CN214321605U

CN214321605U - Steel bar bender

Info

Publication number: CN214321605U
Application number: CN202120400634.1U
Authority: CN
Inventors: 朱伟
Original assignee: Shanghai Yuandong Yangyuan Road And Bridge Co ltd
Current assignee: Shanghai Yuandong Yangyuan Road And Bridge Co ltd
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-10-01
Anticipated expiration: 2031-02-23

Abstract

The application relates to a steel bar bender, which comprises a bender body and a workbench positioned at the top of the bender body, wherein the workbench is provided with a fixing component for fixing the fixed end of a steel bar; the fixing assembly comprises a fixing seat detachably connected to the workbench and a fixing bolt in threaded connection with the fixing seat, the fixing seat is provided with a threaded hole for threaded connection of the fixing bolt, and a bolt rod of the fixing bolt is pressed on a fixing end of the reinforcing steel bar. The problem that there is axial displacement when the bending in the stiff end of reinforcing bar is solved to this application.

Description

Steel bar bender

Technical Field

The application relates to the field of steel bar processing equipment, in particular to a steel bar bender.

Background

The steel bar bender is used to bend the cut steel bars into required shape and size, and is mainly used in building construction and other industries.

Referring to fig. 1, a steel bar bender in the related art mainly includes a machine body, a workbench located at the top of the machine body, and a working disc located on the workbench and capable of rotating around a central axis of the working disc, wherein the working disc is provided with a plurality of jacks for inserting bending columns; the central shaft of the working disc is provided with a shaft hole for inserting the central column. The top surface of the workbench is also provided with a limiting seat, a limiting hole is formed in the limiting seat along the length of the limiting seat, and a limiting column is inserted in the limiting hole. The worktable surface is also provided with a placing seat for placing the reinforcing steel bars. The reinforcing bar has crooked end and stiff end, when buckling the reinforcing bar, places between center post and crooked post through the crooked end with the reinforcing bar, and the stiff end of reinforcing bar is placed on placing the seat, and the spacing post is hugged closely to the reinforcing bar. The working disc is driven by a driving motor and a speed reducer which are arranged inside the machine body, when the working disc rotates to bend the reinforcing steel bars, the central column and the limiting column play a role in fixing the reinforcing steel bars, and the bending column bends the bending end of the reinforcing steel bars.

With respect to the related art in the above, the inventor believes that there is a possibility that the fixed end of the reinforcing bar in the related art moves axially when bending, thereby causing the bending position of the reinforcing bar to be inconsistent with the previously assumed position and the bending quality of the reinforcing bar to be poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a there is axial displacement's problem when the bending in order to solve the stiff end of reinforcing bar, this application provides a steel bar bender.

The application provides a steel bar bender adopts following technical scheme:

a steel bar bender comprises a machine body and a workbench positioned at the top of the machine body, wherein the workbench is provided with a fixing assembly for fixing the fixed end of a steel bar; the fixing assembly comprises a fixing seat detachably connected to the workbench and a fixing bolt in threaded connection with the fixing seat, the fixing seat is provided with a threaded hole for threaded connection of the fixing bolt, and a bolt rod of the fixing bolt is pressed on a fixing end of the reinforcing steel bar.

Through adopting above-mentioned technical scheme, a steel bar bender includes fuselage and workstation, be equipped with the fixed subassembly of fixed reinforcing bar on the workstation, fixed subassembly includes fixing base and fixing bolt, fixing bolt threaded connection is in the fixed orifices of fixing base, through rotating fixing bolt, make fixing bolt's shank of bolt support and press on the reinforcing bar, thereby compress tightly the stiff end of reinforcing bar, make the reinforcing bar can produce great frictional force with fixing bolt when the trend of taking place axial displacement, restrict the removal of reinforcing bar.

Optionally, the bottom of the bolt rod of the fixing bolt is connected with a rubber pad, and the rubber pad is pressed against the steel bar.

Through adopting above-mentioned technical scheme, fixing bolt is connected with the rubber pad, and the rubber pad supports presses on the reinforcing bar, through being equipped with the rubber pad for fixing bolt supports and can not produce surface wear to the reinforcing bar when pressing on the reinforcing bar, and when rubber pad and reinforcing bar contact, coefficient of friction between rubber pad and the reinforcing bar is higher, thereby restricts the reinforcing bar better and removes.

Optionally, the fixing seat is located below the fixing bolt and is provided with a supporting plate for supporting a steel bar.

Through adopting above-mentioned technical scheme, the fixing base is located fixing bolt's below and is equipped with the backup pad to when compressing tightly the reinforcing bar downwards through fixing bolt, fixing bolt can not cause the bending deformation of reinforcing bar stiff end.

Optionally, two opposite side faces of the fixing seat are provided with fixing blocks, the bottom face of each fixing block is provided with a dovetail block, the side face of the workbench is provided with a dovetail groove for inserting the dovetail block, and the fixing blocks are connected with locking pieces for locking the dovetail blocks in the dovetail grooves.

Through adopting above-mentioned technical scheme, the fixing base is equipped with the fixed block, and through the dovetail block that will be connected with the fixed block insert in the dovetail of workstation. The fixing of the fixing seat in the vertical direction is realized.

Optionally, the locking piece is a locking pin, a fixing hole which penetrates through the bottom surface of the dovetail block and into which the locking pin is inserted is formed in the top surface of the fixing block, and a fixing groove into which the locking pin is inserted is formed in the bottom surface of the dovetail groove of the workbench; the locking pin is provided with a locking assembly for locking the locking pin in the fixing groove.

Through adopting above-mentioned technical scheme, be the stop pin with the locking piece of forked tail piece locking in the dovetail, through inserting the stop pin in the fixed orifices of fixed block and the fixed slot of workstation in proper order, the stop pin restriction forked tail piece slides in the dovetail to realize the fixed of fixing base.

Optionally, the locking assembly includes a locking block and a locking spring, an accommodating groove for accommodating the locking block and the locking spring is formed in an outer wall of the locking pin, and a locking groove for inserting the locking block is formed in an inner wall of the fixing groove of the workbench; the locking spring is a pressure spring, and two ends of the locking spring are respectively connected to the end face of the locking block and the groove bottom face of the accommodating groove.

Through adopting above-mentioned technical scheme, the locking subassembly of locking the stop pin in the fixed slot includes locking piece and locking spring, and locking piece and locking spring holding are in the storage tank of stop pin, and the locking spring is the pressure spring, and the both ends of locking spring are connected respectively at the terminal surface of locking piece and the tank bottom surface of storage tank for locking spring drive locking piece has the trend of inserting the locking groove all the time, inserts the locking groove back when the locking piece, and the locking piece has restricted the removal of stop pin in the fixed slot.

Optionally, the locking block is provided with a first guiding inclined surface which is matched with the fixing block when the locking pin is inserted into the fixing hole.

Through adopting above-mentioned technical scheme, the locking piece is equipped with first direction inclined plane, and when the stop pin inserted the fixed orifices, first direction inclined plane played the guide effect, and the locking piece is extruded by the fixed block back in the storage tank to make things convenient for the stop pin to insert the fixed orifices.

Optionally, the locking block is further provided with a second guiding inclined surface which is matched with the workbench when the locking pin rotates in the circumferential direction.

Through adopting above-mentioned technical scheme, the locking piece is equipped with second direction inclined plane, and when the stop pin inserted in the fixed slot, the circumferential direction stop pin, second direction inclined plane played the guide effect to in making the locking piece extruded back the storage tank, realizing the circumference unblock of stop pin this moment, conveniently extracting the stop pin from the fixed slot.

In summary, the present application includes at least one of the following beneficial technical effects:

1. a steel bar bender is characterized in that a fixing bolt is rotated to enable a bolt rod of the fixing bolt to be pressed against a steel bar, so that a fixed end of the steel bar is pressed, the steel bar can generate a large friction force with the fixing bolt when the steel bar tends to move axially, and the movement of the steel bar is limited;

2. the dovetail block connected with the fixed block is inserted into the dovetail groove of the workbench. The fixing of the fixing seat in the vertical direction is realized, and the locking pin is sequentially inserted into the fixing hole of the fixing block and the fixing groove of the workbench and limits the sliding of the dovetail block in the dovetail groove, so that the fixing of the fixing seat is realized;

3. the locking spring drives the locking block to be inserted into the locking groove, so that the locking pin is axially locked, and at the moment, the locking pin is difficult to pull out from the fixing groove.

Drawings

Fig. 1 is a schematic structural view of a reinforcing bar bender in the related art.

Fig. 2 is a schematic structural diagram of a steel bar bender in an embodiment of the present application.

Fig. 3 is a partial structural schematic diagram of a steel bar bender in an embodiment of the present application.

Fig. 4 is a sectional view of the mounting structure of the holder.

Fig. 5 is a schematic view of the fixing pin.

Description of reference numerals: 1. a body; 2. a work table; 21. a dovetail groove; 22. fixing grooves; 23. a locking groove; 3. a working plate; 31. a jack; 32. bending the column; 33. a shaft hole; 34. a central column; 4. a limiting seat; 41. a limiting hole; 42. a limiting column; 5. a placing seat; 6. reinforcing steel bars; 61. a bent end; 62. a fixed end; 7. a fixed seat; 71. a support plate; 72. a threaded hole; 73. a fixed block; 731. a fixing hole; 74. a dovetail block; 8. fixing the bolt; 81. a rubber pad; 82. rubbing the grains; 9. a locking pin; 91. a locking block; 911. a first guide slope; 912. a second guide slope; 92. a locking spring; 93. a containing groove; 94. the handle is rotated.

Detailed Description

The present application is described in further detail below with reference to figures 2-5.

The embodiment of the application discloses angle bending machine. Referring to fig. 2, the steel bar bender comprises a machine body 1, a workbench 2 arranged at the top of the machine body 1, and a working disc 3 which is positioned on the workbench 2 and can rotate around a central axis of the working disc 3, wherein a plurality of insertion holes 31 are formed in the working disc 3, and a bending column 32 is fixedly inserted into the insertion holes 31; the working plate 3 is provided with a shaft hole 33 at the central axis, and a central column 34 is inserted and fixed on the shaft hole 33. The worktable 2 is further provided with a limiting seat 4, a plurality of limiting holes 41 are formed in the limiting seat 4 along the length direction of the limiting seat, and a limiting column 42 is fixedly inserted into one limiting hole 41. The worktable 2 is also provided with a placing seat 5 for supporting the reinforcing steel bars 6. The reinforcing bar 6 for bending includes a bent end 61 and a fixed end 62, and when bending the reinforcing bar 6, the fixed end 62 of the reinforcing bar 6 is placed on the placing seat 5 by placing the bent end 61 of the reinforcing bar 6 between the central pillar 34 and the bent pillar 32, and the reinforcing bar 6 is closely attached to the stopper pillar 42. Work dish 3 is through setting up driving motor and the reduction gear drive in fuselage 1 inside, when work dish 3 rotates to the reinforcing bar 6 and bends, center post 34 and spacing post 42 play the fixed action to reinforcing bar 6, and crooked post 32 is buckled to the crooked end 61 of reinforcing bar 6.

Referring to fig. 2, a fixing member for fixing the fixing end 62 of the reinforcing bar 6 is further provided on the table 2. The fixing component comprises a fixing seat 7 connected to the surface of the workbench 2 in a sliding mode and a fixing bolt 8 matched with the fixing seat 7 to fix the steel bar 6. The fixing seat 7 is provided with a through hole for the steel bar 6 to pass through, and the fixing seat 7 is fixedly welded with a supporting plate 71 for supporting the steel bar 6.

The fixing bolt 8 is vertically arranged, and a threaded hole 72 for the fixing bolt 8 to be in threaded connection is formed in the center of the top surface of the fixing seat 7. The shank of the bolt of fixing bolt 8 is through vertical downward threaded connection in screw hole 72, and the bottom of the shank of the bolt of fixing bolt 8 is worn out screw hole 72 and is fixed with rubber pad 81 through glue, and rubber pad 81 supports and presses on reinforcing bar 6 to compress tightly the stiff end 62 of reinforcing bar 6, make reinforcing bar 6 be difficult to remove. Rubber pad 81 compresses tightly because deformation is the cambered surface at the terminal surface of reinforcing bar 6, has increased the area of contact with reinforcing bar 6, and when reinforcing bar 6 had the trend of axial displacement, the frictional force restriction reinforcing bar 6's that rubber pad 81 and reinforcing bar 6 produced removal.

The bolt head of fixing bolt 8 is the disc form, and the outer wall of fixing bolt 8 is equipped with friction line 82 to when the bolt head of rotating fixing bolt 8, can reduce the probability that hand and bolt head skid.

Two opposite side faces of the fixing seat 7 are integrally connected with fixing blocks 73, and the bottom surfaces of the fixing blocks 73 are flush with the bottom surface of the fixing seat 7. The bottom surface of the fixed block 73 is integrally connected with a dovetail block 74, the side surface of the workbench 2 is provided with a dovetail groove 21 for the dovetail block 74 to be horizontally inserted, and the fixed plate is also connected with a locking piece for fixing the fixed plate in the dovetail groove 21.

Referring to fig. 3 and 4, the locking member is a locking pin 9, and the locking pin 9 has a cylindrical shape. The top surface of the fixed block 73 is provided with a fixed hole 731 extending to the bottom surface of the dovetail block 74, and the fixed hole 731 is used for the locking pin 9 to vertically insert downwards. The inner bottom surface of the working platform 2 positioned in the dovetail groove 21 is provided with a fixing groove 22 for the locking pin 9 to vertically insert downwards. When the locking pin 9 is inserted into the fixing hole 731 and the fixing groove 22 in this order, the dovetail block 74 is restricted from sliding in the dovetail groove 21. The locking pin 9 is further provided with a locking assembly to lock it in the locking groove 23.

The locking assembly comprises a locking block 91 and a locking spring 92, the outer wall of the bottom end of the locking pin 9 is provided with an accommodating groove 93 for accommodating the locking block 91 and the locking spring 92, and the inner wall of the workbench 2, which is positioned in the fixing groove 22, is provided with a locking groove 23 for inserting the locking block 91. The locking spring 92 is a compression spring, and both ends of the locking spring 92 are connected to the end surface of the locking block 91 and the groove bottom surface of the accommodating groove 93, respectively. When the lock spring 92 drives the lock block 91 to be inserted into the lock groove 23, the lock pin 9 is locked in the axial direction, and at this time, the lock pin 9 is hard to be pulled out from the fixing groove 22.

Referring to fig. 4 and 5, the locking block 91 is provided with a first guide slope 911 to be engaged with the fixing block 73 when the locking pin 9 is inserted into the fixing hole 731. When the locking pin 9 is inserted into the fixing hole 731, the first guiding inclined plane 911 serves as a guide, and at this time, the locking block 91 is pressed back into the receiving groove 93 by the fixing block 73, and the locking block 91 is further provided with a second guiding inclined plane 912 which is matched with the workbench 2 when the locking pin 9 rotates in the circumferential direction. When the locking pin 9 rotates circumferentially, the second guide inclined surface 912 plays a guiding role, at this time, the locking block 91 is pressed back into the accommodating groove 93, the locking pin 9 is unlocked axially, and the locking pin 9 can be pulled out of the fixing groove 22.

The top surface of the locking pin 9 is also welded and fixed with a rotating handle 94, thereby facilitating circumferential rotation of the locking pin 9 or pulling out of the locking pin 9 in the fixing groove 22 and the fixing hole 731.

The implementation principle of this application embodiment angle bending machine does: when the reinforcing steel bar 6 is bent, the fixed end 62 of the reinforcing steel bar 6 is placed on the supporting plate 71 of the fixed seat 7, the bent end 61 of the reinforcing steel bar 6 is placed on the working disc 3, and the fixing bolt 8 is rotated, so that the rubber gasket 81 is pressed on the reinforcing steel bar 6 by the fixing bolt 8, and the effect of fixing the reinforcing steel bar 6 is achieved; the working disc 3 is rotated to complete the bending of the reinforcing bars 6.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a steel bar bender which characterized in that: the steel bar fixing device comprises a machine body (1) and a workbench (2) positioned at the top of the machine body (1), wherein a fixing component for fixing a fixing end (62) of a steel bar (6) is arranged on the workbench (2); fixed subassembly is including dismantling fixing base (7) and the fixing bolt (8) of threaded connection on fixing base (7) of connection on workstation (2), fixing base (7) are equipped with the confession fixing bolt (8) threaded connection's screw hole (72), the shank of bolt of fixing bolt (8) supports and presses on stiff end (62) of reinforcing bar (6).

2. A bar bender according to claim 1, wherein: the bottom of the bolt rod of the fixing bolt (8) is connected with a rubber pad (81), and the rubber pad (81) is pressed on the steel bar (6).

3. A bar bender according to claim 1, wherein: the fixing seat (7) is positioned below the fixing bolt (8) and is provided with a supporting plate (71) for supporting the reinforcing steel bar (6).

4. A bar bender according to claim 1, wherein: two opposite side of fixing base (7) are equipped with fixed block (73), the bottom surface of fixed block (73) is equipped with dovetail block (74), the side of workstation (2) is equipped with the confession dovetail block (74) male dovetail (21), fixed block (73) are connected with and lock it locking piece in dovetail (21).

5. A bender according to claim 4, wherein: the locking piece is a locking pin (9), the top surface of the fixing block (73) is provided with a fixing hole (731) which penetrates through the bottom surface of the dovetail block (74) and into which the locking pin (9) is inserted, and the bottom surface of the working table (2) positioned in the dovetail groove (21) is provided with a fixing groove (22) into which the locking pin (9) is inserted; the locking pin (9) is provided with a locking assembly for locking the locking pin in the fixing groove (22).

6. A bender according to claim 5, wherein: the locking assembly comprises a locking block (91) and a locking spring (92), an accommodating groove (93) for accommodating the locking block (91) and the locking spring (92) is formed in the outer wall of the locking pin (9), and a locking groove (23) for inserting the locking block (91) is formed in the inner wall, located on the fixing groove (22), of the workbench (2); the locking spring (92) is a pressure spring, and two ends of the locking spring (92) are respectively connected to the end face of the locking block (91) and the groove bottom face of the accommodating groove (93).

7. A bender according to claim 6, wherein: the locking block (91) is provided with a first guide inclined surface (911) which is matched with the fixing block (73) when the locking pin (9) is inserted into the fixing hole (731).

8. A bender according to claim 6, wherein: the locking block (91) is further provided with a second guide inclined surface (912) which is matched with the workbench (2) when the locking pin (9) rotates in the circumferential direction.