CN215697070U - Center sill craft piece forming device - Google Patents

Abstract

The utility model discloses a middle beam craft piece forming device. The forming device comprises a workbench, a first positioning unit, a second positioning unit, a third positioning unit, a forming cushion block and a forming unit, wherein the first positioning unit, the second positioning unit, the third positioning unit, the forming cushion block and the forming unit are arranged on the workbench, the output ends of the first positioning unit and the second positioning unit stretch along the transverse direction of the workbench, the output ends of the first positioning unit and the second positioning unit are arranged oppositely, and the output ends of the first positioning unit and the second positioning unit can clamp the transverse two sides of a middle beam process piece. The output of third positioning unit is along vertical flexible, and the output of third positioning unit can lean on the top at well roof beam technology piece, and the shaping cushion sets up the downside at the connection roof beam body, and the shaping unit has along vertical flexible output, and the output of shaping unit can be used in the top of second roof beam body. Through the forming device of the application, the forming of the middle beam process piece can be completed in an auxiliary mode, the efficiency is high, the forming device is suitable for batch production, and the forming device has good practical value.

Description

Center sill craft piece forming device

Technical Field

The application belongs to the technical field of vehicle assembly, and particularly relates to a middle beam technical part forming device.

Background

The special vehicle is specially designed, rarely uses universal assembly parts, and has the production characteristics of small batch, multiple types, complex structure and high quality requirement.

Fig. 1 is a schematic structural diagram of a center sill member of a special vehicle in the prior art, and referring to fig. 1, the center sill member is composed of a center sill craft member 1 (i.e., type b steel) and a center sill craft member 2 (commonly called as a handle bar), and the two center sill craft members 2 are oppositely arranged and connected to two sides of the center sill craft member 1. In order to ensure that the physical and chemical properties of all parts of the whole middle beam are consistent, the middle beam technical piece 2 is mostly made of angle steel with the same material as the middle beam technical piece 2. Fig. 2 is a schematic structural diagram of the center sill craft in fig. 1, and with reference to fig. 1 and fig. 2, each center sill craft 2 includes a first sill 201, a second sill 203, and a connecting sill 202, wherein the first sill 201 and the second sill 203 are disposed opposite to each other, the bottom height of the first sill 201 is lower than that of the second sill 203, the first sill 201 and the second sill 203 are connected by the connecting sill 202, so that the second sill 203 forms a handle of the handle beam, and the first sill 201 forms a blade of the handle beam.

In the prior art, when the middle beam technical part 2 is formed, the joint of the first beam body 201 and the connecting beam body 202 and the joint of the second beam body 203 and the connecting beam body 202 need to be bent and formed, and the two bending forms are different, and a bending notch is not allowed to be opened during bending, so that external force and generated stress required during bending are large, and therefore the joints are easy to generate extrusion and tensile deformation, and even cracks. To eliminate the bending defect, the center sill technological member 2 is generally formed by bending and forming through simultaneous flame heating and bending.

In the prior art, manual experience processing is mostly adopted when the middle beam craft piece 2 is processed, the efficiency is low, and the middle beam craft piece is not suitable for batch production.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a middle beam craft piece forming device, and aims to solve the technical problems that manual experience processing is mostly adopted in middle beam craft piece processing, the efficiency is low, and the middle beam craft piece forming device is not suitable for batch production to at least a certain extent.

The technical scheme of the utility model is as follows:

a forming device for a middle beam technical part is suitable for forming the middle beam technical part, the middle beam technical part comprises a first beam body, a second beam body and a connecting beam body which are integrally formed, wherein the first beam body and the second beam body are arranged at intervals relatively, the bottom height of the first beam body is lower than that of the second beam body, and the first beam body is connected with the second beam body through the connecting beam body; the molding device includes:

a work table;

the first positioning unit and the second positioning unit are arranged on the workbench, the first positioning unit and the second positioning unit are arranged on two sides of a longitudinal center line of the workbench, output ends of the first positioning unit and the second positioning unit stretch along the transverse direction of the workbench, the output end of the first positioning unit and the output end of the second positioning unit are arranged oppositely, and the output end of the first positioning unit and the output end of the second positioning unit can clamp two transverse sides of the middle beam technical piece;

the output end of the third positioning unit extends and retracts vertically, and can be abutted against the top of the middle beam technical piece;

the forming cushion block is arranged on the workbench and arranged on the lower side of the connecting beam body;

the forming unit is arranged on the workbench and provided with an output end which stretches out and draws back along the vertical direction, and the output end of the forming unit can act on the top of the second beam body.

In some embodiments, the molding unit comprises a portal frame and a driving part, the portal frame is fixedly arranged on the workbench, the portal frame is provided with a beam, the fixed end of the driving part is fixedly arranged in the middle of the beam, the telescopic end of the driving part can stretch vertically, and the telescopic end of the driving part can act on the top of the second beam body.

As a preferred solution of the present application, the driving member is a hydraulic cylinder.

In some embodiments, the molding unit further comprises a molding plate disposed on the telescoping end of the drive member.

As the preferred scheme of this application, first positioning unit and second positioning unit all include fixing base and first clamping screw, the fixing base is fixed to be set up on the workstation, first clamping screw thread passes the fixing base.

In some embodiments, the third positioning unit includes a fixing frame, a connecting rod and a positioning element, the fixing frame is fixedly arranged on the workbench, the connecting rod is arranged on the fixing frame in a fixed manner in the transverse direction of the workbench, the positioning element is fixedly connected to the connecting rod, the positioning element has an output end extending vertically, the output end of the positioning element extends vertically, and the output end of the positioning element can be abutted against the top of the middle beam technical piece.

As the preferable scheme of the application, the positioning piece is a second clamping screw, and the second clamping screw penetrates through the connecting rod in a threaded mode.

In some embodiments, the positioning element is a pneumatic or hydraulic cylinder.

In some embodiments, the forming device further comprises a support cushion block fixedly arranged on the workbench, and the support cushion block is arranged below the second beam body.

In some embodiments, the mullion craft is made of angle steel;

the forming device further comprises a supporting base plate, the supporting base plate is fixedly arranged on the workbench, and the supporting base plate is arranged below the first beam body.

The beneficial effects of the utility model at least comprise:

the forming device for the middle beam technical piece comprises a first positioning unit and a second positioning unit which are arranged on a workbench, wherein the first positioning unit and the second positioning unit are arranged on two sides of a longitudinal central line of the workbench, output ends of the first positioning unit and the second positioning unit stretch along the transverse direction of the workbench, an output end of the first positioning unit and an output end of the second positioning unit are oppositely arranged, the output end of the first positioning unit and the output end of the second positioning unit can clamp the two transverse sides of the middle beam technical piece, and the middle beam technical piece to be processed can be transversely positioned through the first positioning unit and the second positioning unit.

In addition, because the third positioning unit is arranged on the workbench, the output end of the third positioning unit stretches vertically, the output end of the third positioning unit can be abutted against the top of the middle beam technical piece, namely, the vertical direction of the middle beam technical piece to be processed can be positioned through the third positioning unit, and then the middle beam technical piece to be processed can be positioned on the workbench through the first positioning unit, the second positioning unit and the third positioning unit.

In addition, the forming cushion block is arranged on the workbench and arranged on the lower side of the connecting beam body, and the forming cushion block can support the connecting beam body to keep the connecting beam body at a specific gradient.

Finally, because be provided with the shaping unit on the workstation, the shaping unit has along vertical flexible output, the output of shaping unit can be used in the top of second roof beam body, can exert the effort to the second roof beam body promptly through the shaping unit, make the relative first roof beam body of second roof beam body bend, the assistance of rethread shaping cushion, can accomplish the junction of first roof beam body and connecting beam body, the processing of bending of the junction of second roof beam body and connecting beam body, the shaping of well roof beam technology spare has then been accomplished.

Through the well roof beam technology piece forming device of this application can assist the shaping of accomplishing well roof beam technology piece, and is efficient, is fit for the mass production, has fine practical value.

Drawings

FIG. 1 is a schematic structural view of a center sill member of a prior art utility vehicle;

FIG. 2 is a schematic structural view of the center sill artwork of FIG. 1;

fig. 3 is a schematic structural diagram of a center sill craft forming apparatus of the present embodiment;

FIG. 4 is a schematic structural diagram of a center sill craft processed by the forming tool shown in FIG. 3;

fig. 5 is a schematic flow chart of a method for forming a center sill craft of the present embodiment.

Detailed Description

In order to make the present application more clearly understood by those skilled in the art to which the present application pertains, the following detailed description of the present application is made with reference to the accompanying drawings by way of specific embodiments.

The present embodiment provides a device for forming a middle beam craft, which is suitable for forming a middle beam craft, and the structure of the middle beam craft is described in the background art, which is not described in detail in this embodiment.

Fig. 3 is a schematic structural diagram of a center sill craft forming device of the present embodiment, fig. 4 is a schematic structural diagram of a center sill craft processed by the forming tool shown in fig. 3, and with reference to fig. 3 and fig. 4, the forming device of the present embodiment includes a workbench 3, and a first positioning unit a, a second positioning unit b, a third positioning unit c, a forming pad d, and a forming unit e all disposed on the workbench 3.

With reference to fig. 3 and 4, the top of the worktable of the present embodiment is guaranteed to be a plane to serve for forming the middle beam craft. In addition, the worktable 3 should have a certain weight, and preferably can be fixed on the ground by means of screws and other members, so as to prevent the problem that the machining is affected by the movement of the worktable during the forming of the middle beam craft piece.

With reference to fig. 3 and 4, the output ends of the first positioning unit a and the second positioning unit b of the present embodiment both extend along the transverse direction of the workbench 1, the output end of the first positioning unit a and the output end of the second positioning unit b are oppositely disposed, and the output end of the first positioning unit a and the output end of the second positioning unit b can clamp the two transverse sides of the middle beam process piece. Namely, the first positioning unit a and the second positioning unit b can be used for positioning the middle beam technical part 2 to be processed in the transverse direction.

Specifically, referring to fig. 3 and 4, in the present embodiment, the first positioning unit a and the second positioning unit b each include a fixing seat 4 and a first clamping screw 5, the fixing seat 4 can be fixedly disposed on the working table 3 by using bolts or welding, and the first clamping screw 5 penetrates through the fixing seat 4. By rotating the first clamping screw 5, the transverse position of the first clamping screw 5 on the workbench 3 can be adjusted, and the center sill craft 2 positioned on the workbench 3 can be clamped.

Of course, the first positioning unit a and the second positioning unit b in this embodiment may also be air cylinders or hydraulic cylinders, but considering cost, the first positioning unit a and the second positioning unit b in this embodiment are preferably the clamping screws.

In this embodiment, only two first positioning units a may be disposed on one lateral side of the middle beam technical component 2, and one second positioning unit b is disposed on the other lateral side of the middle beam technical component 2, and output ends of the two first positioning units a may act on side walls of the first beam body 201 and the connecting beam body 202 of the middle beam technical component 2, respectively, and an output end of the second positioning unit b may act on a side wall of the third beam body 203 of the middle beam technical component 2, so as to comprehensively position the middle beam technical component 2 under different working conditions.

Further, referring to fig. 3 and 4, the center sill process part in this embodiment may be made of an angle steel having an inverted L-shape having a web and a wing, the web being disposed in parallel above the top surface of the table 3, the web being disposed on the top surface of the table 3 through the wing, an output end of the first positioning unit a acting on the wing of the first beam body 201 of the center sill process part 2, and an output end of the second positioning unit a acting on the web of the second beam body 203 of the center sill process part 2.

With reference to fig. 3 and 4, the forming apparatus shown in this embodiment further includes a supporting pad 6, the supporting pad 6 is fixedly disposed on the worktable 3, the supporting pad 6 is disposed below the first beam 201, and the top of the forming pad 6 needs to have a slope consistent with the slope of the processed second beam 203. The height of the supporting base plate 6 is not more than that of a wing plate of the second beam body 203 of the middle beam craft piece 2, after the middle beam craft piece 2 is hoisted on the workbench 3, the wing plate of the second beam body 203 can be clamped through the first positioning unit a and the supporting base plate 6, and the middle beam craft piece 2 is further fixed on the workbench 3.

The supporting base plate 6 of this embodiment may be fixedly disposed on the working table 3 by using bolts or welding, and the supporting base plate 6 may be disposed at intervals, and may be adaptively adjusted according to the length of the middle beam craft 2, which is not limited in this embodiment.

With reference to fig. 3 and 4, the output end of the third positioning unit c of the present embodiment extends and retracts vertically, and the output end of the third positioning unit c can abut against the top of the center sill workpiece 2. That is, the third positioning unit c can position the vertical direction of the middle beam technical part 2 to be processed, and then the first positioning unit a, the second positioning unit b and the third positioning unit c can position the middle beam technical part 2 to be processed on the workbench 3.

Referring to fig. 3 and fig. 4, the third positioning unit c of this embodiment includes a fixing frame 7, a connecting rod 8 and a positioning element 9, the fixing frame 7 is fixedly disposed on the worktable 3, the connecting rod 8 is fixedly disposed on the fixing frame 7 along the transverse direction of the worktable 3, the positioning element 9 is fixedly connected to the connecting rod 8, the positioning element 9 has an output end extending vertically, the output end of the positioning element 9 extends vertically, and the output end of the positioning element 9 can be abutted to the top of the middle beam art piece. The vertical positioning of the third positioning unit c to the center beam process part 2 can be realized by controlling the expansion and contraction of the output end of the positioning piece 9.

Further, with reference to fig. 3 and fig. 4, the positioning element 9 of the present embodiment may be a second clamping screw, the second clamping screw passes through the connecting rod 8, and the vertical position of the positioning element 9 on the worktable 3 can be adjusted by rotating the second clamping screw, so as to clamp the middle beam craft piece 2 positioned on the worktable 3.

Specifically to this embodiment, mount 7 can adopt connection modes such as welding or screw to fix on workstation 3, and the one end of connecting rod 8 keeping away from mount 7 can be provided with installation cover 10, and this installation cover 10 is passed to setting element 9 screw thread, can realize the assembly of setting element 9 on connecting rod 8.

Preferably, the position of the positioning member 9 acting on the middle beam technical member 2 is further supported by the supporting backing plate 6, that is, the positioning member 9 and the supporting backing plate 6 are respectively arranged on two sides of the web plate of the middle beam technical member 2, so that the phenomenon that the web plate of the middle beam technical member 2 is deformed due to the action of the positioning member 9 can be prevented.

Of course, the positioning member 9 of the present embodiment may also be a pneumatic cylinder or a hydraulic cylinder, but the positioning member 9 of the present embodiment is preferably the clamping screw in consideration of cost.

Referring to fig. 3 and 4, the shaped spacer d of the present embodiment is disposed at the lower side of the connecting beam 202, and the shaped spacer d can support the connecting beam 202 to maintain the connecting beam 202 at a specific slope.

In this embodiment, the forming pad d may be welded, screwed or integrally formed on the working platform 3, and the height thereof needs to be preset, so that the connecting beam 202 can have a specific slope during processing.

With reference to fig. 3 and 4, the forming unit e of the present embodiment has an output end extending and contracting along the vertical direction, and the output end of the forming unit e can act on the top of the second beam 203. Namely, acting force can be applied to the second beam body 203 through the forming unit e, so that the second beam body 203 is bent relative to the first beam body 201, and then bending processing of the joint of the first beam body 201 and the connecting beam body 202 and the joint of the second beam body 203 and the connecting beam body 202 can be completed through the assistance of the forming cushion block 6, and then the forming of the center sill craft 2 is completed.

Further, with reference to fig. 3 and 4, the molding unit e of this embodiment further includes a gantry 14 and a driving element 11, the gantry 14 is fixedly disposed on the workbench 3, the gantry 14 is provided with a beam, a fixed end of the driving element 11 is fixedly disposed in the middle of the beam, a telescopic end of the driving element 11 can be vertically telescopic, and the telescopic end of the driving element 11 can act on the top of the second beam 203. By controlling the extension and contraction of the driving member 11, a force is applied to the second beam 203 to bend the second beam 203.

The driving member 11 of the present embodiment is preferably a hydraulic cylinder, which has the characteristic of stable output, and of course, a cylinder or the like may be used to reciprocate linearly, which is not limited in the present embodiment.

With reference to fig. 3 and 4, in the present embodiment, the forming unit e further includes a forming plate 12, and the forming plate 12 is disposed on the telescopic end of the driving member 11 to enlarge the output area of the forming unit e for forming the middle beam technological member 2.

Further, with reference to fig. 3 and 4, the forming apparatus of the present embodiment further includes a support pad 13, the support pad 13 is fixedly disposed on the working platform 3, and the support pad 13 is disposed below the second beam 203. When the second beam body 203 of the middle beam technical part 2 is bent through the forming unit e, the height of the second beam body 203 relative to the first beam body 201 can be shaped due to the support of the supporting cushion blocks 13, so that the connecting beam body 202 has a characteristic gradient.

In this embodiment, the supporting cushion block 13 may be fixed on the working platform 3 by bolts, welding or integral molding, which is not limited in this embodiment.

In addition, in this embodiment, the output end and the supporting pad 6 of one first positioning unit a can be approximately located at two sides of the wing plate of the first beam body 201, and the output end and the forming pad d of the other first positioning unit a can be approximately located at two sides of the wing plate of the second beam body 203, so that the phenomenon that the wing plate of the middle beam technological member 2 is deformed due to the positioning units can be prevented.

In addition, in the embodiment, the two middle beam technical parts can be molded through one workbench 3, namely, the two middle beam technical parts are lifted on the workbench 3 and lean against each other, and then the two middle beam technical parts can be processed at the same time, so that the efficiency is further improved.

Based on the above device for forming a center sill craft, this embodiment further provides a method for forming a center sill craft, fig. 5 is a schematic flow diagram of the method for forming a center sill craft of this embodiment, and with reference to fig. 5, the method includes:

s1: providing a raw material of a craft piece, wherein the raw material of the craft piece is angle steel, grooves are cut at a connecting beam body and a second beam body of the craft piece, the grooves are V-shaped, the size of the V-shaped grooves is related to the gradient of the connecting beam body, namely the size of the V-shaped grooves is set according to the gradient of the connecting beam body to be formed.

S2: and hoisting the provided craft piece to a workbench, wherein the hoisting mode is preferably hoisting.

S3: the process piece to be formed is positioned on the worktable 3 by the first positioning unit a, the second positioning unit b and the third positioning unit c, and the specific positioning manner is described above and is not described herein again.

S4: the output end of the forming unit e acts on the second beam body 203 of the craft piece to be processed, so that the craft piece is bent at two ends of the connecting beam body 202 to form the second beam body, and in the forming process of the second beam body, two drying guns are used for simultaneously heating the web plate at the bent part, wherein the wing edge adopts a linear heating mode, and the web plate adopts a triangular heating mode. The heating temperature is about 1000-1100 ℃, the color is yellow or faint yellow, in addition, a hand hammer is needed to hammer the extruded part of the web plate to help the extruded part to shrink, the surface of the web plate is smooth, and the bending process is not too fast to avoid damaging the internal tissue structure; after the connecting beam body 202 is contacted with the top of the forming cushion block 6, the heating part is adjusted to the outer bending part, and two sides of the outer bending part are heated at the same time, wherein the heating temperature is about 1000-1100 ℃, and the color is yellow or light yellow until the connecting beam body 202 is attached to the top of the forming cushion block 6.

Then, the detection template is used for detecting each bending angle, the straightness in the length direction and the flatness of the web plate, and if the bending angle, the straightness in the length direction and the flatness of the web plate exceed tolerance requirements, the workpiece can be adjusted and corrected without being cooled.

S5: welding the original V-shaped groove of the technical part, and polishing the welding line, specifically:

performing tack welding on the outer surface of the V-shaped groove: the points are sequentially welded from the upper end of the seam to the lower end of the seam in a manner that the distance is 50 mm (which can be in a range). The quality of a welding spot is ensured by the tack welding, and the quality of the welding seam after forming is prevented from being influenced. After the tack welding, the perpendicularity of the lower wing edge and the middle beam web is detected by using an angle square and is not more than 0.5mm, the flatness of the web is checked by using a steel flat ruler and is not more than 0.5mm, and the welding specification is as follows:

the welding sequence is that the welding seam (bevel face) on the outer surface is welded firstly, then the back welding seam is back gouged by carbon arc gouging, and the back welding is carried out after the welding seam is polished and leveled.

And after welding, polishing the welding line, and performing flaw detection and inspection.

To sum up, can assist the shaping of accomplishing well roof beam technology piece through the well roof beam technology piece forming device of this application, it is efficient, be fit for the mass production, have fine practical value.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims (10)

1. The forming device is suitable for forming the middle beam technical part, the middle beam technical part comprises a first beam body, a second beam body and a connecting beam body which are integrally formed, the first beam body and the second beam body are oppositely arranged at intervals, the bottom height of the first beam body is lower than that of the second beam body, and the first beam body and the second beam body are connected through the connecting beam body; the molding device includes:

a work table;

the first positioning unit and the second positioning unit are arranged on the workbench, the first positioning unit and the second positioning unit are arranged on two sides of a longitudinal center line of the workbench, output ends of the first positioning unit and the second positioning unit stretch along the transverse direction of the workbench, the output end of the first positioning unit and the output end of the second positioning unit are arranged oppositely, and the output end of the first positioning unit and the output end of the second positioning unit can clamp two transverse sides of the middle beam technical piece;

the output end of the third positioning unit extends and retracts vertically, and can be abutted against the top of the middle beam technical piece;

the forming cushion block is arranged on the workbench and arranged on the lower side of the connecting beam body;

the forming unit is arranged on the workbench and provided with an output end which stretches out and draws back along the vertical direction, and the output end of the forming unit can act on the top of the second beam body.

2. The center sill process part forming device according to claim 1, wherein the forming unit comprises a portal frame and a driving part, the portal frame is fixedly arranged on the workbench and provided with a cross beam, the fixed end of the driving part is fixedly arranged in the middle of the cross beam, the telescopic end of the driving part can be vertically telescopic, and the telescopic end of the driving part can act on the top of the second beam body.

3. The mullion craft forming apparatus of claim 2 wherein the driving member is a hydraulic cylinder.

4. The mullion craft forming apparatus of claim 2 wherein the forming unit further comprises a forming plate disposed on the telescoping end of the driving member.

5. The center sill process forming device of claim 1, wherein the first positioning unit and the second positioning unit each comprise a fixed seat and a first clamping screw, the fixed seats are fixedly arranged on the workbench, and the first clamping screw penetrates through the fixed seats in a threaded manner.

6. The center sill craft piece forming device according to claim 1, wherein the third positioning unit comprises a fixing frame, a connecting rod and a positioning piece, the fixing frame is fixedly arranged on the workbench, the connecting rod is fixedly arranged on the fixing frame along the transverse direction of the workbench, the positioning piece is fixedly connected to the connecting rod, the positioning piece has an output end which extends and retracts vertically, the output end of the positioning piece extends and retracts vertically, and the output end of the positioning piece can be abutted against the top of the center sill craft piece.

7. The center sill craft forming apparatus of claim 6, wherein the positioning member is a second clamping screw threaded through the connecting rod.

8. The center sill craft forming apparatus of claim 7 wherein the positioning member is a pneumatic cylinder or a hydraulic cylinder.

9. The center sill craft piece forming apparatus of claim 1 further comprising a bolster block fixedly disposed on the table, the bolster block being disposed below the second sill body.

10. The center sill craft forming device of claim 1, wherein the center sill craft is made of angle steel;

the forming device further comprises a supporting base plate, the supporting base plate is fixedly arranged on the workbench, and the supporting base plate is arranged below the first beam body.

Images