CN217831509U - Longitudinal beam shaping mold and shaping device - Google Patents

Abstract

The utility model relates to a longitudinal beam shaping die and a shaping device, which comprises an upper die component and a lower die component, wherein the upper die component comprises an upper die base assembly, a punch connecting seat, an upper die I, an upper die II, an upper die III and an upper adjusting block; the male die connecting seat is connected to the lower part of the upper die holder assembly, and the lower part of the male die connecting seat is respectively connected with the upper die I, the upper die III and the upper adjusting block to form an upper surface which is in contact with a workpiece; the lower die assembly comprises a lower die base assembly, and a female die I, a part ejecting device, a female die II and a female die III which are arranged on the lower die base assembly, wherein the female die I is located above the female die II, and the female die I, the part ejecting device and the female die III form a lower surface which is in contact with a workpiece. The lower die holder assembly is connected with a hydraulic press workbench; the utility model provides a shaping device can solve the problem of the longeron out of tolerance of different size deviations, angular deviation, plane degree, realizes that longeron plastic process is adjustable, quick, effective.

Description

Longitudinal beam shaping mold and shaping device

Technical Field

The utility model relates to a car longeron processing equipment technical field especially relates to a longeron plastic mould and shaping device.

Background

The longitudinal beam is an important structural part and a bearing part on the automobile frame, the precision and the quality of the longitudinal beam play an important role in the precision of the frame, and the longitudinal beam is an assembly foundation of each cross beam and accessories. The processing of the longitudinal beam has higher requirements on the dimensional precision and the shape precision.

The bending forming is carried out in the production, due to the fact that the material resilience is large, the size deviation and the form and position tolerance difference are large after bending, the angle is not easy to guarantee, the shaping process needs to be added, and special shaping devices are generally needed to be equipped for different longitudinal beam shapes.

The technical scheme provided by the application publication patent document '750 high-strength plate truck longitudinal beam forming die' (application publication No. CN 113182434A) 'adopts a modular design, achieves the effect of one die with multiple purposes, and can realize one-time integral forming of the longitudinal beam'; the application publication patent document 'automatic positioning pin switching device and longitudinal beam profiling mold' (application publication No. CN 112893640A) realizes the automatic switching of the positioning pins of the longitudinal beam profiling mold; the application publication patent document "a mold suitable for pressing various longitudinal beams" (application publication No. CN 203664488U) claims to provide a mold suitable for pressing various longitudinal beams, which can press various left and right longitudinal beams by using a set of molds through insert exchange method, however, the above three prior arts are limited to processing longitudinal beams having a structure with two angles and three surfaces, although the shapes of the longitudinal beams are different.

In summary, most of the conventional devices for shaping a side member having a U-shaped opening cannot shape a side member structure having four planes (one of which is an inclined plane) which have a U-shaped opening, two right angles, one obtuse angle, and a requirement for ensuring flatness.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems in the prior art, the utility model provides a longeron plastic mould and shaping device can realize having U type opening, two right angles, an obtuse angle, need ensure the plastic process of the longeron of four planes of plane degree (and one of them face is the inclined plane). The utility model provides a technical scheme is:

as a first aspect of the present invention, there is provided a longitudinal beam shaping mold, comprising an upper mold component and a lower mold component, wherein the upper mold component comprises an upper mold base assembly, a male mold connecting seat, an upper mold i, an upper mold ii, an upper mold iii, and an upper adjusting block; the male die connecting seat is connected to the lower part of the upper die holder assembly, and the lower part of the male die connecting seat is respectively connected with the upper die I, the upper die III and the upper adjusting block to form an upper surface which is contacted with a workpiece; the lower die assembly comprises a lower die base assembly, and a female die I, a jacking device, a female die II and a female die III which are arranged on the lower die base assembly, wherein the female die I is located above the female die II, and the female die I, the jacking device and the female die III form a lower surface which is in contact with a workpiece.

Preferably, the punch connecting seat is provided with notches on the left side and the right side respectively, wherein the upper end of the left notch is provided with an upper die I, and the vertical surface of the left notch is provided with an upper die II; the bottom of the male die connecting seat is connected with an upper adjusting block; and an upper die III is arranged at the right end notch of the male die connecting seat.

Preferably, the upper die I is an inverted trapezoid, and the lower surface of the upper die I is provided with an inclined surface to adapt to the inclined surface D of the longitudinal beam.

Preferably, the lower left corner of the upper die II is subjected to rounding treatment.

Preferably, a male die adjusting gasket is arranged on the left side face of the upper die III in the direction of the male die connecting seat.

Preferably, the upper die base assembly comprises an upper die base assembly upper connecting plate, an upper die base assembly connecting body and an upper die base assembly lower connecting plate which are sequentially connected from top to bottom, and reinforcing ribs are arranged on the side edges of the upper die base assembly connecting body.

Preferably, the lower die holder assembly comprises a lower die holder assembly base and two limiting blocks arranged at two ends of the upper surface of the lower die holder assembly base.

Further, a female die II is arranged on the right side of a left limiting block of the lower die holder assembly, a female die adjusting gasket is arranged between the left limiting block and the female die II, and a female die I is arranged above the female die II; a female die III is arranged on the left side of a right limiting block of the lower die holder assembly; and a jacking device is arranged between the female die II and the female die III.

Preferably, the upper right corner of the female die I is an arc surface, and the angle range is 95-98 degrees. The upper left corner of the female die III is a cambered surface, and the angle range is 95-98 degrees.

Preferably, a female die connecting plate is arranged between the limiting block at the right end of the lower die holder assembly and the female die III, so that the thickness of the female die III can be reduced.

Preferably, the ejecting device include from last to the adjustment lug, gasket, roof and the screw IV that sets gradually down, the ejecting is for containing the bellied cell body structure in both ends, and ejecting inslot sets gradually gasket and adjustment lug from bottom to top, adjustment lug, gasket and roof pass through screw IV through connection.

Preferably, the lower end faces of the upper die II, the upper die III and the male die connecting seat after assembly are 0.4-0.6 mm lower than the upper adjusting block.

As a second aspect of the present invention, there is provided a longitudinal beam shaping device, including the longitudinal beam shaping mold and the hydraulic press, an upward ejector rod is arranged on the workbench of the hydraulic press, and the position corresponds to the ejector device on the base of the lower die holder assembly.

Compared with the prior art, the beneficial effects of the utility model are that:

compared with the prior art, the shape of the shaped longitudinal beam provided by the prior art is two angles and three surfaces, and shaping of the planeness comprising two right angles, an obtuse angle and four planes cannot be realized;

the utility model provides a not problem of the plastic requirement of unidimensional deviation, different plane degree deviation, specifically embody at the plastic of U type opening size, two right angle angles, an obtuse angle, four planar plane degrees, can adjust according to the deviation condition after bending among the plastic process, realize the adjustable, quick, effective plastic of longeron finished piece, this device installation is convenient with the dismantlement simultaneously, and the plastic operability is good, and the implementation is easy.

Drawings

The accompanying drawings, which form a part of the specification, 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 without unduly limiting the scope of the invention.

Fig. 1 is a schematic structural view of a main body of a longitudinal beam shaping mold provided by the present invention;

fig. 2 is a schematic top view of the lower die holder assembly of the longitudinal beam shaping die provided by the present invention;

fig. 3 is a schematic structural view of a longitudinal beam after the longitudinal beam shaping mold provided by the invention is adopted for shaping;

fig. 4 is a schematic view of the upper die base assembly of the longitudinal beam shaping die provided by the present invention;

fig. 5 is a bottom view of the upper die base assembly of the longitudinal beam shaping mold provided by the present invention;

fig. 6 is a schematic view of the male die connecting seat of the longitudinal beam shaping die provided by the utility model;

fig. 7 is a schematic structural view of an upper die ii of the longitudinal beam shaping die provided by the utility model;

fig. 8 is a schematic structural view of an upper die i of the longitudinal beam shaping die provided by the utility model;

fig. 9 is a schematic view of the lower die holder assembly of the longitudinal beam shaping die provided by the present invention;

fig. 10 is a schematic view of a longitudinal beam shaping die cavity die i provided by the present invention;

fig. 11 is a schematic view of a longitudinal beam shaping mold concave mold iii provided by the present invention;

fig. 12 is a schematic view of a top part device of the longitudinal beam shaping mold provided by the present invention;

fig. 13 is a schematic view of a concave die adjusting shim for a longitudinal beam shaping die provided by the present invention;

fig. 14 is a schematic structural view of the longitudinal beam shaping device provided by the present invention.

The device comprises an upper die base assembly, 2-pin I, 3-bolt I, 4-screw I, 5-pin II, 6-male die connecting seat, 7-upper die I, 8-female die I, 9-screw II, 10-pin III, 11-ejecting part device, 12-female die II, 13-lower die base assembly, 14-female die adjusting gasket, 15-upper die II, 16-upper die III, 17-male die adjusting gasket, 18-bolt II, 19-pin IV, 20-female die connecting plate, 21-female die III, 22-pin V, 23-upper adjusting block, 24-screw III, 25-pin VI, 26-T type bolt and 27-hydraulic press, wherein the upper die base assembly comprises a screw rod, a screw rod and a screw rod;

101-an upper connecting plate of an upper die holder assembly, 102-a connecting body of the upper die holder assembly, 103-a lower connecting plate of the upper die holder assembly, and 104-a reinforcing rib;

1101-adjustment lug, 1102-spacer, 1103-top plate, 1104-screw iv;

1301-a lower die holder assembly base and 1302-a limiting plate;

2701-hydraulic cylinder for punching, 2702-hydraulic plate, 2703-workbench and 2704-ejector pin.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The prior art is mostly directed to a common U-shaped opening longitudinal beam, but the longitudinal beam with the cross section shape as shown in FIG. 3 cannot be produced, and the shaping of the longitudinal beam is required to ensure that: the dimension error of the U-shaped opening is not more than 0.6mm, two right angles are 90 degrees +/-45 degrees, an obtuse angle is 99 degrees +/-45 degrees, and the planeness of four planes (namely the surfaces A, B, C and D) is 1mm/m ² . The traditional bending machine is used for shaping, so that the required configuration operators are more, the efficiency is low, the shaping effect is not ideal, the repeatability is poor, and time and labor are wasted.

The utility model provides a longeron shaping device of new construction to the longeron of special shape, as shown in fig. 1 and fig. 2, including upper die base assembly 1, round pin I2, bolt I3, screw I4, round pin II 5, terrace die connecting seat 6, go up mould I7, die I8, screw II 9, round pin III 10, ejecting device 11, die II 12, die holder assembly 13, die adjusting shim 14, go up mould II 15, go up mould III 16, terrace die adjusting shim 17, bolt II 18, round pin IV 19, die connecting plate 20, die III 21, round pin V22, go up adjusting block 23, screw III 24, round pin VI 25;

as shown in fig. 4 and 5, the upper die holder assembly 1 includes an upper die holder assembly upper connecting plate 101, an upper die holder assembly connecting body 102, and an upper die holder assembly lower connecting plate 103, which are connected in sequence from top to bottom, the upper die holder assembly connecting body 102 is cylindrical, and reinforcing ribs 104 are disposed on the side edges.

The lower part of the upper die holder assembly 1 is provided with a male die connecting seat 6, and the male die connecting seat 6 is connected and fixed with an upper die holder assembly lower connecting plate 103 of the upper die holder assembly 1 through a bolt I3 and a screw III 24 and is positioned through a pin I2 and a pin II 5.

The structure of the male die connecting seat 6 is shown in fig. 6, notches are respectively reserved on the left side and the right side, an upper die I7 is arranged at the upper end of the left-side notch, and the upper die I7 is connected with the male die connecting seat 6 through a screw I4 and positioned through a pin VI 25; an upper die II 15 is arranged on the vertical surface of the left gap, and the upper die II 15 is connected with the male die connecting seat 6 through a bolt and positioned through a pin; the bottom of the male die connecting seat 6 is connected with an upper adjusting block 23 through a bolt and is positioned through a pin; an upper die III 16 is arranged at a gap at the right end of the male die connecting seat 6, and the upper die III 16 is connected with the male die connecting seat 6 through a bolt and positioned through a pin; and a male die adjusting gasket 17 is arranged on the left side surface of the upper die III 16 in the direction of the male die connecting seat 6.

As shown in FIG. 7, the lower left corner of the upper die II 15 is subjected to rounding treatment, the round angle is selected according to the fillet of the workpiece, and the lower difference of the diameters of the fillets is generally-1, and the upper difference of the diameters of the fillets is generally 0.

As shown in fig. 8, the section of the upper mold I7 in the front view angle is an inverted trapezoid, and an inclined surface is arranged on the lower surface to adapt to the inclined surface D of the longitudinal beam.

As shown in fig. 9, the lower die holder assembly 13 includes a lower die holder assembly base 1301 and two stoppers 1302 disposed at two ends of the upper surface of the base 1301. As shown in fig. 1, a female die ii 12 is arranged on the right side of a left side limiting block of the lower die holder assembly 13, a female die adjusting gasket 14 is arranged between the left side limiting block and the female die ii 12, a female die i 8 is arranged above the female die ii 12, and the female die i 8 and the female die ii 12 are connected and positioned through a screw ii 9 and a pin iii 10; a female die III 21 is arranged on the left side of a right limiting block of the lower die holder assembly 13; and a jacking piece device 11 is arranged between the female die II 12 and the female die III 21.

As shown in FIG. 10, the upper right corner of the female die I8 is an arc surface, and the angle range can be 95-98 degrees.

The female die II 12 and the female die III 21 adjust the gap of the lower die opening by adding female die adjusting gaskets 14 with different thicknesses; and the upper die III 16 and the punch connecting seat 6 adjust the opening clearance of the upper die by adding punch adjusting gaskets 17 with different thicknesses. The die adjusting shim 14 and the punch adjusting shim 17 are identical in structure, and are provided with U-shaped notches so as to be conveniently embedded between the two side components as shown in fig. 13.

The structure of the female die III 21 is shown in FIG. 11, the upper left corner is an arc surface, and the angle range can be 95-98 degrees.

The female die connecting plate 20 is positioned between the limiting block at the right end of the lower die holder assembly 13 and the female die III 21, so that the thickness of the female die III 21 can be reduced.

A limiting block at the right end of the lower die holder assembly 13 is connected with a female die connecting plate 20 and a female die III 21 through a bolt II 18 and is positioned by a pin IV 19. The ejecting device 11 is arranged above a base of the lower die holder assembly 13 and located between the female die II 12 and the female die connecting plate 20, and as shown in fig. 12, comprises an adjusting lug 1101, a gasket 1102, a top plate 1103 and a screw IV 1104 which are sequentially arranged from top to bottom, the ejecting 1103 is of a groove structure with two protruding ends, the gasket 1102 and the adjusting lug 1101 are sequentially arranged in a groove of the ejecting 1103 from bottom to top, and the adjusting lug 1101, the gasket 1102 and the top plate 1103 are connected in a penetrating manner through the screw IV 1104; the lower die holder assembly 13 is provided with a through hole at the base, so that the ejector device 11 and a workpiece to be processed (such as a longitudinal beam) can be ejected upwards by using an ejector rod after shaping is finished; as a typical example, as shown in fig. 14, the longitudinal beam shaping mold is disposed on a hydraulic press 27, an upward ejector bar 2704 is disposed on a worktable 2703 of the hydraulic press, and the position of the ejector bar corresponds to a through hole and an ejector device on a base of the lower die holder assembly 13, and a processed workpiece is ejected through the ejector device; the ejector 2704 can be a hydraulic cylinder or an air cylinder. As a device commonly used in the field of machining, the structure of the hydraulic machine 27 is not described in detail, and in this embodiment, the bottom end of the hydraulic cylinder for stamping above the hydraulic machine 27 is connected to the hydraulic plate 2702; the upper die holder assembly 1 is connected with a hydraulic plate 2702 of the hydraulic machine through a T-shaped bolt to provide power for the lifting of the upper die holder assembly 1; the lower die holder assembly 13 is connected with a hydraulic press workbench through a T-shaped bolt 28, and the lower die holder assembly 13 is fixed on the hydraulic press workbench.

The quantity of the gaskets 1102 is increased or decreased according to the size difference and precision of the required shaping;

the middle of the adjusting lug 1101 protrudes 1mm higher than the two sides;

the lower end faces of the upper die II 15, the upper die III 16 and the male die connecting seat 6 after assembly protrude downwards for a certain distance than the upper adjusting block 23, and the design here is 0.5mm.

The lower end faces of the upper die II 15 and the upper die III 16 are coplanar, and the planeness is not more than 0.08mm.

The contact surfaces of the female die I8, the female die II 12 and the female die III 21 and the workpiece are coplanar, the planeness is not more than 0.08mm, and the female die is formed by continuously splicing a front section and a rear section for easier implementation of machining.

The upper die I7 is set to be a fixed angle, and the angle value of the upper die is 45' smaller than that of a workpiece.

The female die I8 is set to be at a fixed angle, and the angle value of the female die is 45' larger than that of a workpiece. The outer side of the upper die III 16 exceeds the outer side of the male die connecting seat 6 by 1mm and is used for resisting resilience.

The length size of the upper die base assembly is identical to the width size of the hydraulic press and is designed to be 1700 here, and the width size of the working platform of the lower die base assembly is identical to be 1700 here.

The utility model provides a longeron shaping device can adjust according to the longeron size.

The overall height is designed in such a way that the transverse dimension of the longitudinal beam does not interfere with the shaping device, except for the closing height of the hydraulic press.

The utility model provides a longeron shaping device the utility model provides a longeron integrated device, longeron tensile strength that here can the plastic is greater than or equal to 785MPa.

In the longitudinal beam shaping device, the connecting pins of all the blind holes are cylindrical pins with internal threads.

The working principle of the invention is as follows: adjusting the opening size of a female die and the height size of a boss on a top device according to the size deviation of a U-shaped opening, the deviation of an obtuse angle between two right angles and the deviation of the planeness of four planes after the longitudinal beam is bent and formed, so as to reach a preset gap and rebound amount; and fixing the lower die holder assembly 13, the female die adjusting gasket 14, the female die II 12, the female die connecting plate 20 and the female die III 21 by using a bolt II 18 and a pin IV 19 to realize the precision and size adjustment of the shaping die of the longitudinal beam to be shaped, and then matching with a hydraulic machine to drive the upper die holder assembly and an upper die I7, an upper die II 15 and an upper die III 16 connected with the upper die holder assembly to perform stamping shaping, so that the adjustable, quick and effective shaping of the workpiece is completed.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (10)

1. A longitudinal beam shaping die is characterized by comprising an upper die component and a lower die component, wherein the upper die component comprises an upper die base assembly, a male die connecting base, an upper die I, an upper die II, an upper die III and an upper adjusting block; the male die connecting seat is connected to the lower part of the upper die holder assembly, and the lower part of the male die connecting seat is respectively connected with the upper die I, the upper die III and the upper adjusting block to form an upper surface which is in contact with a workpiece; the lower die assembly comprises a lower die base assembly, and a female die I, a jacking device, a female die II and a female die III which are arranged on the lower die base assembly, wherein the female die I is positioned above the female die II, and the female die I, the jacking device and the female die III form a lower surface which is in contact with a workpiece;

notches are respectively reserved on the left side and the right side of the male die connecting seat, an upper die I is arranged at the upper end of the left side notch, and an upper die II is arranged on the vertical surface of the left side notch; the bottom of the male die connecting seat is connected with an upper adjusting block; and an upper die III is arranged at the right end notch of the male die connecting seat.

2. The longitudinal beam shaping mold according to claim 1, wherein the upper mold I is an inverted trapezoid, and the lower surface of the upper mold I is provided with an inclined surface; and chamfering the lower left corner of the upper die II.

3. The longitudinal beam reshaping die according to claim 1, wherein a male die adjusting gasket is arranged on the left side surface of the upper die III in the direction of the male die connecting seat.

4. The mold for shaping longitudinal beams according to claim 1, wherein the upper mold base assembly comprises an upper mold base assembly connecting plate, an upper mold base assembly connecting body and an upper mold base assembly lower connecting plate which are connected in sequence from top to bottom, and reinforcing ribs are arranged on the side edges of the upper mold base assembly connecting body.

5. The longitudinal beam shaping die as claimed in claim 2, wherein the lower end surfaces of the upper die II, the upper die III and the male die connecting seat after assembly are 0.4-0.6 mm lower than the upper adjusting block.

6. The longitudinal beam shaping mold according to claim 1, wherein the lower die holder assembly comprises a lower die holder assembly base and two limiting blocks arranged at two ends of the upper surface of the lower die holder assembly base.

7. The longitudinal beam shaping mold according to claim 6, wherein a female mold II is arranged on the right side of a left side limiting block of the lower mold base assembly, a female mold adjusting gasket is arranged between the left side limiting block and the female mold II, and a female mold I is arranged above the female mold II; a female die III is arranged on the left side of a right limiting block of the lower die holder assembly; a jacking device is arranged between the female die II and the female die III; and a female die connecting plate is arranged between the limiting block at the right end of the lower die holder assembly and the female die III.

8. The stringer reshaping die of claim 7, wherein the upper right corner of the female die i is a cambered surface, and the angle ranges from 95 degrees to 98 degrees.

9. The longitudinal beam shaping mold according to claim 8, wherein the upper left corner of the female mold III is a cambered surface, and the angle range is 95-98 degrees.

10. A longitudinal beam shaping device is characterized by comprising the longitudinal beam shaping die as claimed in any one of claims 1 to 9 and a hydraulic machine, wherein an upward ejector rod is arranged on a workbench of the hydraulic machine, and the position of the ejector rod corresponds to that of an ejector device on a base of a lower die holder assembly.

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