An arc edge fitting type clamping jig for flange machining
By using a dot matrix flexible clamp and protective enclosure design, the problems of small flange clamping contact area and inconvenient chip collection are solved, achieving efficient clamping and automatic chip collection, thus improving processing efficiency.
Patent Information
- Application Number
- CN202522079896.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-27
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-09-27
AI Technical Summary
Existing clamping fixtures for flange processing have a small contact area during clamping, resulting in poor fixing effect. Furthermore, the debris generated during processing is difficult to collect effectively, increasing the labor intensity of workers and affecting processing efficiency.
A dot-matrix flexible clamp is used to fix and hold the flange to its outer or inner circumferential edge, and the automatic collection of debris is achieved through the design of protective plates and chip removal slots.
It improves the clamping effect of the flange, increases the contact area, avoids debris splashing, realizes automatic debris collection, reduces the frequency of manual cleaning, and improves processing efficiency.
Smart Images
Figure CN224674368U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of auxiliary equipment for flange processing, specifically a curved edge fitting clamping fixture for flange processing. Background Technology
[0002] A flange is a disc-shaped part that is most commonly used in piping engineering. Flanges are always used in pairs, and clamping fixtures are needed to fix the flange during processing.
[0003] A search revealed that patent publication number CN218747275U discloses a jig for flange processing. Its key technical features include: a base with a column fixedly installed in the center; multiple sets of clamping assemblies arranged in a ring around the column on the base surface; the clamping assemblies for simultaneously pressing the inner and outer walls of the flange; and a control mechanism connected to the clamping assemblies inside the base. The control mechanism includes a displacement assembly and a transmission assembly. The displacement assembly is located in a ring within the base and connected to the clamping assemblies, while the transmission assembly is located inside the column and connected to the displacement assembly.
[0004] Existing clamping fixtures for flange processing have a small contact area when clamping the flange's outer or inner circumferential wall, resulting in poor clamping effectiveness. Furthermore, the debris from flange processing accumulates on the equipment, requiring frequent cleaning by operators. This not only increases the workload of operators but also affects the efficiency of flange processing. Therefore, a curved edge fitting clamping fixture for flange processing is designed. Utility Model Content
[0005] In view of the defects or deficiencies of the arc-edge fitting clamping fixture used for flange processing, the purpose of this utility model is to provide an arc-edge fitting clamping fixture for flange processing. It adopts a dot matrix flexible clamp to fix and clamp the outer or inner circumferential wall of the flange in an arc-edge fitting manner, which improves the clamping effect of the flange and can also automatically collect the debris falling off during flange processing.
[0006] To achieve the above-mentioned objectives, the present invention adopts the following technical solution:
[0007] This utility model provides a flange processing arc-edge fitting clamping fixture, including a mounting frame. A protective plate and a cover are respectively installed at the top edge and center of the mounting frame. Four clamping components are arranged in a ring array between the inner circumferential wall of the protective plate and the outer circumferential wall of the cover. A driving component is provided at the center of the bottom inner side of the mounting frame for driving the four clamping components to fix and clamp the outer circumferential wall or the inner circumferential wall of the flange.
[0008] The clamping assembly is provided with a movable plate, and an installation plate is installed on the top of the movable plate. Dot matrix flexible clamps and support plates are installed on both outer walls of the installation plate, and the dot matrix flexible clamps are located above the support plates.
[0009] The mounting bracket is provided with a chip discharge slot for discharging chips that fall during flange processing and a chip collection slot for collecting the chips discharged from the chip discharge slot.
[0010] Preferably, the outer wall of the movable plate is provided with a threaded hole and a through hole, and the threaded hole is located above the through hole. A first rotating shaft is installed in the threaded hole. One end of the first rotating shaft is installed in a bearing on the outer wall of the protective enclosure. The other end of the first rotating shaft passes through the bearing on the outer wall of the enclosure and extends to the inner side of the enclosure to connect with a first bevel gear. An external thread is provided on the outer wall of the first rotating shaft. The external thread on the outer wall of the first rotating shaft and the threaded hole on the movable plate are connected by a threaded engagement.
[0011] Preferably, a guide rod is installed in the through hole, and the outer circumferential wall of the guide rod is clearance-fitted with the wall of the through hole. One end of the guide rod is installed on the inner circumferential wall of the protective enclosure, and the other end of the guide rod is installed on the outer circumferential wall of the cover.
[0012] Preferably, the drive assembly is provided with a geared motor, which is installed at the center of the bottom inner side of the mounting frame. The output shaft of the geared motor is connected to the second rotating shaft through a coupling. The top end of the second rotating shaft passes through the bearing at the center of the top end of the mounting frame and extends to the inner side of the cover to connect with the second bevel gear.
[0013] The second bevel gear meshes with the first bevel gear.
[0014] Preferably, the top of the mounting frame is provided with four partitions arranged in a ring array. One end of the partition is installed on the inner circumferential wall of the protective enclosure, and the other end of the partition is installed on the outer circumferential wall of the enclosure. A first guide block and a second guide block are provided between each pair of adjacent partitions.
[0015] Preferably, the bottom end of the first guide block is disposed at the top end of the mounting frame, and one side outer wall of the first guide block is disposed on the circumferential inner wall of the protective enclosure. The bottom end of the second guide block is disposed at the top end of the mounting frame, and one side outer wall of the second guide block is disposed on the circumferential outer wall of the cover.
[0016] Preferably, there are four chip removal slots, which are arranged in a ring array at the top of the mounting frame and located between adjacent partitions. There are also four chip collection troughs, which are located directly below the four chip removal slots and are arranged in a ring array at the bottom inner side of the mounting frame. A safety door is provided on the protective enclosure.
[0017] Compared with existing technologies, one or more of the above technical solutions have the following beneficial effects:
[0018] 1. In this utility model, through a series of coordinated structural arrangements, when the operator clamps the flange, the operator starts the reduction motor on the drive assembly. The reduction motor drives the second rotating shaft and the second bevel gear to rotate forward or reverse, causing the moving plates on the four clamping assemblies to move linearly in a certain direction. After the moving plates move to a certain position, the operator places the flange on the support plates on the four clamping assemblies for support. The operator then starts the reduction motor on the drive assembly again, and the moving plates move linearly in a certain direction, causing the dot matrix flexible clamp to clamp the inner or outer circumferential wall of the flange. Compared with the existing technology, this utility model uses a dot matrix flexible clamp to clamp the outer or inner circumferential wall of the flange in an arc-edge fit manner, increasing the contact area when clamping the flange, thereby improving the clamping effect of the flange.
[0019] 2. In this utility model, through a series of coordinated structural arrangements, when the processing equipment processes the fixed and clamped flange and generates certain debris, the protective enclosure can block the debris generated during flange processing within a certain range, preventing a large amount of debris from splashing into the external environment. When the debris generated during flange processing falls towards the inside of the protective enclosure, the debris will be discharged from the chip discharge slot and fall into the chip collection slot for collection. Thus, this utility model can automatically collect the debris falling from flange processing, avoiding frequent cleaning operations by personnel. Attached Figure Description
[0020] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of this utility model. The illustrative embodiments of this utility model and their descriptions are used to explain this utility model and do not constitute an improper limitation of this utility model.
[0021] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model.
[0022] Figure 2 This is a cross-sectional view of the entire utility model.
[0023] Figure 3 This is a schematic diagram of the clamping component of this utility model.
[0024] Figure 4 This is a schematic diagram of the structure of the drive component of this utility model.
[0025] Figure 5 This is a sectional view of the mounting bracket of this utility model.
[0026] In the picture:
[0027] 100. Mounting frame; 110. Protective enclosure; 120. Partition; 130. Cover; 140. Chip removal slot; 150. First guide block; 160. Chip collection trough; 170. Second guide block;
[0028] 200. Clamping assembly; 210. Moving plate; 211. Mounting plate; 212. Support plate; 213. Threaded hole; 214. Through hole; 220. Dot matrix flexible clamp; 230. First bevel gear; 240. Guide rod; 250. First rotating shaft;
[0029] 300, drive assembly; 310, second bevel gear; 320, second rotating shaft; 330, geared motor. Detailed Implementation
[0030] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0031] It should be noted that the following detailed description is exemplary and intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains.
[0032] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of exemplary embodiments according to the invention. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.
[0033] like Figure 1-5As shown, a flange processing arc-edge fitting clamping fixture includes a mounting frame 100. A protective enclosure 110 and a cover 130 are respectively installed at the top edge and center of the mounting frame 100. The protective enclosure 110 can block the debris generated during flange processing within a certain range, preventing a large amount of debris from splashing into the external environment. The cover 130 can effectively prevent debris from falling between the second bevel gear 310 and the first bevel gear 230. Four clamping components 200 arranged in a ring array are provided between the circumferential inner wall of the protective enclosure 110 and the circumferential outer wall of the cover 130. A drive component 300 is provided at the center of the bottom inner side of the mounting frame 100 for driving the four clamping components 200 to fix and clamp the circumferential outer wall or circumferential inner wall of the flange.
[0034] The clamping assembly 200 is provided with a movable plate 210, and a mounting plate 211 is installed on the top of the movable plate 210. Dot matrix flexible clamps 220 and support plates 212 are installed on both outer walls of the mounting plate 211. The dot matrix flexible clamps 220 are located above the support plates 212. When the dot matrix flexible clamps 220 clamp the inner or outer circumferential wall of the flange, they fix and clamp the outer or inner circumferential wall of the flange in an arc-edge fit manner, which increases the contact area when clamping the flange, thereby improving the clamping effect of the flange.
[0035] The mounting bracket 100 is provided with a chip discharge slot 140 for discharging chips falling from the flange processing and a chip collection slot 160 for collecting the chips discharged from the chip discharge slot 140.
[0036] The outer wall of the movable plate 210 is provided with a threaded hole 213 and a through hole 214, and the threaded hole 213 is located above the through hole 214. A first rotating shaft 250 is installed in the threaded hole 213. One end of the first rotating shaft 250 is installed in a bearing on the outer wall of the protective enclosure 110. The other end of the first rotating shaft 250 passes through the bearing on the outer wall of the cover 130 and extends to the inner side of the cover 130 to connect with the first bevel gear 230. The outer wall of the first rotating shaft 250 is provided with an external thread, and the external thread on the outer wall of the first rotating shaft 250 and the threaded hole 213 on the movable plate 210 are threadedly engaged.
[0037] A guide rod 240 is installed inside the through hole 214, and the outer circumferential wall of the guide rod 240 is clearance-fitted with the wall of the through hole 214. Because the outer circumferential wall of the guide rod 240 is clearance-fitted with the wall of the through hole 214, it can limit and guide the movement of the movable plate 210. One end of the guide rod 240 is installed on the inner circumferential wall of the protective enclosure 110, and the other end of the guide rod 240 is installed on the outer circumferential wall of the cover 130.
[0038] A geared motor 330 is provided on the drive assembly 300. The geared motor 330 is installed at the center of the bottom inner side of the mounting bracket 100. The output shaft of the geared motor 330 is connected to the second rotating shaft 320 through a coupling. The top end of the second rotating shaft 320 passes through the bearing at the center of the top end of the mounting bracket 100 and extends to the inner side of the cover 130 to connect with the second bevel gear 310.
[0039] The second bevel gear 310 meshes with the first bevel gear 230. When the reduction motor 330 starts, it drives the second rotating shaft 320 to rotate forward or backward. When the second rotating shaft 320 rotates forward or backward, it drives the second bevel gear 310 to rotate forward or backward. When the second bevel gear 310 rotates forward or backward, it drives the first bevel gear 230 to rotate forward or backward. When the first bevel gear 230 rotates forward or backward, it drives the first rotating shaft 250 to rotate forward or backward. When the first rotating shaft 250 rotates forward or backward, it causes the moving plate 210 to move linearly along the outer wall of the first rotating shaft 250.
[0040] The top of the mounting bracket 100 is provided with four partitions 120 arranged in a ring array. One end of the partition 120 is installed on the inner circumferential wall of the protective enclosure 110, and the other end of the partition 120 is installed on the outer circumferential wall of the cover 130. A first guide block 150 and a second guide block 170 are arranged between each pair of adjacent partitions 120. When the first guide block 150 and the second guide block 170 fall onto the first guide block 150 and the second guide block 170, the first guide block 150 and the second guide block 170 can guide the debris to the chip discharge slot 140 for discharge.
[0041] The bottom end of the first guide block 150 is set at the top of the mounting frame 100, and one side of the outer wall of the first guide block 150 is set on the circumferential inner wall of the protective enclosure 110. The bottom end of the second guide block 170 is set at the top of the mounting frame 100, and one side of the outer wall of the second guide block 170 is set on the circumferential outer wall of the cover 130.
[0042] There are four chip removal slots 140, which are arranged in a ring array at the top of the mounting frame 100 and located between adjacent partitions 120. There are four chip collection troughs 160, which are located directly below the four chip removal slots 140 and are arranged in a ring array at the bottom inner side of the mounting frame 100. A safety door is provided on the protective enclosure 110.
[0043] Working principle: When in use, an external power supply is connected. When the operator clamps the flange, the operator starts the geared motor 330 on the drive assembly 300. The geared motor 330 drives the second rotating shaft 320 and the second bevel gear 310 to rotate forward or backward, causing the moving plates 210 on the four clamping assemblies 200 to move linearly in a certain direction. After the moving plates 210 are moved to a certain position, the operator places the flange on the support plates 212 on the four clamping assemblies 200 for support. The operator then starts the geared motor 330 on the drive assembly 300 again. The linear movement of the moving plates 210 in a certain direction drives the dot matrix flexible clamps 220 to clamp the inner or outer circumferential wall of the flange. Compared with existing technologies… This utility model employs a dot-matrix flexible clamp 220 to fix and hold the outer or inner circumferential wall of the flange in an arc-edge fit manner, increasing the contact area when clamping the flange and thus improving the clamping effect. When the processing equipment processes the fixed and clamped flange and generates certain debris, the protective enclosure 110 can block the debris generated by the flange processing within a certain range, preventing a large amount of debris from splashing into the external environment. When the debris generated by the flange processing falls to the inside of the protective enclosure 110, the debris will be discharged from the chip discharge slot 140 and fall into the chip collection slot 160 for collection. Thus, this utility model can automatically collect the debris falling from the flange processing, avoiding frequent cleaning operations by the staff.
[0044] The above description is merely a preferred embodiment of this utility model and is not intended to limit the invention. For those skilled in the art, various modifications and variations can be made to this invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this invention should be included within the protection scope of this invention.
Claims
1. A flange processing arc-edge fitting clamping fixture, comprising a mounting bracket (100), characterized in that: A protective enclosure (110) and a cover (130) are respectively installed at the top edge and center of the mounting bracket (100). Four clamping components (200) arranged in a ring array are provided between the inner circumferential wall of the protective enclosure (110) and the outer circumferential wall of the cover (130). A driving component (300) for driving the four clamping components (200) to fix and clamp the outer circumferential wall or inner circumferential wall of the flange is provided at the center of the bottom inner side of the mounting bracket (100). The clamping assembly (200) is provided with a movable plate (210), and an mounting plate (211) is installed on the top of the movable plate (210). Dot matrix flexible clamps (220) and support plates (212) are installed on both outer walls of the mounting plate (211), and the dot matrix flexible clamps (220) are located above the support plates (212). The mounting bracket (100) is provided with a chip discharge slot (140) for discharging chips falling from the flange processing and a chip collection slot (160) for collecting the chips discharged from the chip discharge slot (140).
2. The arc-edge fitting clamping fixture for flange processing according to claim 1, characterized in that: The outer wall of the movable plate (210) is provided with a threaded hole (213) and a through hole (214), and the threaded hole (213) is located above the through hole (214). A first rotating shaft (250) is installed in the threaded hole (213). One end of the first rotating shaft (250) is installed in the bearing on the outer wall of the protective enclosure (110). The other end of the first rotating shaft (250) passes through the bearing on the outer wall of the cover (130) and extends to the inner side of the cover (130) to connect with the first bevel gear (230). The outer wall of the first rotating shaft (250) is provided with an external thread. The external thread on the outer wall of the first rotating shaft (250) and the threaded hole (213) on the movable plate (210) are connected by a threaded engagement.
3. The arc-edge fitting clamping fixture for flange processing according to claim 2, characterized in that: A guide rod (240) is installed inside the through hole (214), and the outer circumferential wall of the guide rod (240) and the hole wall of the through hole (214) are in clearance fit. One end of the guide rod (240) is installed on the inner circumferential wall of the protective enclosure (110), and the other end of the guide rod (240) is installed on the outer circumferential wall of the cover (130).
4. The arc-edge fitting clamping fixture for flange processing according to claim 2, characterized in that: The drive assembly (300) is provided with a geared motor (330), which is installed at the center of the bottom inner side of the mounting bracket (100). The output shaft of the geared motor (330) is connected to the second rotating shaft (320) through a coupling. The top end of the second rotating shaft (320) passes through the bearing at the center of the top end of the mounting bracket (100) and extends to the inner side of the cover (130) to connect with the second bevel gear (310). The second bevel gear (310) meshes with the first bevel gear (230).
5. The arc-edge fitting clamping fixture for flange processing according to claim 1, characterized in that: The top of the mounting bracket (100) is provided with four partitions (120) arranged in a ring array. One end of the partition (120) is installed on the inner circumferential wall of the protective enclosure (110), and the other end of the partition (120) is installed on the outer circumferential wall of the cover (130). A first guide block (150) and a second guide block (170) are provided between each pair of adjacent partitions (120).
6. The arc-edge fitting clamping fixture for flange processing according to claim 5, characterized in that: The bottom end of the first guide block (150) is set at the top of the mounting frame (100), and one side outer wall of the first guide block (150) is set on the circumferential inner wall of the protective enclosure (110). The bottom end of the second guide block (170) is set at the top of the mounting frame (100), and one side outer wall of the second guide block (170) is set on the circumferential outer wall of the cover (130).
7. The arc-edge fitting clamping fixture for flange processing according to claim 1, characterized in that: There are four chip removal slots (140), which are arranged in a ring array at the top of the mounting frame (100) and located between adjacent partitions (120). There are four chip collection troughs (160), which are located directly below the four chip removal slots (140) and are arranged in a ring array at the bottom inner side of the mounting frame (100). A safety door is provided on the protective enclosure (110).