Press machine for flange machining

By introducing the design of a lower positioning frame, hydraulic rod and side protection frame into the flange processing press, the safety hazards during flange pressure testing are resolved and safe and efficient flange testing is achieved.

CN223346629UActive Publication Date: 2025-09-16XIAN ZHONGPUBANG MECHANICAL & ELECTRICAL EQUIPMENT CO LTD
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Patent Information

Application Number
CN202422373261.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-28
Publication Date
2025-09-16
Estimated Expiration
2034-09-28

AI Technical Summary

Technical Problem

The existing flange lacks side protection during pressure testing, foreign matter can easily fly out, posing a safety hazard and making operation inconvenient.

Method used

A press machine for flange processing was designed. The flange was positioned using a lower positioning frame and positioning extension. The hydraulic rod drove the lower pressing frame to move. The frame contacted the flange for pressure testing. The rod was inserted into the flange hole to remove burrs. At the same time, the cylinder was pushed to drive the side protection frame to rise, improving safety.

Benefits of technology

It effectively prevents foreign objects from flying out during testing, improves test safety, avoids workers from directly operating the flange, and improves the safety and convenience of testing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a press machine for flange machining, which belongs to the technical field of flange machining equipment and comprises a press machine seat, four guide rods are fixedly connected to the top surface of the press machine seat, and a top mounting frame is fixedly connected among the top ends of the four guide rods; and the protection assembly comprises two side mounting frames, two pushing air cylinders, a side protection frame and two connecting frames, and the two side mounting frames are fixedly connected to the outer walls of the two sides of the press machine base correspondingly. According to the press machine for flange machining, a flange is positioned through a lower positioning frame and a positioning extension, a hydraulic rod drives a lower pressing frame to move, a matching frame makes contact with the flange to complete pressure testing, meanwhile, an insertion rod enters a flange hole to test the flange hole, burrs in the flange hole can be removed, and a pushing air cylinder drives a side protection frame to ascend; and the safety during testing is improved, a worker can be prevented from operating the flange during testing, and use is facilitated.
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Description

Technical Field

[0001] The utility model relates to the technical field of flange processing equipment, and more specifically, to a press machine for flange processing. Background Art

[0002] Flanges are components that connect shafts to each other. They are typically used to connect pipe ends, but they can also be used on equipment inlets and outlets to connect two devices, such as reducer flanges. A flange connection is a removable connection consisting of a flange, gasket, and bolts, forming a combined sealing structure. This connection method is easy to use and can withstand high pressures.

[0003] Existing flanges are mainly produced through casting, forging, cutting and rolling. After manufacturing, the flanges need to be tested. During the pressure test, the flanges need to be placed on a press and then the pressure test is performed. There is a lack of protection for the side of the flange. If there is foreign matter on the flange during the test, the foreign matter is easy to fly out under high pressure, causing harm to the staff and hindering production. Utility Model Content

[0004] 1. Technical problems to be solved

[0005] In response to the problems existing in the prior art, the purpose of the present utility model is to provide a press for flange processing, in which the flange is positioned by a lower positioning frame and a positioning extension, the hydraulic rod drives the lower pressing frame to move, and the matching frame and flange contact to complete the pressure test, while the rod is inserted into the flange hole to test the flange hole and remove burrs therein, pushing the cylinder to drive the side protective frame to rise, thereby improving safety during testing and avoiding staff from operating the flange during testing, which is convenient for use.

[0006] 2. Technical solution

[0007] In order to solve the above problems, the present invention adopts the following technical solutions:

[0008] A press for flange processing, comprising: a press base, four guide rods fixedly connected to the top surface of the press base, a top mounting frame fixedly connected between the top ends of the four guide rods, a hydraulic rod installed inside the top mounting frame; and a protective assembly, the protective assembly comprising: two side mounting frames, two pushing cylinders, side protective frames and two connecting frames, the two side mounting frames are respectively fixedly connected to the outer walls on both sides of the press base, the two pushing cylinders are respectively installed on the top surfaces of the corresponding side mounting frames, the side protective frames are slidably sleeved on the outer wall of the press base, and the two connecting frames are respectively extended to the outer walls on both sides of the side protective frames.

[0009] As a preferred solution of the present invention, the protective assembly also includes: two groups of limiting rods, two groups of springs and two side positioning frames, the two groups of limiting rods are respectively fixedly connected to the top surfaces of the corresponding side mounting frames, each group of limiting rods is provided with two, each group of two limiting rods are movable through the corresponding connecting frames, the two side positioning frames are respectively fixedly connected between one end of the corresponding group of limiting rods, the two groups of springs are respectively installed on the top surfaces of the corresponding connecting frames, and each group of springs is provided with two.

[0010] As a preferred solution of the present invention, the top surface of the press base is detachably connected to a lower positioning frame, the top surface of the lower positioning frame is provided with a recessed entrance, and the inner surface of the recessed entrance is extended with a plurality of positioning extensions.

[0011] As a preferred solution of the present invention, a movable frame is movably sleeved between the outer walls of the four guide rods, and the top surface of the movable frame is fixedly connected to the output end of the hydraulic rod.

[0012] As a preferred solution of the present invention, the bottom surface of the movable frame is detachably connected to a lower pressing frame, the bottom surface of the lower pressing frame is provided with a matching groove, and the bottom surface of the matching groove is detachably connected to the matching frame.

[0013] As a preferred solution of the present invention, a plurality of insertion rods are extended from the bottom surface of the matching frame.

[0014] 3. Beneficial effects

[0015] Compared with the prior art, the present invention provides a flange processing press with the following beneficial effects:

[0016] The flange processing press machine positions the flange through the lower positioning frame and positioning extension. The hydraulic rod drives the lower pressing frame to move, and the frame and flange are in contact to complete the pressure test. At the same time, the rod is inserted into the flange hole to test the flange hole and remove burrs. The cylinder is pushed to drive the side protection frame to rise, which improves safety during testing and avoids the staff from operating the flange during testing, making it easier to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of the utility model;

[0018] Figure 2 A bottom-view stereogram of the present utility model;

[0019] Figure 3 It is a partial three-dimensional diagram of the utility model.

[0020] Description of the numbers in the figure:

[0021] 1. Press base; 2. Guide rod; 3. Movable frame; 4. Top mounting frame; 5. Hydraulic rod; 6. Lower pressing frame; 7. Matching frame; 8. Insertion rod; 9. Lower positioning frame; 10. Positioning extension; 11. Side mounting frame; 12. Push cylinder; 13. Side protection frame; 14. Connecting frame; 15. Limiting rod; 16. Spring; 17. Side positioning frame. DETAILED DESCRIPTION

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts are within the scope of protection of the present invention.

[0023] Example:

[0024] See also Figure 1-3 A press for flange processing comprises: a press base 1, four guide rods 2 are fixedly connected to the top surface of the press base 1, a top mounting frame 4 is fixedly connected between the top ends of the four guide rods 2, a hydraulic rod 5 is installed inside the top mounting frame 4; and a protective component, the protective component comprises: two side mounting frames 11, two pushing cylinders 12, a side protective frame 13 and two connecting frames 14, the two side mounting frames 11 are respectively fixedly connected to the outer walls on both sides of the press base 1, the two pushing cylinders 12 are respectively installed on the top surfaces of the corresponding side mounting frames 11, the side protective frames 13 are slidably sleeved on the outer wall of the press base 1, and the two connecting frames 14 are respectively extended to the outer walls on both sides of the side protective frames 13.

[0025] In a specific embodiment of the present invention, a hydraulic rod 5 is installed through a press base 1, a guide stem 2 and a top mounting frame 4. The flange is placed on a lower positioning frame 9 on the pressure base 1 and matched with the flange hole through a positioning extension 10. After positioning is completed, the hydraulic rod 5 is started, and the hydraulic rod 5 drives the movable frame 3 and the lower pressure frame 6 to move. After the lower pressure frame 6 moves, the matching frame 7 will contact the flange to complete the pressure test. At the same time, the rod 8 is inserted into the flange hole to test the flange hole and remove burrs therein. During the test, the cylinder 12 is pushed to drive the side protective frame 13 to rise to avoid debris flying out due to pressure during the pressure test, thereby improving safety during the test and avoiding staff from operating the flange during the test, which is convenient for use.

[0026] Specifically, the protective component also includes: two groups of limiting rods 15, two groups of springs 16 and two side positioning frames 17. The two groups of limiting rods 15 are respectively fixedly connected to the top surface of the corresponding side mounting frame 11, and each group of limiting rods 15 is provided with two. Each group of two limiting rods 15 respectively moves through the corresponding connecting frame 14. The two side positioning frames 17 are respectively fixedly connected between one end of the corresponding group of limiting rods 15. The two groups of springs 16 are respectively installed on the top surface of the corresponding connecting frame 14, and each group of springs 16 is provided with two.

[0027] In this embodiment, the connecting frame 14 is restricted by the limiting rod 15 to prevent it from deflecting, and the spring 16 provides buffering to reduce noise during movement. The side positioning frame 17 and the spring 16 cooperate to achieve this effect.

[0028] Specifically, the top surface of the press base 1 is detachably connected to a lower positioning frame 9 , the top surface of the lower positioning frame 9 is provided with a recessed entrance, and a plurality of positioning extensions 10 are extended from the inner surface of the recessed entrance.

[0029] In this embodiment, the flange is placed by the lower positioning frame 9, and the positioning extension 10 is used to position the flange hole.

[0030] Specifically, a movable frame 3 is movably sleeved between the outer walls of the four guide rods 2 , and a top surface of the movable frame 3 is fixedly connected to the output end of the hydraulic rod 5 .

[0031] In this embodiment, the lower pressure frame 6 is installed through the movable frame 3, and the pressure test effect of the hydraulic rod 5 is improved at the same time.

[0032] Specifically, the bottom surface of the movable frame 3 is detachably connected to the pressing frame 6 , the bottom surface of the pressing frame 6 is provided with a matching groove, and the bottom surface of the matching groove is detachably connected to the matching frame 7 .

[0033] In this embodiment, the matching frame 7 is installed through the lower pressure frame 6, and the matching frame 7 cooperates with the flange to achieve the pressure test effect.

[0034] Specifically, a plurality of insertion rods 8 are extended from the bottom surface of the matching frame 7 .

[0035] In this embodiment, by fitting the inserted rod 8 into the flange hole, the inner wall of the flange hole is processed while completing the positioning.

[0036] Working principle: Install the hydraulic rod 5 through the press base 1, the guide stem 2 and the top mounting frame 4. Place the flange on the lower positioning frame 9 on the pressure base 1, and cooperate with the flange hole through the positioning extension 10. After positioning, start the hydraulic rod 5. The hydraulic rod 5 drives the movable frame 3 and the lower pressure frame 6 to move. After the lower pressure frame 6 moves, the matching frame 7 will contact the flange to complete the pressure test. At the same time, the rod 8 is inserted into the flange hole to test the flange hole and remove burrs. During the test, push the cylinder 12 to drive the side protective frame 13 to rise to avoid pressure-induced debris flying out during the pressure test, thereby improving safety during the test and avoiding staff from operating the flange during the test, which is convenient for use.

[0037] The control method of the present invention is to manually start and stop the switch. The wiring diagram of the power element and the provision of power supply are common knowledge in the field. Moreover, the present invention is mainly used to protect mechanical devices. Therefore, the control method and wiring arrangement are not explained in detail in the present invention.

[0038] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and improved ideas of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A flange processing press, characterized in that: include: A press base (1), wherein four guide rods (2) are fixedly connected to the top surface of the press base (1), a top mounting frame (4) is fixedly connected between the top ends of the four guide rods (2), and a hydraulic rod (5) is installed inside the top mounting frame (4); and A protection component, the protection component comprises: two side mounting frames (11), two pushing cylinders (12), a side protection frame (13) and two connecting frames (14), the two side mounting frames (11) are respectively fixedly connected to the outer walls of the two sides of the press base (1), the two pushing cylinders (12) are respectively installed on the top surface of the corresponding side mounting frames (11), the side protection frame (13) is slidably sleeved on the outer wall of the press base (1), and the two connecting frames (14) are respectively extended to the outer walls of the two sides of the side protection frame (13).

2. A flange processing press according to claim 1, characterized in that: The protection component further includes: two groups of limiting rods (15), two groups of springs (16) and two side positioning frames (17), the two groups of limiting rods (15) are respectively fixedly connected to the top surface of the corresponding side mounting frame (11), each group of limiting rods (15) is provided with two, each group of two limiting rods (15) are movable through the corresponding connecting frame (14), the two side positioning frames (17) are respectively fixedly connected between one end of the corresponding group of limiting rods (15), the two groups of springs (16) are respectively installed on the top surface of the corresponding connecting frame (14), and each group of springs (16) is provided with two.

3. A flange processing press according to claim 2, characterized in that: The top surface of the press base (1) is detachably connected to a lower positioning frame (9), the top surface of the lower positioning frame (9) is provided with a recessed entrance, and the inner surface of the recessed entrance is provided with a plurality of positioning extensions (10).

4. A flange processing press according to claim 3, characterized in that: A movable frame (3) is movably sleeved between the outer walls of the four guide rods (2), and the top surface of the movable frame (3) is fixedly connected to the output end of the hydraulic rod (5).

5. A flange processing press according to claim 4, characterized in that: The bottom surface of the movable frame (3) is detachably connected to a lower pressing frame (6), a matching groove is provided on the bottom surface of the lower pressing frame (6), and the bottom surface of the matching groove is detachably connected to a matching frame (7).

6. A flange processing press according to claim 5, characterized in that: A plurality of insertion rods (8) are extended from the bottom surface of the matching frame (7).