CN217018343U - Reinforcing bar prefabricated equipment of bending - Google Patents
Reinforcing bar prefabricated equipment of bending Download PDFInfo
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- CN217018343U CN217018343U CN202123379815.XU CN202123379815U CN217018343U CN 217018343 U CN217018343 U CN 217018343U CN 202123379815 U CN202123379815 U CN 202123379815U CN 217018343 U CN217018343 U CN 217018343U
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Abstract
The utility model discloses a steel bar bending prefabricating device, which belongs to the technical field of steel bar processing and comprises a bending unit and a cutting unit; a leading-in unit is arranged on one side of the feeding end of the bending unit, and a receiving-out unit is arranged on one side of the discharging end of the bending unit; the cutting unit is arranged on the steel bar conveying path; the leading-in unit leads the reinforcing steel bars into the bending unit, the bending unit bends the reinforcing steel bars, and the receiving-out unit receives out the bent reinforcing steel bars; the cutting unit cuts off the steel bars; the utility model can realize the continuity of the steps of leading in, bending and leading out the reinforcing steel bar and realize the automation of the whole process; and continuous production of different types of reinforcing steel bars can be realized, the production cost is saved, and the production efficiency is improved.
Description
Technical Field
The utility model relates to a steel bar bending prefabricating device, and belongs to the technical field of steel bar processing.
Background
The bending and prefabrication of the steel bars are needed in more fields of industrial production, such as the preparation of steel bar frameworks in the building field and the preparation of steel bar cages of railway track slabs.
Use preparation of railway track board steel reinforcement cage as an example, steel reinforcement cage has multiple reinforcing bars such as horizontal muscle, vertical muscle, ground connection muscle, erect muscle, V-arrangement muscle to be worked out, and various reinforcing bars need carry out the manual work earlier with the reinforcing bar raw and other forms and decide, and handheld reinforcing bar transports preset position after bending, and this kind of reinforcing bar bending prefabricated mode exists following drawback in the actual production at present:
1. the automation degree of the production process is low, and the labor intensity is high.
2. The continuous production of steps such as reinforcing bar feeding, bending, ejection of compact can not be realized, and manufacturing cost is high, and production efficiency is low.
3. When different reinforcing bars are produced, for example, the L-shaped reinforcing bars and the grounding bars of the reinforcing cage cannot be continuously bent, so that the raw material of the reinforcing bars is wasted, the production cost is high, and the efficiency is low.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects, the utility model provides a steel bar bending prefabricating device which can realize the continuity of steel bar leading-in, bending and leading-out steps and realize the automation of the whole process; and continuous production of different types of reinforcing steel bars can be realized, the production cost is saved, and the production efficiency is improved.
In order to solve the technical problems, the utility model adopts the following technical scheme: a steel bar bending prefabricating device comprises a bending unit; a leading-in unit is arranged on one side of the feeding end of the bending unit, and a receiving-out unit is arranged on one side of the discharging end of the bending unit;
the leading-in unit leads in the reinforcing steel bar into the bending unit, the bending unit bends the reinforcing steel bar, and the receiving-out unit receives out the bent reinforcing steel bar.
Furthermore, the receiving and discharging unit comprises a first receiving and discharging mechanism and a second receiving and discharging mechanism which are sequentially arranged along the conveying direction of the steel bars; the second output mechanism is connected with the output end of the first output mechanism; the second receiving and discharging mechanism is arranged below the first receiving and discharging mechanism;
the first connecting-out mechanism is provided with a first guide groove; the opening of the first guide groove is opposite to the free end of the bending part of the reinforcing steel bar; the second connecting-out mechanism is provided with a second guide groove, and the opening of the second guide groove is opposite to the opening of the first guide groove.
Furthermore, the bending unit comprises a bending seat, a bending internal mold is fixedly mounted on the bending seat and comprises two internal mold bodies arranged at an interval, a bending channel is formed between the two internal mold bodies, a bending external mold is rotatably arranged on the bending seat and rotates around the internal mold bodies.
Further, the guiding unit comprises a guide tube, and the inner cavity of the guide tube is a guiding channel;
the guide-in channel and the bending channel are coaxially arranged.
The steel bar conveying device further comprises a cutting unit, wherein the cutting unit is arranged on the steel bar conveying path and cuts off the steel bars;
the cutting unit comprises a cutting die body, a cutting oil cylinder is arranged above the cutting die body, and a telescopic rod of the cutting oil cylinder is provided with a cutting knife.
Further, the cutting unit is arranged between the leading-in unit and the bending unit;
alternatively, the cutting unit is arranged at the feed end of the guide-in unit.
Further, the cutting unit is arranged between the first take-out mechanism and the second take-out mechanism.
Furthermore, the second connects out the mechanism and includes a plurality of parts that connect out, and every connects out the part liftable and sets up on the fixing base, and every connects out the part and can independently go up and down.
Furthermore, the second receiving and discharging mechanism is arranged on the fixed seat in a lifting manner through a lifting mechanism;
the lifting mechanism comprises a guide reset assembly and a driving assembly, and the guide reset assembly is arranged between the fixed seat and the second take-out mechanism;
the guide resetting assembly comprises a guide shaft, the guide shaft is arranged on the fixed seat in a sliding manner, and the guide shaft is fixedly connected with the second output mechanism; an elastic part is arranged between the second take-out mechanism and the fixed seat;
the side part of the second take-out mechanism is provided with the driving assembly, the driving assembly comprises a pressing part, one end of the pressing part is connected with the pressing driving part, and the other end of the pressing part is arranged above the limiting plate in a hanging manner; the limiting plate is fixed on the guide shaft or the second output mechanism; the downward pressing part moves downwards to apply pressure to the limiting plate.
Further, the leading-in unit comprises a guide wheel set, the guide wheel set comprises a driving wheel and a driven wheel which are arranged at intervals, and a steel bar channel is formed between the driving wheel and the driven wheel.
After the technical scheme is adopted, compared with the prior art, the utility model has the following advantages:
the utility model can realize the continuity of the steps of leading in, bending, leading out and cutting off the reinforcing steel bars, realizes the automation of the whole process and improves the production efficiency.
The continuous bending machine disclosed by the utility model has the advantages that the waste of reinforcing steel bar raw materials is avoided, the production cost is saved and the production efficiency is improved due to the continuous bending of different types of reinforcing steel bars.
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic view of a first take-out mechanism in embodiment 1;
FIG. 4 is a schematic view of a second guide groove in embodiment 1;
FIG. 5 is a schematic structural view of example 2;
FIG. 6 is an enlarged view at A in FIG. 5;
FIG. 7 is a schematic view of a second guide groove in embodiment 2;
fig. 8 is a schematic view of a third take-out mechanism in embodiment 2.
In the figure, the position of the upper end of the main shaft,
1-a first receiving-out mechanism, 101-a first guide groove, 102-a vertical plate, 2-a second receiving-out mechanism, 201-a second guide groove, 3-a third receiving-out mechanism, 301-a third guide groove, 4-a guide pipe, 5-a driving wheel, 6-a driven wheel, 7-a bending seat, 8-an inner die body, 9-a bending outer die, 10-an outer die sleeve, 11-an inner die shaft, 12-a driving part, 13-a fixed block, 14-a channel, 15-a cutting die body, 16-a cutting oil cylinder, 17-a fixed seat, 18-a lifting oil cylinder, 19-a guide shaft, 20-an elastic part, 21-a lower pressing block, 22-a lower pressing air cylinder, 23-a limiting plate, 24-a supporting base and 25-a mounting seat.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.
Example 1
As shown in fig. 1-4, the present invention provides a steel bar bending prefabricating apparatus, which comprises a guiding-in unit, a bending unit, a cutting unit, and a steel bar leading-out unit; a leading-in unit is arranged on one side of the feeding end of the bending unit, and a receiving-out unit is arranged on one side of the discharging end of the bending unit; the cutting unit is arranged on the steel bar conveying path; the leading-in unit leads the reinforcing steel bars into the bending unit for bending, and the bent reinforcing steel bars are led out by the leading-out unit; the cutting unit cuts the reinforcing steel bars. The leading-in unit, the bending unit, the cutting unit and the steel bar leading-out unit are arranged on the supporting base 24 in a sliding mode through the mounting base 25, or the leading-in unit, the bending unit, the cutting unit and the steel bar leading-out unit are directly fixed on the supporting base 24.
Furthermore, each unit of the leading-in unit, the bending unit, the cutting unit and the steel bar receiving-out unit is independently arranged on different mounting seats 25; or, the partial units in the leading-in unit, the bending unit, the cutting unit and the steel bar receiving-out unit are installed on the same installation seat 25, and in this embodiment, the leading-in unit, the bending unit and the cutting unit are installed on the same installation seat 25.
The leading-in unit comprises a guide tube 4, the inner cavity of the guide tube 4 is a leading-in channel, and the conveying direction of the reinforcing steel bars can be corrected.
Preferably, the guiding unit further comprises a guiding wheel set, the guiding wheel set comprises a driving wheel 5 and a driven wheel 6 which are arranged at an interval, a reinforcing steel bar channel is formed between the driving wheel 5 and the driven wheel 6, and the reinforcing steel bar channel and the guiding channel are on the same straight line. The driving wheel 5 is connected with driving devices such as a motor and the like, so that driving and guiding effects are realized.
The bending unit comprises a bending seat 7, a bending internal mold is fixedly mounted on the bending seat 7, the bending internal mold comprises two internal mold bodies 8 which are arranged at relative intervals, a bending channel is formed between the two internal mold bodies 8, and the bending channel and the guiding channel are coaxially arranged. The bending seat 7 is rotatably provided with a bending external mold 3, and the bending external mold 3 rotates around an internal mold body 8; and the bending outer die 9 rotates to bend the end part of the reinforcing steel bar penetrating out of the bending channel.
The bending outer die 9 is fixed at the end part of the outer die sleeve 10, and the inner end of the inner die body 8 is fixed at the end part of the inner die shaft 11. The outer die sleeve 10 is rotatably arranged on the bending base 7, the inner end of the outer die sleeve 10 is connected with a driving part 12, and the driving part 12 is fixed on the bending base 7. The outer end of the inner die body 8 is fixed on the bending seat 7 through a fixing block 13; the inner die shaft 11 is fixedly arranged on the bending seat 7, and the outer die sleeve 10 is sleeved on the inner die shaft 11; the outer die sleeve 10 is rotatable about an inner die shaft 11.
Preferably, a channel 14 is arranged between the fixing block 13 and the bending seat 7, and the channel 14 is arranged on a rotation track of the bending outer die 9 to ensure that the bending outer die 9 can pass through the channel 14. The outer die sleeve 10 can rotate in the forward direction and the reverse direction, so that the two ends of the reinforcing steel bar can be bent.
The cutting unit is arranged between the leading-in unit and the bending unit; alternatively, the cutting unit is arranged at the feed end of the guide-in unit. The cutting unit comprises a cutting die body 15, a cutting oil cylinder 16 is arranged above the cutting die body 15, a cutting knife is arranged on a telescopic rod of the cutting oil cylinder 16, the cutting oil cylinder 16 drives the cutting knife to move downwards, and the steel bars are cut under the matching of the cutting die body 15. In other embodiments, the cutting unit is not needed, and the steel bars with specific lengths can be directly guided into the device.
The receiving and discharging unit comprises a first receiving and discharging mechanism 1 and a second receiving and discharging mechanism 2 which are sequentially arranged along the conveying direction of the reinforcing steel bars; the first take-out mechanism 1 is provided with a first guide groove 101, the first guide groove 101 is a U-shaped groove, and the first guide groove 101 is formed between two vertical plates 102 arranged at intervals. The opening of the first guide groove 101 is opposite to the free end of the bending part of the steel bar, so that the steel bar can be conveniently connected without interference, the bent steel bar is prevented from being toppled, and the opening of the first guide groove 101 faces downwards in the embodiment.
The second receiving and outputting mechanism 2 is connected with the output end of the first receiving and outputting mechanism 1, and the second receiving and outputting mechanism 2 is arranged below the first receiving and outputting mechanism 1; the second connecting-out mechanism 2 comprises a second guide groove 201, the opening of the second guide groove 201 is opposite to the opening of the first guide groove 101, and the opening of the second guide groove 201 faces upwards in the embodiment.
The second connects out mechanism 2 and sets up a plurality of parts that connect out, and every connects out the part and can independently go up and down to set up on fixing base 17, specifically, set up elevating system on fixing base 17, elevating system includes lift cylinder 18, connect out the part and fix on lift cylinder 18's telescopic link. When the manipulator snatchs the reinforcing bar, part connects out the part and descends, snatchs the manipulator and snatchs the reinforcing bar after, the surplus connects out the part and descends, and the manipulator goes out the reinforcing bar sideslip.
Taking the bending of the longitudinal rib of the steel reinforcement cage of the track slab as an example, the working process of the embodiment is as follows:
the reinforcing steel bar passes through the guide unit and is conveyed under the guide of the guide pipe and the guide wheel set until the reinforcing steel bar passes through a bending channel of the cutting unit, the driving part drives the bending outer die to rotate forwards, the front end of the reinforcing steel bar is bent, then the reinforcing steel bar is continuously fed, one bent end of the reinforcing steel bar enters the receiving unit, the bent reinforcing steel bar can be prevented from toppling down under the guide of the first guide groove and the second guide groove, the feeding is stopped after the reinforcing steel bar is continuously fed to a specified length, the cutting unit works, the cutting cylinder drives the cutting knife to cut the reinforcing steel bar, the reinforcing steel bar can be conveyed forwards again or stopped from being conveyed through other conveying mechanisms, after the reinforcing steel bar reaches the final position, the driving part drives the bending outer die to rotate backwards, and the rear end of the bending reinforcing steel bar is bent to form the longitudinal bar. And then, part of the extension parts descend, and after the grabbing manipulator grabs the longitudinal ribs, the lifting mechanism drives the rest extension parts to descend so as to smoothly move the longitudinal ribs out in a transverse mode.
Example 2
As shown in fig. 5 to 8, the present invention provides a steel bar bending prefabricating apparatus, which is different from embodiment 1 in that: each unit of the leading-in unit, the bending unit, the cutting unit and the steel bar leading-out unit is arranged on the same mounting seat 25; the mounting seat 25 is slidably arranged on the support base 24.
The cutting unit is arranged between the first receiving mechanism 1 and the second receiving mechanism 2; the top end surface of the cutting die body 15 is preferably not higher than the bottom surface of the second guide groove 201, so that the steel bars can be conveniently led out; the cutting knife is arranged right opposite to the second guide groove 201, and the cutting knife can extend into the second guide groove 201.
The second take-out mechanism 2 is arranged on the fixed seat 17 through a lifting mechanism; the lifting mechanism comprises a guide resetting component and a driving component, and the guide resetting component is arranged between the fixed seat 17 and the second take-out mechanism 2; the drive assembly may be arranged at the side of the second take-off mechanism 2.
The guide resetting component comprises a guide shaft 19, the upper end of the guide shaft 19 is fixedly connected with the second take-out mechanism 2, and the lower end of the guide shaft 19 is connected with the fixed seat 17 in a sliding manner; an elastic part 20 is arranged between the second take-off mechanism 2 and the fixed seat 17, and the elastic part 20 is a spring.
The cutting oil cylinder 16 drives the cutting knife to move downwards, the second take-out mechanism 2 moves downwards, the reinforcing steel bars are cut under the cooperation of the cutting die body 15, then the cutting oil cylinder 16 retracts, and the second take-out mechanism 2 resets under the action of the elastic piece 20.
The driving assembly comprises a pressing part which can be a pressing block 21, one end of the pressing block 21 is fixed on a telescopic rod of a pressing driving piece which can be an air cylinder, an oil cylinder and the like, in the embodiment, the pressing driving piece is a pressing air cylinder 22, the other end of the pressing block 21 is arranged above a limiting plate 23 in a hanging manner, and the limiting plate 23 is fixed on the guide shaft 19 or the second outlet mechanism 2; when the second connecting-out mechanism 2 is in a normal guiding state, the lower pressing block 21 does not apply pressure on the limiting plate 23; after the grabbing mechanism grabs the bent steel bars, the second take-out mechanism 2 needs to be pressed down to smoothly move the steel bars out, at this time, the pressing cylinder 22 drives the pressing block 21 to move down, downward pressure is applied to the limiting plate 23, and therefore the second take-out mechanism 2 is driven by the guide shaft 19 to move down until the steel bars can be smoothly moved out. In other embodiments, the second take-out mechanism 2 may be lowered in other manners, for example, by applying a pulling force below the second take-out mechanism 2 by using a device such as an air cylinder, or by directly arranging the second take-out mechanism 2 on a lifting mechanism such as an air cylinder.
The receiving and discharging unit further comprises a third receiving and discharging mechanism 3, the third receiving and discharging mechanism 3 is arranged at the output end of the second receiving and discharging mechanism 2, the third receiving and discharging mechanism 3 is provided with a third guide groove 301, and an opening of the third guide groove 301 faces downwards; the third guide groove 301 is used for guiding a long reinforcing bar.
The first guide groove 101 has a downward opening, and the second guide groove 201 has an upward opening.
Taking the rail plate reinforcement cage grounding rib and the L-shaped rib as examples, the working process of the embodiment is as follows:
the driving wheel drives a reinforcing steel bar raw material (a reinforcing steel bar with a preset length) to be fed, the reinforcing steel bar raw material is guided by the guide pipe and penetrates through the bending channel, the driving wheel stops rotating after the reinforcing steel bar raw material reaches a preset position, the driving part drives the bending outer die to rotate around the bending inner die by about 90 degrees, the bending outer die returns to the original position after the front end of the reinforcing steel bar is bent, the bent reinforcing steel bar is driven by the driving wheel to be continuously conveyed forwards under the guide of the first guide groove, the reinforcing steel bar is conveyed to the preset position of the second guide groove, the cutting oil cylinder acts, the second take-out part moves downwards to cut the reinforcing steel bar to form an L-shaped reinforcing steel bar, and then the second take-out mechanism resets under the action of the elastic part. After grabbing the unit and snatching L type muscle such as manipulator, drive assembly pushes down the second and connects out the mechanism, and the manipulator is come out L shape muscle sideslip. And then, the driving wheel continuously drives the reinforcing steel bar raw material to be fed, and the actions are repeated to manufacture all the L-shaped ribs.
After all L-shaped ribs are prefabricated, the driving wheel continues to drive the steel bar raw material to be fed, the front end of the steel bar is bent, the steel bar is continuously fed, the bending outer die rotates in the opposite direction after the fixed length of the grounding rib is achieved, the rear end of the steel bar is bent, and the grounding rib is bent. This embodiment has realized bending in succession of two kinds of different reinforcing bars, and extravagant reinforcing bar raw materials does not practice thrift the cost.
The foregoing is illustrative of the best mode contemplated for carrying out the present invention and the details not specifically mentioned are within the knowledge of one of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent changes based on the technical teaching of the present invention are also within the protection scope of the present invention.
Claims (10)
1. The utility model provides a reinforcing bar prefabricated equipment of bending which characterized in that: comprises a bending unit; a leading-in unit is arranged on one side of the feeding end of the bending unit, and a receiving-out unit is arranged on one side of the discharging end of the bending unit;
the leading-in unit leads in the reinforcing steel bar into the bending unit, the bending unit bends the reinforcing steel bar, and the receiving-out unit receives out the bent reinforcing steel bar.
2. The steel bar bending prefabrication equipment of claim 1, wherein: the receiving and discharging unit comprises a first receiving and discharging mechanism (1) and a second receiving and discharging mechanism (2) which are sequentially arranged along the conveying direction of the steel bars; the second output mechanism (2) is connected with the output end of the first output mechanism (1); the second receiving and outputting mechanism (2) is arranged below the first receiving and outputting mechanism (1);
the first connecting-out mechanism (1) is provided with a first guide groove (101); the opening of the first guide groove (101) is opposite to the free end of the bending part of the reinforcing steel bar; the second connecting-out mechanism (2) is provided with a second guide groove (201), and the opening of the second guide groove (201) is opposite to the opening of the first guide groove (101).
3. The steel bar bending prefabrication equipment of claim 1, wherein: the bending unit comprises a bending seat (7), a bending internal mold is fixedly mounted on the bending seat (7), the bending internal mold comprises two internal mold bodies (8) which are arranged at relative intervals, a bending channel is formed between the two internal mold bodies (8), a bending external mold (3) is arranged on the bending seat (7) in a rotating mode, and the bending external mold (3) rotates around the internal mold bodies (8).
4. The steel bar bending prefabrication equipment of claim 1, wherein: the leading-in unit comprises a guide tube (4), and the inner cavity of the guide tube (4) is a leading-in channel;
the guide-in channel and the bending channel are coaxially arranged.
5. The steel bar bending prefabrication equipment of claim 1, wherein: the steel bar conveying device further comprises a cutting unit, wherein the cutting unit is arranged on the steel bar conveying path and cuts off the steel bars;
the cutting unit comprises a cutting die body (15), a cutting oil cylinder (16) is arranged above the cutting die body (15), and a cutting knife is arranged on a telescopic rod of the cutting oil cylinder (16).
6. The steel bar bending prefabrication equipment of claim 1, wherein: the steel bar conveying device further comprises a cutting unit, wherein the cutting unit is arranged on the steel bar conveying path and cuts off the steel bars;
the cutting unit is arranged between the leading-in unit and the bending unit;
alternatively, the cutting unit is arranged at the feed end of the guide-in unit.
7. A rebar bending prefabrication apparatus as claimed in claim 2, wherein: the steel bar conveying device also comprises a cutting unit, wherein the cutting unit is arranged on the steel bar conveying path and cuts off the steel bars;
the cutting unit is arranged between the first take-out mechanism (1) and the second take-out mechanism (2).
8. A rebar bending prefabrication apparatus as claimed in claim 2, wherein: the second receiving and outputting mechanism (2) comprises a plurality of receiving and outputting parts, and each receiving and outputting part is arranged on the fixed seat (17) in a lifting manner; each take-off component can independently lift.
9. The rebar bending prefabrication device as claimed in claim 7, wherein: the second receiving-outputting mechanism (2) is arranged on the fixed seat (17) in a lifting way through a lifting mechanism;
the lifting mechanism comprises a guide resetting component and a driving component, and the guide resetting component is arranged between the fixed seat (17) and the second take-out mechanism (2);
the guide resetting assembly comprises a guide shaft (19), the guide shaft (19) is arranged on the fixed seat (17) in a sliding mode, and the guide shaft (19) is fixedly connected with the second take-out mechanism (2); an elastic part (20) is arranged between the second take-out mechanism (2) and the fixed seat (17);
the driving assembly is arranged on the side part of the second connecting-out mechanism (2) and comprises a pressing part, one end of the pressing part is connected with a pressing driving part, and the other end of the pressing part is arranged above the limiting plate (23) in a hanging manner; the limiting plate (23) is fixed on the guide shaft (19) or the second connecting-out mechanism (2); the downward pressing part moves downwards to apply pressure to the limiting plate (23).
10. The steel bar bending prefabrication equipment of claim 1, wherein: the leading-in unit includes the direction wheelset, the direction wheelset includes action wheel (5) and follow driving wheel (6) that relative interval set up, form the reinforcing bar passageway between action wheel (5) and follow driving wheel (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123379815.XU CN217018343U (en) | 2021-12-30 | 2021-12-30 | Reinforcing bar prefabricated equipment of bending |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123379815.XU CN217018343U (en) | 2021-12-30 | 2021-12-30 | Reinforcing bar prefabricated equipment of bending |
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| CN217018343U true CN217018343U (en) | 2022-07-22 |
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| CN202123379815.XU Active CN217018343U (en) | 2021-12-30 | 2021-12-30 | Reinforcing bar prefabricated equipment of bending |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117226006A (en) * | 2023-11-16 | 2023-12-15 | 山东豪迈机械制造有限公司 | Reinforcing steel bar bending device |
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2021
- 2021-12-30 CN CN202123379815.XU patent/CN217018343U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117226006A (en) * | 2023-11-16 | 2023-12-15 | 山东豪迈机械制造有限公司 | Reinforcing steel bar bending device |
| CN117226006B (en) * | 2023-11-16 | 2024-02-13 | 山东豪迈机械制造有限公司 | Reinforcing steel bar bending device |
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