Rechargeable steel bar on-site threading machine

Abstract

The utility model discloses a charging type reinforcing steel bar on-site threading machine which comprises a threading machine base and a threading mechanism, a mounting shell is arranged in the middle of the right side of the upper end of the threading machine base, a mounting ring is arranged on the rear side of the interior of the mounting shell, the threading mechanism comprises a threading head, a spline sleeve, a spline, a spring and a threading assembly, and the rotatable threading head is arranged on the left side of the interior of the mounting shell. The spline housing is rotationally connected to the middle of the interior of the mounting ring, the splines are arranged on the right side of the inner wall of the threading head and matched with the spline housing, and a spring is arranged between the right side of the threading head and the left side of the mounting ring. Compared with a normal table type threading machine, the spring is ingeniously used for replacing manual feeding at the beginning of threading, threading operation of the reinforcing steel bar can be automatically conducted through sliding between the spline and the spline sleeve and the self-guiding function of threads, manual holding is not needed, and the threading efficiency of the reinforcing steel bar is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel bar threading technology field, concretely is on -the -spot steel bar threading machine of charging type. BACKGROUND

[0002] Steel bar threading refers to the process of making external thread on the end of steel bar through mechanical processing, usually using special threading machine or thread rolling machine to cut or roll the steel bar to form the thread structure meeting the standard, so as to realize the mechanical connection between steel bars through the thread sleeve, the process is widely used in the connection of steel cage, beam column node and other parts in building engineering, has the characteristics of high strength, convenient construction and no welding, is the key link of prefabricated building and steel bar mechanical connection technology, the traditional steel bar threading is mostly manually threaded through handheld steel bar threading machine, the handheld electric threading machine is mainly composed of motor, reduction gearbox, steel bar chuck and die head and other components, when working, first, the steel bar to be processed is placed in the steel bar chuck and clamped, then the motor is started, the steel bar rotates with the chuck, the die opening size on the die head is adjusted and the thread length is set, then the feed hand wheel is pulled clockwise, the die cutter is attached to the rotating steel bar end, the die cutter will automatically cut the thread, when the thread is processed to the preset length, the die cutter will automatically open, the thread processing is finished, the traditional handheld steel bar threading machine is only suitable for steel bars below m10, otherwise it will be unable to hold due to excessive torque, and the 12MM steel bar in the steel grounding national standard has larger threading torque due to the shape range of 12.2-12.4MM, so a special threading machine is needed, which does not need manual holding and can automatically feed, therefore, the utility model provides on -the -spot steel bar threading machine of charging type. UTILITY MODEL CONTENTS

[0003] The utility model solves the technical problem of overcoming the defects of the prior art, provides on -the -spot steel bar threading machine of charging type, the design structure is simple, convenient operation, compared with the regular bench type threading machine, a spring is ingeniously used instead of manual feeding at the beginning of threading, the threading operation of steel bar can be automatically carried out by the sliding between the spline and spline sleeve and the self-guiding effect of thread, without manual holding, the threading efficiency of steel bar is improved, and the problems in the background art can be effectively solved.

[0004] To achieve the above object, the utility model provides the following technical scheme: on -the -spot steel bar threading machine of charging type, including threading machine seat and threading mechanism;

[0005] Threading machine seat: the right side middle part of its upper end is equipped with installation shell, the inside rear side of installation shell is provided with installation ring;

[0006] The sleeve thread mechanism comprises a sleeve thread head, a spline sleeve, splines, a spring and a sleeve thread assembly, the inside left side of the mounting shell is provided with the rotatable sleeve thread head, the spline sleeve is rotatably connected to the inside middle of the mounting ring, the splines are arranged on the right side of the inner wall of the sleeve thread head, the splines are installed in cooperation with the spline sleeve, the spring is arranged between the right side of the sleeve thread head and the left side of the mounting ring, the spring is sleeved on the right side of the outer surface of the spline sleeve, and the sleeve thread assembly is arranged on the inside left side of the sleeve thread head.

[0007] Further, the sleeve thread assembly comprises a guide plate and a sleeve thread die, the guide plate is arranged on the right side of the sleeve thread head, the sleeve thread die is arranged on the inside right side of the sleeve thread head, and the axes of the guide plate and the sleeve thread die coincide with each other, thereby providing a basis for the sleeve threading work of the steel bar.

[0008] Further, the sleeve thread assembly further comprises a blanking port, the blanking port is arranged on the middle of the outer surface of the sleeve thread head, and the four blanking ports are distributed in a cross shape with the axis of the sleeve thread head as the center, thereby providing a basis for the outflow of waste.

[0009] Further, the sleeve thread mechanism further comprises a thin-type bearing, the thin-type bearing is slidably connected to the inside of the mounting shell, the inner wall of the thin-type bearing is fixedly connected to the middle of the outer surface of the sleeve thread head, and the sleeve thread head is provided with left and right sliding and rotating support effects.

[0010] Further, the sleeve thread mechanism further comprises a connecting jack and a motor, the connecting jack is arranged in the inside middle of the spline sleeve, the motor is arranged on the right side of the mounting ring, the input end of the motor is electrically connected with the output end of the external control switch, the outer surface of the output shaft of the motor is inserted into the inner wall of the spline sleeve, and stable driving effects are provided for the sleeve threading work of the steel bar.

[0011] Further, the sleeve thread mechanism further comprises a fixed plate, a fastening screw and a steel bar, the fixed plate is arranged on the left side of the upper end of the sleeve thread base, the inside middle of the fixed plate is provided with a fixed clamping hole, the fastening screw is threadedly connected to the inside middle of the fixed plate, the steel bar is inserted into the inside of the fixed clamping hole, and the lower end of the fastening screw is fixedly connected with the upper end of the outer surface of the steel bar, so that the steel bar can be quickly fixed and released.

[0012] Further, the axes of the guide plate, the steel bar and the fixed clamping hole coincide with each other, and the axes of the guide plate and the fixed clamping hole coincide with each other, thereby providing accurate guiding effects for the sleeve threading work of the steel bar.

[0013] Compared with the prior art, the charging type steel bar on-site sleeve thread machine has the following advantages:

[0014] The elastic deformation of the spring replaces the manual feeding at the beginning of the threading, the spline, spline sleeve and thin bearing enable the threading head to slide left and right and rotate, the threading of the steel bar can be automatically performed through the sliding between the spline and spline sleeve and the self-guiding effect of the thread, without manual holding, and the threading efficiency of the steel bar is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a sectional structural schematic view of the threading mechanism of the utility model;

[0017] Figure 3 It is a sectional structural schematic view of the threading head of the utility model;

[0018] Figure 4 It is a structural schematic view of the mounting ring of the utility model.

[0019] In the figure: 1, threading machine base, 2, mounting shell, 3, mounting ring, 4, threading mechanism, 41, threading head, 42, spline sleeve, 43, spline, 44, spring, 45, threading assembly, 451, guide plate, 452, threading die, 453, blanking port, 46, thin bearing, 47, connecting jack, 48, motor, 5, fixed plate, 6, fastening screw, 7, steel bar. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figures 1-4 The embodiment provides a technical scheme: a charging type steel bar on-site threading machine, which comprises a threading machine base 1 and a threading mechanism 4.

[0022] The threading machine base 1 is provided with a mounting shell 2 at the right side of the middle part of the upper end, the inside of the threading machine base 1 is provided with an external battery, the external battery is a rechargeable storage battery, the external battery provides power supply for the equipment, and the inside of the mounting shell 2 is provided with a mounting ring 3 at the rear side.

[0023] The sleeve mechanism 4 includes a sleeve head 41, a spline sleeve 42, splines 43, a spring 44, and a sleeve assembly 45. The inside left side of the mounting shell 2 is provided with a rotatable sleeve head 41. The spline sleeve 42 is rotatably connected to the inside middle of the mounting ring 3. The splines 43 are all arranged on the inner wall right side of the sleeve head 41. The splines 43 are all installed in cooperation with the spline sleeve 42. The four splines 43 are distributed in a cross shape with the axis of the sleeve head 41 as the center. The outer surface of the spline sleeve 42 is provided with uniformly distributed grooves. The outer surfaces of the splines 43 are all in sliding connection with the transversely adjacent grooves. The right side of the sleeve head 41 and the left side of the mounting ring 3 are provided with a spring 44. The spring 44 is sleeved on the outer surface right side of the spline sleeve 42. The right end of the spring 44 is fixedly connected with the left end of the mounting ring 3. When the right end of the sleeve head 41 moves to the right, it will contact the left end of the spring 44, thereby providing a basis for the automatic sleeving of the steel bar 7. The sleeve assembly 45 is arranged on the inside left side of the sleeve head 41. The sleeve assembly 45 includes a guide plate 451 and a sleeve plate tooth 452. The guide plate 451 is arranged on the right side of the sleeve head 41. The inside middle of the guide plate 451 is provided with a guide hole, which provides a limiting and guiding effect for the steel bar 7. The sleeve plate tooth 452 is arranged on the inside right side of the sleeve head 41. The inner wall of the sleeve plate tooth 452 is provided with a chamfered cutting edge, which is used for opening a thread groove. The axes of the guide plate 451 and the sleeve plate tooth 452 all coincide with each other, thereby providing a basis for the sleeving work of the steel bar 7. The sleeve assembly 45 further includes a blanking hole 453. The blanking hole 453 is opened on the middle part of the outer surface of the sleeve head 41. The four blanking holes 453 are all distributed in a cross shape with the axis of the sleeve head 41 as the center, thereby providing a basis for the outflow of waste. The sleeve mechanism 4 further includes a thin type bearing 46. The thin type bearing 46 is in sliding connection with the inside of the mounting shell 2. The inner wall of the thin type bearing 46 is fixedly connected with the middle part of the outer surface of the sleeve head 41, thereby providing a left and right sliding and rotating support effect for the sleeve head 41. The sleeve mechanism 4 further includes a connecting jack 47 and a motor 48. The connecting jack 47 is opened in the inside middle of the spline sleeve 42. The motor 48 is arranged on the right side of the mounting ring 3. The input end of the motor 48 is electrically connected with the output end of the external control switch. The input end of the external control switch is electrically connected with the output end of the external battery. The outer surface of the output shaft of the motor 48 is in plug connection with the inner wall of the spline sleeve 42. The inner wall lower end front side of the connecting jack 47 is provided with a key groove. The lower end front side of the outer surface of the output shaft of the motor 48 is provided with a limiting key. The limiting key is in plug connection with the inside of the key groove, thereby providing a limiting effect for the connection of the motor 48 and the spline sleeve 42 and a stable driving effect for the sleeving work of the steel bar 7. The device further includes a fixed plate 5, a fastening screw 6, and a steel bar 7. The fixed plate 5 is arranged on the upper end left side of the sleeve base 1. The inside middle of the fixed plate 5 is provided with a fixed clamping hole, which can be inserted into the steel bar 7 with a specification of 12MM. The fastening screw 6 is in threaded connection with the inside middle of the fixed plate 5. The steel bar 7 is in plug connection with the inside of the fixed clamping hole. The lower end of the fastening screw 6 is fixedly connected with the outer surface upper end of the steel bar 7, thereby enabling the steel bar 7 to be quickly fixed and released. The axes of the guide plate 451, the steel bar 7, and the fixed clamping hole all coincide with each other.The axes of the guide plate 451 and the fixed clamp hole coincide with each other to provide accurate guiding for the threading work of the steel bar 7, the design structure is simple, and the operation is convenient, compared with a normal table type threading machine, one spring 44 is ingeniously used to replace manual feeding at the beginning of the threading, the threading operation of the steel bar 7 can be automatically performed through the sliding between the spline 43 and the spline sleeve 42 and the self-guiding effect of the thread, without manual holding, and the threading efficiency of the steel bar 7 is improved.

[0024] The working principle of the charging type steel bar on-site threading machine is as follows: when the threading work of the steel bar 7 with a specification of 12MM is performed, the external battery supplies power for the equipment, the motor 48 is first controlled to rotate at a speed of 40 revolutions per minute through the external control switch, the spline sleeve 42 rotates, the threading head 41 is driven to rotate through the spline 43, then the steel bar 7 is moved to the right through the fixed clamp hole, the steel bar 7 is lightly pushed to the chamfered knife edge on the end surface of the threading die 452 through the limiting of the guide hole on the guide plate 451, the threading head 41 is right moved under stress until the right end of the threading head 41 contacts the left side of the spring 44, the spring 44 is right pushed by 2MM after the spring 44 is contracted by continuously overcoming the elastic force of the spring 44, after a certain torque is felt on the hand, the fastening screw 6 is quickly and tightly screwed, the lower end of the fastening screw 6 is attached to the outer surface of the upper end of the steel bar 7, and the limiting effect of the steel bar 7 is formed, at this time, the threading head 41 is left moved under the action of the spring 44 and completes passive feeding of about half a circle, the threading die 452 forms a thread groove on the surface of the steel bar 7, with the continuous rotation of the motor 48, the threading head 41 is moved to the left and enters the automatic threading state under the action of the thread groove naturally formed by the threading die 452, and automatic feeding is formed at the same time, when the thread groove on the surface of the steel bar 7 reaches the required length, the motor 48 is controlled to reverse by the external control switch, the threading die 452 automatically retreats on the thread groove that has been formed, and retreats to the state that the threading die 452 is separated from the thread groove on the steel bar 7, the threading die 452 does not contact the steel bar 7, the threading head 41 is in an idle state, the retreat stops, the motor 48 stops working under the control of the external control switch, the fastening screw 6 is loosened, and the steel bar 7 that has completed the threading is pulled out to the left, then another steel bar 7 is taken and the above steps are repeated, and the threading work of the steel bar 7 can be quickly performed.

[0025] It is worth noting that the external control switch disclosed in the above embodiment is an STM32F103RCT6 control switch, the motor 48 is a DKM speed regulating motor, and the external control switch controls the motor 48 to work by using a method commonly used in the prior art.

[0026] The above description is only an embodiment of the utility model, and does not limit the patent range of the utility model, and equivalent structures or equivalent process transformations obtained by using the utility model specification and the attached drawings, or direct or indirect application in other related technical fields are also included in the patent protection range of the utility model.

Claims

1. A re-chargeable steel field threading machine characterized in that: It includes the threading seat (1) and the threading mechanism (4); The threading seat (1) is provided with the mounting shell (2) in the middle of the right side of the upper end, and the mounting ring (3) is arranged on the inside of the mounting shell (2); The threading mechanism (4) includes the threading head (41), the spline sleeve (42), the spline (43), the spring (44) and the threading assembly (45), the threading head (41) is rotatably arranged on the inside of the left side of the mounting shell (2), the spline sleeve (42) is rotatably connected to the inside of the mounting ring (3), the splines (43) are arranged on the right side of the inner wall of the threading head (41), the splines (43) are arranged in cooperation with the spline sleeve (42), the spring (44) is arranged between the right side of the threading head (41) and the left side of the mounting ring (3), the spring (44) is sleeved on the right side of the outer surface of the spline sleeve (42), and the threading assembly (45) is arranged on the inside of the left side of the threading head (41).

2. A rechargeable rebar field threading machine as defined in claim 1, wherein: The threading assembly (45) includes the guide plate (451) and the threading die (452), the guide plate (451) is arranged on the right side of the threading head (41), the threading die (452) is arranged on the inside of the right side of the threading head (41), and the axes of the guide plate (451) and the threading die (452) coincide with each other.

3. A rechargeable rebar field threading machine as defined in claim 2, wherein: The threading assembly (45) further includes the blanking port (453), the blanking port (453) is arranged on the outer surface of the threading head (41), and the four blanking ports (453) are distributed in a cross shape with the axis of the threading head (41) as the center.

4. The rechargeable rebar field threading machine of claim 1, wherein: The threading mechanism (4) further includes the thin bearing (46), the thin bearing (46) is slidably connected to the inside of the mounting shell (2), and the inner wall of the thin bearing (46) is fixedly connected to the middle part of the outer surface of the threading head (41).

5. The rechargeable rebar field threading machine of claim 1, wherein: The threading mechanism (4) further includes the connecting jack (47) and the motor (48), the connecting jack (47) is arranged in the middle of the inside of the spline sleeve (42), the motor (48) is arranged on the right side of the mounting ring (3), the input end of the motor (48) is electrically connected with the output end of the external control switch, and the outer surface of the output shaft of the motor (48) is inserted into the inner wall of the spline sleeve (42).

6. The rechargeable rebar field threading machine of claim 2, wherein: It further includes the fixed plate (5), the fastening screw (6) and the steel bar (7), the fixed plate (5) is arranged on the left side of the upper end of the threading seat (1), the fixed clamping hole is arranged in the middle of the inside of the fixed plate (5), the fastening screw (6) is threadedly connected to the middle of the inside of the fixed plate (5), the steel bar (7) is inserted into the inside of the fixed clamping hole, and the lower end of the fastening screw (6) is fixedly connected with the upper end of the outer surface of the steel bar (7).

7. A rechargeable rebar field threading machine as defined in claim 6, wherein: The axes of the guide plate (451), the steel bar (7) and the fixed clamping hole coincide with each other.

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