CN219151234U - Fastening mould adsorbs location structure and fastening mould - Google Patents

Abstract

The utility model relates to a buckling mold adsorption positioning structure which comprises an upper mold, a lower mold, a vacuum adsorption device and an upper mold sensor arranged on the upper mold, wherein a lower mold surface for supporting an outer plate of a piece to be buckled is arranged on the lower mold, the vacuum adsorption device comprises a vacuum chuck arranged on the lower mold, the vacuum chuck is used for adsorbing the outer plate of the piece to be buckled supported on the lower mold surface, and the upper mold sensor is used for detecting the inner plate of the piece to be buckled and triggering the vacuum adsorption device to start or stop by feedback signals. The utility model also provides a buckling mould, which comprises the buckling mould adsorption positioning structure. According to the utility model, the buckling mold adsorption positioning structure is arranged, so that the outer plate of the to-be-buckled piece can be effectively fixed in the buckling process, the problem of moving and shifting when the outer plate of the to-be-buckled piece bears thrust force can be reduced or even eliminated, and the buckling quality of automobile parts is further ensured.

Description

Fastening mould adsorbs location structure and fastening mould

Technical Field

The utility model relates to a mold, in particular to a buckling mold adsorption positioning structure and a buckling mold.

Background

Limited by the shape of the automotive closure, the automotive closure buckles the outer panel support surface of the mold in a steeper partial area and supports less, such as: the regions of the outer plate supporting surface corresponding to the left side and the right side of the front cover assembly, the regions of the outer plate supporting surface corresponding to the upper side and the lower side of the back door, and the regions of the outer plate supporting surface corresponding to the side of the door close to the window frame are steeper and have smaller supporting range. The automobile closure buckling mold has the following technical problems: in the pre-bending and main bending links, the outer plate of the automobile closure member can bear larger thrust, so that the outer plate of the automobile closure member can perform tandem movement under the condition of poor support, and further the problem that the automobile closure member after being buckled is large in gap and unstable is caused.

Disclosure of Invention

The utility model aims to provide a fastening die adsorption positioning structure and a fastening die, so as to reduce or eliminate at least one of the technical problems.

The utility model discloses a buckling mold adsorption positioning structure, which comprises an upper mold, a lower mold, a vacuum adsorption device and an upper mold sensor, wherein the upper mold sensor is arranged on the upper mold, a lower mold surface for supporting an outer plate of a to-be-buckled piece is arranged on the lower mold, the vacuum adsorption device comprises a vacuum chuck arranged on the lower mold, the vacuum chuck is used for adsorbing the outer plate of the to-be-buckled piece supported on the lower mold surface, and the upper mold sensor is used for detecting an inner plate of the to-be-buckled piece and triggering the vacuum adsorption device to start or stop by feeding back signals.

Optionally, an inner plate guide pin matched with the positioning hole on the inner plate of the to-be-buckled piece is arranged on the upper die.

Optionally, a lower die sensor is arranged on the lower die, and the lower die sensor is used for detecting the position of the outer plate of the to-be-buckled piece and triggering the starting of the upper die by a feedback signal.

Optionally, the vacuum chuck is disposed at an edge of the lower mold surface.

Optionally, a presser is arranged on the upper die.

The buckling mold comprises any buckling mold adsorption positioning structure, wherein the lower mold is provided with a pre-bending cutter assembly, and the upper mold is provided with a main bending cutter and an upper mold inserting cutter for driving the pre-bending cutter assembly.

Optionally, the pre-bending knife assembly comprises a parallelogram linkage, a pre-bending knife connected to the parallelogram linkage, and a spring for driving the parallelogram linkage to return.

According to the utility model, the buckling mold adsorption positioning structure is arranged, so that the outer plate of the to-be-buckled piece can be effectively fixed in the buckling process, the problem of moving and shifting when the outer plate of the to-be-buckled piece bears thrust force can be reduced or even eliminated, and the buckling quality of automobile parts is further ensured.

Drawings

FIG. 1 is a schematic structural view of a buckling mold according to the embodiment;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

fig. 3 is a partial enlarged view of fig. 2.

In the figure: 1-upper die; 2-a material pressing device; 3-a main bending cutter; 4, upper die slotting tool; 5-driving inclined plane; 6, a lower die; 7-a lower die surface; 8, pre-bending a knife; 9-upper connecting arms; 10-a lower connecting arm; 11-an inner plate guide pin; 12-a vacuum chuck; 13-a lower die sensor; 14-an upper die sensor; 15-mounting brackets; 16-an inner plate of the fastener to be fastened; 17-an outer plate of the to-be-buckled piece.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

The fastening mold adsorption positioning structure as shown in fig. 1 to 3 comprises an upper mold 1, a lower mold 6, a vacuum adsorption device and an upper mold sensor 14 arranged on the upper mold 1, wherein the lower mold 6 is provided with a lower mold surface 7 for supporting an outer plate 17 of a to-be-fastened component, the vacuum adsorption device comprises a vacuum chuck 12 arranged on the lower mold 6, the vacuum chuck 12 is used for adsorbing the outer plate 17 of the to-be-fastened component supported on the lower mold surface 7, and the upper mold sensor 14 is used for detecting the inner plate 16 of the to-be-fastened component and triggering the vacuum adsorption device to start or stop by a feedback signal. By adopting the technical scheme, in the buckling process, the upper die sensor 14 can be utilized to trigger the vacuum adsorption device to start, the outer plate 17 of the to-be-buckled piece is adsorbed by the vacuum chuck 12, the fixation and the positioning of the outer plate 17 of the to-be-buckled piece are enhanced, the outer plate 17 of the to-be-buckled piece can be effectively fixed in the buckling process, the problem of moving and shifting when the outer plate 17 of the to-be-buckled piece bears thrust force can be reduced or even eliminated, and the buckling quality of automobile parts is further ensured; after the fastening is completed, the vacuum adsorption device can be triggered to stop by the upper die sensor 14, so that the adsorption of the outer plate 17 of the to-be-fastened piece can be released, and the fastened automobile part can be conveniently taken down.

In some embodiments, the upper die 1 is provided with an inner plate pilot pin 11 for mating with a locating hole in the inner plate 16 of the fastener to be fastened. The positioning of the inner panel guide pin 11 can ensure the positional accuracy of the inner panel 16 to be fastened.

In some embodiments, the lower die 6 is provided with a lower die sensor 13, and the lower die sensor 13 is used for detecting the outer plate 17 of the to-be-buckled piece and triggering the starting of the upper die 1 by a feedback signal. The lower die sensor 13 is arranged to help realize automatic control of the buckling die. In a specific example, the lower die sensor 13 is configured to send a detection signal to a controller of the machine tool, and the controller of the machine tool controls the start of the machine tool according to the received detection signal, and drives the upper die 1 to move up and down by using the machine tool.

In some embodiments, a vacuum cup 12 is provided at the edge of the lower mold surface 7 to promote securement of the edge portion of the outer panel 17 to be fastened.

In some embodiments, the upper die 1 is provided with a presser 2, and the presser 2 is used for pressing down the inner panel 16 and the outer panel 17.

In some embodiments, the vacuum adsorption apparatus further comprises a vacuum pump or vacuum generator connected to the vacuum chuck 12 via an air tube. In one specific example, the upper die sensor 14 is in communication with a controller of the machine tool, the upper die sensor 14 is configured to send a detection signal to the controller of the machine tool, and the controller of the machine tool controls the start and stop of the vacuum pump or the vacuum generator based on the received detection signal. As a specific example, both the upper die sensor and the lower die sensor employ proximity switches.

In some embodiments, the vacuum chuck 12 is fixedly connected to the lower mold 6 by a mounting bracket 15, and a hole corresponding to the vacuum chuck 12 is provided on the lower mold surface 7.

In some embodiments, the utility model further provides a buckling mold, as shown in fig. 1 to 3, the buckling mold comprises the buckling mold adsorption positioning structure according to any one of the above, a pre-bending cutter assembly is arranged on the lower mold 6, and a main bending cutter 3 and an upper mold inserting cutter 4 for driving the pre-bending cutter assembly are arranged on the upper mold 1.

In some embodiments, the pre-bending blade assembly includes a parallelogram linkage, a pre-bending blade 8 coupled to the parallelogram linkage, and a spring for driving the parallelogram linkage back.

In some embodiments, the parallelogram linkage mechanism comprises a fixed seat, a mounting seat, an upper connecting arm 9, a lower connecting arm 10, a first rotating shaft, a second rotating shaft, a third rotating shaft and a fourth rotating shaft, wherein the bottom of the fixed seat is connected with a lower die holder of the lower die; the installation seat is positioned between the fixed seat and the lower model surface 7, one end, far away from the lower model surface 7, of the upper connecting arm 9 is hinged to the upper part of the fixed seat through a first rotating shaft, one end, close to the lower model surface 7, of the upper connecting arm 9 is hinged to the upper part of the installation seat through a second rotating shaft, one end, far away from the lower model surface 7, of the lower connecting arm 10 is hinged to the lower part of the fixed seat through a third rotating shaft, one end, close to the lower model surface 7, of the lower connecting arm 10 is hinged to the lower part of the installation seat through a fourth rotating shaft, and the fixed seat, the installation seat, the upper connecting arm 9 and the lower connecting arm 10 form a parallelogram connecting rod mechanism; the pre-bending cutter 8 is fixedly arranged on the mounting seat through bolts, a pre-bending working surface is arranged on one side of the pre-bending cutter 8, which is close to the lower model surface 7, and rollers are arranged on the upper connecting arms 9. The lower part of the upper die slotting tool 4 is provided with a driving inclined plane 5, and the driving inclined plane 5 is used for downwards extruding the roller to drive the upper connecting arm 9 to swing around the first rotating shaft.

In particular, the automotive parts to be fastened by the outer panel 17 and the inner panel 16 may be automotive closures, such as: front shroud assembly, side door, trunk lid and back door.

The working process of the buckling mold is as follows:

s1, a machine tool slide block is positioned at a top dead center, and an outer plate 17 to be buckled and an inner plate 16 to be buckled are assembled and placed on a lower die surface 7;

s2, the lower die sensor 13 senses an outer plate 17 of the to-be-buckled piece, a machine tool slide block is triggered to descend, the upper die 1 randomly moves downwards, and the inner plate guide pin 11 is inserted into a positioning hole of the inner plate 16 of the to-be-buckled piece to finish positioning of the inner plate 16 of the to-be-buckled piece;

s3, the presser 2 presses the flange edge of the inner plate 16 of the to-be-buckled piece, meanwhile, the upper die sensor 14 descends along with the upper die 1, after the upper die sensor 14 senses the inner plate 16 of the to-be-buckled piece, the vacuum adsorption device is triggered, and the vacuum sucker 12 is used for sucking and fixing the outer plate 17 of the to-be-buckled piece;

s4, the upper die slotting tool 4 descends, the upper die slotting tool 4 drives a pre-bending assembly, and the pre-bending tool 8 pre-bends the buckling edge of the outer plate 17 of the to-be-buckled piece;

s5, the upper die slotting tool 4 continues to descend, and the pre-bending tool 8 is retracted to an initial state under the action of a spring;

s6, the main bending cutter 3 descends to finish the main bending buckling action, and the descending of the machine tool slide block is finished;

s7, a machine tool slide block ascends, and the main curved knife 3 is separated;

s8, continuously ascending the machine tool slide block, separating the upper die insert cutter 4, and separating the pre-bending cutter 8;

s9, continuously ascending a machine tool slide block, separating an upper die sensor from an inner plate part, triggering a vacuum adsorption device, and loosening an outer plate 17 of the to-be-buckled piece by a vacuum sucker 12;

s10, the machine tool slide block continues to ascend, and the material pressing device 2 is separated from the inner plate 16 of the to-be-buckled piece;

s11, continuously ascending the machine tool slide block, and separating the inner plate guide pin 11 from the positioning hole of the inner plate 16 of the to-be-buckled piece;

s12, the machine tool slide block moves up to the top dead center, buckling is completed, and an automobile part formed by buckling the outer plate 17 of the to-be-buckled piece and the inner plate 16 of the to-be-buckled piece is grabbed to leave the lower die 6, so that one working cycle is completed.

In the description of the present specification, a description referring to the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic is included in at least one embodiment or example of the utility model in connection with the embodiment or example. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.

Claims (7)

1. The utility model provides a buckling mould adsorbs location structure, its characterized in that includes last mould, bed die, vacuum adsorption equipment and sets up go up mould sensor on the mould, be provided with the bed die profile that is used for supporting the buckling piece planking on the bed die, vacuum adsorption equipment is including installing vacuum chuck on the bed die, vacuum chuck be used for adsorb support in wait buckling piece planking on the bed die profile, go up mould sensor and be used for detecting waiting buckling piece inner panel and feedback signal trigger vacuum adsorption equipment starts or stops.

2. The fastening die adsorption positioning structure according to claim 1, wherein the upper die is provided with an inner plate guide pin for being matched with a positioning hole on an inner plate of the to-be-fastened piece.

3. The fastening mold adsorption positioning structure according to claim 1, wherein a lower mold sensor is arranged on the lower mold, and the lower mold sensor is used for detecting the position of an outer plate of the to-be-fastened piece and triggering the starting of the upper mold by a feedback signal.

4. The fastening die suction positioning structure according to claim 1, wherein the vacuum chuck is disposed at an edge of the lower die surface.

5. The fastening die adsorption positioning structure according to claim 1, wherein a presser is provided on the upper die.

6. A buckling mould, which is characterized by comprising the buckling mould adsorption positioning structure according to any one of claims 1-5, wherein a pre-bending cutter assembly is arranged on the lower mould, and a main bending cutter and an upper mould slotting cutter for driving the pre-bending cutter assembly are arranged on the upper mould.

7. The fastening die of claim 6, wherein the pre-bending blade assembly comprises a parallelogram linkage, a pre-bending blade coupled to the parallelogram linkage, and a spring for driving the parallelogram linkage to return.

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