Tapping tool for center wire tee joint

Abstract

The utility model discloses a tapping frock of middle silk tee bend, including bottom plate, three support seats of T type distribution or two support seats of left and right symmetry are installed on the bottom plate, and support seat is composed of support vertical board and support horizontal board of vertical fixed connection, and the guiding key is installed between support seat and bottom plate, and support seat can slide along guiding key and carry out position locking, and the detachable installation lining plate is all buckled in the inside of support seat, and the inside of lining plate is equipped with the positioning slot for placing tee bend port. The tapping frock of middle silk tee bend provided by the utility model has high versatility and flexibility, expands frock's application range, can shorten the time of replacing or adjusting frock significantly, improves production efficiency.

Description

Technical Field

[0001] This utility model relates to a tapping tool for a center-thread tee, belonging to the field of machining technology. Background Technology

[0002] Threaded tees are very common and important pipe fittings in piping systems. They are tee fittings with internal threads, external threads, or a combination of internal and external threads. A center thread tee specifically refers to a type of threaded tee with an internal thread at the center connection.

[0003] The interface of a center-thread tee needs to be tapped. To facilitate tapping the tee by the tapping machine, a fixture is needed to fix the tee in place. For example, a tapping fixture for a tee pipe disclosed in CN201220648586.9 and a tapping fixture for a reducing tee disclosed in CN202021297073.9, etc.

[0004] The existing fixtures and tooling for center thread tees have the following technical problems during use: Traditional tooling is limited in specifications and lacks versatility. It is usually designed for tees of specific pipe diameters and sizes. Different specifications of tees require the manufacture of special tooling, resulting in a wide variety of tooling and high costs. Traditional tooling often lacks the ability to adjust quickly and accurately. Changing or adjusting tooling is time-consuming and laborious, affecting production efficiency.

[0005] In conclusion, the existing technology obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content

[0006] This invention addresses the shortcomings of the prior art by providing a tapping tool for a center-thread tee, which has high versatility and flexibility, expanding the applicability of the tool; it can significantly shorten the time for changing or adjusting the tool and improve production efficiency.

[0007] To solve the above technical problems, the present invention adopts the following technical solution: The tapping fixture for the center thread tee includes a base plate, on which are mounted three support seats arranged in a T-shape or two support seats arranged symmetrically on the left and right. Each support seat consists of a vertically fixed support plate and a support cross plate. A guide key is installed between the support seat and the base plate. The support seat can slide along the guide key and be locked in position. Each support seat has a detachable liner that is snapped into it. The liner has a positioning groove for placing the tee port.

[0008] Furthermore, the base plate has a square structure, and each corner of the square structure is provided with a first oblong hole. A first screw is installed in the first oblong hole, and the first screw fixes the base plate to the tapping platform.

[0009] Furthermore, a circular through hole is provided in the middle of the base plate, and a guide groove is provided around the through hole. The guide groove is opened inside the upper surface of the base plate, and a guide key is fixedly installed inside the guide groove.

[0010] Furthermore, the support plate has a semi-circular hole inside, and the bottom of the semi-circular hole has a screw hole for fixing the liner.

[0011] Furthermore, the support plate has two second oblong holes arranged side by side, and a second screw is installed in the second oblong hole. The second screw fixes the support base to the base plate.

[0012] Furthermore, a groove is provided at the bottom of the support plate, and the groove runs through the width of the support plate.

[0013] Furthermore, the liner has a semi-circular structure, and the bottom of the liner is provided with an installation groove, through which the liner is fastened to the support plate.

[0014] Furthermore, the liner has a semi-circular positioning groove inside, and the bottom of the positioning groove is fixedly connected to the support plate by a third screw, which is set to penetrate the bottom of the liner in a vertical direction.

[0015] Furthermore, a liftable baffle is installed above the base plate, and the baffle has an opening slot.

[0016] Furthermore, the front and rear sides of the baffle are connected to the adjusting seat by screws, and the adjusting seat has a strip hole for the screws to pass through; the adjusting seat is located on both sides of the sliding direction of the support seat and is fixed to the base plate.

[0017] Compared with the prior art, the present invention, by adopting the above technical solution, has the following advantages: This utility model adopts replaceable liners, with different specifications of liners corresponding to tees of different pipe diameters. One set of tooling can cover multiple pipe diameter specifications, greatly reducing the number of special toolings, reducing costs and management difficulty; it adopts an adjustable support base, which can flexibly adapt to the size changes of tees with different main pipe lengths and branch pipe spacings, expanding the applicability of the tooling.

[0018] The liner is installed by fastening and screws, and changing the liner of different specifications is quick and easy. Adjusting the support is convenient. Loosen the second screw, slide the support to the desired position along the guide key, and then tighten the screw to complete the adjustment. It significantly shortens the time for changing workpiece specifications and adjusting tooling, and improves production efficiency.

[0019] This invention can be adapted to tapping requirements and can be used for tapping in the longitudinal or horizontal direction.

[0020] The present invention will now be described in detail with reference to the accompanying drawings and embodiments. Attached Figure Description

[0021] Figure 1 This is a top view of the structure of Embodiment 1; Figure 2 yes Figure 1 Schematic diagram of the cross section at point AA; Figure 3 This is a schematic diagram of the base plate in Example 1; Figure 4 This is the main structural view of the support base in Embodiment 1; Figure 5 This is a top view of the support structure in Embodiment 1; Figure 6 yes Figure 5 Schematic diagram of the cross section at point BB; Figure 7 This is a front view of the liner plate in Example 1; Figure 8 This is a top view of the liner plate in Example 1; Figure 9 yes Figure 8 Schematic diagram of the cross section at point C; Figure 10 This is the main structural view of Embodiment 2; Figure 11 This is a top view of the structure of Embodiment 2; Figure 12 This is a side view of the structure of Embodiment 2.

[0022] In the figure, 1-base plate, 11-first oblong hole, 12-through hole, 13-guide groove; 2-first screw; 3-support seat, 31-support vertical plate, 32-support horizontal plate, 33-second oblong hole, 34-sliding groove; 4-liner plate, 41-positioning groove, 42-mounting groove; 5-second screw; 6-third screw; 7-guide key; 8-baffle; 9-adjusting seat, 91-strip hole. Detailed Implementation

[0023] To provide a clearer understanding of the technical features, objectives, and effects of this utility model, the specific embodiments of this utility model are now described with reference to the accompanying drawings.

[0024] Example 1 like Figures 1-9 As shown in the figure, this utility model provides a tapping fixture for a center-thread tee, used to clamp the tee and tap it in the horizontal direction. Specifically, it includes a base plate 1, on which three support seats 3 are installed in a T-shape. A guide key 7 is installed between the support seats 3 and the base plate 1. The support seats 3 can slide along the guide key 7 and be locked in position. Each support seat 3 has a detachable liner 4 fastened inside. The liner 4 has a positioning groove 41 inside for placing the tee port.

[0025] The base plate 1 has a square structure, and each corner of the square structure is provided with a first oblong hole 11. A first screw 2 is installed in the first oblong hole 11, and the first screw 2 fixes the base plate 1 to the tapping platform.

[0026] A circular through hole 12 is provided in the middle of the base plate 1, and a guide groove 13 is provided around the through hole 12. The guide groove 13 is opened in the upper surface of the base plate 1, and a guide key 7 is fixedly installed in each guide groove 13. The guide key 7 is a type B flat key.

[0027] The support base 3 has an L-shaped structure and consists of a vertically fixed support plate 31 and a support horizontal plate 32. The support plate 31 has a semi-circular hole inside, and the bottom of the semi-circular hole has a screw hole for fixing the liner plate 4.

[0028] The supporting horizontal plate 32 has two second oblong holes 33 arranged side by side. A second screw 5 is installed in the second oblong hole 33, and the second screw 5 fixes the support base 3 to the base plate 1. The second oblong holes 33 are provided to allow the support base 3 to move relative to the base plate 1.

[0029] The bottom of the support plate 32 is provided with a sliding groove 34, which runs through the width of the support plate 32. The support base 3 moves along the guide key 7 via the sliding groove 34.

[0030] The liner 4 has a semi-circular structure. The bottom of the liner 4 is provided with an installation groove 42. The liner 4 is fastened to the support plate 31 of the support base 3 through the installation groove 42. The liner 4 has a semi-circular positioning groove 41 inside. The bottom of the positioning groove 41 is fixedly connected to the support plate 31 by a third screw 6. The third screw 6 is set to penetrate the bottom of the liner 4 in a vertical direction.

[0031] The liner 4 is detachable for easy replacement with different specifications of liner 4. The positioning groove 41 of different specifications of liner 4 has different dimensions to meet the tapping requirements of tees with different pipe diameters.

[0032] The specific working principle of Example 1: According to the specifications of the tee to be processed, select three liner plates 4 with appropriate positioning groove diameters 41, fasten the liner plates to the corresponding support plate 31 of the support base 3, and tighten them with the third screw 6; move the support base 3 along the guide key 7 and adjust it to a position suitable for the main pipe length and branch pipe spacing of the tee, and then tighten the second screw 5; put the three ports of the tee into the positioning grooves 41 of the liner plates 4 respectively, and the T-shaped intersection center area of ​​the tee is located above the through hole 12 of the base plate 1; at this time, the tee is precisely radially positioned by the three liner plates 4 and axially blocked by the support plate 31; operate the tapping equipment to tap the tee ports in the horizontal direction.

[0033] This invention utilizes an adjustable support base and replaceable liner to construct a variable-size, T-shaped positioning frame on the base plate. The frame precisely grips the outer circles of the three ports of the tee through the semi-circular positioning grooves on the liner, providing radial positioning, and provides axial constraint through the support plate, ensuring that the axial direction of the three ports is correct, thus providing a foundation for efficient and accurate tapping operations.

[0034] Example 2 like Figures 10-12 As shown in the figure, this utility model provides a tapping fixture for a center-thread tee, used to clamp the tee and tap it in the vertical direction.

[0035] The technical features that distinguish Example 2 from Example 1 are as follows: In Example 1, three support seats 3 arranged in a T-shape are installed on the base plate 1, while in Example 2, two support seats 3 are installed on the base plate 1 arranged symmetrically on the left and right.

[0036] In embodiment 2, a liftable baffle 8 is installed above the base plate 1, and the baffle 8 has an opening slot. The front and rear sides of the baffle 8 are connected to the adjusting seat 9 by screws. The adjusting seat 9 has a strip hole 91 for the screw to pass through, and the baffle 8 can slide longitudinally along the strip hole 91. The adjusting seat 9 is located on both sides of the sliding direction of the support 3 and is fixed to the base plate 1.

[0037] In embodiment 2, a liftable baffle 8 is provided, which has an opening groove for the upper port of the tee to enter, so that the tee is positioned and tapped in the vertical direction.

[0038] The above description provides examples of the preferred embodiments of this utility model. Any aspects not detailed herein are common knowledge to those skilled in the art. The scope of protection of this utility model is determined by the claims. Any equivalent modifications based on the technical teachings of this utility model are also within the scope of protection of this utility model.

Claims

1. A tapping tool for a center-thread tee, characterized in that: Includes a base plate (1), on which are installed three support seats (3) arranged in a T-shape or two support seats (3) arranged symmetrically on the left and right. The support seat (3) consists of a vertically fixed support plate (31) and a support cross plate (32). A guide key (7) is installed between the support seat (3) and the base plate (1). The support seat (3) can slide along the guide key (7) and be locked in position. Each support seat (3) is fitted with a detachable liner (4). The liner (4) has a positioning groove (41) for placing the tee port.

2. The tapping fixture for the center-thread tee as described in claim 1, characterized in that: The base plate (1) is a square structure. Each corner of the square structure is provided with a first waist-shaped hole (11). A first screw (2) is installed in the first waist-shaped hole (11). The first screw (2) fixes the base plate (1) to the tapping platform.

3. The tapping fixture for the center-thread tee as described in claim 2, characterized in that: A circular through hole (12) is provided in the middle of the base plate (1), and a guide groove (13) is provided around the through hole (12). The guide groove (13) is opened in the upper surface of the base plate (1), and a guide key (7) is fixedly installed inside the guide groove (13).

4. The tapping fixture for the center-thread tee as described in claim 1, characterized in that: The support plate (31) has a semi-circular hole inside, and the bottom of the semi-circular hole has a screw hole for fixing the liner plate (4).

5. The tapping fixture for the center-thread tee as described in claim 1, characterized in that: The support plate (32) has two second waist-shaped holes (33) arranged side by side. A second screw (5) is installed in the second waist-shaped hole (33). The second screw (5) fixes the support base (3) to the base plate (1).

6. The tapping fixture for the center-thread tee as described in claim 5, characterized in that: The bottom of the support plate (32) is provided with a groove (34), which runs through the width of the support plate (32).

7. The tapping fixture for the center-thread tee as described in claim 1, characterized in that: The liner (4) has a semi-circular structure and a mounting groove (42) is provided at the bottom of the liner (4). The liner (4) is fastened to the support plate (31) through the mounting groove (42).

8. The tapping fixture for the center-thread tee as described in claim 7, characterized in that: The liner (4) has a semi-circular positioning groove (41) inside. The bottom of the positioning groove (41) is fixedly connected to the support plate (31) by a third screw (6). The third screw (6) is set through the bottom of the liner (4) in the vertical direction.

9. The tapping fixture for the center-thread tee as described in claim 1, characterized in that: A liftable baffle (8) is installed above the base plate (1), and the baffle (8) has an opening groove.

10. The tapping fixture for the center-thread tee as described in claim 9, characterized in that: The front and rear sides of the baffle (8) are connected to the adjusting seat (9) by screws. The adjusting seat (9) has a strip hole (91) for the screw to pass through. The adjusting seat (9) is located on both sides of the sliding direction of the support seat (3) and is fixed to the base plate (1).

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