CN211679396U

CN211679396U - Rack straightener for calibrating rack straightness

Info

Publication number: CN211679396U
Application number: CN201922288404.6U
Authority: CN
Inventors: 易华兵
Original assignee: Jingzhou Huali Machinery Co ltd
Current assignee: Jingzhou Huali Machinery Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-10-16
Anticipated expiration: 2029-12-19

Abstract

A rack straightener for calibrating the straightness of a rack comprises a workbench, wherein a sliding frame is slidably mounted on the workbench, a straightening frame capable of sliding along the vertical direction is arranged on the sliding frame, an adjusting screw rod is rotatably mounted on the sliding frame and is in threaded connection with the straightening frame, a sliding block capable of sliding transversely is arranged in the straightening frame, and an air cylinder is fixedly arranged on the straightening frame, through the arrangement of the adjusting screw rod, when racks with different thicknesses are straightened, the adjusting screw rod can be rotated to drive the straightening frame to slide, so that when the sliding frame slides to the lowest part, the distance between a pressing wheel and the workbench is equal to the thickness of the rack, the rack straightener can straighten the racks with different thicknesses, through the arrangement of a spring telescopic rod, when the resistance borne by the pressing wheel is too large, the pressing wheel can slide upwards to avoid the resistance of the rack, the rack is prevented from being forcibly pressed to be broken.

Description

Rack straightener for calibrating rack straightness

Technical Field

The utility model belongs to the technical field of the rack processing technique and specifically relates to a rack straightener for rack straightness accuracy calibration is related to.

Background

The rack is a special gear with teeth distributed on the strip-shaped body. The rack is also divided into a straight rack and a helical rack which are respectively matched with a straight cylindrical gear and a helical cylindrical gear; the tooth profile of the rack is a straight line rather than an involute (plane for the tooth surface), which is equivalent to a cylindrical gear with an infinite reference circle radius. The rack needs to be straightened before use, most of rack straightening devices in the prior art directly extrude the rack, so the rack is broken sometimes, the extruding amplitude of a plurality of rack straightening devices is a constant value, and racks with different thicknesses cannot be straightened, so that the rack straightening device for calibrating the rack straightness is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

To the above circumstances, for overcoming prior art's defect, the utility model provides a rack straightener for rack straightness accuracy calibration is used for solving above-mentioned problem.

In order to realize the above-mentioned purpose, the utility model relates to a rack straightener for calibration of rack straightness accuracy, comprises a workbench, slidable mounting has the balladeur train on the workstation, be provided with on the balladeur train and follow the gliding alignment frame of vertical direction, rotatable the installing adjusting screw on the balladeur train, adjusting screw and alignment frame threaded connection, be provided with lateral sliding's slider in the alignment frame, and the fixed cylinder that is equipped with on the alignment frame, cylinder and slider transmission are connected, the fixed spring telescopic link that is equipped with of lower extreme of slider, the pinch roller is installed to spring telescopic link's lower extreme, the surface sliding of workstation installs two and presss from both sides tight piece.

Preferably, the workbench is fixedly provided with a vertical sliding rail, the sliding frame is connected with the sliding rail in a sliding manner, the sliding rail is internally fixedly provided with an electric push rod, and the electric push rod is in transmission connection with the sliding frame.

Preferably, integrated into one piece has solid fixed ring on the balladeur train, adjusting screw rotates with solid fixed ring to be connected, gu fixed ring's inner wall slides and is equipped with the damping gasket, and gu there is tightening bolt thread connection on the fixed ring.

Preferably, the workbench is provided with a fixing hole, and the clamping block is inserted with a fixing rod in a penetrating manner.

Has the advantages that:

1. the utility model can rotate the adjusting screw to drive the straightening frame to slide when straightening the racks with different thicknesses through the arrangement of the adjusting screw, so that when the sliding frame slides to the lowest part, the distance between the pressing wheel and the workbench is equal to the thickness of the rack, and the rack straightening machine can straighten the racks with different thicknesses;

2. the utility model can slide upwards to avoid the resistance of the rack and prevent the rack from being broken due to forced extrusion through the arrangement of the spring telescopic rod when the resistance of the pinch roller is too large;

3. the utility model discloses when carrying out the alignment of rack, the extrusion wheel slowly rolls to the other end of rack from the one end of rack, rather than direct whole extrudeing the rack, prevents effectively that the rack from splitting.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the three-dimensional structure of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a front view of the present invention.

Fig. 4 is an enlarged schematic structural view of a portion a in fig. 3 according to the present invention.

In the figure: 1 workstation, 2 balladeur train, 3 alignment frame, 4 adjusting screw, 5 sliders, 6 cylinders, 7 spring telescopic links, 8 pinch rollers, 9 slide rails, 10 electric putter, 11 solid fixed rings, 12 damping gaskets, 13 tightening bolts, 14 dead levers.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying fig. 1-4.

As shown in figures 1-4, the utility model relates to a rack straightener for calibrating rack straightness, which comprises a workbench 1, a sliding frame 2 is arranged on the workbench 1 in a sliding way, a straightening frame 3 which can slide along the vertical direction is arranged on the sliding frame 2, an adjusting screw rod 4 is arranged on the sliding frame 2 in a rotating way, the adjusting screw rod 4 is in threaded connection with the straightening frame 3, the sliding frame 2 can slide on the workbench 1, under the condition that the adjusting screw rod 4 is not rotated, when the sliding frame 2 slides to the lowest part, the distance between a pressing wheel 8 and the surface of the workbench 1 is constant, racks with different thicknesses can not be extruded and straightened, through the arrangement of the adjusting screw rod 4, when the racks with different thicknesses are straightened, the adjusting screw rod 4 can be rotated to drive the straightening frame 3 to slide, when the sliding frame 2 slides to the lowest part, the distance between the pressing wheel 8 and the workbench 1 is equal to the thickness of the rack, so that the rack straightening machine can straighten the racks with different thicknesses.

Be provided with lateral sliding's slider 5 in the alignment frame 3, as shown in fig. 2, the lower surface embedding of alignment frame 3 is equipped with the spout, slider 5 and spout sliding connection, the fixed cylinder 6 that is equipped with on the alignment frame 3,

cylinder

6 and 5 transmission connections of slider, the fixed spring telescopic link 7 that is equipped with of lower extreme of slider 5, pinch roller 8 is installed to spring telescopic link 7's lower extreme, when carrying out the alignment of rack, pinch roller 8 slowly rolls to the other end of rack from the one end of rack, rather than direct whole extrudeing the rack, effectively prevent the rack fracture.

Spring telescopic link 7 is very common structure, be for through spring coupling take elastic telescopic link structure, setting through spring telescopic link 7, when carrying out the alignment, the surperficial in close contact with of pinch roller 8 and rack, pinch roller 8 has the degree of freedom of a small range in vertical direction, because there is the difference in the intensity of rack, when the resistance that receives is too big, pinch roller 8 can upwards slide, avoid the resistance of rack, prevent that the rack from being forced the extrusion and breaking, and under general condition, spring telescopic link 7 is enough big to pinch roller 8 pressure, the rack that can flatten.

The surface slidable mounting of workstation 1 has two to press from both sides tight piece, is equipped with the fixed orifices on the workstation 1, and it has dead lever 14 to run through on pressing from both sides tight piece, as shown in fig. 2, and the bottom integrated into one piece that presss from both sides tight piece has the forked tail slider, and workstation 1 sliding connection, presss from both sides tight piece and presss from both sides both ends around the rack, presss from both sides tight piece and not press from both sides tightly at the both ends of rack, but leaves the clearance in advance.

Fixed vertical slide rail 9 that is equipped with on the workstation 1, balladeur train 2 and slide rail 9 sliding connection, the slide rail 9 internal fixation is equipped with electric putter 10, and electric putter 10 and the transmission of balladeur train 2 are connected, and when placing the rack or taking off the rack, electric putter 10 can drive balladeur train 2 and upwards slide, is convenient for install or take off the rack.

Integrated into one piece has solid fixed ring 11 on balladeur train 2, adjusting screw 4 rotates with solid fixed ring to be connected, gu fixed ring 11's inner wall slides and is equipped with damping gasket 12, and gu fixed ring 11 goes up threaded connection has tightening bolt 13, as shown in fig. 4, adjusting screw 4 rotates and installs in the fixed ring, it can make damping gasket 12 and adjusting screw 4 in close contact with to screw up tightening bolt 13, fix adjusting screw 4's rotation, in the alignment rack, the rack has a vertical ascending reaction force to pinch roller 8, and adjusting screw 4 must have a torsion and just can make its rotation, so in the alignment rack, only need easily rotate tightening bolt 13 and can fix adjusting screw 4.

The working principle is as follows: the utility model discloses a setting of adjusting screw 4, when the rack of the different thickness of alignment, can rotate adjusting screw 4 and drive alignment frame 3 and slide, make balladeur train 2 slide in the below, the distance between pinch roller 8 and the workstation 1 equals the thickness of rack can, make this rack straightener can carry out the alignment to the rack of different thickness, setting through spring telescopic link 7, when the resistance that pinch roller 8 received is too big, can the lapse, avoid the resistance of rack, prevent that the rack from being forced the extrusion and breaking, when the alignment of rack is carried out, extrusion wheel 8 slowly rolls to the other end of rack from the one end of rack, and direct whole extrudees the rack, effectively prevent the rack fracture.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a rack straightener for rack straightness accuracy calibration, includes workstation (1), its characterized in that, slidable mounting has balladeur train (2) on workstation (1), be provided with on balladeur train (2) and follow gliding alignment frame (3) of vertical direction, rotatable mounting has adjusting screw (4) on balladeur train (2), adjusting screw (4) and alignment frame (3) threaded connection, be provided with lateral sliding's slider (5) in alignment frame (3), and fixed being equipped with cylinder (6) on alignment frame (3), cylinder (6) and slider (5) transmission are connected, the fixed spring telescopic link (7) that is equipped with of lower extreme of slider (5), pinch roller (8) are installed to the lower extreme of spring telescopic link (7), the surface slidable mounting of workstation (1) has two tight blocks of clamp.

2. The rack straightening machine for rack straightness calibration according to claim 1, wherein a vertical slide rail (9) is fixedly arranged on the workbench (1), the carriage (2) is slidably connected with the slide rail (9), an electric push rod (10) is fixedly arranged in the slide rail (9), and the electric push rod (10) is in transmission connection with the carriage (2).

3. The rack straightener for rack straightness calibration according to claim 1, wherein the carriage (2) is integrally formed with a fixing ring (11), the adjusting screw (4) and the fixing ring are rotatably connected, the inner wall of the fixing ring (11) is slidably provided with a damping washer (12), and the fixing ring (11) is threadedly connected with a tightening bolt (13).

4. The rack straightening machine for rack straightness calibration according to claim 1, wherein the worktable (1) is provided with a fixing hole, and the clamping block is inserted with a fixing rod (14) therethrough.