WO2020206574A1 - 一种建筑用钢筋折弯机 - Google Patents

一种建筑用钢筋折弯机 Download PDF

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Publication number
WO2020206574A1
WO2020206574A1 PCT/CN2019/081655 CN2019081655W WO2020206574A1 WO 2020206574 A1 WO2020206574 A1 WO 2020206574A1 CN 2019081655 W CN2019081655 W CN 2019081655W WO 2020206574 A1 WO2020206574 A1 WO 2020206574A1
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WIPO (PCT)
Prior art keywords
base
wall
steel bar
groove
sleeve
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PCT/CN2019/081655
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English (en)
French (fr)
Inventor
江琳
Original Assignee
江苏江海机床集团有限公司
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Priority to PCT/CN2019/081655 priority Critical patent/WO2020206574A1/zh
Publication of WO2020206574A1 publication Critical patent/WO2020206574A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F1/00—Bending wire other than coiling; Straightening wire
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F1/00—Bending wire other than coiling; Straightening wire
    • B21F1/02—Straightening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F23/00—Feeding wire in wire-working machines or apparatus

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  • the invention relates to the technical field of bending machines, in particular to a steel bar bending machine for construction.
  • the object of the present invention is to provide a steel bar bending machine for construction to solve the problems raised in the background art.
  • a steel bar bending machine for construction including a base, the front end of the base is provided with a turntable, a fixed block and a lower driven roller in order from left to right, and the center of the turntable
  • a rotating rod is connected through a bearing.
  • the rear end of the rotating rod penetrates the front end of the base and is provided with a rotating motor.
  • the rear end of the lower driven roller is connected to the front end of the base through a rotating connector.
  • a connecting block the front end of the connecting block is provided with a left and right through movable groove, a sleeve is clamped in the movable groove, a movable groove is provided on the right side of the front end of the base, and a lifting groove is slidably connected in the movable groove.
  • the inner wall of the top of the groove is evenly provided with spring telescopic rods, the inner walls of the left and right sides of the lifting groove are symmetrically provided with movable grooves, the two groups of movable grooves are slidably connected with installation grooves, and the top of the installation groove is fixedly connected with the bottom of the spring telescopic rod.
  • the inner wall of the mounting groove is connected with a driving shaft and a driven shaft through a bearing.
  • the rear end of the driving shaft penetrates the rear outer wall of the base and is provided with a motor, and the rear outer wall of the base is provided with a slot that matches the movement of the driving shaft.
  • the front ends of the driving shaft and the driven shaft are respectively provided with pulleys through the outer wall of the front side of the mounting groove, and the two sets of pulleys are connected by belts, the outer walls of the driving shaft and the driven shaft are sleeved with upper pressure rollers, and the top of the lifting groove
  • the center is fixedly connected with a screw rod, the top of the screw rod is provided with a handle penetrating the outer wall of the top of the base, the top of the sleeve is screwed with a screw, the top of the screw is provided with an adjustment handle, and the bottom of the screw extends through the sleeve to the inner cavity
  • An upper fixing block is provided, and the bottom of the screw rod is connected with the upper fixing block through a bearing.
  • the upper and left sides of the top of the upper fixing block are provided with limit rods, and the sleeve is provided with a through hole that cooperates with the movement of the limit rod.
  • Three sets of mounting blocks are provided on the inner wall of the bottom of the sleeve, the outer wall of the top of the mounting block is provided with a groove, the inner wall of the bottom of the groove is provided with a spring, the top of the spring is connected with a connecting rod, and three sets of the connecting rod A lower fixing block is connected to the top.
  • the left side of the front end surface of the base is provided with a limiting hole that cooperates with the movement of the sleeve, and the left side of the limiting hole is provided with a semicircular dial, and the standard scale of the semicircular dial is Equal to the diameter of the limit hole.
  • the bottom of the limit rod is connected with the upper fixing block in a threaded manner, the outer wall of the limit rod is provided with a scale line, and the standard scale of the scale line is two centimeters.
  • the upper fixing block and the lower fixing block are both arc-shaped, and the outer wall of the opposite side of the upper fixing block and the lower fixing block is uniformly provided with movable grooves, and a rubber pad is clamped in the movable grooves.
  • the back end surface of the turntable is uniformly provided with movable grooves, the movable grooves are connected with balls through the rotating connector, and the front end surface of the base is provided with an annular groove that cooperates with the movement of the balls.
  • the present invention has the beneficial effects that when bending the steel bar, the steel bar is placed between the upper pressing roller and the lower driven roller, and then the handle is rotated, and the handle drives the screw rod to rotate, and the screw rod rotates.
  • the lifting trough moves down, the lifting trough lowers the upper pressure roller to the top of the steel bar and then starts the motor.
  • the motor drives the driving shaft and the driven shaft to rotate, and the driving shaft and the driven shaft drive the upper pressure roller to rotate to stretch and level the steel bar.
  • rotate the adjusting handle and the adjusting handle drives the screw to rotate.
  • the screw rotates to move the upper fixing block up and down to fix the steel bars of different diameters.
  • the rotating motor drives the rotating rod and the turntable to rotate.
  • the rotation of the turntable drives the connection block and the sleeve to rotate.
  • the sleeve rotation and the fixed block are used to bend the steel bar. Insert the plunger into the corresponding limit hole as needed.
  • the plunger prevents the sleeve Continue to rotate to obtain the steel bar that needs bending angle.
  • the rotating motor is stopped, and the elastic force generated by the spring telescopic rod and the spring deformation both compress the steel bar to prevent the steel bar from slipping and loosening during bending.
  • Figure 1 is a schematic diagram of the structure of the present invention
  • Figure 2 is a schematic diagram of the connection between the sleeve and the limit rod of the present invention.
  • a construction steel bending machine including a base 1, the front end of the base 1 is sequentially provided with a turntable 2, a fixed block 3 and a lower driven roller from left to right 4.
  • the center of the turntable 2 is connected with a rotating rod 5 through a bearing.
  • the rear end of the rotating rod 5 penetrates the front face of the base 1 and is provided with a rotating motor 6.
  • the rear end of the lower driven roller 4 is connected to the front face of the base 1 through a rotating connector, and the turntable 2
  • a connecting block 7 is provided on the left side of the front end surface, and the front end surface of the connecting block 7 is provided with a left and right through movable groove.
  • the sleeve 8 is clamped in the movable groove, and the right side of the base 1 is provided with a movable groove.
  • Lifting groove 9, the inner wall of the top of the lifting groove 9 is evenly provided with spring telescopic rods 10, the inner walls of the left and right sides of the lifting groove 9 are symmetrically provided with movable grooves, the two groups of movable grooves are slidingly connected with installation grooves 11, the top of the installation groove 11 and the spring telescopic rod 10
  • the bottom is fixedly connected, the inner wall of the mounting groove 11 is connected with the driving shaft 12 and the driven shaft 14 through a bearing.
  • the rear end of the driving shaft 12 penetrates the rear outer wall of the base 1 and is provided with a motor 13, and the rear outer wall of the base 1 is provided with a driving shaft 12 Slotting in coordination with the movement, the front ends of the driving shaft 12 and the driven shaft 14 penetrate through the outer wall of the front side of the mounting groove 11 respectively with pulleys, and the two sets of pulleys are connected by belts, and the outer walls of the driving shaft 12 and the driven shaft 14 are sleeved There is an upper pressure roller 15, the top center of the lifting groove 9 is fixedly connected with a screw rod 16.
  • the top of the screw rod 16 penetrates the outer wall of the top of the base 1 is provided with a handle 17, the top of the sleeve 8 is screwed with a screw 20, and the top of the screw 20 is provided with an adjustment handle 21 ,
  • the bottom of the screw 20 extends through the sleeve 8 to the inner cavity is provided with an upper fixing block 22, and the bottom of the screw 20 is connected with the upper fixing block 22 through a bearing, and the top and left sides of the upper fixing block 22 are provided with limit rods 23, and the sleeve 8 is provided with a through hole that cooperates with the movement of the limit rod 23,
  • the bottom inner wall of the sleeve 8 is provided with three sets of mounting blocks 24, the top outer wall of the mounting block 24 is provided with a groove 25, and the bottom inner wall of the groove 25 is provided with a spring 26, spring 26
  • a connecting rod 27 is connected to the top, a lower fixing block 28 is connected to the top of the three groups of connecting rods 27, and the fixing block 3 has a circular
  • the left side of the front end of the base 1 is provided with a limit hole 19 that cooperates with the movement of the sleeve 8, and the left side of the limit hole 19 is provided with a semicircular dial 18, and a semicircular dial 18
  • the standard scale is equal to the diameter of the limit hole 19. According to the bending angle of the steel bar required by the construction project, insert the plunger into the limit hole 19 according to the scale on the semicircular dial 18.
  • the turntable 2 drives the sleeve 8 to rotate to When the plunger is in the position, the plunger prevents the sleeve 8 from continuing to rotate, and the steel bar at this time has reached the required bending angle;
  • the bottom of the limit rod 23 and the upper fixing block 22 are connected by threads.
  • the outer wall of the limit rod 23 is provided with a scale line, and the standard scale of the scale line is two centimeters, which is rotated according to the diameter of the bent steel bar.
  • Adjust the handle 21, the adjustment handle 21 drives the screw 20 to rotate, and the screw 20 rotates under the cooperation of the limit rod 23 to drive the upper fixing block 22 to fall to fix the steel bars;
  • the upper fixed block 22 and the lower fixed block 28 are both arc-shaped, and the outer wall of the upper fixed block 22 and the lower fixed block 28 is evenly provided with movable grooves, and the rubber pads and springs are clamped in the movable grooves. 26
  • the elastic force generated by the deformation compresses the steel bars to avoid loosening when the steel bars are bent;
  • the back end of the turntable 2 is evenly provided with movable grooves, the movable grooves are connected with balls through the rotating connector, and the front end of the base 1 is provided with an annular groove that cooperates with the movement of the balls to improve the relative relationship between the turntable 2 and the base 1. Fluency of movement.
  • the handle 17 drives the screw 16 to rotate, and the screw 16 rotates to move the lifting groove 9 up and down, changing the upper pressure roller 15 and the lower driven roller.
  • the steel bars of different diameters are leveled and straightened, and then the steel bars are inserted into the sleeve 8.
  • the adjusting handle 21 is rotated.
  • the adjusting handle 21 drives the screw 20 to rotate, and the screw 20 rotates to make the upper fixed block 22 Move up and down to compress the steel bar, and then start the rotating motor 6 and the motor 13, the motor 13 drives the driving shaft 12 and the driven shaft 14 to rotate, and the driving shaft 12 and the driven shaft 14 drive the upper pressing roller 15 to rotate to stretch the steel bar.
  • the rotating motor 6 drives the rotating rod 5 and the turntable 2 to rotate, the turntable 2 rotates to drive the connecting block 7 and the sleeve 8 to rotate, and the sleeve 8 rotates to cooperate with the fixed block 3 to bend the steel bar, and
  • the spring telescopic rod 10 and the spring 26 are compressed, and the elastic force generated by the deformation of the spring telescopic rod 10 and the spring 26 compresses the steel bar to prevent the steel bar from slipping and loosening when it is bent.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wire Processing (AREA)

Abstract

一种建筑用钢筋折弯机，包括底座（1），底座（1）前端面从左到右依次设置有转盘（2）、固定块（3）和下从动辊（4），转盘中心通过轴承连接有转杆（5），转杆的后端贯穿底座前端面设置有旋转电机（6），转盘前端面左侧设置有连接块（7），连接块前端面设置有左右贯通的活动槽，活动槽内卡接有套筒（8），在对钢筋进行折弯时，上固定块（22）上下移动对不同直径的钢筋进行固定，然后开启旋转电机，旋转电机带动转杆和转盘旋转，根据需要将插杆插入对应的限位孔（19）内，在套筒旋转到插杆位置时，插杆阻止套筒继续旋转，得到需要弯折角度的钢筋，弹簧伸缩杆（10）和弹簧（26）形变产生的弹力均对钢筋进行压紧，避免钢筋在弯折时打滑松动。

Description

一种建筑用钢筋折弯机 技术领域
本发明涉及折弯机技术领域，具体为一种建筑用钢筋折弯机。
背景技术
在建筑工地上钢筋运用十分普遍，且钢筋用于特殊工作时需要进行整平弯折，由于钢筋到的强度较高，通常需要用到折弯机，但传统的折弯机只能对一种直径的钢筋进行弯折，功能较为单一，为此，我们提出一种建筑用钢筋折弯机。
发明内容
本发明的目的在于提供一种建筑用钢筋折弯机，以解决上述背景技术中提出的问题。
为实现上述目的，本发明提供如下技术方案：一种建筑用钢筋折弯机，包括底座，所述底座前端面从左到右依次设置有转盘、固定块和下从动辊，所述转盘中心通过轴承连接有转杆，所述转杆的后端贯穿底座前端面设置有旋转电机，所述下从动辊后端通过转动连接件与底座前端面连接，所述转盘前端面左侧设置有连接块，所述连接块前端面设置有左右贯通的活动槽，活动槽内卡接有套筒，所述底座前端面右侧设置有活动槽，活动槽内滑动连接有升降槽，所述升降槽顶部内壁均匀设置有弹簧伸缩杆，所述升降槽左右两侧内壁对称设置有活动槽，两组活动槽内滑动连接有安装槽，所述安装槽顶部与弹簧伸缩杆底部固定连接，所述安装槽内壁通过轴承连接有主动轴和从动轴，所述主动轴的后端贯穿底座后侧外壁设置有电机，且所述底座后侧外壁设置有与主动轴运动相配合的开槽，所述主动轴和从动轴的前端贯穿安装槽前侧外壁分别设置有皮带轮，且两组皮带轮通过皮带连接，所述主动轴和从动轴外壁均套接有上压辊，所述升降槽顶部中心固定连接有丝杆，所述丝杆顶部贯穿底座顶部外壁设置有手柄，所述套筒顶部螺纹连接有螺杆，所述 螺杆顶部设置有调节手柄，所述螺杆底部贯穿套筒延伸至内腔设置有上固定块，且所述螺杆底部与上固定块通过轴承连接，所述上固定块顶部左右两侧均设置有限位杆，且所述套筒设置有与限位杆运动相配合的通孔，所述套筒底部内壁设置有三组安装块，所述安装块顶部外壁设置有凹槽，所述凹槽底部内壁设置有弹簧，所述弹簧顶部连接有连接杆，三组所述连接杆顶部连接有下固定块。
进一步地，所述底座前端面左侧设置有与套筒运动相配合的限位孔，所述限位孔的左侧设置有半圆形刻度盘，且所述半圆形刻度盘的标准刻度等于限位孔的直径。
进一步地，所述限位杆底部与上固定块通过螺纹方式连接，所述限位杆外壁设置有设置有刻度线，且刻度线的标准刻度为两厘米。
进一步地，所述上固定块和下固定块均为弧形，且所述上固定块与下固定块相对一侧外壁均匀设置有活动槽，活动槽内卡接有橡胶垫。
进一步地，所述转盘后端面均匀设置有活动槽，活动槽通过转动连接件连接有滚珠，且所述底座前端面设置有与滚珠运动相配合的环形凹槽。
与现有技术相比，本发明的有益效果是：在对钢筋进行弯折时，将钢筋放置在上压辊和下从动辊之间，然后旋转手柄，手柄带动丝杆旋转，丝杆旋转使升降槽向下移动，升降槽将上压辊下降到钢筋顶部然后启动电机，电机带动主动轴和从动轴旋转，主动轴和从动轴带动上压辊旋转对钢筋进行拉伸整平，然后将钢筋插入套筒内，此时旋转调节手柄，调节手柄带动螺杆旋转，螺杆旋转使上固定块上下移动对不同直径的钢筋进行固定，然后启动旋转电机，旋转电机带动转杆和转盘旋转，转盘旋转带动连接块与套筒旋转，套筒旋转与固定块配合将钢筋弯折，根据需要将插杆插入对应的限位孔内，在套筒旋转到插杆位置时，插杆阻止套筒继续旋转，得到需要弯折角度的钢筋，此时旋转电机被停止，而此时弹簧伸缩杆和弹簧形变产生的弹力均对钢筋进 行压紧，避免钢筋在弯折时打滑松动。
附图说明
图1为本发明结构示意图；
图2为本发明套筒与限位杆连接示意图。
图中：1、底座；2、转盘；3、固定块；4、下从动辊；5、转杆；6、旋转电机；7、连接块；8、套筒；9、升降槽；10、弹簧伸缩杆；11、安装槽；12、主动轴；13、电机；14、从动轴；15、上压辊；16、丝杆；17、手柄；18、半圆形刻度盘；19、限位孔；20、螺杆；21、调节手柄；22、上固定块；23、限位杆；24、安装块；25、凹槽；26、弹簧；27、连接杆；28、下固定块。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参阅图1-2，本发明提供一种技术方案：一种建筑用钢筋折弯机，包括底座1，底座1前端面从左到右依次设置有转盘2、固定块3和下从动辊4，转盘2中心通过轴承连接有转杆5，转杆5的后端贯穿底座1前端面设置有旋转电机6，下从动辊4后端通过转动连接件与底座1前端面连接，转盘2前端面左侧设置有连接块7，连接块7前端面设置有左右贯通的活动槽，活动槽内卡接有套筒8，底座1前端面右侧设置有活动槽，活动槽内滑动连接有升降槽9，升降槽9顶部内壁均匀设置有弹簧伸缩杆10，升降槽9左右两侧内壁对称设置有活动槽，两组活动槽内滑动连接有安装槽11，安装槽11顶部与弹簧伸缩杆10底部固定连接，安装槽11内壁通过轴承连接有主动轴12和从动轴14，主动轴12的后端贯穿底座1后侧外壁设置有电机13，且底座1后侧外壁设置 有与主动轴12运动相配合的开槽，主动轴12和从动轴14的前端贯穿安装槽11前侧外壁分别设置有皮带轮，且两组皮带轮通过皮带连接，主动轴12和从动轴14外壁均套接有上压辊15，升降槽9顶部中心固定连接有丝杆16，丝杆16顶部贯穿底座1顶部外壁设置有手柄17，套筒8顶部螺纹连接有螺杆20，螺杆20顶部设置有调节手柄21，螺杆20底部贯穿套筒8延伸至内腔设置有上固定块22，且螺杆20底部与上固定块22通过轴承连接，上固定块22顶部左右两侧均设置有限位杆23，且套筒8设置有与限位杆23运动相配合的通孔，套筒8底部内壁设置有三组安装块24，安装块24顶部外壁设置有凹槽25，凹槽25底部内壁设置有弹簧26，弹簧26顶部连接有连接杆27，三组连接杆27顶部连接有下固定块28，固定块3的横截面呈圆形。
如图1所示，底座1前端面左侧设置有与套筒8运动相配合的限位孔19，限位孔19的左侧设置有半圆形刻度盘18，且半圆形刻度盘18的标准刻度等于限位孔19的直径，根据建筑工程需要的钢筋弯折角度，对照半圆形刻度盘18上的刻度将插杆插入限位孔19内，当转盘2带动套筒8旋转到插杆位置时，插杆阻止套筒8继续旋转，此时的钢筋已经达到需要的弯折角度；
如图2所示，限位杆23底部与上固定块22通过螺纹方式连接，限位杆23外壁设置有设置有刻度线，且刻度线的标准刻度为两厘米，根据弯折钢筋的直径旋转调节手柄21，调节手柄21带动螺杆20旋转，螺杆20在限位杆23的配合下旋转带动上固定块22下降，对钢筋进行固定；
如图2所示，上固定块22和下固定块28均为弧形，且上固定块22与下固定块28相对一侧外壁均匀设置有活动槽，活动槽内卡接有橡胶垫，弹簧26形变产生的弹力对钢筋进行压紧，避免在钢筋弯折时松动；
如图1所示，转盘2后端面均匀设置有活动槽，活动槽通过转动连接件连接有滚珠，且底座1前端面设置有与滚珠运动相配合的环形凹槽，提高转盘2与底座1相对运动的流畅性。
实施例：在对钢筋进行弯折时，首先根据钢筋的直径旋转手柄17，手柄17带动丝杆16旋转，丝杆16旋转使升降槽9上下移动，改变了上压辊15与下从动辊4之间的距离，进而对不同直径的钢筋进行整平拉直，然后将钢筋插入套筒8内，此时旋转调节手柄21，调节手柄21带动螺杆20旋转，螺杆20旋转使上固定块22上下移动对钢筋进行压紧，然后启动旋转电机6和电机13，电机13带动主动轴12和从动轴14旋转，主动轴12和从动轴14带动上压辊15旋转对钢筋进行拉伸，此时上压辊15与钢筋接触，旋转电机6带动转杆5和转盘2旋转，转盘2旋转带动连接块7与套筒8旋转，套筒8旋转与固定块3配合将钢筋弯折，而此时弹簧伸缩杆10和弹簧26被压缩，弹簧伸缩杆10和弹簧26形变产生的弹力均对钢筋进行压紧，避免钢筋在弯折时打滑松动。
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。

Claims (5)

  1. 一种建筑用钢筋折弯机，包括底座(1)，其特征在于：所述底座(1)前端面从左到右依次设置有转盘(2)、固定块(3)和下从动辊(4)，所述转盘(2)中心通过轴承连接有转杆(5)，所述转杆(5)的后端贯穿底座(1)前端面设置有旋转电机(6)，所述下从动辊(4)后端通过转动连接件与底座(1)前端面连接，所述转盘(2)前端面左侧设置有连接块(7)，所述连接块(7)前端面设置有左右贯通的活动槽，活动槽内卡接有套筒(8)，所述底座(1)前端面右侧设置有活动槽，活动槽内滑动连接有升降槽(9)，所述升降槽(9)顶部内壁均匀设置有弹簧伸缩杆(10)，所述升降槽(9)左右两侧内壁对称设置有活动槽，两组活动槽内滑动连接有安装槽(11)，所述安装槽(11)顶部与弹簧伸缩杆(10)底部固定连接，所述安装槽(11)内壁通过轴承连接有主动轴(12)和从动轴(14)，所述主动轴(12)的后端贯穿底座(1)后侧外壁设置有电机(13)，且所述底座(1)后侧外壁设置有与主动轴(12)运动相配合的开槽，所述主动轴(12)和从动轴(14)的前端贯穿安装槽(11)前侧外壁分别设置有皮带轮，且两组皮带轮通过皮带连接，所述主动轴(12)和从动轴(14)外壁均套接有上压辊(15)，所述升降槽(9)顶部中心固定连接有丝杆(16)，所述丝杆(16)顶部贯穿底座(1)顶部外壁设置有手柄(17)，所述套筒(8)顶部螺纹连接有螺杆(20)，所述螺杆(20)顶部设置有调节手柄(21)，所述螺杆(20)底部贯穿套筒(8)延伸至内腔设置有上固定块(22)，且所述螺杆(20)底部与上固定块(22)通过轴承连接，所述上固定块(22)顶部左右两侧均设置有限位杆(23)，且所述套筒(8)设置有与限位杆(23)运动相配合的通孔，所述套筒(8)底部内壁设置有三组安装块(24)，所述安装块(24)顶部外壁设置有凹槽(25)，所述凹槽(25)底部内壁设置有弹簧(26)，所述弹簧(26)顶部连接有连接杆(27)，三组所述连接杆(27)顶部连接有下固定块(28)。
  2. 根据权利要求1所述的一种建筑用钢筋折弯机，其特征在于：所述底 座(1)前端面左侧设置有与套筒(8)运动相配合的限位孔(19)，所述限位孔(19)的左侧设置有半圆形刻度盘(18)，且所述半圆形刻度盘(18)的标准刻度等于限位孔(19)的直径。
  3. 根据权利要求1所述的一种建筑用钢筋折弯机，其特征在于：所述限位杆(23)底部与上固定块(22)通过螺纹方式连接，所述限位杆(23)外壁设置有设置有刻度线，且刻度线的标准刻度为两厘米。
  4. 根据权利要求1所述的一种建筑用钢筋折弯机，其特征在于：所述上固定块(22)和下固定块(28)均为弧形，且所述上固定块(22)与下固定块(28)相对一侧外壁均匀设置有活动槽，活动槽内卡接有橡胶垫。
  5. 根据权利要求1所述的一种建筑用钢筋折弯机，其特征在于：所述转盘(2)后端面均匀设置有活动槽，活动槽通过转动连接件连接有滚珠，且所述底座(1)前端面设置有与滚珠运动相配合的环形凹槽。
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