CN115383649A - Device and process for machining ultra-long thin-walled tube - Google Patents

Abstract

The invention provides a processing device for ultra-long thin-walled pipes, which belongs to the technical field of thin-walled pipe processing equipment. A workbench is installed on the upper part of the base, and an outer straight splint is arranged on both sides of the adapter seat, and a pressure is arranged on the inner side of the outer straight splint. Inductor 1, an inner arc splint 1 is connected to both sides of the front end of the adapter seat, and a pressure sensor 2 is arranged on the outer side of the inner arc splint 1. The invention clamps the pipe at both ends, and adopts the synchronous clamping method inside and outside the pipe wall. The outer square outer straight splint shrinks to clamp the outer wall, and the inner arc splint opens to contact the inner wall of the pipe. The inner and outer walls are stressed at the same time, and the pipe is fixed on the side of the outer straight splint. The frame cannot be moved, which improves stability and reduces the possibility of damage; through the pressure sensor set on the outer straight splint and inner arc splint, the clamping pressure information of the pipe wall is sensed in real time, and the pressure information on both sides is used when clamping. At the same time, stop the clamping operation, and stop the processing operation when the pressure value of the pipe wall is large during the processing operation.

Description

A processing device and process for an ultra-long thin-walled pipe

technical field

The invention relates to the technical field of thin-walled tube processing equipment, in particular to a processing device and process for ultra-long thin-walled tubes.

Background technique

Thin-walled tubes are made of steel ingots or solid tube blanks that are perforated into capillary tubes, and then hot-rolled, cold-rolled or cold-drawn. At present, the application of thin-walled pipes is becoming more and more extensive. In various occasions and environments, thin-walled pipes will be used. Thin-walled pipes play an important role in my country's steel pipe industry.

The patent application with the application number CN205374165U provides a clamp for thin-walled pipes, including an upper clamp and a lower clamp. The upper clamp and the lower clamp adopt the same structure, including a clamp body and a locking mechanism. The clamp body It is installed on the testing machine and is used for connecting the clamp and the testing machine; the locking mechanism is installed on the main body of the clamp and is used for clamping thin-walled pipes. The locking mechanism includes an expansion part and a limiting part. The expansion part includes an expansion shaft and an expansion sleeve. Sleeve, so as to expand and tighten the thin-walled pipe. The notch on the expansion sleeve increases the friction between the expansion sleeve and the inner wall of the thin-walled pipe. The displacement limit, under the joint action of the expansion shaft, the expansion sleeve and the pressure sleeve, realizes the clamping of the thin-walled pipe. The installation is convenient and the clamping of the thin-walled pipe is firm, preventing the slippage of the thin-walled pipe.

Although this technology has improved the convenience of thin-walled pipe processing to a certain extent, there are still some problems. Because the tube wall of the ultra-long thin-walled tube is relatively thin, the technical scheme is easy to damage the tube wall when clamping, and the force is small, and the tube is easy to shift during processing and affects the processing quality.

To sum up, it is necessary to improve the existing intermediate shaft production device.

Contents of the invention

In order to comprehensively solve the above-mentioned problems, especially for the deficiencies in the prior art, the present invention provides a processing device for ultra-long thin-walled tubes, which can fully solve the above-mentioned problems. The present invention can realize the synchronous fixing of the ultra-long thin-walled pipe through the synchronous clamping and fixing device of the inner and outer walls, and the inner and outer walls are stressed synchronously, so as to prevent the pipe wall from being damaged due to uneven force.

To achieve the above object, the present invention adopts the following technical means:

The invention provides a processing device for ultra-long thin-walled pipes, which includes a base, a workbench is installed on the upper part of the base, two sets of slide rails are installed on the upper part of the workbench, and a driving motor is arranged between the two sets of slide rails 1. The output end of the drive motor 1 is provided with an outer screw rod 1; the upper parts of the two sets of slide rails are slidably connected to a fixture platform, and an adapter seat is installed at the middle position inside the fixture platform, and the two sides of the adapter seat are arranged There is an outer straight splint 1, a pressure sensor 1 is arranged on the inner side of the outer straight splint 1, an inner arc splint 1 is connected to both sides of the front end of the adapter seat, and a pressure sensor 2 is arranged on the outer side of the inner arc splint 1.

Further, a flexible layer is provided on the inside of the outer straight splint one and the inner arc splint one, and the outer straight splint one and the inner arc splint one clamp the pipe.

Further, sliding wheels are provided at the bottom of both sides of the fixture table, and the sliding wheels are in contact with the upper surface of the worktable.

Further, one side of the inner wall of the fixture table is provided with a drive motor 2, the output end of the drive motor 2 is connected to the outer shaft 1, and the front end of the outer shaft 1 is connected to the outer screw rod 2, and the outer screw rod 2 is put on the The outer straight splint 1 is connected, and the other end of the outer screw rod 2 is connected with the adapter seat.

Further, the outer gear 1 is installed on the upper part of the outer shaft 1, and one side of the outer gear 1 is engaged with the outer gear 2, and the outer gear 2 is fixedly installed on the outer shaft 2, and the front end of the outer shaft 2 is provided with an outer gear. gear three.

Further, one side of the external gear three is meshed with the external gear four, the external gear four is fixedly installed on the outer screw rod three, and the other end of the outer screw rod three is connected to the adapter seat.

Further, the middle section of the second outer shaft is provided with the first outer helical gear, the two sides of the second outer helical gear are meshed with the second outer helical gear, the second outer helical gear is fixedly installed on the third outer shaft, and the outer helical gear Three front ends are provided with external gear five, and one side of said external gear five is meshed with external gear six, and said external gear six is installed on the outer screw rod four, and said outer screw rod four is sleeved with outer straight splint two.

Further, the front part of the adapter seat is provided with a drive motor 3, the output end of the drive motor 3 is connected to an inner shaft, and the front end of the inner shaft is installed with an inner helical gear 1, and the outer side of the inner helical gear 1 is meshed with a Inner helical gear two, said inner helical gear two are respectively fixedly mounted on four sets of inner screw rods, said four sets of inner screw rods are sleeved with L-shaped positioning blocks, and said L-shaped positioning blocks are nested in the in the chute.

Further, the two sets of L-shaped positioning blocks on the upper and lower sides are equipped with inner arc splints two, and the top ends of the two sets of L-shaped positioning blocks on both sides are installed with inner arc splints I.

Further, the production process of the processing device: adjust the distance between the two fixtures on the workbench according to the length of the pipe; place the pipe on the outer straight splint 2 at the bottom; adjust the fixture to completely place the pipe on the fixture; start the drive Motor 2 drives two sets of outer straight splint 1 and outer straight splint 2 to clamp and fix the outer side of the pipe; two sets of pressure sensors sense the pressure information between the outer straight splint 1 and the pipe in real time, when the pressure sensor 1 of the two sets is greater than zero And when they are the same, stop driving motor two; at the same time, drive motor three starts, and driving motor three drives two sets of inner arc splints one and two inner arc splints to clamp and fix the inner side of the pipe; two sets of pressure sensors two real-time induction inner arc splints one and The pressure information between the pipes, when the two sets of pressure sensors two are greater than zero and the same, stop driving the motor three.

Compared with prior art, the beneficial effect of the present invention is:

1. Securely fix and place damaged pipes. The invention clamps the pipe at both ends, and adopts the synchronous clamping method inside and outside the pipe wall. The outer square outer straight splint shrinks to clamp the outer wall, and the inner arc splint opens to contact the inner wall of the pipe. The inner and outer walls are stressed at the same time, and the pipe is fixed on the side of the outer straight splint. The frame cannot be moved, which improves stability and reduces the possibility of damage.

2. Intelligent. The present invention senses the clamping pressure information of the pipe wall in real time through the pressure sensors arranged on the outer straight splint and the inner arc splint, and when the pressure information on both sides is the same during clamping, the clamping operation is stopped, and when the pipe wall is clamped during the processing operation, the clamping operation is stopped. When the pressure value is large, the processing operation is stopped.

Description of drawings

Fig. 1 is a structural schematic diagram during clamping of the present invention;

Fig. 2 is the front view when clamping of the present invention;

Fig. 3 is the left side view when clamping of the present invention;

Fig. 4 is a structural representation of the present invention;

Fig. 5 is a schematic structural view of the fixture table of the present invention;

Fig. 6 is a schematic structural view of the outer straight splint of the present invention;

Fig. 7 is a structural schematic diagram of the inner arc splint of the present invention;

Fig. 8 is a partial enlarged view of A in Fig. 7 of the present invention.

In the picture:

1. Base; 2. Workbench; 3. Driving motor 1; 4. Screw rod 1; 5. Fixture platform; 6. Slide rail; 7. Driving motor 2; , pipe material; 71, rotating shaft one; 72, screw mandrel two; 73, outer straight splint one; 74, external gear one; 75, external gear two; 76, rotating shaft two; 77, external gear three; 78, external gear four; 79, three screw rods; 80, one external helical gear; 81, two external helical teeth; 82, three rotating shafts; 83, five external gears; 84, six external gears; 85, four screw rods; 86, two outer straight splints; 731, pressure sensor one; 91, inner shaft; 92, inner helical gear one; 93, inner helical gear two; 94, inner screw rod; 95, L-shaped positioning block; 96, chute; 97, inner arc splint two ; 98, inner arc splint one; 951, sliding shaft; 981 pressure sensor two.

Detailed ways

The present invention will be further described below in conjunction with accompanying drawing:

Example:

As shown in accompanying drawings 1 to 4, Fig. 7 and Fig. 8, in one embodiment of the present invention, a processing device for ultra-long thin-walled pipes includes a base 1, and a workbench 2 is installed on the upper part of the base 1 , two sets of slide rails 6 are installed on the top of the workbench 2, a drive motor-3 is arranged between the two sets of slide rails 6, and an outer screw rod-4 is provided at the output end of the drive motor-3; The upper part of the group slide rail 6 is slidably connected with a fixture platform 5, and an adapter seat 8 is installed at the middle position inside the fixture platform 5, and an outer straight splint 73 is arranged on both sides of the adapter seat 8, and the outer straight splint 73 A pressure sensor 1 731 is arranged on the inner side, an inner arc splint 1 98 is connected to both sides of the front end of the adapter seat 8 , and a pressure sensor 2 981 is arranged on the outside of the inner arc splint 1 98 .

As shown in accompanying drawings 1 to 5, in one embodiment of the present invention, specifically, a flexible layer is provided inside the outer straight splint 73 and the inner arc splint 98, and the outer straight splint 73 and the inner arc splint 98 are provided with a flexible layer. The arc splint one 98 clamps the pipe material 10 .

As shown in accompanying drawings 1 to 3 , in one embodiment of the present invention, specifically, sliding wheels 51 are provided at the bottom of both sides of the fixture table 5 , and the sliding wheels 51 are in contact with the upper surface of the workbench 2 .

As shown in accompanying drawings 2 to 6, in one embodiment of the present invention, specifically, a drive motor 2 7 is provided on one side of the inner wall of the fixture table 5, and the output end of the drive motor 2 7 is connected to an outer shaft 1 71 , the front end of the outer rotating shaft 1 71 is connected with the outer screw rod 2 72 , the outer straight splint 1 73 is sleeved on the outer screw rod 2 72 , and the other end of the outer screw rod 2 72 is connected with the adapter seat 8 .

As shown in accompanying drawings 2 to 4, in one embodiment of the present invention, specifically, an external gear 74 is installed on the upper part of the outer shaft 71, and one side of the outer gear 74 is engaged with an outer gear 2 75. The second external gear 75 is fixedly mounted on the second outer shaft 76, and the front end of the second outer shaft 76 is provided with a third outer gear 77.

As shown in accompanying drawings 3 to 7, in one embodiment of the present invention, specifically, one side of the external gear 3 77 is meshed with an external gear 4 78, and the external gear 4 78 is fixedly mounted on the outer screw rod 3 79, the other end of the outer screw rod three 79 is connected with the adapter seat 8.

As shown in accompanying drawings 4 to 8, in one embodiment of the present invention, specifically, the middle section of the outer rotating shaft 2 76 is provided with an external helical tooth 1 80, and the two sides of the external helical tooth 1 80 are engaged and connected with External helical gear 2 81, said external helical gear 2 81 is fixedly installed on the outer shaft 3 82, the front end of said outer shaft 3 82 is provided with external gear 5 83, and one side of said external gear 5 83 is engaged with external gear 6 84 , the external gear six 84 is installed on the outer screw rod four 85, and the outer straight splint two 86 is sleeved on the outer screw rod four 85.

As shown in accompanying drawings 5 to 7, in one embodiment of the present invention, specifically, the front part of the adapter base 8 is provided with a driving motor 3 9, and the output end of the driving motor 3 9 is connected to an inner rotating shaft 91 , the front end of the inner rotating shaft 91 is equipped with an inner helical gear 1 92, and the outer side of the inner helical gear 92 is meshed with an inner helical gear 2 93, and the inner helical gear 2 93 is fixedly installed on four groups of inner screw rods 94 respectively , the four sets of inner screw rods 94 are sleeved with L-shaped positioning blocks 95 , and the L-shaped positioning blocks 95 are nested in the sliding slots 96 through the sliding shaft 951 .

As shown in accompanying drawings 1 to 6, in one embodiment of the present invention, specifically, an inner arc splint 2 97 is installed on the top of the upper and lower sets of L-shaped positioning blocks 95, and the two sets of L-shaped positioning blocks on both sides Type positioning block 95 tops are equipped with inner arc splint-98.

working principle

When the present invention is in use, the distance between the two fixture tables 5 on the workbench 2 is adjusted according to the length of the pipe material 10, and the pipe material 10 is placed on the outer straight splint 2 86 at the bottom. Start the driving motor one 3, the driving motor one 3 drives the outer screw mandrel one 4 to rotate, the outer screw mandrel one 4 drives the clamp table 5 to move, adjust the clamp table 5 and pipe material 10 is placed on the clamp table 5 completely.

Then, start the driving motor two 7, the driving motor two 7 drives the outer shaft one 71 to rotate, and the outer shaft one 71 drives the outer screw mandrel two 72 to rotate, through the external gear one 74, the external gear two 75, the external gear three 77, the external helical gear One 80, external helical gear two 81, external gear five 83, external gear six 84 and other transmission structures drive the outer screw rod three 79 and outer screw rod four 85 to rotate, so as to realize the synchronization of outer straight splint one 73 and outer straight splint two 86 Move to the inside to clamp the outer wall of the pipe 10, and two sets of pressure sensors 1731 sense the pressure information between the outer straight splint 173 and the pipe 10 in real time. When the two sets of pressure sensors 1731 are greater than zero and the same, stop driving the motor 2 7.

Simultaneously, drive motor 3 9 starts, and drive motor 3 9 drives two groups of inner arc splints 1 98 and 2 inner arc splints 97 to clamp and fix the inner side of pipe 10, and two sets of pressure sensors 2 981 sense inner arc splint 1 98 and pipe 10 in real time. Between the pressure information, when the two sets of pressure sensors 2 981 are greater than zero and the same, stop driving the motor 3 9 .

In describing the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", " The orientation or positional relationship indicated by "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, so as to Specific orientation configurations and operations, therefore, are not to be construed as limitations on the invention.

Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still The technical solutions recorded in the foregoing embodiments may be modified, or some technical features thereof may be equivalently replaced. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. The machining device for the ultra-long thin-walled tube comprises a base (1), wherein a workbench (2) is mounted on the upper portion of the base (1), and is characterized in that two groups of sliding rails (6) are mounted on the upper portion of the workbench (2), a first driving motor (3) is arranged between the two groups of sliding rails (6), and a first outer lead screw (4) is arranged at the output end of the first driving motor (3);

two sets of slide rail (6) upper portion sliding connection has anchor clamps platform (5), adapter (8) are installed to the inside intermediate position of anchor clamps platform (5), adapter (8) both sides are provided with outer straight splint (73), outer straight splint (73) inboard is provided with pressure sensors (731), adapter (8) front end both sides are connected with inner arc splint (98), the outer side of inner arc splint (98) is equipped with pressure sensors two (981).

2. A processing device for extra long thin walled tube according to claim 1, characterized in that the inner sides of the outer straight clamping plate one (73) and the inner arc clamping plate one (98) are provided with flexible layers, and the outer straight clamping plate one (73) and the inner arc clamping plate one (98) clamp the tube (10).

3. The processing device for the ultra-long thin-walled tube according to claim 1, characterized in that the bottom of the two sides of the clamp table (5) is provided with a sliding wheel (51), and the sliding wheel (51) is in contact with the upper surface of the workbench (2).

4. The processing device of the ultra-long thin-walled tube according to claim 3, wherein a second driving motor (7) is arranged on one side of the inner wall of the clamp table (5), an output end of the second driving motor (7) is connected with a first outer rotating shaft (71), a second outer screw rod (72) is connected to the front end of the first outer rotating shaft (71), a first outer straight clamping plate (73) is sleeved on the second outer screw rod (72), and the other end of the second outer screw rod (72) is connected with the adapter (8).

5. The machining device for the ultra-long thin-walled tube according to claim 4, characterized in that an external gear I (74) is installed at the upper part of the external rotating shaft I (71), one side of the external gear I (74) is engaged and connected with an external gear II (75), the external gear II (75) is fixedly installed on the external rotating shaft II (76), and an external gear III (77) is arranged at the front end of the external rotating shaft II (76).

6. The machining device for the ultra-long thin-walled tube according to claim 5, characterized in that one side of the external gear three (77) is engaged with and connected with an external gear four (78), the external gear four (78) is fixedly installed on an external screw rod three (79), and the other end of the external screw rod three (79) is connected with the adapter (8).

7. The machining device for the ultra-long thin-walled tube according to claim 5, wherein a first external helical tooth (80) is arranged in the middle section of the second external helical tooth (76), two sides of the first external helical tooth (80) are connected with a second external helical tooth (81) in a meshing manner, the second external helical tooth (81) is fixedly installed on the third external helical tooth (82), a fifth external gear (83) is arranged at the front end of the third external helical tooth (82), a sixth external gear (84) is connected to one side of the fifth external gear (83) in a meshing manner, the sixth external gear (84) is installed on a fourth external screw rod (85), and a second external straight clamping plate (86) is sleeved on the fourth external screw rod (85).

8. The machining device for the ultra-long thin-walled tube according to claim 1, wherein a third driving motor (9) is arranged in front of the adapter (8), an output end of the third driving motor (9) is connected with an inner rotating shaft (91), a first inner helical gear (92) is installed at the front end of the inner rotating shaft (91), a second inner helical gear (93) is engaged and connected to the outer side of the first inner helical gear (92), the second inner helical gear (93) is fixedly installed on four groups of inner lead screws (94) respectively, L-shaped positioning blocks (95) are sleeved on the four groups of inner lead screws (94), and the L-shaped positioning blocks (95) are nested in sliding grooves (96) through sliding shafts (951).

9. The processing device of the ultra-long thin-walled tube as claimed in claim 8, wherein the top ends of the upper and lower sets of L-shaped positioning blocks (95) are provided with a second inner arc clamping plate (97), and the top ends of the two sets of L-shaped positioning blocks (95) on two sides are provided with a first inner arc clamping plate (98).

10. The processing technology of the overlong thin-walled tube is characterized in that the processing device comprises the following production technologies:

(1) adjusting the distance between the two clamp tables (5) on the workbench (2) according to the length of the pipe (10);

(2) placing the pipe (10) on a second outer straight clamping plate (86) at the bottom;

(3) adjusting the clamp table (5) to completely place the pipe (10) on the clamp table (5);

(4) starting a second driving motor (7) to drive two groups of first outer straight clamping plates (73) and second outer straight clamping plates (86) to clamp and fix the outer side of the pipe (10);

(5) the two groups of pressure sensors I (731) sense pressure information between the outer straight clamping plate I (73) and the pipe (10) in real time, and when the two groups of pressure sensors I (731) are larger than zero and are the same, the driving motor II (7) is stopped;

(6) meanwhile, a driving motor III (9) is started, and the driving motor III (9) drives two groups of inner arc clamping plates I (98) and inner arc clamping plates II (97) to clamp and fix the inner side of the pipe (10);

(7) and the two groups of pressure sensors II (981) sense the pressure information between the inner arc clamp plate I (98) and the pipe (10) in real time, and when the two groups of pressure sensors II (981) are larger than zero and are the same, the driving motor III (9) is stopped.

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