SUMMERY OF THE UTILITY MODEL
In order to solve among the prior art upset machine of shifting mount structure complicated, the deviation appears in the welding position after the upset easily, leads to the unable accurate welded technical problem of robot, the utility model provides a mount for 90 shaped steel upset machine of shifting solves above-mentioned problem.
The utility model provides a technical scheme that its technical problem adopted is: a fixing frame for a 90-degree profile steel turnover positioner comprises a supporting plate and a clamping mechanism connected to one side of the supporting plate, wherein the supporting plate is an integrated panel, the upper part of the supporting plate is provided with a notch suitable for accommodating a workpiece, and the notch is upwards opened; the clamping mechanism is suitable for clamping or loosening two transverse sides of the workpiece.
Further, the clamping mechanism comprises a positioning plate, a workpiece standing rod fixed above the positioning plate and two clamping blocks in sliding connection with the positioning plate, the positioning plate is connected with the supporting plate, the workpiece standing rod is horizontally arranged, the two clamping blocks move in a reciprocating mode along the axial direction of the workpiece standing rod, the workpiece is arranged on the workpiece standing rod, and the clamping blocks clamp the workpiece on two transverse sides of the workpiece.
Further, the clamping mechanism further comprises: the driving cylinder is fixedly connected with the positioning plate, and the central shaft of the driving cylinder is parallel to the moving direction of the clamping block; the driving rack is connected with the positioning plate in a sliding mode and fixedly connected with one clamping block, and the output end of the driving air cylinder drives the driving rack to reciprocate along the axial direction of the workpiece standing rod; an intermediate gear; the driven rack, driving rack and driven rack parallel arrangement in the intermediate gear both sides, and simultaneously with intermediate gear transmission connects, driven rack with locating plate sliding connection, and with another tight piece fixed connection of clamp.
Preferably, two corresponding side surfaces of the positioning bottom plate are respectively provided with a horizontal guide rail, the horizontal guide rails extend along the axial direction of the workpiece standing rod, and the driving rack and the driven rack are respectively connected to the corresponding horizontal guide rails through first sliding blocks in a sliding manner.
Further, still include the lift mounting panel and arrange in the elevating system at lift mounting panel top, the lift mounting panel with backup pad fixed connection, elevating system is suitable for the drive the clamping machine rises or descends.
Furthermore, the lifting mechanism comprises a driving motor, a connecting rod, a lifting screw rod and a screw rod nut fixed with the clamping mechanism, the driving motor is arranged at the top of the lifting machine mounting plate, the lifting screw rod is arranged along the vertical direction, and the lifting screw rod is axially fixed; one end of the connecting rod is in transmission connection with the output end of the driving motor, the other end of the connecting rod is in transmission connection with the lifting screw rod, and the screw rod nut is in threaded connection with the lifting screw rod.
Furthermore, a vertical guide rail is fixed on the side surface of the supporting plate, and a second sliding block which is suitable for reciprocating along the vertical guide rail is fixed on the clamping mechanism.
Preferably, the notch is of a semicircular structure.
Preferably, the workpiece rest rod is of a cylindrical structure.
Preferably, the driving cylinder is located on the outer side of the positioning plate, a cylinder connecting plate is fixed at the extending end of the driving cylinder, the cylinder connecting plate is fixedly connected with the driving rack, and a through hole suitable for the cylinder connecting plate to reciprocate along the axial direction of the driving cylinder is formed in the positioning plate.
The utility model has the advantages that:
(1) a mount for 90 shaped steel upset machine of shifting, simple structure, only need the horizontal both sides of centre gripping work piece can, backup pad formula structure as an organic whole, consequently there is not the problem of concatenation back upset angle deviation to the upper portion of backup pad is open structure, leaves sufficient welding space for the robot, can all set up the robot in the both sides of machine, thereby improves automatic operation efficiency greatly.
(2) The utility model discloses in clamping mechanism utilizes the meshing transmission of rack and gear to realize the reciprocating motion of pressing from both sides tight piece by driving actuating cylinder drive, can realize the centre gripping and the upset of 4 ~ 5t shaped steel, compact structure, small and exquisite, have great buffering utility, the noise is petite.
(3) The utility model discloses still be provided with the elevating system that drive clamping mechanism goes up and down, can select suitable work piece bearing height according to the welding needs, thereby improve the utility model discloses an application scope.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a perspective view of a specific embodiment of a fixing frame for a 90-degree section steel turnover positioner according to the present invention;
FIG. 2 is a front view of the fixing frame for the 90-degree steel turnover positioner according to the embodiment of the present invention;
FIG. 3 is a perspective view of the clamping mechanism of the present invention;
FIG. 4 is a top view of the clamping mechanism of the present invention;
FIG. 5 is a front view of the clamping mechanism of the present invention;
FIG. 6 is a sectional view taken along line A-A of FIG. 4;
FIG. 7 is a sectional view taken along line B-B of FIG. 4;
FIG. 8 is a cross-sectional view taken along line C-C of FIG. 5;
fig. 9 is a schematic view of the use state of the fixing frame for the 90-degree section steel turnover positioner of the present invention;
fig. 10 is an enlarged view at a in fig. 9.
In the figure, the device comprises a supporting plate 1, a supporting plate 101, a notch 2, a workpiece 3, a positioning plate 301, a positioning bottom plate 3011, a through hole 302, a positioning side plate 4, a workpiece standing rod 5, a clamping block 6, a fixing plate 7, a driving cylinder 8, a driving rack 9, an intermediate gear 10, a driven rack 11, a horizontal guide rail 12, a first sliding block 13, a sliding block fixing plate 14, a lifter mounting plate 15, a driving motor 16, a connecting rod 17, a lifting screw rod 18, a screw rod nut 19, a vertical guide rail 20, a second sliding block 21, a fixing frame 22 and a cylinder connecting plate.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "lateral," "upper," "lower," "vertical," "horizontal," and the like are used in the orientation and positional relationship shown in the drawings, which are for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-3, a fixing frame for a 90-degree section steel turnover positioner comprises a supporting plate 1 and a clamping mechanism connected to one side of the supporting plate 1, wherein the supporting plate 1 is an integrated panel, the upper part of the supporting plate 1 is provided with a notch 101 suitable for accommodating a workpiece 2, and the notch 101 is opened upwards; the clamping mechanism is suitable for clamping or loosening two transverse sides of the workpiece 2.
The utility model is mainly used for turning over simple symmetrical structures such as section steel, and can complete the welding of all connecting points only by turning over 90 degrees, as shown in figures 9 and 10, for the schematic view of the clamping workpiece 2 of the utility model, two of the utility model are placed on the ground or the track when in use, the section steel is placed in the notch 101 of the supporting plate 1 and is supported and clamped by the clamping mechanism, because the workpiece 2 always has vertical downward acting force to the clamping mechanism in the 90-degree overturning process, therefore, the acting force vertical to the upper surface of the workpiece 2 does not need to be applied to the workpiece 2, the clamping mechanism only needs to block the two transverse sides of the workpiece 2 to ensure that the workpiece 2 does not generate transverse deviation, compared with the prior art, the clamping mechanism of the utility model is simple, and as long as guarantee the sufficient structural strength of clamping mechanism, can realize the centre gripping and the upset of 4 ~ 5t shaped steel.
Embodiment 1, a fixing frame for a 90-degree section steel turnover positioner comprises a supporting plate 1 and a clamping mechanism connected to one side of the supporting plate 1, wherein the supporting plate 1 is an integrated panel, the upper part of the supporting plate 1 is provided with a notch 101 suitable for accommodating a workpiece 2, and the opening of the notch 101 is upward; the clamping mechanism is suitable for clamping or loosening two transverse sides of the workpiece 2.
The clamping mechanism adopts but is not limited to the following structure: including locating plate 3, be fixed in the work piece of locating plate 3 top pole 4 that stews and with locating plate 3 sliding connection's two tight blocks 5 of clamp, locating plate 3 is connected with backup pad 1, the work piece pole 4 level that stews sets up, two tight blocks 5 of clamp make reciprocating motion along the axial of work piece pole 4 that stews, work piece 2 is arranged in on the work piece pole 4 that stews, clamp tight block 5 by the horizontal both sides clamp work piece 2 of work piece 2.
The fixing frame in the embodiment can be used as a fixing table and also can be used as a turnover table, and the turnover table is turned over relative to the fixing table. As shown in fig. 1, the supporting plate 1 is a rectangular panel, the upper portion of the supporting plate 1 is provided with a notch 101 with an upward opening, the upper portion of the fixing frame is of an open structure, the workpiece 2 is directly placed into the notch 101 from the top of the fixing frame after being hoisted, the clamping mechanism is installed on one side of the supporting plate 1 and is the same as the symmetry axis of the notch 101, the notch 101 is preferably of a semicircular structure, the workpiece 2 is placed in the center of the notch 101, and when the workpiece 2 is turned over, the edge distance from the workpiece 2 to the notch 101 on the fixing table is unchanged, and interference with the supporting plate 1 on the.
As shown in fig. 1 and 3, a positioning plate 3 is fixed on one side of a supporting plate 1, a workpiece standing rod 4 is used for supporting a workpiece 2, two fixing plates 6 are fixed on the upper surface of the positioning plate 3, and two ends of the workpiece standing rod 4 are fixed on the two fixing plates 6. The workpiece rest rod 4 is preferably of a cylindrical structure, so that the contact area of the workpiece rest rod 4 and the workpiece 2 is reduced, and the surface damage of the workpiece 2 caused by the friction of the workpiece rest rod and the workpiece 2 is avoided.
The reciprocating motion of the clamping block 5 in the embodiment can be realized by a screw transmission mode in the patent number CN 203636286U.
Embodiment 2, the reciprocating motion mode of the clamping block 5 in this embodiment is different from that in embodiment 1, specifically, the clamping mechanism further includes: the clamping device comprises a driving cylinder 7, a driving rack 8, an intermediate gear 9 and a driven rack 10, wherein the driving cylinder 7 is fixedly connected with the positioning plate 3, and the central shaft of the driving cylinder 7 is parallel to the moving direction of the clamping block 5; the driving rack 8 is connected with the positioning plate 3 in a sliding manner and is fixedly connected with one clamping block 5, and the output end of the driving cylinder 7 drives the driving rack 8 to reciprocate along the axial direction of the workpiece standing rod 4; the driving rack 8 and the driven rack 10 are arranged on two sides of the middle gear 9 in parallel and are in transmission connection with the middle gear 9, and the driven rack 10 is in sliding connection with the positioning plate 3 and is fixedly connected with the other clamping block 5.
As shown in fig. 3-8, the positioning plate 3 includes a positioning bottom plate 301 and a positioning side plate 302 extending upward from two opposite sides of the positioning bottom plate 301, the workpiece rest rod 4 is placed inside the positioning plate 3, an inner side surface of the positioning side plate 302 is parallel to a central axis of the workpiece rest rod 4, the driving cylinder 7 is fixed outside the positioning plate 3, a cylinder connecting plate 22 is fixed at an extending end of the driving cylinder 7, the cylinder connecting plate 22 is fixedly connected with the driving rack 8, and a through hole 3011 suitable for the cylinder connecting plate 22 to reciprocate along an axial direction of the driving cylinder 7 is formed on the positioning bottom plate 301. The inner side surfaces of the two positioning side plates 302 are respectively fixed with a horizontal guide rail 11, the horizontal guide rails 11 extend along the axial direction of the workpiece standing rod 4, and the linear displacement of the driving rack 8 and the driven rack 10 relative to the horizontal guide rails 11 is realized by the cooperation of the first sliding blocks 12 and the horizontal guide rails 11.
As shown in fig. 6 and 7, a gear shaft is fixed on the positioning bottom plate 301 below the workpiece resting rod 4, the intermediate gear 9 is sleeved on the gear shaft and rotates around the gear shaft, the sawtooth surfaces of the driving rack 8 and the driven rack 10 are oppositely arranged and are meshed with the intermediate gear 9 for transmission, the driving cylinder 7 drives the driving rack 8 to move along a straight line, the driving rack 8 transmits the movement to the driven rack 10 through the intermediate gear 9, and the driving rack 8 and the driven rack 10 are located on two sides of the intermediate gear 9, so that the moving directions of the driving rack 8 and the driven rack 10 are opposite, and the approach and the distance of the two clamping blocks 5 are realized. The back surfaces (the smooth surfaces opposite to the sawtooth surfaces) of the driving rack 8 and the driven rack 10 are respectively fixed with a slider fixing plate 13, the cross section of each slider fixing plate 13 is of an L-shaped structure, the upper surface of each slider fixing plate 13 is used for fixing the clamping block 5, the inner surface of each slider fixing plate is used for fixing the first slider 12, and when the mass of the driving rack 8 or the driven rack 10 is large, each slider fixing plate 13 can be provided with a plurality of first sliders 12.
This embodiment uses and drives actuating cylinder 7 as drive power, compare with motor drive, compact structure, the molding is small and exquisite, there is great buffering effect, the noise is delicate and small, in addition, the grip block relies on gear and rack drive's mode to realize linear motion, two grip blocks are respectively through two different rack controls, when work piece 2 upset and extrusion press from both sides tight piece 5 surface, the rack can not produce the smooth silk phenomenon because of the atress is too big, consequently, transmission structure intensity in this embodiment is higher, can realize the upset of heavy work piece 2.
Embodiment 3, on the basis of embodiment 1 or embodiment 2, the utility model further comprises an elevator mounting plate 14 and an elevating mechanism arranged on the top of the elevator mounting plate 14, wherein the elevator mounting plate 14 is fixedly connected with the supporting plate 1, and the elevating mechanism is suitable for driving the clamping mechanism to ascend or descend. As shown in fig. 1, the elevator mounting plate 14 is fixed to the bottom of the support plate 1 on the side close to the chuck.
Specifically, as shown in fig. 1, the lifting mechanism includes a driving motor 15, a connecting rod 16, a lifting screw 17 and a screw nut 18 fixed to the clamping mechanism, the driving motor 15 is disposed on the top of the lifting mounting plate 14, the lifting screw 17 is disposed in the vertical direction, and the lifting screw 17 is axially fixed; one end of a connecting rod 16 is in transmission connection with the output end of the driving motor 15, the other end of the connecting rod 16 is in transmission connection with a lifting screw rod 17, and a screw rod nut 18 is in threaded connection with the lifting screw rod 17.
Taking the clamping mechanism described in embodiment 2 as an example, the driving motor 15 in this embodiment is located right below the positioning bottom plate 301, and is fixed on the elevator mounting plate 14, the two ends of the positioning bottom plate 301 in the length direction are respectively provided with a support lug, a screw rod nut 18 is fixed in the support lug, the output end of the driving motor 15 is connected with a reduction gear set, the reduction gear set is provided with two output ends, the two output ends are respectively connected with a connecting rod 16, the other ends of the two connecting rods 16 are connected with a gear set again and respectively drive a lifting screw rod 17 to rotate, because the top end of the lifting screw rod 17 is axially limited by the supporting plate 1, the bottom end is axially limited by the gear set, therefore, the lifting screw 17 only rotates in the circumferential direction, and the screw nut 18 reciprocates axially relative to the lifting screw 17 through the threaded connection between the lifting screw 17 and the screw nut 18, thereby lifting the positioning base plate 301.
In embodiment 4, based on embodiment 3, a vertical guide rail 19 is fixed to a side surface of the support plate 1, and a second slider 20 adapted to reciprocate along the vertical guide rail 19 is fixed to the chucking mechanism.
As shown in fig. 1, two vertical guide rails 19 are provided, the extending direction of the vertical guide rails 19 is parallel to the axial direction of the lifting screw rod 17, two ends of the positioning bottom plate 301 in the length direction are respectively fixed with a second sliding block 20, the second sliding blocks 20 are clamped on the vertical guide rails 19, so that the positioning bottom plate 301 makes reciprocating motion along the vertical guide rails 19, the vertical guide rails 19 can limit the clamping mechanism, and the shearing acting force of the clamping mechanism on the lifting screw rod 17 is reduced.
In this specification, the schematic representations of the terms are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.