Double-sliding-block side pushing forming mechanism of progressive die

Abstract

The utility model discloses a double-sliding-block side pushing forming mechanism of a progressive die. Wherein the female die base part, the male die wear-resisting plate and the female die moving part wear-resisting plate are all fixed with the base plate; the two ends of the male die nitrogen cylinder are hinged to the base plate and the male die correspondingly. The two ends of the female die moving part nitrogen cylinder are hinged to the base plate and the female die moving part correspondingly. The male die driving inclined wedge is fixed to a punching machine and makes contact with a second inclined face at one end of the male die through a first inclined face. The female die moving part driving inclined wedge is fixed to a punching machine and makes contact with a fourth inclined face at one end of the female die moving part through a third inclined face. According to the long-distance side forming die, the double-sliding-block inclined wedges are used for driving part of the female die and part of the male die respectively, the appearance of a product is changed through long-distance opposite movement of the female die and the male die, and the problem that long-distance side forming of a long and thin U-shaped stamping part is difficult in material returning in progressive die production is solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of punch forming equipment, specifically to a double-sliding-block side pushing forming mechanism of a progressive die. BACKGROUND

[0002] The safety belt guide support of an automobile is stamped by using a progressive die continuous production mode, and there are 22 working steps; the product is of an elongated U-shaped structure, needs a long distance side pushing forming, and also needs to meet the overall material removal of the progressive die.

[0003] However, in the prior art, the progressive die is a plurality of stamping processes, which are usually realized in a complete set of molds, and the elongated U-shaped product with a complex shape needs long distance movement of the concave mold and the convex mold during forming, and the feeding and material removal processes are relatively cumbersome, which seriously affects the processing speed. UTILITY MODEL CONTENTS

[0004] In view of the problems in the background art, the utility model provides a double-sliding-block side pushing forming mechanism of a progressive die, and the technical scheme comprises: a base plate, a convex mold, a convex mold nitrogen cylinder, a convex mold wear plate, a convex mold driving wedge, a concave mold moving part, a concave mold moving part nitrogen cylinder, a concave mold moving part wear plate, a concave mold moving part driving wedge, and a concave mold base part, wherein the concave mold base part, the convex mold wear plate, and the concave mold moving part wear plate are fixed with the base plate; one end of the convex mold nitrogen cylinder is hinged to the base plate, the other end of the convex mold nitrogen cylinder is hinged to the convex mold, and the convex mold slides on the convex mold wear plate; one end of the concave mold moving part nitrogen cylinder is hinged to the base plate, the other end of the concave mold moving part nitrogen cylinder is hinged to the concave mold moving part, and the concave mold moving part slides on the concave mold moving part wear plate.

[0005] The convex mold driving wedge is fixed with the punch, and the convex mold driving wedge is in contact with the second slope of one end of the convex mold through the first slope, so as to move towards the concave mold moving part when the convex mold driving wedge moves downward with the punch.

[0006] The concave mold moving part driving wedge is fixed with the punch, and the concave mold moving part driving wedge is in contact with the fourth slope of one end of the concave mold moving part through the third slope, so as to move towards the convex mold when the concave mold moving part driving wedge moves downward with the punch.

[0007] The concave mold moving part and the concave mold base part form a concave mold, and the space surrounded by the concave mold and the convex mold is in the shape of an elongated U-shaped stamping part.

[0008] The convex mold is provided with a convex mold track protection block on both sides for protecting the convex mold, and the convex mold track protection block is fixed with the base plate by bolts.

[0009] The included angles of the first slope and the second slope, and the third slope and the fourth slope are all 45°.

[0010] The concave die moving part is provided with a concave die operation track protection block on both sides for protecting the concave die moving part, and the concave die operation track protection block is fixed to the base plate through bolts.

[0011] The utility model discloses beneficial effect lies in: using double slider wedge to drive partial concave die and male die respectively, the appearance of product is changed through long distance of concave die and male die moving to each other, thereby solve the problem of difficult material return of long distance side forming of slender U type stamping part in progressive die production, realize the product process requirement. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is structure schematic diagram of an embodiment of the utility model a progressive die double slider side push forming mechanism;

[0013] Figure 2 It is structure schematic diagram of the utility model embodiment omitting the nitrogen cylinder of concave die moving part;

[0014] Figure 3 It is structure schematic diagram of the utility model embodiment working and omitting two wedges.

[0015] In the drawing: 1-base plate, 21-male die, 211-second inclined surface, 212-stamping part structure containing space, 22-male die nitrogen cylinder, 23-male die wear plate, 24-male die driving wedge, 241-first inclined surface, 25-male die operation track protection block, 31-concave die moving part, 311-fourth inclined surface, 32-concave die moving part nitrogen cylinder, 33-concave die moving part wear plate, 34-concave die moving part driving wedge, 341-third inclined surface, 35-concave die operation track protection block, 4-concave die base part, 5-elongated U-shaped product to be processed. DETAILED DESCRIPTION

[0016] The utility model will be further explained in detail in connection with the drawings.

[0017] As Figure 1 And Figure 2 The embodiment shown in the drawing includes: base plate 1, male die 21, male die nitrogen cylinder 22, male die wear plate 23, male die driving wedge 24, concave die moving part 31, concave die moving part nitrogen cylinder 32, concave die moving part wear plate 33, concave die moving part driving wedge 34 and concave die base part 4, wherein concave die base part 4, male die wear plate 23 and concave die moving part wear plate 33 are fixed with base plate 1;One end of male die nitrogen cylinder 22 is hinged to base plate 1, and the other end of male die nitrogen cylinder 22 is hinged to male die 21, and male die 21 slides on male die wear plate 23;One end of concave die moving part nitrogen cylinder 32 is hinged to base plate 1, and the other end of concave die moving part nitrogen cylinder 32 is hinged to concave die moving part 31, and concave die moving part 31 slides on concave die moving part wear plate 33;

[0018] The male die active wedge 24 is fixed with the punch (the upper slide of the stamping machine), and the male die active wedge 24 is in contact with the second inclined surface 211 at one end of the male die 21 through the first inclined surface 241, so as to move towards the female die moving part when the male die active wedge 24 moves downwards along with the stamping machine;

[0019] The female die moving part active wedge 34 is fixed with the punch (the upper slide of the stamping machine), and the female die moving part active wedge 34 is in contact with the fourth inclined surface 311 at one end of the female die moving part 31 through the third inclined surface 341, so as to move towards the male die 21 when the female die moving part active wedge 34 moves downwards along with the stamping machine.

[0020] The female die moving part 31 and the male die 21 moving towards each other to the end, and the space surrounded by the female die base part 4 below is in the shape of an elongated U-shaped stamping part forming; wherein the female die moving part 31 above and the female die base part 4 below jointly constitute the profile of the female die; and the top of the male die 21 is provided with a stamping part structure containing space 212 containing the structure of the upper structure of the elongated U-shaped stamping part after stamping;

[0021] In this embodiment, the male die 21 is provided with a male die moving track protection block 25 on both sides for protecting the male die 21, and the male die moving track protection block 25 is fixed with the base plate 1 by bolts;

[0022] In this embodiment, the female die moving part 31 is provided with a female die moving track protection block 35 on both sides for protecting the female die moving part 31, and the female die moving track protection block 35 is fixed with the base plate 1 by bolts;

[0023] In this embodiment, the included angles of the first inclined surface 241 and the second inclined surface 211, and the third inclined surface 341 and the fourth inclined surface 311 are all 45°.

[0024] The working process of this embodiment is as follows:

[0025] When the elongated U-shaped product 5 to be processed moves to the female die base part 4 directly above, the male die 21 and the female die moving part 31 move towards each other at the same time, wherein the male die active wedge 24 moves downwards under the drive of the punch, the first inclined surface 241 extrudes the second inclined surface 211, the male die 21 moves above the male die wear-resistant plate 23 along the track in the middle of the two male die moving track protection blocks 25, and the male die nitrogen cylinder 22 is also gradually compressed; at the same time, the female die moving part active wedge 34 moves downwards under the drive of the punch, the third inclined surface 341 extrudes the fourth inclined surface 311, the female die moving part 31 moves above the female die moving part wear-resistant plate 33 along the track in the middle of the female die moving track protection block 35, and the female die moving part nitrogen cylinder 32 is also gradually compressed;

[0026] With the simultaneous movement of the male die 21 and the female die moving part 31, the two sides of the elongated U-shaped product to be processed are extruded at the same time, and gradually deformed;

[0027] When the movement of the punch 21 and the recessed die moving part 31 reaches the end, the recessed die moving part 31, the punch 21 and the recessed die base part 4 punch the elongated U-shaped stamping part into the shape of the space surrounded;

[0028] Finally, the upper slide of the final press moves upward, and the punch driving wedge 24 and the recessed die moving part driving wedge 34 move upward together; the punch 21 and the recessed die moving part 31 move reversely at the same time under the drive of the punch nitrogen cylinder 22 and the recessed die moving part nitrogen cylinder 32 until they stop, completing the material withdrawal; the punch 21 and the recessed die moving part 31 are both waiting for the next elongated U-shaped product to be moved to the top of the recessed die base part 4;

[0029] In the working process of the embodiment, the double-slide side-pushing forming mechanism is used to realize the smoothness of the process before and after the elongated U-shaped product is formed by a progressive die, complete the overall feeding requirement of the progressive die, and finally realize the process requirement of the product.

Claims

1. A double slide side thrust forming mechanism of a progressive die, characterized by, The application relates to a punch and die assembly for forming an elongated U-shaped stamping part, which comprises a base plate (1), a punch (21), a punch nitrogen cylinder (22), a punch wear plate (23), a punch driving wedge (24), a die moving part (31), a die moving part nitrogen cylinder (32), a die moving part wear plate (33), a die moving part driving wedge (34) and a die base part (4), wherein the die base part (4), the punch wear plate (23) and the die moving part wear plate (33) are fixed to the base plate (1); one end of the punch nitrogen cylinder (22) is hinged to the base plate (1), and the other end of the punch nitrogen cylinder (22) is hinged to the punch (21), and the punch (21) slides on the punch wear plate (23); one end of the die moving part nitrogen cylinder (32) is hinged to the base plate (1), and the other end of the die moving part nitrogen cylinder (32) is hinged to the die moving part (31), and the die moving part (31) slides on the die moving part wear plate (33); the punch driving wedge (24) is fixed to a punch press, and the punch driving wedge (24) is in contact with a second inclined surface (211) at one end of the punch (21) through a first inclined surface (241), so that the punch driving wedge (24) moves towards the die moving part when the punch driving wedge (24) moves downwards along with the punch press; the die moving part driving wedge (34) is fixed to a punch press, and the die moving part driving wedge (34) is in contact with a fourth inclined surface (311) at one end of the die moving part (31) through a third inclined surface (341), so that the die moving part driving wedge (34) moves towards the punch (21) when the die moving part driving wedge (34) moves downwards along with the punch press. The die moving part (31) and the die base part (4) constitute a die, and a space surrounded by the die and the punch (21) is in the shape of the elongated U-shaped stamping part. The punch (21) is provided with punch track protection blocks (25) on both sides of the punch (21) for protecting the punch (21), and the punch track protection blocks (25) are fixed to the base plate (1) through bolts. The first inclined surface (241) and the second inclined surface (211) and the third inclined surface (341) and the fourth inclined surface (311) are all 45 degrees. The die moving part (31) is provided with die track protection blocks (35) on both sides of the die moving part (31) for protecting the die moving part (31), and the die track protection blocks (35) are fixed to the base plate (1) through bolts.

2. The double slide side thrust forming mechanism of a progressive die according to claim 1, wherein ​ 3. A double slide side thrust forming mechanism of a progressive die according to claim 1 or 2, wherein ​ 4. The double slide side thrust forming mechanism of a progressive die according to claim 1, wherein ​ 5. The double slide side thrust forming mechanism of a progressive die according to claim 1 or 2, wherein ​

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