Multi-specification steel bar thread rolling machining device

Abstract

The invention provides a multi-specification steel bar thread rolling machining device. A ground rail assembly is installed on the ground; the telescopic supporting assembly is installed on the ground rail assembly, the length of the telescopic supporting assembly can be adjusted, and the telescopic supporting assembly is suitable for thread rolling machining of reinforcing steel bars of various specifications. The movable thread rolling machine is connected with one end of the telescopic supporting assembly and movably installed above the ground rail assembly. The fixed thread rolling machine is connected with the other end of the telescopic supporting assembly and fixedly installed on the ground. The driving part is installed on the movable thread rolling machine and the ground rail assembly and drives the movable thread rolling machine to move along the ground rail assembly. When the specification of the reinforcing steel bar changes, the distance between the thread rolling machines at the two ends can be adjusted according to the specific length of the reinforcing steel bar by means of cooperative work of the ground rail assembly, the telescopic support assembly and the movable thread rolling machines, professionals do not need to arrive at the site, and the reinforcing steel bar supporting support in the middle does not need to be manually adjusted. When the field is insufficient, the device can still work normally after the short ground rail part is dismantled.

Description

Technical Field

[0001] The invention relates to the technical field of steel bar processing, and in particular to a multi-specification steel bar thread rolling processing device. Background Art

[0002] In the actual application of steel bars, in order to ensure the effective connection between the steel bars, the two ends of the steel bars need to be threaded. However, the thread rolling equipment currently on the market generally faces limitations, that is, it can only perform thread rolling operations on steel bars of a specific length. Once the length of the steel bar changes, professional technicians need to intervene and manually adjust the position of the thread rolling mechanism at both ends of the equipment to adapt to the processing requirements of the new length of steel bars. This process is not only cumbersome, but also relies on heavy auxiliary equipment such as tower cranes, and requires at least two auxiliary personnel to work together. It can be seen that this operation mode significantly increases the consumption of manpower and material resources, resulting in a waste of resources and extremely low efficiency. Summary of the invention

[0003] In view of the defects in the prior art, the object of the present invention is to provide a multi-specification steel bar thread rolling processing device.

[0004] According to one aspect of the present invention, there is provided a multi-specification steel bar thread rolling processing device, comprising:

[0005] A ground rail assembly, wherein the ground rail assembly is installed on the ground;

[0006] A telescopic support assembly, which is installed on the ground rail assembly and has a telescopic length, and is suitable for thread rolling processing of steel bars of various specifications;

[0007] A mobile thread rolling machine, the mobile thread rolling machine is connected to one end of the telescopic support assembly and is movably installed above the ground rail assembly;

[0008] A fixed thread rolling machine is connected to the other end of the telescopic support assembly and is fixedly installed on the ground.

[0009] A driving unit is installed on the mobile thread rolling machine and the ground rail assembly, and drives the mobile thread rolling machine to move along the ground rail assembly.

[0010] Preferably, the ground rail assembly comprises:

[0011] A support frame, wherein the support frame is fixed to the ground;

[0012] A slide rail is installed on the top of the support frame; wherein the slide rail includes a spliced ​​long slide rail and a short slide rail.

[0013] Preferably, the telescopic support assembly comprises:

[0014] A first fixed bracket, the fixed bracket being fixedly connected to the mobile thread rolling machine;

[0015] A second fixed bracket, the fixed bracket is fixedly connected to the fixed thread rolling machine;

[0016] An external bracket, wherein a plurality of the external brackets are arranged between the first fixed bracket and the second fixed bracket, and the bottom of the external brackets is movably connected to the ground rail assembly;

[0017] Inner brackets, a plurality of the inner brackets are arranged between the first fixed bracket and the second fixed bracket, and the bottoms of the inner brackets are movably connected to the ground rail assembly; the inner brackets and the outer brackets are spaced apart from each other;

[0018] A connecting plate, wherein a plurality of the connecting plates connect the first fixed bracket, the outer bracket, the inner bracket and the second fixed bracket together; the connecting plates, as well as the connecting plates and each bracket are connected by hinges.

[0019] Preferably,

[0020] The outer bracket comprises:

[0021] An outer frame, the outer frame forming a frame-like structure;

[0022] An outer guide wheel group, wherein two outer guide wheel groups are respectively installed on two sides of the bottom of the outer frame;

[0023] The inner support comprises:

[0024] An inner frame, wherein the inner frame forms a frame structure,

[0025] An inner guide wheel group, wherein two inner guide wheel groups are respectively installed on two sides of the bottom of the inner frame;

[0026] The outer guide wheel group and the inner guide wheel group are oriented in opposite directions and are installed relative to each other.

[0027] Preferably, the outer guide wheel group and the inner guide wheel group have the same structure, both comprising two layers of guide wheels, wherein:

[0028] The first layer of guide wheels is two rollers, which are symmetrically installed on both sides of the bottom of the outer frame / inner frame;

[0029] The second layer of guide wheels is two conical wheels, and the two conical wheels are correspondingly installed under the two rollers;

[0030] The slide rail of the ground rail assembly is inserted between the roller and the conical wheel; the roller is provided with a rib to prevent the inner and outer brackets from running off; the conical wheel fits with the lower surface of the slide rail to limit the rollover of the inner and outer brackets.

[0031] Preferably, a guide plate is installed on the top of the outer frame and the inner frame.

[0032] Preferably, the outer bracket / inner bracket located between the first fixing bracket and the second fixing bracket is an auxiliary bracket;

[0033] The auxiliary bracket comprises:

[0034] An auxiliary frame, a guide wheel assembly is installed at the bottom of the auxiliary frame;

[0035] A supporting rod, the supporting rod being arranged above the auxiliary frame;

[0036] A lifting cylinder, a plurality of the lifting cylinders are installed on the auxiliary frame, and telescopic rods of the lifting cylinders support the supporting rod.

[0037] Preferably, a slide groove is provided on the top of the support rod;

[0038] The auxiliary bracket also includes:

[0039] A push-pull cylinder, which is transversely arranged inside the support rod;

[0040] A push plate is arranged in the slide groove, a part of which is higher than the support rod, and the other part is connected to the push-pull cylinder.

[0041] Preferably, the driving unit comprises:

[0042] A motor, wherein the motor is installed on the mobile thread rolling machine;

[0043] A reducer connected to an output end of the motor;

[0044] A gear, the gear being fixed to an output end of the reducer;

[0045] A rack is installed on the ground rail assembly.

[0046] Preferably, the mobile thread rolling machine and the fixed thread rolling machine are both equipped with a length detector; the length detector comprises:

[0047] A detection cylinder, wherein the output end of the detection cylinder is arranged along the length direction of the steel bar;

[0048] A detection push plate connected to the output end of the detection cylinder;

[0049] An electronic ruler is connected to the detection push plate.

[0050] Preferably, it also includes: a raw material rack, which is located on one side of the ground rail assembly and is used to store steel bar raw materials.

[0051] Preferably, it also includes: a finished product rack, which is located on one side of the ground rail assembly and is used to stack the finished steel bars that have completed the thread rolling process.

[0052] Compared with the prior art, the embodiments of the present invention have at least the following beneficial effects:

[0053] A multi-specification steel bar thread rolling processing device according to an embodiment of the present invention, when the steel bar specifications change, relying on the coordinated work of the ground rail assembly, the telescopic bracket assembly and the mobile thread rolling machine, can adjust the distance between the thread rolling machines at both ends according to the specific length of the steel bar, without the need for professional personnel to arrive at the site, and the middle steel bar support bracket does not need to be manually adjusted.

[0054] A multi-specification steel bar thread rolling processing device according to an embodiment of the present invention can still work normally even if the short ground rail part is removed when there is insufficient space.

[0055] In a multi-specification steel bar thread rolling processing device according to an embodiment of the present invention, the guide wheels of the inner bracket and the outer bracket are distributed on both sides of the ground rail, and no interference occurs between two adjacent inner brackets and outer brackets, thereby effectively shortening the distance between the two thread rolling machines. BRIEF DESCRIPTION OF THE DRAWINGS

[0056] Other features, objects and advantages of the present invention will become more apparent from the detailed description of non-limiting embodiments made with reference to the following drawings:

[0057] Figure 1 It is a schematic diagram of the overall structure of a multi-specification steel bar thread rolling processing device in one embodiment of the present invention;

[0058] Figure 2 It is a structural schematic diagram of a multi-specification steel bar thread rolling processing device in a preferred embodiment of the present invention, in which a raw material rack and a finished product rack are added;

[0059] Figure 3 It is a schematic structural diagram of a ground rail assembly in a preferred embodiment of the present invention;

[0060] Figure 4 It is a structural schematic diagram of a telescopic support assembly in a preferred embodiment of the present invention;

[0061] Figure 5 It is a schematic structural diagram of an external support in a preferred embodiment of the present invention;

[0062] Figure 6 It is a schematic structural diagram of an inner support in a preferred embodiment of the present invention;

[0063] Figure 7 It is a schematic structural diagram of a roller in a preferred embodiment of the present invention;

[0064] Figure 8 It is a structural schematic diagram of a conical wheel in a preferred embodiment of the present invention;

[0065] Fig. 9 A schematic structural diagram of an auxiliary bracket in a preferred embodiment of the present invention from a side view;

[0066] Fig.10 It is a structural schematic diagram of another side view of the auxiliary bracket in a preferred embodiment of the present invention;

[0067] Fig.11 It is a schematic structural diagram of a push plate of an auxiliary bracket in a preferred embodiment of the present invention;

[0068] Fig.12 A side view of a multi-specification steel bar thread rolling processing device in a preferred embodiment of the present invention;

[0069] Fig.13 It is a structural schematic diagram of installing a length detector at a fixed thread rolling machine end in a preferred embodiment of the present invention;

[0070] Fig.14 It is a structural schematic diagram of a length detector in a preferred embodiment of the present invention;

[0071] Fig.15 It is a schematic diagram of the mechanism of a thread rolling mobile machine in a preferred embodiment of the present invention, which integrates functions such as thread rolling, grinding, and rib stripping.

[0072] In the figure:

[0073] 100-ground rail assembly, 101-support frame, 102-slide rail;

[0074] 200-telescopic support assembly, 201-first fixed support, 202-second fixed support, 203-outer support, 204-inner support, 205-connecting plate, 206-guide plate, 207-lifting cylinder, 208-support rod, 209-push plate, 210-push-pull cylinder;

[0075] 2031-external frame, 2032-external guide wheel set; 2041-inner frame, 2042-guide wheel set, 21-roller, 22-conical wheel;

[0076] 300-mobile thread rolling machine, 301-grinding machine, 302-thread rolling machine, 303-rib stripping machine;

[0077] 400-Fixed thread rolling machine;

[0078] 500-Raw material rack;

[0079] 600- finished product rack, 601- finished product storage rack 601;

[0080] 700- driving unit;

[0081] 800-length detector, 801-measuring cylinder, 802-measuring push plate, 803-electronic ruler. DETAILED DESCRIPTION

[0082] The present invention is described in detail below in conjunction with specific embodiments. The following embodiments will help those skilled in the art to further understand the present invention, but are not intended to limit the present invention in any form. It should be noted that, for those of ordinary skill in the art, several variations and improvements may be made without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0083] In view of the defect that the thread rolling process of steel bars of different lengths and specifications in the prior art consumes a huge amount of manpower and material resources, in one embodiment of the present invention, a multi-specification steel bar thread rolling process device is provided, which mainly includes: a ground rail assembly 100, a telescopic support assembly 200, a mobile thread rolling machine 300, a fixed thread rolling machine 400 and a driving unit 700, such as Figure 1 As shown,

[0084] The ground rail assembly 100 is installed on the ground; the telescopic support assembly 200 is installed on the ground rail assembly 100, and its length can be extended to support steel bars of different lengths; the mobile thread rolling machine 300 is connected to one end of the telescopic support assembly 200 and is movably installed above the ground rail assembly 200; the fixed thread rolling machine 400 is connected to the other end of the telescopic support assembly 200 and is fixedly installed on the ground. The driving unit 700 is installed on the mobile thread rolling machine 300 and the ground rail assembly 100, and drives the mobile thread rolling machine 300 to move along the ground rail assembly 100.

[0085] The above embodiment, relying on the coordinated work of the ground rail assembly, the telescopic bracket assembly and the mobile thread rolling machine, can intelligently adjust the distance between the thread rolling machines at both ends according to the specific length of the steel bar to accurately match the specification requirements of the steel bar to be processed. This design significantly reduces the dependence on large equipment and reduces labor costs, because the entire processing process does not require the direct participation of multiple staff members, thereby greatly improving work efficiency.

[0086] In order to arrange the steel bars in an orderly manner, a raw material rack 500 and a finished product rack 600 are designed in a preferred embodiment of the present invention. Figure 2 As shown, the raw material rack 500 is a rack welded from square tubes and fixed to the ground by expansion screws. The side of the raw material rack 500 close to the ground rail assembly is tilted downward for easy transportation to the processing station; the other side is raised to prevent the placed steel bars from falling.

[0087] Similarly, the finished product rack 600 is placed on the other side of the entire multi-specification steel bar thread rolling processing device, which includes a plurality of finished product storage racks 601. Each finished product storage rack 601 is constructed of a plurality of steel pipes, such as Figure 2 The bottom is fixed to the ground by pins, and a diagonal rod is provided on one side close to the ground rail assembly and a groove is provided on the other side. The finished steel bar slides down along the diagonal rod and falls into the groove for storage.

[0088] The main function of the ground rail assembly 100 is to provide support and guidance for the mobile thread rolling machine and the telescopic support assembly. In order to better achieve the above functions, in a preferred embodiment of the present invention, the ground rail assembly 100 is composed of a support frame 101 fixed to the ground and a slide rail 102 arranged on the top of the support frame. Specifically, Figure 3 As shown, the slide rail 102 is composed of a long slide rail and a short slide rail. The support frame is also divided into two supporting parts, respectively supporting the long slide rail and the short slide rail.

[0089] Most of the steel bar raw materials are 12m and 9m. Therefore, in some specific embodiments, when processing 12m steel bars, the ground rail is relatively long, and the short ground rail (support frame and slide rail) and the long ground rail (support frame and slide rail) can be spliced ​​by bolt connection to increase the moving range of the mobile thread rolling machine.

[0090] In order to ensure that the mobile thread rolling machine moves along with the telescopic support assembly during the telescopic movement, in one embodiment, a gear is installed at the bottom of the mobile thread rolling machine, and a rack is installed on the inner side of the slide rail of the ground rail assembly shared with the mobile thread rolling machine, so that the mobile thread rolling machine and the telescopic support assembly can move synchronously on the slide rail.

[0091] The main function of the telescopic support assembly 200 is to support steel bars. The telescopic length can support steel bars of different lengths. In order to achieve better telescopic and support, the telescopic support assembly 200 of a preferred embodiment of the present invention is composed of a first fixed bracket 201, a second fixed bracket 202, an outer bracket 203, an inner bracket 204 and a connecting plate 205. Specifically, as Figure 4 As shown, the first fixed bracket 201 is mounted on one end of the floor rail assembly 100 and is fixedly connected to the movable thread rolling device 300. No roller is provided at the bottom thereof and there is no contact with the slide rail.

[0092] The second fixed bracket 202 is also mounted on the other end of the ground rail assembly 200 and is fixedly connected to the fixed thread rolling device 400. The outer bracket 203 and the inner bracket 204 are spaced apart and mounted on the ground rail assembly 100, and are located between the first fixed bracket 201 and the second fixed bracket 202. The outer bracket 203 and the inner bracket 204 are both installed with guide wheel assemblies at the bottom to move on the ground rail assembly.

[0093] A plurality of connecting plates 205 connect the first fixing bracket 201, the second fixing bracket 202, the outer bracket 203, and the inner bracket 204 together. The connecting plates are connected by hinges, and the connecting plates are also connected to other parts by hinges.

[0094] In order to further enhance the telescopic effect, in a preferred embodiment, the guide wheels at the bottom of the outer bracket 203 and the inner bracket 204 are installed relative to each other. This design can ensure that the distance between the outer bracket and the inner bracket is minimized when the telescopic support assembly is retracted.

[0095] Furthermore, in a preferred embodiment, the structures of the outer bracket 203 and the inner bracket 204 are substantially similar. Figure 5 and Figure 6 As shown, the outer support 203 is composed of an outer frame body 2031 and an outer guide wheel group 2032. The outer frame body 2031 is composed of multiple steel pipes and is in the shape of a "mouth". The outer guide wheel group 2032 is installed at the bottom of two vertical steel pipes of the outer support 2031.

[0096] The inner support 204 is composed of an inner frame body 2041 and an inner guide wheel group 2042. The inner frame body 2041 is slightly different from the outer frame body 2031. A transverse steel pipe is added at the bottom of the outer frame body 2031, and the inner guide wheel group 2042 is installed at both ends of the transverse steel pipe.

[0097] This design enables the outer guide wheel set 2032 of the outer bracket 203 to be clamped from the outside of the slide rail, and the inner guide wheel set 2042 of the outer bracket 203 to be clamped from the inside of the slide rail, ensuring that the distance between the outer bracket and the inner bracket is minimized.

[0098] Further, in a preferred embodiment, the outer guide wheel group 2032 and the inner guide wheel group 2042 have the same structure, including two layers of guide wheels, the first layer of guide wheels is two rollers 21, symmetrically distributed about the symmetry axis of the inner frame 2041 or the outer frame 2031. The second layer of guide wheels is two conical wheels 22, such as Figure 7 and 8 The roller has a rib that can prevent the outer bracket from running off the track, and the conical wheel fits the lower surface of the slide rail of the ground rail assembly, mainly to limit the rollover of the outer bracket, such as Fig.12 shown.

[0099] In addition to the telescopic function, the outer bracket 203 and the inner bracket 204 also have the function of supporting the steel bars. Therefore, in a preferred embodiment, a guide plate 206 is installed on the top of the outer bracket 203 and the inner bracket 204. The guide plate has a V-shaped notch, which can effectively locate the position where the steel bars fall into the telescopic support assembly for the first time. On the other side opposite to the guide plate 206, an inclined transition plate is also installed to facilitate the finished steel bars to slide into the finished material rack.

[0100] The processing steps of steel bars include at least three steps: rib stripping, thread rolling, and grinding and deburring. In order to save the circulation time, in a preferred embodiment of the present invention, a rib stripping machine, a grinding machine, etc. are integrated into the multi-specification steel bar thread rolling processing device of the present invention. Specifically, a rib stripping machine 303 and a grinding machine 301 are installed on a mobile thread rolling machine or a fixed thread rolling machine, and are arranged side by side with the thread rolling machine 302, such as Fig.15 As shown, rib stripping, thread rolling and grinding are performed in sequence.

[0101] Furthermore, in some preferred embodiments, in order to improve the accuracy of rib stripping, an additional process is provided between rib stripping and thread rolling, that is, measuring the diameter of the steel bar after rib stripping.

[0102] Therefore, it can be seen from the above that the steel bar needs to move multiple times from entering the telescopic support assembly to leaving it, and reach multiple processing positions to correspond to the corresponding processing procedures (rib stripping, thread rolling, grinding or diameter measurement, etc.). When the steel bar needs to move from the current processing position to the next processing position, the clamps at both ends will first lift the steel bar from the current processing position, and then move horizontally until it reaches the next processing position. However, due to the long steel bars, elastic deformation will occur, and the middle will be lower than the two ends. Therefore, in a preferred embodiment of the present invention, an outer bracket or an inner bracket between the first fixed bracket and the second fixed bracket is selected as an auxiliary bracket. When the steel bar moves to the work station, the middle section of the auxiliary steel bar is lifted to prevent the thin steel bar from deforming, resulting in the clamps at both ends failing to clamp, thereby causing the distance between the two ends of the steel bar and their respective thread rolling heads to change. Specifically, as Fig. 9 As shown, at least two lifting cylinders 207 are installed on the support frame, and a support rod 208 is set on the top of the support frame. When the clamp lifts the two ends of the steel bar, the two cylinders on the auxiliary bracket will also extend to lift the middle position of the steel bar. At this time, the clamp will drag the steel bar horizontally to the next station. When the clamps on both sides put the steel bar to the next station, the cylinders on the auxiliary bracket will also be retracted at the same time.

[0103] The clamp mechanism for lifting and translating the steel bars in the above-mentioned embodiments can be implemented by using existing technologies. For example, in some specific embodiments, the steel bar clamping and translating mechanism with application number 202221242690.8 can be used.

[0104] The elastic deformation of the steel bar will also lead to another situation: when the steel bar is at the unloading position, the steel bar is too long and elastically deformed, and the middle part will bend, resulting in the two ends falling off the telescopic support assembly but the middle part still staying on the auxiliary support. Therefore, in another preferred embodiment of the present invention, a push plate 209 is added to the auxiliary support position, and the push plate 209 is installed in the slide groove opened at the top of the auxiliary support, and a push-pull cylinder 210 is equipped to provide driving force, such as Figure 8 and Fig. 9When the steel bar is at the unloading position, while the clamp pushes the ends of the steel bars on both sides to fall, the push-pull cylinder of the auxiliary support also pushes the push plate 209 to push the steel bar off the auxiliary support.

[0105] The thread rolling mobile machine 300 is driven by the driving unit 700. In order to enable the thread rolling mobile machine to move more accurately along the ground rail, in one embodiment of the present invention, the driving unit 700 is designed as a motor, a reducer, a gear and a rack. The rack is installed at the bottom of the slide rail. The motor, the reducer and the gear are installed on the thread rolling mobile machine, and the gear is meshed with the rack. The motor outputs driving force, and the reducer, the gear and the rack form a transmission mechanism to move the thread rolling mobile machine.

[0106] In addition, in some preferred embodiments, a length detector 800 is provided to address the inevitable slight error between the actual length of the incoming steel bar and the specified length of the incoming steel bar. Fig.13 , Fig.14 and Fig.15 As shown, the length detector 800 is arranged on the mobile thread rolling machine and the fixed thread rolling machine, and includes a measuring cylinder 801, a measuring push plate 802 and an electronic ruler 803. When the steel bar enters the detection position, the cylinder drives the measuring push plate 802 to extend, and the electronic ruler 803 is connected to the measuring push plate 802 to record the distance pushed by the cylinder, so as to calculate the position distance between the end of the steel bar and the thread rolling machine. According to the position distance, the front and rear positions of the thread rolling head of the thread rolling machine are adjusted to meet the thread rolling length requirements.

[0107] Of course, in some integrated devices, rib stripping and thread rolling are located in a front-to-back order, and the rib stripping machine and the thread rolling machine are aligned. Therefore, in some other embodiments, when adjusting the front-to-back position of the thread rolling head, the front-to-back position of the rib stripping head is also adjusted at the same time, so as to ensure the consistency of the rib stripping and thread rolling lengths.

[0108] The processing of steel bar materials is basically a batch operation. In order to realize automation, in a preferred embodiment of the present invention, an operation screen, a length detector and a controller are provided. The operation screen is connected to the controller, and the length detector is set on the fixed thread rolling machine and the mobile thread rolling machine. The controller is connected to the motor of the driving part. The whole working process is as follows:

[0109] If the length of the incoming steel bar is known, enter the length into the operation screen.

[0110] The controller receives the length and controls the mobile thread rolling machine to move so that the distance between the mobile thread rolling machine and the fixed thread rolling machine meets the length processing requirement.

[0111] There is a certain error between the actual length of the incoming steel bars and the input length. Use a length detector to measure the actual length of the steel bars, and adjust the distance between the rolling head of the thread rolling machine and the end of the steel bar to ensure that the rolling length of each steel bar meets the processing requirements.

[0112] The above describes the specific embodiments of the present invention. It should be understood that the present invention is not limited to the above specific embodiments, and those skilled in the art can make various modifications or variations within the scope of the claims, which does not affect the essence of the present invention. The above preferred features can be used in any combination without conflicting with each other.

Claims

1. A multi-specification steel bar thread rolling processing device, characterized in that: include: A ground rail assembly, wherein the ground rail assembly is installed on the ground; A telescopic support assembly, which is installed on the ground rail assembly and has a telescopic length, and is suitable for thread rolling of steel bars of various lengths and specifications; A mobile thread rolling machine, the mobile thread rolling machine is connected to one end of the telescopic support assembly and is movably installed above the ground rail assembly; A fixed thread rolling machine, which is connected to the other end of the telescopic support assembly and is fixedly installed on the ground; A driving unit is installed on the mobile thread rolling machine and the ground rail assembly, and drives the mobile thread rolling machine to move along the ground rail assembly.

2. A multi-specification steel bar thread rolling processing device according to claim 1, characterized in that: The ground rail assembly comprises: A support frame, wherein the support frame is fixed to the ground; A slide rail is installed on the top of the support frame; wherein the slide rail includes a spliced ​​long slide rail and a short slide rail.

3. The multi-specification steel bar thread rolling processing device according to claim 1, characterized in that: The telescopic support assembly comprises: A first fixed bracket, wherein the first fixed bracket is fixedly connected to the mobile thread rolling machine; A second fixed bracket, the second fixed bracket is fixedly connected to the fixed thread rolling machine; An external bracket, wherein a plurality of the external brackets are arranged between the first fixed bracket and the second fixed bracket, and the bottom of the external brackets is movably connected to the ground rail assembly; Inner brackets, a plurality of the inner brackets are arranged between the first fixed bracket and the second fixed bracket, and the bottoms of the inner brackets are movably connected to the ground rail assembly; the inner brackets and the outer brackets are spaced apart from each other; A connecting plate, wherein a plurality of the connecting plates connect the first fixed bracket, the outer bracket, the inner bracket and the second fixed bracket together; the connecting plates, as well as the connecting plates and each bracket are connected by hinges.

4. A multi-specification steel bar thread rolling processing device according to claim 3, characterized in that: The outer bracket comprises: An outer frame, the outer frame forming a frame-like structure; An outer guide wheel group, wherein two outer guide wheel groups are respectively installed on two sides of the bottom of the outer frame; The inner support comprises: An inner frame, wherein the inner frame forms a frame structure, An inner guide wheel group, wherein two inner guide wheel groups are respectively installed on two sides of the bottom of the inner frame; The outer guide wheel group and the inner guide wheel group are oriented in opposite directions and are installed relative to each other.

5. A multi-specification steel bar thread rolling processing device according to claim 4, characterized in that: The outer guide wheel group and the inner guide wheel group have the same structure, both comprising two layers of guide wheels, wherein: The first layer of guide wheels is two rollers, which are symmetrically installed on both sides of the bottom of the outer frame / inner frame; The second layer of guide wheels is two conical wheels, and the two conical wheels are correspondingly installed under the two rollers; The slide rail of the floor rail assembly is inserted between the roller and the conical wheel; the roller is provided with a rib to prevent the inner and outer brackets from running off; the conical wheel fits with the lower surface of the slide rail to limit the rollover of the inner and outer brackets.

6. The multi-specification steel bar thread rolling processing device according to claim 3, characterized in that: The outer bracket / inner bracket located between the first fixing bracket and the second fixing bracket is an auxiliary bracket; The auxiliary bracket comprises: An auxiliary frame, a guide wheel assembly is installed at the bottom of the auxiliary frame; A supporting rod, the supporting rod being arranged above the auxiliary frame; A lifting cylinder, a plurality of the lifting cylinders are installed on the auxiliary frame, and telescopic rods of the lifting cylinders support the supporting rod.

7. A multi-specification steel bar thread rolling processing device according to claim 6, characterized in that: A slide groove is provided on the top of the support rod; The auxiliary bracket also includes: A push-pull cylinder, which is transversely arranged inside the support rod; A push plate is arranged in the slide groove, a part of which is higher than the support rod, and the other part is connected to the push-pull cylinder.

8. The multi-specification steel bar thread rolling processing device according to claim 1, characterized in that: The driving unit comprises: A motor, wherein the motor is installed on the mobile thread rolling machine; A reducer connected to an output end of the motor; A gear, the gear being fixed to an output end of the reducer; A rack is installed on the ground rail assembly.

9. The multi-specification steel bar thread rolling processing device according to claim 1, characterized in that: The mobile thread rolling machine and the fixed thread rolling machine are both equipped with a length detector; the length detector comprises: A detection cylinder, wherein the output end of the detection cylinder is arranged along the length direction of the steel bar; A detection push plate connected to the output end of the detection cylinder; An electronic ruler is connected to the detection push plate.

10. The multi-specification steel bar thread rolling processing device according to claim 1, characterized in that: Also includes: A raw material rack, located on one side of the ground rail assembly and used for storing steel bar raw materials; A finished product rack is located at one side of the ground rail assembly and is used to stack the finished steel bars that have completed the thread rolling process.

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