CN111113863A

CN111113863A - Bending equipment for automobile sealing strip

Info

Publication number: CN111113863A
Application number: CN202010009729.0A
Authority: CN
Inventors: 汪先林; 姜丽丽; 辛红辉; 尤敏杰; 石明奇; 郭强强
Original assignee: Jianxin Zhaos Group Corp
Current assignee: Jianxin Zhaos Group Corp; Jianxin Zhaos Technology Co Ltd
Priority date: 2020-01-06
Filing date: 2020-01-06
Publication date: 2020-05-08

Abstract

The invention discloses bending equipment for an automobile sealing strip, which comprises a base plate, a reference block and a first pressing block, wherein the reference block and the first pressing block are oppositely arranged on the base plate, the surface of the reference block, which is opposite to the first pressing block, is a standard curved surface, an elastic sheet is arranged between the reference block and the pressing block, one end of the elastic sheet is fixed on the base plate, the other end of the elastic sheet is connected with a power device, the sealing strip is clamped on the elastic sheet along the length direction of the elastic sheet, the power device drives the elastic sheet to bend and completely attach to the standard curved surface of the reference block, a second pressing block is also arranged above the reference block, the first pressing block and the second pressing block are respectively connected with the power device, the power device drives the first pressing block to horizontally move and press the elastic sheet attached to the standard curved surface. The automobile sealing strip is bent by a simple mechanical structure, and the bent product has high precision.

Description

Bending equipment for automobile sealing strip

Technical Field

The invention relates to a bending device for a sealing strip, in particular to a bending device for an automobile sealing strip.

Background

The automobile sealing strip is used for sealing between automobile glass and an automobile front windshield window frame, and ensures that rainwater, dust and the like cannot enter an automobile from a gap between the automobile glass and the automobile front windshield window frame. When the sealing strip is installed, the sealing strip needs to be installed on the glass firstly. However, the periphery of the general automobile glass is provided with a certain radian or a specific shape, so that the sealing strip needs to be pre-bent according to the peripheral track of the front windshield for convenient installation.

But traditional sealing strip bending apparatus structure adopts two simple clamp plates of taking standard camber curved surface, places the sealing strip between two curved surfaces, through two clamp plates of simple pressurization merger, realizes bending forming. However, when the sealing strip is bent, if the length of the bent section to be bent is large, it is difficult to ensure the curvature of the middle of the bent section. Therefore, new bending equipment appears in the market, such as the bending machine of the sealing strip in the invention patent of China, application (patent) No.: CN201721326697.7, its workstation installs the mould, and the die cavity has been seted up to the mould, and the die cavity is adapted in the bending structure of sealing strip, and positioning mechanism and side pressure mechanism install respectively in the front and back both sides of mould, side pressure mechanism face the die cavity, and side pressure mechanism includes a plurality of side pressure cylinders and connects the side pressure piece in the side pressure cylinder, and each side pressure cylinder pushes the sealing strip in the side direction fixed die cavity in proper order. Therefore, the sealing strip bending machine is compact in structure and simple to operate, effectively avoids the position deviation of the sealing strip, and achieves accurate positioning and rapid bending forming. However, the above mechanism is complicated, requires a plurality of power modules to be arranged, and requires a plurality of power modules to be operated in cooperation, which is a high-cost bending apparatus.

In view of the above, the inventor of the present invention has developed the bending apparatus for a weather strip of an automobile according to the present application to solve the problems of the prior art.

Disclosure of Invention

The invention aims to solve the technical problem of providing bending equipment for the automobile sealing strip, which adopts a simple mechanical structure to realize the bending of the automobile sealing strip, and the precision of a product obtained by bending is high.

The technical scheme adopted by the invention for solving the technical problems is as follows: the bending equipment of the automobile sealing strip comprises a base plate, a reference block and a first pressing block which are arranged on the base plate relatively, wherein the surface of the reference block, which is opposite to the first pressing block, is a standard curved surface, an elastic sheet is arranged between the reference block and the pressing block, one end of the elastic sheet is fixed at the other end of the base plate and the elastic sheet and is connected with a power device, the sealing strip is connected with the elastic sheet along the length direction in a clamping manner, the power device drives the elastic sheet to bend and completely adhere to the standard curved surface of the reference block, a second pressing block is further arranged above the reference block, the first pressing block and the second pressing block are respectively connected with the power device, the power device drives the first pressing block to horizontally move and press the elastic sheet adhering to the standard curved surface, and the power device drives the second pressing block to vertically downwards act on the elastic sheet and the.

Further preferred embodiments of the present invention: the other end of the elastic sheet is connected with a clamping piece, and the clamping piece is connected with a power device through a connecting rod.

Further preferred embodiments of the present invention: the base plate is provided with a track, the track is in an arc shape, the connecting rod is positioned in the track and can only do circumferential motion along the track, and the moving connecting rod drives the elastic sheet to keep a flat plate shape or a bent plate shape completely attached to a standard curved surface through the clamping piece.

Further preferred embodiments of the present invention: the power device comprises a first air cylinder, a connecting plate movably connected with the first air cylinder is arranged at the bottom of the base plate, one end of the connecting plate is connected with a rotating shaft, the other end of the connecting plate is connected with a connecting rod, and the rotating shaft is located in the center of a circle of the track.

Further preferred embodiments of the present invention: the connecting plate surface seted up the notch, the notch in movable mounting have ball joint, the connecting rod tip of first cylinder set up the go-between, ball joint in the go-between, first cylinder be located connecting plate one side, first cylinder work will promote the connecting plate and revolve the axle rotation, the connecting rod will revolve the axle rotation in step.

Further preferred embodiments of the present invention: the up end of benchmark piece, it is sunken to be provided with the bar along standard curved surface, sunken bottom surface with the flexure strip top surface flush, power device including the second cylinder of connecting the benchmark piece, second cylinder work will promote the benchmark piece and shift up, the benchmark piece that shifts up can drive the sealing strip of joint on the flexure strip and break away from the flexure strip.

Further preferred embodiments of the present invention: the second pressing block vertically presses down the elastic sheet, the strip-shaped recess and the top surface of the first pressing block.

Further preferred embodiments of the present invention: the power device comprises a third air cylinder connected with the first pressing block, and the third air cylinder drives the first pressing block to horizontally move to be pressed and fixed on an elastic sheet attached to the reference block.

Further preferred embodiments of the present invention: one end of the elastic sheet is also provided with a positioning piece, and the positioning piece is attached to the surface of the elastic sheet and is matched with the sealing strip structure.

Compared with the prior art, the invention has the advantage that the sealing strip is clamped on the elastic sheet along the length direction of the elastic sheet to realize installation. The power device can drive the elastic sheet to bend and completely fit on the standard curved surface of the reference block. That is to say, after the sealing strip is installed, the sealing strip can be bent in advance through the bending of the elastic sheet, so that the sealing strip can be well attached to a standard curved surface before pressurization, and the bending precision of the sealing strip is ensured. And then the power device drives the first pressing block to horizontally move and press the sealing strip attached to the standard curved surface, so that the sealing strip is bent and formed. In order to ensure that the deformation of the whole structure of the sealing strip can be within a preset range after the sealing strip is subjected to pressure, the sealing strip top surface pressing device is further provided with a second pressing block for pressing the top surface of the sealing strip, and the top surface of the sealing strip is ensured not to be subjected to unexpected deformation due to bending. The structural precision of the sealing strip after bending is further ensured. The automobile sealing strip bending device adopts a simple mechanical structure to realize the bending of the automobile sealing strip, the processing cost is lower, and the precision of the product obtained by bending is high.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the preferred embodiments and therefore should not be taken as limiting the scope of the invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic bottom view of the present invention;

FIG. 3 is a structural state diagram of the present invention in a non-operational state;

fig. 4 is a structural state diagram of the working state of the present invention.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 to 4: the bending equipment of the automobile sealing strip comprises a substrate 1, a reference block 2 and a first pressing block 3 which are oppositely arranged on the substrate 1, the surface of the reference block 2 opposite to the first pressing block 3 is a standard curved surface 4, an elastic sheet 5 is arranged between the reference block 2 and the pressing block, one end of the elastic sheet 5 is fixed on the substrate 1, the other end of the elastic sheet 5 is connected with a power device, a sealing strip 10 is connected to the elastic sheet 5 in a clamping manner along the length direction of the elastic sheet 5, the power device drives the elastic sheet 5 to bend and completely adhere to the standard curved surface 4 of the reference block 2, a second pressing block 6 is further arranged above the reference block 2, the first pressing block 3 and the second pressing block 6 are respectively connected with the power device, the power device drives the first pressing block 3 to horizontally move and press the elastic sheet 5 adhering to the standard curved surface 4, and drives the second pressing block 6 to vertically downwards press the elastic sheet 5 and.

The other end of the elastic sheet 5 is connected with a clamping piece 7, and the clamping piece 7 is connected with a power device through a connecting rod 8.

The base plate 1 is provided with a track 9, the track 9 is in an arc shape, the connecting rod 8 is positioned in the track 9 and can only do circumferential motion along the track 9, and the moving connecting rod 8 drives the elastic piece 5 to keep a flat plate shape or a bent plate shape completely attached to the standard curved surface 4 through the clamping piece 7. The track 9 is designed to ensure that the moving track of the other end of the elastic sheet 5 is an arc segment, and ensure that the elastic sheet 5 is always in a stretched state in the whole moving process, so that the sealing strip 10 is not folded in the whole moving state.

The power device comprises a first air cylinder, a connecting plate 11 movably connected with the first air cylinder is arranged at the bottom of the base plate 1, one end of the connecting plate 11 is connected with a rotating shaft 12, the other end of the connecting plate 11 is connected with a connecting rod 8, and the rotating shaft 12 is located in the circle center of the track 9.

The surface of the connecting plate 11 is provided with a notch, a spherical joint 13 is movably mounted in the notch, the end part of the connecting rod 8 of the first cylinder is provided with a connecting ring, the spherical joint 13 is connected in the connecting ring in a clamping manner, the first cylinder is positioned on one side of the connecting plate 11, the first cylinder works to push the connecting plate 11 to rotate around the rotating shaft 12, and the connecting rod 8 synchronously rotates around the rotating shaft 12. The first cylinder is connected with the connecting plate 11 through the plurality of movable joints, so that the connecting plate 11 can smoothly rotate around the rotating shaft 12, and the smoothly connected rotating shaft 12 is driven to rotate.

The up end of benchmark piece 2, be provided with the bar sunken 14 along standard curved surface 4, sunken bottom surface flushes with 5 top surfaces of flexure strip, and power device is including the second cylinder of connecting benchmark piece 2, and the work of second cylinder will promote benchmark piece 2 and move up, and the benchmark piece 2 that moves up can drive the sealing strip 10 of joint on flexure strip 5 and break away from flexure strip 5. The structural design of the present invention facilitates the removal of the curved sealing tape 10.

The second pressing block 6 vertically presses down the top surfaces of the elastic sheet 5, the strip-shaped recess 14 and the first pressing block 3. The structural design of the second pressing block 6 realizes the regularity of the top surface of the sealing strip 10.

The surface of the first pressing block 3 opposite to the reference block 2 is a curved surface matched with the standard curved surface 4, the power device comprises a third air cylinder connected with the first pressing block 3, and the third air cylinder drives the first pressing block 3 to horizontally move to be pressed and fixed on an elastic sheet 5 attached to the reference block 2. The first pressing block 3 realizes the bending forming of the sealing strip 10.

One end of the elastic sheet 5 is further provided with a positioning piece 15, and the positioning piece 15 is attached to the surface of the elastic sheet 5 and is matched with the sealing strip 10 in structure. The sealing strip 10 structure of the invention can be well positioned by the positioning piece 15, so that the whole bending is standardized, and the precision of a finished product is improved.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention has been described in detail, and the principles and embodiments of the present invention have been described herein using specific examples, which are provided only to assist in understanding the present invention and the core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. Bending apparatus of car sealing strip, including the base plate, set up reference block and first briquetting on the base plate relatively, its characterized in that reference block and the relative face of first briquetting be standard curved surface, reference block and briquetting between be provided with the flexure strip, flexure strip one end be fixed in the other end of base plate, flexure strip and connect power device, the sealing strip along the length direction joint of flexure strip on the flexure strip, power device will drive the flexure strip and laminate completely on the standard curved surface of reference block, reference block top still be provided with the second briquetting, first briquetting, second briquetting connect power device respectively, power device drive first briquetting horizontal migration is pressurized in the flexure strip of laminating at standard curved surface, the vertical pushing down of power device drive second briquetting is acted on flexure strip and standard curved surface.

2. The bending apparatus for an automobile weather strip according to claim 1, wherein the other end of the elastic piece is connected to a holder, and the holder is connected to a power unit through a link.

3. The bending apparatus for an automotive weatherstrip according to claim 2, wherein the base plate is provided with a rail, the rail is in an arc shape, the connecting rod is located in the rail and can only move circumferentially along the rail, and the moving connecting rod drives the elastic piece to maintain a flat shape or a bent plate shape completely attached to a standard curved surface through the clamping member.

4. The bending apparatus for sealing strip of automobile of claim 2, wherein the power device comprises a first cylinder, the bottom of the base plate is provided with a connecting plate movably connected with the first cylinder, one end of the connecting plate is connected with a rotating shaft, the other end of the connecting plate is connected with a connecting rod, and the rotating shaft is located at the center of the track.

5. The bending apparatus for an automotive sealing strip as claimed in claim 4, wherein the connecting plate has a notch on a surface thereof, a ball joint is movably mounted in the notch, a connecting ring is disposed at an end of the connecting rod of the first cylinder, the ball joint is clamped in the connecting ring, the first cylinder is located at one side of the connecting plate, the first cylinder operates to push the connecting plate to rotate around the rotating shaft, and the connecting rod synchronously rotates around the rotating shaft.

6. The bending apparatus for the automobile sealing strip according to claim 1, wherein the upper end surface of the reference block is provided with a strip-shaped recess along the standard curved surface, the bottom surface of the recess is flush with the top surface of the elastic sheet, the power device comprises a second cylinder connected with the reference block, the second cylinder operates to push the reference block to move upwards, and the upwards-moving reference block can drive the sealing strip clamped on the elastic sheet to separate from the elastic sheet.

7. The bending apparatus for an automobile weather strip according to claim 6, wherein the second presser piece vertically presses down the top surfaces of the elastic piece, the strip-shaped recess, and the first presser piece.

8. The bending apparatus for an automobile weather strip according to claim 1, wherein the surface of the first press block opposite to the reference block is a curved surface adapted to a standard curved surface, the power unit includes a third cylinder connected to the first press block, and the third cylinder drives the first press block to move horizontally to be pressed and fixed on the elastic sheet attached to the reference block.

9. The bending apparatus for an automotive sealing strip according to claim 1, wherein a positioning member is further provided at one end of the elastic piece, the positioning member being attached to the surface of the elastic piece and adapted to the structure of the sealing strip.