A kind of minor face material pressing device for the adaptive polytypic sheet material heating of forming machine
Technical field
The present invention relates to the minor face material pressing device of forming machine sheet material heating.
Background technology
Automotive trim forming machine carries out processing and forming by thermoplastic shaping technology to sheet material.In the forming machine of automation, first sheet material is sent to heating part by connecting gear by sheet material, and then the sheet material after heating being sent to forming part, to carry out concave-convex mold shaping.During sheet material heating, connecting gear grasps the both sides of sheet material usually, and the sheet material after heating softens, because self gravitation can cause middle sagging.For this reason, need to be fixed four limits of sheet material when heating.The both sides that connecting gear grasps sheet material usually belong to long limit, and the fixing of remaining sheet material two minor face is fixed by minor face material pressing device.During the shaping different model sheet material of forming machine, board dimension is different, and bond length is not identical yet, and therefore needing can the minor face material pressing device of adaptive different bond length.
Summary of the invention
Problem to be solved by this invention: during the heating of forming machine sheet material, minor face material pressing device is to the adaptation of different model bond length.
For solving the problem, the scheme that the present invention adopts is as follows:
For a minor face material pressing device for the adaptive polytypic sheet material heating of forming machine, comprise T-shaped frame, expansion brace table, sliding guide mechanism and screw regulating mechanism; The T-shaped structure that described T-shaped frame is made up of brace summer and main brace table; Brace summer is horizontally disposed with; Described expansion brace table has two, is erected on described T-shaped frame, and has identical height with main brace table by described sliding guide mechanism; Two described expansion brace tables lay respectively at the both sides of main brace table center line, and under the driving of described screw regulating mechanism, contrary the moving in direction can be done along described sliding guide mechanism, make two described expansion brace tables simultaneously near or simultaneously away from main brace table center line.
Further, described screw regulating mechanism comprises screw mandrel, silk braid, end plate and turning handle; End plate has two pieces, is arranged on two ends of brace summer respectively separately; Screw mandrel is erected on two end plates, and parallel with brace summer; Screw mandrel is provided with forward screw thread and reverse thread; Silk braid has two, is fixed on two expansion brace tables respectively separately; One of them silk braid is enclosed within forward screw thread place, and another silk braid is enclosed within reverse thread place; One end of screw mandrel is located at by turning handle.
Further, described expansion brace table comprises platform top board, medial cradle and outrigger; Medial cradle and outrigger are vertically arranged; Platform top board is erected at the top of medial cradle and outrigger; Platform top board and main brace table are with high; Described sliding guide mechanism comprises lower guide plate, upper guide pad and lead; Lower guide plate level frame is located at the side of brace summer; The lower end of medial cradle and outrigger is stuck on lower guide plate, and can slide in the horizontal direction along lower guide plate; Upper guide pad is arranged on the side of main brace table, is provided with the pilot hole of two levels; One end of lead is fixed on outrigger, and the other end is stuck in a pilot hole of guide pad, and parallel with screw mandrel; Lead can slide in pilot hole.
Further, the two ends of lower guide plate are provided with limited block.
Further, lower guide plate is the plate body of strip, and is provided with draw-in groove and lower bayonet slot between brace summer.
Further, medial cradle is provided with the mouth of stepping down kept supplying guide pad and pass.
Further, this device also comprises gear; Gear has two, is located at the two ends of brace summer respectively.
Technique effect of the present invention is as follows: in the present invention, two expansion brace tables and the binder surface of main brace table composition to sheet material, because the distance between expansion brace table is adjustable, make this binder surface width-adjustable, thus the plate of adaptive different bond length heats.
Accompanying drawing explanation
Fig. 1 and Fig. 2 is overall structure schematic diagram of the present invention, and wherein Fig. 1 is expansion brace table retracted state, and Fig. 2 is that expansion brace table extends out state.
Fig. 3 is the schematic cross-section of lower guide plate.
Fig. 4 is the structural representation of upper guide pad.
Fig. 5 is application structure schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further details.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, a kind of minor face material pressing device for the adaptive polytypic sheet material heating of forming machine, comprises T-shaped frame, expansion brace table, sliding guide mechanism and screw regulating mechanism.The T-shaped structure that T-shaped frame is made up of brace summer 11 and main brace table 12.Wherein, brace summer 11 is horizontally disposed with.Expansion brace table has two, is erected on T-shaped frame, and has identical height with main brace table 12 by sliding guide mechanism.Two expansion brace tables lay respectively at the both sides of main brace table 12 center line, and under the driving of screw regulating mechanism, can do contrary the moving in direction along sliding guide mechanism, make two expand brace tables simultaneously near or simultaneously away from main brace table 12 center line.
Specific to the present embodiment, expansion brace table comprises platform top board 21, medial cradle 22 and outrigger 23; Screw regulating mechanism comprises screw mandrel 31, silk braid 25, end plate 32 and turning handle 33; Sliding guide mechanism comprises lower guide plate 41, upper guide pad 42 and lead 24.Medial cradle 22 and outrigger 23 are vertically arranged.Platform top board 21 is erected at the top of medial cradle 22 and outrigger 23.Platform top board 21 and main brace table 12 are with high.Lower guide plate 41 is the plate body of strip, and level frame is located at the side of brace summer 11, and plate face is vertical, and is provided with draw-in groove 412 between brace summer 11 and lower bayonet slot 413 makes the T-shaped structure of lower guide plate 41.The two ends of lower guide plate 41 are provided with limited block 411.The lower end of medial cradle 22 and outrigger 23 is stuck on lower guide plate 41 by the structure matched with upper draw-in groove 412 and lower bayonet slot 413, and can slide in the horizontal direction along lower guide plate 41.Upper guide pad 42 is arranged on the side of main brace table 12, is provided with the pilot hole 421 of two levels.Medial cradle 22 is provided with the mouth 221 of stepping down kept supplying guide pad 24 and pass.Two pilot holes 421, in being arranged above and below, are parallel to each other, and parallel in lower guide plate 41.Two expansion brace tables are respective to there being a lead 24 respectively.One end of lead 24 is fixed on outrigger 23, and the other end is stuck in a pilot hole 421 of guide pad 42.The two piece leads 24 of two expansions corresponding to brace table are stuck in two pilot holes 421 respectively, form cross structure.Two leads 24 can slide in respective pilot hole 421.End plate 32 has two pieces, is arranged on two ends of brace summer 11 respectively separately.Screw mandrel 31 is erected on two end plates 32, and parallels with brace summer 11, lead 24 and lower guide plate 41.Screw mandrel 31 is provided with forward screw thread 311 and reverse thread 312.Silk braid 25 has two, is fixed on separately respectively on the outrigger 23 of two expansion brace tables.One of them silk braid 25 is enclosed within forward screw thread 311 place, and another silk braid 25 is enclosed within reverse thread 312 place.One end of screw mandrel 31 is located at by turning handle 33.
The operation principle of the present embodiment is as follows: the device of the present embodiment is arranged on forming machine, as shown in Figure 5, and two relative minor face material pressing devices setting up and down.Minor face material pressing device is wherein fitted through linear gear rack 92 and is arranged on bottom girder 91, and the minor face material pressing device of top is arranged on below back timber 93.When upper and lower two minor face material pressing device pressings, two minor face material pressing devices realize carrying out binder to the minor face of sheet material jointly.When needing the width adjusting upper and lower two minor face material pressing device stitching surfaces; manual rotation's handle is rotated by screw mandrel 31 and the screw-threaded engagement effect of silk braid 25 promotes two of minor face material pressing device and expands brace tables and slide along sliding guide mechanism, draws close or scatter to two ends to centre.For the sheet material that bond length is shorter, two expansion brace tables are drawn close to centre, thus reduces the width of stitching surface; For the sheet material that bond length is long, two expanded brace tables or scatter to two ends, thus widens the width of stitching surface, realizing the adaptation of different model sheet material thus.
In addition it should be noted that, the present embodiment, on the basis of said structure, is also provided with mobile device further.Mobile device is the gear 52 being arranged on brace summer 11 two ends.Gear 52 has two, the corresponding gear 52 in one end of brace summer 11.Gear 52 is erected between drive tab 51 and end plate 32.