CN214350754U

CN214350754U - Automatic beat screw welding set

Info

Publication number: CN214350754U
Application number: CN202023334285.2U
Authority: CN
Inventors: 张玉强; 仲华; 叶列荣; 袁昌全
Original assignee: Cenwoy Automation Technology Shanghai Co Ltd
Current assignee: Cenwoy Automation Technology Shanghai Co Ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-10-08
Anticipated expiration: 2030-12-31

Abstract

The utility model provides an automatic beat screw welding set belongs to the machining field. The utility model provides a pair of automatic beat screw welding set, include: the bottom bracket is provided with a rotary table in the middle; the rotary table plate is arranged on the chassis support and is driven by the rotary table; the die fixing mechanism is detachably arranged on the rotary table disc and is used for fixing the die; the screw driving mechanism is arranged on one side of the bottom bracket and used for driving screws to the die; and the welding mechanism is arranged on one side of the bottom support and used for welding the die. The utility model relates to an automatic beat screw welding set can accomplish in one set of device and beat screw and weld twice process under the condition that does not need to carry the mould, has improved the machining efficiency of mould greatly.

Description

Automatic beat screw welding set

Technical Field

The utility model relates to the field of machining, concretely relates to automatic beat screw welding set.

Background

At present, when processing automobile parts such as door panels, a screw driving process is generally required to be performed first, and then a welding process is performed, wherein two or more welding guns are often required to be used to perform welding according to different welding sites. Therefore, in the prior art, in order to achieve screwing and welding of the door panel, a plurality of devices need to be used simultaneously, and the door panel needs to be transferred among the plurality of devices. However, the transfer between the apparatuses not only increases the workload of workers and prolongs the processing time, but also has a problem that the processing site is not accurately positioned after the transfer between the apparatuses.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a solve above-mentioned problem and go on, aim at provides can once only accomplish the automation of beating screw and welding step to the part of processing of generation and beat screw welding set.

The utility model provides an automatic beat screw welding set has such characteristic, include: the bottom bracket is provided with a rotary table in the middle; the rotary table plate is arranged on the chassis bracket and driven by the rotary table; the die fixing mechanism is detachably arranged on the rotary table disc and used for fixing a die; the screw driving mechanism is arranged on one side of the bottom bracket and is used for driving screws on the die; and the welding mechanism is arranged on one side of the bottom bracket and is used for welding the die.

The utility model provides an among the automatic screw welding set of beating, can also have such characteristic: wherein the bottom bracket further has: the middle part of the main bracket is provided with a rotary table; a plurality of feet arranged below the main bracket and used for supporting the main bracket; a plurality of rotating disk supports provided at the edge of the main support for supporting the rotating table disk; and the station detection sensor is arranged on the main bracket and used for detecting the position of the rotary table disc.

The utility model provides an among the automatic screw welding set of beating, can also have such characteristic: wherein, revolving stage dish includes: the table disc main body is sleeved on a rotating shaft of the rotating table; and a plurality of bearing parts formed on the table main body for bearing the mold fixing mechanism.

The utility model provides an among the automatic screw welding set of beating, can also have such characteristic: wherein, revolving stage dish still includes: and the plurality of partition plates are arranged between two adjacent bearing parts.

The utility model provides an among the automatic screw welding set of beating, can also have such characteristic: wherein, every bearing part includes: a pair of guide plates oppositely arranged on the table tray main body; at least one guide rail extending in the same direction as the guide plate, each guide assembly including a plurality of rollers arranged in the direction in which the guide plate extends; the positioning piece is used for positioning the die fixing mechanism; and the pressing piece is used for pressing the die fixing mechanism.

The utility model provides an among the automatic screw welding set of beating, can also have such characteristic: wherein, mould fixed establishment includes: the fixed bottom plate is provided with a positioning hole; the bottom die is formed on the upper surface of the fixed bottom plate, is matched with the shape of the die and is used for placing the die; the overturning pressing piece is arranged on the upper surface of the fixed bottom plate and used for pressing the die placed on the bottom die; and the compressing column is arranged on the lower surface of the fixed bottom plate and is used for being matched with the compressing piece.

The utility model provides an among the automatic screw welding set of beating, can also have such characteristic: wherein, the setting element includes: the positioning column is matched with the positioning hole in size; and the positioning cylinder is used for driving the positioning column to lift into the positioning hole or withdraw from the positioning hole.

The utility model provides an among the automatic screw welding set of beating, can also have such characteristic: wherein, compressing tightly the piece and including: the pressing plate is provided with a gap matched with the size of the pressing column; and the pressing cylinder is used for driving the pressing plate to move, so that the pressing column enters or exits the gap of the pressing plate.

The utility model provides an among the automatic screw welding set of beating, can also have such characteristic: wherein, mould fixed establishment includes: the fixed bottom plate is detachably arranged on the rotary table disc; the bottom die is formed on the upper surface of the fixed bottom plate, is matched with the shape of the die and is used for placing the die; and the overturning pressing piece is arranged on the upper surface of the fixed bottom plate and used for pressing the die placed on the bottom die.

The utility model provides an among the automatic screw welding set of beating, can also have such characteristic: wherein, welding mechanism includes: a robot having a rotatable joint; the welding head bracket is arranged on the rotatable joint; and the at least two welding guns are arranged on the welding head bracket.

Action and effect of the utility model

According to the utility model relates to an automatic beat screw welding set because have bottom support, revolving stage dish, mould fixed establishment, beat screw mechanism and welding mechanism, so, the utility model relates to an automatic beat screw welding set can accomplish in one set of device and beat screw and weld twice process under the condition that does not need to carry the mould, has improved the machining efficiency of mould greatly.

Drawings

Fig. 1 is a schematic structural view of an automatic screwing and welding device in an embodiment of the present invention;

fig. 2 is a top view of an automatic screwing and welding device according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a bottom bracket in an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a rotating table plate according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a bearing part in an embodiment of the present invention;

fig. 6 is a schematic structural view of a mold fixing structure in an embodiment of the present invention;

fig. 7 is a schematic view illustrating the installation of the fixing bottom plate and the supporting portion of the mold fixing mechanism according to the embodiment of the present invention;

FIG. 8 is a sectional view A-A of FIG. 7;

fig. 9 is a schematic structural diagram of a welding mechanism in an embodiment of the present invention;

fig. 10 is a schematic structural view of a gun head for welding a sheet rib in an embodiment of the present invention; and

fig. 11 is a schematic structural view of a torch head for plane welding according to an embodiment of the present invention.

Detailed Description

In order to make the technical means, creation features, achievement purposes and effects of the present invention easy to understand, the present invention is specifically described below with reference to the embodiments and the accompanying drawings.

< example >

Fig. 1 is a schematic structural view of an automatic screwing and welding device in an embodiment of the present invention; fig. 2 is a top view of an automatic screwing device according to an embodiment of the present invention.

As shown in fig. 1-2, the present embodiment provides an automatic screwing welding apparatus 100, comprising: bottom bracket 10, turntable 20, mold fixing mechanism 30, screw mechanism 40 and welding mechanism 50.

Fig. 3 is a schematic structural diagram of a bottom bracket in an embodiment of the present invention.

As shown in fig. 3, the bottom chassis 10 includes: the device comprises a main support 11, a rotary table 12, ground feet 13, a rotary disc support frame 14, a sensor mounting frame 15 and a station detection sensor 16.

The main bracket 11 is a rectangular frame in which two pairs of partition ribs are formed, one pair of the partition ribs being disposed in parallel with one pair of sides of the frame, and the other pair of the partition ribs being disposed in parallel with the other pair of sides of the frame.

The turntable 12 is installed in the center of the main stand 11, and is a servo turntable with its output shaft facing upward. In the present embodiment, the turntable 12 is a Weiss CR700C type turntable.

The anchor legs 13 have a plurality of bolt holes provided at the bottom of the main stand 11 for cooperating with the bolts to fix the main stand to the ground. In the present embodiment, the number of the feet 13 is 8, 4 of which are provided at four corners of the frame of the main stand 11, and 4 of which are provided at four staggered points of two pairs of partitioning ribs.

The rotating disc support frame 14 is in a column shape, is arranged at the upper part of the main support 11 and vertically extends upwards. The turntable support frame 14 serves to support the turntable platter 20 when the turntable platter 20 is not rotating. In this embodiment, the number of the rotating disc support frames 14 is 8, and the rotating disc support frames are respectively arranged on four sides of the main support 11 frame, and each side is uniformly provided with 2 rotating disc support frames 14.

The sensor mounting frame 15 is mounted on the rotating disc support frame 14 and is used for mounting the station detection sensor 16. In the present embodiment, the number of the sensor mounting brackets 15 is 2, and the sensor mounting brackets are respectively arranged on 2 rotating disk support frames 14 located on the same side.

The station detection sensor 16 is mounted on the rotary table support frame 14 through a sensor mounting frame 15 and is used for detecting the position of the rotary table plate 20. In this embodiment, the number of the station detection sensors 15 is 4, and each sensor mounting bracket 15 is provided with 2 station detection sensors. In the present embodiment, the station detection sensor 16 is a proximity sensor, and in other embodiments, other types of sensors may be used according to actual needs.

Fig. 4 is a schematic structural diagram of a rotating table plate according to an embodiment of the present invention.

As shown in fig. 4, the rotating table plate 20 includes: a table main body 21, a bearing portion 22, and a partition plate 23.

The table main body 21 is provided with a shaft hole in the middle, an electric slip ring is arranged in the shaft hole, and the table main body 21 is sleeved on the output shaft of the rotary table 12 through the electric slip ring, so that the table main body can be driven by the rotary table 12 to rotate along with the rotation of the output shaft of the rotary table 12.

Fig. 5 is a schematic structural diagram of the bearing part in the embodiment of the present invention.

As shown in fig. 4 to 5, the carrying portions 22 are formed on the upper surface of the tray main body 21, in this embodiment, the number of the carrying portions 22 is 4, and the carrying portions 22 correspond to 4 stations (a workpiece placing station, a screw striking station, a welding station, and a workpiece taking station), and when the rotary tray 20 rotates, the 4 carrying portions 22 rotate among the four stations. In other embodiments, more or fewer bearing portions 22 may be provided according to actual needs. The 4 bearing parts 22 are circumferentially and uniformly distributed on the upper surface of the table main body 21, and the included angle between two adjacent bearing parts 22 is 90 degrees.

As shown in fig. 5, each bearing portion 22 includes: a pair of guide plates 221, a guide slide rail 222, a positioning member 223, a pressing member 224, and a mold detection sensor 225.

A pair of guide plates 221 are provided in parallel on the upper surface of the deck main body 21, and the pair of guide plates 221 are provided oppositely. The guide plate 221 is for guiding the die fixing mechanism 30 to be set on the rotating table plate 20 in a correct posture.

The number of the guide rails 222 is 3, and the extension direction of the 3 guide rails 222 is the same as that of the guide plates 221, and the guide plates are uniformly distributed between the pair of guide plates 221.

The number of the positioning members 223 is 3, wherein two positioning members 223 are disposed at an end near the center of the tray main body 21 and the other is disposed at an end near the edge of the tray main body 21.

Each positioning member 223 includes a positioning column 223a and a positioning cylinder 223 b. The positioning column 223a has a cylindrical shape and is mounted on the table tray main body 21, and the positioning cylinder 223b is also mounted on the table tray main body 21 for driving the positioning column 223a to move in the vertical direction.

The pressing members 224 are 2 in number and are provided at an end close to the edge of the table main body 21. Each pressing member 224 includes a pressing plate 224a and a pressing cylinder 224 b. The pressing plate 224a has an arc-shaped notch and is mounted on the table main body 21. A pressing cylinder 224b is also mounted on the table main body 21 for driving the pressing plate 224a to move in the horizontal direction.

A mold detection sensor 225 is provided at one end near the center of the platen main body 21 for detecting whether the mold fixing mechanism 30 is mounted in place. In the present embodiment, the mold detection sensor 225 is a proximity sensor, and in other embodiments, other types of sensors may be selected according to actual requirements.

A partition plate 23 is vertically provided between the adjacent two bearing portions 22 for avoiding operational interference between the adjacent two bearing portions 22.

Fig. 6 is a schematic structural view of a mold fixing structure in an embodiment of the present invention.

As shown in fig. 6, the mold fixing mechanisms 30 are detachably mounted on the bearing portion 22 of the rotary table plate 20, each mold fixing mechanism 30 including: a fixed bottom plate 31, a bottom die 32, a turnover pressing frame 33 and a turnover cylinder 34.

Fig. 7 is a schematic view of the installation of the fixing bottom plate and the bearing part of the mold fixing mechanism in the embodiment of the present invention. Fig. 8 is a sectional view a-a of fig. 7.

As shown in fig. 7 to 8, the fixing base plate 31 includes: a fixed base plate body 311 and a hold-down post 312.

The fixed base plate main body 311 has a plurality of bolt holes and three positioning holes for use in cooperation with the positioning posts 223 a.

The pressing columns 312 are disposed at the bottom of the fixed base plate body 311, the number of the pressing columns is 2, and the size of the pressing columns matches with the arc-shaped gap of the pressing plate 224a, so that the pressing plate 224a can grasp the pressing columns to fix the fixed base plate body 311.

The bottom die 32 is provided on the upper surface of the fixed base plate 31 and fixed by bolts. The number and shape of the counter dies can be changed and exchanged according to the type of the die actually processed.

The turnover pressing frame 33 is rotatably installed on the fixed base plate 31 for pressing the mold against the bottom mold 32.

The overturning cylinder 34 is installed on the fixed base plate 31 and used for controlling the overturning of the overturning pressing frame 33.

The screwing mechanism 40 is installed at one side of the bottom bracket 10 for screwing the mold of the mold fixing mechanism 30 located at a specific position. In this embodiment, the screwing mechanism used is an Atlas brand model QMC41-250-I06 screw machine. In this embodiment, two identical screw machines are installed simultaneously, and the two screw machines can operate simultaneously according to actual needs, or only one of them can operate.

Fig. 9 is a schematic structural diagram of a welding mechanism according to an embodiment of the present invention.

The welding mechanism 50 is disposed at one side of the bottom bracket 10, and is adjacent to the screwing mechanism 40, and is used for welding the mold completing the screwing process.

Specifically, each welding mechanism 50 includes one robot, a horn holder 52, and two welding guns 53.

The robot has a rotatable joint 51, which rotatable joint 51 is controlled by the control system of the robot. In this embodiment, the rotatable joint 51 is a 360 ° rotatable joint.

The welding head holder 52 is a triangular holder, one side of which is fixed to the rotatable joint 51, and the other two sides of which are respectively provided with a welding gun.

The two welding guns are a fillet welding gun 53a and a flat surface welding gun 53b, respectively.

The welding gun 53a for fillet welding includes: an actuating cylinder 531, a buffer 532, a transducer 533, a horn mounting plate 534, a horn 535 for a bead weld, and a displacement sensor 536.

An actuating cylinder 531 is mounted on the horn carriage 52 for driving movement of the horn 534.

The horn mounting plate 534 is disposed on the push rod of the actuating cylinder 531.

The buffer 532 is mounted on the horn mounting plate 534 to reduce vibration given to the bead welding horn 535 when the air cylinder 531 is operated.

Fig. 10 is a schematic structural view of a gun head for welding a sheet rib according to an embodiment of the present invention.

The bead welding horn 535 is attached to the horn attachment plate 534, and as shown in fig. 10, the head of the bead welding horn 534 has a rectangular column shape and is used for welding the position of the bead.

The transducer 533 is provided on the rear portion of the horn 534 for fillet welding, and converts electric energy into ultrasonic waves and transmits the ultrasonic waves to the horn 535 to perform ultrasonic welding.

A displacement sensor 536 is mounted on the performing cylinder 531 for detecting the moving distance of the tab welding head 535.

The structure of the flat surface welding torch 53b is basically the same as that of the fillet welding torch 53a, and the difference is that a flat surface welding tip 537 is used only for the flat surface welding torch 53 b.

As shown in fig. 11, the head of the flat surface welding head 537 is flat and is used for welding a flat surface position.

The use method of the automatic screwing welding device 100 provided by the embodiment is as follows:

step 1, fixing a die to be processed on a die fixing mechanism 30;

step 2, placing the first mold fixing mechanism 30 with the mold on the bearing part 22 at a workpiece placing position by an operator, and after the mold detection sensor 225 detects that the mold fixing mechanism 30 is placed in position, starting to work the positioning part 223 and the pressing part 224 of the bearing part 22, so as to fix the mold fixing mechanism 30 on the bearing part 22;

step 3, the rotary table 12 starts to work, the rotary table disc 20 is driven to rotate by 90 degrees and then stops, the first mold fixing mechanism 30 rotates to a screw striking station along with the rotary table disc 20, the screw striking mechanism 40 performs a screw striking process on a mold to be machined, and meanwhile, an operator places a second mold fixing mechanism 30 fixed with a mold on a workpiece placing station;

step 4, the rotary table 12 continues to work, the rotary table disc 20 is driven to rotate by 90 degrees and then stops, the first die fixing mechanism 30 rotates to a welding station along with the rotary table disc 20, the welding mechanism 50 performs a welding process on a die to be machined, meanwhile, an operator places a third die fixing mechanism 30 fixed with a die on a workpiece placing station, the second die fixing mechanism 30 fixed with a die rotates to a screw striking station, and the screw striking mechanism 40 performs a screw striking process on the die to be machined on the second die fixing mechanism 30;

and 5, the rotary table 12 continues to work, the rotary table disc 20 is driven to rotate by 90 degrees and then stops, the first mold fixing mechanism 30 rotates to the workpiece taking station along with the rotary table disc 20, an operator takes out the first mold fixing mechanism 30, and the steps are repeated until all molds are machined.

Effects and effects of the embodiments

According to the automatic screwing welding device related to the embodiment, because the automatic screwing welding device is provided with the bottom support, the rotating table disc, the die fixing mechanism, the screwing mechanism and the welding mechanism, the automatic screwing welding device related to the embodiment can complete two processes of screwing and welding in one device under the condition that dies do not need to be carried, and the machining efficiency of the dies is greatly improved.

According to the automatic screw welding device related to the embodiment, the rotary table disc is adopted to drive the die fixing mechanism, so that the whole set of automatic screw welding device is distributed annularly instead of the traditional linear distribution, the occupied space of the device can be greatly saved, and the production efficiency is improved.

According to the automatic screwing welding device in the embodiment, because the adopted welding mechanism comprises the rotatable joint, the welding head bracket arranged on the rotatable joint and the two welding guns arranged on the welding head bracket, two types of welding can be realized by adopting one welding structure, the switching is simple, the form is reasonable, and the working beat is saved compared with other quick-change forms.

The above embodiments are preferred examples of the present invention, and are not intended to limit the scope of the present invention.

Claims

1. The utility model provides an automatic beat screw welding set for beat screw and welding to the mould, its characterized in that includes:

the bottom bracket is provided with a rotary table in the middle;

the rotary table disc is arranged on the bottom support and is driven by the rotary table;

the die fixing mechanism is detachably arranged on the rotary table disc and is used for fixing the die;

the screw driving mechanism is arranged on one side of the bottom bracket and used for driving screws to the die; and

and the welding mechanism is arranged on one side of the bottom support and used for welding the die.

2. The automated screw driving welding device according to claim 1, wherein:

wherein the bottom bracket further has:

the middle part of the main bracket is provided with the rotary table;

a plurality of feet arranged below the main bracket for supporting the main bracket;

a plurality of rotating disk supports provided at an edge of the main support for supporting the rotating table disk; and

and the station detection sensor is arranged on the main support and used for detecting the position of the rotary table disc.

3. The automated screw driving welding device according to claim 1, wherein:

wherein, the revolving stage dish includes:

the table disc main body is sleeved on the rotating shaft of the rotating table; and

and the bearing parts are formed on the table disc main body and used for bearing the die fixing mechanism.

4. The automated screw driving welding device according to claim 3, wherein:

wherein, the revolving stage dish still includes:

and the plurality of spacing plates are arranged between two adjacent bearing parts.

5. The automated screw driving welding device according to claim 3, wherein:

wherein each of the bearing parts includes:

a pair of guide plates oppositely arranged on the table tray main body;

at least one guide rail extending in the same direction as the guide plate, each guide rail including a plurality of rollers arranged in the direction in which the guide plate extends;

the positioning piece is used for positioning the die fixing mechanism; and

and the pressing piece is used for pressing the die fixing mechanism.

6. The automated screw driving welding device according to claim 5,

wherein, mould fixed establishment includes:

the fixed bottom plate is provided with a positioning hole;

the bottom die is formed on the upper surface of the fixed bottom plate, matched with the shape of the die and used for placing the die;

the overturning pressing piece is arranged on the upper surface of the fixed bottom plate and used for pressing the die placed on the bottom die; and

and the pressing column is arranged on the lower surface of the fixed base plate and is used for being matched with the pressing piece.

7. The automated screw driving welding device according to claim 6,

wherein, the setting element includes:

the positioning column is matched with the positioning hole in size; and

and the positioning cylinder is used for driving the positioning column to lift into the positioning hole or withdraw from the positioning hole.

8. The automated screw driving welding device according to claim 6,

wherein, the compressing member includes:

the pressing plate is provided with a gap matched with the size of the pressing column;

and the pressing cylinder is used for driving the pressing plate to move, so that the pressing column enters or exits the gap of the pressing plate.

9. The automated screw driving welding device according to claim 1,

wherein, mould fixed establishment includes:

the fixed bottom plate is detachably arranged on the rotary table disc;

the bottom die is formed on the upper surface of the fixed bottom plate, matched with the shape of the die and used for placing the die; and

and the overturning pressing piece is arranged on the upper surface of the fixed bottom plate and used for pressing the die placed on the bottom die.

10. The automated screw driving welding device according to claim 1,

wherein, welding mechanism includes:

a robot having a rotatable joint;

the welding head bracket is arranged on the rotatable joint;

at least two welding guns mounted on the welding head bracket.