Automatic adjusting rolling machine for deformed steel bars
By designing limit control mechanisms and wear-resistant mechanisms, the problems of offset and friction damage during the rolling of rebar are solved, achieving stable and safe rolling operation.
Patent Information
- Application Number
- CN202520440221.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-03-13
AI Technical Summary
Existing rolling machines have difficulty effectively controlling the deviation of rebar during the rolling process, which makes the rolling operation inconvenient, prone to danger, and can damage the driving and driven pressure rollers.
The design incorporates a limit control mechanism and a wear-resistant mechanism for easy disassembly and assembly. Through hollow limit blocks and wear-resistant protective plates, it achieves stable limiting and wear protection for the rebar, preventing displacement and friction damage.
It improves the convenience of limit control in the rebar rolling operation of the rolling machine, reduces the risk of equipment damage, and increases the service life and operational safety of the equipment.
Smart Images
Figure CN223932332U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of rolling machines, specifically relating to an automatic adjusting rolling machine for rebar. Background Technology
[0002] Rebar is the common name for hot-rolled ribbed steel bars. Rebar is widely used in civil engineering construction such as houses, bridges, and roads. From large-scale public facilities such as highways, railways, culverts, tunnels, flood control, and dams, to small-scale building foundations, beams, columns, walls, and slabs, rebar is an indispensable structural material. During construction, some rebar needs to be rolled into rounds, usually by rolling machines. Existing rolling machines are equipment used for rolling rebar, which can be automatically adjusted by two cylinders simultaneously to facilitate the rotation of the active and driven pressure rollers to roll the rebar.
[0003] Existing rebar rolling machines directly insert the end of the rebar into the connection between the active and driven pressure rollers during the rebar rolling process. This causes the active pressure roller to drive the rebar and driven pressure roller to rotate continuously, making it difficult to control the rebar during the rolling operation. This leads to easy deviation on the surfaces of the active and driven pressure rollers, which can cause danger or even damage due to uneven force on the active and driven pressure rollers as they move towards the end. Consequently, the convenience of limit control and the rolling effect of the rebar rolling operation are affected. Therefore, this utility model proposes an automatic adjusting rebar rolling machine. Utility Model Content
[0004] The purpose of this utility model is to provide an automatic adjusting rebar rolling machine to solve the problems mentioned in the background art, such as the difficulty in controlling the rebar during the rolling operation, the tendency for the surface of the active and driven pressure rollers to deviate during the rolling operation, the potential danger caused by the deviation, and even the damage caused by uneven force on the active and driven pressure rollers as they move towards the end.
[0005] To achieve the above objectives, this utility model provides the following technical solution: an automatic adjusting rebar rolling machine, comprising a rolling machine body, the rolling machine body including a counterweight base, two fixed upright plates welded and fixed to the upper surface of the counterweight base, an active pressure roller mounted at the top connection of the two fixed upright plates via bearings, a drive motor mounted at the end of the active pressure roller located at the top side of the fixed upright plate, a sliding plate slidably located in the middle of the interior of the fixed upright plate, a driven pressure roller mounted at the connection of the two sliding plates via bearings, an automatic adjusting cylinder fixedly mounted at the bottom end of the sliding plate connected to the upper surface of the counterweight base, and the rolling machine body also being provided with:
[0006] A limit control mechanism, comprising a fixed connection assembly disposed on the front surface of the two fixed uprights, a limit control assembly disposed inside the fixed connection assembly, sliding connection assemblies disposed on both sides of the limit control assembly, and a fixed mounting assembly disposed on the upper surface of the fixed connection assembly;
[0007] The wear-resistant mechanism is designed for easy disassembly and assembly. It includes wear-resistant components for easy disassembly and assembly disposed on the outer surfaces of the active and driven pressure rollers. A snap-fit mounting component is provided at the connection between the two wear-resistant components for easy disassembly and assembly, and a reinforcing mounting component is provided at the internal connection between the wear-resistant components for easy disassembly and assembly and the active pressure roller.
[0008] Preferably, the fixed connection assembly includes a control connection plate disposed on the front surface of the two fixed upright plates. Each end of the control connection plate has two threaded reinforcing bolts. The front surface of the fixed upright plate is provided with an internal threaded hole at equal intervals, and the internal structure of the reinforcing bolts matches the internal structure of the internal threaded hole.
[0009] Preferably, the limit control component includes a hollow limit block disposed inside the control connecting plate, and the inner edge of the hollow limit block has rolling balls.
[0010] Preferably, the sliding connection assembly includes sliding grooves formed on both sides inside the control connection plate, a slider is provided inside the sliding groove, and the end of the slider is fixed to the surface of the hollow limiting block by welding.
[0011] Preferably, the fixed mounting assembly includes a second internally threaded hole on the upper surface of the control connection plate, the internal thread of the second internally threaded hole being rotated with a locking bolt, and the slider being fixedly connected to the control connection plate by the locking bolt.
[0012] Preferably, the easy-to-disassemble wear-resistant component includes wear-resistant protective plates disposed on the outer surfaces of the active pressure roller and the driven pressure roller, and friction protrusions are equidistantly disposed on the outer surface of the wear-resistant protective plates.
[0013] Preferably, the snap-fit installation assembly includes a snap-fit plate integrally disposed on one side of the wear-resistant protective plate, and a snap-fit groove is formed on the other side of the wear-resistant protective plate, and the snap-fit plate engages with the snap-fit groove.
[0014] Preferably, the reinforcement installation assembly includes a fixing bolt disposed on the upper surface of one side of the wear-resistant protective plate, and internal threaded holes are equidistantly opened on both sides of the active pressure roller, and the end of the fixing bolt is connected to the internal thread of the internal threaded hole.
[0015] Compared with the prior art, the beneficial effects of this utility model are:
[0016] By designing a limit control mechanism, the control connecting plate and the hollow limit block can be fixed at the corresponding position where the threaded steel enters. The threaded steel passes through the interior of the hollow limit block and enters the connection between the active pressure roller and the driven pressure roller for limit entry and rolling. When the limit is in the interior of the hollow limit block, the contact ball is less likely to rub against the interior of the hollow limit block. At the same time, it is less likely to deviate and cause danger and damage when entering the threaded steel rolling, thus improving the convenience of limit control of the rolling machine body during threaded steel rolling operation. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the structure of this utility model;
[0018] Figure 2 This utility model Figure 1 Enlarged structural diagram of section A;
[0019] Figure 3 This utility model Figure 1 Enlarged structural diagram of section B;
[0020] Figure 4 This utility model Figure 3 Enlarged structural diagram of section D in the middle;
[0021] Figure 5 This utility model Figure 1 Enlarged structural diagram of section B;
[0022] Figure 6 This is a cross-sectional structural diagram of the active pressure roller, wear-resistant protective plate, and friction protrusions of this utility model.
[0023] Figure 7 This utility model Figure 6 Enlarged structural diagram of section E in the middle;
[0024] In the diagram: 100, main body of the rolling machine; 101, active pressure roller; 1011, wear-resistant protective plate; 1012, fixing bolt; 1013, friction protrusion; 1014, through hole; 1015, slot; 1016, clamping plate; 1017, internal threaded hole three; 102, fixed upright plate; 1021, control connecting plate; 1022, internal threaded hole one; 1023, reinforcing bolt; 1024, internal threaded hole two; 1025, slide groove; 1026, slider; 1027, hollow limit block; 1028, locking bolt; 1029, ball bearing; 103, counterweight base; 104, drive motor; 105, driven pressure roller; 106, sliding plate; 107, automatic adjusting cylinder. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0026] Please see Figures 1 to 7 This utility model provides a technical solution: an automatic adjusting rebar rolling machine, including a rolling machine body 100, the rolling machine body 100 including a counterweight base 103, two fixed upright plates 102 welded and fixed on the upper surface of the counterweight base 103, an active pressure roller 101 installed at the top connection of the two fixed upright plates 102 via bearings, a drive motor 104 installed at the end of the active pressure roller 101 located at the top side of the fixed upright plate 102, and a sliding plate 106 sliding in the middle position inside the fixed upright plate 102. A driven pressure roller 105 is mounted on the connection point of the sliding plate 106 via a bearing. An automatic adjusting cylinder 107 is fixedly installed at the connection point between the bottom end of the sliding plate 106 and the upper surface of the counterweight base 103. The threaded steel bar is positioned at the internal connection point between the active pressure roller 101 and the two driven pressure rollers 105, and in contact with the active pressure roller 101 and the driven pressure rollers 105. When the drive motor 104 drives the active pressure roller 101 to rotate, the threaded steel bar and the driven pressure rollers 105 rotate accordingly, performing a rolling operation on the threaded steel bar. The main body 100 of the rolling machine is also equipped with:
[0027] The limit control mechanism includes a fixed connection assembly on the front surface of the two fixed upright plates 102, a limit control assembly inside the fixed connection assembly, sliding connection assemblies on both sides of the limit control assembly, and a fixed mounting assembly on the upper surface of the fixed connection assembly. When the threaded steel bar is rolled between the fixed upright plate 102 and the two driven pressure rollers 105, the limit control mechanism limits the threaded steel bar to enter, making it less likely to deviate and cause danger or damage during rolling.
[0028] To facilitate the fixed installation of the hollow limiting block 1027 at the corresponding position using a fixed connection assembly, and to facilitate the corresponding fixed installation into the threaded steel rolling operation, in this embodiment, preferably, the fixed connection assembly includes a control connection plate 1021 disposed on the front surface of the two fixed upright plates 102. Each end of the control connection plate 1021 has two threaded reinforcing bolts 1023. The front surface of the fixed upright plate 102 is provided with internally threaded holes 1022 at equal intervals, and the internal structure of the reinforcing bolts 1023 matches the internal structure of the internally threaded holes 1022. The control connection plate 1021 can be fixed at the connection point of the two fixed upright plates 102. Rotating the reinforcing bolts 1023 to embed into the internally threaded holes 1022 fixes and limits the installation of the control connection plate 1021.
[0029] In order to facilitate stable control of the rolling operation when rolling threaded steel bars using the limit control component, in this embodiment, preferably, the limit control component includes a hollow limit block 1027 disposed inside the control connecting plate 1021. The inner edge of the hollow limit block 1027 has rolling balls 1029, which can pass through the inner limit control of the hollow limit block 1027 and contact the surface of the rolling balls 1029 to prevent friction of the threaded steel bars, thus stabilizing the rolling operation and preventing friction.
[0030] In order to facilitate the adjustment of the position of the hollow limiting block 1027 by means of the sliding connection component, and to facilitate the adjustment of the corresponding rolling position, in this embodiment, preferably, the sliding connection component includes a sliding groove 1025 formed on both sides inside the control connection plate 1021. A slider 1026 is provided inside the sliding groove 1025, and the end of the slider 1026 is fixed to the surface of the hollow limiting block 1027 by welding. By sliding the slider 1026 inside the sliding groove 1025, the hollow limiting block 1027 is slidably adjusted to the position of use for limiting control rolling.
[0031] To facilitate the adjustment and fixed installation of the hollow limit block 1027 using a fixed installation assembly, in this embodiment, preferably, the fixed installation assembly includes a second internal threaded hole 1024 formed on the upper surface of the control connecting plate 1021. A locking bolt 1028 rotates inside the internal threaded hole 1024, and the slider 1026 is fixedly connected to the control connecting plate 1021 by the locking bolt 1028. The hollow limit block 1027 can be adjusted to the position of use, and the locking bolt 1028 rotates inside the second internal threaded hole 1024 to press against the surface of the slider 1026 for reinforcement, thereby fixing and limiting the hollow limit block 1027.
[0032] The wear-resistant mechanism is designed for easy disassembly and assembly. It includes wear-resistant components that are conveniently disassembled and assembled on the outer surfaces of the active pressure roller 101 and the driven pressure roller 105. A snap-fit mounting component is provided at the connection between the two wear-resistant components. A reinforcing mounting component is provided at the internal connection between the wear-resistant components and the active pressure roller 101. When the main body 100 of the rolling machine is used to roll threaded steel, the wear-resistant mechanism can be used to fix and install wear-resistant protection on the outer surfaces of the active pressure roller 101 and the driven pressure roller 105. At the same time, the replacement cost is low and convenient when the friction damage is severe.
[0033] In order to effectively protect the outer surfaces of the active pressure roller 101 and the driven pressure roller 105 from wear by facilitating the disassembly and assembly of wear-resistant components, and to effectively perform the rebar rolling operation, in this embodiment, preferably, the wear-resistant components include wear-resistant protective plates 1011 disposed on the outer surfaces of the active pressure roller 101 and the driven pressure roller 105. Friction protrusions 1013 are equidistantly disposed on the outer surface of the wear-resistant protective plates 1011 and the friction protrusions 1013, which can provide wear protection during the rebar rolling operation of the active pressure roller 101 and the driven pressure roller 105.
[0034] In order to facilitate the locking and closing of the two wear-resistant protective plates 1011 onto the outer surface of the active pressure roller 101 or the driven pressure roller 105 by means of a locking and mounting assembly, in this embodiment, preferably, the locking and mounting assembly includes a locking plate 1016 integrally disposed on one side of the wear-resistant protective plate 1011, and a locking groove 1015 formed on the other side of the wear-resistant protective plate 1011, and the locking plate 1016 engages with the locking groove 1015, so as to facilitate the locking plate 1016 and the locking groove 1015 to install the wear-resistant protective plate 1011 onto the outer surface of the active pressure roller 101, and the same operation is performed to fix it onto the outer surface of the driven pressure roller 105.
[0035] To facilitate the installation and fixation of the two wear-resistant protective plates 1011 onto the outer surfaces of the active pressure roller 101 and the driven pressure roller 105 using a reinforced installation assembly, in this embodiment, preferably, the reinforced installation assembly includes a fixing bolt 1012 disposed on the upper surface of one side of the wear-resistant protective plate 1011, through holes 1014 equidistantly provided inside the clamping plate 1016, and internal threaded holes 1017 equidistantly provided on both sides of the active pressure roller 101. The end of the fixing bolt 1012 is connected to the internal thread of the internal threaded hole 1017. After the wear-resistant protective plate 1011 is closed on the outer surfaces of the active pressure roller 101 and the driven pressure roller 105, the fixing bolt 1012 passes through the through hole 1014 and is inserted into the internal thread of the internal threaded hole 1017 for rotational reinforcement and installation.
[0036] The working principle and usage process of this utility model: Before use, the main body 100 of the rebar automatic adjustment rolling machine is first fixed in the position of use by contacting the placement surface with the active pressure roller 101. After the main body 100 of the rolling machine is fixed, the two automatic adjustment cylinders 107 move simultaneously to drive the slide plate 106 to slide inside the fixed upright plate 102. The movement of the slide plate 106 drives the two driven pressure rollers 105 to automatically adjust to the height of use. The rebar is then placed at the internal connection between the active pressure roller 101 and the two driven pressure rollers 105 and in contact with the active pressure roller 101 and the driven pressure rollers 105. When the drive motor 104 drives the active pressure roller 101 to rotate, the rebar and the driven pressure rollers 105 rotate together and the rebar is rolled.
[0037] Then, before the rolling machine body 100 performs the rolling operation, the two wear-resistant protective plates 1011 are engaged with the inside of the slot 1015 by the clamping plate 1016 and closed on the outer surface of the drive pressure roller 101. The fixing bolts 1012 are then screwed into the internal threaded hole 1017 through the through hole 1014 to reinforce the installation of the two wear-resistant protective plates 1011. The same operation is repeated to fix the driven pressure roller 105 to the surface. Therefore, the drive pressure roller 101 is rotated to drive... When the rebar and the driven pressure roller 105 rotate and are rolled, they both come into contact with the wear-resistant protective plate 1011 and the friction protrusion 1013. This wear-resistant rolling operation makes it less prone to slippage due to friction during long-term rolling operations, effectively achieving rolling treatment. Furthermore, when the wear-resistant protective plate 1011 and the friction protrusion 1013 are damaged by friction, they are easy to disassemble and replace, resulting in low replacement costs. This improves the convenience of wear-resistant rolling of the driven pressure roller 105 and the active pressure roller 101 by the main body 100 of the rolling machine during the rebar rolling operation.
[0038] Finally, before the main body 100 of the rolling machine rolls the rebar, the driven pressure roller 105 is automatically adjusted according to the thickness of the rebar to be rolled. At this time, the control connecting plate 1021 is closed on the front surface of the two fixed vertical plates 102, corresponding to the position where the active pressure roller 101 and the driven pressure roller 105 enter the rebar. The reinforcing bolt 1023 is rotated and embedded in the internal threaded hole 1022 to fix the control connecting plate 1021. The slide groove 1025 is slid inside the slider 1026 again to slide and close the hollow limit block 1027 to the corresponding position. The locking bolt 1028 is rotated and embedded in the internal thread. Hole 1024 presses against the surface of slider 1026 to fix hollow limit block 1027. During the rebar rolling operation, the rebar passes through the interior of hollow limit block 1027 and enters the connection between active pressure roller 101 and driven pressure roller 105 for limiting entry and rolling. When the rebar is limited inside hollow limit block 1027, the contact ball 1029 is less likely to rub against the interior of hollow limit block 1027. At the same time, it is less likely to deviate and cause danger and damage when entering the rebar rolling, thus improving the convenience of limit control of the main body 100 of the rolling machine during the rebar rolling operation.
[0039] Although embodiments of the present invention have been shown and described (see the detailed description above), it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An automatic adjusting rebar rolling machine, comprising a rolling machine body (100), the rolling machine body (100) comprising a counterweight base (103), two fixed upright plates (102) welded and fixed on the upper surface of the counterweight base (103), an active pressure roller (101) mounted on the top connection of the two fixed upright plates (102) via bearings, a drive motor (104) mounted on the end of the active pressure roller (101) located on the side top of the fixed upright plate (102), a sliding plate (106) sliding in the middle position inside the fixed upright plate (102), a driven pressure roller (105) mounted on the connection of the two sliding plates (106) via bearings, and an automatic adjusting cylinder (107) fixedly mounted at the bottom end of the sliding plate (106) and the connection of the upper surface of the counterweight base (103), characterized in that: The main body (100) of the rolling machine is also provided with: The limit control mechanism includes a fixed connection assembly disposed on the front surface of the two fixed upright plates (102), a limit control assembly disposed inside the fixed connection assembly, sliding connection assemblies disposed on both sides of the limit control assembly, and a fixed mounting assembly disposed on the upper surface of the fixed connection assembly. The wear-resistant mechanism is easy to disassemble and install, and the wear-resistant mechanism includes wear-resistant components that are disposed on the outer surfaces of the active pressure roller (101) and the driven pressure roller (105). A snap-fit mounting component is provided at the connection between the two wear-resistant components. A reinforcement mounting component is provided at the internal connection between the wear-resistant components and the active pressure roller (101).
2. The automatic adjusting and rolling machine for rebar according to claim 1, characterized in that: The fixed connection assembly includes a control connection plate (1021) disposed on the front surface of two fixed upright plates (102). Both ends of the control connection plate (1021) have two threaded reinforcing bolts (1023). The front surface of the fixed upright plate (102) is provided with an internal threaded hole (1022) at equal intervals, and the internal structure of the reinforcing bolt (1023) matches the internal structure of the internal threaded hole (1022).
3. The automatic adjusting and rolling machine for rebar according to claim 2, characterized in that: The limit control component includes a hollow limit block (1027) disposed inside the control connection plate (1021), and the inner edge of the hollow limit block (1027) is provided with rolling balls (1029).
4. The automatic adjusting and rolling machine for rebar according to claim 3, characterized in that: The sliding connection assembly includes a sliding groove (1025) formed on both sides inside the control connection plate (1021). A slider (1026) is provided inside the sliding groove (1025), and the end of the slider (1026) is fixed to the surface of the hollow limiting block (1027) by welding.
5. The automatic adjusting and rolling machine for rebar according to claim 4, characterized in that: The fixed installation assembly includes a second internal threaded hole (1024) opened on the upper surface of the control connection plate (1021), and a locking bolt (1028) is rotated on the internal thread of the second internal threaded hole (1024), and the slider (1026) is fixedly connected to the control connection plate (1021) by the locking bolt (1028).
6. The automatic adjusting and rolling machine for rebar according to claim 1, characterized in that: The easy-to-disassemble wear-resistant component includes a wear-resistant protective plate (1011) disposed on the outer surface of the active pressure roller (101) and the driven pressure roller (105), and friction protrusions (1013) are equidistantly disposed on the outer surface of the wear-resistant protective plate (1011).
7. The automatic adjusting and rolling machine for rebar according to claim 6, characterized in that: The snap-fit mounting assembly includes a snap-fit plate (1016) integrally disposed on one side of the wear-resistant protective plate (1011), and a snap-fit groove (1015) is formed on the other side of the wear-resistant protective plate (1011), and the snap-fit plate (1016) engages with the snap-fit groove (1015).
8. The automatic adjusting and rolling machine for rebar according to claim 7, characterized in that: The reinforcement installation assembly includes a fixing bolt (1012) disposed on the upper surface of one side of the wear-resistant protective plate (1011), through holes (1014) are equidistantly provided inside the clamping plate (1016), and internal threaded holes (1017) are equidistantly provided on both sides of the active pressure roller (101). The end of the fixing bolt (1012) is threadedly connected to the internal thread of the internal threaded hole (1017).