CN111375675A

CN111375675A - Flanging tool for front dome lamp bracket of automotive interior ceiling

Info

Publication number: CN111375675A
Application number: CN202010287721.0A
Authority: CN
Inventors: 王贺友; 王文升; 李家付; 李云忠
Original assignee: Chongqing Jiuman Automotive Interior Parts Co ltd
Current assignee: Chongqing Jiuman Automotive Interior Parts Co ltd
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-07-07

Abstract

The invention relates to a flanging tool for a front dome lamp bracket of an automotive interior ceiling; the ceiling support comprises a ceiling support, a base and a push plate, wherein a shaping module and a flanging module are arranged at the upper part of the base, and ejection modules are arranged at two sides of the base; the push plate can pass through the base and vertically reciprocate; the shaping module is arranged in a ring shape; the number of the edge folding modules is the same as that of the edges of the support, and each edge folding module comprises a connecting block, a connecting rod and a pressing block which are sequentially hinged; the pressing block is arranged in a V shape, the bending part of the pressing block is hinged with the shaping module, one side of the bending part of the pressing block is a connecting part, the other side of the bending part of the pressing block is a turnover part, and the turnover part is hinged with the connecting rod; the connecting block is fixedly connected with the push plate; the ejection module is provided with a second clamping groove and can reciprocate along the vertical direction; the automotive interior ceiling front dome lamp support hem frock of this scheme of adoption has and assembles into power height, and to the advantage that the metal support required precision is not high.

Description

Flanging tool for front dome lamp bracket of automotive interior ceiling

Technical Field

The invention relates to a flanging tool for an automobile ceiling, in particular to a flanging tool for a front dome lamp bracket of an automobile interior ceiling.

Background

A common metal bracket of a front dome lamp of an automotive interior ceiling is formed by fixedly connecting and assembling a metal frame 1 and a ceiling body 2. A plurality of folding edges 3 are vertically arranged on the inner edge of the metal frame in an integrated mode, after the folding edges are turned for 90 degrees, the ceiling body is clamped between the folding edges and the metal frame, and the metal frame 1 is tightly buckled on the ceiling body 2. At present, an assembly mold of a metal bracket of a front dome lamp of an automotive interior ceiling is composed of accessories such as a base frame, an upper mold, a lower mold, a cylinder, a guide pillar, a guide sleeve and the like. The upper die of the die is driven by the cylinder to be pressed downwards, and the die enables the joint of the metal frame and the folded edge to be bent and deformed in the pressing process, so that the metal frame and the folded edge can be effectively fastened on the ceiling body. However, in the use process, the flanging tool adopting the mode can be successfully turned over only by ensuring that the position of the flanging completely corresponds to that of the die in the assembling process, namely, the metal frame is required to be matched with the die in height, so that the precision requirement on the die and a guide device of the tool is higher, and the metal frame has to have higher precision; but also puts forward higher requirements on the operating proficiency of workers, otherwise, the flanging position of the bracket is easy to deform as expected in the assembly process of the metal frame, so that the frame cannot be fastened on the ceiling body, and the frame is scrapped; there is even the possibility of damaging the ceiling body, causing greater losses. Moreover, in the assembly mold of the metal bracket of the front dome lamp of the automotive interior ceiling in the prior art, one assembly mold can only bend the metal frames 1 with the same model and size, and the mold needs to be integrally replaced when being partially worn, so that the use cost is high.

Disclosure of Invention

The invention aims to provide a flanging tool for a metal bracket of a front dome lamp of an automotive interior ceiling, which has the advantages of wide application range, high assembly power, low use cost, simple structure and easiness in processing, and has low requirement on the precision of the metal bracket.

The edge folding tool for the front dome lamp bracket of the automotive interior ceiling comprises a ceiling bracket, a base and a push plate, wherein the base is positioned on the ceiling bracket and is fixedly connected with the ceiling bracket through a triangular bracket; the base is provided with a through hole through which the push plate can pass, and the push plate can pass through the base and vertically reciprocate; the shaping module is annularly arranged, and a first clamping groove for positioning is formed in the upper end face of the shaping module; the number of the flanging modules is the same as that of the support flanging, the positions of the flanging modules are matched with the support flanging, and the flanging modules comprise connecting blocks, connecting rods and pressing blocks which are sequentially hinged; the pressing block is arranged in a V shape, the bending part of the pressing block is hinged with the shaping module, one side of the bending part of the pressing block is a connecting part, the other side of the bending part of the pressing block is a turnover part, and the turnover part is hinged with the connecting rod; the connecting block is fixedly connected with the push plate; and the ejection module is provided with a second clamping groove and can reciprocate along the vertical direction.

The invention has the advantages that: (1) the first clamping groove on the shaping module positions the metal frame and the ceiling, the pressing block corresponding to the folded edge moves upwards along with the push plate, and the stress direction of the folded edge changes along with the bending of the folded edge through the hinged pressing block, so that the qualified fastening state is finally achieved. (2) Because the pressure that the briquetting applied to the hem is perpendicular to the hem all the time, not only can guarantee that the hem produces deformation as required, still can prevent to lead to the condemned condition of metal crate or even ceiling because of having the effort of other directions. (3) The flanging die is only required to correspond to the flanging position during installation, so that the requirement on the accuracy of the overall dimension of the metal frame is low as the dimension data of the die and the flanging is not required to be completely matched when the die is used. (4) The requirements on the position and the precision of the setting module during installation are high, and the requirements on the precision of the size of the flanging die block are low, so that the cost of the invention can be greatly reduced. (5) By using the edge folding tool for the front dome lamp bracket of the automotive interior ceiling, 100% of metal frames can be assembled on the ceiling body in a qualified mode.

Furthermore, the shaping module comprises a limiting block and supporting blocks, the number of the supporting blocks is the same as that of the flanging modules, and the limiting block and the supporting blocks are arranged at intervals; the bending part of the pressing block is hinged with the supporting block, and the supporting block can be connected with the edge folding module independently, so that the die is convenient to mount; and if the abrasion exists, the device can be independently replaced, so that the cost is reduced.

Furthermore, a connecting table is arranged on one side of the supporting block, and the supporting block is fixedly connected with the base through the connecting table. During assembly, the supporting block needs to be hinged with the edge folding module firstly, after the push plate is installed, the edge folding module is connected with the push plate, the supporting block is connected with the base, and the supporting block can penetrate through the connecting table through bolts to be fixed on the base, so that the connection operation is facilitated.

Furthermore, a groove is formed in the push plate, and the connecting block is located in the groove. When metal crate has certain radian, through this recess, can adjust the length of connecting rod, can realize under the condition of not changing the connecting rod, guarantee that the angle of hem module upset is the same, need make the angle that every briquetting was opened the same promptly.

Further, the width of the folded part of the pressing block is larger than that of the folded edge; and a chamfer is arranged outside the turnover part of the pressing block. When the flanging module is opened and the metal frame is sleeved on the shaping module, the chamfer can play a role in guiding the metal frame. Because the effective stress height of the edge folding module in the edge folding process is not lower than the height of the edge folding module before the edge folding is not folded, the edge folding part has certain interference relative to the edge folding after the edge folding is finished, and the chamfer can prevent the acute angle from damaging the ceiling body.

Still further, the shaping module and the flanging module are both made of 45 steel, and the hardness of the steel is higher than HRC 45. Low cost and easy processing.

Furthermore, the ceiling support comprises a base, a plurality of supporting rods and a plurality of positioning blocks, the supporting rods are vertically fixed on the base, and the positioning blocks are fixedly connected with the base and are matched with the concave parts of the ceiling body.

Furthermore, the push plate and the ejection module are respectively driven by the air cylinder, and the air cylinder is adopted to push and complete all the folded edges, so that the cost is low and the tooling efficiency is high. And a connecting plate is arranged between the push plate and the cylinder, so that the push plate can be conveniently replaced and installed.

Drawings

FIG. 1 is a schematic view of a folding tool for a front dome lamp bracket of an automotive interior ceiling in use;

FIG. 2 is an overall view of the edge folding tool for the front dome lamp bracket of the automotive interior ceiling;

FIG. 3 is an assembled view of a front dome light bracket of an automotive interior ceiling according to the present invention;

FIG. 4 is an enlarged view of A in FIG. 3;

FIG. 5 is a structural view of a metal frame;

FIG. 6 is a partial side view of the edge folding tool for the front dome lamp bracket of the automotive interior ceiling;

FIG. 7 is a top view of FIG. 6;

FIG. 8 is a partial bottom view of the edge folding tool for the front dome lamp bracket of the automotive interior ceiling;

FIG. 9 is a partial view of a flanging tool for a front dome lamp bracket of an automotive interior ceiling according to the present invention;

FIG. 10 is an enlarged view of B in FIG. 9;

fig. 11 is a structural diagram of a flanging module in the flanging tool for the front dome lamp bracket of the automotive interior ceiling.

Detailed Description

The invention is described in further detail below with reference to the following figures and detailed description:

referring to fig. 1 to 11, a hemming tool for a front dome lamp bracket of a ceiling of an automotive interior,

first embodiment

Comprises a ceiling bracket 01, a base 02 and a push plate 03. The ceiling support 01 comprises a base 011, supporting rods 012 and a positioning block 013, wherein the supporting rods 012 are vertically fixed on the base 011, and the positioning block 013 is welded with the base 011 and is adapted to a depression of the ceiling body. The base 02 is positioned on the base 011 and is in bolted connection with the base 011 through a triangular bracket 04; the upper part of the base 02 is provided with a shaping module 05 and a flanging module 06, and two sides of the base 02 are provided with ejection modules 07. The base 02 is provided with a through hole for the push plate 03 to pass through, and the push plate 03 can pass through the base 02 and vertically reciprocate. The shaping module 05 is annularly arranged, a first clamping groove 051 for positioning is arranged on the upper end face of the shaping module 05, and the first clamping groove 051 is used for positioning the metal frame 1. The number of the edge folding modules 06 is the same as that of the support edge folds 3, the positions of the edge folding modules 06 are matched with the support edge folds 3, and the edge folding modules 06 comprise connecting blocks 061, connecting rods 062 and pressing blocks 063 which are hinged in sequence. The briquetting 063 is the setting of V type, and the bending part of briquetting 063 is articulated with stock module 05, and one side of briquetting bending part is connecting portion 065, and the opposite side is turn-over portion 066, and turn-over portion 066 is articulated with connecting rod 062. The connecting block 06 is connected with the push plate 03 through bolts. The ejection module 07 is provided with a second clamping groove 071, the second clamping groove 071 is matched with the ceiling body 2, and the ejection module 07 can reciprocate along the vertical direction. The push plate 03 and the ejection module 07 are respectively driven by an air cylinder, and the push plate 03 and the air cylinder are connected through a connecting plate 08 for convenience of disassembly and assembly.

Before use, the push plate 03 moves downwards to enable the edge folding module 06 to be in an opening state. During the use, place metal framework 1 on the first draw-in groove 051 of stock module 05 earlier, place ceiling body 2 on ceiling support 01 again, hem 3 stretches out in ceiling body 2 this moment. Because the locating piece 013 suits with the depressed part of ceiling body 2, can play the effect of support and prepositioning, the bracing piece 012 supports the location to the week side of ceiling body 2. With the upward movement of the push plate 03, the connecting rod 062 pushes the connecting part 065 of the pressing block 063, so that the pressing block 063 rotates around the hinge of the pressing block 063 and the shaping module 05, and the folded part 066 pushes the folded edge 3 to be folded outwards to be in a fastened state, so that the metal frame 1 is fastened on the ceiling body 2. And finally, the module 07 to be ejected pushes the ceiling body 2 out and then is taken down. Hem 3 is turning over the in-process, and briquetting 063 is perpendicular to 3 surfaces of hem all the time to the pressure that hem 3 applyed, and 3 atress directions of hem change along with the buckling of hem 3 promptly, can guarantee that hem 3 produces deformation according to predetermined requirement, prevent to lead to metal frame 1 or even ceiling body 2 to scrap because of the effort that has other directions. When the metal frame flanging die is used, only the flanging module 06 is required to correspond to the flanging 3, and the requirement on the overall dimension precision of the metal frame flanging module is low because the upper die and the lower die are required to be completely matched with the flanging dimension data when the assembling die is used. Buckle hem 3 simultaneously and adopt a cylinder to promote to accomplish, it is with low costs and frock efficient.

For the metal frames 1 with different sizes and shapes, the shaping module 05 corresponding to the metal frame 1 can be replaced. For the metal frame 1 with a certain radian, the connecting rods 062 with different lengths are replaced, so that the angle of each pressing block 063 when being opened is the same. For the metal frame 1 with the folded edge 3 needing to be bent at different angles, the connecting rod 062 with a proper length is selected according to the requirement. And the inclination angle of the base 02 can be adjusted by using the triangular supports 04 of different angles. The invention has wide application range and low use and production cost, and can ensure that the assembly qualification rate of the metal frame and the ceiling body is 100 percent. The shaping module 05 and the flanging module 06 both use 45 steel with the hardness of HRC45, and the cost is far lower than the cost of the upper and lower dies in the assembly die.

Example two

For the convenience of installation of the invention, the shaping module 05 consists of a limiting block 052 and supporting blocks 053, the number of the supporting blocks 053 is the same as that of the flanging module 06, and the limiting block 052 and the supporting blocks 053 are arranged at intervals. A connecting table 054 is integrally arranged on one side of the supporting block 053, and the supporting block 053 is connected with the base 02 through bolts through the connecting table 054. The bent part of the pressing block 063 is hinged with the supporting block 053.

When the device is installed before use, the supporting block and the flanging module can be connected firstly, and then the supporting block 053 and the flanging module 06 are respectively connected with the base 02 and the push plate 03 through bolts; when the supporting block 053 is connected with the base 02, the connection operation is performed above the base 02. And when one or more of the limiting block 052 and the supporting block 053 is worn, the limiting block can be independently replaced, so that the use cost is further reduced.

The other technical features are the same as those of the first embodiment.

EXAMPLE III

When the metal frame 1 has a certain curvature, in order to ensure that the turning angles of the hemming modules are the same (i.e. the movement tracks and the manner during the bending process of the hems 3 are the same) without replacing the connecting rod 062, the opening angle of each pressing piece 063 needs to be the same. As shown in fig. 5 and 10, in order to adapt to the metal frame 1 with two ends bent downwards, a groove 031 is formed on the push plate 03, and the connecting block is positioned in the groove 031. Under the condition that only the shaping module 05 is replaced and the connecting rod 062 is not replaced, the depth of the groove is adjusted according to the radian of the metal frame 1, and the same overturning angle of the flanging module 06 can be ensured. Because push pedal 03 low cost easily processes and the dismouting is simpler, process out one or several recess 031 as required on push pedal 03, the recess 031 degree of depth is processed according to actual requirement, can use with the direct cooperation of hem module 06.

The width of the folded part 066 of the pressing block 063 is 2-3 mm larger than the width of the folded edge 3, preferably larger than 2 mm. A chamfer 067 is provided outside the folded portion 066 of the pressure block 063. The chamfer 067 can guide the metal frame 1 when the metal frame 1 is fitted over the sizing module 05 when the hemming module 06 is opened. Because the effective stress height of the edge folding module 06 in the edge folding process should not be lower than the height of the edge folding 3 before bending, the edge folding part 066 has a certain interference with the edge folding 3 after the edge folding is finished, and the chamfer 067 can prevent the acute angle from damaging the ceiling body 2.

The other technical features are the same as those of the first embodiment.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. Dome lamp support hem frock before automotive interior ceiling, its characterized in that: comprises a ceiling support, a base and a push plate,

the base is positioned on the ceiling support and is fixedly connected with the ceiling support through a triangular support, the upper part of the base is provided with a shaping module and a flanging module, and two sides of the base are provided with ejection modules; the base is provided with a through hole through which the push plate can pass, and the push plate can pass through the base and vertically reciprocate;

the shaping module is annularly arranged, and a first clamping groove for positioning is formed in the upper end face of the shaping module;

the number of the flanging modules is the same as that of the support flanging, the positions of the flanging modules are matched with the support flanging, and the flanging modules comprise connecting blocks, connecting rods and pressing blocks which are sequentially hinged; the pressing block is arranged in a V shape, the bending part of the pressing block is hinged with the shaping module, one side of the bending part of the pressing block is a connecting part, the other side of the bending part of the pressing block is a turnover part, and the turnover part is hinged with the connecting rod; the connecting block is fixedly connected with the push plate;

and the ejection module is provided with a second clamping groove and can reciprocate along the vertical direction.

2. The automotive interior ceiling front dome lamp support hem frock of claim 1, characterized in that: the shaping module comprises a limiting block and supporting blocks, the number of the supporting blocks is the same as that of the flanging modules, and the limiting block and the supporting blocks are arranged at intervals; the bending part of the pressing block is hinged with the supporting block.

3. The automotive interior ceiling front dome lamp support hem frock of claim 2, characterized in that: and a connecting table is arranged on one side of the supporting block, and the supporting block is fixedly connected with the base through the connecting table.

4. The automotive interior ceiling front dome lamp support hem frock of claim 1, characterized in that: the push plate is provided with a groove, and the connecting block is positioned in the groove.

5. The automotive interior ceiling front dome lamp support hem frock of claim 1, characterized in that: the width of the turning part of the pressing block is larger than the width of the folded edge of the support, and a chamfer is arranged outside the turning part of the pressing block.

6. The automotive interior ceiling front dome lamp bracket folding tool according to any one of claims 1 to 5, characterized in that: the shaping module and the flanging module are both made of 45 steel, and the hardness of the shaping module and the flanging module is higher than HRC 45.

7. The automotive interior ceiling front dome lamp support hem frock of claim 6, characterized in that: the ceiling support comprises a base, a plurality of supporting rods and a positioning block, the supporting rods are vertically fixed on the base, and the positioning block is fixedly connected with the base and is matched with the sunken part of the ceiling body.

8. The automotive interior ceiling front dome lamp support hem frock of claim 7, characterized in that: the push plate and the ejection module are respectively driven by an air cylinder, and a connecting plate is arranged between the push plate and the air cylinder.