CN207577718U - A kind of robot band of fuel tank fixed welding tooling - Google Patents

Abstract

The utility model discloses a fuel tank fastening belt welding tool for a robot, which belongs to the technical field of welding tooling. The technical problem to be solved by the utility model is how to realize the precise placement and positioning of the fastening belt. The adopted technical scheme is as follows: The structure includes a frame, two ends of the frame are respectively provided with a spacer baffle, a lower pressing plate is arranged above the spacer baffle, and a pressing driving device is arranged on the lower side of the lower pressing plate. The pressing driving device includes a cylinder support base, a cylinder, and an active connection. Plate, drive plate, rotation positioning shaft and connecting shaft, the cylinder support base is arranged on the frame, the cylinder body is arranged on the cylinder support base and is hingedly connected with the cylinder support base, and the active connecting plate is arranged at the end of the cylinder piston rod and connected with the cylinder The piston rod of the cylinder is hingedly connected, the driving plate is arranged on one side of the lower side of the lower pressing plate and is in movable contact with the active connecting plate, and the rotation positioning shaft is arranged on the other side of the lower side of the lower pressing plate.

Description

Fuel tank fastening belt welding tool for robot

technical field

The utility model relates to the technical field of welding tooling, in particular to a welding tooling for a robot fuel tank fastening belt.

Background technique

The fuel tank of auto parts is generally fixed on the car by fastening straps and air tank brackets. In the prior art, the end of the fastening belt for fixing the fuel tank is mostly connected by plug welding joints. After drilling on one side, it is tightened by clamps and manually welded by hand-held welding handles. However, there are the following defects: the manual tightening welding method More traditional, only a single welding, the manual workload is too large, the production efficiency is low, and the welding quality is unstable. Robot welding has high efficiency, stable and reliable welding quality, and can realize multi-piece welding, but the control accuracy of the position of the solder joints is too high, so the product part welding tooling must realize the precise placement of product parts has become a core issue.

Contents of the invention

The technical task of the utility model is to provide a robot fuel tank fastening belt welding tool to solve the problem of how to realize the precise placement and positioning of the fastening belt.

The technical task of the utility model is realized in the following manner. A fuel tank fastening belt welding tool for a robot includes a frame. A spacer baffle is arranged at both ends of the frame, and a lower pressing plate is arranged above the spacer baffle. The lower side of the pressing plate is provided with a pressing driving device, which includes a cylinder supporting base, a cylinder, an active connecting plate, a driving plate, a rotating positioning shaft and a connecting shaft, the supporting base of the cylinder is set on the frame, and the cylinder body is set on the cylinder On the support base and hingedly connected with the cylinder support base, preferably the cylinder body and the cylinder support base are hingedly connected by a pin; the active connecting plate is arranged at the end of the cylinder piston rod and is hingedly connected with the cylinder piston rod, preferably the active connecting plate and the cylinder piston The rods are hingedly connected by pins; the drive plate is arranged on one side of the lower side of the lower pressure plate and is connected to the active connection plate in movable contact, and the rotation positioning shaft is arranged on the other side of the lower side of the lower pressure plate. Fixed connection; the connecting shaft is arranged at both ends of the rotating positioning shaft and is rotationally connected with the rotating positioning shaft. Preferably, the rotating positioning shaft and the connecting shaft are rotationally connected through bearings.

Preferably, a connection block is respectively provided on both sides of the frame, and the connection block is rotatably connected to the connection shaft, preferably the connection block and the connection shaft are rotatably connected through a bearing.

More preferably, the connecting block is provided with a photoelectric protection device to ensure the installation operation, and the photoelectric protection device adopts the photoelectric protection device commonly used in the prior art.

More preferably, the lower side of the lower platen is provided with a plurality of positioning groove stoppers, a positioning groove is formed between two adjacent positioning groove stoppers, and the positioning grooves are used to place the fastening belt to ensure accurate and convenient positioning of the fastening belt. Chamfers are provided on the stopper of the positioning groove to ensure that the fastening belt is accurately closed with the lower platen. The fastening belt is firmly fixed and the welding position is accurate. The positioning groove is provided with chamfers to ensure that the fastening belt is placed accurately.

More preferably, the rotation positioning shaft is fixedly connected with the lower pressing plate and a circular arc is arranged on the side of the rotating positioning shaft close to the positioning groove of the lower pressing plate. When the lower pressing plate drives the rotating positioning shaft to rotate, it drives the rotating positioning shaft when the lower pressing plate is tightly closed Turn, push the fastening belt to move to the final positioning position by rotating the circular arc on the positioning shaft.

As a preference, the frame is welded by square tubes to ensure that the frame is stable and light.

As a preference, the frame includes four beams arranged symmetrically up and down, the beams include fixed rods and telescopic rods, the fixed rods and the telescopic rods are socketed and connected, the length of the beams is adjustable, and the compression welding of fastening straps of different lengths is realized, saving cost.

More preferably, the fixed rod and the telescopic rod are locked by a locking handle, and the locking handle can use jackscrews.

As a preference, a working table is arranged between the two beams at the upper end of the frame, and the working table is a curved working table, which is consistent with the bending of the fastening belt, so as to ensure that the fastening belt is welded conveniently.

Compared with the prior art, the fuel tank fastening belt welding tooling for robots of the utility model has the following advantages:

(1) The utility model adopts the cylinder drive as the power source, and the active connection shaft transmission mode makes the compaction method more flexible, and drives the rotating positioning shaft to push the fastening belt for rapid positioning, which can easily and quickly make the workpieces placed consistently and ensure the fastening The stability of the position of the welding point after the belt is tightened and the accuracy of the robot welding point, and the photoelectric protection device is used to further ensure the safety and stability of the tooling on the basis of a substantial increase in the welding speed of the fastening belt;

(2) The lower pressing plates at both ends of the fastening belt are pressed down at the same time, and the apex of the circular arc of the rotating positioning shaft at both ends is used as the positioning point to ensure the stability of the pushing action and the stable dimensional accuracy after pressing down;

(3) The beam of the frame adopts a telescopic beam, which realizes the compression welding of fastening belts of different lengths, which saves manpower and material resources. At the same time, the frame is welded by square tubes to ensure that the frame structure is stable and light;

(4) The lower side of the lower pressure plate is provided with a positioning groove based on the width of the fastening belt of the fuel tank. When performing a pressing action, it can ensure that the fastening belt is inserted into the positioning groove of the pressure plate in order, and the positioning grooves on both sides of the positioning groove stop The block is provided with chamfers to realize the precise closing of the fastening belt with the lower pressure plate, ensuring the precise and controllable longitudinal placement of the fastening belts.

Therefore, the utility model has the characteristics of reasonable design, simple structure, easy processing, small size, convenient use, multi-purpose, etc., and thus has good popularization and use value.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is further described.

Accompanying drawing 1 is the structure schematic diagram of the welding frock for the fuel tank fastening belt used by the robot;

Accompanying drawing 2 is the structural representation of A direction in accompanying drawing 1;

Accompanying drawing 3 is the structural diagram of B direction in accompanying drawing 1;

Accompanying drawing 4 is the structural representation of lower pressing plate;

Accompanying drawing 5 is the structural representation of C direction in accompanying drawing 4;

Accompanying drawing 6 is the structural schematic diagram of the assembly of the lower pressing plate and the rotation positioning shaft.

In the figure: 1. frame, 2. spacer baffle, 3. lower pressure plate, 4. cylinder support base, 5. cylinder, 6. active connecting plate, 7. drive plate, 8. rotary positioning shaft, 9. connecting shaft , 10, connecting block, 11, positioning slot block, 12, positioning slot, 13, chamfering, 14, photoelectric protection device, 15, beam, 16, fixed rod, 17, telescopic rod, 18, locking handle, 19 , work surface, 20, fastening belt, 21, circular arc.

Detailed ways

Referring to the accompanying drawings and specific embodiments of the present utility model, the fuel tank fastening belt welding tool for the robot will be described in detail below.

In the present utility model, under the situation not described to the contrary, the orientation words used as "up, down, left, right" usually refer to the top, bottom, left, and right shown in 1 with reference to the accompanying drawings; "Outside" refers to inside and outside with respect to the outline of each part itself.

Example:

As shown in accompanying drawings 1, 2 and 3, the robot of the utility model uses a fuel tank fastening belt welding tool, and its structure includes a frame 1, and a connecting block 10 is respectively installed on both sides of the frame 1, and the connecting block 10 is connected to the connecting shaft 9 are connected by bearing rotation. A photoelectric protection device 14 is installed on the connection block 10 to ensure the installation operation. Frame 1 adopts the frame welded by square tubes to ensure that the frame is stable and light. Frame 1 includes four beams 15 symmetrically arranged up and down. The beams 15 include fixed rods 16 and telescopic rods 17. The fixed rods 16 and the telescopic rods 17 are socketed and connected. The length of the beams 15 is adjustable to realize the compression of fastening belts of different length Welding saves costs. The fixed rod 16 and the telescopic rod 17 are locked by a locking handle 18 . Worktable 19 is installed between the two beams 15 on the frame 1 upper end, and worktable 19 is a curved worktable matched with the fastening band. A spacer baffle 2 is installed at both ends of the frame 1, a lower pressure plate 3 is installed above the spacer baffle 2, and a compression drive device is installed on the lower side of the lower pressure plate 3. The compression drive device includes a cylinder support base 4, a cylinder 5, and an active connection. Plate 6, drive plate 7, rotation positioning shaft 8 and connecting shaft 9, the cylinder support base 4 is installed on the frame 1, the cylinder body of the cylinder 5 is installed on the cylinder support base 4 and is hingedly connected with the cylinder support base 4 through a pin shaft, The active connecting plate 6 is installed on the end of the piston rod of the cylinder 5 and is hingedly connected with the piston rod of the cylinder 5 through a pin shaft. The driving plate 7 is fixedly installed on the left side of the lower side of the lower pressure plate 3 and is connected with the active connecting plate 6 in movable contact, that is, the driving plate 7 and active connecting plate 6 can touch. Rotation and positioning shaft 8 is fixedly installed on the right side of the lower side of lower platen 3 by bolts, and connecting shaft 9 is installed at both ends of rotation and positioning shaft 8 and is rotatably connected with rotation and positioning shaft 8 through bearings.

As shown in accompanying drawing 4 and 5, there are a plurality of positioning groove stoppers 11 on the lower side of the lower platen 3, and a positioning groove 12 is formed between two adjacent positioning groove stoppers 11, and the positioning grooves 12 are used to place the fastening belt 20 to ensure that The positioning of the fastening belt 20 is accurate and convenient. The right side of the upper side of the positioning groove block 11 is provided with a chamfer 13 to ensure that the fastening belt 20 is accurately closed with the lower pressure plate 3. The fastening belt 20 is fixed firmly and the welding position is accurate. A chamfer 13 is provided on the positioning groove 12, that is, a chamfer 13 is provided on the right side of the upper side of the lower pressing plate 3 to ensure that the fastening belt 20 is placed accurately.

As shown in accompanying drawing 6, the rotation positioning shaft 8 is fixedly connected with the lower pressure plate 3 and the upper position of the right side of the rotation positioning shaft 8 is provided with an arc 21. When the lower pressure plate 3 drives the rotation positioning shaft 8 to rotate, the lower pressure plate 3 is tightly closed. At the same time, the rotating positioning shaft 8 is driven to rotate, and the circular arc 21 on the rotating positioning shaft 8 is used to push the fastening belt 20 to move to the final positioning position.

Specific working process:

(1) The operator stands in the front direction of the frame 1, and the cylinder 5 is in a contracted state, and puts the fastening belt 20 horizontally and sequentially on the work table 19;

(2) Position the fastening belt 20 close to the horizontal and vertical positions, move your hands away from the scanning area of the photoelectric protection device 14 and press the fastening belt 20 tightly;

(3), the rotating positioning shaft 8 starts to rotate and push, and the fastening belt 20 is compressed and then the robot finds a spot for welding;

(4), the cylinder 5 is in the open state, and the fastening belts 20 are removed in turn after the welding is completed, and the single-cycle action is completed.

Through the above specific implementation methods, those skilled in the art can easily realize the utility model. However, it should be understood that the present utility model is not limited to the specific implementation manners described above. On the basis of the disclosed embodiments, those skilled in the art can arbitrarily combine different technical features, so as to realize different technical solutions.

Except for the technical features described in the instructions, all are known technologies by those skilled in the art.

Claims (9)

1. a kind of robot band of fuel tank fixed welding tooling, which is characterized in that including rack, the both ends of rack are respectively arranged with One space separating board, space separating board top are provided with lower platen, compression driving device are provided on the downside of lower platen, compress driving device It is arranged on including cylinder supports pedestal, cylinder, active connecting plate, driving plate, rotated locating shaft and connecting shaft, cylinder supports pedestal In rack, cylinder block is arranged on cylinder supports pedestal and is articulated and connected with cylinder supports pedestal, and active connecting plate is arranged on Cylinder piston boom end and with cylinder piston rod be articulated and connected, driving plate be arranged at the side of lower platen downside and with activity Connecting plate movable contact connects, and rotated locating shaft is arranged at the opposite side of lower platen downside, and it is fixed that connecting shaft is arranged on rotation Position axis both ends and with rotated locating shaft be rotatablely connected.

2. robot according to claim 1 band of fuel tank fixed welding tooling, which is characterized in that the both sides of the rack A link block is respectively arranged with, link block is rotatablely connected with connecting shaft.

3. robot according to claim 2 band of fuel tank fixed welding tooling, which is characterized in that set on the link block It is equipped with photoelectric protector.

4. the robot band of fuel tank fixed welding tooling according to claims 1 or 2 or 3, which is characterized in that the pushing Plate downside is provided with multiple locating slot blocks, and locating slot is formed between adjacent two locating slots block, is set on locating slot block There is chamfering, chamfering is provided on locating slot.

5. robot according to claim 4 band of fuel tank fixed welding tooling, which is characterized in that the rotated locating shaft It is fixedly connected with lower platen and rotated locating shaft is provided with circular arc at the side of lower platen locating slot.

6. robot according to claim 1 band of fuel tank fixed welding tooling, which is characterized in that the rack use side The rack that pipe is welded.

7. robot according to claim 1 band of fuel tank fixed welding tooling, which is characterized in that the rack includes upper Under symmetrically arranged four crossbeams, crossbeam include fixed link and telescopic rod, fixed link and telescopic rod socket connection.

8. robot according to claim 7 band of fuel tank fixed welding tooling, which is characterized in that the fixed link and stretch Contracting bar is locked by set lever.

9. the robot band of fuel tank fixed welding tooling described according to claim 6 or 7, which is characterized in that in the rack Work top is provided between two crossbeams at end, work top is bending table face.