Flange production hole expanding device

CN224764359UActive Publication Date: 2026-09-18HEBEI PENGYI PIPELINE EQUIP MFG CO LTD
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Patent Information

Application Number
CN202521989301.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-16
Publication Date
2026-09-18
Estimated Expiration
2035-09-16

AI Technical Summary

Technical Problem

[0005]针对现有技术的不足,本实用新型提供了一种法兰生产用扩孔设备,以解决背景技术中提出的清理的氧化皮和灰尘容易对工作环境造成污染的问题

Benefits of technology

[0037] Compared with the prior art, this utility model provides a flange reaming device, which has the following features:

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Abstract

This utility model discloses a flange enlarging device, including an enlarging machine body, a base platform, an air supply cylinder, jet heads, a lifting and cleaning assembly, a collection box, a filter screen, an adsorption screen, and an adsorption air head. The base platform is fixedly connected to the bottom end of the enlarging machine body. The air supply cylinder is detachably connected to one side of the base platform. Multiple jet heads are arranged in an array and lifted and installed on one side of the enlarging machine body. The lifting and cleaning assembly is installed between the air supply cylinder and the multiple jet heads. The collection box is detachably connected to the base platform, and the base platform has a groove matching the collection box. The filter screen is detachably connected inside the collection box, and the adsorption screen is detachably installed below the filter screen. Multiple support rods are fixedly connected to the inner bottom wall of the collection box, and multiple support grooves matching the support rods are opened at the bottom end of the adsorption screen. This flange enlarging device reduces the risk of oxide scale and dust pollution to the working environment during cleaning.
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Description

Technical Field

[0001] This utility model relates to the field of hole expansion equipment technology, specifically to a hole expansion equipment for flange production. Background Technology

[0002] A flange is a hollow disc-shaped mechanical part used to connect and disconnect shafts, pipes, and cylinders and heads. It enables convenient connection between pipes and pipes, and between pipes and equipment, and facilitates installation, disassembly and maintenance. In the flange production process, it is necessary to enlarge the bore diameter on existing flanges to accommodate pipes or equipment with larger diameters.

[0003] Currently, flange enlargement is achieved by using a ring rolling mill to roll the flange workpiece into a ring shape through pressure and rolling action, thereby increasing the bore diameter. However, impurities such as oxide scale or dust on the flange surface are easily crushed during enlargement, affecting the enlargement accuracy. Although multiple nozzles can be used to blow away and clean the oxide scale and dust on the flange surface, the blown-away oxide scale and dust spread to the surrounding area, polluting the working environment and affecting the health of workers. Therefore, the environmental friendliness of the enlargement process is poor. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a flange expansion device to solve the problem mentioned in the background technology that the oxide scale and dust cleaned can easily pollute the working environment.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a flange production reaming device, comprising a reaming machine body, a base platform, an air supply cylinder, an air jet head, a lifting and cleaning assembly, a collection box, a filter screen, an adsorption screen, and an adsorption air head;

[0008] The base platform is fixedly connected to the bottom end of the reaming machine body;

[0009] The air supply cylinder is detachably connected to one side of the base platform;

[0010] The jet head is configured as a plurality of jet heads, and the plurality of jet head arrays are elliptically mounted on one side of the hole enlarging machine body;

[0011] The lifting and cleaning assembly is installed between the air supply cylinder and the plurality of jet heads;

[0012] The collection box is detachably connected to the base platform, and the base platform has a groove that matches the collection box;

[0013] The filter screen is detachably connected to the collection box;

[0014] The adsorption mesh is detachably mounted on the underside of the filter mesh.

[0015] The adsorption head is configured as a plurality of such heads, which are arranged in an array linearly distributed on the lower side of the adsorption mesh plate.

[0016] Furthermore, the lifting and cleaning assembly includes:

[0017] An air pump is installed at the top of the air supply cylinder, and the input end of the air pump is connected to the air supply cylinder.

[0018] An air supply pipe, which is connected to the output end of the air pump;

[0019] An electric push rod, which is detachably connected to one side of the reaming machine body;

[0020] A lifting plate, which is fixedly connected to the output end of the electric push rod;

[0021] The cleaning pipe is fixedly connected to the lifting plate by two lifting rings, and the cleaning pipe is connected to the air supply pipe and multiple jet heads.

[0022] Furthermore, a fixing assembly is provided between the hole-reaming machine body and the electric push rod, the fixing assembly including:

[0023] A fixing frame is detachably connected to the reaming machine body;

[0024] A fixing plate is fixedly connected to the bottom end of the fixing frame, and two fixing screws are threadedly connected between the fixing plate and the hole enlarging machine body;

[0025] A fixed box is fixedly connected to one side of the fixed frame, and the electric push rod is installed inside the fixed box, with the output end of the electric push rod being connected through the fixed box.

[0026] Furthermore, a mounting assembly is detachably provided between the air supply cylinder and the base platform, the mounting assembly including:

[0027] The mounting platform is detachably connected to one side of the base platform, and the mounting platform is provided with a mounting groove that matches the air supply cylinder.

[0028] Mounting bracket, which is fixedly connected to one side of the mounting platform;

[0029] The mounting screws are provided in pairs and are symmetrically threaded between the mounting bracket and the base.

[0030] Furthermore, adsorption components are connected between the plurality of adsorption heads, and the adsorption components include:

[0031] An adsorption fan is detachably installed on one side of the base platform, and the output end of the adsorption fan is connected to the base platform and the collection box.

[0032] A suction pipe, which connects the adsorption fan and the plurality of adsorption heads.

[0033] Furthermore, two positioning frames are symmetrically connected to the top of the collection box. Each of the two positioning frames is provided with a positioning plane that matches the top of the base platform, and a handle ring is fixedly connected to the positioning frame.

[0034] Furthermore, the top of the filter screen is arrayed with multiple card holders, each of which has a card surface that matches the side wall of the collection box.

[0035] Furthermore, multiple support rods are fixedly connected to the inner bottom wall of the collection box, and multiple support grooves matching the support rods are opened at the bottom end of the adsorption mesh plate.

[0036] (III) Beneficial Effects

[0037] Compared with the prior art, this utility model provides a flange reaming device, which has the following features:

[0038] Beneficial effects:

[0039] 1. In this utility model, the base platform facilitates stable support for the reaming machine body and the air supply cylinder, so as to facilitate stable reaming of the flange. At the same time, the cooperation between the lifting and cleaning components and the air supply cylinder facilitates the lifting and lowering of multiple air jets, so as to facilitate the adjustment of the air jet height, thereby facilitating all-round air blowing cleaning of the flange surface.

[0040] 2. In this utility model, the combination of adsorption components and multiple adsorption nozzles facilitates the adsorption of cleaned oxide scale and dust. At the same time, the collection box, filter screen, and adsorption screen facilitate the collection and filtration of oxide scale and dust, thereby reducing the pollution of the working environment caused by cleaned oxide scale and dust. Attached Figure Description

[0041] Figure 1 This is a schematic diagram of the overall structure of this application;

[0042] Figure 2 For this application Figure 1 A magnified schematic diagram of the local structure at point A;

[0043] Figure 3This is a schematic diagram showing the structure of the air supply cylinder, fixing frame, and fixing box in this application.

[0044] Figure 4 This is a cross-sectional structural diagram showing the cooperation of the base, collection box, and suction pipe in this application.

[0045] In the diagram: 1. Hole enlarging machine body; 2. Base platform; 3. Air supply cylinder; 4. Air jet head; 5. Collection box; 6. Filter screen; 7. Adsorption screen; 8. Adsorption fan head; 9. Air pump; 10. Air supply pipe; 11. Electric push rod; 12. Lifting plate; 13. Cleaning pipe; 14. Lifting ring; 15. Fixing frame; 16. Fixing plate; 17. Fixing screw; 18. Fixing box; 19. Mounting platform; 20. Mounting frame; 21. Mounting screw; 22. Adsorption fan; 23. Suction pipe; 24. Positioning frame; 25. Handle ring; 26. Clip holder; 27. Support rod. Detailed Implementation

[0046] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0047] Please see Figures 1 to 4A flange expansion device includes an expansion machine body 1, a base platform 2, an air supply cylinder 3, an air jet head 4, a lifting and cleaning assembly, a collection box 5, a filter screen 6, an adsorption screen 7, and an adsorption air head 8. The base platform 2 is fixedly connected to the bottom end of the expansion machine body 1. The expansion machine body 1 uses pressure and rolling action to roll the flange workpiece into a ring shape, thereby expanding the hole diameter. The machine body includes a frame, a moving mechanism, a rotating assembly, and a linkage mechanism. A turntable with a fixed assembly is movably arranged inside the frame for loading the flange to be expanded. The moving mechanism is located at the top of the frame, and the expansion assembly is located at its bottom, which can drive the expansion assembly to move from the hole wall of the flange to the outside to expand the hole. The rotating assembly is located at the bottom of the turntable and is used to drive the turntable and the flange to perform circumferential motion. The linkage mechanism is used to convert the output force of the moving mechanism to power the rotating assembly, so that the expansion roller makes uniform contact with the hole wall during the expansion process, improving the expansion accuracy and processing quality. The expansion machine body 1 is a mature design available on the market. The working principle and usage process of the equipment are all mature technologies disclosed in this field, and will not be described in detail here. The air supply cylinder 3 is detachably connected to one side of the base platform 2. Multiple air jets 4 are set, and multiple air jets 4 are arrayed and lifted and installed on one side of the hole-expanding machine body 1. The lifting and cleaning component is installed between the air supply cylinder 3 and multiple air jets 4. The collection box 5 is detachably connected to the base platform 2. The base platform 2 has a groove that matches the collection box 5, which can quickly place and remove the collection box 5. The filter screen 6 is detachably connected to the inside of the collection box 5. The adsorption screen 7 is detachably set on the lower side of the filter screen 6. Multiple support rods 27 are fixedly connected to the inner bottom wall of the collection box 5. Multiple support grooves that match the support rods 27 are opened at the bottom end of the adsorption screen 7, which can quickly install and remove the adsorption screen 7 in the collection box 5, so that the adsorption screen 7 can be quickly cleaned. Multiple adsorption air heads 8 are set, and multiple adsorption air heads 8 are linearly distributed in an array on the lower side of the adsorption screen 7.

[0048] refer to Figure 1 as well as Figure 3 The lifting and cleaning assembly includes an air pump 9, an air supply pipe 10, an electric push rod 11, a lifting plate 12, and a cleaning pipe 13. The air pump 9 is installed at the top of the air supply cylinder 3, and the input end of the air pump 9 is connected to the air supply cylinder 3. The air supply pipe 10 is connected to the output end of the air pump 9. The electric push rod 11 is detachably connected to one side of the hole-expanding machine body 1. The lifting plate 12 is fixedly connected to the output end of the electric push rod 11. Two lifting rings 14 are fixedly connected between the cleaning pipe 13 and the lifting plate 12. The cleaning pipe 13 is connected to the air supply pipe 10 and multiple jet nozzles 4. When the cleaning pipe 13 and the jet nozzles 4 are raised and lowered, the air supply pipe 10 will expand and contract accordingly.

[0049] When it is necessary to clean the oxide scale and dust during flange enlargement, the air pump 9 is started, so that the gas enters the multiple air nozzles 4 through the air supply pipe 10 and the cleaning pipe 13. This allows the multiple air nozzles 4 to clean the oxide scale and dust. At the same time, the electric push rod 11 is started, so that the lifting plate 12 drives the two lifting rings 14 to rise and fall. This allows the cleaning pipe 13 to drive the multiple air nozzles 4 to rise and fall, thereby adjusting the air cleaning height and facilitating the all-round cleaning of oxide scale and dust on the flange surface.

[0050] refer to Figure 1 as well as Figure 2 A fixing assembly is provided between the reaming machine body 1 and the electric push rod 11. The fixing assembly includes a fixing frame 15, a fixing plate 16 and a fixing box 18. The fixing frame 15 is detachably connected to the reaming machine body 1. The fixing plate 16 is fixedly connected to the bottom end of the fixing frame 15, and there are two fixing screws 17 threadedly connected between the fixing plate 16 and the reaming machine body 1. The fixing box 18 is fixedly connected to one side of the fixing frame 15, and the electric push rod 11 is installed in the fixing box 18. The output end of the electric push rod 11 is connected through the fixing box 18.

[0051] By tightening two fixing screws 17 between the fixing plate 16 and the reaming machine body 1, the fixing frame 15 can be stably installed on the reaming machine body 1, thereby allowing the electric push rod 11 to be stably installed through the fixing box 18.

[0052] refer to Figure 3 An installation assembly is detachably provided between the air supply cylinder 3 and the base platform 2. The installation assembly includes a mounting platform 19, a mounting bracket 20, and mounting screws 21. The mounting platform 19 is detachably connected to one side of the base platform 2, and the mounting platform 19 has a mounting groove that matches the air supply cylinder 3. The mounting bracket 20 is fixedly connected to one side of the mounting platform 19. There are two mounting screws 21, and the two mounting screws 21 are symmetrically threaded between the mounting bracket 20 and the base platform 2.

[0053] After the air supply cylinder 3 is installed in the mounting slot, the two mounting screws 21 are tightened between the mounting bracket 20 and the base 2 to stably install the mounting bracket 20 on the base 2, thereby stably installing the air supply cylinder 3 through the mounting platform 19.

[0054] refer to Figure 4 Multiple adsorption nozzles 8 are connected by an adsorption assembly, which includes an adsorption fan 22 and a suction pipe 23. The adsorption fan 22 is detachably installed on one side of the base 2, and the output end of the adsorption fan 22 is connected to the base 2 and the collection box 5. The suction pipe 23 is connected between the adsorption fan 22 and the multiple adsorption nozzles 8.

[0055] When the adsorption fan 22 is started, the suction pipe 23 and multiple adsorption nozzles 8 adsorb the cleaned oxide scale and dust, which can be adsorbed into the collection box 5, reducing the pollution of the working environment caused by oxide scale and dust.

[0056] refer to Figure 4 The top of the collection box 5 is symmetrically connected to two positioning frames 24. Each positioning frame 24 is provided with a positioning plane that matches the top of the base 2, and a handle ring 25 is fixedly connected to the positioning frame 24.

[0057] Applying force to the two handle rings 25 causes the two positioning frames 24 to move the collection box 5, which can quickly place the collection box 5 in the groove. At the same time, the two positioning frames 24 will be stably placed on the base platform 2 through the two positioning planes, which increases the stability of the collection box 5 on the base platform 2.

[0058] refer to Figure 4 The top of the filter screen 6 is arrayed with multiple card holders 26, and each of the multiple card holders 26 is provided with a card surface that matches the side wall of the collection box 5.

[0059] When the filter screen 6 is placed in the collection box 5, multiple clips 26 will be stably placed on the collection box 5 through multiple clips, which increases the stability of the filter screen 6 installed in the collection box 5.

[0060] In summary, when the flange enlarging equipment is used to enlarge the flange, the electric push rod 11 is activated, causing the lifting plate 12 and two lifting rings 14 to drive the cleaning pipe 13 and multiple air nozzles 4 to rise and fall. At the same time, the air pump 9 is activated, causing the multiple air nozzles 4 to perform all-round air cleaning on the flange surface. Simultaneously, the adsorption fan 22 is activated, causing the multiple adsorption fans 8 to adsorb the cleaned oxide scale and dust. After the oxide scale and dust are adsorbed into the collection box 5, the filter screen 6 and adsorption screen 7 can filter and adsorb the oxide scale and dust, thereby reducing the pollution of the surrounding working environment caused by oxide scale and dust.

[0061] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A flange reaming device, comprising a reaming machine body (1), characterized in that, Also includes: The base platform (2) is fixedly connected to the bottom end of the reaming machine body (1); An air supply cylinder (3) is detachably connected to one side of the base platform (2); A jet head (4), wherein multiple jet heads (4) are configured, and multiple jet heads (4) are arranged in an array and lifted and installed on one side of the hole enlarging machine body (1); A lifting and cleaning assembly is installed between the air supply cylinder (3) and the plurality of jet heads (4); Collection box (5), the collection box (5) is detachably connected to the base (2), and the base (2) has a groove that matches the collection box (5); A filter screen (6) is detachably connected inside the collection box (5); Adsorption mesh plate (7), which is detachably disposed on the lower side of the filter mesh plate (6); Adsorption head (8), wherein multiple adsorption heads (8) are arranged in an array linearly distributed on the lower side of the adsorption mesh plate (7).

2. The hole expanding apparatus for flange production according to claim 1, wherein The lifting and cleaning assembly includes: An air pump (9) is installed at the top of the air supply cylinder (3), and the input end of the air pump (9) is connected to the air supply cylinder (3); An air supply pipe (10) is connected to the output end of the air pump (9); An electric push rod (11) is detachably connected to one side of the reaming machine body (1); Lifting plate (12), which is fixedly connected to the output end of the electric push rod (11); The cleaning pipe (13) is fixedly connected to the lifting plate (12) by two lifting rings (14), and the cleaning pipe (13) is connected to the air supply pipe (10) and multiple jet heads (4).

3. The hole expanding apparatus for flange production according to claim 2, wherein A fixing assembly is provided between the hole-reaming machine body (1) and the electric push rod (11), the fixing assembly including: A fixing frame (15) is detachably connected to the reaming machine body (1); A fixing plate (16) is fixedly connected to the bottom end of the fixing frame (15), and two fixing screws (17) are threadedly connected between the fixing plate (16) and the hole enlarging machine body (1). A fixed box (18) is fixedly connected to one side of the fixed frame (15), and the electric push rod (11) is installed inside the fixed box (18), with the output end of the electric push rod (11) being connected through the fixed box (18).

4. The flange reaming equipment according to claim 3, characterized in that, A mounting assembly is detachably provided between the air supply cylinder (3) and the base (2), the mounting assembly including: Mounting platform (19), which is detachably connected to one side of the base (2), and the mounting platform (19) is provided with a mounting groove that matches the air supply cylinder (3); Mounting bracket (20), which is fixedly connected to one side of the mounting platform (19); Mounting screws (21), wherein two mounting screws (21) are provided, and the two mounting screws (21) are symmetrically threaded between the mounting bracket (20) and the base (2).

5. The hole expanding apparatus for flange production according to claim 4, wherein Multiple adsorption nozzles (8) are connected by adsorption components, the adsorption components including: An adsorption fan (22) is detachably installed on one side of the base (2), and the output end of the adsorption fan (22) is connected to the base (2) and the collection box (5); The suction pipe (23) is connected between the adsorption fan (22) and the plurality of adsorption nozzles (8).

6. The hole expanding apparatus for flange production according to claim 5, wherein The top of the collection box (5) is symmetrically connected to two positioning frames (24). Each of the two positioning frames (24) is provided with a positioning plane that matches the top of the base (2), and a handle ring (25) is fixedly connected to the positioning frame (24).

7. The hole expanding apparatus for flange production according to claim 6, wherein The top of the filter plate (6) is provided with a plurality of card holders (26), and each of the plurality of card holders (26) is provided with a card surface that matches the side wall of the collection box (5).

8. The hole expanding apparatus for flange production according to claim 7, wherein Multiple support rods (27) are fixedly connected to the inner bottom wall of the collection box (5), and multiple support grooves matching the support rods (27) are opened at the bottom end of the adsorption mesh plate (7).