of the upper pressing block and is formed with insertion grooves corresponding to the transmission rods; the transmission rods are respectively inserted and fixed into the insertion grooves of the two fixed plates; the pressing plate is connected and fixed to the top of the two fixed plates at the two ends and is arranged above the upper pressing block; the springs are arranged between the pressing plate and the upper pressing block; the cutting cylinder is arranged upside down, the cylinder end is fixed on the support two, and the telescopic end is connected and fixed to the top of the pressing plate.

[0014] The utility model has the advantages that compared with the prior art, the utility model has the advantages that:

[0015] 1、The utility model discloses can be extruded to form while being pressed to the O-shaped sealing ring, directly cutting the inner ring and the outer ring of O-shaped sealing ring, preventing the inner ring and the outer ring of O-shaped sealing ring to exist residual material or burr easily, the sealing property of O-shaped sealing ring is influenced, use more convenient, and the production O-shaped sealing ring sealing property is better.

[0016] 2、The utility model discloses cut each O-shaped sealing ring directly falls off, does not need manual demolding, use more convenient, production efficiency is higher. DRAWINGS

[0017] Figure 1 It is the structure schematic of the utility model Figure 1 .

[0018] Figure 2 It is the structure schematic of the utility model Figure 2 .

[0019] Figure 3 It is the section schematic of the utility model.

[0020] Figure 4 Part structure section schematic diagram of the utility model.

[0021] Figure 5 Structure schematic diagram of the utility model positioning cutting structure.

[0022] As shown in the figure: 1, the lower pressing block;2, the upper pressing block;3, the lower pressing groove;4, the upper pressing groove;5, the lower knife groove;6, the upper knife groove;7, the outer ring cutter;8, the inner ring cutter;9, the lifting groove;10, the transmission rod;11, the fixed plate;12, the pressing plate;13, the spring;14, the cutting cylinder;15, the support two;16, the pressing cylinder;17, the support one;18, the sliding groove. DETAILED DESCRIPTION

[0023] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "transverse", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more. In addition, the term "includes" and any variation thereof is intended to cover non-exclusive inclusion.

[0024] The utility model will be further described in detail below in combination with the drawings.

[0025] An O-shaped sealing ring forming device, as shown in Figure 1 、 Figure 2 , specifically comprising:

[0026] The pressing structure is as shown in Figure 3As shown, it comprises a lower pressing block 1, an upper pressing block 2, a support 17 and a pressing cylinder 16; the lower pressing block 1 is fixed on the front side of the bottom of the support 17, the upper pressing block 2 is arranged right above the lower pressing block 1, and a sliding block is formed on the rear side wall, and the sliding block is slidingly arranged in a sliding groove 18 formed on the front side of the support 17, so that the upper pressing block 2 moves up and down along the sliding groove 18, the pressing cylinder 16 is arranged upside down, and the cylinder end is fixed on the support 17, and the telescopic end is fixed together with the top of the upper pressing block 2; a lower pressing groove 3 is formed on the top surface of the lower pressing block 1, which is an annular groove structure matched with the lower half of the O-shaped sealing ring, and a plurality of the lower pressing grooves 3 are uniformly arranged on the top surface of the lower pressing block 1; a lower knife groove 5 is formed on the outer side and the inner side of the lower pressing groove 3; an upper pressing groove 4 is an annular groove structure matched with the upper half of the O-shaped sealing ring, which is formed on the upper pressing block 2 and corresponds to the lower pressing groove 3, and an upper knife groove 6 is formed corresponding to the lower knife groove 5 (each upper knife groove 6 and lower knife groove 5 are composed of two concentric annular grooves).

[0027] The positioning and cutting structure is as shown in Figure 5 It comprises an outer ring cutter 7, an inner ring cutter 8 and a transmission rod 10; the outer ring cutter 7 and the inner ring cutter 8 are slidingly arranged in the upper knife groove 6, and the outer ring cutter 7 is arranged on the outer side of the upper pressing groove 4, and the inner ring cutter 8 is arranged on the inner side of the upper pressing groove 4; the upper pressing block 2 is formed with a lifting groove 9 in the left-right direction (as shown in Figure 4 The left and right sides of the outer ring cutter 7 and the inner ring cutter 8 are respectively formed with a slot, the transmission rod 10 is transversely arranged and is inserted and matched in the slots of the outer ring cutter 7 and the inner ring cutter 8, and is slidingly arranged in the lifting groove 9.

[0028] The pressing and cutting structure comprises a fixed plate 11, a pressing plate 12, a spring 13, a cutting cylinder 14 and a support 15; the support 15 is fixed on the top of the upper pressing block 2, the fixed plate 11 is arranged on the left and right sides of the upper pressing block 2, and a slot is formed in the fixed plate 11 corresponding to each transmission rod 10, and the two ends of each transmission rod 10 are respectively inserted and fixed in the corresponding slots of the two fixed plates 11; the pressing plate 12 is fixed at the top of the two fixed plates 11, arranged above the upper pressing block 2, and connected with the upper pressing block 2 through the spring 13; a plurality of springs 13 are arranged between the pressing plate 12 and the upper pressing block 2; the cutting cylinder 14 is arranged upside down, and the cylinder end is fixed on the support 15, and the telescopic end is fixed together with the top of the pressing plate 12.

[0029] In the specific implementation of the embodiment:

[0030] The plate is placed on the lower pressing block 1, the pressing cylinder 16 is controlled to extend, the upper pressing block 2 moves downwards along the sliding groove 18 until it is in contact with the lower pressing block 1, at this time, the plate is extruded between the upper pressing block 2 and the lower pressing block 1, and is extruded into a plurality of O-shaped sealing rings under the action of the upper pressing groove 4 and the lower pressing groove 3, the cutting cylinder 14 is started, and each outer ring cutter 7 and inner ring cutter 8 respectively move downwards into the lower cutter groove 5, and cut the outer ring and the inner ring of the O-shaped sealing ring, so that the O-shaped sealing ring is demoulded and the edge removal operation is completed, finally, the pressing cylinder 16 is retracted, and the upper pressing block 2 is lifted, and then the O-shaped sealing ring and the waste are classified, collected and stored.

[0031] The above describes the utility model and its implementation mode, and this description is not restrictive, and the drawings shown are only one of the implementation modes of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structure modes and embodiments are not designed creatively, and all should belong to the protection scope of the utility model.

Claims

1. An O-ring forming apparatus, characterized by comprising: The utility model relates to a kind of O-shaped sealing ring cutting device, including: Molding structure and pressing structure; Molding structure is merged together by pressing structure, and O-shaped sealing ring is extruded molding; Positioning cutting structure is set on molding structure, and each O-shaped sealing ring is cut edge; Pressure cutting structure is driven by positioning cutting structure.

2. The O-ring forming device of claim 1, wherein: The pressing structure includes lower pressing block (1), upper pressing block (2), support one (17) and pressing cylinder (16);Lower pressing block (1) is fixed in the bottom of support one (17), and upper pressing block (2) is correspondingly arranged on the top of lower pressing block (1), and is slidably arranged on the slide groove (18) formed on the front side of support one (17), after upper pressing block (2) is slidably arranged on the slide groove (18), upper pressing block (2) moves in the up-down direction along the slide groove (18), and pressing cylinder (16) is arranged upside down, and the cylinder end is fixed on support one (17), and the telescopic end is connected and fixed with the top of upper pressing block (2).

3. The O-ring forming device of claim 2, wherein: The molding structure includes upper pressing groove (4) and lower pressing groove (3);Lower pressing groove (3) is annular groove body structure suitable for the lower half of O-shaped sealing ring, which is formed on lower pressing block (1), and a plurality of lower pressing grooves (3) are uniformly arranged on the top surface of lower pressing block (1), and upper pressing groove (4) is annular groove body structure suitable for the upper half of O-shaped sealing ring, which is formed on upper pressing block (2), and is correspondingly arranged with lower pressing groove (3).

4. The O-ring forming device of claim 3, wherein: The positioning cutting structure includes outer ring cutter (7), inner ring cutter (8) and transmission rod (10);Upper cutter groove (6) is formed on upper pressing block (2) corresponding to upper pressing groove (4), and lower cutter groove (5) is formed on lower pressing block (1) corresponding to upper cutter groove (6), outer ring cutter (7) and inner ring cutter (8) are slidably arranged in upper cutter groove (6) respectively, and outer ring cutter (7) is arranged on the outside of upper pressing groove (4), and inner ring cutter (8) is arranged on the inside of upper pressing groove (4), upper pressing block (2) is formed with lifting groove (9) in the left-right direction, and outer ring cutter (7) and inner ring cutter (8) are respectively formed with insertion slot on the left and right sides, transmission rod (10) is transversely arranged, and is inserted and matched in the insertion slot of each outer ring cutter (7) and inner ring cutter (8), and is slidably arranged in lifting groove (9).

5. The O-ring forming device of claim 4, wherein: The pressure cutting structure includes fixed plate (11), pressing plate (12), cutting cylinder (14) and support two (15);Support two (15) is fixed on the top of upper pressing block (2), fixed plate (11) is arranged on the left and right sides of upper pressing block (2), and has insertion slot corresponding to each transmission rod (10), and the both ends of each transmission rod (10) are respectively inserted and fixed in the corresponding insertion slot of the both sides fixed plate (11), the both ends of pressing plate (12) are respectively connected and fixed with the top of the both sides fixed plate (11), cutting cylinder (14) is arranged upside down, and the cylinder end is fixed on support two (15), and the telescopic end is connected and fixed with the top of pressing plate (12).

6. The O-ring forming device of claim 5, wherein: Spring (13) is arranged between pressing plate (12) and upper pressing block (2).