CN116788658A - Adjustable rack for pipeline production - Google Patents

Abstract

The application relates to the technical field related to pipeline production equipment, in particular to an adjustable type rack for pipeline production, which comprises a rack, a placing mechanism, a discharging mechanism and an adjusting mechanism, wherein the rack is arranged on the rack; the unloading mechanism is positioned between the two groups of placing mechanisms and is used for conveying the pipeline body on the pipeline conveying frame to the placing groove, and comprises a lifting guide rod, a transverse pushing ring, a cam and a transverse guide rod; through setting up discharge mechanism, can carry the standing groove with the pipeline body on the pipeline carriage on to can also be with being located the pipeline body that is close to on the standing groove of pipeline carriage, carry to be located the standing groove of keeping away from the pipeline carriage on, thereby can guarantee all can place the pipeline body on a plurality of standing grooves, promoted the efficiency of carrying the pipeline body, solved current rack for pipeline production, put the pipeline in proper order on the rack through the manual work generally, thereby there is the problem that the rack is inconvenient for accomodating the pipeline.

Description

Adjustable rack for pipeline production

Technical Field

The application relates to the technical field related to pipeline production equipment, in particular to an adjustable type rack for pipeline production.

Background

When the pipeline is produced, the outlet of the pipeline production machine outputs a formed pipeline, the pipeline is cut after being output for a certain length, and the cut pipeline is manually conveyed to a proper position for storage; the existing rack for pipeline production is used for placing pipelines on the rack in sequence usually through manpower, so that the problem that the rack is inconvenient to store the pipelines exists.

Disclosure of Invention

The application aims to provide an adjustable type rack for pipeline production, which solves the problems in the background technology.

In order to achieve the above purpose, the present application provides the following technical solutions: an adjustable rack for pipeline production comprises a rack, a placing mechanism, a discharging mechanism and an adjusting mechanism;

the placing rack is placed on the floor;

the placing mechanisms are provided with two groups, the two groups of placing mechanisms are arranged on two sides of the placing frame at intervals, each placing mechanism comprises a first placing plate and a third placing plate which are sequentially arranged, a plurality of placing grooves for placing the pipeline body are formed in each of the first placing plate and the third placing plate, and the distance between the first placing plate and the third placing plate is adjusted through the adjusting mechanism;

the unloading mechanism is positioned between the two groups of placing mechanisms and is used for carrying the pipeline body on the pipeline conveying frame to the placing grooves, the unloading mechanism comprises an unloading plate, a lifting guide rod, a transverse pushing ring, a rotating shaft, a connecting plate, a cam and a transverse pushing rod, one side of the unloading plate is provided with an unloading groove matched with the placing grooves, the other side of the unloading plate is connected with the lifting guide rod, the lifting guide rod is inserted in a guide seat and is in sliding connection with the guide seat, two ends of the guide seat are respectively provided with a transverse pushing rod, one transverse pushing rod is inserted in a fixedly arranged support frame and is in sliding connection with the support frame, and the support frame is also connected with the guide seat through a spring; the other transverse moving guide rod is opposite to the connecting groove formed in the end part of the transverse moving push ring, the transverse moving guide rod is in contact with the end part of the connecting groove, the transverse moving push ring is fixedly sleeved on the periphery of the rotating shaft, one end of the connecting groove formed in the transverse moving push ring is inclined, the two sides of the inclined end are respectively a long part and a short part, and the long part of the transverse moving push ring inclined towards the cam is opposite to the convex part of the cam;

when the end part of the lifting guide rod is abutted against the concave part of the cam, and the transverse moving guide rod is abutted against the short part of the inclined end of the transverse moving pushing ring, the stripper plate is positioned at one side of the first placing plate far away from the third placing plate, and a plurality of stripper grooves are respectively opposite to the plurality of placing grooves;

when the end part of the lifting guide rod is in conflict with the convex part of the cam, and the transverse moving guide rod is in conflict with the long part of the inclined end of the transverse moving pushing ring, the stripper plate is positioned on one side of the third placing plate far away from the first placing plate, and one of the stripper grooves on the stripper plate is positioned at the top of the pipeline conveying frame.

The application further adopts the technical scheme that: one end of the lifting guide rod, which is far away from the stripper plate, is provided with a connecting plate, and the connecting plate is in contact with the cam.

The application further adopts the technical scheme that: the adjusting mechanism comprises an adjusting piece, a second hinge plate, a first hinge plate, a second transverse sliding block and a first transverse sliding block, wherein the second hinge plate and the first hinge plate are arranged in a crossing manner, the crossing position of the second hinge plate and the first hinge plate is hinged with a first lifting sliding block, and the first lifting sliding block is in sliding connection with a lifting sliding groove formed in the shell wall of the placement frame; both ends of the first hinge plate and the second hinge plate are respectively hinged with a second transverse sliding block and a first transverse sliding block, the two second transverse sliding blocks are respectively and slidably connected in a second transverse sliding groove formed in the side wall of a third placing plate, and the third placing plate is also slidably connected with the lifting sliding groove through a second lifting sliding block; the two second hinge plates are respectively connected in a first transverse sliding groove formed in the side wall of the first placing plate in a sliding mode, and the distance between the two first transverse sliding blocks is adjusted through the adjusting piece.

The application further adopts the technical scheme that: the placing mechanism further comprises a second placing plate, the second placing plate is located between the first placing plate and the third placing plate, and the second placing plate is hinged to the intersection of the second hinge plate and the first hinge plate.

The application further adopts the technical scheme that: the adjusting piece comprises a bidirectional screw rod, the threaded parts at the two ends of the bidirectional screw rod are respectively inserted into the threaded grooves formed in the two first transverse sliding blocks, the threaded parts at the two ends of the bidirectional screw rod are respectively in threaded connection with the different first transverse sliding blocks, and the bidirectional screw rod is further in rotary connection with the placement frame.

The application further adopts the technical scheme that: still include fixed establishment, fixed establishment installs in the fixed plate storage tank that the standing groove both sides were seted up, and fixed establishment is used for the pipeline body on the fixed standing groove.

The application further adopts the technical scheme that: the fixing mechanism comprises fixing plates, connecting rods, fixing hinging rods, fixing sliding blocks and fixing driving shafts, wherein the fixing plates are respectively arranged on two sides of a placing groove, the end parts, close to each other, of the two fixing plates are respectively connected with the inner wall of the storage groove of the fixing plates in a rotating mode through the connecting rods, the two fixing plates are respectively hinged to the fixing hinging rods on one sides, far away from each other, of the fixing plates, one ends, far away from the fixing plates, of the fixing hinging rods are hinged to the fixing sliding blocks, and the two fixing sliding blocks located on the same placing groove are respectively sleeved on the peripheries of two bidirectional threaded parts at two ends of the fixing driving shafts and are respectively connected with the bidirectional threaded parts in a threaded mode.

Compared with the prior art, the technical scheme provided by the application has the following beneficial effects:

1. according to the application, the unloading mechanism is arranged, so that the pipeline body on the pipeline conveying frame can be conveyed to the placing groove, and the pipeline body on the placing groove close to the pipeline conveying frame can be conveyed to the placing groove far away from the pipeline conveying frame, so that the pipeline body can be placed in a plurality of placing grooves, the efficiency of conveying the pipeline body is improved, and the problem that the existing placing frame for pipeline production is inconvenient to store the pipeline because the pipelines are sequentially placed on the placing frame by manpower is solved.

2. According to the application, by arranging the adjusting mechanism, the distance between the two first transverse sliding blocks can be adjusted, so that the effect of adjusting the distance between the first placing plate and the third placing plate can be realized, and the space required by the first placing plate and the third placing plate for accommodating can be reduced when the pipeline body is not placed; and can place the board behind the standing groove of board on the third and place the pipeline body, place the board through the increase first distance of placing between the board and the board third, for the first board of placing accomodates the effect that the pipeline body provided the abdication.

3. According to the application, through the arrangement of the fixing mechanism, the effect of fixing the pipeline bodies on the plurality of placing grooves can be realized by adjusting the angle of the fixed driving shaft, so that the placing stability of the pipeline bodies is improved.

Drawings

FIG. 1 is a three-dimensional schematic view of an adjustable pipe production rack provided by the application;

FIG. 2 is a cross-sectional view of an adjustable pipe production rack provided by the application;

FIG. 3 is a schematic view of a part of a rack for production of an adjustable pipe according to the present application;

FIG. 4 is another partial three-dimensional schematic view of an adjustable pipe production rack according to the present application;

FIG. 5 is an enlarged schematic view of a portion of FIG. 4 at A;

fig. 6 is a partial cross-sectional view of the first placing plate provided by the present application at the fixing plate receiving groove.

Reference numerals in the schematic drawings illustrate:

1. a floor; 2. a universal wheel; 3. a placing rack; 4. a placement mechanism; 5. lifting sliding grooves; 6. a discharging mechanism; 7. a mounting groove; 8. a pipe carrier; 9. a pipe body; 10. a connecting groove; 11. a first hinge plate; 12. a second hinge plate; 13. a first traversing slide; 14. a two-way screw rod; 15. a first lifting slide block; 16. a second lifting slide block; 17. a second traversing slide; 18. a second traverse chute; 19. a discharge chute; 20. a fixing plate; 21. a connecting rod; 22. a fixed driving shaft; 23. a fixed plate accommodating groove; 24. a fixed slide block; 25. a fixed hinge rod; 26. a bidirectional threaded portion; 27. a first traversing chute; 40. a placement groove; 41. a first placing plate; 42. a second placing plate; 43. a third placing plate; 60. traversing the guide rod; 61. a stripper plate; 62. lifting guide rods; 63. traversing the push ring; 64. a rotating shaft; 65. a connecting plate; 66. a cam; 67. a support frame; 68. a guide seat; 69. and (3) a spring.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art without making any inventive effort, based on the embodiments of the present application are within the scope of the present application, and the present application is further described below with reference to the embodiments.

Referring to fig. 1-4, in one embodiment of the present application, an adjustable pipe production rack includes a rack 3, a placement mechanism 4, a discharging mechanism 6 and an adjusting mechanism;

the placing frame 3 is placed on the floor 1;

the placing mechanisms 4 are provided with two groups, the two groups of placing mechanisms 4 are arranged at two sides of the placing frame 3 at intervals, the placing mechanisms 4 comprise a first placing plate 41 and a third placing plate 43 which are sequentially arranged, a plurality of placing grooves 40 for placing the pipeline body 9 are formed in the first placing plate 41 and the third placing plate 43, and the distance between the first placing plate 41 and the third placing plate 43 is adjusted through an adjusting mechanism;

the unloading mechanism 6 is positioned between the two groups of placing mechanisms 4, the unloading mechanism 6 is used for carrying the pipeline body 9 on the pipeline conveying frame 8 onto the placing grooves 40, the unloading mechanism 6 comprises an unloading plate 61, a lifting guide rod 62, a transverse pushing ring 63, a rotating shaft 64, a connecting plate 65, a cam 66 and a transverse pushing rod 60, one side of the unloading plate 61 is provided with an unloading groove 19 matched with the placing grooves 40, the other side of the unloading plate 61 is connected with the lifting guide rod 62, the lifting guide rod 62 is inserted into a guide seat 68 and is in sliding connection with the guide seat 68, two ends of the guide seat 68 are respectively provided with a transverse pushing rod 60, one transverse pushing rod 60 is inserted into a fixedly arranged supporting frame 67 and is in sliding connection with the supporting frame 67, and the supporting frame 67 is also connected with the guide seat 68 through a spring 69; the other traverse guide rod 60 is arranged opposite to the connecting groove 10 arranged at the end part of the traverse push ring 63, the traverse guide rod 60 is abutted against the end part of the connecting groove 10, the traverse push ring 63 is fixedly sleeved on the periphery of the rotating shaft 64, one end of the traverse push ring 63, which is provided with the connecting groove 10, is an inclined end, two sides of the inclined end are respectively provided with a long part and a short part, and the long part of the traverse push ring 63 inclined towards the cam 66 is arranged opposite to the convex part of the cam 66;

when the end of the lifting guide rod 62 abuts against the concave portion of the cam 66 and the traverse guide rod 60 abuts against the short portion of the inclined end of the traverse push ring 63, the stripper plate 61 is located at one side of the first placing plate 41 away from the third placing plate 43, and the plurality of stripper grooves 19 are respectively opposite to the plurality of placing grooves 40;

when the end of the lifting guide rod 62 abuts against the protruding portion of the cam 66, and the traverse guide rod 60 abuts against the long portion of the oblique end of the traverse push ring 63, the stripper plate 61 is located at the side of the third placing plate 43 away from the first placing plate 41, and one of the stripper grooves 19 on the stripper plate 61 is located at the top of the pipe carrier 8.

In one case of this embodiment, a connecting plate 65 is disposed at an end of the lifting guide 62 away from the stripper plate 61, and the connecting plate 65 abuts against a cam 66.

In practical application, the produced multiple pipeline bodies 9 are sequentially sent to one side of the placing frame 3 through the pipeline conveying frame 8, then the rotating shaft 64 is driven to rotate through the first hinge plate 11, as shown in fig. 2, when the rotating shaft 64 rotates to the end part of the lifting guide rod 62 to be in contact with the concave part of the cam 66, and the traversing guide rod 60 is in contact with the short part of the inclined end of the traversing push ring 63, the stripper plate 61 is positioned at one side of the first placing plate 41 far away from the third placing plate 43, and the multiple stripper grooves 19 are respectively opposite to the multiple placing grooves 40, so that the pipeline bodies 9 on the stripper grooves 19 can be placed on the placing grooves 40;

when the rotating shaft 64 rotates to the point that the end of the lifting guide rod 62 is in contact with the concave part and the convex part of the cam 66, and the traversing guide rod 60 is in contact with the short part and the long part of the inclined end of the traversing push ring 63, one end of the stripper plate 61 slides towards the direction of the pipeline conveying frame 8 until one of the stripper grooves 19 is positioned at the bottom of the pipeline conveying frame 8;

when the rotating shaft 64 rotates to the end of the lifting guide rod 62 and the protruding portion of the cam 66 are in contact, the traverse guide rod 60 is in contact with the long portion of the oblique end of the traverse push ring 63, the stripper plate 61 is located at one side of the third placing plate 43 away from the first placing plate 41, under the action of the protruding portion of the cam 66, the stripper plate 61 is pushed to rise towards the direction of the third placing plate 43, so that the stripper groove 19 receives the pipeline body 9 on the pipeline conveying frame 8, and one of the stripper grooves 19 on the stripper plate 61 rises to be located at the top of the pipeline conveying frame 8.

The application can convey the pipeline body 9 on the pipeline conveying frame 8 to the placing groove 40 by arranging the unloading mechanism 6, and can convey the pipeline body 9 positioned on the placing groove 40 close to the pipeline conveying frame 8 to the placing groove 40 positioned far away from the pipeline conveying frame 8, thereby ensuring that the pipeline body 9 can be placed on a plurality of placing grooves 40.

Referring to fig. 1-4, as a preferred embodiment of the present application, the adjusting mechanism includes an adjusting member, a second hinge plate 12, a first hinge plate 11, a second traverse sliding block 17, and a first traverse sliding block 13, where the second hinge plate 12 and the first hinge plate 11 are disposed in a crossing manner, the crossing portion of the second hinge plate 12 and the first hinge plate 11 is hinged to a first lifting sliding block 15, and the first lifting sliding block 15 is slidably connected in a lifting sliding groove 5 formed on a wall of the housing frame 3; both ends of the first hinge plate 11 and the second hinge plate 12 are respectively hinged with a second traversing slide block 17 and a first traversing slide block 13, the two second traversing slide blocks 17 are respectively and slidably connected in a second traversing slide groove 18 formed in the side wall of a third placing plate 43, and the third placing plate 43 is also slidably connected with the lifting slide groove 5 through a second lifting slide block 16; the two second hinge plates 12 are respectively and slidably connected in a first traverse sliding groove 27 formed in the side wall of the first placing plate 41, and the distance between the two first traverse sliding blocks 13 is adjusted by an adjusting piece.

In one case of this embodiment, the adjusting member includes a bidirectional screw rod 14, threaded portions at two ends of the bidirectional screw rod 14 are respectively inserted into threaded grooves formed in two first traverse sliding blocks 13, and threaded portions at two ends of the bidirectional screw rod 14 are respectively in threaded connection with different first traverse sliding blocks 13, and the bidirectional screw rod 14 is further rotatably connected with the placement frame 3.

During practical application, the bidirectional screw rod 14 is driven to rotate positively and negatively through the adjusting motor, so that the function of adjusting the distance between the two first transverse sliding blocks 13 is achieved, when the distance between the two first transverse sliding blocks 13 is reduced, the third placing plate 43 can be driven to ascend under the action of the first hinge plate 11 and the second hinge plate 12, and accordingly after the placing groove 40 on the third placing plate 43 is fully filled with the pipeline body 9, the third placing plate 43 is lifted, and the unloading mechanism 6 can conveniently place the pipeline body 9 on the pipeline conveying frame 8 on the placing groove 40 on the first placing plate 41.

By arranging the adjusting mechanism, the distance between the two first transverse sliding blocks 13 can be adjusted, so that the effect of adjusting the distance between the first placing plate 41 and the third placing plate 43 can be realized, and the space required for accommodating the first placing plate 41 and the third placing plate 43 can be reduced when the pipeline body 9 is not placed; and can provide the effect of stepping down for the first placing plate 41 to receive the pipe body 9 by increasing the distance between the first placing plate 41 and the third placing plate 43 after the pipe body 9 is fully placed on the placing groove 40 of the third placing plate 43.

In order to increase the space for accommodating the duct body 9, referring to fig. 1 to 5, as a preferred embodiment of the present application, the placement mechanism 4 further includes a second placement plate 42, the second placement plate 42 is located between the first placement plate 41 and the third placement plate 43, and the second placement plate 42 is further hinged to the intersection of the second hinge plate 12 and the first hinge plate 11.

In one case of the present embodiment, the third placing plate 43 can be driven to rise while the interval between the two first traversing sliders 13 is reduced, and the second placing plate 42 is driven to the position originally belonging to the third placing plate 43, so as to prepare for the unloading mechanism 6 to carry the pipe body 9 onto the second placing plate 42.

In another case of the present embodiment, the unloading mechanism 6 may be placed in a mounting groove 7 formed in the floor 1, so that the unloading mechanism 6 can place the pipe body 9 on the pipe carrier 8 on the plurality of racks 3, respectively.

Preferably, the rack 3 is further provided with universal wheels 2.

Referring to fig. 4-6, as a preferred embodiment of the present application, the fixing mechanism is installed in the fixing plate receiving slots 23 formed at both sides of the placement slot 40, and the fixing mechanism is used for fixing the pipe body 9 on the placement slot 40.

In one case of this embodiment, the fixing mechanism includes a fixing plate 20, a connecting rod 21, a fixing hinge rod 25, a fixing slider 24 and a fixing driving shaft 22, where the fixing plate 20 is respectively disposed at two sides of the placing slot 40, and the ends of the two fixing plates 20 close to each other are respectively rotationally connected with the inner wall of the fixing plate accommodating slot 23 through the connecting rod 21, two sides of the two fixing plates 20 far away from each other are respectively hinged with the fixing hinge rod 25, one end of the fixing hinge rod 25 far away from the fixing plate 20 is hinged with the fixing slider 24, and two fixing sliders 24 located at the same placing slot 40 are respectively sleeved on the peripheries of two bidirectional threaded portions 26 at two ends of the fixing driving shaft 22 and are respectively in threaded connection with the bidirectional threaded portions 26.

In practical application, the fixed driving shaft 22 is driven to rotate forward through the fixed motor, so that the two fixed sliding blocks 24 can be driven to slide towards the direction close to each other, and the two fixed plates 20 can be pushed by the fixed hinging rod 25 to swing towards the direction close to each other to clamp and fix the pipeline body 9 on the placing groove 40, so that the stability of the pipeline body 9 on the placing groove 40 can be improved.

By arranging the fixing mechanism, the application can realize the effect of simultaneously fixing the pipeline bodies 9 on the plurality of placing grooves 40 by adjusting and fixing the angle of the driving shaft 22, thereby improving the placing stability of the pipeline bodies 9.

The application and its embodiments have been described above by way of illustration and not limitation, and the application is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present application.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (7)

1. The accommodating rack for the production of the adjustable pipeline is characterized by comprising an accommodating rack (3), an accommodating mechanism (4), a discharging mechanism (6) and an adjusting mechanism;

the placing rack (3) is placed on the floor (1);

the placing mechanism (4) is provided with two groups, the two groups of placing mechanisms (4) are arranged on two sides of the placing frame (3) at intervals, the placing mechanism (4) comprises a first placing plate (41) and a third placing plate (43) which are sequentially arranged, a plurality of placing grooves (40) for placing the pipeline body (9) are formed in the first placing plate (41) and the third placing plate (43), and the distance between the first placing plate (41) and the third placing plate (43) is adjusted through an adjusting mechanism;

the unloading mechanism (6) is positioned between the two groups of placing mechanisms (4), the unloading mechanism (6) is used for carrying a pipeline body (9) on a pipeline conveying frame (8) onto the placing grooves (40), the unloading mechanism (6) comprises an unloading plate (61), a lifting guide rod (62), a transverse moving push ring (63), a rotating shaft (64), a connecting plate (65), a cam (66) and a transverse moving guide rod (60), a unloading groove (19) matched with the placing grooves (40) is formed in one side of the unloading plate (61), the other side of the unloading plate (61) is connected with the lifting guide rod (62), the lifting guide rod (62) is inserted into a guide seat (68) and is in sliding connection with the guide seat (68), two ends of the guide seat (68) are respectively provided with a guide rod (60), one transverse moving guide rod (60) is inserted into a fixedly arranged supporting frame (67) and is in sliding connection with the supporting frame (67), and the supporting frame (67) is also connected with the guide seat (68) through a spring (69); the other transverse moving guide rod (60) is opposite to the connecting groove (10) formed in the end part of the transverse moving push ring (63), the transverse moving guide rod (60) is in contact with the end part of the connecting groove (10), the transverse moving push ring (63) is fixedly sleeved on the periphery of the rotating shaft (64), one end of the transverse moving push ring (63) provided with the connecting groove (10) is an inclined end, the two sides of the inclined end are respectively a long part and a short part, and the long part of the transverse moving push ring (63) inclined towards the cam (66) is opposite to the convex part of the cam (66);

when the end part of the lifting guide rod (62) is in contact with the concave part of the cam (66), and the transverse moving guide rod (60) is in contact with the short part of the inclined end of the transverse moving pushing ring (63), the unloading plate (61) is positioned at one side of the first placing plate (41) far away from the third placing plate (43), and the plurality of unloading grooves (19) are respectively opposite to the plurality of placing grooves (40);

when the end part of the lifting guide rod (62) is in conflict with the convex part of the cam (66), the transverse moving guide rod (60) is in conflict with the long part of the inclined end of the transverse moving pushing ring (63), the stripper plate (61) is positioned on one side of the third placing plate (43) far away from the first placing plate (41), and one of the stripper grooves (19) on the stripper plate (61) is positioned at the top of the pipeline conveying frame (8).

2. The adjustable pipe production rack according to claim 1, wherein a connecting plate (65) is arranged at one end of the lifting guide rod (62) far away from the unloading plate (61), and the connecting plate (65) is in contact with the cam (66).

3. The accommodating rack for production of the adjustable pipeline according to claim 1, wherein the adjusting mechanism comprises an adjusting piece, a second hinged plate (12), a first hinged plate (11), a second traversing slide block (17) and a first traversing slide block (13), the second hinged plate (12) and the first hinged plate (11) are arranged in a crossing way, the crossing part of the second hinged plate (12) and the first hinged plate (11) is hinged with a first lifting slide block (15), and the first lifting slide block (15) is in sliding connection with a lifting slide groove (5) formed in the shell wall of the accommodating rack (3); both ends of the first hinge plate (11) and the second hinge plate (12) are respectively hinged with a second transverse sliding block (17) and a first transverse sliding block (13), the two second transverse sliding blocks (17) are respectively and slidably connected in a second transverse sliding groove (18) formed in the side wall of a third placing plate (43), and the third placing plate (43) is also slidably connected with the lifting sliding groove (5) through a second lifting sliding block (16); the two second hinge plates (12) are respectively and slidably connected in a first transverse sliding groove (27) formed in the side wall of the first placing plate (41), and the distance between the two first transverse sliding blocks (13) is adjusted through an adjusting piece.

4. A stand for adjustable pipe production according to claim 3, characterized in that the placement mechanism (4) further comprises a second placement plate (42), the second placement plate (42) being located between the first placement plate (41) and the third placement plate (43), the second placement plate (42) being further hinged to the intersection of the second hinged plate (12) and the first hinged plate (11).

5. The rack for producing adjustable pipes according to claim 3 or 4, wherein the adjusting member comprises a bidirectional screw rod (14), threaded portions at two ends of the bidirectional screw rod (14) are respectively inserted into threaded grooves formed in the two first traversing slide blocks (13), threaded portions at two ends of the bidirectional screw rod (14) are respectively in threaded connection with the different first traversing slide blocks (13), and the bidirectional screw rod (14) is also in rotational connection with the rack (3).

6. The adjustable rack for producing pipelines according to claim 1, further comprising a fixing mechanism, wherein the fixing mechanism is installed in fixing plate accommodating grooves (23) formed on two sides of the accommodating groove (40), and the fixing mechanism is used for fixing the pipeline body (9) on the accommodating groove (40).

7. The rack for producing adjustable pipes according to claim 6, wherein the fixing mechanism comprises a fixing plate (20), a connecting rod (21), a fixing hinging rod (25), a fixing sliding block (24) and a fixing driving shaft (22), the fixing plate (20) is respectively arranged at two sides of the placing groove (40), the end parts of the two fixing plates (20) close to each other are respectively connected with the inner wall of the fixing plate accommodating groove (23) in a rotating way through the connecting rod (21), one sides of the two fixing plates (20) far away from each other are respectively hinged with the fixing hinging rod (25), one end of the fixing hinging rod (25) far away from the fixing plate (20) is hinged with the fixing sliding block (24), and the two fixing sliding blocks (24) positioned at the same placing groove (40) are respectively sleeved on the peripheries of two bidirectional threaded parts (26) at two ends of the fixing driving shaft (22) and are respectively connected with the bidirectional threaded parts (26) in a threaded way.