Internal thread machining equipment for three-way pipe joint

Abstract

The utility model discloses an internal thread processing device for a three-way pipe joint, which comprises a base and a supporting seat, and a rotating component is arranged at the upper end of the supporting seat; a first tapping assembly is arranged at the rear end of the rotating assembly, a second tapping assembly is arranged at the left end of the rotating assembly, and a third tapping assembly is arranged at the front end of the rotating assembly. According to the three-way pipe joint tapping device, the rotating assembly is arranged and matched with the first tapping assembly, the second tapping assembly and the third tapping assembly, three inner holes of a three-way pipe joint can be tapped at the same time, and the machining efficiency is improved; meanwhile, the three tapping assemblies are arranged, so that the tapping precision and consistency are guaranteed; due to the design of the rotating assembly, in particular to the structure of the rotating disc and the supporting arm, the three-way pipe joint can be conveniently mounted and dismounted, and meanwhile the stability and precision of the three-way pipe joint in the tapping process are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of tee pipe joint processing, especially to a tee pipe joint internal thread processing equipment. BACKGROUND

[0002] Tee joint, also known as pipe tee, tee pipe or tee connector, is widely used in the connection of main pipeline branch, and its core function is to flexibly guide the change of fluid direction. In many pipeline connection scenes, tee joint plays a crucial role. However, the tapping quality of tee joint is directly related to the leakage and permeation resistance performance of pipeline connection, and thus becomes a key indicator to measure the quality of entire pipeline connection.

[0003] At present, the existing tee tapping device on the market faces many challenges in the tapping operation process: once clamped, the existing tee tapping device can only tap one hole during tapping process; due to the different needs of thread opening in different parts of tee joint, the operator needs to frequently adjust the position of the joint during the hole opening process. This adjustment step highly depends on manual operation, which not only consumes time and effort, but also increases the operation difficulty. More importantly, during the tapping process, the tee joint often needs to be fixed multiple times, which not only further increases the labor intensity of workers, but also significantly reduces the overall efficiency of tapping processing; in addition, multiple fixation of tee joint during tapping process can easily lead to unqualified products after tapping, resulting in resource waste. SUMMARY

[0004] The utility model aims at providing a tee pipe joint internal thread processing equipment to solve the problems in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a tee pipe joint internal thread processing equipment, comprising a base, wherein a support seat is arranged above the base; the lower end of the support seat is fixedly connected with the base, wherein a rotating assembly is arranged at the upper end of the support seat, and a tee pipe joint is installed on the rotating assembly; a first tapping assembly is arranged at the rear end of the rotating assembly, wherein the first tapping assembly is fixedly connected with the base through a first support frame; a second tapping assembly is arranged at the left end of the rotating assembly, wherein the second tapping assembly is fixedly connected with the base through a second support frame; a third tapping assembly is arranged at the front end of the rotating assembly, wherein the third tapping assembly is fixedly connected with the base; the first tapping assembly, the second tapping assembly and the third tapping assembly have the same structure, wherein the first tapping assembly and the third tapping assembly are oppositely arranged; the first tapping assembly is higher than the second tapping assembly, and the second tapping assembly is higher than the third tapping assembly.

[0006] Preferably, the rotating assembly comprises a rotating shaft, wherein the upper end of the support base is provided with a bearing matched with the rotating shaft; the rotating shaft penetrates through the bearing and is rotationally connected with the bearing, wherein the rear end of the rotating shaft extends towards the first support frame and is movably connected with the front plate of the first support frame; the outer wall of the rotating shaft is fixedly provided with a rotating disc, wherein the rotating disc is arranged at the rear end of the support base; the rotating disc is provided with four groups of support arms in a cross shape at equal intervals along the circumferential direction of the rotating disc, wherein the top end of each support arm is provided with a clamping assembly; the clamping assemblies arranged on the four groups of support arms are of the same structure, wherein the clamping assembly clamps a tee joint; a support ring is arranged between the rotating disc and the front plate, wherein one side of the support ring is fixedly connected with the front plate; the support ring is arranged inside the four clamping assemblies, wherein the outer diameter of the support ring is in abutment with the lower end of the clamping assembly.

[0007] Preferably, the front end of the support base is provided with a driving motor, wherein the driving motor is fixedly connected with the support base through a motor mounting base; the output shaft of the driving motor is provided with a driving belt gear, wherein the outer wall of the front end of the rotating shaft is provided with a driven belt gear, and the driven belt gear is drivingly connected with the driving belt gear through a gear belt.

[0008] Preferably, the clamping assembly comprises a fixed jaw and a movable jaw, wherein the fixed jaw and the movable jaw are arranged side by side; the fixed jaw is fixedly connected with the support arm through a bolt, wherein the top end of the fixed jaw extends out of the support arm and is provided with a first positioning clamping groove; the movable jaw is provided with an axle hole in the middle, wherein the axle hole is provided with a pin shaft; the pin shaft penetrates through the axle hole and is rotationally connected with the movable jaw, wherein the top end of the pin shaft penetrates through the support arm and is fixedly connected with the support arm; the top end of the movable jaw extends out of the support arm and is provided with a second positioning clamping groove, wherein the second positioning clamping groove is oppositely arranged with the first positioning clamping groove and fixes the tee joint.

[0009] Preferably, the lower end of the fixed jaw and the movable jaw is provided with a movable wedge, wherein one side of the movable wedge is slidingly connected with the inner wall of the fixed jaw, and the other side of the movable wedge is in abutment with the inner wall of the movable jaw; a spring is arranged above the movable wedge, wherein the two ends of the spring are fixedly connected with the fixed jaw and the movable jaw, respectively.

[0010] Preferably, the inner wall of the fixed jaw is provided with a dovetail groove, wherein the side of the movable wedge close to the fixed jaw is provided with a limiting sliding block matched with the dovetail groove; the side of the movable wedge close to the movable jaw is provided with an inclined surface, wherein the inclined surface is in abutment with the inner wall of the movable jaw.

[0011] Preferably, the lower end of the movable wedge is provided with an avoiding groove, wherein the avoiding groove is provided with a first roller; the outer wall of the lower end of the movable jaw is provided with a driving rod, wherein one end of the driving rod is fixedly connected with the movable jaw, and the other end of the driving rod is provided with a second roller.

[0012] Preferably, the support ring outer diameter is equidistantly provided with four extrusion blocks in cross shape along the circumference thereof, wherein the extrusion blocks are arranged inside the first roller, and the top ends of the extrusion blocks abut against the first roller.

[0013] Preferably, the front side plate right side is provided with a guide rod, wherein an arc-shaped guide groove is formed in the inner side of the guide rod, and the arc-shaped guide groove abuts against the second roller; the second roller rolls along the arc-shaped guide groove and drives the movable clamping jaw to open and close through the driving rod.

[0014] Preferably, the first tapping assembly comprises a ball screw, wherein the ball screw is fixedly connected with the upper end of the first support frame through screw supports at both ends; one end of the ball screw is provided with a driving motor, wherein the driving motor is fixedly connected with the first support frame through a motor support, and the output shaft of the driving motor is fixedly connected with the ball screw through a shaft coupling; the nut outer wall of the ball screw is fixedly installed with a sliding table, wherein the sliding table is provided with a tapping motor above; the output shaft of the tapping motor is provided with a self-tightening drill chuck, wherein the self-tightening drill chuck is detachably connected with a tapping drill bit.

[0015] Preferably, linear guides are symmetrically installed on both sides of the ball screw, wherein the lower end of the sliding table is provided with a guide rail slider matched with the linear guides.

[0016] Compared with the prior art, the utility model discloses a rotating assembly, cooperation first tapping assembly, second tapping assembly and third tapping assembly can realize the three inner holes of three -way pipe joint are tapped simultaneously, has improved processing efficiency, and the setting of three groups of tapping assemblies also guarantees the precision and consistency of tapping, and the design of rotating assembly, especially the structure of turntable and support arm, makes it convenient to install and remove three -way pipe joint, and also guarantees the stability and precision of three -way pipe joint in the tapping process, and the design of clamping assembly can realize the firm clamping of three -way pipe joint through the cooperation of fixed clamping jaw and movable clamping jaw and the action of movable wedge, spring and other components, and also facilitates quick loading and unloading, and besides, through setting swallow -tail groove and limit slide block and other structures, guarantee the stability and precision of movable wedge, and through setting guide rod and arc -shaped guide groove and other structures, can realize the accurate control of the opening and closing of movable clamping jaw, further guarantee the precision and stability of tapping, and tapping assembly can realize the accurate movement and positioning of tapping drill bit through the cooperation of ball screw and linear guide, also guarantees the stability and precision of tapping, and besides, through setting self -tightening drill chuck, can conveniently replace tapping drill bit, improves the flexibility of equipment. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structural schematic diagram of the utility model;

[0018] Figure 2a ,2b is the structure schematic view of the rotating assembly and the support seat connection of the utility model;

[0019] Figure 3 is the front view structure schematic view of the rotating assembly of the utility model;

[0020] Figure 4 is the rear view structure schematic view of the rotating assembly of the utility model;

[0021] Figure 5 is the structure schematic view of the rotating disc and the clamping assembly connection of the utility model;

[0022] Figure 6 is the structure schematic view of the clamping assembly of the utility model;

[0023] Figure 7 is the structure schematic view of the first tapping assembly of the utility model.

[0024] Among them: 1, base;2, support seat;3, rotating assembly;301, rotating shaft;302, rotating disc;303, support arm;304, drive motor;305, motor mounting seat;306, driven belt gear;307, gear belt;4, first tapping assembly;401, ball screw;402, screw support;403, servo motor;404, motor support;405, sliding table;406, tapping motor;407, self-tightening drill chuck;408, wire drill bit;5, first support frame;6, second tapping assembly;7, second support frame;8, third tapping assembly;9, tee joint;10, front side plate;11, clamping assembly;1101, fixed jaw;1102, movable jaw;1103, first positioning clamping groove;1104, pin shaft;1105, second positioning clamping groove;1106, movable wedge;1107, spring;12, support ring;13, dovetail groove;14, limit sliding block;15, inclined surface;16, avoiding groove;17, first roller;18, drive rod;19, second roller;20, extrusion block;21, guide rod;22, arc-shaped guide groove;23, linear guide rail;24, guide rail sliding block. DETAILED DESCRIPTION

[0025] The utility model will be further explained in detail in combination with the drawings.

[0026] Please combine with reference to Figures 1 to 7 In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0027] The utility model provides a kind of inner thread processing equipment of tee joint, including base 1, wherein base 1 is equipped with support seat 2 above;Support seat 2 lower end is fixedly connected with base 1, wherein support seat 2 upper end is equipped with rotating assembly 3, and rotating assembly 3 is installed with tee joint 9;Rotating assembly 3 rear end is equipped with first tapping assembly 4, wherein first tapping assembly 4 is fixedly connected with base 1 by first support frame 5;Rotating assembly 3 left end is equipped with second tapping assembly 6, wherein second tapping assembly 6 is fixedly connected with base 1 by second support frame 7;Rotating assembly 3 front end is equipped with third tapping assembly 8, wherein third tapping assembly 8 is fixedly connected with base 1;First tapping assembly 4, second tapping assembly 6 and third tapping assembly 8 are same in structure, wherein first tapping assembly 4 and third tapping assembly 8 are oppositely arranged;First tapping assembly 4 is higher than second tapping assembly 6, wherein second tapping assembly 6 is higher than third tapping assembly 8.

[0028] Base 1 is the support foundation of the whole equipment, which stably bears all components above;Support seat 2 is located above base 1 and is fixedly connected with base 1, rotating assembly 3 is installed on the upper end of support seat 2 for clamping and rotating tee joint 9;In this way, tee joint 9 can rotate around its axis during processing, wherein first tapping assembly 4 at the rear end of rotating assembly 3, second tapping assembly 6 at the left end and third tapping assembly 8 at the front end perform tapping operation on the inner holes of tee joint 9 respectively;First tapping assembly 4 is located at the rear end of rotating assembly 3 and is oppositely arranged with third tapping assembly 8, in height, it is higher than second tapping assembly 6;Second tapping assembly 6 is located at the left end of rotating assembly 3, with a height between first tapping assembly 4 and third tapping assembly 8;Third tapping assembly 8 is located at the front end of rotating assembly 3 and is opposite to first tapping assembly 4, but its height is lower than that of first tapping assembly 4;This layout ensures that the three tapping assemblies can process the three inner holes of tee joint 9 simultaneously or sequentially, thereby improving processing efficiency and accuracy;At the same time, by adjusting the height and position of each tapping assembly, tee joint 9 of different specifications and shapes can also be adapted, enhancing the versatility and flexibility of the equipment, thereby realizing efficient and accurate processing of the inner threads of tee joint 9 and meeting the actual needs of industrial production.

[0029] Please refer to Figure 2a , 2b and Figure 3 , Figure 4, as an embodiment of the utility model, rotating assembly 3 includes pivot 301, wherein support base 2 upper end is installed with bearing matched with pivot 301, pivot 301 passes through bearing and is rotationally connected with it, wherein pivot 301 rear end extends to first support frame 5 side and is movably connected with the front side plate 10 of first support frame 5, pivot 301 outer wall is fixedly installed with turntable 302, wherein turntable 302 is arranged at support base 2 rear end, turntable 302 periphery is equidistantly arranged with four sets of support arms 303 along its circumferential direction in cross shape, wherein every support arm 303 top end is equipped with clamping assembly 11, four sets of support arms 303 are arranged with the clamping assembly 11 structure same, wherein clamping assembly 11 is clamped with three-way pipe joint 9, turntable 302 and front side plate 10 are equipped with support ring 12, wherein support ring 12 one side is fixedly connected with front side plate 10, support ring 12 is arranged in four clamping assemblies 11 inside, wherein the outer diameter periphery of support ring 12 is respectively in contact with the lower end of clamping assembly 11.

[0030] In the above scheme, the pivot 301 is installed at the upper end of the support base 2, and is rotationally connected by a bearing matched with the pivot 301. This design allows the pivot 301 to rotate freely within the support base 2, thereby driving the components installed thereon to rotate together. The outer wall of the pivot 301 is fixedly installed with a turntable 302, which is located at the rear end of the support base 2. The periphery of the turntable 302 is equidistantly arranged with four sets of support arms 303 along its circumferential direction in cross shape. These four sets of support arms 303 are evenly distributed, ensuring that the three-way pipe joint 9 can maintain balance and stability during rotation. The top end of each support arm 303 is provided with a clamping assembly 11, and these clamping assemblies 11 have the same structure for clamping the three-way pipe joint 9. The design of the clamping assembly 11 can firmly fix the three-way pipe joint 9, preventing it from moving or shaking during processing, thereby ensuring the accuracy and safety of the tapping operation. A support ring 12 is provided between the turntable 302 and the front side plate 10, and one side of the support ring 12 is fixedly connected with the front side plate 10. The support ring 12 is arranged inside the four clamping assemblies 11, and the outer diameter periphery thereof is in contact with the lower end of the clamping assembly 11. This design not only provides additional support for the clamping assembly 11, but also ensures the stability and precision of the clamping assembly 11 during rotation.

[0031] In the specific work, first, the tee joint 9 is placed in the clamping assembly 11, and is firmly fixed by the clamping assembly 11; then, the driving device of the equipment is started, so that the rotating shaft 301 starts to rotate; with the rotation of the rotating shaft 301, the rotating disc 302 and the supporting arm 303 also rotate together, thereby driving the tee joint 9 clamped in the clamping assembly 11 to rotate; in the process of rotation, the first tapping assembly 4, the second tapping assembly 6 and the third tapping assembly 8 tap the different inner holes of the tee joint 9 in turn to form the required threads; due to the cross-shaped layout of the rotating disc 302 and the supporting arm 303 and the firm clamping of the clamping assembly 11, the tee joint 9 can keep balance and stability during the machining process, thereby improving the machining precision and efficiency.

[0032] Please refer to Figure 2a 、 2b , as an embodiment of the utility model, the front end of the support base 2 is provided with a driving motor 304, wherein the driving motor 304 is fixedly connected with the support base 2 through a motor mounting seat 305; a driving belt gear (not shown in the figure) is arranged on the output shaft of the driving motor 304, wherein a driven belt gear 306 is arranged on the outer wall of the front end of the rotating shaft 301, and the driven belt gear 306 is in transmission connection with the driving belt gear through a gear belt 307.

[0033] In the above scheme, the driving motor 304 is installed at the front end of the support base 2 and is stably fixedly connected with the support base 2 through the motor mounting seat 305, which ensures that the driving motor 304 can stably provide power and will not interfere with the normal work of other components; a driving belt gear is arranged on the output shaft of the driving motor 304, and a driven belt gear 306 is arranged on the outer wall of the front end of the rotating shaft 301; the driven belt gear 306 is in transmission connection with the driving belt gear through a gear belt 307; when the driving motor 304 is started, the driving belt gear on the output shaft of the driving motor 304 will drive the gear belt 307 to rotate, thereby driving the driven belt gear 306 on the rotating shaft 301 to rotate.

[0034] When the driving motor 304 is powered on and started, the rotor in the driving motor 304 will start to rotate, thereby driving the driving belt gear on the output shaft to rotate; since the driving belt gear and the driven belt gear 306 are connected through the gear belt 307, the rotation of the driving belt gear will drive the driven belt gear 306 and the rotating shaft 301 connected therewith to rotate; with the rotation of the rotating shaft 301, the rotating disc 302 fixed on the outer wall thereof and the supporting arm 303 and the clamping assembly 11 on the rotating disc 302 also rotate together; in this way, the tee joint 9 clamped in the clamping assembly 11 can rotate with the rotation of the rotating assembly 3, thereby providing necessary power support for the subsequent tapping operation.

[0035] Please refer to Figure 5 , Figure 6 , as an embodiment of the utility model, the clamping assembly 11 includes fixed jaw 1101 and movable jaw 1102, wherein fixed jaw 1101 and movable jaw 1102 are arranged side by side;Fixed jaw 1101 is fixedly connected with support arm 303 by bolt, wherein the top end of fixed jaw 1101 extends out of support arm 303 and is provided with first positioning clamping groove 1103;Movable jaw 1102 is provided with shaft hole in the middle, wherein the shaft hole is provided with pin shaft 1104;Pin shaft 1104 penetrates through the shaft hole and is rotatably connected with movable jaw 1102, wherein the top end of pin shaft 1104 penetrates through support arm 303 and is fixedly connected therewith;The top end of movable jaw 1102 extends out of support arm 303 and is provided with second positioning clamping groove 1105, wherein second positioning clamping groove 1105 is oppositely arranged with first positioning clamping groove 1103 and is used for fixing tee joint 9.

[0036] In the above scheme, fixed jaw 1101 is stably fixedly connected with support arm 303 by bolt, wherein the top end of fixed jaw 1101 extends out of support arm 303 and is provided with a first positioning clamping groove 1103, the shape and size of first positioning clamping groove 1103 are matched with the outer wall of tee joint 9, which is used for preliminarily positioning and supporting tee joint 9;Movable jaw 1102 is provided with a shaft hole in the middle, the shaft hole is provided with pin shaft 1104, pin shaft 1104 penetrates through the shaft hole and is rotatably connected with movable jaw 1102;At the same time, the top end of pin shaft 1104 penetrates through support arm 303 and is fixedly connected therewith, so that movable jaw 1102 can swing within a certain angle range;The top end of movable jaw 1102 also extends out of support arm 303 and is provided with a second positioning clamping groove 1105, wherein second positioning clamping groove 1105 is oppositely arranged with first positioning clamping groove 1103 and is used for clamping and fixing tee joint 9 together with fixed jaw 1101;Clamping assembly 11 realizes accurate clamping and fixing of tee joint 9 through the cooperation of fixed jaw 1101 and movable jaw 1102, which not only improves the machining precision and efficiency, but also ensures the safety and reliability of the machining process.

[0037] Please refer to Figure 5 , Figure 6 , as an embodiment of the utility model, fixed jaw 1101 and movable jaw 1102 are provided with movable wedge block 1106 at the lower end, wherein one side of movable wedge block 1106 is slidably connected with the inner wall of fixed jaw 1101, and the other side of movable wedge block 1106 abuts against the inner wall of movable jaw 1102;Spring 1107 is arranged above movable wedge block 1106, wherein the two ends of spring 1107 are fixedly connected with fixed jaw 1101 and movable jaw 1102 respectively.

[0038] In the above scheme, the movable wedge block 1106 is ingeniously arranged at the lower end of the fixed jaw 1101 and the movable jaw 1102, wherein one side of the movable wedge block 1106 is in sliding connection with the inner wall of the fixed jaw 1101, and the other side is in close abutment with the inner wall of the movable jaw 1102; this design allows the movable wedge block 1106 to slide relatively between the fixed jaw 1101 and the movable jaw 1102 when subjected to external force, thereby adjusting the clamping force between the two; the spring 1107 is installed above the movable wedge block 1106, and its two ends are fixedly connected with the fixed jaw 1101 and the movable jaw 1102 respectively, and the elastic force of the spring 1107 provides a continuous and adjustable clamping force for the movable wedge block 1106, ensuring the stability and safety of the tee joint 9 during the machining process.

[0039] When the tee joint 9 is placed in the clamping assembly 11, the movable jaw 1102 moves towards the fixed jaw 1101, so that the first positioning clamping groove 1103 and the second positioning clamping groove 1105 jointly clamp the tee joint 9; in this process, the movable wedge block 1106 slides with the movement of the movable jaw 1102, and at the same time the spring 1107 is compressed and stores energy; with further movement of the movable jaw 1102, the movable wedge block 1106 gradually increases the clamping force on the tee joint 9 under the elastic force of the spring 1107; since the movable wedge block 1106 is in sliding connection with the fixed jaw 1101 and the movable jaw 1102, uniform distribution and stable transmission of the clamping force can be ensured; during the clamping of the tee joint 9 by the movable jaw 1102, if the size or shape of the tee joint 9 changes slightly, the combined design of the movable wedge block 1106 and the spring 1107 can adaptively adjust the clamping force, ensuring the stability and reliability of the clamping; this adaptive adjustment capability enables the clamping assembly 11 to be applicable to tee joints 9 of different sizes and shapes.

[0040] Please refer to Figure 6 , as an embodiment of the utility model, dovetail groove 13 is arranged in the inner wall of the fixed jaw 1101, wherein the side of the movable wedge block 1106 close to the fixed jaw 1101 is provided with a limiting sliding block 14 matched with the dovetail groove 13; the side of the movable wedge block 1106 close to the movable jaw 1102 is provided with an inclined surface 15, wherein the inclined surface 15 abuts against the inner wall of the movable jaw 1102.

[0041] The inner wall of the fixed jaw 1101 is carefully provided with a dovetail groove 13, the dovetail groove 13 has a unique shape and has the functions of guiding and limiting, and can ensure that the movable wedge block 1106 maintains a stable movement track during sliding; the side of the movable wedge block 1106 close to the fixed jaw 1101 is specially designed with a limiting sliding block 14 matched with the dovetail groove 13, the limiting sliding block 14 can be closely embedded in the dovetail groove 13 and slide with the movement of the movable wedge block 1106, thereby realizing accurate guiding and limiting; the side of the movable wedge block 1106 close to the movable jaw 1102 is provided with an inclined surface 15, the inclined surface 15 is in close contact with the inner wall of the movable jaw 1102, when the movable jaw 1102 moves towards the fixed jaw 1101, the inclined surface 15 will generate an oblique pushing force to push the movable wedge block 1106 to slide along the dovetail groove 13; with the further movement of the movable jaw 1102, the contact area between the inclined surface 15 and the inner wall of the movable jaw 1102 gradually increases, and the clamping force generated also gradually increases, the clamping force is transmitted through the movable wedge block 1106 and the limiting sliding block 14, and finally acts on the tee joint 9, thereby realizing stable clamping.

[0042] Please refer to Figure 6 , as an embodiment of the utility model, the lower end of the movable wedge block 1106 is provided with an avoiding groove 16, and a first roller 17 is arranged in the avoiding groove 16; the outer wall of the lower end of the movable jaw 1102 is provided with a driving rod 18, one end of the driving rod 18 is fixedly connected with the movable jaw 1102, and the other end of the driving rod 18 is provided with a second roller 19.

[0043] In the above-mentioned scheme, the lower end of the movable wedge block 1106 is provided with an avoiding groove 16, wherein the avoiding groove 16 not only provides a mounting space for the first roller 17, but also ensures that the first roller 17 will not interfere with the fixed jaw 1101 or other components during rolling; the first roller 17 is cleverly arranged in the avoiding groove 16 and can roll along a specific track, and the design of the first roller 17 reduces the frictional resistance of the movable wedge block 1106 during sliding, so that the clamping process is more smooth and efficient; the outer wall of the lower end of the movable jaw 1102 is specially provided with a driving rod 18, one end of the driving rod 18 is fixedly connected with the movable jaw 1102, to ensure the stable connection and synchronous movement between the two, and a second roller 19 is installed at the other end of the driving rod 18; the design of the second roller 19 is also to reduce the frictional resistance, so that the movable jaw 1102 can roll more smoothly during movement; at the same time, the second roller 19 can also act as a transmission component to transmit external driving force to the movable jaw 1102.

[0044] Please refer to Figures 3 to 6As an embodiment of the utility model, four extrusion blocks 20 are equidistantly arranged in cross shape along the circumference of the outer diameter of the support ring 12, wherein the extrusion blocks 20 are arranged on the inner side of the first roller 17, and the top end of the extrusion blocks 20 abuts against the first roller 17; the right side of the front side plate 10 is provided with a guide rod 21, wherein an arc-shaped guide groove 22 is formed on the inner side of the guide rod 21, and the arc-shaped guide groove 22 abuts against the second roller 19; the second roller 19 rolls along the arc-shaped guide groove 22, and drives the movable clamping jaw 1102 to open and close through the driving rod 18.

[0045] In the above scheme, four extrusion blocks 20 are equidistantly arranged in cross shape along the circumference of the outer diameter of the support ring 12, which not only enhances the structural strength of the support ring 12, but also provides necessary support and limiting for the first roller 17 on the inner side thereof; the extrusion blocks 20 are cleverly arranged on the inner side of the first roller 17, and the top end thereof abuts against the first roller 17, which makes the extrusion blocks 20 be able to transmit force to the movable wedge block 1106 through extrusion on the first roller 17 when the movable clamping jaw 1102 moves, so as to realize clamping of the tee joint 9; the right side of the front side plate 10 is specially provided with the guide rod 21, which not only provides a rolling track for the second roller 19, but also ensures the stability and accuracy of the movable clamping jaw 1102 during movement; the inner side edge of the guide rod 21 is provided with the arc-shaped guide groove 22, which makes the second roller 19 be able to roll along the arc-shaped guide groove 22, so as to realize the opening and closing action of the movable clamping jaw 1102; at the same time, the shape and size of the arc-shaped guide groove 22 also determine the opening and closing angle and range of the movable clamping jaw 1102.

[0046] Please refer to Figure 1 , Figure 7 As an embodiment of the utility model, the structures of the first tapping assembly 4, the second tapping assembly 6 and the third tapping assembly 8 are the same, and the structure of the first tapping assembly 4 is taken as an example for detailed description; the first tapping assembly 4 comprises a ball screw 401, wherein the two ends of the ball screw 401 are fixedly connected with the upper end of the first support frame 5 through a screw rod support 402; one end of the ball screw 401 is provided with a servo motor 403, wherein the servo motor 403 is fixedly connected with the first support frame 5 through a motor support 404, and the output shaft of the servo motor 403 is fixedly connected with the ball screw 401 through a shaft coupling; the outer wall of the nut of the ball screw 401 is fixedly installed with a sliding table 405, wherein the sliding table 405 is provided with a tapping motor 406 above; the output shaft of the tapping motor 406 is provided with a self-tightening drill chuck 407, wherein the self-tightening drill chuck 407 is detachably connected with a tapping drill bit 408.

[0047] In the above scheme, the ball screw 401 is the core transmission component of the tapping assembly, and both ends thereof are fixed on the upper end of the first support frame 5 through the screw rod support 402; the design of the ball screw 401 makes the transmission efficiency higher and the frictional resistance smaller, thereby ensuring the high precision and stability of the tapping operation; the servo motor 403 is fixedly connected with the first support frame 5 through the motor support 404, and the output shaft thereof is fixedly connected with one end of the ball screw 401 through a shaft coupling; the servo motor 403 provides power and drives the ball screw 401 to rotate through the shaft coupling, thereby realizing the linear motion of the sliding table 405 and the components above the sliding table 405; the sliding table 405 is fixedly installed on the outer wall of the nut of the ball screw 401 and moves along the linear track with the rotation of the ball screw 401; the sliding table 405 provides a stable installation platform for the tapping motor 406 and accessories, and ensures the stability of the relative positions of the components in the tapping operation; the tapping motor 406 is installed above the sliding table 405, and the output shaft thereof is provided with the self-tightening drill chuck 407; the tapping motor 406 provides rotary power and drives the tapping drill bit 408 to rotate at high speed through the drill chuck, thereby realizing the tapping operation on the tee joint 9; the self-tightening drill chuck 407 is detachably connected with the output shaft of the tapping motor 406 and is used for clamping and fixing the tapping drill bit 408; the self-tightening design enables the drill chuck to automatically clamp the drill bit when subjected to an axial force, thereby improving the stability and safety of the tapping operation; the tapping drill bit 408 is a key component detachably connected with the self-tightening drill chuck 407 and is used for machining internal threads on the inner wall of the tee joint 9.

[0048] Please refer to Figure 7 , as an embodiment of the utility model, the ball screw 401 is symmetrically installed with linear guide rails 23 on both sides, wherein the lower end of the sliding table 405 is provided with guide rail sliding blocks 24 matched with the linear guide rails 23.

[0049] In the above scheme, the linear guide rails 23 are symmetrically installed on both sides of the ball screw 401 and provide accurate linear motion guidance for the sliding table 405; the design of the linear guide rails 23 enables the sliding table 405 to maintain a stable track during movement and avoids tapping errors caused by deviation or shaking; the lower end of the sliding table 405 is provided with guide rail sliding blocks 24 matched with the linear guide rails 23, and the guide rail sliding blocks 24 are tightly matched with the linear guide rails 23, thereby ensuring the stability and accuracy of the sliding table 405 during movement; at the same time, the design of the guide rail sliding blocks 24 also enables the sliding table 405 to smoothly slide along the linear guide rails 23, thereby reducing the frictional resistance and wear.

[0050] In the specific embodiments, however, those skilled in the art will understand that these are only illustrative, and the protection scope of the present application is defined by the appended claims. Those skilled in the art can make various changes or modifications to the embodiments without departing from the principles and essence of the present application, and these changes and modifications all fall within the protection scope of the present application.

Claims

1. A thread processing device for a tee joint, comprising a base (1), wherein a supporting seat (2) is arranged above the base (1); characterized in that, The lower end of the support seat (2) is fixedly connected with the base (1), wherein the upper end of the support seat (2) is provided with a rotating assembly (3), and a three-way pipe joint (9) is installed on the rotating assembly (3); the rear end of the rotating assembly (3) is provided with a first tapping assembly (4), wherein the first tapping assembly (4) is fixedly connected with the base (1) through a first support frame (5); the left end of the rotating assembly (3) is provided with a second tapping assembly (6), wherein the second tapping assembly (6) is fixedly connected with the base (1) through a second support frame (7); the front end of the rotating assembly (3) is provided with a third tapping assembly (8), wherein the third tapping assembly (8) is fixedly connected with the base (1); the first tapping assembly (4), the second tapping assembly (6) and the third tapping assembly (8) are the same in structure, wherein the first tapping assembly (4) and the third tapping assembly (8) are oppositely arranged; the first tapping assembly (4) is higher than the second tapping assembly (6), wherein the second tapping assembly (6) is higher than the third tapping assembly (8).

2. A box threading apparatus for a tee fitting as defined in claim 1, wherein, The rotating assembly (3) comprises a rotating shaft (301), wherein the upper end of the support seat (2) is provided with a bearing matched with the rotating shaft (301); the rotating shaft (301) penetrates through the bearing and is rotationally connected with the bearing, wherein the rear end of the rotating shaft (301) extends towards the first support frame (5) and is movably connected with the front side plate (10) of the first support frame (5); a rotating disc (302) is fixedly installed on the outer wall of the rotating shaft (301), wherein the rotating disc (302) is arranged at the rear end of the support seat (2); four groups of support arms (303) are equidistantly arranged in a cross shape around the rotating disc (302) in the circumferential direction, wherein each support arm (303) is provided with a clamping assembly (11) at the top end; the clamping assemblies (11) arranged on the four groups of support arms (303) are the same in structure, wherein the clamping assemblies (11) clamp the three-way pipe joint (9) therein; a support ring (12) is arranged between the rotating disc (302) and the front side plate (10), wherein one side of the support ring (12) is fixedly connected with the front side plate (10); the support ring (12) is arranged inside the four clamping assemblies (11), wherein the outer diameter periphery of the support ring (12) respectively abuts against the lower ends of the clamping assemblies (11).

3. A device for machining an internal thread of a tee joint according to claim 2, characterized in that The front end of the support seat (2) is provided with a driving motor (304), wherein the driving motor (304) is fixedly connected with the support seat (2) through a motor mounting seat (305); a driving belt gear is arranged on the output shaft of the driving motor (304), wherein a driven belt gear (306) is arranged on the outer wall of the front end of the rotating shaft (301), and the driven belt gear (306) is drivingly connected with the driving belt gear through a gear belt (307).

4. A device for machining an internal thread of a tee joint according to claim 2, characterized in that The clamping assembly (11) comprises a fixed jaw (1101) and a movable jaw (1102), wherein the fixed jaw (1101) and the movable jaw (1102) are arranged side by side; the fixed jaw (1101) is fixedly connected with the support arm (303) through a bolt, wherein the top end of the fixed jaw (1101) extends out of the support arm (303) and is provided with a first positioning clamping groove (1103); the movable jaw (1102) is provided with an axle hole in the middle, wherein a pin shaft (1104) is arranged in the axle hole; the pin shaft (1104) penetrates through the axle hole and is rotatably connected with the movable jaw (1102), wherein the top end of the pin shaft (1104) penetrates through the support arm (303) and is fixedly connected therewith; the top end of the movable jaw (1102) extends out of the support arm (303) and is provided with a second positioning clamping groove (1105), wherein the second positioning clamping groove (1105) is oppositely arranged with the first positioning clamping groove (1103) and fixes the tee joint (9).

5. A box threading apparatus for a tee fitting as defined in claim 4 wherein, The lower end of the fixed jaw (1101) and the movable jaw (1102) is provided with a movable wedge block (1106), wherein one side of the movable wedge block (1106) is slidably connected with the inner wall of the fixed jaw (1101), and the other side of the movable wedge block (1106) abuts against the inner wall of the movable jaw (1102); a spring (1107) is arranged above the movable wedge block (1106), wherein the two ends of the spring (1107) are fixedly connected with the fixed jaw (1101) and the movable jaw (1102) respectively.

6. A box threading apparatus for a tee fitting as defined in claim 5 wherein, The inner wall of the fixed jaw (1101) is provided with a dovetail groove (13), wherein the side of the movable wedge block (1106) close to the fixed jaw (1101) is provided with a limiting sliding block (14) matched with the dovetail groove (13); the side of the movable wedge block (1106) close to the movable jaw (1102) is provided with an inclined surface (15), wherein the inclined surface (15) abuts against the inner wall of the movable jaw (1102).

7. A box threading apparatus for a tee fitting as defined in claim 5 wherein, The lower end of the movable wedge block (1106) is provided with an avoiding groove (16), wherein a first roller (17) is arranged in the avoiding groove (16); a driving rod (18) is arranged on the outer wall of the lower end of the movable jaw (1102), wherein one end of the driving rod (18) is fixedly connected with the movable jaw (1102), and the other end of the driving rod (18) is provided with a second roller (19).

8. A box threading apparatus for a tee fitting as defined in claim 2 wherein, The outer diameter of the support ring (12) is provided with four extrusion blocks (20) equidistantly arranged in a cross shape along the circumference thereof, wherein the extrusion blocks (20) are arranged inside the first roller (17), and the top end of the extrusion blocks (20) abuts against the first roller (17).

9. The apparatus for threading the interior of a tee according to claim 1, wherein, The right side of the front side plate (10) is provided with a guide rod (21), wherein an arc-shaped guide groove (22) is arranged on the inner side of the guide rod (21), and the arc-shaped guide groove (22) abuts against the second roller (19); the second roller (19) rolls along the arc-shaped guide groove (22) and drives the movable jaw (1102) to open and close through the driving rod (18).

10. The apparatus for threading the interior of a tee according to claim 1, wherein, The first tapping assembly (4) comprises a ball screw (401), wherein the ball screw (401) is fixedly connected with the upper end of the first support frame (5) through screw supports (402) at both ends; one end of the ball screw (401) is provided with a servo motor (403), wherein the servo motor (403) is fixedly connected with the first support frame (5) through a motor support (404), and the output shaft of the servo motor (403) is fixedly connected with the ball screw (401) through a shaft coupling; the outer wall of the nut of the ball screw (401) is fixedly installed with a sliding table (405), wherein the upper side of the sliding table (405) is provided with a tapping motor (406); the output shaft of the tapping motor (406) is provided with a self-tightening drill chuck (407), wherein the self-tightening drill chuck (407) is detachably connected with a tapping drill bit (408).

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