CN203621338U - Clamping and stretching mechanism of steel bar stretching apparatus - Google Patents
Clamping and stretching mechanism of steel bar stretching apparatus Download PDFInfo
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- CN203621338U CN203621338U CN201320800439.3U CN201320800439U CN203621338U CN 203621338 U CN203621338 U CN 203621338U CN 201320800439 U CN201320800439 U CN 201320800439U CN 203621338 U CN203621338 U CN 203621338U
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- stretching
- guide block
- clamp
- pressing plate
- oblique guide
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- 230000007246 mechanism Effects 0.000 title claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 title abstract description 6
- 239000010959 steel Substances 0.000 title abstract description 6
- 238000003825 pressing Methods 0.000 claims description 72
- 230000003014 reinforcing effect Effects 0.000 claims description 58
- 230000006978 adaptation Effects 0.000 claims description 15
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 6
- 230000002708 enhancing effect Effects 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
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Abstract
The utility model discloses a clamping and stretching mechanism of a steel bar stretching apparatus. The clamping and stretching mechanism includes a clamping mechanism, a stretching mechanism, and a guiding mechanism, the clamping mechanism is arranged in front of the stretching mechanism, the stretching mechanism includes a front stretching fixing plate, a rear stretching fixing plate, and at least two stretching hydraulic cylinders arranged between the front stretching fixing plate and the rear stretching fixing plate, one end of each stretching hydraulic cylinder is fixed on the front stretching fixing plate, the other end of each stretching hydraulic cylinder is fixed on the rear stretching fixing plate, a piston rod of each stretching hydraulic cylinder penetrates through the front stretching fixing plate and is connected to the clamping mechanism, the guiding mechanism includes a guiding fixing plate which is arranged in front of the front stretching fixing plate, a guide column is arranged between the guiding fixing column and the front stretching fixing plate, and the clamping mechanism is arranged on the guide column and can move back and forth along the guide column. The clamping and stretching mechanism can perform clamping, fixing, dragging, and stretching operations on steel bars effectively.
Description
Technical field
The utility model relates to a kind of reinforcing bar straightening apparatus and clamps stretching mechanism.
Background technology
The main muscle of prefabricated strong concrete square pile reinforcing cage adopts HRB400 screw-thread steel, automatic seam-welding moulding, and time saving and energy saving, quality is easily protected.In the roll welding production line of steel reinforcement cage, roughly need through technological processes such as butt welding-polishing-blanking-roll welding moulding.Before carrying out roll welding moulding process, need first by reinforcement metal straightening, to guarantee that reinforcing bar can pass the reinforced steel bar perforation of seam welder smoothly, but in prior art, also there is no special reinforcing bar straightening apparatus, based on this, prior art requires further improvement.
Utility model content
The purpose of this utility model is to propose a kind of reinforcing bar straightening apparatus and clamps stretching mechanism, can form effective clamping to reinforcing bar, and then reinforcing bar is carried out to stretching operation.
To achieve these goals, the utility model adopts following technical scheme:
Reinforcing bar straightening apparatus clamps stretching mechanism, comprises clamping device, stretching mechanism and guiding mechanism, and clamping device is positioned at the front of stretching mechanism; Stretching mechanism, comprise front stretching fixed head, rear stretching fixed head and at least two stretching hydraulic cylinders between front stretching fixed head and rear stretching fixed head, one end of stretching hydraulic cylinder is fixed on front stretching fixed head, the other end is fixed on rear stretching fixed head, and the piston rod of stretching hydraulic cylinder passes front stretching fixed head and is connected on clamping device; Guiding mechanism comprises a guiding fixed head, and guiding fixed head is positioned at the front of front stretching fixed head, between guiding fixed head and front stretching fixed head, lead is set, and clamping device is arranged on lead and can seesaws along described lead.
Further, described clamping device, comprise clamping power cylinder, drive link, left clamp and right clamp, clamping power cylinder, drive link, left clamp and right clamp are by rearward order setting of front, drive link is along arranging perpendicular to the length direction of reinforcing bar, the piston rod of clamping power cylinder is connected to the middle part of drive link, left clamp and right clamp are connected respectively to left part and the right part of drive link, the right flank of left clamp is relative with the left surface of right clamp and be all parallel to the length direction of reinforcing bar, between the right flank of left clamp and the left surface of right clamp, form reinforcing bar clamping zone, an oblique guide block in left side is set on the left direction of left clamp, an oblique guide block in right side is set on the right direction of right clamp, the spacing of left side oblique guide block and the oblique guide block in right side is linear along the length direction of reinforcing bar to be increased or linearity reduces to change, and along left side, the oblique guide block in oblique guide block and right side is synchronized with the movement respectively for left clamp and right clamp.
Further, on the right flank of described left clamp and the left surface of right clamp, be provided with friction enhancing portion.
Further, the right flank of the oblique guide block in described left side is a clinoplain, the left surface of the oblique guide block in right side is a clinoplain, and the spacing of the left surface of the oblique guide block of the right flank of the oblique guide block in left side and right side is linear along the length direction of reinforcing bar to be increased or linearity reduces to change; The left surface incline direction of left clamp is consistent with the right flank incline direction of the oblique guide block in left side, and the right flank incline direction of right clamp is consistent with the left surface incline direction of the oblique guide block in right side.
Further, the top of described left clamp and the oblique guide block in left side arranges top, left side pressing plate, and the below of the oblique guide block of left clamp and left side arranges below, left side pressing plate; The top of described right clamp and the oblique guide block in right side arranges top, right side pressing plate, and the below of the oblique guide block of right clamp and right side arranges below, right side pressing plate.
Further, the left upper portion of described left clamp arranges a spacing guide block in upper left, the bottom, left side of left clamp arranges a spacing guide block in lower-left, the upper left limit guide rail of formation and the spacing guide block adaptation in upper left between the lower surface of the right flank of the oblique guide rail in left side and top, left side pressing plate, forms the lower-left limit guide rail with the spacing guide block adaptation in lower-left between the right flank of the oblique guide rail in left side and the upper surface of below, left side pressing plate; The right upper portion of described right clamp arranges a spacing guide block in upper right, the lower right side of right clamp arranges a spacing guide block in bottom right, the upper right limit guide rail of formation and the spacing guide block adaptation in upper right between the lower surface of the left surface of the oblique guide rail in right side and top, right side pressing plate, forms the bottom right limit guide rail with the spacing guide block adaptation in bottom right between the left surface of the oblique guide rail in right side and the upper surface of below, right side pressing plate.
Further, between the leading flank of the oblique guide block of leading flank and right side of the oblique guide block in described left side, be connected and fixed by the first connecting plate; Between the leading flank of the leading flank of top, left side pressing plate and top, right side pressing plate, be connected and fixed by the second connecting plate; Between the leading flank of the leading flank of below, left side pressing plate and below, right side pressing plate, be connected and fixed by the 3rd connecting plate; The upper surface of the oblique guide rail in left side and lower surface are connected and fixed with the lower surface of top, left side pressing plate and the upper surface of below, left side pressing plate respectively; The upper surface of the oblique guide rail in right side and lower surface are connected and fixed with the lower surface of top, right side pressing plate and the upper surface of below, right side pressing plate respectively.
Further, below pressing plate, the oblique guide rail in left side, left side above left side, above pressing plate, right side, below pressing plate, the oblique guide rail in right side and right side, the rear of pressing plate arranges one and grips plate, grips plate and be positioned at the front of front stretching fixed head; The trailing flank of top, left side pressing plate, the oblique guide rail in left side, below, left side pressing plate, top, right side pressing plate, the oblique guide rail in right side and below, right side pressing plate is connected respectively to and grips on plate.
Further, the piston rod of described stretching hydraulic cylinder is connected to and grips on plate, is gripping the pilot hole being provided with on plate with lead adaptation, and pilot hole is nested with on lead.
The utility model has the advantages that:
The utility model machinery and automaticity are high, one end of reinforcing bar is fixed, it is stretching in-house that the other end is placed in clamping of the present utility model, on the one hand reinforcing bar is played to the effect gripping, on the other hand reinforcing bar is pulled to stretching operation, grip operation and pull stretching operation and realize by power cylinder driving, it is convenient to control.Clamping in addition power cylinder drives left clamp and right clamp the oblique guide block in oblique guide block and right side is synchronized with the movement along left side respectively, because the spacing of the oblique guide block in left side and the oblique guide block in right side is along the length direction of reinforcing bar, linearity increases or linearity reduces to change, left clamp and right clamp are in the time moving along the length direction of reinforcing bar, the width of reinforcing bar clamping zone increases or reduces, and left clamp and right clamp are carried out and unclamped or holding action reinforcing bar.At reinforcing bar clamping zone, the contact area of reinforcing bar and left clamp, right clamp is large, adds the setting of friction enhancing portion, and left clamp and right clamp are significantly strengthened the chucking power of reinforcing bar, facilitates stretching mechanism to carry out stretching operation to reinforcing bar.
Accompanying drawing explanation
Fig. 1 is the structural representation that clamps stretching mechanism in the utility model;
Fig. 2 is the structural representation that in Fig. 1, clamping device is looked from frontal;
Fig. 3 is the clamping device structural representation that direction is looked from the side in Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment, the utility model is described in further detail:
In conjunction with shown in Fig. 1 to 3, reinforcing bar straightening apparatus clamps stretching mechanism, is arranged on an end of reinforcing bar straightening apparatus, for reinforcing bar being gripped and pulled stretching operation.Reinforcing bar straightening apparatus clamps stretching mechanism, comprises clamping device 1, stretching mechanism 2 and guiding mechanism 3, and clamping device is positioned at the front of stretching mechanism.
Clamping device 1, comprises clamping power cylinder 101, drive link 102, left clamp 103 and right clamp 104, and clamping power cylinder, drive link, left clamp and right clamp are by rearward order setting of front.Drive link is along arranging perpendicular to the length direction of reinforcing bar, and the piston rod of clamping power cylinder is connected to the middle part of drive link.Clamping power cylinder 101, comprises hydraulic cylinder or pneumatic cylinder, for pulling drive link and then pulling left clamp and right clamp does rectilinear motion along the length direction of reinforcing bar.Left clamp and right clamp are connected respectively to left part and the right part of drive link, the right flank of left clamp is relative with the left surface of right clamp and be all parallel to the length direction of reinforcing bar, between the right flank of left clamp and the left surface of right clamp, form reinforcing bar clamping zone 105, for placing reinforcing bar to be held.In order further to strengthen the clamping effect of left clamp and right clamp, on the right flank of left clamp and the left surface of right clamp, be provided with friction enhancing portion 106.Preferably, this friction enhancing portion, can be designed as concavo-convex alternate strip groove version or concavo-convex alternate ripple glaze groove structure form or is designed to version being made up of many friction protuberances etc.
An oblique guide block 107 in left side is set on the left direction of left clamp, an oblique guide block 108 in right side is set on the right direction of right clamp.The right flank of the oblique guide block in left side is a clinoplain, the left surface of the oblique guide block in right side is a clinoplain, the spacing of the left surface of the oblique guide block of the right flank of the oblique guide block in left side and right side along the length direction of reinforcing bar be linear increase or be linearity reduce to change.The left surface of left clamp is also a clinoplain, and incline direction is consistent with the right flank incline direction of the oblique guide block in left side; The right flank of right clamp is also a clinoplain, and incline direction is consistent with the left surface incline direction of the oblique guide block in right side; The left surface of left clamp moves along the right flank of the oblique guide block in a left side, the right flank of right clamp moves along the left surface of the oblique guide block in the right side, left clamp and right clamp are along in straight reciprocating motion process on the length direction of reinforcing bar, can carry out clamping or unclamp action reinforcing bar, left clamp and right clamp be synchronized with the movement in addition.
The top of the oblique guide block of left clamp and left side arranges top, left side pressing plate 109, and the below of the oblique guide block of left clamp and left side arranges below, left side pressing plate 110; The top of the oblique guide block of right clamp and right side arranges top, right side pressing plate 111, and the below of the oblique guide block of right clamp and right side arranges below, right side pressing plate 112.
The left upper portion of left clamp arranges a spacing guide block 113 in upper left, the bottom, left side of left clamp arranges a spacing guide block 114 in lower-left, the upper left limit guide rail of formation and the spacing guide block adaptation in upper left between the lower surface of the right flank of the oblique guide rail in left side and top, left side pressing plate, forms the lower-left limit guide rail with the spacing guide block adaptation in lower-left between the right flank of the oblique guide rail in left side and the upper surface of below, left side pressing plate; The right upper portion of right clamp arranges a spacing guide block 115 in upper right, the lower right side of right clamp arranges a spacing guide block 116 in bottom right, the upper right limit guide rail of formation and the spacing guide block adaptation in upper right between the lower surface of the left surface of the oblique guide rail in right side and top, right side pressing plate, forms the bottom right limit guide rail with the spacing guide block adaptation in bottom right between the left surface of the oblique guide rail in right side and the upper surface of below, right side pressing plate.The setting of upper left limit guide rail, lower-left limit guide rail, upper right limit guide rail and bottom right limit guide rail, define the direction of motion of the spacing guide block in upper left, the spacing guide block in lower-left, the spacing guide block in upper right and the spacing guide block in bottom right, guaranteed the direction of motion of left clamp and right clamp.
Between the leading flank of the oblique guide block of leading flank and right side of the oblique guide block in left side, be connected and fixed by the first connecting plate 117; Between the leading flank of the leading flank of top, left side pressing plate and top, right side pressing plate, be connected and fixed by the second connecting plate 118; Between the leading flank of the leading flank of below, left side pressing plate and below, right side pressing plate, be connected and fixed by the 3rd connecting plate 119; The lower surface of the upper surface of the oblique guide rail in left side and top, left side pressing plate is connected and fixed, and the upper surface of the lower surface of the oblique guide rail in left side and below, left side pressing plate is connected and fixed; The lower surface of the upper surface of the oblique guide rail in right side and top, right side pressing plate is connected and fixed, and the upper surface of the lower surface of the oblique guide rail in right side and below, right side pressing plate is connected and fixed.
Below pressing plate, the oblique guide rail in left side, left side above left side, above pressing plate, right side, below pressing plate, the oblique guide rail in right side and right side, the rear of pressing plate arranges one and grips plate 120, grips plate 120 and be positioned at the front of front stretching fixed head 201; The trailing flank of top, left side pressing plate, the oblique guide rail in left side, below, left side pressing plate, top, right side pressing plate, the oblique guide rail in right side and below, right side pressing plate is connected respectively to and grips on plate.On the middle part that grips plate, offer V-shaped groove 121, reinforcing bar passes from V-shaped groove bottom.Wherein, front stretching fixed head, rear stretching fixed head and grip the V-shaped groove of offering on plate on the length direction of reinforcing bar, be yi word pattern arrange.The piston rod of stretching hydraulic cylinder 203 is connected to and grips on plate 120, gripping on plate the pilot hole arranging with lead adaptation, pilot hole is nested with on lead, clamping device 1 travels forward along lead 302 under the piston rod of stretching hydraulic cylinder promotes, and completes the stretching operation to reinforcing bar.In actual applications, guiding fixed head 301, front stretching fixed head 201 and rear stretching fixed head 202 are all fixed on Rack Body 4.
Certainly; more than explanation is only preferred embodiment of the present utility model; the utility model is not limited to enumerate above-described embodiment; should be noted that; any those of ordinary skill in the art are under the instruction of this description; that makes is allly equal to alternative, obvious form of distortion, within all dropping on the essential scope of this description, ought to be subject to protection of the present utility model.
Claims (9)
1. reinforcing bar straightening apparatus clamps stretching mechanism, it is characterized in that, comprises clamping device, stretching mechanism and guiding mechanism, and clamping device is positioned at the front of stretching mechanism; Stretching mechanism, comprise front stretching fixed head, rear stretching fixed head and at least two stretching hydraulic cylinders between front stretching fixed head and rear stretching fixed head, one end of stretching hydraulic cylinder is fixed on front stretching fixed head, the other end is fixed on rear stretching fixed head, and the piston rod of stretching hydraulic cylinder passes front stretching fixed head and is connected on clamping device; Guiding mechanism comprises a guiding fixed head, and guiding fixed head is positioned at the front of front stretching fixed head, between guiding fixed head and front stretching fixed head, lead is set, and clamping device is arranged on lead and can seesaws along described lead.
2. reinforcing bar straightening apparatus according to claim 1 clamps stretching mechanism, it is characterized in that, described clamping device, comprise clamping power cylinder, drive link, left clamp and right clamp, clamping power cylinder, drive link, left clamp and right clamp are by rearward order setting of front, drive link is along arranging perpendicular to the length direction of reinforcing bar, the piston rod of clamping power cylinder is connected to the middle part of drive link, left clamp and right clamp are connected respectively to left part and the right part of drive link, the right flank of left clamp is relative with the left surface of right clamp and be all parallel to the length direction of reinforcing bar, between the right flank of left clamp and the left surface of right clamp, form reinforcing bar clamping zone, an oblique guide block in left side is set on the left direction of left clamp, an oblique guide block in right side is set on the right direction of right clamp, the spacing of left side oblique guide block and the oblique guide block in right side is linear along the length direction of reinforcing bar to be increased or linearity reduces to change, and along left side, the oblique guide block in oblique guide block and right side is synchronized with the movement respectively for left clamp and right clamp.
3. reinforcing bar straightening apparatus according to claim 2 clamps stretching mechanism, it is characterized in that, is provided with friction enhancing portion on the right flank of described left clamp and the left surface of right clamp.
4. reinforcing bar straightening apparatus according to claim 2 clamps stretching mechanism, it is characterized in that, the right flank of the oblique guide block in described left side is a clinoplain, the left surface of the oblique guide block in right side is a clinoplain, and the spacing of the left surface of the oblique guide block of the right flank of the oblique guide block in left side and right side is linear along the length direction of reinforcing bar to be increased or linearity reduces to change; The left surface incline direction of left clamp is consistent with the right flank incline direction of the oblique guide block in left side, and the right flank incline direction of right clamp is consistent with the left surface incline direction of the oblique guide block in right side.
5. reinforcing bar straightening apparatus according to claim 2 clamps stretching mechanism, it is characterized in that, the top of described left clamp and the oblique guide block in left side arranges top, left side pressing plate, and the below of the oblique guide block of left clamp and left side arranges below, left side pressing plate; The top of described right clamp and the oblique guide block in right side arranges top, right side pressing plate, and the below of the oblique guide block of right clamp and right side arranges below, right side pressing plate.
6. reinforcing bar straightening apparatus according to claim 5 clamps stretching mechanism, it is characterized in that, the left upper portion of described left clamp arranges a spacing guide block in upper left, the bottom, left side of left clamp arranges a spacing guide block in lower-left, the upper left limit guide rail of formation and the spacing guide block adaptation in upper left between the lower surface of the right flank of the oblique guide rail in left side and top, left side pressing plate, forms the lower-left limit guide rail with the spacing guide block adaptation in lower-left between the right flank of the oblique guide rail in left side and the upper surface of below, left side pressing plate; The right upper portion of described right clamp arranges a spacing guide block in upper right, the lower right side of right clamp arranges a spacing guide block in bottom right, the upper right limit guide rail of formation and the spacing guide block adaptation in upper right between the lower surface of the left surface of the oblique guide rail in right side and top, right side pressing plate, forms the bottom right limit guide rail with the spacing guide block adaptation in bottom right between the left surface of the oblique guide rail in right side and the upper surface of below, right side pressing plate.
7. reinforcing bar straightening apparatus according to claim 5 clamps stretching mechanism, it is characterized in that, between the leading flank of the oblique guide block of leading flank and right side of the oblique guide block in described left side, is connected and fixed by the first connecting plate; Between the leading flank of the leading flank of top, left side pressing plate and top, right side pressing plate, be connected and fixed by the second connecting plate; Between the leading flank of the leading flank of below, left side pressing plate and below, right side pressing plate, be connected and fixed by the 3rd connecting plate; The upper surface of the oblique guide rail in left side and lower surface are connected and fixed with the lower surface of top, left side pressing plate and the upper surface of below, left side pressing plate respectively; The upper surface of the oblique guide rail in right side and lower surface are connected and fixed with the lower surface of top, right side pressing plate and the upper surface of below, right side pressing plate respectively.
8. reinforcing bar straightening apparatus according to claim 5 clamps stretching mechanism, it is characterized in that, below pressing plate, the oblique guide rail in left side, left side above left side, above pressing plate, right side, below pressing plate, the oblique guide rail in right side and right side, the rear of pressing plate arranges one and grips plate, grips plate and be positioned at the front of front stretching fixed head; The trailing flank of top, left side pressing plate, the oblique guide rail in left side, below, left side pressing plate, top, right side pressing plate, the oblique guide rail in right side and below, right side pressing plate is connected respectively to and grips on plate.
9. reinforcing bar straightening apparatus according to claim 8 clamps stretching mechanism, it is characterized in that, the piston rod of described stretching hydraulic cylinder is connected to and grips on plate, is gripping the pilot hole being provided with on plate with lead adaptation, and pilot hole is nested with on lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320800439.3U CN203621338U (en) | 2013-12-05 | 2013-12-05 | Clamping and stretching mechanism of steel bar stretching apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320800439.3U CN203621338U (en) | 2013-12-05 | 2013-12-05 | Clamping and stretching mechanism of steel bar stretching apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN203621338U true CN203621338U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320800439.3U Expired - Lifetime CN203621338U (en) | 2013-12-05 | 2013-12-05 | Clamping and stretching mechanism of steel bar stretching apparatus |
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| Country | Link |
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| CN (1) | CN203621338U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103658460A (en) * | 2013-12-05 | 2014-03-26 | 青岛昊河水泥制品有限责任公司 | Clamping and straightening mechanism of reinforcing steel bar straightening device |
| CN104289641A (en) * | 2014-09-24 | 2015-01-21 | 建科机械（天津）股份有限公司 | Automatic reinforcing steel bar sorting devices of reinforcing steel bar conveying equipment |
-
2013
- 2013-12-05 CN CN201320800439.3U patent/CN203621338U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103658460A (en) * | 2013-12-05 | 2014-03-26 | 青岛昊河水泥制品有限责任公司 | Clamping and straightening mechanism of reinforcing steel bar straightening device |
| CN103658460B (en) * | 2013-12-05 | 2015-11-11 | 青岛昊河水泥制品有限责任公司 | Reinforcing bar straightening apparatus clamps stretching mechanism |
| CN104289641A (en) * | 2014-09-24 | 2015-01-21 | 建科机械（天津）股份有限公司 | Automatic reinforcing steel bar sorting devices of reinforcing steel bar conveying equipment |
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