Auxiliary material taking mechanism of thick-wall steel pipe rolling machine

Abstract

The invention is suitable for the technical field of auxiliary equipment for steel pipe machining, and provides an auxiliary material taking mechanism of a thick-wall steel pipe rolling machine, the auxiliary material taking mechanism comprises a working frame and a first electric push rod, the working frame is slidably connected with a working plate, and one side of the working plate is fixedly connected with a concave plate; an extension assembly is arranged between the concave plate and the first electric push rod in a matched mode, a first sliding groove is formed in the other end of the working plate, a first sliding plate is slidably connected to the inner wall of the first sliding groove, and fixing units are fixedly connected to the lower end face of the first sliding plate and the lower end face of the working plate. A third sliding plate is slidably connected to the lower end of the working plate, a plurality of third sliding grooves are formed in the third sliding plate, a plurality of first bases are further fixedly connected to the lower end of the working plate, clamping plates are rotatably connected to the first bases, and tension assemblies are arranged between the clamping plates and the third sliding grooves; a second clamping assembly is arranged at one end of the clamping plate. The device has the advantages that the safety and the working efficiency are improved, and the labor intensity is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of auxiliary equipment for steel pipe processing, and in particular to an auxiliary material taking mechanism for a thick-walled steel pipe rolling machine. Background Art

[0002] In the traditional method of retrieving steel pipes, a crane (also called a bridge crane or overhead crane), a hook, a chain and other tools are used for the retrieving operation. The crane is operated by a control handle or a remote control to move the hook above the steel pipe, control the movement and lifting of the crane, and then the worker pushes the hook to accurately hook the steel pipe, and then slowly lifts the steel pipe to a certain height and moves it to the designated position.

[0003] The traditional method of steel pipe retrieval is highly dependent on manual operation. Workers need to accurately control the crane and hook to complete the retrieval. This not only increases the risk of operational errors, such as the shaking of the steel pipe caused by an unstable hook or improper driving, but also increases the probability of accidents. Workers need to operate heavy steel pipes and cranes at close range in a high-altitude environment, facing multiple safety risks such as falling, collision and falling of heavy objects.

[0004] Therefore, in view of the above situation, it is urgent to develop an auxiliary material taking mechanism for thick-walled steel pipe rolling machine to overcome the shortcomings in current practical applications. Summary of the invention

[0005] The purpose of the embodiment of the present invention is to provide an auxiliary material taking mechanism for a thick-walled steel pipe rolling machine, aiming to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] Material toggling mechanism, its both sides respectively have a cylinder pressure, and the cylinder pressure bar connects swing arm, and the swing arm end face has hook portion, and a bar passes position between the end of two swing arms and the hook portion. The cam is provided with a plurality of first and second clamping assemblies, and the plurality of first and second clamping assemblies are fixed to the inner walls of the two ends of the steel pipe in a mutually cooperating manner; a third slide plate is slidably connected to the lower end surface of the working plate, and one end of the third slide plate is fixedly connected to the third electric push rod, and the third slide plate is provided with a plurality of symmetrically distributed third slide grooves. The lower end of the working plate is also fixedly connected to a plurality of symmetrically distributed first bases, and the first base and the third slide groove correspond to each other, a clamping plate is rotatably connected to the first base, and a pulling assembly is cooperated between the clamping plate and the third slide groove, and the pulling assembly is used to drive the clamping plate to rotate around the first base, and one end of the clamping plate is cooperated with a second clamping assembly, and the plurality of second clamping assemblies are fixed to the side of the steel pipe in a mutually cooperating manner, and a supporting connecting rod is also fixedly connected to the clamping plate, and the supporting connecting rod is cooperatively connected to the thrust assembly.

[0008] According to a further technical solution, two first guide rails symmetrically distributed about the first slide groove are fixedly connected to the upper end surface of the working plate, the first guide rails are slidably connected to the first slide plate, and a second electric push rod is also fixedly connected to the working plate, and the driving end of the second electric push rod is fixedly connected to one end surface of the first slide plate.

[0009] A further technical solution is that the extension component includes a fixed rod, a first ring, a first rotating plate, a first rotating shaft and a second ring; a fixed rod is fixedly connected to the upper end of the working frame, and two first rings are rotatably sleeved on the outer wall of the fixed rod, and the outer walls of the first rings are rotatably connected with multiple first rotating plates head to tail, the first first rotating plate is fixedly connected to the outer wall of the first ring, and the last first rotating plate is rotatably connected to the inner wall of the concave plate, and the corresponding first rotating plates on different first rings are rotatably connected with the first rotating shafts, one of the first rotating shafts passes through the first rotating plate and is fixedly sleeved with a second ring, and the outer wall of the second ring is fixedly connected to the drive shaft of the first electric push rod.

[0010] A further technical solution is that the thrust assembly includes a second slide groove, a return plate, a rack, a gear, a connecting ear and a second rotating plate; one end of the second rotating shaft is fixedly connected to the gear; a second slide groove is opened on one end face of the connecting plate, and the inner wall of the second slide groove is slidably connected to the return plate, a rack is fixedly provided on one side of the inner wall of the return plate, and the rack is meshed with the gear, and the outer wall of the return plate is fixedly connected to two symmetrically distributed connecting ears, the connecting ears are rotatably connected to the second rotating plate, and the other end of the second rotating plate is cooperatively connected to the supporting connecting rod.

[0011] A further technical solution is that the first clamping assembly includes a second guide rail, a first slider, a fan-shaped top ring, a third rotating plate and a fourth rotating plate; the second guide rail is fixedly connected to one end face of the connecting plate, the first slider is slidably connected to the second guide rail, the first slider is fixedly connected to the fan-shaped top ring, the first slider is also rotatably connected to the third rotating plate, the other end of the third rotating plate is rotatably connected to the fourth rotating plate, and the other end of the fourth rotating plate is fixedly connected to the rotating plate.

[0012] According to a further technical solution, the second clamping assembly includes a first clamping block, a second clamping block and a third clamping block; one end of the clamping plate is rotatably connected to the first clamping block, the inner walls on both sides of the first clamping block are rotatably connected to the second clamping blocks, and the inner walls on both sides of the second clamping block are rotatably connected to the third clamping blocks.

[0013] According to a further technical solution, a plurality of evenly distributed friction plates are fixedly provided on the third clamping block, and the friction plates are arc-shaped and fit the side walls of the working plate.

[0014] The present invention drives the working plate to slide by means of the cooperation of an extension component and a first electric push rod, fixes the two ends of a steel pipe by means of the cooperation of two fixing units, drives the second rotating shaft to rotate by means of a thrust component, fixes the inner walls of the two ends of the steel pipe by means of the cooperation of a plurality of first clamping components, drives the clamping plate to rotate around the first base by means of a tension component, fixes the side surface of the steel pipe by means of the cooperation of a plurality of second clamping components, drives the connecting plate to move by means of the cooperation of the first slide plate and the second electric push rod, thereby adjusting the distance between the two fixing units, and has the effects of improving safety, enhancing work efficiency, reducing labor costs, improving the working environment, and reducing labor intensity.

[0015] In order to more clearly illustrate the structural features and effects of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0017] Figure 2 A schematic diagram of a three-dimensional structure from another viewing angle of the present invention;

[0018] Figure 3 For the present invention Figure 1 A schematic diagram of the enlarged three-dimensional structure at center A;

[0019] Figure 4 For the present invention Figure 2 A schematic diagram of the enlarged three-dimensional structure at B in the middle;

[0020] Figure 5 For the present invention Figure 2 Schematic diagram of the three-dimensional structure of the middle part;

[0021] Figure 6 For the present invention Figure 5 The enlarged three-dimensional structure diagram at C in the middle;

[0022] Figure 7 For the present invention Figure 5 The enlarged three-dimensional structure diagram at D in the middle;

[0023] Figure 8 For the present invention Figure 5 Schematic diagram of the three-dimensional structure of the middle part;

[0024] Fig. 9 For the present invention Figure 8 Schematic diagram of the enlarged three-dimensional structure at E in the middle.

[0025] In the figure: 1, lifting and moving platform; 2, working frame; 3, working plate; 4, first electric push rod; 5, concave plate; 6, extension assembly; 61, fixing rod; 62, first ring; 63, first rotating plate; 64, first rotating shaft; 65, second ring; 7, first slide; 8, first slide plate; 9, second electric push rod; 10, first guide rail; 11, connecting plate; 12, thrust assembly; 121, second slide; 122, return plate; 123, rack; 124, gear; 125, connecting ear; 126, second rotating plate; 13, second rotating shaft; 14, rotating Rotating plate; 15, first clamping assembly; 151, second guide rail; 152, first slider; 153, fan-shaped top ring; 154, third rotating plate; 155, fourth rotating plate; 16, third slide plate; 17, third slide groove; 18, first base; 19, clamping plate; 20, tension assembly; 201, fifth rotating plate; 202, second slider; 203, second base; 21, supporting connecting rod; 22, second clamping assembly; 221, first clamping block; 222, second clamping block; 223, third clamping block; 224, friction plate; 23, third electric push rod. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0027] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0028] like Figure 1-9As shown, the embodiment of the present invention provides an auxiliary material-retrieving mechanism for a thick-walled steel pipe rolling machine, comprising a lifting and moving platform 1 and a working frame 2, the lifting and moving platform 1 is fixedly provided with the working frame 2, a cushion block (not marked in the figure) is fixedly connected to the working frame 2, a first electric push rod 4 is fixedly installed on the cushion block, a working plate 3 is also slidably connected to the working frame 2, a concave plate 5 is fixedly connected to the side of the working plate 3 close to the first electric push rod 4, and an extension component 6 is cooperated between the concave plate 5 and the first electric push rod 4, the extension component 6 drives the working plate 3 to slide by cooperating with the first electric push rod 4, The other end of the working plate 3 is provided with a first slide groove 7, and the inner wall of the first slide groove 7 is slidably connected to a first slide plate 8, and the lower end of the first slide plate 8 and the lower end surface of the working plate 3 away from the first slide groove 7 are fixedly connected with a fixing unit, and the two fixing units are symmetrical to each other, and the two fixing units fix the two ends of the steel pipe by cooperating with each other. The fixing unit includes a connecting plate 11, a thrust assembly 12 and a first clamping assembly 15, and the connecting plate 11 is rotatably connected to a second rotating shaft 13, and one end of the second rotating shaft 13 is cooperated with a thrust assembly 12, and the thrust assembly 12 is used to push the second rotating shaft 13 to rotate. The other end of the second rotating shaft 13 is fixedly connected to a rotating plate 14, on which a plurality of first clamping assemblies 15 are arranged, and one end face of the first clamping assembly 15 is fixedly connected to the connecting plate 11, and the plurality of first clamping assemblies 15 fix the inner walls of both ends of the steel pipe by cooperating with each other; a third slide plate 16 is slidably connected to the lower end face of the working plate 3, one end of the third slide plate 16 is fixedly connected to a third electric push rod 23, and the third electric push rod 23 is fixedly connected to the lower end face of the working plate 3, a plurality of symmetrically distributed third slide grooves 17 are provided on the third slide plate 16, and the lower end of the working plate 3 is also fixed It is connected to a plurality of symmetrically distributed first bases 18, and the first bases 18 correspond to the third slide grooves 17. A clamping plate 19 is rotatably connected to the first base 18, and a tension component 20 is provided between the clamping plate 19 and the third slide groove 17. The tension component 20 is used to drive the clamping plate 19 to rotate around the first base 18. One end of the clamping plate 19 is provided with a second clamping component 22. The plurality of second clamping components 22 fix the side of the steel pipe by cooperating with each other. A support link 21 is also fixedly connected to the clamping plate 19, and the support link 21 is cooperatively connected to the thrust component 12.

[0029] It is understandable that the lifting and moving platform 1 is a prior art and will not be described here. The lower end of the first slide plate 8 and the lower end surface of the working plate 3 away from the first slide groove 7 are fixedly connected to the connecting plate 11.

[0030] Furthermore, the upper end surface of the working plate 3 is fixedly connected with two first guide rails 10 symmetrically distributed about the first slide groove 7, the first guide rails 10 are slidably connected to the first slide plate 8, and the working plate 3 is also fixedly connected with a second electric push rod 9, and the driving end of the second electric push rod 9 is fixedly connected to one end surface of the first slide plate 8, and the first slide plate 8 drives the connecting plate 11 to move by cooperating with the second electric push rod 9.

[0031] In the embodiment of the present invention, the working plate 3 is driven to slide by the cooperation of the extension component 6 and the first electric push rod 4, the two ends of the steel pipe are fixed by the cooperation of the two fixing units, the second rotating shaft 13 is pushed to rotate by the thrust component 12, the inner walls of the two ends of the steel pipe are fixed by the cooperation of multiple first clamping components 15, the clamping plate 19 is driven to rotate around the first base 18 by the tension component 20, the side of the steel pipe is fixed by the cooperation of multiple second clamping components 22, and the connecting plate 11 is driven to move by the cooperation of the first slide plate 8 and the second electric push rod 9, so as to adjust the distance between the two fixing units, which has the effects of improving safety, improving work efficiency, reducing labor costs, improving working environment and reducing labor intensity.

[0032] like Figure 1 and Figure 3 As shown, the extension component 6 includes a fixed rod 61, a first ring 62, a first rotating plate 63, a first rotating shaft 64 and a second ring 65; the upper end of the working frame 2 is fixedly connected to the fixed rod 61, and the outer wall of the fixed rod 61 is rotatably sleeved with two first rings 62, and the outer walls of the first rings 62 are rotatably connected with multiple first rotating plates 63 at the head and tail, the first first rotating plate 63 is fixedly connected to the outer wall of the first ring 62, and the last first rotating plate 63 is rotatably connected to the inner wall of the concave plate 5, and the corresponding first rotating plates 63 on different first rings 62 are rotatably connected with the first rotating shaft 64, one of the first rotating shafts 64 passes through the first rotating plate 63 and is fixedly sleeved with the second ring 65, and the outer wall of the second ring 65 is fixedly connected to the driving shaft of the first electric push rod 4.

[0033] In specific application, the first electric push rod 4 drives the second ring 65 to move, and then the second ring 65 drives multiple first rotating plates 63 to expand or contract through the first rotating shaft 64, and then the first rotating plate 63 drives the concave plate 5 to move, and then the concave plate 5 drives the working plate 3 to slide.

[0034] like Figure 2 , Figure 4 and Figure 8As shown, the thrust assembly 12 includes a second slide groove 121, a return plate 122, a rack 123, a gear 124, a connecting ear 125 and a second rotating plate 126; one end of the second rotating shaft 13 is fixedly connected to the gear 124; one end face of the connecting plate 11 is provided with a second slide groove 121, and the inner wall of the second slide groove 121 is slidably connected to the return plate 122, a rack 123 is fixedly provided on one side of the inner wall of the return plate 122, and the rack 123 is meshed with the gear 124, and the outer wall of the return plate 122 is fixedly connected to two symmetrically distributed connecting ears 125, and the connecting ears 125 are rotatably connected to the second rotating plate 126, and the other end of the second rotating plate 126 is cooperatively connected to the supporting connecting rod 21.

[0035] It can be understood that, in order to accommodate pipes of different diameters, the second rotating plate 126 can be replaced with different lengths.

[0036] In specific application, the supporting connecting rod 21 rotates around the first base 18, and then the supporting connecting rod 21 drives the connecting ear 125 to move through the second rotating plate 126, and then the connecting ear 125 drives the return plate 122 to slide on the inner wall of the second slide groove 121, and then the return plate 122 drives the gear 124 to rotate through the rack 123, and then the gear 124 drives the second rotating shaft 13 to rotate.

[0037] like Figure 5 and Figure 6 As shown, the first clamping assembly 15 includes a second guide rail 151, a first slider 152, a fan-shaped top ring 153, a third rotating plate 154 and a fourth rotating plate 155; one end face of the connecting plate 11 is fixedly connected to the second guide rail 151, the first slider 152 is slidably connected to the second guide rail 151, the first slider 152 is fixedly connected to the fan-shaped top ring 153, the first slider 152 is also rotatably connected to the third rotating plate 154, the other end of the third rotating plate 154 is rotatably connected to the fourth rotating plate 155, and the other end of the fourth rotating plate 155 is fixedly connected to the rotating plate 14.

[0038] In specific applications, the second rotating shaft 13 drives the rotating plate 14 to rotate, and then the rotating plate 14 drives the fourth rotating plate 155 to rotate around the second rotating shaft 13, and then the fourth rotating plate 155 drives the first slider 152 to slide on the second guide rail 151 through the third rotating plate 154, and the first slider 152 synchronously drives the fan-shaped top ring 153 to move, thereby abutting against the inner walls of the two ends of the steel pipe or staying away from the inner walls of the two ends of the steel pipe.

[0039] like Figure 5 and Figure 7As shown, the second clamping assembly 22 includes a first clamping block 221, a second clamping block 222 and a third clamping block 223; one end of the clamping plate 19 is rotatably connected to the first clamping block 221, the inner walls on both sides of the first clamping block 221 are rotatably connected to the second clamping blocks 222, and the inner walls on both sides of the second clamping block 222 are rotatably connected to the third clamping blocks 223.

[0040] Furthermore, a plurality of evenly distributed friction plates 224 are fixedly disposed on the third clamping block 223 , and the friction plates 224 are arc-shaped and fit the side wall of the working plate 3 .

[0041] It can be understood that the second clamping assembly 22 is used to hold the side wall of the steel pipe and is located at a height lower than the radius of the steel pipe. The friction plate 224 is used to increase the friction between the side wall of the steel pipe and the third clamping block 223 .

[0042] In specific application, the clamping plate 19 drives the first clamping block 221 to approach the side wall of the steel pipe, and then under the reverse pressure of the side wall of the steel pipe, the second clamping block 222 and the third clamping block 223 rotate respectively to fit the side wall of the steel pipe.

[0043] The working principle of the present invention is: first, the lifting and moving platform 1 is controlled to move to a suitable position, and then the lifting and moving platform 1 drives the working frame 2 to rise, and then the first electric push rod 4 is controlled to extend, and then the first electric push rod 4 drives the second ring 65 to move, and then the second ring 65 drives multiple first rotating plates 63 to unfold through the first rotating shaft 64, and then the first rotating plate 63 drives the concave plate 5 to move, and then the concave plate 5 drives the working plate 3 to slide, and then the lifting and moving platform 1 is controlled to drive the working frame 2 to descend to a suitable position, and then the third electric push rod 23 is extended, and then the driving shaft of the third electric push rod 23 drives the third slide plate 16 to slide, and then the third slide plate 16 drives the bilaterally symmetrical pulling components 20 to approach each other through the third slide groove 17, and then the second slider 202 drives the second base 203 to move, and then the second base 203 drives the clamping plate 19 to rotate around the first base 18 through the fifth rotating plate 201, so that the two clamping plates 19 approach each other, and the clamping plate 19 drives the first clamping block 221 to approach the side wall of the steel pipe, and then under the reverse pressure of the side wall of the steel pipe, the second The clamping block 222 and the third clamping block 223 rotate respectively to fit the side wall of the steel pipe; the clamping plate 19 synchronously drives the supporting connecting rod 21 to rotate around the first base 18, the supporting connecting rod 21 rotates around the first base 18, and then the supporting connecting rod 21 drives the connecting ear 125 to move through the second rotating plate 126, and then the connecting ear 125 drives the return plate 122 to slide on the inner wall of the second slide groove 121, and then the return plate 122 drives the gear 124 to rotate through the rack 123, and then the gear 124 drives the second rotating shaft 13 to rotate, and the second rotating shaft 13 rotates. The shaft 13 drives the rotating plate 14 to rotate, and then the rotating plate 14 drives the fourth rotating plate 155 to rotate around the second rotating shaft 13, and then the fourth rotating plate 155 drives the first slider 152 to slide on the second guide rail 151 through the third rotating plate 154, and the first slider 152 synchronously drives the fan-shaped top ring 153 to move, thereby abutting against the inner walls of both ends of the steel pipe, and then the first electric push rod 4 is controlled to shrink, thereby driving the steel pipe to leave the rolling machine, and then the lifting and moving platform 1 is controlled to drive the work frame 2 to descend, and then the third electric push rod 23 shrinks to release the steel pipe. In addition, the first slide plate 8 is driven to slide by the second electric push rod 9, and then the first slide plate 8 drives one of the fixed units to slide on the outer wall of the supporting connecting rod 21, thereby adjusting the distance between the two fixed units to adapt to steel pipes of different lengths.

[0044] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An auxiliary material taking mechanism for a thick-walled steel pipe rolling machine, comprising a lifting and moving platform and a working frame, wherein the lifting and moving platform is fixedly provided with the working frame, a cushion block is fixedly connected to the working frame, and a first electric push rod is fixedly installed on the cushion block, characterized in that: The cam is provided with a first end for camming the first and second ends of the second moving members, and the second end for camming the first and second moving members is provided with a second end for camming the second moving members. The top is provided with a plurality of first clamping assemblies, and the plurality of first clamping assemblies fix the inner walls of both ends of the steel pipe by cooperating with each other; a third slide is slidably connected to the lower end surface of the working plate, and one end of the third slide is fixedly connected to the third electric push rod, and the third slide is provided with a plurality of symmetrically distributed third slide grooves, and the lower end of the working plate is also fixedly connected to a plurality of symmetrically distributed first bases, and the first base and the third slide groove correspond to each other, a clamping plate is rotatably connected to the first base, and a pulling assembly is cooperated with the clamping plate and the third slide groove, and the pulling assembly is used to drive the clamping plate to rotate around the first base, and one end of the clamping plate is cooperated with a second clamping assembly, and the plurality of second clamping assemblies fix the side of the steel pipe by cooperating with each other, and a supporting connecting rod is also fixedly connected to the clamping plate, and the supporting connecting rod is cooperatively connected to the thrust assembly.

2. The auxiliary material taking mechanism of the thick-walled steel pipe rolling machine according to claim 1 is characterized in that: The upper end surface of the working plate is fixedly connected to two first guide rails symmetrically distributed about the first slide groove, the first guide rails are slidably connected to the first slide plate, and the working plate is also fixedly connected to a second electric push rod, and the driving end of the second electric push rod is fixedly connected to one end surface of the first slide plate.

3. The auxiliary material taking mechanism of the thick-walled steel pipe rolling machine according to claim 1 is characterized in that: The extension assembly includes a fixing rod, a first collar, a first rotating plate, a first rotating shaft and a second collar; A fixed rod is fixedly connected to the upper end of the working frame, and two first rings are rotatably sleeved on the outer wall of the fixed rod. The outer walls of the first rings are rotatably connected with multiple first rotating plates head to tail, the first first rotating plate is fixedly connected to the outer wall of the first ring, and the last first rotating plate is rotatably connected to the inner wall of the concave plate, and the corresponding first rotating plates on different first rings are rotatably connected with first rotating shafts, one of the first rotating shafts passes through the first rotating plate and is fixedly sleeved with a second ring, and the outer wall of the second ring is fixedly connected to the driving shaft of the first electric push rod.

4. The auxiliary material taking mechanism of the thick-walled steel pipe rolling machine according to claim 1 is characterized in that: The thrust assembly includes a second slide groove, a return plate, a rack, a gear, a connecting ear and a second rotating plate; One end of the second rotating shaft is fixedly connected to a gear; a second sliding groove is opened on one end surface of the connecting plate, and a return plate is slidably connected to the inner wall of the second sliding groove, a rack is fixedly set on one side of the inner wall of the return plate, and the rack is meshed with the connected gear, and two symmetrically distributed connecting ears are fixedly connected to the outer wall of the return plate, and the second rotating plate is rotatably connected to the connecting ears, and the other end of the second rotating plate is cooperatively connected to the supporting connecting rod.

5. The auxiliary material taking mechanism of the thick-walled steel pipe rolling machine according to claim 4 is characterized in that: The first clamping assembly includes a second guide rail, a first slider, a fan-shaped top ring, a third rotating plate and a fourth rotating plate; A second guide rail is fixedly connected to one end face of the connecting plate, a first slider is slidably connected to the second guide rail, a fan-shaped top ring is fixedly connected to the first slider, a third rotating plate is also rotatably connected to the first slider, the other end of the third rotating plate is rotatably connected to the fourth rotating plate, and the other end of the fourth rotating plate is fixedly connected to the rotating plate.

6. The auxiliary material taking mechanism of the thick-walled steel pipe rolling machine according to claim 1, characterized in that: The second clamping assembly includes a first clamping block, a second clamping block and a third clamping block; one end of the clamping plate is rotatably connected to the first clamping block, the inner walls on both sides of the first clamping block are rotatably connected to the second clamping blocks, and the inner walls on both sides of the second clamping block are rotatably connected to the third clamping blocks.

7. The auxiliary material taking mechanism of the thick-walled steel pipe rolling machine according to claim 6, characterized in that: A plurality of evenly distributed friction plates are fixedly arranged on the third clamping block, and the friction plates are arc-shaped and fit the side walls of the working plate.

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