TWM510321U - Steel bar clamping device and steel bar clamping system - Google Patents

Abstract

A steel bar clamping device is provided. The steel bar clamping device includes a cross beam, a down-pressing device, and a plurality of clamping parts. The cross beam has a beam extension direction. The down-pressing device is disposed at a bottom side of the cross beam. The plurality of clamping parts is fixed to the cross beam and located at two sides of the down-pressing device. Two sides of the plurality of clamping parts are arranged along the beam extension direction.

Description

Steel bar clamping device and steel bar clamping system

This creation is about a steel bar gripping device and a steel bar gripping system; specifically, the author is about a steel bar gripping device with a steel bar straightening design and a steel bar gripping system.

In the process of stencil forming, handling and assembly will affect the process yield. In the case of steel suspension operations, the steel bars are generally first milled through a rebar flattener and output to the cutter for cutting to a predetermined length, and then the steel bar gripping device is used for suspending and placing.

Please refer to FIG. 1. FIG. 1 is a perspective view of a conventional steel bar gripping device 10. The reinforcing bar gripping device 10 has a plurality of sandwiching portions 12 for gripping the reinforcing bars 20. The reinforcing bar gripping device 10 can be transported through the conveying device 30 to move to different positions. As shown in FIG. 2A, the reinforcing bars 20 are suspended from the reinforcing bar gripping device 10. However, when the length of the steel bar 20 to be transported is long, the weight of the steel bars 20 at both ends is increased, which tends to cause a problem that the central portion of the steel bar 20 is curved and arched.

Please refer to FIG. 2B . FIG. 2B is a cross-sectional view of the clamping portion 12 . As shown in FIG. 2B, the nip 20 has a reinforcing bar 20 therein. A lowering rod 14 is provided on the side of the sandwiching portion 12, and an opening below the reinforcing bar 20 is sealed from the bottom side of the sandwiching portion 12. In addition, the other side of the clamping portion 12 has a dispensing rod 16 for extending between the reinforcing bars 20 to separate the reinforcing bars to be placed from the other reinforcing bars. In general, of the rebar 20 after suspension, the lowermost rebar 20 should be in contact with the surface of the lower rod 14. However, as shown in FIG. 2B, the reinforcing bar 20 is separated from the lowering rod 14 due to the aforementioned problem of bending and arching, which will cause the receiving rod 16 to not accurately protrude into the reinforcing bar 20, causing an error in the placement of the reinforcing bar 20. . As a result, the overall progress will be affected and the efficiency will be poor. In view of this, in order to avoid the occurrence of errors in the steel bar clamping device, it has become a problem to be solved.

One of the purposes of this creation is to provide a steel bar gripping device and a steel bar gripping system to prevent the steel bar from sagging deformation.

The steel bar gripping device comprises a beam, a pressing device and a plurality of clamping portions. The beam has a beam extension direction. The pressing device is disposed on the bottom side of the beam. The clamping portion is fixed on the beam and is located on both sides of the pressing device, and the clamping portions on both sides are arranged along the extending direction of the beam.

The steel bar gripping system includes a beam, a pressing device, a plurality of clamping portions, and a reinforcing bar. The beam has a beam extension direction. The pressing device is disposed on the bottom side of the beam. The clamping portion is fixed on the beam and is located on both sides of the pressing device, and the clamping portions on both sides are arranged along the extending direction of the beam. The reinforcing bars are fixed between the clamping portions and extend in the direction in which the beams extend. By means of the pressing device, the suspended steel bars can be kept in a straight line shape in the horizontal direction, so as to facilitate the work of the steel bar cutting.

The advantages and spirit of the present invention can be further understood by the following embodiments and the drawings.

100‧‧‧Rebar gripping device

110‧‧‧ beams

112‧‧‧ bottom side

130‧‧‧Under pressure device

132‧‧‧ fixed seat

134‧‧‧ activity block

136‧‧‧Hydraulic device

138‧‧‧Abutment

150‧‧‧Clamping Department

A‧‧‧beam extension direction

151‧‧‧ first clamp

152‧‧‧Second clamp

160‧‧‧Unloading rod

162‧‧‧Dropper

200‧‧ ‧ steel bars

1321‧‧‧ top

1341‧‧‧Contact surface

1512‧‧‧First clamping surface

1522‧‧‧Second clamping surface

1 is a perspective view of a conventional steel bar gripping device; FIG. 2A is a front view of a conventional steel bar gripping device; FIG. 2B is a cross-sectional view of a conventional steel bar gripping device in a sandwiching portion; FIG. 3B is a rear perspective view of the steel bar gripping device corresponding to FIG. 3A; FIG. 3C is a schematic view of another embodiment of the pressing device; FIG. 4A and FIG. 4B are schematic views of the steel bar gripping device in different operating states; FIG. 5A and FIG. 5B are schematic views of the clamping portion in different operating states of the pressing device.

The present invention provides a steel bar gripping device with a straight steel bar design to avoid the problem of bending deformation when the steel bar is suspended. 3A is a front elevational view of an embodiment of the inventive steel bar gripping device 100. As shown in FIG. 3A, the reinforcing bar gripping device 100 includes a beam 110, a pressing device 130, and a plurality of clamping portions 150. The beam 110 has a beam extending direction a. The pressing device 130 is disposed on the bottom side 112 of the beam 110. A plurality of sandwiching portions 150 are provided on both sides of the pressing device 130. As shown in FIG. 3A, the clamping portion 150 is fixed to the beam 110 and located on both sides of the pressing device 130. The sandwiching portions 150 on both sides are arranged along the beam extending direction a. The plurality of reinforcing bars 200 can be suspended by the sandwiching portion 150 for handling and reinforcing bar placement work. In this embodiment, the beam 110 is provided with four clamping portions 150, but not limited thereto, and the number thereof can be adjusted according to actual construction requirements.

FIG. 3B is a rear perspective view of the reinforcing bar gripping device 100 corresponding to FIG. 3A. As shown in FIG. 3B, each of the clamping portions 150 includes a first clamping block 151 and a second clamping block 152 and is disposed in pairs. The first clamping block 151 and the second clamping block 152 can clamp the reinforcing bars 200 in an openable manner, and suspend the reinforcing bars 200 in a stacked manner. The pressing device 130 includes a fixing seat 132, a movable block 134, and a hydraulic device 136. The fixing seat 132 is fixed to the beam 110. The movable block 134 is located in the fixed seat 132 and is movable relative to the fixed seat 132. The top surface 1321 of the fixing seat 132 is provided with a hydraulic device 136 which can be driven by the hydraulic device 136 to approach or away from the fixing seat 132 in the direction of the vertical top surface 1321. Further, the movable block 134 has a contact surface 1341 formed on one side of the back surface 1321. In one embodiment, the contact surface 1341 has a curved arc shape, and the curvature can match the outer diameter of the steel bar 200 to increase the contact area, so that the pressing device 130 can be attached to the surface of the steel bar 200 when it contacts the steel bar 200, Improve the accuracy of the pressure under transmission.

In other embodiments, the pressing device further includes an abutment. As shown in FIG. 3C, the abutting portion 138 is coupled to the movable block 134 and extends from the contact surface 1341 in a direction away from the top surface. With this design, the suspended reinforcing steel can be abutted against the portion 138 as a reference plane in the vertical direction. When the pressing device 130 contacts the reinforcing bar, the upper and lower reinforcing bars can be overlapped by the abutting portion 138, thereby further increasing the pressing device 130. Pass the accuracy of the pressure.

In general, the aforementioned beam, the pressing device, the plurality of clamping portions and the reinforcing bars together form a reinforcing bar gripping system. By the cooperation of the clamping portion and the pressing device, the reinforcing bars are kept flat to improve the efficiency of placing the reinforcing bars. In addition, the steel bar gripping system may include a transmission device (not shown), and the beam is assembled on the transmission device, and the transmission device is driven to move the steel bar to each predetermined position.

4A and 4B are schematic views of the steel bar gripping device 100 in different operating states. As shown in FIG. 4A, after the reinforcing portion 200 is fixed and suspended by the sandwiching portion 150, the reinforcing bar 200 is slightly bent and deformed as a whole. As shown in FIG. 4B, the reinforcing member 130 of the reinforcing bar gripping device 100 projects downwardly toward the reinforcing bar 200 toward the reinforcing bar 200. When the pressing device 130 pushes the reinforcing bar 200 toward the direction away from the beam 110, the reinforcing bar 200 moves in the vertical direction and approaches the bottom of the pressing device 130, so that the reinforcing bar 200 remains substantially horizontal. Specifically, by the pressing device against the deformation tendency of the reinforcing bar upward arching, the reinforcing bars between the clamping portions can reach an appropriate height along the surface between the clamping portions, so that the reinforcing bar placement operation can be smoothly performed.

Please refer to FIG. 5A and FIG. 5B for further reference. 5A and 5B are schematic views showing the different operating states of the clamping unit 150 in the pressing device. As shown in FIG. 5A, the first clamping block 151 includes a first clamping surface 1512 and the second clamping block 152 includes a second clamping surface 1522 facing the first clamping surface 1512. In addition, the clamping portion 150 further includes a lowering rod 160 disposed close to the bottom side of the second clamping block 152. The ejector rod 160 is disposed on the second clamping block 152 and protrudes toward the first clamping block 151, and seals the two clamping blocks. The opening between the two. As shown in FIG. 5A, a plurality of reinforcing bars 200 are fixed between the first clamping surface 1512 and the second clamping surface 1522. The reinforcing bars 200 are away from the bottom of the clamping portion 150 due to bending deformation (ie, away from the horizontal position of the cutting rod 160). ). It should be understood that the reinforcing bars have different bending deformations at different positions, so that the deviation from the bottom of the clamping portion in different clamping portions may be different, and is not limited to the case shown in FIG. 5A.

When the hydraulic device drives the movable block away from the fixed seat, as described above, the reinforcing bar between the engaging portions will be pushed by the movable block to move to a proper height along the surface between the engaging portions away from the beam. As shown in FIG. 5B, the reinforcing bar 200 moves along the first clamping surface 1512 and the second clamping surface 1522 and approaches the lower rod 160. For example, move the lowermost reinforcement to the contact lower rod to complete the horizontal straightening of the reinforcement. Therefore, when the lower rebar is to be placed, the dipstick can accurately extend between the lower rebar and the upper rebar, separating the lower reinforcement from the other reinforcement, and then the lowering rod is between the two clamps. The opening is retracted into the second clamp block, so that the lower layer of the steel bar is dropped to a predetermined position.

It should be added that the hydraulic device of the pressing device can set the required stroke of the straight steel bar according to the diameter of the steel bar and the position of the material bar, so that the oil pressure device can drive the movable block to move the steel bar to a predetermined position. In other embodiments, a displacement sensor may be added to the clamping portion to measure the difference between the actual longitudinal distance and the predetermined position after the steel bar is suspended, and the data is returned to the control unit to determine the stroke of the hydraulic device. To improve the accuracy of the pressing. In addition, the pressing device in the steel bar gripping device can be disposed on both sides of the beam in addition to the central position, and the plurality of pressing devices are used to reduce the degree of bending deformation of the steel bar and tend to be horizontal. In addition, the pressing device is not limited to the hydraulic device. In other embodiments, a mechanism such as a screw or a gear and a rack may be used. For a case where the deformation amount is small, the screw driving may be used for pressing. Slow fine-tuning. In general, with the steel bar gripping device created by this creation, the suspended steel bars can be kept horizontal to facilitate the work of steel bar cutting.

The features and spirit of the present invention are more clearly described in the above detailed description of the preferred embodiments, and the scope of the present invention is not limited by the preferred embodiments disclosed herein. On the contrary, it is intended to cover all kinds of changes and equivalences within the scope of the patent application to which the present invention is intended.

100‧‧‧Rebar gripping device

110‧‧‧ beams

112‧‧‧ bottom side

130‧‧‧Under pressure device

150‧‧‧Clamping Department

200‧‧ ‧ steel bars

A‧‧‧beam extension direction

Claims (9)

A steel bar clamping device comprising: a beam having a beam extending direction; a pressing device disposed on a bottom side of the beam; and a plurality of clamping portions fixed to the beam and located on both sides of the pressing device The clips on both sides are arranged along the direction in which the beam extends. The steel bar gripping device of claim 1, wherein the pressing device comprises: a fixing seat fixed to the beam; a movable block located in the fixing seat and movable relative to the fixing seat; An oil pressure device is disposed on a top surface of the fixing seat, and the movable block can be driven by the oil pressure device to approach or away from the fixing seat in a direction perpendicular to the top surface. The steel bar gripping device of claim 2, wherein the movable block has a contact surface formed on a side facing away from the top surface, the contact surface having a curved arc shape. The steel bar gripping device of claim 3, further comprising an abutting portion connecting the movable block, and the abutting portion is formed to extend from the contact surface away from the top surface. The steel bar gripping device of claim 1, wherein each of the clamping portions comprises a first clamping block and a second clamping block, and is disposed in pairs, the first clamping block and the second clamping block. At least one reinforcing bar can be gripped open and closed. The reinforcing bar gripping device of claim 5, wherein the first clamping block comprises a first clamping surface and the second clamping block comprises a second clamping surface facing the first clamping surface, each a clamping portion further includes a lower rod disposed close to a bottom side of the second clamping block, the discharging rod is disposed through the second clamping block and protruding toward the first clamping block; wherein, the pressing device The reinforcing bar is pushed away from the beam, and the reinforcing bar moves along the first clamping surface and the second clamping surface and approaches the cutting rod. A steel bar clamping system comprising: a beam having a beam extending direction; a pressing device disposed on a bottom side of the beam; a plurality of clamping portions fixed to the beam and located on opposite sides of the pressing device The clamping portions on both sides are arranged along the extending direction of the beam; and at least one reinforcing bar is fixed between the clamping portions and extends along the extending direction of the beam. The steel bar gripping system of claim 7, wherein the pressing device comprises: a fixing seat fixed to the beam; a movable block located in the fixing seat and movable relative to the fixing seat; An oil pressure device is disposed on a top surface of the fixing seat, and the movable block can be driven by the oil pressure device to approach or away from the fixing seat in a direction perpendicular to the top surface. The reinforcing bar gripping system of claim 8, wherein each of the engaging portions comprises a first clamping block and a second clamping block, the first clamping block comprising a first clamping surface and the second clamping portion The clamping block includes a second clamping surface facing the first clamping surface, each clamping portion further comprising a lower rod disposed close to a bottom side of the second clamping block, the cutting rod is threaded through the second clamping portion And extending toward the first clamping block; wherein, when the hydraulic device drives the movable block away from the fixed seat, the reinforcing bar is pushed by the movable block along the first clamping surface and the second clamping surface Move and approach towards the drawbar.