CN210966458U

CN210966458U - Steel bar truss height shaping mechanism

Info

Publication number: CN210966458U
Application number: CN201921906012.5U
Authority: CN
Inventors: 唐学宾; 金年
Original assignee: Hunan Zhongzhiqiang Building Materials Co ltd
Current assignee: Hunan Kebao New Energy Group Co.,Ltd.
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-07-10
Anticipated expiration: 2029-11-07

Abstract

High plastic mechanism of steel bar truss relates to steel bar truss production technical field, it includes the frame, be equipped with supporter and clamp plate in the frame, the supporter includes two backup pads that the symmetry set up, the backup pad sets up in the frame along the direction of feed of truss, the top of backup pad is used for supporting the support bar of truss one side web member along its length direction fixedly connected with, be located and be equipped with a support column respectively in the frame of supporter both sides, be connected with the hanging beam between the two spinal branch dagger, the hanging beam is located the top of supporter, install the lift seat of liftable on the hanging beam, the clamp plate is along the direction of feed fixed connection in the bottom of lift seat of truss, the clamp plate is parallel to each other with the support bar. The utility model discloses can highly carry out the plastic to the truss after the web member dog-ear process of truss is accomplished, make the whole height of truss keep unanimous, promote the standardization of product shape.

Description

Steel bar truss height shaping mechanism

Technical Field

The utility model relates to a steel bar truss production technical field especially indicates a steel bar truss height plastic mechanism.

Background

The steel bar truss is a three-dimensional truss product which is mostly of a triangular structure and is formed by welding steel bars, and has the advantages of good stability, strong rigidity, stable and reliable quality and the like. The steel bar truss comprises an upper chord rib and two lower chord ribs, wherein the upper chord rib and the two lower chord ribs are welded together by a web member steel bar which is bent into a wave shape, the upper chord rib is welded with wave crests of the two web members, two sides of the middle waist of the two web members are respectively welded with the two lower chord ribs, in order to enable the bottom of the steel bar truss to be firmly welded with a steel plate in the subsequent processing process, a web member foot folding mechanism is usually arranged in an automatic production line for welding the steel bar truss to carry out foot folding processing on the web members, so that corners of the lower ends of the web members are bent outwards and are in a flat state, and after the process, the overall height of the truss can be subjected to the condition of uneven positions, and the product shape specification degree is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high plastic mechanism of steel bar truss folds the foot process at the web member of truss and accomplishes the back and carry out the plastic to the height of truss, makes the whole height of truss keep unanimous, promotes the standardization of product shape.

In order to solve the technical problem, the utility model discloses a following technical scheme: a steel bar truss height shaping mechanism comprises a frame, wherein a support body used for supporting a truss upwards and a pressing plate used for propping against the truss downwards are arranged on the frame, the supporting body comprises two supporting plates which are symmetrically arranged, the supporting plates are arranged on the machine frame along the feeding direction of the truss, the top end of the supporting plate is fixedly connected with a supporting bar used for supporting a web member at one side of the truss along the length direction, the machine frames at the two sides of the supporting body are respectively provided with a supporting column, a suspension beam is connected between the two supporting columns, the suspension beam is positioned above the supporting body, a lifting seat capable of lifting is arranged on the suspension beam, the pressing plate is fixedly connected to the bottom of the lifting seat along the feeding direction of the truss, the pressure plate and the support bars are parallel to each other, the front part of the pressure plate inclines upwards, the front end of the support body is positioned at the edge of the frame, the front end of the pressure plate extends out of the frame, so that the truss is firstly contacted with the pressure plate and then contacted with the support body when being fed.

Furthermore, the bottom of the suspension beam is vertically connected with a guide pillar, the wall surface of the guide pillar is provided with a guide groove along the vertical direction, the side wall surface of the lifting seat is fixedly provided with a slide block, and the slide block is connected with the guide groove in a sliding manner.

Furthermore, the bottom of hanging oneself from a beam is vertical to be connected with the lead screw, the lead screw cover is equipped with rotatable ball nut, ball nut's upper end annular is provided with spacing lug, the vertical regulation hole of having seted up downwards of top surface of lift seat, the spacing groove has been seted up to the wall annular of regulation hole, the lead screw inserts downwards just in the regulation hole ball nut is located the regulation hole, thereby spacing lug card is gone into the restriction in the spacing groove ball nut takes place relative movement with the lift seat in vertical direction, rotatable pivot is worn to be equipped with by level in the lift seat, the one end of pivot is stretched into in the regulation hole and is connected through bevel gear transmission with ball nut's bottom, the pivoted other end stretches out the lift seat and is connected with the hand wheel.

Furthermore, a balancing weight is detachably connected to the hand wheel.

The balancing weight is connected with a lifting rope, and one end of the lifting rope is provided with a clamp capable of clamping a hand wheel.

Preferably, the bottom end of the supporting plate is welded on the frame, and the upper end of the supporting plate is arranged in an inward inclined mode.

More preferably, two sides of the pressure plate are respectively provided with a strip-shaped guide plate, and a gap between the two strip-shaped guide plates can be used for the upper part of the truss to pass through.

The utility model discloses a theory of operation is: through the height of adjusting the lift seat, interval between adjustable clamp plate and the support bar, the upper end of truss at first receives the guide effect of the anterior tilt up part of clamp plate and gets into this plastic mechanism during the feeding, then the bottom of truss can fall on the support bar, at the in-process that lasts the feeding after that, the upper and lower both ends of truss web member support clamp plate and support bar respectively and go forward, thereby realize the plastic to the truss height, make the whole height of truss after the plastic is accomplished keep unanimous, and then promote the standardization of product shape.

Drawings

Fig. 1 is a schematic overall structure diagram in an embodiment of the present invention;

FIG. 2 is a schematic side view of the truss, the supporting body and the pressing plate in the embodiment;

FIG. 3 is a partial schematic structural view of a shaping mechanism according to an embodiment;

fig. 4 is a structural schematic diagram of a hand wheel portion in the embodiment.

The reference signs are:

1-frame 2-truss 3-pressing plate

4 a-support plate 4 b-support bar 5-support column

6-suspension beam 7-lifting seat 7 a-slide block

7 b-adjusting hole 7 c-limiting groove 8-guide post

8 a-guide groove 9-screw rod 10-ball nut

10 a-limit lug 11-rotating shaft 12-hand wheel

13-counterweight 14-lifting rope 15-clip

16-bar-shaped guide plate.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

It should be noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, in the present disclosure, unless explicitly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. The terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element 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.

As shown in fig. 1-3, the steel bar truss height shaping mechanism includes a frame 1, a support body for supporting a truss 2 upward and a pressing plate 3 for supporting the truss 2 downward are arranged on the frame 1, the support body includes two support plates 4a symmetrically arranged, the support plates 4a are arranged on the frame 1 along a feeding direction of the truss 2, a support bar 4b for supporting a web member at one side of the truss 2 is fixedly connected to a top end of each support plate 4a along a length direction thereof, the frame 1 at two sides of the support body is respectively provided with a support post 5, a suspension beam 6 is connected between the two support posts 5, the suspension beam 6 is arranged above the support body, a lifting seat 7 capable of lifting is arranged on the suspension beam 6, the pressing plate 3 is fixedly connected to a bottom of the lifting seat 7 along the feeding direction of the truss 2, the pressing plate 3 and the support bars 4b are parallel to, the front end of the supporting body is positioned at the edge of the machine frame 1, and the front end of the pressing plate 3 extends out of the machine frame 1 so that the truss 2 is firstly contacted with the pressing plate 3 and then contacted with the supporting body when being fed.

The high plastic mechanism of steel bar truss that above-mentioned embodiment provided is through the height of adjusting lift seat 7, interval between adjustable clamp plate 3 and the support bar 4b, truss 2's upper end at first receives the guide effect of the anterior tilt up part of clamp plate 3 and gets into this plastic mechanism during the feeding, then truss 2's bottom can fall on support bar 4b, at the in-process that lasts the feeding after that, truss 2 web member last, lower both ends support clamp plate 3 and support bar 4b respectively and advance, under clamp plate 3 and support bar 4 b's cooperation limiting displacement, truss 2 receives the extrusion force of certain degree, thereby make uneven each part of difference be shaped into unanimous height, accomplish the plastic work to truss 2 height, and then promote the standardization of product shape.

Further, the bottom of the suspension beam 6 is vertically connected with a guide post 8, the wall surface of the guide post 8 is provided with a guide groove 8a along the vertical direction, the side wall surface of the lifting seat 7 is fixedly provided with a slide block 7a, the slide block 7a is connected with the guide groove 8a in a sliding manner, wherein the bottom of the suspension beam 6 is vertically connected with a screw rod 9, the screw rod 9 is sleeved with a rotatable ball nut 10, the upper end of the ball nut 10 is annularly provided with a limit bump 10a, the top surface of the lifting seat 7 is vertically provided with an adjusting hole 7b downwards, the wall surface of the adjusting hole 7b is annularly provided with a limit groove 7c, the screw rod 9 is downwards inserted into the adjusting hole 7b, the ball nut 10 is positioned in the adjusting hole 7b, the limit bump 10a is clamped into the limit groove 7c so as to limit the relative movement of the ball nut 10 and the lifting seat 7 along the vertical direction, a rotatable rotating shaft 11 horizontally penetrates through the lifting seat 7, one end of the rotating shaft, the other end of the rotating shaft 11 extends out of the lifting seat 7 and is connected with a hand wheel 12.

When the lifting seat 7 is specifically operated to move by using the structure, the working principle is that the rotating shaft 11 can synchronously rotate by rotating the hand wheel 12 clockwise or anticlockwise, so that the two bevel gears transmit power to the ball nuts 10, the ball nuts 10 are linked to rotate, the ball nuts 10 are rotatably connected with the screw rod 9, the screw rod 9 is fixed, the ball nuts 10 can move upwards or downwards along the screw rod 9 while rotating, and the ball nuts 10 can drive the lifting seat 7 to synchronously ascend or descend in the ascending or descending process due to the fact that the limiting convex blocks 10a of the ball nuts 10 are clamped into the limiting grooves 7c, so that the relative movement of the ball nuts 10 and the lifting seat 7 in the vertical direction is limited, and the mode that the lifting seat 7 is controlled to move by rotating the hand wheel 12 is realized.

It should be understood by those skilled in the art that, since the slider 7a of the lifting seat 7 is slidably connected with the guide groove 8a of the guide post 8, the lifting seat 7 can move smoothly during ascending or descending, and the lower end of the guide groove 8a can limit the slider 7a from moving downward excessively, so that the lifting seat 7 can be prevented from moving downward excessively. And because can set up certain frictional resistance between slider 7a and the guide way 8a, consequently the holistic action of gravity of lift seat 7 need not to concentrate let lead screw 9 bear, especially set up a plurality of guide pillars 8 come with lift seat 7 cooperation after, can disperse the gravity of lift seat 7 in a great extent and bear the point, the actual quality of lift seat 7 does not need too heavy moreover, because the plastic in-process mainly keep the stability of clamp plate 3 position can, consequently need not worry that lead screw 9 can bear too big effort.

Then, on the basis of the above structure, in order to further improve the stability of the pressing plate 3, the lifting seat 7 is prevented from moving or vibrating in the vertical direction, therefore, a balancing weight 13 can be detachably connected to the hand wheel 12, because the truss 2 is entirely wave-shaped, the wave crest of the web member intermittently enters the shaping mechanism, that is, the wave crest position of the web member intermittently applies force to the pressing plate, so that the lifting seat 7 may shake in the vertical direction during the processing, and the hand wheel 12 finally transmits to the hand wheel 12 through the transmission system to cause the left and right deflection of the hand wheel 12, then the balancing weight 13 is arranged to play a role in locking the hand wheel 12, so that the hand wheel 12 is tensioned by the balancing weight 13 to be difficult to rotate, and further the rotation of the bevel gear transmission mechanism and the ball nut 10 can be prevented, thereby, the movement of the lifting base 7 can be avoided, and the stability of the pressing plate 3 can be improved.

Preferably, a lifting rope 14 is connected to the counterweight block 13, a clamp 15 capable of clamping the hand wheel 12 is arranged at one end of the lifting rope 14, the counterweight block 13 does not need to be connected to the hand wheel 12 before the shaping work is started, after the height of the lifting seat 7 is adjusted, the clamp 15 can clamp any position at the outer circular ring of the hand wheel 12 (as shown in fig. 4), and then the counterweight block 13 can be hung on the hand wheel 12. It should be noted that, the inner side surface of the clip 15 may be provided with a non-slip mat (not shown in the drawings), the structure of the clip 12 may be configured into an arc structure in accordance with the shape of the outer ring of the hand wheel 12, when the two sides of the clip 12 are engaged with each other, the clip 12 can just engage with the outer ring of the hand wheel 12, and the non-slip mat can prevent the clip 12 from slipping off.

In addition, in this embodiment, the bottom ends of the bar-shaped support plates 3a are welded to the frame 1, the upper ends of the bar-shaped support plates 3a are inclined inward, and the bottom ends of the web members of the trusses 2 are inclined outward on both sides, so that the trusses 2 generate a certain degree of oblique extrusion force to the support body when receiving the extrusion force of the height shaping mechanism, and therefore, the bar-shaped support plates 3a are inclined, the direction of the oblique extrusion force is followed, and the firmness of the bar-shaped support plates 3a can be improved.

In addition, the two sides of the pressing plate 3 are respectively provided with a strip-shaped guide plate 16, and the gap between the two strip-shaped guide plates 16 can be used for the upper part of the truss 2 to pass through, so that the truss 2 can be guided in the processes of feeding, shaping and discharging, and the deviation of the truss 2 can be avoided to a certain degree.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

In order to make it easier for those skilled in the art to understand the improvement of the present invention over the prior art, some drawings and descriptions of the present invention have been simplified, and in order to clarify, some other elements have been omitted from this document, those skilled in the art should recognize that these omitted elements may also constitute the content of the present invention.

Claims

1. High plastic mechanism of steel bar truss, its characterized in that: comprises a frame (1), a support body used for upwards supporting a truss (2) and a pressing plate (3) used for downwards supporting the truss (2) are arranged on the frame (1), the support body comprises two supporting plates (4 a) which are symmetrically arranged, the supporting plates (4 a) are arranged on the frame (1) along the feeding direction of the truss (2), the top end of each supporting plate (4 a) is fixedly connected with a supporting bar (4 b) used for supporting a web member on one side of the truss (2) along the length direction, the frame (1) positioned on the two sides of the support body is respectively provided with a supporting column (5), a suspension beam (6) is connected between the two supporting columns (5), the suspension beam (6) is positioned above the support body, a lifting seat (7) capable of being lifted is installed on the suspension beam (6), the pressing plate (3) is fixedly connected with the bottom of the lifting seat (7) along the feeding direction of the truss (2), the utility model discloses a truss feeding device, including frame (1), clamp plate (3), support bar (4 b), the anterior tilt up of clamp plate (3), the front end of supporter is located the border of frame (1), thereby the front end of clamp plate (3) stretches out from frame (1) and contacts clamp plate (3) earlier when making truss (2) feeding and contact the supporter again.

2. The steel bar truss height shaping mechanism according to claim 1, wherein: the bottom of the suspension beam (6) is vertically connected with a guide post (8), the wall surface of the guide post (8) is provided with a guide groove (8 a) along the vertical direction, the side wall surface of the lifting seat (7) is fixedly provided with a sliding block (7 a), and the sliding block (7 a) is in sliding connection with the guide groove (8 a).

3. The steel bar truss height shaping mechanism according to claim 2, wherein: the bottom of the suspension beam (6) is vertically connected with a screw rod (9), the screw rod (9) is sleeved with a rotatable ball nut (10), the upper end of the ball nut (10) is annularly provided with a limiting bump (10 a), the top surface of the lifting seat (7) is vertically and downwards provided with an adjusting hole (7 b), the wall surface of the adjusting hole (7 b) is annularly provided with a limiting groove (7 c), the screw rod (9) is downwards inserted into the adjusting hole (7 b) and the ball nut (10) is positioned in the adjusting hole (7 b), the limiting bump (10 a) is clamped into the limiting groove (7 c) so as to limit the relative movement of the ball nut (10) and the lifting seat (7) in the vertical direction, a rotatable rotating shaft (11) horizontally penetrates through the lifting seat (7), one end of the rotating shaft (11) extends into the adjusting hole (7 b) and is in transmission connection with the bottom end of the ball nut (10) through a bevel gear, the other end of the rotating shaft (11) extends out of the lifting seat (7) and is connected with a hand wheel (12).

4. The steel bar truss height shaping mechanism according to claim 3, wherein: the hand wheel (12) is detachably connected with a balancing weight (13).

5. The steel bar truss height shaping mechanism according to claim 4, wherein: the counterweight block (13) is connected with a lifting rope (14), and one end of the lifting rope (14) is provided with a clamp (15) capable of clamping the hand wheel (12).

6. The steel bar truss height shaping mechanism according to claim 1, wherein: the bottom end of the supporting plate (4 a) is welded on the rack (1), and the upper end of the supporting plate (4 a) is arranged in an inward inclined mode.

7. The steel bar truss height shaping mechanism according to claim 1, wherein: two sides of the pressing plate (3) are respectively provided with a strip-shaped guide plate (16), and the gap between the two strip-shaped guide plates (16) can be used for the upper part of the truss (2) to pass through.