Automatic disc collecting device for pipeline welding

Abstract

The utility model relates to the technical field of disc collecting devices, and provides a pipeline welding automatic disc collecting device which comprises a mounting base and a winding disc, a supporting rotary disc is rotationally mounted on the mounting base, a first driving part is started to drive the supporting rotary disc to rotate, a supporting stand column is fixedly arranged on the supporting rotary disc, and a first limiting block is arranged on the supporting stand column; a winding column is arranged on the winding disc, a connecting groove is formed in the winding column, the supporting stand column is installed in the connecting groove in a sliding mode, a limiting groove communicated with the connecting groove is formed in the winding column, and a limiting mechanism is arranged on the supporting stand column. And the winding disc is fixedly connected with the supporting rotary disc, so that the supporting rotary disc and the winding disc are quickly mounted and dismounted, and the working efficiency and the mounting stability are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of the collection tray device, and particularly relates to a pipeline welding automatic collection tray device. BACKGROUND

[0002] The pipeline and cable need to be wound on the winding tray after processing, so as to facilitate transportation and storage. The winding tray is generally installed on the supporting turntable through a plurality of bolts and nuts. The installation is inconvenient, and the pipeline is prone to misalignment during winding, thereby affecting the winding quality. UTILITY MODEL CONTENTS

[0003] Therefore, the utility model provides a pipeline welding automatic collection tray device. The first limiting block is inserted into the limiting groove by operating the limiting mechanism, the winding tray is connected and fixed with the supporting turntable, the quick installation and disassembly between the supporting turntable and the winding tray are realized, and the working efficiency and the stability of installation are improved.

[0004] The technical scheme is as follows: a pipeline welding automatic collection tray device comprises an installation base and a winding tray. The installation base is rotatably installed with a supporting turntable. The installation base is detachably installed with a first driving component at the bottom. The first driving component drives the supporting turntable to rotate. The supporting turntable is fixedly provided with a supporting column. The supporting column is provided with a first limiting block. The winding tray is provided with a winding column. The winding column is provided with a connecting groove. The supporting column is slidably installed in the connecting groove. The winding column is provided with a limiting groove in communication with the connecting groove. The supporting column is provided with a limiting mechanism. The first limiting block is inserted into the limiting groove by operating the limiting mechanism, and the winding tray is connected and fixed with the supporting turntable.

[0005] In the use process of the above technical scheme, the first limiting block is inserted into the limiting groove by operating the limiting mechanism, the winding tray is connected and fixed with the supporting turntable, the quick installation and disassembly between the supporting turntable and the winding tray are realized, and the working efficiency and the stability of installation are improved.

[0006] As a preferred, the supporting column is a square in cross section, the connecting groove is a square in cross section corresponding to the supporting column, and the connecting groove penetrates the winding column.

[0007] As preferred, the limiting mechanism comprises a first piston cavity formed on the support column, a first piston plate being sealingly and slidingly installed in the first piston cavity, a first threaded hole being formed on the support column, an adjusting screw being rotatably installed on the first piston plate, the adjusting screw being threadedly installed in the first threaded hole, two symmetrical second piston cavities being formed on the support column, a second piston plate being sealingly and slidingly installed in the second piston cavity, the second piston plate being fixedly connected with the first limiting block through a second piston rod, a first recess being formed on the support column, the first limiting block being slidingly installed in the first recess, the second piston cavity being sealingly communicated with the first piston cavity through a gas conveying cavity.

[0008] As preferred, a partition plate is fixedly arranged on the support column, a first elastic component is arranged between the second piston plate and the partition plate, a first sliding hole is formed on the support column, the first recess is communicated with the second piston cavity through the first sliding hole, the second piston rod is slidingly installed in the first sliding hole, and the first limiting block is located in the first recess through the first elastic component.

[0009] As preferred, two symmetrical guide rods are fixedly arranged on the mounting base, a support plate is fixedly arranged on the upper end of the guide rod, a first screw rod is rotatably installed between the support plate and the mounting base, a second driving component is detachably installed on the mounting base, the second driving component is in transmission connection with the first screw rod, a sliding block is slidingly installed on the guide rod, the sliding block is threadedly installed on the first screw rod, a first guide hole is arranged in the middle of the sliding block, and the second driving component drives the sliding block to reciprocatingly and circularly move along the guide rod through the first screw rod.

[0010] As preferred, a second threaded hole is formed on the sliding block, the first screw rod is threadedly installed in the first threaded hole, a mounting plate is fixedly arranged on the sliding block, a third guide hole is formed on the mounting plate, the guide rod is slidingly installed in the third guide hole, mounting holes are formed on the support plate and the mounting base, the second driving component is in transmission connection with the first screw rod through a rotating shaft, and the rotating shaft is rotatably installed in the mounting hole.

[0011] In the use process of the above technical scheme: the second driving component drives the sliding block to reciprocatingly and circularly move along the guide rod through the first screw rod, the function of guiding the pipeline is realized through the sliding block, the pipeline is more stably wound on the winding column, and the dislocation of the pipeline in the winding process is prevented, so that the winding quality is affected.

[0012] As preferred, the first screw rod number is two, both of the first screw rods are rotatably installed in the mounting hole through the rotating shaft, chain wheels are fixedly arranged on the two rotating shafts, the two chain wheels are connected through the chain transmission, and the output end of the second driving component is in transmission connection with one of the chain wheels.

[0013] As preferred, the automatic positioning mechanism is arranged on both sides of the guide rod and corresponds to the mounting plate, the position of the mounting plate is automatically detected through the automatic positioning mechanism, and the mounting plate is controlled to switch the moving direction through the second driving component.

[0014] As preferred, the automatic positioning mechanism comprises a detection cavity, a sliding plate is slidably installed in the detection cavity, a second elastic component is arranged between the sliding plate and the detection cavity, a detection rod is fixedly arranged on the sliding plate and corresponds to the mounting plate, a second detection contact is arranged on the sliding plate, a first detection contact corresponding to the second detection contact is arranged in the detection cavity, and the mounting plate is controlled to switch the moving direction through the second driving component.

[0015] In the use process of the above technical scheme, the position of the mounting plate is automatically detected through the automatic positioning mechanism, and the mounting plate is controlled to switch the moving direction through the second driving component, so that the stability of the pipeline winding is improved.

[0016] As preferred, the detection cavity is fixedly provided with a support frame, a second guide hole is formed in the support frame, the guide rod is slidably installed in the second guide hole, a second groove is formed in the support frame, a second limiting block is slidably installed in the second groove, a limiting bolt is rotatably installed on the second limiting block, and a third screw hole is formed in the support frame, and the limiting bolt is threadedly installed in the third screw hole.

[0017] In the use process of the above technical scheme, the position of the automatic positioning mechanism on the guide rod is adjusted according to the height of the winding column, so that the use range is improved.

[0018] After the above technical scheme is adopted, the beneficial effects of the present application are as follows:

[0019] 1. The operation limiting mechanism is used for inserting the first limiting block into the limiting groove, connecting and fixing the winding disc with the supporting turntable, realizing the quick installation and disassembly between the supporting turntable and the winding disc, and improving the working efficiency and the stability of the installation.

[0020] 2. The second driving part is started to drive the sliding block to move along the guide rod in a reciprocating cycle through the first screw rod, and the pipeline is guided through the sliding block, so that the pipeline is more stably wound on the winding column, and the dislocation of the pipeline in the winding process is prevented, thereby affecting the winding quality;

[0021] 3. The automatic positioning mechanism automatically detects the position of the mounting plate, and the second driving part controls the mounting plate to switch the moving direction, thereby improving the stability of the pipeline winding;

[0022] 4. The position of the automatic positioning mechanism on the guide rod is adjusted according to the height of the winding column, thereby improving the use range. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0024] Figure 1 It is a perspective view of the present application;

[0025] Figure 2 It is a sectional view of the present application;

[0026] Figure 3 It is a perspective view of the present application Figure 2 It is a local enlarged view of A in the present application;

[0027] Figure 4 It is an exploded view of the present application;

[0028] Figure 5 It is a perspective view of the mounting base of the present application;

[0029] Figure 6 It is a local sectional view of the supporting column of the present application;

[0030] Figure 7 It is a perspective view of the winding disc of the present application;

[0031] Figure 8 It is a local exploded view of the present application;

[0032] Figure 9 It is a local exploded view of the second embodiment of the present application;

[0033] Figure 10 It is a perspective view of the third embodiment of the present application;

[0034] Figure 11It is the sectional view of the embodiment three of the utility model;

[0035] In the figure, 1, mounting base; 2, support turntable; 3, first drive component; 4, support column; 5, first screw hole; 6, first piston cavity; 7, partition; 8, gas delivery cavity; 9, second piston cavity; 10, first sliding hole; 11, first recess; 12, winding disc; 13, winding column; 14, connecting groove; 15, limiting groove; 16, first piston plate; 17, adjusting screw; 18, rotating frame; 19, second piston plate; 20, first elastic component; 21, second piston rod; 22, first limiting block; 23, guide rod; 24, support plate; 25, mounting hole; 26, second drive component; 27, first screw rod; 28, sprocket; 29, chain; 30, rotating shaft; 31, sliding block; 32, second screw hole; 33, first guide hole; 34, mounting plate;

[0036] 35, automatic positioning mechanism; 3501, support frame; 3502, second guide hole; 3503, second recess; 3504, third screw hole; 3505, limiting bolt; 3506, second limiting block; 3507, detection cavity; 3508, first detection contact; 3509, sliding plate; 3510, second detection contact; 3511, detection rod; 3512, second elastic component; 3513, second sliding hole; DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0038] Embodiment one

[0039] As Figures 1 to 11 shown, a pipeline welding automatic take-up device, including mounting base 1 and winding disc 12, mounting base 1 is rotatably installed with support turntable 2, and the bottom of mounting base 1 is detachably installed with first drive component 3, and the first drive component 3 is started to drive support turntable 2 to rotate, support column 4 is fixedly arranged on support turntable 2, first limiting block 22 is arranged on support column 4, winding column 13 is arranged on winding disc 12, connecting groove 14 is formed in winding column 13, support column 4 is slidably installed in connecting groove 14, limiting groove 15 that communicates with connecting groove 14 is formed in winding column 13, limiting mechanism is arranged on support column 4, first limiting block 22 is inserted into limiting groove 15 by operating limiting mechanism, and winding disc 12 is connected and fixed with support turntable 2.

[0040] Specifically, the first rotating shaft 30 is rotatably arranged on the mounting base 1, and the first driving component 3 is a driving motor which is arranged on the mounting base 1 through bolts and nuts, and the output end of the driving motor is in transmission connection with the support turntable 2 through the first rotating shaft 30.

[0041] In actual operation, the first limiting block 22 is inserted into the limiting groove 15 through the limiting mechanism, and the winding disc 12 is connected and fixed with the support turntable 2, so that the support turntable 2 and the winding disc 12 are quickly installed and disassembled, and the working efficiency and the stability of the installation are improved.

[0042] The support column 4 has a square cross section, the connecting groove 14 has a square cross section corresponding to the support column 4, and the connecting groove 14 penetrates the winding column 13.

[0043] The limiting mechanism comprises a first piston cavity 6 arranged on the support column 4, a first piston plate 16 sealingly and slidably arranged in the first piston cavity 6, a first screw hole 5 arranged on the support column 4, an adjusting screw 17 rotatably arranged on the first piston plate 16, the adjusting screw 17 being threadedly arranged in the first screw hole 5, two symmetrical second piston cavities 9 arranged on the support column 4, a second piston plate 19 sealingly and slidably arranged in the second piston cavity 9, the second piston plate 19 being fixedly connected with the first limiting block 22 through a second piston rod 21, a first recess 11 arranged on the support column 4, the first limiting block 22 being slidably arranged in the first recess 11, and the second piston cavity 9 being in sealing communication with the first piston cavity 6 through a gas conveying cavity 8.

[0044] The support column 4 is fixedly provided with a partition plate 7, the first elastic component 20 is arranged between the second piston plate 19 and the partition plate 7, the support column 4 is provided with a first sliding hole 10, the first recess 11 is in communication with the second piston cavity 9 through the first sliding hole 10, the second piston rod 21 is slidably arranged in the first sliding hole 10, and the first limiting block 22 is located in the first recess 11 through the first elastic component 20.

[0045] Specifically, the first elastic component 20 is a return spring, the return spring is movably arranged in the second piston cavity 9, one end of the return spring is fixedly connected with the partition plate 7, and the other end of the return spring is fixedly connected with the second piston plate 19, the support column 4 is provided with two symmetrical gas conveying cavities 8, the two second piston cavities 9 are respectively in communication with the first piston cavity 6 through the gas conveying cavities 8, the upper end of the adjusting screw 17 is fixedly provided with a rotating frame 18, and the rotating frame 18 is provided with an internal hexagonal recess.

[0046] In actual operation: the connecting groove 14 on the winding column 13 is sleeved on the support column 4, so that the lower end surface of the winding disc 12 is in contact with the upper end surface of the support turntable 2, the adjusting screw 17 is driven to rotate along the first screw hole 5 by the rotating frame 18, the first piston plate 16 is driven to move downward along the first piston cavity 6 by the adjusting screw 17, the gas pressure in the compressed first piston cavity 6, the gas cavity 8 and the second piston cavity 9 is increased, thereby driving the second piston plate 19 to move along the second piston cavity 9, the second piston rod 21 is driven to move along the first sliding hole 10 by the second piston plate 19, thereby driving the first limiting block 22 to be inserted into the limiting groove 15 and stretching the reset spring, and the winding column 13 is installed on the support column 4 of the support turntable 2. When it is necessary to disassemble, the adjusting screw 17 is driven to rotate reversely along the first screw hole 5 by the rotating frame 18, the first piston plate 16 is driven to move upward along the first piston cavity 6, and the first limiting block 22 is placed in the first recess 11 under the action of the reset spring, so that the winding disc 12 is conveniently removed.

[0047] The mounting base 1 is fixedly provided with two symmetrical guide rods 23, the upper end of the guide rod 23 is fixedly provided with a support plate 24, the support plate 24 and the mounting base 1 are rotationally installed with a first screw rod 27, the mounting base 1 is detachably installed with a second driving component 26, the second driving component 26 is in transmission connection with the first screw rod 27, the guide rod 23 is slidably installed with a sliding block 31, the sliding block 31 is threadedly installed on the first screw rod 27, the middle of the sliding block 31 is provided with a first guide hole 33, and the second driving component 26 is started to drive the sliding block 31 to reciprocatingly and circularly move along the guide rod 23 through the first screw rod 27.

[0048] The sliding block 31 is provided with a second screw hole 32, the first screw rod 27 is threadedly installed in the first screw hole 5, the sliding block 31 is fixedly provided with a mounting plate 34, the mounting plate 34 is provided with a third guide hole, the guide rod 23 is slidably installed in the third guide hole, the support plate 24 and the mounting base 1 are both provided with a mounting hole 25, the second driving component 26 is in transmission connection with the first screw rod 27 through a rotating shaft 30, and the rotating shaft 30 is rotationally installed in the mounting hole 25.

[0049] Specifically, the second driving component 26 is a forward and reverse servo motor, the forward and reverse servo motor is installed on the mounting base 1 through a bolt and a nut, and the output end of the forward and reverse servo motor is fixedly connected with the rotating shaft 30.

[0050] In actual operation: the second driving component 26 is started to drive the first screw rod 27 to rotate through the rotating shaft 30, the sliding block 31 is driven to move up and down along the guide rod 23 through the first screw rod 27, the sliding block 31 is driven to move reciprocatingly along the guide rod 23 by adjusting the forward and reverse rotation of the second driving component 26, the function of guiding the pipeline is realized through the sliding block 31, so that the pipeline is more stably wound on the winding column 13, and the dislocation of the pipeline in the winding process is prevented, thereby affecting the winding quality.

[0051] On the basis of example one, the number of the first screw rod 27 is two, both of the first screw rods 27 are rotatably installed in the mounting hole 25 through the rotating shaft 30, the chain wheels 28 are fixedly arranged on the two rotating shafts 30, the two chain wheels 28 are drivingly connected through the chain 29, the output end of the second driving component 26 is drivingly connected with one of the chain wheels 28, the second driving component 26 is started to drive the sliding block 31 to move reciprocatingly along the two first screw rods 27 through the driving of the chain wheel 28 and the chain 29.

[0052] On the basis of example one, the automatic positioning mechanism 35 is installed on both sides of the mounting plate 34 on the guide rod 23, the automatic positioning mechanism 35 corresponds to the mounting plate 34, the position of the mounting plate 34 is automatically detected through the automatic positioning mechanism 35, and the mounting plate 34 is controlled to switch the moving direction through the second driving component 26.

[0053] The automatic positioning mechanism 35 comprises a detection cavity 3507, a sliding plate 3509 is slidably installed in the detection cavity 3507, a second elastic component 3512 is arranged between the sliding plate 3509 and the detection cavity 3507, a detection rod 3511 is fixedly arranged on the sliding plate 3509, the detection rod 3511 corresponds to the mounting plate 34, a second detection contact 3510 is arranged on the sliding plate 3509, a first detection contact 3508 corresponding to the second detection contact 3510 is arranged in the detection cavity 3507, and the mounting plate 34 drives the second detection contact 3510 to contact the first detection contact 3508 through the detection rod 3511.

[0054] Specifically, a second sliding hole 3513 is formed in the upper end of the detection cavity 3507, the detection rod 3511 is slidably installed in the second sliding hole 3513, the second elastic component 3512 is a reset spring, the second elastic component 3512 is movably sleeved on the detection rod 3511, one end of the second elastic component 3512 is fixedly connected with the sliding plate 3509, and the other end is fixedly connected with the detection cavity 3507, a controller is arranged on the second driving component 26, the first detection contact 3508 and the second detection contact 3510 are electrically connected with the controller.

[0055] In actual operation: the sliding block 31 drives the mounting plate 34 to move along the guide rod 23, when the mounting plate 34 contacts the detection head, the detection head is pushed to move through the mounting plate 34, the detection head drives the sliding plate 3509 to move along the detection cavity 3507, so that the second detection contact 3510 contacts the first detection contact 3508, and the second elastic component 3512 is stretched, thereby the controller controls the switching of the forward and reverse rotation of the second driving component 26, so that the automatic positioning function is realized, when the mounting plate 34 is away from the detection rod 3511, the mounting plate 34 is reset under the action of the second elastic component 3512.

[0056] The support frame 3501 is fixedly arranged on the detection cavity 3507, the second guide hole 3502 is formed in the support frame 3501, the guide rod 23 is slidably arranged in the second guide hole 3502, the second recess 3503 is formed in the support frame 3501, the second limiting block 3506 is slidably arranged in the second recess 3503, the limiting bolt 3505 is rotatably arranged on the second limiting block 3506, and the third screw hole 3504 is formed in the support frame 3501.

[0057] In actual operation: the second limiting block 3506 is driven by the limiting bolt 3505 to be located in the second recess 3503, the support frame 3501 can move up and down along the guide rod 23, when moving to a specified position, the limiting bolt 3505 is rotated along the third screw hole 3504, the second limiting block 3506 is driven by the limiting bolt 3505 to move along the second recess 3503, and the end portion is in contact with the guide rod 23, and the support frame 3501 is fixed on the guide rod 23 through the friction force between the second limiting block 3506 and the guide rod 23.

[0058] The working principle of the utility model is that the connecting groove 14 on the winding column 13 is sleeved on the support column 4, the lower end surface of the winding disc 12 contacts the upper end surface of the support turntable 2, the adjusting screw rod 17 is driven by the rotating frame 18 to rotate along the first screw hole 5, the first piston plate 16 is driven by the adjusting screw rod 17 to move downwards along the first piston cavity 6, the gas pressure in the first piston cavity 6, the gas cavity 8 and the second piston cavity 9 is compressed, the second piston plate 19 is driven to move along the second piston cavity 9, the second piston rod 21 is driven by the second piston plate 19 to move along the first sliding hole 10, the first limiting block 22 is inserted into the limiting groove 15, and the reset spring is stretched, the winding column 13 is installed on the support column 4 of the support turntable 2, when disassembling, the adjusting screw rod 17 is driven by the rotating frame 18 to rotate reversely along the first screw hole 5, the first piston plate 16 is driven to move upwards along the first piston cavity 6, the first limiting block 22 is placed in the first recess 11 under the action of the reset spring, and the winding disc 12 is conveniently taken off.

[0059] The second driving component 26 drives the first screw rod 27 to rotate through the rotating shaft 30, drives the sliding block 31 to move up and down along the guide rod 23 through the first screw rod 27, drives the sliding block 31 to move reciprocatingly along the guide rod 23 through the forward and reverse rotation of the second driving component 26, and realizes the guiding function of the pipeline through the sliding block 31, so that the pipeline is more stably wound on the winding column 13, and the dislocation of the pipeline in the winding process is prevented, thereby affecting the winding quality.

[0060] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and the skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only for illustrating the principle of the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed for protection, and the scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. An automatic winding device for pipeline welding, comprising a mounting base (1) and a winding disk (12), wherein a supporting turntable (2) is rotatably mounted on the mounting base (1), and a first driving component (3) is detachably mounted on the bottom of the mounting base (1), and when the first driving component (3) is activated, the supporting turntable (2) is driven to rotate, characterized in that: A supporting column (4) is fixedly provided on the supporting turntable (2), a first limiting block (22) is provided on the supporting column (4), a winding column (13) is provided on the winding disk (12), a connecting groove (14) is provided on the winding column (13), the supporting column (4) is slidably installed in the connecting groove (14), a limiting groove (15) communicating with the connecting groove (14) is provided on the winding column (13), and a limiting mechanism is provided on the supporting column (4), and the limiting mechanism is operated to insert the first limiting block (22) into the limiting groove (15), so that the winding disk (12) is connected and fixed to the supporting turntable (2).

2. The automatic pipeline welding closing device according to claim 1 is characterized in that: The cross section of the supporting column (4) is in the shape of a square, the cross section of the connecting groove (14) is in the shape of a square corresponding to the supporting column (4), and the connecting groove (14) passes through the winding column (13).

3. The automatic pipeline welding closing device according to claim 2, characterized in that: The limiting mechanism includes a first piston cavity (6) provided on the supporting column (4), a first piston plate (16) is sealingly and slidably installed in the first piston cavity (6), a first screw hole (5) is provided on the supporting column (4), an adjusting screw (17) is rotatably installed on the first piston plate (16), and the adjusting screw (17) is threadedly installed in the first screw hole (5), two symmetrical second piston cavities (9) are provided on the supporting column (4), a second piston plate (19) is sealingly and slidably installed in the second piston cavity (9), the second piston plate (19) is fixedly connected to the first limiting block (22) through the second piston rod (21), a first groove (11) is provided on the supporting column (4), the first limiting block (22) is slidably installed in the first groove (11), and the second piston cavity (9) is sealed and communicated with the first piston cavity (6) through the air delivery cavity (8).

4. The automatic pipeline welding closing device according to claim 3 is characterized in that: A partition (7) is fixedly provided on the support column (4), a first elastic component (20) is provided between the second piston plate (19) and the partition (7), a first sliding hole (10) is opened on the support column (4), the first groove (11) is connected with the second piston cavity (9) through the first sliding hole (10), the second piston rod (21) is slidably installed in the first sliding hole (10), and the first limit block (22) is located in the first groove (11) through the first elastic component (20).

5. The automatic pipeline welding closing device according to any one of claims 1 to 4, characterized in that: Two symmetrical guide rods (23) are fixedly provided on the mounting base (1), a support plate (24) is fixedly provided on the upper end of the guide rod (23), a first screw (27) is rotatably installed between the support plate (24) and the mounting base (1), a second driving component (26) is detachably installed on the mounting base (1), the second driving component (26) is transmission-connected with the first screw (27), a sliding block (31) is slidably installed on the guide rod (23), the sliding block (31) is threadedly installed on the first screw (27), a first guide hole (33) is provided in the middle of the sliding block (31), and the second driving component (26) is started to drive the sliding block (31) to move back and forth along the guide rod (23) through the first screw (27).

6. The automatic pipeline welding closing device according to claim 5, characterized in that: The sliding block (31) is provided with a second screw hole (32), the first screw rod (27) is threadedly installed in the first screw hole (5), a mounting plate (34) is fixedly provided on the sliding block (31), a third guide hole is provided on the mounting plate (34), the guide rod (23) is slidably installed in the third guide hole, the support plate (24) and the mounting base (1) are both provided with mounting holes (25), the second driving component (26) is connected to the first screw rod (27) through a rotating shaft (30), and the rotating shaft (30) is rotatably installed in the mounting hole (25).

7. The automatic pipeline welding closing device according to claim 6, characterized in that: There are two first screw rods (27), and the two first screw rods (27) are rotatably mounted in the mounting hole (25) via a rotating shaft (30). Sprockets (28) are fixedly arranged on the two rotating shafts (30), and the two sprockets (28) are connected in transmission via a chain (29). The output end of the second driving component (26) is connected in transmission to one of the sprockets (28). When the second driving component (26) is started, the transmission via the sprocket (28) and the chain (29) drives the sliding block (31) to move back and forth along the two first screw rods (27).

8. The automatic pipeline welding closing device according to claim 6 or 7, characterized in that: Automatic positioning mechanisms (35) are installed on both sides of the guide rod (23) and the mounting plate (34). The automatic positioning mechanisms (35) correspond to the mounting plate (34). The position of the mounting plate (34) is automatically detected by the automatic positioning mechanisms (35), and the switching movement direction of the mounting plate (34) is controlled by the second driving component (26).

9. The automatic pipeline welding closing device according to claim 8, characterized in that: The automatic positioning mechanism (35) includes a detection cavity (3507), a sliding plate (3509) is slidably installed in the detection cavity (3507), a second elastic component (3512) is provided between the sliding plate (3509) and the detection cavity (3507), a detection rod (3511) is fixedly provided on the sliding plate (3509), the detection rod (3511) corresponds to the mounting plate (34), a second detection contact (3510) is provided on the sliding plate (3509), a first detection contact (3508) corresponding to the second detection contact (3510) is provided in the detection cavity (3507), and the mounting plate (34) pushes the second detection contact (3510) to contact the first detection contact (3508) through the detection rod (3511).

10. The automatic pipeline welding closing device according to claim 9, characterized in that: A support frame (3501) is fixedly provided on the detection cavity (3507), a second guide hole (3502) is provided on the support frame (3501), the guide rod (23) is slidably installed in the second guide hole (3502), a second groove (3503) is provided on the support frame (3501), a second limit block (3506) is slidably installed in the second groove (3503), a limit bolt (3505) is rotatably installed on the second limit block (3506), a third screw hole (3504) is provided on the support frame (3501), and the limit bolt (3505) is threadedly installed in the third screw hole (3504).

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