Three-way threaded pipe machining jig
By designing a fixture for machining tee threaded pipes and utilizing the rotational positioning structure of the fixture body and the die body, the problem of low machining accuracy and efficiency of tee threaded pipes was solved, and high-precision and high-efficiency machining of tee threaded pipes was achieved.
Patent Information
- Application Number
- CN202520607670.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-01
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-04-01
AI Technical Summary
When machining existing tee threaded pipes, it is difficult to guarantee accuracy and the production efficiency is low. It requires multiple clamping and disassembly to adjust the end position during machining.
Design a fixture for machining tee threaded pipes, including a fixture body and a rotatable fixture sub-body. By restricting the rotation of the fixture sub-body relative to the fixture body through a positioning structure, the fixture can be used to machine high-gloss bevels, precision threads and fine holes at any end of the tee threaded pipe in one machining position.
It achieves high-precision and high-efficiency machining of tee threaded pipes, and can complete the machining of all three ports with only one clamping, simplifying the operation process and improving machining accuracy and efficiency.
Smart Images

Figure CN223917280U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of machining technology, and more specifically, to a jig for machining tee threaded pipes. Background Technology
[0002] A tee threaded pipe is a pipe fitting with three ports, each with a threaded end. It is mainly used for the diversion, merging, or direction change of fluids (gas or liquid).
[0003] Currently, when processing tee threaded pipes, the processing equipment typically only has one processing position for processing a single pipe end. This requires multiple clamping and unclamping operations to adjust the different ends of the tee threaded pipe to the processing position, thereby completing the machining of the high-gloss mating bevels, precision threads, and precision holes at the three ports. This processing method makes it difficult to guarantee processing accuracy and results in low production efficiency. Utility Model Content
[0004] The problem solved by this invention is how to process tee threaded pipes with high precision and high efficiency.
[0005] To address the aforementioned problems, this utility model provides a fixture for processing tee threaded pipes, comprising a fixture body, on which a fixture sub-body is rotatably mounted. The fixture sub-body is used to clamp and fix the tee threaded pipe. The fixture body is also provided with a positioning structure. The positioning structure is configured to restrict the rotation of the fixture sub-body relative to the fixture body when any end of the tee threaded pipe rotates to the processing position with the fixture sub-body.
[0006] Optionally, the fixture mother body includes a fixture body with a hole, and the fixture daughter body is rotatably disposed in the hole, and the three ends of the three-way threaded pipe can be extended out of the hole by rotating the fixture daughter body.
[0007] Optionally, the clamp body is disc-shaped, the hole penetrates at least one end face of the clamp body along its axial direction, a notch is provided on the circumferential side wall of the clamp body, the notch communicates with the hole, a pressure block is provided at the notch, and the clamp sub-body is provided between the pressure block and the inner wall of the hole.
[0008] Optionally, the notch is right-angled, one wall of the notch is perpendicular to the axis of the clamp body, the other wall is parallel to the axis of the clamp body, and the other wall has an opening that communicates with the hole.
[0009] Optionally, a first rotating shaft is rotatably mounted on the pressure block, and a second rotating shaft is rotatably mounted on the fixture body. The axes of the first rotating shaft and the second rotating shaft are collinear and arranged radially along the fixture body. One end of both the first rotating shaft and the second rotating shaft is connected to the fixture sub-body.
[0010] Optionally, the positioning structure includes a positioning block, a first positioning groove, and a second positioning groove. The first positioning groove is disposed on the pressure block. One end of the first rotating shaft passes through the pressure block, and a plurality of second positioning grooves are disposed at the end. The second positioning groove is configured to align with the first positioning groove by rotating the fixture sub-body. The positioning block is used to simultaneously embed into the first positioning groove and the second positioning groove to restrict the rotation of the fixture sub-body relative to the fixture mother body.
[0011] Optionally, the clamp body includes a clamping base and a clamping block. The clamping base is U-shaped, and the clamping block is detachably disposed in the groove of the clamping base. The clamping block and the clamping base are used together to clamp and fix the tee threaded pipe.
[0012] Optionally, the clamping block includes a locking block and a fixing block, both of which are wedge-shaped blocks, and the tee threaded pipe is clamped by the contact and relative movement of the wedge-shaped inclined surfaces of the locking block and the fixing block.
[0013] Optionally, the locking block is fixedly connected to the clamping seat by fastening bolts. The locking block is provided with a guide protrusion, which is slidably adapted to the guide groove on the clamping seat, and the guide protrusion extends along the tightening direction of the fastening bolts.
[0014] Optionally, the clamping body is a split structure, including an upper base in the shape of an L-shaped block and a lower base in the shape of a straight block; one section of the lower base is provided with a profile adapted to a three-way threaded pipe.
[0015] The advantages of this utility model fixture for processing tee threaded pipes are: the fixture body clamps and fixes the tee threaded pipe, allowing the tee threaded pipe to be processed to rotate on the fixture body along with the fixture body. In use, the fixture body is fixed on the processing equipment. By rotating the fixture body, any end of the tee threaded pipe can be placed in the processing position of the processing equipment. Then, the fixture body and the fixture body are fixed by the positioning structure, restricting the rotation of the fixture body relative to the fixture body. This allows for the processing of high-gloss bevels, precision threads, and fine holes at the end of the tee threaded pipe in the processing position.
[0016] Compared with the prior art, the T-shaped threaded pipe processing fixture of this utility model can be used to process a single pipe end with only one processing position on the processing equipment. It does not require multiple clamping and unclamping of the T-shaped threaded pipe. It is only necessary to open the positioning structure that restricts the relative rotation between the fixture body and the fixture part. By rotating the fixture part, the T-shaped threaded pipe can be rotated, and the different ends of the T-shaped threaded pipe can be adjusted to the processing position. Then, the high-gloss mating bevel, precision thread and fine hole of the three ports can be processed respectively. The operation is simple and the positioning of the T-shaped threaded pipe only requires one clamping. The processing accuracy and efficiency are both high. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the overall structure of the three-way threaded pipe processing fixture according to an embodiment of the present utility model.
[0018] Figure 2 This is a schematic diagram showing the disassembled structure of the three-way threaded pipe processing fixture according to an embodiment of this utility model.
[0019] Figure 3 This is a schematic diagram of the pressure block structure of the three-way threaded pipe processing fixture according to an embodiment of this utility model.
[0020] Figure 4 This is a schematic diagram of the upper base structure of the three-way threaded pipe processing fixture according to an embodiment of this utility model.
[0021] Figure 5 This is a schematic diagram of the locking block structure of the three-way threaded pipe processing fixture according to an embodiment of the present utility model.
[0022] Figure 6 This is a schematic diagram of the fixing block structure of the three-way threaded pipe processing fixture according to an embodiment of this utility model.
[0023] Figure 7 This is a schematic diagram of the lower body structure of the three-way threaded pipe processing fixture according to an embodiment of this utility model.
[0024] Figure 8 This is a schematic diagram of the main fixture structure of the three-way threaded pipe processing jig according to an embodiment of the present utility model.
[0025] Explanation of reference numerals in the attached figures:
[0026] 11. Fixture body; 12. Hole; 13. Notch; 14. Pressure block; 141. First positioning groove; 15. First rotating shaft; 151. Second positioning groove; 16. Second rotating shaft; 17. Bearing; 21. Clamping seat; 211. Upper base; 212. Lower base; 22. Clamping block; 221. Locking block; 222. Fixing block; 223. Guide protrusion; 224. Fastening bolt; 3. Positioning block; 4. T-shaped threaded pipe. Detailed Implementation
[0027] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Although some embodiments of this utility model are shown in the drawings, it should be understood that this utility model can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of this utility model. It should be understood that the drawings and embodiments of this utility model are for illustrative purposes only and are not intended to limit the scope of protection of this utility model.
[0028] The term "comprising" and its variations as used herein are open-ended, meaning "including but not limited to"; the term "based on" means "at least partially based on"; the term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments"; and the term "optionally" means "optional embodiments". Definitions of other terms will be given in the following description. It should be noted that the concepts of "first," "second," etc., mentioned in this utility model are only used to distinguish different devices, modules, or units, and are not used to limit the order of functions performed by these devices, modules, or units or their interdependencies.
[0029] It should be noted that the terms "one" and "multiple" used in this utility model are illustrative rather than restrictive. Those skilled in the art should understand that, unless otherwise expressly indicated in the context, they should be understood as "one or more".
[0030] like Figure 1-8 As shown in the figure, the present invention provides a three-way threaded pipe processing fixture, including a fixture mother body, a fixture daughter body rotatably disposed on the fixture mother body, the fixture daughter body being used to clamp and fix the three-way threaded pipe 4, and a positioning structure being disposed on the fixture mother body; the positioning structure is configured to restrict the rotation of the fixture daughter body relative to the fixture mother body when any end of the three-way threaded pipe 4 rotates to the processing position with the fixture daughter body.
[0031] In this embodiment, the fixture sub-body clamps and fixes the tee threaded pipe 4, allowing the tee threaded pipe 4 to be processed to rotate on the fixture body along with the fixture sub-body. During use, the fixture body is fixed to the processing equipment. By rotating the fixture sub-body, either end of the tee threaded pipe 4 can be positioned in the processing position on the processing equipment. Then, by using a positioning structure to restrict the rotation of the fixture sub-body relative to the fixture body, high-gloss bevel machining, precision threading, and precision hole machining can be performed on the end of the tee threaded pipe 4 at the processing position. Of course, this restriction on the rotation of the fixture sub-body by the positioning structure can be removed, allowing for repeated use.
[0032] Compared with the prior art, the T-shaped threaded pipe processing fixture of this utility model can be used to process a single pipe end with only one processing position on the processing equipment. It does not require multiple clamping and unclamping of the T-shaped threaded pipe 4. It is only necessary to open the positioning structure that restricts the relative rotation between the fixture body and the fixture part, and rotate the fixture part to rotate the T-shaped threaded pipe 4. This allows the different ends of the T-shaped threaded pipe 4 to be adjusted to the processing position, thereby completing the processing of the high-gloss mating bevel, precision thread and fine hole of the three ports respectively. The operation is simple and the positioning of the T-shaped threaded pipe 4 only requires one clamping. The processing accuracy and efficiency are both high.
[0033] Optionally, such as Figure 1 and Figure 8 As shown, the fixture mother body includes a fixture body 11, and a hole 12 is provided on the fixture body 11. The fixture sub-body is rotatably disposed in the hole 12, and the three ports of the three-way threaded pipe 4 can be extended out of the hole 12 by rotating the fixture sub-body.
[0034] In this optional embodiment, the fixture body 11 is provided with a hole 12 for accommodating the fixture sub-body and the three-way threaded pipe 4. By rotating the fixture sub-body, the three ends of the three-way threaded pipe 4 can be driven to extend out of the hole 12 in sequence for processing, while the pipe end that is not currently being processed will return to the hole 12 for protection. The overall structure is ingeniously designed.
[0035] Optionally, such as Figure 1 and Figure 8 As shown, the clamp body 11 is disc-shaped, and the hole 12 penetrates at least one end face of the clamp body 11 in the axial direction. A notch 13 is provided on the circumferential side wall of the clamp body 11, and the notch 13 communicates with the hole 12. A pressure block 14 is provided at the notch 13, and a clamp sub-body is provided between the pressure block 14 and the inner wall of the hole 12.
[0036] In this optional embodiment, the clamp body 11 is disc-shaped with no sharp edges, which can reduce the local stress caused by edge effects during clamping. A notch 13 is provided on the clamp body 11, and a pressure block 14 is provided on the notch 13. The clamp sub-body is installed by rotating the pressure block 14 together with the inner wall of the hole 12. Since the pressure block 14 and the clamp body 11 are separately provided, it is convenient to install the clamp sub-body into the hole 12.
[0037] Optionally, such as Figure 8 As shown, the notch 13 is right-angled, one wall of the notch 13 is perpendicular to the axis of the clamp body 11, the other wall is parallel to the axis of the clamp body 11, and the other wall has an opening that communicates with the hole 12.
[0038] In this optional embodiment, the notch 13 is designed as a right angle, with one wall perpendicular to the axis of the clamp body 11 and the other wall parallel to the axis of the clamp body 11. The fixing block 14 can be placed stably on the wall parallel to the axis of the clamp body 11, and the fixing block 14 is limited by the wall perpendicular to the clamp body 11, which facilitates the assembly and disassembly of the fixing block 14.
[0039] Optionally, such as Figure 1 and Figure 2 As shown, a first rotating shaft 15 is rotatably mounted on the pressure block 14, and a second rotating shaft 16 is rotatably mounted on the fixture body 11. The axes of the first rotating shaft 15 and the second rotating shaft 16 are collinear and arranged radially along the fixture body 11. One end of the first rotating shaft 15 and the second rotating shaft 16 are both connected to the fixture sub-body, so that the fixture sub-body can be rotatably mounted.
[0040] In this optional embodiment, the clamp sub-body is rotatably mounted in the hole 12 by means of the first rotating shaft 15 mounted on the pressure block 14 and the second rotating shaft 16 mounted on the clamp body 11. The first rotating shaft 15 and the second rotating shaft 16 are arranged coaxially and facing each other, with the clamp sub-body in the middle. The clamp sub-body may include at least two independent parts that are used to clamp the three-way threaded pipe 4 together. The first rotating shaft 15 and the second rotating shaft 16 can be fixedly connected to different parts respectively to facilitate disassembly and assembly.
[0041] In addition, both the first rotating shaft 15 and the second rotating shaft 16 are rotatably set through bearings 17. Usually, the first rotating shaft 15 and the second rotating shaft 16 are arranged vertically, with the pressure block 14 located at the top. Both ends are fixedly connected to the clamp body 11 by bolts, which can make the three-way threaded pipe 4 be clamped and fixed horizontally.
[0042] Optionally, such as Figure 1-4 As shown, the positioning structure includes a positioning block 3, a first positioning groove 141, and a second positioning groove 151. The first positioning groove 141 is disposed on the pressure block 14. One end of the first rotating shaft 15 passes through the pressure block 14, and a plurality of second positioning grooves 151 are provided at the end. The second positioning grooves 151 are configured to align with the first positioning groove 141 by rotating the fixture body. The positioning block 3 is used to simultaneously embed into the first positioning groove 141 and the second positioning groove 151 to restrict the rotation of the fixture body relative to the fixture mother body.
[0043] In this optional embodiment, the first positioning groove 141 is disposed on the surface of the pressure block 14 away from the fixture body. One end of the first rotating shaft 15 is fixedly connected to the fixture body, and the other end passes through the pressure block 14, with a plurality of second positioning grooves 151 disposed at the end through which it passes. The second positioning grooves 151 can rotate with the rotation of the fixture body, thereby aligning a certain second positioning groove 151 with the first positioning groove 151. The optimal design is that the two grooves directly overlap. The positioning block 3 is placed into the overlapping groove. Since the pressure block 14 is fixed, the rotation of the fixture body can be restricted, thereby achieving the positioning of the three-way threaded pipe 4. By reasonably setting the position of each second positioning groove 151, when each second positioning groove 151 overlaps with the first positioning groove 141, the end of a three-way threaded pipe 4 can be positioned to the processing position.
[0044] Furthermore, since the tee threaded pipe 4 has three pipe ends, there should be three corresponding second positioning grooves 141. However, for the T-shaped tee threaded pipe 4, only two cross-shaped second positioning grooves 151 are needed. Figure 4 As shown. Specifically, the first positioning groove 141 and the second positioning groove 151 are both arranged radially along the first rotating shaft 15, and have a rectangular cross-section; the pressure block 14 is rectangular in shape, and the positioning block 3 is elongated rectangular in shape; the first rotating shaft 15 passes through the through hole of the pressure block 14 and intersects with the center of the first positioning groove 141, as shown. Figure 3 As shown.
[0045] Optionally, such as Figure 8 As shown, the cross-section of the hole 12 is arched and extends through the main body 11 of the clamp.
[0046] In this optional embodiment, the cross-section of the hole 12 is arched, providing sufficient space to accommodate the fixture body. One wall of the notch 13 intersects the top surface of the arch, and is preferably designed to be parallel to the bottom surface of the arch, thus facilitating the circumferential arrangement of the first pivot 15 and the second pivot 16 on the fixture body 11.
[0047] Optionally, such as Figure 1 As shown, the fixture sub-body includes a clamping base 21 and a clamping block 22. The clamping base 21 is a U-shaped block, and the clamping block 22 is detachably disposed in the groove of the clamping base 21. The clamping block 22 and the clamping base 21 are used together to clamp and fix the three-way threaded pipe 4.
[0048] In this optional embodiment, the clamping base 21 is designed as a U-shaped block, and the three-way threaded pipe 4 is fixed by the clamping block 22 set in the groove. This makes it easy to expose the three ends of the three-way threaded pipe 4 for processing.
[0049] Specifically, taking the T-shaped three-way threaded pipe 4 as an example, the thickness of the clamping seat 21 is less than the distance between the two opposite ends of the three-way threaded pipe 4, which ensures that the two opposite ends of the three-way threaded pipe 4 are exposed from both ends in the thickness direction of the clamping seat 21, while the other end of the three-way threaded pipe 4 extends out from the groove opening.
[0050] Optionally, such as Figure 1 , Figure 5 and Figure 6 As shown, the clamping block 22 includes a locking block 221 and a fixing block 222. Both the locking block 221 and the fixing block 222 are wedge-shaped blocks, and the clamping of the tee threaded pipe 4 is achieved by the contact and relative movement of the wedge-shaped inclined surfaces of the locking block 221 and the fixing block 222.
[0051] In this optional embodiment, the three-way threaded pipe 4 is clamped by two wedge blocks, which has dynamic self-locking properties and reliable locking and fixing.
[0052] Optionally, such as Figure 2 and Figure 5 As shown, the locking block 221 is fixedly connected to the clamping seat 21 by fastening bolts 224. The locking block 221 is provided with a guide protrusion 223, which slides and adapts to the guide groove on the clamping seat 21, and the guide protrusion 223 extends along the tightening direction of the fastening bolts 224.
[0053] In this optional embodiment, the locking block 221 and the clamping seat 21 are fixedly connected by fastening bolts 224, such as Figure 2 and Figure 5 As shown, the bolt holes for screwing in the fastening bolts 224 on the locking block 221 are arranged along the bottom surface of the groove perpendicular to the clamping seat 21. When the fastening bolts 224 are tightened, the locking block 221 moves horizontally towards the bottom surface of the groove. At the same time, it presses the fixing block 222 downward through the wedge-shaped inclined surface, thus finally clamping and fixing the three-way threaded pipe 4 to the bottom side of the groove.
[0054] In addition, such as Figure 1 As shown, after the locking block 221 is fixed in place, a gap is reserved between the locking block 221 and the clamping seat 21 in the moving direction so that it can be fully locked when the locking block 221 is tightened by moving the bolt. The bolt is usually tightened in a horizontal square.
[0055] Optionally, the fixing block 222 is provided with a profile that is adapted to the tee threaded pipe 4, for fitting with the tee threaded pipe 4 and for fixing and limiting its position.
[0056] Optionally, such as Figure 1 , Figure 4 and Figure 7As shown, the clamping body 21 is a split structure, including an upper base 211 in the shape of an L-shaped block and a lower base 212 in the shape of a straight block; one section of the lower base 212 is provided with a profile that is compatible with the three-way threaded pipe 4.
[0057] In this optional embodiment, the clamping base 21 is designed as a split structure, such as... Figure 3 As shown, the upper base 211 is fixedly connected to the first rotating shaft 15, and the lower body 212 is fixedly connected to the second rotating shaft 16. This separate design facilitates the assembly and disassembly of the entire fixture. Furthermore, a slot and plug structure are provided at the connection point between the upper base 211 and the lower body 212 for adaptation and positioning during assembly. The lower body 212 has a profile that mates with the three-way threaded pipe 4, which cooperates with the fixing block 222 to clamp the three-way threaded pipe 4 from both sides.
[0058] Although the present invention has been disclosed above, its protection scope is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and all such changes and modifications will fall within the protection scope of the present invention.
Claims
1. A fixture for machining tee threaded pipes, characterized in that, The fixture includes a main body and a fixture sub-body rotatably mounted on the main body. The fixture sub-body is used to clamp and fix the three-way threaded pipe (4). The main body is also provided with a positioning structure. The positioning structure is configured to restrict the rotation of the fixture sub-body relative to the main body when either end of the three-way threaded pipe (4) rotates to the processing position with the fixture sub-body.
2. The fixture for machining tee threaded pipes according to claim 1, characterized in that, The fixture body includes a fixture main body (11), which has a hole (12). The fixture sub-body is rotatably disposed in the hole (12), and by rotating the fixture sub-body, the three ports of the three-way threaded pipe (4) can be extended out of the hole (12) respectively.
3. The fixture for machining tee threaded pipes according to claim 2, characterized in that, The clamp body (11) is disc-shaped, and the hole (12) penetrates at least one end face of the clamp body (11) along its axial direction. A notch (13) is provided on the circumferential side wall of the clamp body (11), and the notch (13) communicates with the hole (12). A pressure block (14) is provided at the notch (13), and the clamp sub-body is provided between the pressure block (14) and the inner wall of the hole (12).
4. The tee threaded pipe processing fixture according to claim 3, characterized in that, The notch (13) is right-angled, one wall of the notch (13) is perpendicular to the axis of the clamp body (11), the other wall is parallel to the axis of the clamp body (11), and the other wall has an opening that communicates with the hole (12).
5. The tee threaded pipe processing fixture according to claim 3, characterized in that, A first rotating shaft (15) is rotatably mounted on the pressure block (14), and a second rotating shaft (16) is rotatably mounted on the fixture body (11). The axes of the first rotating shaft (15) and the second rotating shaft (16) are collinear and arranged radially along the fixture body (11). One end of both the first rotating shaft (15) and the second rotating shaft (16) is connected to the fixture sub-body.
6. The fixture for machining tee threaded pipes according to claim 5, characterized in that, The positioning structure includes a positioning block (3), a first positioning groove (141), and a second positioning groove (151). The first positioning groove (141) is disposed on the pressure block (14). One end of the first rotating shaft (15) passes through the pressure block (14), and a plurality of second positioning grooves (151) are provided at the end. The second positioning groove (151) is configured to align with the first positioning groove (141) by rotating the fixture body. The positioning block (3) is used to simultaneously embed into the first positioning groove (141) and the second positioning groove (151) to restrict the rotation of the fixture body relative to the fixture mother body.
7. The jig for machining tee threaded pipes according to any one of claims 1-6, characterized in that, The clamp sub-body includes a clamping seat (21) and a clamping block (22). The clamping seat (21) is U-shaped and the clamping block (22) is detachably disposed in the groove of the clamping seat (21). The clamping block (22) and the clamping seat (21) are used together to clamp and fix the three-way threaded pipe (4).
8. The tee threaded pipe processing fixture according to claim 7, characterized in that, The clamping block (22) includes a locking block (221) and a fixing block (222). Both the locking block (221) and the fixing block (222) are wedge-shaped blocks. The three-way threaded pipe (4) is clamped by the contact and relative movement of the wedge-shaped inclined surfaces of the locking block (221) and the fixing block (222).
9. The tee threaded pipe processing fixture according to claim 8, characterized in that, The locking block (221) is fixedly connected to the clamping seat (21) by fastening bolts (224). The locking block (221) is provided with a guide protrusion (223). The guide protrusion (223) is slidably adapted to the guide groove on the clamping seat (21), and the guide protrusion (223) extends along the tightening direction of the fastening bolts (224).
10. The fixture for machining tee threaded pipes according to claim 7, characterized in that, The clamping body (21) is a split structure, including an upper base (211) in the shape of an L-shaped block and a lower base (212) in the shape of a straight block; one section of the lower base (212) is provided with a profile that is compatible with the three-way threaded pipe (4).