CN206578479U - A kind of pneumatic clamping mechanism welded for automotive oil tank - Google Patents

Abstract

The utility model discloses a kind of pneumatic clamping mechanism welded for automotive oil tank, the connecting device installed including cylinder and cylinder bottom, connecting device includes terminal pad and the connection integrally formed contiguous block of tray bottom, the middle part of contiguous block is provided with perforate, the left side of contiguous block bottom is provided with the 3rd link, and the right side of connection tray bottom is provided with the first link；The right side that the inner side of perforate is movably installed with the top of connecting plate, connecting plate by bar is provided with the second link, and the first spring is connected between the second link and the first link.The utility model passes through interspersed bar in perforation and through hole, so that cylinder and key pressure constitute movable mounting structure between referring to, the first spring and second spring being equipped with again, so that the pneumatic clamping mechanism has certain buffering effect, can effectively erosion control surging it is excessive, the welding position at fuel tank outer barrel two ends is caused to damage；Key pressure can be also avoided to refer to because stamping press spends the phenomenon generation for occurring deforming or being broken greatly simultaneously.

Description

A kind of pneumatic clamping mechanism welded for automotive oil tank

Technical field

The utility model is related to automotive oil tank welding processing technical field, specially a kind of gas welded for automotive oil tank Dynamic hold-down mechanism.

Background technology

Automotive oil tank is mainly formed by multiple parts assembly weldings, outer barrel be the most key primary structure member of fuel tank it One, it is primarily subjected to the service load of inner body, inner body and conducted oneself with dignity band in brought load and car running process The load come, therefore the making of fuel tank is particularly important.

At present in automotive oil tank manufacture process, the hold-down mechanism at current fuel tank edge, mostly using pneumatic clamping, But in the pneumatic clamping mechanism welded currently used for fuel tank, its cylinder and key pressure refer between be usually that structure is fixedly mounted, Buffer capacity is not had, once pneumatic mechanism breaks down, on the one hand, it is easy to because stamping press is spent big and causes outside fuel tank The connecting portion at cylinder two ends is deformed, the welding quality between influence outer barrel and two side seal boards, influences the strong of fuel tank entirety Degree and quality, on the other hand, easily cause key pressure to point out existing deformation or fracture, influence the efficiency of fuel tank welding processing.

Utility model content

The purpose of this utility model is to provide a kind of pneumatic clamping mechanism welded for automotive oil tank, on solving State the problem of being previously mentioned in background technology.

To achieve the above object, the utility model provides following technical scheme：

A kind of pneumatic clamping mechanism welded for automotive oil tank, including the connecting device that cylinder and cylinder bottom are installed, The connecting device includes terminal pad and the connection integrally formed contiguous block of tray bottom, and the middle part of the contiguous block is provided with strip Perforate, the both sides of the perforate are equipped with the perforation with being communicated on the outside of contiguous block, and the left side of the contiguous block bottom is provided with the Three links, side of the bottom away from the 3rd link of the terminal pad is provided with the first link；It is interspersed with the inside of the perforation Bar, the inner side of the perforate is movably installed with connecting plate by bar, and the inside of the connecting plate, which is provided with, is easy to what bar was passed through Through hole, the part that the two ends of the bar are located on the outside of contiguous block is set with hex nut；Right side at the top of the connecting plate is set There is the second link, be connected with the left of the first spring, the connecting plate and be integrally formed between second link and the first link There is key pressure to refer to, bottom and the key pressure of the connecting plate refer to intersection provided with the 4th link, and the 3rd link and the 4th is hung Second spring is connected between ring.

It is preferred that, the diameter of the through hole is adapted with the diameter perforated, the both sides of the perforate be equipped with two it is spacing Block, the position of two limited blocks is located in the top and bottom of perforation, the outside correspondence perforate at the through hole two ends respectively The limited block position of side is provided with stopper slot, and the stopper slot is in fox shape structure, and the limited block is located on the inside of stopper slot.

It is preferred that, the bottom that the key pressure refers to left end is provided with for compressing fuel tank outer barrel two ends weld part by bolt The pressing plate of position, it is strip platy structure that the key pressure, which refers to pressing plate,.

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

1st, the utility model on the contiguous block of connecting device by setting perforate and perforation, and the correspondence on connecting plate The through hole that punch position is set, coordinates the bar interted in perforation and through hole so that cylinder and key pressure are constituted between referring to and lived Dynamic mounting structure, then coordinate the first spring connected between the first link and the second link, and hung in the 3rd link and the 4th The second spring connected between ring so that in use, during cylinder is extended downwardly, key pressure refers to for the pneumatic clamping mechanism With certain buffering effect when being compressed to the welding position at fuel tank outer barrel two ends, pneumatic mechanism can not only be effectively prevented Failure, and cause stamping press to be spent greatly, the welding position at fuel tank outer barrel two ends is caused to damage, it is ensured that weld at fuel tank outer barrel two ends The welding quality of socket part position；Key pressure can be also avoided to refer to because stamping press spends the phenomenon hair for occurring deforming or being broken greatly simultaneously It is raw, the production and processing efficiency of automotive oil tank has been effectively ensured.

Brief description of the drawings

Fig. 1 is the utility model side structure schematic diagram；

Fig. 2 is the positive structure schematic of the utility model connecting device；

Fig. 3 is the partial structural diagram of the utility model connecting plate side；

Fig. 4 is the structural representation on the inside of the utility model contiguous block；

Fig. 5 refers to the overlooking the structure diagram with connecting plate for the utility model key pressure.

In figure：1 cylinder, 2 connecting devices, 21 terminal pads, 22 contiguous blocks, 23 perforates, 24 perforation, 25 limited blocks, 3 connections Plate, 31 through holes, 32 stopper slots, 4 key pressures refer to, 5 bars, 6 hex nuts, 7 first links, 8 second links, 9 first springs, 10 3rd link, 11 the 4th links, 12 second springs, 13 pressing plates.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.

Refer to Fig. 1-5, a kind of pneumatic clamping mechanism welded for automotive oil tank, including cylinder 1 and the bottom of cylinder 1 peace The connecting device 2 of dress, connecting device 2 includes the integrally formed contiguous block 22 of terminal pad 21 and the bottom of terminal pad 21, contiguous block 22 Middle part be provided with the perforate 23 of strip, the both sides of perforate 23 are equipped with the perforation 24 communicated with the outside of contiguous block 22, contiguous block The left side of 22 bottoms is provided with the 3rd link 10, and side of the bottom away from the 3rd link 10 of terminal pad 21 is provided with the first link 7；Wear The inner side in hole 24 is interspersed with bar 5, and the inner side of perforate 23 is movably installed with connecting plate 3 by bar 5, and the inside of connecting plate 3 is set There is the through hole 31 for being easy to bar 5 to pass through, the diameter of through hole 31 is adapted with the diameter of perforation 24, and the both sides of perforate 23 are equipped with two Individual limited block 25, the position of two limited blocks 25 is located at the top and bottom of perforation 24, the outside correspondence at the two ends of through hole 31 respectively The position of limited block 25 of the inner side of perforate 23 is provided with stopper slot 32, and stopper slot 32 is in fox shape structure, and limited block 25 is located at stopper slot 32 Inner side, the part that the two ends of bar 5 are located on the outside of contiguous block 22 is set with hex nut 6；The right side at the top of connecting plate 3 is provided with the Two links 8, are connected with the first spring 9, the left side of connecting plate 3 is integrally formed with key pressure between the second link 8 and the first link 7 Refer to 4, bottom and the key pressure of connecting plate 3 refer to 4 intersections provided with the 4th link 11, connect between the 3rd link 10 and the 4th link 11 Second spring 12 is connected to, the bottom that key pressure refers to 4 left ends is provided with for compressing fuel tank outer barrel two ends welding position by bolt Pressing plate 13, key pressure refer to 4 with pressing plate 13 be strip platy structure.

The utility model on the contiguous block 22 of connecting device 2 by setting perforate 23 and perforation 24, and in connecting plate 3 The through hole 31 that upper 24 positions of correspondence perforation are set, coordinates the bar 5 interted in perforation 24 and through hole 31 so that cylinder 1 and qin Key pressure constitutes movable mounting structure between referring to 4, then coordinates the first spring 9 connected between the first link 7 and the second link 8, with And the second spring 12 connected between the 3rd link 10 and the 4th link 11 so that the pneumatic clamping mechanism is in use, gas During cylinder 1 is extended downwardly, with certain buffering when the welding position that key pressure refers to 4 pairs of fuel tank outer barrel two ends is compressed Effect, can not only effectively prevent pneumatic mechanism failure, and cause stamping press to be spent greatly, to the welding position at fuel tank outer barrel two ends Cause to damage, it is ensured that the welding quality of fuel tank outer barrel two ends welding position；Also key pressure can be avoided to refer to 4 because of stamping press simultaneously Spend phenomenon that is big and occurring deforming or be broken to occur, the production and processing efficiency of automotive oil tank has been effectively ensured.

This is used for the pneumatic clamping mechanism that automotive oil tank is welded, in use, causing key pressure to refer to 4 by the flexible of cylinder 1 The welding position at automotive oil tank outer barrel two ends is compressed, need to be further illustrated：Be connected plate when cylinder 1 is extended downwardly The first spring 9 and the pulling force of second spring 12 set between 3 and connecting device 2 so that key pressure refers to 13 pairs of oil of pressing plate on 4 Case two ends welding position is implemented to compress, and by being located at the limited block 25 that 24 edges of perforation are set in the inner side of perforate 23, coordinates The stopper slot 32 that correspondence limited block 25 position is set on the outside of the two ends of through hole 31 inside connecting plate 3, can be effectively to key pressure The angle for referring to 4 rotations is implemented to limit so that the pneumatic clamping mechanism is not while influenceing to compress effect to fuel tank, also with one Fixed buffering effect, effectively prevent the failure of cylinder 1 cause punching press dynamics suddenly increase and key pressure is referred to 4 cause damage or Damage is caused to the welding position at fuel tank outer barrel two ends.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims (3)

1. a kind of pneumatic clamping mechanism welded for automotive oil tank, including the linking dress that cylinder (1) and cylinder (1) bottom are installed Put (2), it is characterised in that：The connecting device (2) includes terminal pad (21) and the integrally formed connection in terminal pad (21) bottom Block (22), the middle part of the contiguous block (22) is provided with the perforate (23) of strip, and the both sides of the perforate (23) are equipped with connecting The perforation (24) communicated on the outside of block (22) is connect, the left side of contiguous block (22) bottom is provided with the 3rd link (10), the connection Side of the bottom of disk (21) away from the 3rd link (10) is provided with the first link (7)；It is interspersed with the inside of the perforation (24) Bar (5), the inner side of the perforate (23) is movably installed with connecting plate (3) by bar (5), and the inside of the connecting plate (3) is set There is the through hole (31) for being easy to bar (5) to pass through, the part that the two ends of the bar (5) are located on the outside of contiguous block (22) is set with six Angle nut (6)；Right side at the top of the connecting plate (3) is provided with the second link (8), second link (8) and the first link (7) Between be connected with the first spring (9), the left side of the connecting plate (3) refers to (4) integrally formed with key pressure, the connecting plate (3) Bottom and key pressure refer to (4) intersection provided with the 4th link (11), between the 3rd link (10) and the 4th link (11) It is connected with second spring (12).

2. a kind of pneumatic clamping mechanism welded for automotive oil tank according to claim 1, it is characterised in that：It is described logical The diameter in hole (31) is adapted with the diameter of perforation (24), and the both sides of the perforate (23) are equipped with two limited blocks (25), two The position of the individual limited block (25) is located at the top and bottom of perforation (24), the outside correspondence at through hole (31) two ends respectively Limited block (25) position on the inside of perforate (23) is provided with stopper slot (32), and the stopper slot (32) is in fox shape structure, described spacing Block (25) is located on the inside of stopper slot (32).

3. a kind of pneumatic clamping mechanism welded for automotive oil tank according to claim 1, it is characterised in that：The qin Key pressure refers to the bottom of (4) left end and is provided with pressing plate (13) for compressing fuel tank outer barrel two ends welding position by bolt, described It is strip platy structure that key pressure, which refers to (4) with pressing plate (13),.