CN220742210U - Preforming equipment for T-shaped composite material stringer blank - Google Patents

Abstract

The utility model relates to the technical field of composite material forming, in particular to preforming equipment and a forming method of a T-shaped composite material stringer blank. The preforming equipment is distributed with a plurality of groups in the length direction of the equipment, and each group comprises a base (1), a support arm (8), a left lower die moving mechanism (3), a right lower die moving mechanism (4), a middle lower die moving mechanism (2), an upper left die moving mechanism (5), an upper right die moving mechanism (7) and an upper die moving mechanism (6); the utility model adopts the laminated sliding principle to ensure the forming quality of the fillet, adopts the automatic forming idea to deform the flat plate blank into the L-shaped composite material stringer blank which is formed into the shape, further forms the T-shaped stringer, solves the problems of the quality and the manufacturing stability of the stringer, and greatly improves the production efficiency.

Description

Preforming equipment for T-shaped composite material stringer blank

Technical Field

The utility model relates to the technical field of composite material forming, in particular to preforming equipment for a T-shaped composite material stringer blank.

Background

The composite material forming process is a development foundation and condition of the composite material industry, and along with the widening of the application field of the composite material, the composite material industry is rapidly developed, and new forming methods are continuously emerging. The T-shaped stringer is widely applied to main bearing structures such as composite material wallboards, and the traditional forming method of T-shaped composite material stringer blanks adopts a manual method to lay L-shaped blanks on two sides layer by layer on a die, the L-shaped blanks are assembled and filled with core materials after the laying is completed, and a cover plate is laid.

At present, the three-dimensional blank preparation of the domestic T-shaped stringer mostly adopts a manual laying process. The manual laying process adopts a manual mode to lay the prepreg layer by layer on the profile of the stringer die, the laying quality is greatly influenced by the operation skill of operators, and the quality consistency is difficult to ensure. For large-size stringer products, a large number of operators are required to lay up simultaneously, and due to different skill levels, the manual laying of stringers is unstable in laying quality, and is very prone to defects, and the efficiency problem is also increasingly pronounced.

Disclosure of Invention

The utility model aims to solve the problems of poor manufacturing quality and low manufacturing efficiency of a T-shaped composite material stringer, and creatively invents and develops an automatic forming device and manufacturing process of the T-shaped stringer to solve the problems.

The technical scheme of the utility model is as follows: the preforming equipment for the T-shaped composite material stringer blank is characterized in that a plurality of groups of preforming equipment are distributed in the length direction of the equipment, each group comprises a base 1, a support arm 8, a left lower die moving mechanism 3, a right lower die moving mechanism 4, a middle lower die moving mechanism 2, an upper left die moving mechanism 5, an upper right die moving mechanism 7 and a middle upper die moving mechanism 6; wherein the base 1 is of a platform structure, and the left lower die moving mechanism 3, the middle lower die moving mechanism 2 and the right lower die moving mechanism 4 are sequentially arranged from left to right; the specific structure of the support arm 8 is an inverted L-shaped structure, the lower end of the support arm is fixed on the base 1, and the upper end of the support arm is provided with a left upper die moving mechanism 5, a right upper die moving mechanism 7 and an upper die moving mechanism 6.

The middle lower die moving mechanism 2 comprises a middle lower die actuator 201, a middle lower die moving mechanism linear bearing 204, a middle lower die moving mechanism linear shaft 206, a middle lower die moving mechanism synchronous mechanism 203, a middle lower die head mounting seat 205 and a middle lower die head 202; the middle and lower die moving mechanism linear bearing 204 is fixed on the base 1, the middle and lower die moving mechanism linear shaft 206 is matched with the middle and lower die moving mechanism linear bearing 204, a middle and lower die head mounting seat 205 is fixed at the upper end of the middle and lower die moving mechanism linear shaft 206, and a middle and lower die head 202 is mounted on the upper side of the middle and lower die head mounting seat 205; the body of the middle lower die actuator 201 is fixed with the base 1, the movable end is connected with the middle lower die mounting seat 205, the middle lower die actuator 201, the middle lower die moving mechanism linear bearing 204, the middle lower die moving mechanism linear shaft 206 and the middle lower die moving mechanism synchronous mechanism 203 are distributed in a plurality of groups along the length direction, and the synchronous movement of the middle lower die moving mechanism synchronous mechanism 203 is kept.

The specific structure of the middle-lower die head 202 is as follows: the cross section is the rectangle, has the lower die head guide rail 207 of well lower die head mount pad 205 installation of being used for under with, right side lower corner screens boss 208, and the lower left corner has screens boss 214, and right side facade is right side guide surface 209, and left side facade is left side guide surface 213, has screens boss 211 directly over, and its height is the same with the thickness of blank, and screens boss 211 right side is right side blank and adds and hold face 210, and its left side is left side blank and adds and hold face 212.

The lower left die moving mechanism 3 comprises a lower left die moving mechanism sliding rail 301, a lower left die moving mechanism sliding block 302, a lower left die head mounting seat 303, a lower left die head 306, a lower left die head aligning pin 305 and a lower left die head actuator 304; the slide rail 301 is fixed on the base 1, the slide block 302 is matched with the slide rail 301, a left lower die head mounting seat 303 is fixed on the slide block, a left lower die head 306 is mounted on the upper side of the left lower die head mounting seat 303, a left lower die head alignment pin 305 is arranged on the left side, the body of the left lower die head actuator 304 is fixed with the base 1, and the movable end is connected with the left lower die head mounting seat 303; the specific structure of the lower left die head 306 is as follows: the cross section is rectangular, and a lower left die head mounting guide rail 307 for being mounted with the lower left die head mounting seat 303 is arranged below; the lower left die right vertical plane 308, the upper right corner has the lower left die right corner fillet 309 that is the same as the blank fillet radius, and the lower left die upper blank is flattened 310.

The lower right die moving mechanism 4 comprises a lower right die moving mechanism sliding rail 401, a lower right die moving mechanism sliding block 402, a lower right die head mounting seat 403, a lower right die head 406, a lower right die head aligning pin 405 and a lower right die head actuator 404. The right lower die moving mechanism sliding rail 401 is fixed on the base 1, the right lower die moving mechanism sliding block 402 is matched with the right lower die moving mechanism sliding rail 401, a right lower die head mounting seat 403 is fixed on the right lower die moving mechanism sliding rail 401, a right lower die head 406 is mounted on the upper side of the right lower die head mounting seat 403, a right lower die head alignment pin 405 is arranged on the right side, a body of a right lower die head actuator 404 is fixed with the base 1, and a movable end is connected with the left lower die head mounting seat 403; the specific structure of the lower right die 406 is: the cross section is rectangular, and a right lower die head mounting guide rail 407 for being mounted with the right lower die head mounting seat 403 is arranged below; on the left side is a lower right die vertical plane 408, the upper left corner has a lower right die upper left corner fillet 409 of the same fillet radius as the blank, and the upper side is a lower right die blank holding plane 410.

The upper left die moving mechanism 5 comprises an upper left die aligning pin 501, an upper left die moving mechanism transverse actuator 502, an upper left die moving mechanism synchronous mechanism 503, an upper left die moving mechanism outer side linear bearing 504, an upper left die moving mechanism outer side linear shaft 505, an upper left die moving mechanism longitudinal actuator 506, an upper left die moving mechanism inner side linear shaft 507, an upper left die moving mechanism inner side linear bearing 508, an upper left die moving mechanism mounting plate 509, an upper left die moving mechanism transverse guide rail 510, an upper left die moving mechanism transverse slide block 511, an upper left die head mounting seat 512 and an upper left die head 513; the left upper die moving mechanism outer side linear bearing 504 and the left upper die moving mechanism inner side linear bearing 508 are fixed on the support arm 8, the left upper die moving mechanism outer side linear shaft 505 is matched with the left upper die moving mechanism outer side linear bearing 504, the left upper die moving mechanism inner side linear shaft 507 is matched with the left upper die moving mechanism inner side linear bearing 508, and the lower ends of the left upper die moving mechanism outer side linear shaft b505 and the left upper die moving mechanism inner side linear shaft 507 are connected on the left upper die moving mechanism mounting plate 509; the body of the upper left die moving mechanism longitudinal actuator 506 is fixed with the support arm 8, and the movable end is connected with the upper left die moving mechanism mounting plate 509; the left upper die moving mechanism transverse guide rail 510 is fixed on the left upper die moving mechanism mounting plate 509, the left upper die moving mechanism transverse slide block 511 is matched with the left upper die moving mechanism transverse guide rail 510, and the left upper die moving mechanism transverse slide block 511 is fixed with a left upper die head mounting seat 512; the specific structure of the upper left die 513 is as follows: the cross section is rectangular, and the lower part is provided with an upper left die blank holding surface 515, and the upper part is provided with an upper left die guide rail 514 for being installed with an upper left die mounting seat 512.

The middle-upper die moving mechanism 6 comprises a middle-upper die head 601, a middle-upper die head mounting seat 602, a middle-upper die moving mechanism cross beam 603, a middle-upper die moving mechanism linear bearing 604, a middle-upper die moving mechanism linear shaft 605, a middle-upper die moving mechanism rack 606, a middle-upper die moving mechanism gear set 607, a middle-upper die moving mechanism belt 608 and a middle-upper die moving mechanism driving motor 609; wherein the linear bearing 604 of the middle-upper die moving mechanism is fixed on the support arm 8, the linear shaft 605 of the middle-upper die moving mechanism is matched with the linear bearing 604 of the middle-upper die moving mechanism, and the lower end of the linear shaft 605 of the middle-upper die moving mechanism is connected on the cross beam 603 of the middle-upper die moving mechanism; the lower end of the middle-upper die moving mechanism rack 606 is connected to the middle-upper die moving mechanism cross beam 603, and the side surface of the middle-upper die moving mechanism rack is matched with the middle-upper die moving mechanism gear set 607; the middle-upper die moving mechanism driving motor 609 drives the middle-upper die moving mechanism gear set 607 through the middle-upper die moving mechanism belt 608 to drive the middle-upper die moving mechanism rack 606 to move up and down; an upper die moving mechanism linear bearing 604, an upper die moving mechanism linear shaft 605, an upper die moving mechanism rack 606, an upper die moving mechanism gear set 607, an upper die moving mechanism belt 608, and upper die moving mechanism driving motors 609 are distributed in multiple groups along the length direction of the equipment; the specific structure of the middle-upper die head 601 is as follows: the cross section is rectangular, the left vertical surface 616 of the middle upper die head is a vertical plane, and the left lower round angle 615 of the middle upper die head; the right side elevation 614 of the upper middle die is a vertical plane, and the right lower round corner 613 of the upper middle die; an upper die head guide rail 611 for being installed with the die head installation seat is arranged on the upper side; the lower plane is the upper die holding surface 612.

The upper right die moving mechanism 7 comprises an upper right die aligning pin 701, an upper right die moving mechanism transverse actuator 702, an upper right die moving mechanism synchronous mechanism 703, an upper right die moving mechanism outer side linear bearing 704, an upper right die moving mechanism outer side linear shaft 705, an upper right die moving mechanism longitudinal actuator 706, an upper right die moving mechanism inner side linear shaft 707, an upper right die moving mechanism inner side linear bearing 708, an upper right die moving mechanism mounting plate 709, an upper right die moving mechanism transverse guide rail 710, an upper right die moving mechanism transverse slide block 711, an upper right die head mounting seat 712 and an upper right die head 713; wherein the right upper die moving mechanism outer side linear bearing 704 and the right upper die moving mechanism inner side linear bearing 708 are fixed on the support arm 8, the right upper die moving mechanism outer side linear shaft 705 is matched with the right upper die moving mechanism outer side linear bearing 704, the right upper die moving mechanism inner side linear shaft 707 is matched with the right upper die moving mechanism inner side linear bearing 708, and the lower ends of the right upper die moving mechanism outer side linear shaft 705 and the right upper die moving mechanism inner side linear shaft 707 are connected on the right upper die moving mechanism mounting plate 709; the body of the upper right die movement mechanism longitudinal actuator 706 is fixed with the support arm 8, and the movable end is connected with the upper right die movement mechanism mounting plate 709; the upper right die moving mechanism transverse guide rail 710 is fixed on the upper right die moving mechanism mounting plate 709, the upper right die moving mechanism transverse slide block 711 is matched with the upper right die moving mechanism transverse guide rail 710, and the upper right die head mounting seat 712 is fixed on the upper right die moving mechanism transverse slide block 711; an upper right die 713 is mounted on the lower side of the upper right die mount 712, and an upper right die alignment pin 701 is provided on the right side; the specific structure of the upper right die 713 is as follows: the cross section is rectangular, and at the bottom is an upper right die blank holding surface 715, and above it is an upper right die rail 714 for mounting with an upper right die mount 712.

The upper surfaces of the left lower die 306, the right lower die and the middle lower die 202 are flush, the right vertical plane 308 of the left lower die is jointed with the guide surface 213 of the middle lower die, the left vertical plane 408 of the right lower die is jointed with the guide surface 209 of the middle lower die, the left upper die 513 is positioned right above the left lower die 306, the right upper die 713 is positioned right above the right lower die 406, and the middle upper die 601 is positioned right above the middle lower die 202.

The beneficial effects of the utility model are as follows: the utility model creatively provides a T-shaped composite material stringer preforming device and a forming method, adopts a laminated sliding principle to ensure the forming quality of a fillet, adopts an automatic forming thought to deform a flat plate blank into a formed L-shaped composite material stringer blank, further forms the T-shaped stringer, solves the problems of the quality and the manufacturing stability of the stringer, and greatly improves the production efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments of the present utility model will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.

FIG. 1 is a schematic illustration of the construction of a T-shaped composite stringer blank;

wherein: 10. t-shaped composite stringer blanks; 11. right L-shaped blank; 12. a stringer floor; 13. left L-shaped blank; 14. filling a core material; 15. the lower end slope of the right longitudinal flanging; 16. the lower end slope of the left longitudinal flanging.

FIG. 2 is a schematic illustration of a preforming apparatus for T-shaped composite stringer blanks;

wherein: 1. a base; 2. a middle and lower die movement mechanism; 3. a left lower die movement mechanism; 4. a right lower die movement mechanism; 5. an upper left die movement mechanism; 6. a middle-upper die movement mechanism; 7. a right upper die movement mechanism; 8. and a support arm.

FIG. 3 is a schematic diagram of a lower middle die movement mechanism;

wherein: 201. a lower and middle die actuator; 202. a middle lower die head; 203, a middle and lower die movement mechanism synchronization mechanism; 204, a linear bearing of a middle-lower die movement mechanism; 205-a middle-lower die head mounting seat; 206-a middle-lower die movement mechanism linear shaft; 207-lower middle die guide rail; 208-lower right corner clamping boss; 209. a right guide surface; 210-right blank holding surface; 211-clamping bosses; 212-left blank holding surface; 213-left guide surface; 214-a clamping boss.

FIG. 4 is a schematic view of a lower left die movement mechanism;

wherein: 301-left lower die movement mechanism sliding rail, 302 left lower die movement mechanism sliding block; 303 lower left die head mounting seat; 304-lower left die actuator; 305-lower left die alignment pin; 306-lower left die; 307 lower left die mounting rail; 308-lower left die right vertical plane; 309 lower left die right upper corner fillet; 310-left lower die upper blank holding plane.

FIG. 5 is a schematic view of a lower right die movement mechanism;

wherein: 401-slide rail of a right lower die moving mechanism and 402-slide block of the right lower die moving mechanism; 403-lower right die mount; 404-lower right die actuator; 405-lower right die alignment pin; 406-lower right die; 407-lower right die mount-rail; 408-lower right die vertical plane; 409-lower right die left upper corner fillet; 410 lower right die blank holding plane.

FIG. 6 is a schematic diagram of an upper left die movement mechanism;

wherein: 501-upper left die alignment pin; 502-a transverse actuator of an upper left die moving mechanism; 503-a synchronization mechanism of the upper left die movement mechanism; 504-upper left die movement mechanism outer linear bearing a; 505-upper left die movement mechanism outside linear axis b; 506. a left upper die movement mechanism longitudinal actuator; 507-an upper left die movement mechanism inside linear shaft; 508-linear bearings inside the upper left die movement mechanism; 509-upper left die movement mechanism mounting plate; 510-upper left die moving mechanism transverse guide rail 511-upper left die moving mechanism transverse slide block; 512-upper left die mount; 513-upper left die; 514-upper left die guide rail; 515-upper left die blank holding surface.

FIG. 7 is a schematic view of an upper die movement mechanism;

wherein: 601-upper die head; 602-an upper die head mount; 603-a middle-upper die movement mechanism cross beam; 604-a linear bearing of the upper die moving mechanism; 605-upper die movement mechanism linear shaft; 606-a middle-upper die movement mechanism rack; 607-a gear set of the upper die movement mechanism; 608-a belt of an upper die moving mechanism; 609-the upper die movement mechanism drives a motor; 610-upper die movement mechanism drive gear; 611-an upper die rail; 612-upper die holding surface; 613-lower right rounded corners of the middle upper die head, 614-right vertical faces of the middle upper die head; 615-upper die left lower fillet; 616—middle upper die left side elevation.

FIG. 8 is a schematic diagram of an upper right die movement mechanism;

wherein: 701-upper right die alignment pin; 702-a transverse actuator of an upper right die movement mechanism; 703-a right upper die movement mechanism synchronizing mechanism; 704-a linear bearing outside the upper right die moving mechanism; 705-right upper die movement mechanism outside linear axis; 706-upper right die movement mechanism longitudinal actuators; 707-upper right die movement mechanism inside linear shaft; 708-linear bearings inside the upper right die movement mechanism; 709-upper right die movement mechanism mounting plate; 710-upper right die movement mechanism transverse guide rail, 711-upper right die movement mechanism transverse slide block; 712-upper right die mount; 713-upper right die; 714-upper right die guide; 715-upper right die blank holding surface.

FIG. 9 is a schematic diagram of the operation of process 1;

FIG. 10 is a schematic diagram of the operation of process step 2;

FIG. 11 is a schematic diagram of the operation of process 3;

FIG. 12 is a schematic diagram of the operation of process 4;

FIG. 13 is a schematic diagram of the operation of process step 5;

FIG. 14 is a schematic diagram of the operation of process step 6;

FIG. 15 is a schematic diagram of the operation of process 7;

FIG. 16 is a schematic diagram of the operation of process 8;

FIG. 17 is a schematic diagram of the operation of process step 9;

FIG. 18 is a schematic diagram of the operation of process step 10;

FIG. 19 is a schematic diagram of the operation of process 11;

fig. 20 is a schematic diagram of the operation 12.

Detailed Description

The utility model will be further described with reference to the accompanying drawings.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "upper", "lower", "left", "right" and the like are used herein for illustrative purposes only and do not represent the only embodiment. 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 utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The structure of the T-shaped composite stringer blank 10 is: consists of a bottom plate 12, a left L-shaped blank 13, a right L-shaped blank 11 and a filling core material 14; the right L-shaped blank 11 is of an L-shaped structure, and the lower end of the longitudinal flanging of the right L-shaped blank is provided with a slope 15; the left L-shaped blank 13 is symmetrical with the right L-shaped blank 11, the longitudinal flanging of the right L-shaped blank and the longitudinal flanging of the left L-shaped blank are relatively combined to form a web plate of the T-shaped blank, and a gap formed in the fillet area is filled with a filling core material 14; wherein the bottom plate 12 is a flat plate and covers the transverse flanging of the right L-shaped blank, the transverse flanging of the left L-shaped blank and the filling core material.

The preforming equipment for the T-shaped composite material stringer blank comprises a base 1, a support arm 8, a left lower die moving mechanism 3, a right lower die moving mechanism 4, a middle lower die moving mechanism 2, an upper left die moving mechanism 5, an upper right die moving mechanism 7 and an upper middle die moving mechanism 6;

the base 1 is of a platform structure, and is provided with a left lower die moving mechanism 3, a right lower die moving mechanism 4 and a middle lower die moving mechanism 2; the specific structure of the support arm 8 is as follows: the lower end of the inverted L-shaped structure is fixed on the base 1, and the upper end of the inverted L-shaped structure is provided with a left upper die moving mechanism 5, a right upper die moving mechanism 7 and an upper die moving mechanism 6; multiple groups are distributed along the length of the device.

The middle lower die moving mechanism 2 comprises a middle lower die actuator 201, a middle lower die moving mechanism linear bearing 204, a middle lower die moving mechanism linear shaft 206, a middle lower die moving mechanism synchronous mechanism 203, a middle lower die head mounting seat 205 and a middle lower die head 202;

the middle and lower die moving mechanism linear bearing 204 is fixed on the base 1, the middle and lower die moving mechanism linear shaft 206 is matched with the middle and lower die moving mechanism linear bearing 204, a middle and lower die head mounting seat 205 is fixed at the upper end of the middle and lower die moving mechanism linear shaft 206, and a middle and lower die head 202 is mounted on the upper side of the middle and lower die head mounting seat 205; the body of the middle lower die actuator 201 is fixed with the base 1, the movable end is connected with the middle lower die mounting seat 205, the middle lower die actuator 201, the middle lower die moving mechanism linear bearing 204, the middle lower die moving mechanism linear shaft 206 and the middle lower die moving mechanism synchronous mechanism 203 are distributed in a plurality of groups along the length direction, and the synchronous movement of the middle lower die moving mechanism synchronous mechanism 203 is kept. The mechanism may control the longitudinal reciprocation of the lower middle die 202.

The specific structure of the middle-lower die 202 is: the cross section is the rectangle, has the lower die head guide rail 207 of well lower die head mount pad 205 installation of being used for under with, right side lower corner screens boss 208, and the lower left corner has screens boss 214, and right side facade is right side guide surface 209, and left side facade is left side guide surface 213, has screens boss 211 directly over, and its height is the same with the thickness of blank, and screens boss 211 right side is right side blank and adds and hold face 210, and its left side is left side blank and adds and hold face 212. The right blank holding surface 210 and the left blank holding surface 212 have heating and cooling functions.

The lower left die moving mechanism 3 comprises a lower left die moving mechanism sliding rail 301, a lower left die moving mechanism sliding block 302, a lower left die head mounting seat 303, a lower left die head 306, a lower left die head aligning pin 305 and a lower left die head actuator 304; wherein the slide rail 301 is fixed on the base 1, the slide block 302 is matched with the slide rail 301, a lower left die head mounting seat 303 is fixed on the slide block, a lower left die head 306 is mounted on the upper side of the lower left die head mounting seat 303, a lower left die head alignment pin 305 is arranged on the left side, the body of the lower left die head actuator 304 is fixed with the base 1, and the movable end is connected with the lower left die head mounting seat 303. The slide rail 301, the slide block 302, the lower left die head alignment pin 305 and the lower left die head actuator 304 are distributed in a plurality of groups along the length direction of the device. The mechanism may control the lower left die 306 to reciprocate laterally.

The specific structure of the lower left die 306 is: the cross section is rectangular, and a lower left die head mounting guide rail 307 for being mounted with the lower left die head mounting seat 303 is arranged below; the lower left die right vertical plane 308, the upper right corner has the lower left die right corner fillet 309 that is the same as the blank fillet radius, and the lower left die upper blank is flattened 310.

The lower right die moving mechanism 4 comprises a lower right die moving mechanism sliding rail 401, a lower right die moving mechanism sliding block 402, a lower right die head mounting seat 403, a lower right die head 406, a lower right die head aligning pin 405 and a lower right die head actuator 404. Wherein the slide rail 401 is fixed on the base 1, the slide block 402 is matched with the slide rail 401, a right lower die head mounting seat 403 is fixed on the slide block, a right lower die head 406 is mounted on the upper side of the right lower die head mounting seat 403, a right lower die head alignment pin 405 is arranged on the right side, a body of a right lower die head actuator 404 is fixed with the base 1, and a movable end is connected with the left lower die head mounting seat 403. The lower right die moving mechanism sliding rail 401, the lower right die moving mechanism sliding block 402, the lower right die head aligning pin 405 and the lower right die head actuator 404 are distributed in a plurality of groups along the length direction of the equipment. The mechanism may control the lower right die 406 to reciprocate laterally.

The specific structure of the lower right die 406 is: the cross section is rectangular, and a right lower die head mounting guide rail 407 for being mounted with the right lower die head mounting seat 403 is arranged below; on the left side is a lower right die vertical plane 408, the upper left corner has a lower right die upper left corner fillet 409 of the same fillet radius as the blank, and the upper side is a lower right die blank holding plane 410.

The upper left die moving mechanism 5 includes an upper left die aligning pin 501, an upper left die moving mechanism transverse actuator 502, an upper left die moving mechanism synchronizing mechanism 503, an upper left die moving mechanism outer side linear bearing 504, an upper left die moving mechanism outer side linear shaft 505, an upper left die moving mechanism longitudinal actuator 506, an upper left die moving mechanism inner side linear shaft 507, an upper left die moving mechanism inner side linear bearing 508, an upper left die moving mechanism mounting plate 509, an upper left die moving mechanism transverse guide rail 510, an upper left die moving mechanism transverse slider 511, an upper left die head mounting seat 512, and an upper left die head 513.

Wherein the upper left die moving mechanism outer side linear bearing 504 and the upper left die moving mechanism inner side linear bearing 508 are fixed on the support arm 8, the upper left die moving mechanism outer side linear shaft 505 is matched with the upper left die moving mechanism outer side linear bearing 504, the upper left die moving mechanism inner side linear shaft 507 is matched with the upper left die moving mechanism inner side linear bearing 508, and the lower ends of the upper left die moving mechanism outer side linear shaft b505 and the upper left die moving mechanism inner side linear shaft 507 are connected on the upper left die moving mechanism mounting plate 509. The body of the upper left die moving mechanism longitudinal actuator 506 is fixed to the arm 8, and the movable end is connected to the upper left die moving mechanism mounting plate 509. The upper left die moving mechanism transverse guide rail 510 is fixed on the upper left die moving mechanism mounting plate 509, the upper left die moving mechanism transverse slide block 511 is matched with the upper left die moving mechanism transverse guide rail 510, and the upper left die head mounting seat 512 is fixed on the upper left die moving mechanism transverse slide block 511. An upper left die 513 is mounted on the lower side of the upper left die mount 512, and an upper left die alignment pin 501 is provided on the left side. The left upper die aligning pin 501, the transverse actuator 502, the outer linear bearing 504, the outer linear shaft 505, the longitudinal actuator 506 and the inner linear shaft 507, the inner linear bearing 508, the transverse guide rail 510 and the transverse slide block 511 are distributed in a plurality of groups along the length direction, and the synchronous motion is kept by the synchronous mechanism 503. The mechanism may control the upper left die 513 to reciprocate laterally and longitudinally.

The specific structure of the upper left die 513 is: the cross section is rectangular, and the lower part is provided with an upper left die blank holding surface 515, and the upper part is provided with an upper left die guide rail 514 for being installed with an upper left die mounting seat 512.

The middle-upper die moving mechanism 6 comprises a middle-upper die head 601, a middle-upper die head mounting seat 602, a middle-upper die moving mechanism cross beam 603, a middle-upper die moving mechanism linear bearing 604, a middle-upper die moving mechanism linear shaft 605, a middle-upper die moving mechanism rack 606, a middle-upper die moving mechanism gear set 607, a middle-upper die moving mechanism belt 608 and a middle-upper die moving mechanism driving motor 609.

Wherein the linear bearing 604 of the middle-upper die moving mechanism is fixed on the support arm 8, the linear shaft 605 of the middle-upper die moving mechanism is matched with the linear bearing 604 of the middle-upper die moving mechanism, and the lower end of the linear shaft 605 of the middle-upper die moving mechanism is connected to the cross beam 603 of the middle-upper die moving mechanism. The lower end of the middle-upper die moving mechanism rack 606 is connected to the middle-upper die moving mechanism cross beam 603, and the side surface of the middle-upper die moving mechanism rack is matched with the middle-upper die moving mechanism gear set 607. The middle-upper die moving mechanism driving motor 609 drives the middle-upper die moving mechanism gear set 607 through the middle-upper die moving mechanism belt 608 to drive the middle-upper die moving mechanism rack 606 to move up and down. The middle-upper die moving mechanism linear bearing 604, the middle-upper die moving mechanism linear shaft 605, the middle-upper die moving mechanism rack 606, the middle-upper die moving mechanism gear set 607, the middle-upper die moving mechanism belt 608, the middle-upper die moving mechanism driving motor 609 are distributed in a plurality of groups along the length direction of the equipment. The upper die 601 can be controlled to reciprocate longitudinally.

The specific structure of the middle-upper die head 601 is as follows: the cross section is rectangular, the left vertical surface 616 of the middle upper die head is a vertical plane, and the left lower round angle 615 of the middle upper die head; the right side elevation 614 of the upper middle die is a vertical plane, and the right lower round corner 613 of the upper middle die; an upper die head guide rail 611 for being installed with the die head installation seat is arranged on the upper side; the lower plane is the upper die holding surface 612 with heating and cooling functions.

The upper right die moving mechanism 7 includes an upper right die aligning pin 701, an upper right die moving mechanism lateral actuator 702, an upper right die moving mechanism synchronizing mechanism 703, an upper right die moving mechanism outer side linear bearing 704, an upper right die moving mechanism outer side linear shaft 705, an upper right die moving mechanism longitudinal actuator 706, an upper right die moving mechanism inner side linear shaft 707, an upper right die moving mechanism inner side linear bearing 708, an upper right die moving mechanism mounting plate 709, an upper right die moving mechanism lateral guide rail 710, an upper right die moving mechanism lateral slider 711, an upper right die head mounting seat 712, and an upper right die head 713.

Wherein the upper right die moving mechanism outer side linear bearing 704 and the upper right die moving mechanism inner side linear bearing 708 are fixed on the support arm 8, the upper right die moving mechanism outer side linear shaft 705 is matched with the upper right die moving mechanism outer side linear bearing 704, the upper right die moving mechanism inner side linear shaft 707 is matched with the upper right die moving mechanism inner side linear bearing 708, and the lower ends of the upper right die moving mechanism outer side linear shaft 705 and the upper right die moving mechanism inner side linear shaft 707 are connected on the upper right die moving mechanism mounting plate 709. The body of the upper right die moving mechanism longitudinal actuator 706 is fixed to the arm 8, and the movable end is connected to the upper right die moving mechanism mounting plate 709. The upper right die moving mechanism transverse guide rail 710 is fixed on the upper right die moving mechanism mounting plate 709, the upper right die moving mechanism transverse slide block 711 is matched with the upper right die moving mechanism transverse guide rail 710, and the upper right die head mounting seat 712 is fixed on the upper right die moving mechanism transverse slide block 711. An upper right die 713 is mounted on the lower side of the upper right die mount 712, and an upper right die alignment pin 701 is mounted on the right side. The upper right die aligning pin 701, the upper right die moving mechanism transverse actuator 702, the upper right die moving mechanism outer side linear bearing 704, the upper right die moving mechanism outer side linear shaft 705, the upper right die moving mechanism longitudinal actuator 706, the upper right die moving mechanism inner side linear shaft 707, the upper right die moving mechanism inner side linear bearing 708, the upper right die moving mechanism transverse guide rail 710 and the upper right die moving mechanism transverse sliding block 711 are distributed in a plurality of groups along the length direction, and the synchronous movement is kept by the upper right die moving mechanism synchronous mechanism 703. The mechanism can control the upper right die 713 to reciprocate laterally and longitudinally.

The specific structure of the upper right die 713 is: the cross section is rectangular, and at the bottom is an upper right die blank holding surface 715, and above it is an upper right die rail 714 for mounting with an upper right die mount 712.

The upper surfaces of the lower left die 306, lower right die and lower center die 202 are flush, the lower left die right vertical plane 308 conforms to the lower center die guide surface 213, and the lower right die left vertical plane 408 conforms to the lower center die guide surface 209. The upper left die 513 is located directly above the lower left die 306, the upper right die 713 is located directly above the lower right die 406, and the upper middle die 601 is located directly above the lower middle die 202.

The operating device completes the following shaping actions:

operation procedure 1: placing the left side planar blank 13a above the plane formed by the lower-center die blank holding plane 212 and the lower-left die blank holding plane 310; the right side planar blank 11a is placed above the plane formed by the lower center die blank holding plane 210 and the lower left die blank holding plane 410. As shown in fig. 9.

Operation procedure 2: the left upper die 513 moves downward to press the left side flat blank 13a against the left lower die blank holding flat 310; the upper right die 713 moves downward to press the right side flat blank 11a against the lower right die blank holding flat 410; the upper die 601 moves downward to make the clamping surface 612 thereon fit with the clamping boss 211 of the lower die. The upper clamping surface 612 of the upper die, the right blank clamping surface 210 and the left blank clamping surface 212 of the lower die are heated and insulated, the heating temperature is 50-120 ℃, and the insulation time is 1-120 minutes. As shown in fig. 10.

Operation procedure 3: after the heat preservation is finished, the upper die 601 and the lower die 202 synchronously move downwards slowly under the condition that the relative positions are kept unchanged, and the movement speed is 0.05 mm/s-1 mm/s, so that the plane blank is deformed into a Z shape. As shown in fig. 11.

Operation procedure 4: under the condition that the relative positions of the upper die 601 and the lower die 202 are kept unchanged, continuously synchronously and slowly moving downwards until the blank on the left side is completely moved out of the upper holding surface 612 of the upper die to form a L-shaped blank 13 on the left side, and the longitudinal flanging of the blank is clamped between the vertical plane 308 of the lower left die and the left vertical surface 616 of the upper die; the right blank is completely removed from the upper clamping surface 612 of the upper die to form a right L-shaped blank 11 with the longitudinal flange of the blank sandwiched between the right lower die vertical plane 408 and the right vertical surface 614 of the upper die. The upper die 601 and the lower die 202 are cooled to room temperature, and the left L-shaped blank 13 and the right L-shaped blank 11 are driven to be cooled to room temperature. As shown in fig. 12.

Operation procedure 5: the lower left die 306 and the upper left die 513 remain unchanged in relative position and move synchronously to the left; the lower right die 406 and the upper right die 713 remain unchanged in relative position and move rightward in synchronization; so that the left L-shaped blank 13 and the right L-shaped blank 11 are separated from the middle upper die 601. As shown in fig. 13.

Operation procedure 6: the upper die 601 moves upward so that the lower side plane is the upper surface of the holding surface 612 above the upper left die 513 and the upper right die 713. The lower middle die 202 moves downward such that the lower middle detent boss 211 at the upper end thereof is lower than the lower surfaces of the lower left die 306 and the lower right die 406. As shown in fig. 14.

Operation procedure 7: the lower left die 306 and the upper left die 513 remain unchanged in relative position and move synchronously to the right; the lower right die 406 and the upper right die 713 remain unchanged in relative position and move synchronously to the left; so that the longitudinal flange of the left-hand L-shaped blank 13 is fitted and tightened with the longitudinal flange of the right-hand L-shaped blank 11. As shown in fig. 15.

Operation procedure 8: the upper left die 513 is moved upward such that the upper left die blank holding surface 515 is away from the left side L-shaped blank 13 and the upper right die 713 is moved upward such that the upper right die blank holding surface 715 is away from the right side L-shaped blank 11. The filler core 14 is placed in the void formed by the fillet area. As shown in fig. 16.

Operation procedure 9: the upper left die 513 is moved to the left and the upper right die 713 is moved to the right so that they are moved away from under the upper middle die 601; the middle and lower die head 601 moves downwards and is pressed on the filling core 14 to heat and preserve heat, the heating temperature is 50-120 ℃, and the preserving time is 1-30 minutes. As shown in fig. 17.

Operation procedure 10: the lower-middle die 601 is lifted upward, away from the filler core 14 and peripheral area, and covers the bottom plate 12 over the lateral flange of the right-hand L-shaped blank, the lateral flange of the left-hand L-shaped blank, and the filler core. As shown in fig. 18.

Operation procedure 11: the middle and lower die head 601 moves downwards and is pressed on the bottom plate 12 to heat and preserve heat, the heating temperature is 50-120 ℃, the preserving heat time is 1-30 minutes, and then the temperature is reduced to room temperature. As shown in fig. 19.

Operation procedure 12: the lower middle die 601 is lifted upward and away from the bottom plate 12; the lower left die 306 moves 5mm to 10mm to the left and the lower right die 406 moves 5mm to 10mm to the right, removing the T-shaped composite stringer blank 20.

Claims (9)

1. A preforming apparatus for a stringer blank of a T-shaped composite material, comprising: the preforming equipment is distributed with a plurality of groups in the length direction of the equipment, and each group comprises a base (1), a support arm (8), a left lower die moving mechanism (3), a right lower die moving mechanism (4), a middle lower die moving mechanism (2), an upper left die moving mechanism (5), an upper right die moving mechanism (7) and an upper die moving mechanism (6); wherein the base (1) is of a platform structure, and the left lower die moving mechanism (3), the middle lower die moving mechanism (2) and the right lower die moving mechanism (4) are sequentially arranged from left to right; the concrete structure of the support arm (8) is an inverted L-shaped structure, the lower end of the support arm is fixed on the base (1), and the upper end of the support arm is provided with a left upper die moving mechanism (5), a right upper die moving mechanism (7) and an upper die moving mechanism (6).

2. The pre-forming apparatus of a T-shaped composite stringer blank of claim 1, wherein said lower-in-center die movement mechanism (2) comprises a lower-in-center die actuator (201), a lower-in-center die movement mechanism linear bearing (204), a lower-in-center die movement mechanism linear shaft (206), a lower-in-center die movement mechanism synchronizing mechanism (203), a lower-in-center die mount (205), a lower-in-center die (202); the middle and lower die moving mechanism linear bearing (204) is fixed on the base (1), the middle and lower die moving mechanism linear shaft (206) is matched with the middle and lower die moving mechanism linear bearing (204), a middle and lower die head mounting seat (205) is fixed at the upper end of the middle and lower die moving mechanism linear shaft (206), and a middle and lower die head (202) is mounted on the upper side of the middle and lower die head mounting seat (205); the body of the middle lower die actuator (201) is fixed with the base (1), the movable end is connected with a middle lower die head mounting seat (205), the middle lower die actuator (201), a middle lower die moving mechanism linear bearing (204), a middle lower die moving mechanism linear shaft (206) and a middle lower die moving mechanism synchronous mechanism (203) are distributed in a plurality of groups along the length direction, and the middle lower die moving mechanism synchronous mechanism (203) keeps synchronous motion.

3. The apparatus for preforming a T-shaped composite stringer blank according to claim 2, wherein the lower-middle die (202) has the following specific structure: the cross section is the rectangle, has well lower die head guide rail (207) that is used for with well lower die head mount pad (205) installation under, right side lower corner screens boss (208), left side lower corner screens boss (214), right side facade is right side guide surface (209), left side facade is left side guide surface (213), in clamping boss (211) directly over, its height is the same with the thickness of blank, clamping boss (211) right side is right side blank and adds holding surface (210) directly over, its left side is left side blank and adds holding surface (212).

4. The apparatus for preforming a T-shaped composite stringer blank according to claim 2, wherein said lower left die movement mechanism (3) comprises a lower left die movement mechanism slide rail (301), a lower left die movement mechanism slide block (302), a lower left die mount (303), a lower left die (306), a lower left die alignment pin (305), a lower left die actuator (304); the slide rail (301) is fixed on the base (1), the slide block (302) is matched with the slide rail (301), a left lower die head mounting seat (303) is fixed on the slide block, a left lower die head (306) is mounted on the upper side of the left lower die head mounting seat (303), a left lower die head alignment pin (305) is arranged on the left side, a body of a left lower die head actuator (304) is fixed with the base (1), and a movable end is connected with the left lower die head mounting seat (303); the specific structure of the lower left die head (306) is as follows: the cross section is rectangular, and a lower left die head mounting guide rail (307) for being mounted with a lower left die head mounting seat (303) is arranged below the lower left die head mounting guide rail; the right vertical plane (308) of the lower left die head, the right upper corner of the lower left die head is provided with a right upper corner fillet (309) of the lower left die head, and the blank on the upper side of the lower left die head is provided with a holding plane (310).

5. The apparatus for preforming a T-shaped composite stringer blank according to claim 4, wherein said lower right die movement mechanism (4) comprises a lower right die movement mechanism slide (401), a lower right die movement mechanism slide (402), a lower right die mount (403), a lower right die (406), a lower right die alignment pin (405), a lower right die actuator (404); the right lower die moving mechanism sliding rail (401) is fixed on the base (1), the right lower die moving mechanism sliding block (402) is matched with the right lower die moving mechanism sliding rail (401), a right lower die head mounting seat (403) is fixed on the right lower die moving mechanism sliding rail (401), a right lower die head (406) is mounted on the upper side of the right lower die head mounting seat (403), a right lower die head alignment pin (405) is arranged on the right side, the body of the right lower die head actuator (404) is fixed with the base (1), and the movable end is connected with the right lower die head mounting seat (403); the specific structure of the lower right die head (406) is as follows: the cross section is rectangular, and a lower right die head mounting guide rail (407) for being mounted with a lower right die head mounting seat (403) is arranged below the lower right die head mounting guide rail; the left side is the vertical plane (408) of the lower right die head, the upper left corner is provided with the upper left corner fillet (409) of the lower right die head with the same fillet radius as the blank, and the upper side is the holding plane (410) of the lower right die head blank.

6. The pre-forming apparatus of a T-shaped composite stringer blank of claim 5, wherein said upper left die movement mechanism (5) comprises an upper left die alignment pin (501), an upper left die movement mechanism transverse actuator (502), an upper left die movement mechanism synchronization mechanism (503), an upper left die movement mechanism outside linear bearing (504), an upper left die movement mechanism outside linear shaft (505), an upper left die movement mechanism longitudinal actuator (506), an upper left die movement mechanism inside linear shaft (507), an upper left die movement mechanism inside linear bearing (508), an upper left die movement mechanism mounting plate (509), an upper left die movement mechanism transverse guide (510), an upper left die movement mechanism transverse slider (511), an upper left die mount (512), an upper left die (513); the left upper die moving mechanism outer side linear bearing (504) and the left upper die moving mechanism inner side linear bearing (508) are fixed on the support arm (8), the left upper die moving mechanism outer side linear shaft (505) is matched with the left upper die moving mechanism outer side linear bearing (504), the left upper die moving mechanism inner side linear shaft (507) is matched with the left upper die moving mechanism inner side linear bearing (508), and the lower ends of the left upper die moving mechanism outer side linear shaft (505) and the left upper die moving mechanism inner side linear shaft (507) are connected to the left upper die moving mechanism mounting plate (509); the body of the upper left die moving mechanism longitudinal actuator (506) is fixed with the support arm (8), and the movable end is connected with the upper left die moving mechanism mounting plate (509); the left upper die moving mechanism transverse guide rail (510) is fixed on the left upper die moving mechanism mounting plate (509), the left upper die moving mechanism transverse slide block (511) is matched with the left upper die moving mechanism transverse guide rail (510), and the left upper die head mounting seat (512) is fixed on the left upper die moving mechanism transverse slide block (511); the upper left die head (513) has the specific structure that: the cross section is rectangular, the lower part is provided with an upper left die blank holding surface (515), and the upper part is provided with an upper left die guide rail (514) for being installed with an upper left die installation seat (512).

7. The pre-forming apparatus of a T-shaped composite stringer blank of claim 6, wherein the upper middle die movement mechanism (6) comprises an upper middle die head (601), an upper middle die head mount (602), an upper middle die movement mechanism cross beam (603), an upper middle die movement mechanism linear bearing (604), an upper middle die movement mechanism linear shaft (605), an upper middle die movement mechanism rack (606), an upper middle die movement mechanism gear set (607), an upper middle die movement mechanism belt (608), an upper middle die movement mechanism drive motor (609); the middle-upper die moving mechanism linear bearing (604) is fixed on the support arm (8), the middle-upper die moving mechanism linear shaft (605) is matched with the middle-upper die moving mechanism linear bearing (604), and the lower end of the middle-upper die moving mechanism linear shaft (605) is connected to the middle-upper die moving mechanism cross beam (603); the lower end of the middle-upper die moving mechanism rack (606) is connected onto the middle-upper die moving mechanism cross beam (603), and the side surface of the middle-upper die moving mechanism rack is matched with the middle-upper die moving mechanism gear set (607); the middle-upper die moving mechanism driving motor (609) drives the middle-upper die moving mechanism gear set (607) through the middle-upper die moving mechanism belt (608) to drive the middle-upper die moving mechanism rack (606) to move up and down; an upper middle die moving mechanism linear bearing (604), an upper middle die moving mechanism linear shaft (605), an upper middle die moving mechanism rack (606), an upper middle die moving mechanism gear set (607), an upper middle die moving mechanism belt (608), and an upper middle die moving mechanism driving motor (609) are distributed in multiple groups along the length direction of the equipment; the concrete structure of the middle-upper die head (601) is as follows: the cross section is rectangular, the left vertical face (616) of the upper middle die head is a vertical plane, and the left and lower round corners (615) of the upper middle die head are provided with a round corner; the right vertical face (614) of the middle upper die head is a vertical plane, and the right lower round angle (613) of the middle upper die head; an upper die head guide rail (611) for being installed with the die head installation seat is arranged on the upper side; the lower plane is the upper die holding surface (612).

8. The pre-forming apparatus of a T-shaped composite stringer blank of claim 7, wherein the upper right die movement mechanism (7) comprises an upper right die alignment pin (701), an upper right die movement mechanism transverse actuator (702), an upper right die movement mechanism synchronization mechanism (703), an upper right die movement mechanism outer linear bearing (704), an upper right die movement mechanism outer linear shaft (705), an upper right die movement mechanism longitudinal actuator (706), an upper right die movement mechanism inner linear shaft (707), an upper right die movement mechanism inner linear bearing (708), an upper right die movement mechanism mounting plate (709), an upper right die movement mechanism transverse guide (710), an upper right die movement mechanism transverse slider (711), an upper right die head mount (712), and an upper right die head (713); the right upper die moving mechanism outer side linear bearing (704) and the right upper die moving mechanism inner side linear bearing (708) are fixed on the support arm (8), the right upper die moving mechanism outer side linear shaft (705) is matched with the right upper die moving mechanism outer side linear bearing (704), the right upper die moving mechanism inner side linear shaft (707) is matched with the right upper die moving mechanism inner side linear bearing (708), and the lower ends of the right upper die moving mechanism outer side linear shaft (705) and the right upper die moving mechanism inner side linear shaft (707) are connected to the right upper die moving mechanism mounting plate (709); the body of the upper right die movement mechanism longitudinal actuator (706) is fixed with the support arm (8), and the movable end is connected with the upper right die movement mechanism mounting plate (709); the right upper die moving mechanism transverse guide rail (710) is fixed on the right upper die moving mechanism mounting plate (709), the right upper die moving mechanism transverse slide block (711) is matched with the right upper die moving mechanism transverse guide rail (710), and a right upper die head mounting seat (712) is fixed on the right upper die moving mechanism transverse slide block (711); an upper right die head (713) is arranged at the lower side of the upper right die head mounting seat (712), and an upper right die alignment pin (701) is arranged at the right side; the specific structure of the right upper die head (713) is as follows: the cross section is rectangular, the lower part is a right upper die blank holding surface (715), and the upper part is provided with a right upper die guide rail (714) for being installed with a right upper die mounting seat (712).

9. The apparatus for preforming a T-shaped composite stringer blank according to claim 8, wherein said lower left die (306), lower right die and lower middle die (202) are flush with the upper surface, the right vertical plane (308) of the lower left die is in contact with the guide surface (213) of the lower middle die, the lower right vertical plane (408) is in contact with the guide surface (209) of the lower middle die, the upper left die (513) is located directly above the lower left die (306), the upper right die (713) is located directly above the lower right die (406), and the upper middle die (601) is located directly above the lower middle die (202).