Summary of the invention
The purpose of the present invention is to provide a kind of bending device for rebars, are easy to slip to solve reinforcing bar its end in bending
The problem of.
In order to achieve the above object, base case of the invention are as follows: bending device for rebars, including pedestal, on the pedestal
It equipped with sliding slot, being slidably connected in sliding slot there are two slide, is equipped with electromagnet on two slides, the material of sliding slot is magnetically permeable, and two
Fixed cell is also equipped on a slide, the fixed cell includes cylinder, sliding rail, sliding block and fixing barrel, and the cylinder is fixed
On slide, the sliding rail is vertically arranged on slide, and the sliding rail includes vertical portion and bending section, and the crooked position is in perpendicular
Towards another sliding rail, the sliding block is slidably connected on the slide rail for the top and its curved direction in straight portion, and sliding block is equipped with the
One spring, the first spring are connect far from one end of sliding block with fixing barrel, and the fixing barrel is in barrel-shaped and fixing barrel opening court, side
To another slide, the inner wall of fixing barrel is equipped with the first elastomer block, and the bottom of fixing barrel and the telescopic end of cylinder offset;It is described
Strut is additionally provided on pedestal, strut is located between two slides, and the top of strut is equipped with locating rod, locating rod and sliding rail vertical portion
Top flush, the bottom of locating rod is arc and is equipped with several second springs, and the bottom of second spring sets flexible metal
Piece.
The working principle of this base case is: two ends of reinforcing bar are inserted into first elastomer block of two fixing barrels
In, then by slide to sliding in the middle part of reinforcing bar, so that the end of fixing barrel and reinforcing bar pushes against, start electromagnet, at this time electromagnet
Tightly attract on the chute, reinforcing bar is secured in two fixing barrels.Start cylinder, the telescopic end of cylinder by fixing barrel to
Upper promotion, fixing barrel drive reinforcing bar to move up, can move closer to and touch locating rod when reinforcing bar moves up, locating rod with
The contact position of reinforcing bar can be blocked and two ends of reinforcing bar can also be as fixing barrel moves up, so reinforcing bar will be curved
It is bent.Simultaneously because flushing at the top of locating rod and sliding rail vertical portion, fixing barrel reinforcing bar when moving on the vertical portion of sliding rail does not have
It is contacted with locating rod, so reinforcing bar will not be bent.Only when fixing barrel moves on the bending section of sliding rail, reinforcing bar can be just bent,
Bending section is bent towards the direction of locating rod, so fixing barrel and sliding block can be tilted gradually upward when moving on the bends, and this
When reinforcing bar end also can gradually tilt upward, under the active force of the first spring, fixing barrel can be supported with the end of reinforcing bar
Tightly.
The beneficial effect of this base case is: 1. in the prior art, when being bent upwards reinforcing bar, two end meetings of reinforcing bar
It is gradually downwardly inclined, when being bent downwardly reinforcing bar, two ends of reinforcing bar can gradually tilt upward, as long as two ends of reinforcing bar are sent out
Raw inclination is likely to that reinforcing bar is caused to slip from bending machine.And in the present solution, two ends of reinforcing bar tilt upward, sliding block and
Fixed cylinder can also tilt upward, so fixing barrel can push against under the action of the first spring with reinforcing bar, guarantee that reinforcing bar can be by
Fixing barrel is firmly fixed.2. sliding rail is mounted on slide, and slide can be the bottom of in the present solution, sliding block installation is on the slide rail
It is slided on seat, so the fixing barrel on sliding block is capable of fixing the reinforcing bar of different length.3. in the prior art, the stress point of reinforcing bar
Safeguard measure is not all done, is easy to be damaged.In the present solution, the stress point of reinforcing bar be on two ends and reinforcing bar with locating rod
Contact position, two ends of reinforcing bar contact with fixing barrel, and the first elastomer block is equipped in fixing barrel, and the first elastomer block can play
The effect of clamping reinforcing bar, moreover it is possible to play the role of protecting reinforcing bar.Reinforcing bar can also be contacted with the sheet metal of locating rod bottom, sheet metal
Second spring is equipped between locating rod, second spring can play the role of buffering, while when bar bending, due to sheet metal
With elasticity, so reinforcing bar can be contacted gradually from line with the way of contact of sheet metal becomes face contact, when contact area becomes larger, steel
The pressure that muscle is subject to will reduce to guarantee that reinforcing bar is not damaged.
Preferred embodiment one: as the preferred of basic scheme, the top at the Telescopic-cylinder end is equipped with support tube, in support tube
Equipped with several partitions, the bottom of partition is separated with the inner wall bottom of support tube, and support is slidingly sealed between two neighboring partition
The top of block, supporting block is equipped with the second elastomer block.In base case, can gradually it be tilted upwards when being moved up due to fixing barrel, so
Telescopic-cylinder end gradually can become line from face contact with the way of contact of fixing barrel and contact, and the stress condition of fixing barrel is caused to become
Difference.And in the present solution, fixing barrel can be contacted with the second elastomer block, the second elastomer block is connect with supporting block, and supporting block is slidingly sealed
In support tube.When fixing barrel does not tilt, fixing barrel can be contacted with the second all elastomer blocks, and each second elastomer block
In the same plane, when fixing barrel inclination, fixing barrel finally can only be contacted with second elastomer block of the extreme side, second bullet
Property block can be moved down under the reaction force of fixed cylinder, and the inner sealing of support tube, so other second elastomer block meetings
It moves up until each second elastomer block is contacted with fixing barrel, the stress condition of fixing barrel will make moderate progress.
Preferred embodiment two: preferably one it is preferred, the bottom of each supporting block is designed with third spring,
The bottom of three springs and the bottom of support tube connect.Using this programme, when fixing barrel is separated with the second elastomer block, spring can
By all second elastic block resets.
Preferred embodiment three: as the preferred of basic scheme, the bottom of the locating rod is additionally provided with several reinforcing props.The present apparatus
When in use, the power that sheet metal is subject to is very big, so second spring is easily compressed elastic limit, reinforcing prop can be into one
Step improves the stress condition of reinforcing bar.
Preferred embodiment four: as the preferred of basic scheme, first spring, second spring and third spring are all made of conjunction
Golden spring steel is made.Alloy spring steel can bear biggish pressure.
Preferred embodiment five: as the preferred of basic scheme, the slide is made of non-magnetic material.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail:
Appended drawing reference in Figure of description includes: pedestal 1, slide 2, electromagnet 3, cylinder 4, sliding rail 5, sliding block 6, fixes
The 7, first spring 8 of bucket, strut 9, locating rod 10, second spring 11, sheet metal 12, support tube 13, partition 14, supporting block 15, the
Two elastomer blocks 16, third spring 17, reinforcing prop 18.
As shown in Figure 1 and Figure 2, the present embodiment bending device for rebars includes pedestal 1, and pedestal 1 is equipped with sliding slot, a left side for sliding slot
Right both ends slidably connect slide 2, and sliding slot is made of ferroalloy.Slide 2 is equipped with sliding rail 5, electromagnet 3 and cylinder 4, cylinder
4 are located at 2 upper surface of slide close to the side at sliding slot center.The top of 4 telescopic end of cylinder is equipped with support tube 13, sets in support tube 13
There are several partitions 14, the bottom of partition 14 is separated with the inner wall bottom of support tube 13, is slidingly sealed between two neighboring partition 14
There is supporting block 15, the top of supporting block 15 is equipped with the second elastomer block 16, and the bottom of supporting block 15 is equipped with third spring 17, third bullet
The bottom of spring 17 is connect with the inner wall of support tube 13.Sliding rail 5 includes vertical portion and bending section, and crooked position is in the top of vertical portion
And its curved direction is towards the center of sliding slot.Sliding block 6 is slidably connected on sliding rail 5, sliding block 6 is set on one end of fixing barrel
There is the first spring 8, the free end of the first spring 8 is connect with fixing barrel 7, and fixing barrel 7 is in barrel-shaped and fixing barrel 7 the opening direction in side
The inner wall of another slide 2, fixing barrel 7 is equipped with the first elastomer block, and the bottom of fixing barrel 7 offsets with the second elastomer block 16.Such as
Shown in Fig. 3, strut 9 is additionally provided on pedestal 1, strut 9 is located between two slides 2, and the top of strut 9 is equipped with locating rod 10, fixed
It is flushed at the top of position bar 10 and 5 vertical portion of sliding rail, the bottom of locating rod 10 is arc and is equipped with several second springs 11, the second bullet
The bottom of spring 11 sets flexible sheet metal 12, and the bottom of locating rod 10 is additionally provided with several reinforcing props 18.The first above-mentioned spring
8, second spring 11 and third spring 17 are all made of alloy spring steel and are made.
When it is implemented, the telescopic end of two cylinders 4 jacks up fixing barrel 7 upwards, fixing barrel 7 drives two ends of reinforcing bar
Portion moves up, and fixing barrel 7 drives reinforcing bar to move up, and locating rod 10 can be moved closer to and touched when reinforcing bar moves up, and positions
The contact position of bar 10 and reinforcing bar can be blocked and two ends of reinforcing bar can also be as fixing barrel 7 moves up, so reinforcing bar
It will be bent.Simultaneously because being flushed at the top of locating rod 10 and 5 vertical portion of sliding rail, only when fixing barrel 7 is moved to sliding rail 5
Behind bending section, reinforcing bar can just be contacted with locating rod 10, and fixing barrel 7 continues to move up, and reinforcing bar can be just bent, and bending section direction positioning
The direction of bar 10 is bent, so fixing barrel 7 and sliding block 6 can be tilted gradually upward when moving on the bends, the end of reinforcing bar at this time
Also it can gradually tilt upward, under the active force of the first spring 8, fixing barrel 7 can be pushed against with the end of reinforcing bar.Fixing barrel 7
After moving up and tilting, 7 meetings of fixing barrel are contacted with its hithermost second elastomer block 16, and second elastomer block 16 is in fixation
It can be moved down under the reaction force of cylinder, and the inner sealing of support tube 13, so other second elastomer blocks 16 can Xiang Shangyi
It moves until each second elastomer block 16 is contacted with fixing barrel 7, the stress condition of fixing barrel 7 will make moderate progress.Reinforcing bar can be with
The sheet metal 12 of 10 bottom of locating rod offsets, and second spring 11,11 energy of second spring are equipped between sheet metal 12 and locating rod 10
Enough play the role of buffering, while when bar bending, since sheet metal 12 has elasticity, so the contact of reinforcing bar and sheet metal 12
Mode gradually can become face contact from line contact.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these also should be considered as protection scope of the present invention, these all will not influence what the present invention was implemented
Effect and patent practicability.