CN113235938A - Reinforcing bar strapper for building site - Google Patents
Reinforcing bar strapper for building site Download PDFInfo
- Publication number
- CN113235938A CN113235938A CN202110471886.8A CN202110471886A CN113235938A CN 113235938 A CN113235938 A CN 113235938A CN 202110471886 A CN202110471886 A CN 202110471886A CN 113235938 A CN113235938 A CN 113235938A
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- casing
- wire
- movably
- motor
- coil spring
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
- E04G21/122—Machines for joining reinforcing bars
- E04G21/123—Wire twisting tools
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Basic Packing Technique (AREA)
Abstract
The invention relates to the technical field of building construction, and discloses a steel bar binding machine for a building site, wherein a wire winding reel is movably arranged at one end inside a casing, a wire guide wheel is fixedly arranged at the top part between a conveying motor and a torsion motor inside the casing, a transmission device is fixedly arranged at the bottom part between the conveying motor and the torsion motor inside the casing, a hydraulic hole is formed inside the transmission device, a pressure rod is movably sleeved at the top part of the hydraulic hole, a clamping strip is movably sleeved at the bottom end of the hydraulic hole, an external gear is fixedly sleeved on the outer ring of the wire winding reel, a transmission sleeve is movably arranged inside a mounting groove, a limiting shaft is movably arranged in the middle of the mounting groove, a tooth key meshed with the external gear is uniformly and fixedly arranged on the outer ring of the transmission sleeve, a coil spring is movably connected between the transmission sleeve and the limiting shaft, and the transmission sleeve, the external gear and the transmission device are matched through arrangement, The combined action of the pressure rod and other structures improves the bundling quality and saves the iron wire cost.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a steel bar binding machine for a building site.
Background
Reinforcing bars are the same material which is indispensable in the construction industry, and are mainly used for concrete pouring, so that the strength of the reinforcing bars is increased, the cross-overlapped reinforcing bars need to be bundled to prevent the spreading, the most conventional mode is that wires are manually bundled, but the method is too slow for large engineering or large-area construction, so that the wires need to be quickly bundled by using a machine, and then a reinforcing bar bundling machine appears, which utilizes an internal motor to drive the wires, and can also realize the bending of the wires and the cutting of the wires which are finally twisted and led out by the structural design, but the reinforcing bar bundling machine has some problems:
when the reinforcing steel bars are bundled, the wires are discharged from the winding drum and are pushed out through the conveying effect of the motor, and when the wires are bent forwards along the wire guide holes and wound in an annular shape, a large ring is formed compared with the reinforcing steel bars, so that a large number of wires are used for winding, the wires are not actually and completely acted on the reinforcing steel bars 18, when a torsion motor rotates later, only the redundant wires are twisted off, and the wires are not fully bundled actually; meanwhile, 2-3 circles are generally most suitable when winding is carried out, but because the shape and the position of the reinforcing steel bar and the error of the binding machine, the rings wound out are not all the same, so that the iron wire cannot be twisted more normally when the iron wire is twisted, and the utilization rate of the iron wire is ensured.
Disclosure of Invention
Aiming at the defects of the background technology, the invention provides the steel bar binding machine for the construction site, which has the advantages of good binding effect and material saving and solves the problems in the background technology.
The invention provides the following technical scheme: a reinforcing steel bar binding machine for construction sites comprises a machine shell, wherein a handle is fixedly arranged at the bottom of the machine shell, a switch is movably arranged at the front of the handle, a wire winding reel is movably arranged at one end inside the machine shell, a conveying motor is fixedly arranged at the middle part inside the machine shell, a torsion motor is fixedly arranged inside the machine shell close to the outer end, a wire guide wheel is fixedly arranged at the top of the machine shell, which is positioned between the conveying motor and the torsion motor, a transmission device is fixedly arranged at the bottom of the machine shell, which is positioned between the conveying motor and the torsion motor, a hydraulic hole is formed inside the transmission device, a pressure rod is movably sleeved at the top of the hydraulic hole, a guide wheel is movably arranged at the top of the pressure rod, a clamping strip is movably sleeved at the bottom of the hydraulic hole, a wire is fixedly sleeved at the outer ring of the wire winding reel, and an outer gear is wound at the middle part of the wire winding reel, the utility model discloses a wire guiding hole, including casing, wire guiding hole, mounting groove, drive sleeve, first ratchet, spacing axle, the outside fixed mounting that spacing axle is close to first ratchet one end has a second ratchet, the inside movable mounting of casing has the pawl with second ratchet looks adaptation.
Preferably, a transmission rod is movably mounted between the pressure rod and the torsion motor inside the casing, a filament cutting head is movably connected to one end, located at the top of the torsion motor, of the transmission rod, a filament cutting groove is formed in the top, located at the top of the filament cutting head, inside the filament guiding hole, of the filament cutting head, and a drawn wire is fixedly connected to the bottom of the filament cutting head and the top of the torsion motor.
Preferably, the pressure pole is the cross form and its baffle department bottom outer lane activity has cup jointed reset spring, the height that highly is higher than the godet wheel of guide pulley normal during operation, the transfer line is Z style of calligraphy form and lower one end is located below the baffle part of pressure pole, the top surface of pressure pole is flattened to when the maximum position is just for the iron wire taut.
Preferably, the pulling force when the coil spring contracts to the maximum position is equal to the sum of the frictional resistance of the limiting shaft, and the extending end of the clamping strip just corresponds to the outer ring of the first ratchet wheel.
Preferably, the magnitude of the elastic force of the coil spring is larger than the sum of the frictional resistance of the iron wire, and the tightening distance of the coil spring is larger than the number of turns required for tightening the iron wire.
The invention has the following beneficial effects:
through set up the external gear at wire winding reel outer lane, and the cooperation has the transmission cover, transmission, structure combined action such as pressure pole, compare in prior art, utilize transmission cover and inside coil spring and spacing axle combined action can realize energy storage and release energy's effect, thereby utilize the elasticity of coil spring release to realize the taut effect to the iron wire, it can not be too much to have guaranteed the iron wire of winding on the reinforcing bar, a large amount of iron wires have been practiced thrift, still realize cutting and the tight iron wire of turning round of certain dynamics through the filament cutter head when utilizing the coil spring to realize taut iron wire simultaneously, and still through set up limit structure such as card strip in transmission inside, it all is in taut state to have guaranteed that each coil of iron wire of winding on the reinforcing bar, more realize the effect of fastening, the stable security of reinforcing bar frame has been guaranteed.
Drawings
FIG. 1 is a structural overall view of the present invention;
FIG. 2 is a sectional view of the driving sleeve assembly of the present invention;
FIG. 3 is a schematic view of the structure of the driving sleeve of the present invention;
FIG. 4 is a rear view of the drive sleeve construction of the present invention;
FIG. 5 is an enlarged view taken at A in FIG. 1;
FIG. 6 is a flow chart of the present invention architecture.
In the figure: 1. a housing; 101. a wire guide hole; 1011. a filament cutting groove; 102. mounting grooves; 103. a pawl; 2. a grip; 3. a switch; 4. winding the wire into a reel; 401. an outer gear; 402. iron wires; 5. a conveying motor; 6. a godet wheel; 7. a torsion motor; 8. a transmission device; 801. a hydraulic bore; 9. a pressure lever; 901. a guide wheel; 10. clamping the strip; 11. a transmission sleeve; 1101. a toothed key; 1102. a first ratchet wheel; 12. a limiting shaft; 1201. a second ratchet wheel; 13. a coil spring; 14. a transmission rod; 15. cutting a filament head; 16. a return spring; 17. drawing wires; 18. and (5) reinforcing steel bars.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a reinforcing steel bar binding machine for construction site comprises a casing 1, a handle 2 is fixedly installed at the bottom of the casing 1, a switch 3 is movably installed at the front of the handle 2, a wire winding reel 4 is movably installed at one end inside the casing 1, a conveying motor 5 is fixedly installed at the middle part inside the casing 1, a torsion motor 7 is fixedly installed inside the casing 1 near the outer end, a wire guide wheel 6 is fixedly installed at the top position between the conveying motor 5 and the torsion motor 7 inside the casing 1, a transmission device 8 is fixedly installed at the bottom position between the conveying motor 5 and the torsion motor 7 inside the casing 1, a hydraulic hole 801 is formed inside the transmission device 8, a pressure rod 9 is movably sleeved at the top of the hydraulic hole 801, a guide wheel 901 is movably installed at the top of the pressure rod 9, a clamping strip 10 is movably sleeved at the bottom end of the hydraulic hole 801, an outer gear 401 is fixed at the outer ring of the wire winding reel 4, an iron wire 402 is wound in the middle of the wire winding drum 4, a wire guide hole 101 is formed in the top of the front end of the casing 1, a mounting groove 102 is formed in the side wall of the inside of the casing 1, a transmission sleeve 11 is movably mounted inside the mounting groove 102, a limiting shaft 12 is movably mounted in the middle of the mounting groove 102, a tooth key 1101 meshed with the outer gear 401 is uniformly and fixedly mounted on the outer ring of the transmission sleeve 11, a first ratchet wheel 1102 is fixedly mounted on the outer ring of one end of the transmission sleeve 11, a coil spring 13 is movably connected between the transmission sleeve 11 and the limiting shaft 12, a second ratchet wheel 1201 is fixedly mounted on the outer side of the limiting shaft 12 close to one end of the first ratchet wheel 1102, and a pawl 103 matched with the first ratchet wheel 1102 is movably mounted inside the casing 1.
Wherein, the inside pressure bar 9 that is located of casing 1 and torsion motor 7 movable mounting have transfer line 14, the one end swing joint that transfer line 14 is located torsion motor 7 top has cut wire head 15, wire guide hole 101 is inside to be located the top position of cut wire head 15 and has seted up cut wire groove 1011, the bottom of cut wire head 15 and torsion motor 7's top fixedly connected with wire drawing 17, cut wire head 15 that drives other one end through transfer line 14 can cut off iron wire 402 and handle, can carry out convenient cutting simultaneously in utilizing in cut wire groove 1011, the probability of cutting off iron wire 402 is improved through the cooperation work of the semicircular arch of a jack-up.
The pressure rod 9 is in a cross shape, the outer ring of the bottom of the baffle is movably sleeved with the reset spring 16, the height of the guide wheel 901 in normal operation is higher than that of the godet wheel 6, the transmission rod 14 is in a Z shape, the lower end of the transmission rod 14 is located below the baffle part of the pressure rod 9, when the top surface of the pressure rod 9 is flattened to the maximum position, the iron wire 402 is tensioned, the pressure rod 9 is pressed down when the iron wire 402 is contracted and straightened inwards under the action of the coil spring 13, the pressure rod 9 triggers the tensioning force of the iron wire 402 when being pressed down to a certain position, and at the moment, the baffle part of the pressure rod 9 drives the transmission rod 14 to rotate, so that the iron wire is cut off 402 to facilitate torsion of the iron wire.
The pulling force when the coil spring 13 contracts to the maximum position is equal to the sum of the frictional resistance of the limiting shaft 12, the extending end of the clamping strip 10 corresponds to the outer ring of the first ratchet wheel 1102, the limiting shaft 12 inside the coil spring 13 is driven to rotate after being driven to the maximum pulling force position by the wire winding drum 4, then the one-way rotation of the limiting shaft 12 is realized through the ratchet wheel and pawl structure, meanwhile, the clamping strip 10 is driven to extend and be clamped to the outer ring position of the first ratchet wheel 1102 through the hydraulic transmission inside the transmission device 8 after the iron wire 402 is straightened, the effect of straightening the iron wire 402 under the effect of the coil spring 13 is ensured, and the pulling force for rotating and contracting the iron wire 402 does not need to be provided any more at this moment.
The elastic force of the coil spring 13 is greater than the sum of the frictional resistance of the iron wire 402, the distance of the coil spring 13 is greater than the number of turns required for tensioning the iron wire 402, so that the iron wire 402 can be pulled back under the action of the coil spring 13, the part of the iron wire 402 wound on the steel bar 18 is tensioned, and meanwhile, the path of the number of turns after the coil spring 13 is tensioned is required to be long enough to ensure that the iron wire 402 can be tensioned sufficiently subsequently.
The working principle is that the wire winding drum 4 is firstly installed inside the machine shell 1, one end of an iron wire 402 is ensured to pass through the wire guiding wheel 6 and the guide wheel 901 to the wire guiding hole 101, then the front end of the machine shell 1 is clamped outside a steel bar 18 needing to be bundled with the iron wire 402, then the switch 3 is pressed to start the conveying motor 5 to drive the iron wire 402 to be wound to the outer ring of the steel bar 18 along the wire guiding hole 101, the conveying is stopped after the iron wire is wound for 2-3 circles, the wire winding drum 4 drives the external gear 401 to rotate in the conveying process to drive the transmission sleeve 11 to rotate, and the transmission sleeve 11 drives the coil spring 13 to tighten and rotate until the limiting shaft 12 is driven to rotate together; after the iron wire 402 is conveyed, the transmission sleeve 11 and the outer gear 401 are driven to rotate step by step under the action of the coil spring 13 so as to tighten the iron wire 402 wound on the outer ring of the steel bar 18, when the iron wire 402 is pressed down on the pressure rod 9 by the tightening force and is increased to a limit value, the return spring 16 is pressed down and extrudes hydraulic oil, the pressure rod 9 is pressed down and simultaneously abuts against the transmission rod 14, the wire cutting head 15 is driven to jack up and cut off the iron wire 402 through transmission, meanwhile, the hydraulic oil is extruded again to eject and clamp the clamping strip 10 onto the first ratchet wheel 1102 so as to limit the continuous driving of the coil spring 13 to drive the transmission sleeve 11 to rotate, and then the iron wire 402 is tightened under the action of the torsion motor 7.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a steel bar binding machine for building site, includes casing (1), and the bottom fixed mounting of casing (1) has handle (2), and the positive movable mounting of handle (2) has switch (3), its characterized in that: the wire winding drum (4) is movably mounted at one end inside the casing (1), the conveying motor (5) is fixedly mounted at the middle inside the casing (1), the torsion motor (7) is fixedly mounted inside the casing (1) close to the outer end, the wire guide wheel (6) is fixedly mounted at the top between the conveying motor (5) and the torsion motor (7) inside the casing (1), the transmission device (8) is fixedly mounted at the bottom between the conveying motor (5) and the torsion motor (7) inside the casing (1), the hydraulic hole (801) is formed inside the transmission device (8), the pressure rod (9) is movably sleeved at the top of the hydraulic hole (801), the guide wheel (901) is movably mounted at the top of the pressure rod (9), and the clamping strip (10) is movably sleeved at the bottom of the hydraulic hole (801), the outer ring of the wire winding drum (4) is fixedly sleeved with an outer gear (401), an iron wire (402) is wound in the middle of the wire winding drum (4), a wire guide hole (101) is formed in the top of the front end of the casing (1), a mounting groove (102) is formed in the side wall inside the casing (1), a transmission sleeve (11) is movably mounted inside the mounting groove (102), a limiting shaft (12) is movably mounted in the middle of the mounting groove (102), a tooth key (1101) meshed with the outer gear (401) is uniformly and fixedly mounted on the outer ring of the transmission sleeve (11), a first ratchet wheel (1102) is fixedly mounted on the outer ring of one end of the transmission sleeve (11), a coil spring (13) is movably connected between the transmission sleeve (11) and the limiting shaft (12), and a second ratchet wheel (1201) is fixedly mounted on the outer side of one end of the limiting shaft (12) close to the first ratchet wheel (1102), a pawl (103) matched with the first ratchet wheel (1102) is movably mounted in the machine shell (1).
2. The reinforcing bar binding machine for construction sites according to claim 1, wherein: casing (1) inside be located pressure pole (9) and twist reverse movable mounting between motor (7) have transfer line (14), one end swing joint that transfer line (14) are located and twist reverse motor (7) top has cut wire head (15), wire guide hole (101) inside is located the top position of cut wire head (15) and has seted up cut wire groove (1011), the bottom of cut wire head (15) and the top fixedly connected with wire drawing (17) of twisting reverse motor (7).
3. The reinforcing bar binding machine for construction sites according to claim 2, wherein: pressure pole (9) are cross and its baffle department bottom outer lane activity cup joints reset spring (16), the height that highly is higher than godet wheel (6) of guide pulley (901) normal during operation, transfer line (14) are Z style of calligraphy form and lower one end is located below the baffle part of pressure pole (9), when the top surface of pressure pole (9) is flattened to the maximum position just for iron wire (402) taut.
4. The reinforcing bar binding machine for construction sites according to claim 1, wherein: the pulling force when the coil spring (13) contracts to the maximum position is equal to the sum of the frictional resistance of the limiting shaft (12), and the extending end of the clamping strip (10) is just corresponding to the outer ring of the first ratchet wheel (1102).
5. The reinforcing bar binding machine for construction sites according to claim 1, wherein: the elastic force of the coil spring (13) is larger than the sum of the frictional resistance of the iron wire (402), and the tightening distance of the coil spring (13) is larger than the number of turns required for tightening the iron wire (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110471886.8A CN113235938B (en) | 2021-04-29 | 2021-04-29 | Reinforcing bar strapper for building site |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110471886.8A CN113235938B (en) | 2021-04-29 | 2021-04-29 | Reinforcing bar strapper for building site |
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| CN113235938A true CN113235938A (en) | 2021-08-10 |
| CN113235938B CN113235938B (en) | 2022-12-09 |
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| CN202110471886.8A Active CN113235938B (en) | 2021-04-29 | 2021-04-29 | Reinforcing bar strapper for building site |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114800849A (en) * | 2022-05-13 | 2022-07-29 | 山东建筑大学 | Precast beam framework of steel reinforcement ligature manipulator |
| CN115045513A (en) * | 2022-07-20 | 2022-09-13 | 武汉建工集团股份有限公司 | Rapid and automatic binding device for construction steel bars and using method thereof |
| CN116791897A (en) * | 2023-08-21 | 2023-09-22 | 权琪建设发展有限公司 | Reinforcing steel bar binding machine |
| WO2024124627A1 (en) * | 2022-12-16 | 2024-06-20 | 台州市新大陆电子科技有限公司 | Rebar tying machine |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114800849A (en) * | 2022-05-13 | 2022-07-29 | 山东建筑大学 | Precast beam framework of steel reinforcement ligature manipulator |
| CN115045513A (en) * | 2022-07-20 | 2022-09-13 | 武汉建工集团股份有限公司 | Rapid and automatic binding device for construction steel bars and using method thereof |
| CN115045513B (en) * | 2022-07-20 | 2024-02-09 | 武汉建工集团股份有限公司 | Quick and automatic binding device for building construction steel bars and application method of quick and automatic binding device |
| WO2024124627A1 (en) * | 2022-12-16 | 2024-06-20 | 台州市新大陆电子科技有限公司 | Rebar tying machine |
| CN116791897A (en) * | 2023-08-21 | 2023-09-22 | 权琪建设发展有限公司 | Reinforcing steel bar binding machine |
| CN116791897B (en) * | 2023-08-21 | 2023-11-07 | 权琪建设发展有限公司 | Reinforcing steel bar binding machine |
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| Publication number | Publication date |
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| CN113235938B (en) | 2022-12-09 |
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