CN217647253U

CN217647253U - Punch forming mechanism

Info

Publication number: CN217647253U
Application number: CN202123355681.8U
Authority: CN
Inventors: 周宏超; 夏文良; 徐文龙; 祝维刚; 林委峰
Original assignee: Ningbo Xintai Machinery Co Ltd
Current assignee: Ningbo Xintai Machinery Co Ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-10-25
Anticipated expiration: 2031-12-29

Abstract

The utility model provides a stamping forming mechanism belongs to mould processing technology field, include: a first shaping knife block provided with a first wedge head for extending into a workpiece cavity; a second shaping knife block, which is provided with a second wedge head for shaping a workpiece, and when the first shaping knife block drives the first wedge head to extend into a cavity of the workpiece, the second shaping knife block drives the second wedge head to move towards the first wedge head to one side so as to shape the workpiece. The utility model has the advantages that: but the molding of two plastic sword pieces one shot forming work pieces, first head of building to one side can stretch into the work piece cavity and with the medial surface butt of work piece, thereby the second is built the head to one side and can be with the lateral surface butt plastic work piece of work piece, but one shot forming guarantees the figurative stability of processing product.

Description

Punch forming mechanism

Technical Field

The utility model belongs to the technical field of the mould processing, a stamping forming mechanism is related to.

Background

The pillar between the front and rear doors of the car is called a center pillar or B pillar, the existing car center pillar is generally composed of an inner panel and an outer panel, and the car center pillar inner panel is generally composed of an inner panel body and a doorsill support plate which is fixed on one end of the inner panel body and is of an integrated structure with the inner panel body.

For example, a chinese patent with application number 201220567526.4 discloses a car center pillar inner panel structure, including center pillar inner panel plate body, the one end of center pillar inner panel plate body is the stiff end that can link firmly mutually with car roof beam, and the other end of center pillar inner panel plate body is equipped with the threshold backup pad, and the threshold backup pad is split type structure with center pillar inner panel plate body, and threshold backup pad and center pillar inner panel plate body reciprocal anchorage.

The molding of car center pillar inner panel tip is very complicated, has multi-direction profile negative angle, and the tip saw cuts back and the seamless welding of roll extrusion upper slitter, and the profile molding must coincide completely with the upper slitter profile, does not allow to have the segment difference, and the required precision is high, need to guarantee product molding stability among the volume production process.

The conventional die structure is realized by rotating a part for multiple times by stamping angles and adding die processes, the existing die has multiple processes, is difficult to take and place parts and has poor production stability, in the prior art, the die structure with multiple times of rotating stamping angles is adopted for realizing, a plurality of sets of dies are arranged in total, a plurality of stamping machines and more than ten operators are required for complete online production during production, and the production cost is high; the positioning of the working procedure piece is unstable, the human factors in the production and turnover processes are too many, the product scrap cost is higher, and the method has larger improvement space.

Disclosure of Invention

The utility model aims at the above-mentioned problem that prior art exists, provide a stamping forming mechanism.

The purpose of the utility model can be realized by the following technical proposal: a punch forming mechanism comprising:

a first shaping knife block provided with a first wedge head for extending into a workpiece cavity;

a second truing knife block provided with a second inclined wedge head for a truing workpiece, when the first truing knife block drives the first inclined wedge head to extend into a cavity of the workpiece the second truing knife block drives the second inclined wedge head towards the first inclined wedge head for movement thereby truing the workpiece.

Preferably, the system further comprises a workbench, the workbench is provided with a lower die insert for positioning a workpiece, and the first wedge head and the second wedge head are both aligned with the lower die insert.

Preferably, the first shaping cutter block is provided with a first sliding block, the first sliding block is movably connected with the workbench, the second shaping cutter block is provided with a second sliding block, and the second sliding block is movably connected with the workbench.

Preferably, the device further comprises a first driving block and a second driving block, the first driving block is connected with the workbench in a liftable manner, the first sliding block is connected with the first driving block in a linkage manner, the first driving block can drive the first sliding block to move, the second driving block is connected with the workbench in a liftable manner, the second sliding block is connected with the second driving block in a linkage manner, and the second driving block can drive the second sliding block to move.

Preferably, the first slider has a first driven inclined surface, the first driving block has a first driving inclined surface corresponding to the first driven inclined surface, the first driving inclined surface may be in interference connection with the first driven inclined surface, the second slider has a second driven inclined surface, the second driving block has a second driving inclined surface corresponding to the second driven inclined surface, and the second driving inclined surface may be in interference connection with the second driven inclined surface.

Preferably, the second truing blade is arranged perpendicular to the first truing blade and the second wedge head is adapted to the shape of the first wedge head.

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

1. through the molding of two plastic sword pieces but one shot forming work piece, first head of building to one side can stretch into the work piece cavity and with the medial surface butt of work piece, thereby the second head of building to one side can be with the lateral surface butt plastic work piece of work piece, and this kind of simple structure can one shot forming and guarantee the figurative stability of processing product.

2. The workbench is used for mounting other parts, the structure of the end part of the inner plate of the automobile center pillar is complex, the clamping is not good, the workpiece is easily damaged by improper clamping, the workpiece is positioned by the lower die insert, and the shape of the lower die insert is matched with the workpiece.

3. First plastic sword piece is connected with the workstation through first slider is movably and second plastic sword piece is connected with the workstation through second slider is movably for machining error in the control course of working can reach the high accuracy requirement.

4. The lifting of the first driving block relative to the workbench can be converted into the movement of the first sliding block along the horizontal direction of the workbench, and the force transmission is ensured in the action transmission process, so that the movement process of the first sliding block is well controlled.

5. The second driving block can be converted into the second sliding block to move along the horizontal direction of the workbench through lifting relative to the workbench, and force transmission is guaranteed in the action transmission process, so that the movement process of the second sliding block is well controlled.

6. The shape of the head end for a second wedge is adapted to the shape of the head side portion for a first wedge, and when the second shaping knife block moves towards the first shaping knife block, the head end for a second wedge and the head side portion for a first wedge are respectively connected with the outer side face and the inner side face of the workpiece in a butting manner.

Drawings

Fig. 1 is a schematic structural diagram of a workpiece according to the present invention.

FIG. 2 isbase:Sub>A view showing the effect of processing on the section A-A in FIG. 1.

Fig. 3 is a schematic diagram of the state of the workpiece to be placed in the mold according to the present invention.

Fig. 4 is a schematic diagram of a state of the workpiece being placed in the mold according to the present invention.

Fig. 5 is an enlarged view of a portion B of fig. 4.

Fig. 6 is a schematic view of another view angle of the workpiece in the mold.

Fig. 7 is a schematic view of the state of the mold being completely closed according to the present invention.

Fig. 8 is a schematic view of another view of the fully closed state of the mold according to the present invention.

Fig. 9 is a schematic structural diagram of the initial state of the present invention.

Fig. 10 is an enlarged view of a portion C of fig. 9.

Fig. 11 is a schematic structural view of the in-place state of the first shaping knife block of the present invention.

Fig. 12 is an enlarged view of a portion D of fig. 11.

Fig. 13 is a schematic structural view of the second shaping knife block of the present invention in place.

Fig. 14 is an enlarged view of a portion E of fig. 13.

Fig. 15 is a schematic structural view of the second shaping cutter block of the present invention in a retracted state.

Fig. 16 is an enlarged view of a portion F of fig. 15.

Fig. 17 is a schematic structural view of the first shaping cutter block of the present invention in a state of being retracted in place.

Fig. 18 is an enlarged view of a portion G of fig. 17.

In the figure, 100, a first truing cutter block; 110. a first wedge head; 200. a second shaping cutter block; 210. a second wedge head; 300. a work table; 310. a lower die insert; 400. a first slider; 410. a first driven ramp; 500. a second slider; 510. a second driven ramp; 600. a first driving block; 610. a first drive ramp; 700. a second driving block; 710. a second drive ramp; 800. and (5) a workpiece.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

It should be noted that all the directional indicators (such as up, down, left, right, front, back, 8230; \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

Furthermore, the descriptions in the present application as to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

As shown in fig. 1 to 18, a press forming mechanism for press forming a workpiece or a product, which can be used for press forming a pillar inner panel for an automobile, includes: the wedge device comprises a first shaping cutter block 100 and a second shaping cutter block 200, wherein the first shaping cutter block 100 is provided with a first wedge head 110 which is used for extending into a cavity of a workpiece 800; a second truing knife block 200 is provided with a second wedge head 210 for truing work piece 800, when the first truing knife block 100 drives the first wedge head 110 to extend into a cavity of work piece 800 the second truing knife block 200 drives the second wedge head 210 to move towards the first wedge head 110 thereby truing work piece 800.

Specifically, first plastic sword piece 100 and second plastic sword piece 200 are two sword pieces that shape and function are all completely different, and first wedge head 110 that first plastic sword piece 100 set up can stretch into work piece 800 cavity and with the medial surface butt of work piece 800, thereby first wedge head 210 that second plastic sword piece 200 set up can with the lateral surface butt of work piece 800 plastic work piece 800, lack any plastic sword piece and can't realize foretell effect.

In this embodiment, through the molding that two plastic sword pieces can one shot forming work piece, first wedge head 110 can stretch into work piece 800 cavity and with the medial surface butt of work piece 800, thereby first wedge head 210 can with the lateral surface butt of work piece 800 plastic work piece 800 to one side, and this kind of simple structure can one shot forming and guarantee the figurative stability of processing product.

As shown in fig. 5-9, in addition to the above embodiment, the wedge block assembly further includes a workbench 300, wherein the workbench 300 is provided with a lower die insert 310 for positioning a workpiece 800, and the first wedge head 110 and the second wedge head 210 are aligned with the lower die insert 310.

In the present embodiment, the table 300 is used for mounting other components, the structure of the end portion of the pillar inner panel of the automobile is complicated, clamping is not good, improper clamping easily damages the workpiece 800, the workpiece 800 is positioned by the lower die insert 310, and the shape of the lower die insert 310 is adapted to the workpiece 800.

As shown in fig. 5 to 9, in the above embodiment, the first truing blade block 100 is provided with a first slider 400, the first slider 400 is movably connected to the work table 300, and the second truing blade block 200 is provided with a second slider 500, and the second slider 500 is movably connected to the work table 300.

Specifically, the workbench 300 is further provided with two slide rails, the first slider 400 is movably connected with one slide rail, the first slider 400 is connected with the workbench 300 through the first slide rail so that the first slide rail can guide the first slider 400 to move, the second slider 500 is movably connected with the other slide rail, and the second slider 500 is connected with the workbench 300 through the second slide rail so that the second slide rail can guide the second slider 500 to move.

In the present embodiment, the first truing cutter block 100 is movably coupled to the table 300 by the first slider 400 and the second truing cutter block 200 is movably coupled to the table 300 by the second slider 500, so that a machining error in a machining process is controlled, so that a machined product can meet a high precision requirement.

As shown in fig. 3, 4, 6-9, in addition to the above embodiment, the present invention further includes a first driving block 600, the first driving block 600 is connected to the table 300 in a liftable manner, the first slider 400 is linked to the first driving block 600, and the first driving block 600 can drive the first slider 400 to move.

Specifically, the first slider 400 has a first driven inclined surface 410, the first driving block 600 has a first driving inclined surface 610 corresponding to the first driven inclined surface 410, the first driven inclined surface 410 may be connected to the first driving inclined surface 610, and the first driving block 600 may push the first slider 400 to move through the first driving inclined surface 610 and the first driven inclined surface 410.

In this embodiment, the elevation of the first driving block 600 with respect to the table 300 may be converted into the movement of the first slider 400 in the horizontal direction of the table 300, and the transmission of force is ensured during the motion transmission, thereby controlling the motion process of the first slider 400 well.

As shown in fig. 3, 4, 6-9, in addition to the above embodiment, the present invention further includes a second driving block 700, the second driving block 700 is connected to the table 300 in a liftable manner, the second slider 500 is linked to the second driving block 700, and the second driving block 700 can drive the second slider 500 to move.

Specifically, the second slider 500 has a second driven slope 510, the second driving block 700 has a second driving slope 710 corresponding to the second driven slope 510, the second driven slope 510 can be connected to the second driving slope 710, and the second driving block 700 can push the second slider 500 to move through the second driving slope 710 and the second driven slope 510.

In this embodiment, the elevation of the second driving block 700 with respect to the table 300 is converted into the movement of the second slider 500 in the horizontal direction of the table 300, and the transmission of force is ensured during the motion transmission, thereby controlling the motion process of the second slider 500 well.

As shown in fig. 3, 4, 6-9, in the above embodiment, the second truing blade 200 is perpendicular to the first truing blade 100, and the second wedge block 210 is adapted to the shape of the first wedge block 110.

In this embodiment, the second clipper block 200 is vertically installed to the first clipper block 100, and the end of the second wedge head 210 has a shape corresponding to the shape of the side of the first wedge head 110, and when the second clipper block 200 moves toward the first clipper block 100, the end of the second wedge head 210 and the side of the first wedge head 110 are respectively butted against and connected to the outer side and the inner side of the workpiece 800.

As shown in fig. 1 to 18, in terms of the general working principle, firstly, the workpiece 800 is placed in a die, and the workpiece 800 is positioned by the lower die insert 310, so that the workpiece 800 is accurately positioned at a processing position, and the workpiece 800 is prevented from slipping;

then the first driving block 600 moves towards the workbench 300 and drives the first sliding block 400 to move along the workbench 300, so that the first shaping knife block 100 drives the first wedge head 110 to extend into the cavity of the workpiece 800;

then the second driving block 700 moves towards the workbench 300 and drives the second slider 500 to move along the workbench 300, so that the second truing knife block 200 drives the second wedge head 210 to move towards the first wedge head 110 so as to tru the workpiece 800;

then the second driving block 700 is far away from the workbench 300 and the second slider 500 is retracted along the workbench 300, so that the second shaping knife block 200 drives the second wedge head 210 to leave the workpiece 800;

then the first driving block 600 is far away from the workbench 300 and the first slider 400 is retracted along the workbench 300, so that the first wedge block 100 drives the first wedge head 110 to leave the workpiece 800 to complete the processing.

Claims

1. A punch forming mechanism, comprising:

2. The punch forming mechanism according to claim 1, wherein: still include the workstation, the workstation is provided with the lower mould that is used for fixing the work piece and inserts, first oblique head and the second is oblique the head and is all aimed at the lower mould is inserted.

3. The press forming mechanism according to claim 2, wherein: the first shaping cutter block is provided with a first sliding block, the first sliding block is movably connected with the workbench, the second shaping cutter block is provided with a second sliding block, and the second sliding block is movably connected with the workbench.

4. The punch forming mechanism according to claim 3, wherein: the automatic feeding device is characterized by further comprising a first driving block and a second driving block, wherein the first driving block is connected with the workbench in a liftable mode, the first sliding block is connected with the first driving block in a linkage mode, the first driving block can drive the first sliding block to move, the second driving block is connected with the workbench in a liftable mode, the second sliding block is connected with the second driving block in a linkage mode, and the second driving block can drive the second sliding block to move.

5. The press forming mechanism according to claim 4, wherein: the first slider has first driven inclined plane, first drive block have with the corresponding first drive inclined plane in first driven inclined plane, first drive inclined plane can with first driven inclined plane is contradicted and is connected, the second slider has the driven inclined plane of second, the second drive block have with the corresponding second drive inclined plane in the driven inclined plane of second, the second drive inclined plane can with the driven inclined plane of second is contradicted and is connected.

6. The punch forming mechanism according to claim 1, wherein: the second shaping knife block is perpendicular to the first shaping knife block, and the second wedge head is matched with the first wedge head in shape.