CN217965410U

CN217965410U - Positioning mechanism for laser welding of water falling groove of white car body

Info

Publication number: CN217965410U
Application number: CN202222025255.6U
Authority: CN
Inventors: 毕鹏飞; 蔡敏; 赵明标
Original assignee: Shanghai Superior Die Technology Co Ltd
Current assignee: Shanghai Superior Die Technology Co Ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2022-12-06
Anticipated expiration: 2032-08-02

Abstract

The utility model provides a positioning mechanism for white automobile body groove laser welding that falls into water, including organism, upset arm, drive assembly, fix compact heap, the control assembly of setting on the organism and install the clamping component on the upset arm in upset arm bottom, the organism includes support, a plurality of bottom sprag and installs groove support piece and side wall planking support piece that falls into water on the bottom sprag, the support is articulated with the upset arm, drive assembly links to each other with the upset arm. In the utility model, the water falling groove and the side wall outer plate are respectively arranged on the water falling groove support piece and the side wall outer plate support piece, the turnover arm is driven by the driving component to turn over, and the pressing block at the bottom of the turnover arm is pressed on the lap joint surface of the water falling groove and the side wall outer plate; then control clamping assembly presss from both sides the lateral wall with the side wall planking tightly, guarantee laser welding's quality, avoid leading to the trunk of car to leak because of the welding quality problem that the location is not accurate to appear.

Description

Positioning mechanism for laser welding of water falling groove of white car body

Technical Field

The utility model relates to an automobile body production and processing equipment technical field especially relates to a positioning mechanism that is used for white automobile body groove laser welding that falls into water.

Background

The body-in-white refers to a body structure and panel weld assembly. The welding of the water falling groove of the white automobile body is a more complex and important welding procedure in the welding of the white automobile body. Poor welding quality easily causes water leakage of the trunk of the automobile. Therefore, the welding of the water falling groove is generally carried out by adopting a laser welding process. As shown in fig. 1, the quarter outer panel 13 has an outer panel bottom surface overlapping the gutter 12 and an outer panel side surface at a predetermined inclination angle. For laser welding, the bottom surface and the side surface of the water falling groove 12 and the bottom surface and the side surface of the side wall outer plate 13 are precisely positioned and welded, and a positioning mechanism of a tool directly influences the welding quality of the laser welding, so that the positioning mechanism is required to be safe and reliable, have competitive price and meet the positioning precision requirement of the laser welding.

SUMMERY OF THE UTILITY MODEL

In view of the above prior art's shortcoming, the to-be-solved technical problem of the utility model is to provide a positioning mechanism that is used for white automobile body groove laser welding that falls into water of location accurate, degree of automation is high, easy to overhaul.

In order to realize the above-mentioned purpose, the utility model provides a positioning mechanism for white automobile body groove in water laser welding, including organism, upset arm, drive assembly, fix the compact heap, the control assembly of setting on the organism and install the clamping component on the upset arm of upset arm bottom, the organism includes support, a plurality of bottom support and all installs groove support piece and the side wall planking support piece in water on the bottom support, the support is articulated with the upset arm, drive assembly links to each other with the upset arm, clamping component's driving source, drive assembly's driving source all are connected with the control assembly communication.

Preferably, the driving assembly comprises a motor and a transmission rod, one end of the transmission rod is hinged to a motor shaft of the motor, the other end of the transmission rod is hinged to the turnover arm, and the motor is in communication connection with the control assembly.

Preferably, the positioning mechanism for laser welding of the body-in-white water falling groove further comprises a safety pin assembly, the safety pin assembly is arranged on the support, a safety pin position sensor is arranged inside the safety pin assembly, and the safety pin position sensor is in communication connection with the control assembly.

Preferably, the positioning mechanism for laser welding of the body-in-white water falling groove further comprises a turnover arm position sensor arranged on any bottom support, and the turnover arm position sensor is in communication connection with the control assembly.

Preferably, the outer side of the support is also provided with a buffering limiting part upwards; when the overturning arm is in an overturning opening state, the overturning arm is abutted to the buffering limiting part.

Preferably, the positioning mechanism for laser welding of the body-in-white water falling groove further comprises a water falling groove locking member mounted on the bottom bracket, and the water falling groove locking member is arranged on the outer side of the water falling groove supporting member; and the driving source of the water falling groove locking piece is in communication connection with the control assembly.

Preferably, the bottom surface of the pressing block is matched with the water falling groove and the lap joint surface of the side wall outer plate.

Preferably, the overturning arm is further provided with a balancing weight.

Preferably, the clamping assembly comprises an outer plate outer wall clamping assembly and an outer plate inner wall clamping assembly, the outer plate outer wall clamping assembly and the outer plate inner wall clamping assembly are hinged to the turnover arm, an inner clamping block matched with the inner wall of the side wall outer plate is arranged on the outer plate inner wall clamping assembly, and an outer clamping block matched with the outer wall of the side wall outer plate is arranged on the outer plate outer wall clamping assembly.

As above, the utility model relates to a positioning mechanism for white automobile body groove laser welding that falls into water has following beneficial effect:

the utility model relates to a positioning mechanism for white automobile body groove in water laser welding places groove in water and side wall planking respectively on groove in water support piece and side wall planking support piece, and the control module starts drive assembly and drives the upset arm upset, and then presses the compact heap of upset arm bottom on the faying surface of groove in water, side wall planking; after the overturning arm overturns to the right place, the control assembly controls the clamping assembly to clamp the side wall of the side wall outer plate, so that the water falling groove and the side wall outer plate are in accurate positioning and overlapping, the quality of laser welding is ensured, and the water leakage of the trunk of the automobile caused by the welding quality problem caused by inaccurate positioning is avoided.

Drawings

Fig. 1 is a schematic view of the connection between the water falling groove and the side wall outer plate of the present invention;

FIG. 2 is a schematic view of a first angular space of a positioning mechanism for laser welding of a water falling groove of a body-in-white vehicle according to the present invention;

fig. 3 is a second angle space schematic diagram of the positioning mechanism for laser welding of the water falling groove of the body-in-white vehicle of the present invention.

Description of the element reference

1. A motor; 2. a transmission rod; 3. a turning arm; 301. a support; 4. a compression block; 5. buffering the limiting part; 6. a shear pin assembly; 7. a sink support; 8. a clamping assembly; 801. an outer plate outer wall clamping assembly; 802. an outer plate inner wall clamping assembly; 803. an outer clamping block; 804. an inner clamping block; 9. a bottom bracket; 901. a flip arm position sensor; 10. a downpipe groove locking member; 11. a side wall outer panel support; 12. a water falling groove; 13. side wall planking.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

It should be understood that the drawings of the present application are only used to match the contents disclosed in the specification, so as to be known and read by those skilled in the art, and not to limit the practical limitations of the present invention, so that the present application does not have any technical significance, and any modification of the structure, change of the ratio relationship, or adjustment of the size should still fall within the scope of the present application without affecting the function and the achievable purpose of the present application. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", and the like used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be considered as the scope of the present invention without substantial changes in the technical content.

As shown in fig. 2 and 3, the utility model provides a positioning mechanism for white automobile body groove laser welding that falls into water, which comprises a bod, upset arm 3, drive assembly, through the compact heap 4 of bolt fastening in upset arm 3 bottom, through the control assembly of bolt fastening on the organism, and install clamping component 8 on upset arm 3, the organism includes support 301, a plurality of bottom support 9, and all install the groove support piece 7 and the side wall planking support piece 11 that fall into water at bottom support 9 top, support 301 is articulated with upset arm 3, drive assembly links to each other with upset arm 3, clamping component 8's driving source, drive assembly's driving source all is connected with the control assembly communication.

The utility model relates to a positioning mechanism for white automobile body groove laser welding that falls into water, with groove 12, side wall planking 13 of falling into water respectively place on corresponding groove support piece 7, side wall planking support piece 11 of falling into water, then the control assembly sends the instruction to the driving source of drive assembly, makes upset arm 3 overturn through drive assembly, then the compact heap 4 of upset arm 3 bottom compresses tightly fixedly the horizontal faying surface of groove 12, side wall planking 13 of falling into water; the control assembly sends an instruction to a driving source of the clamping assembly 8, and the inner wall surface and the outer wall surface of the water falling groove 12 and the side wall outer plate 13 are clamped tightly through the clamping assembly 8 after being compressed, so that the connection surfaces of the water falling groove 12 and the side wall outer plate 13 are accurately positioned, and then the water falling groove 12 and the side wall outer plate 13 are welded together by laser welding, and the welding quality of the laser welding is ensured.

The utility model relates to a positioning mechanism for white automobile body groove laser welding that falls into water compresses tightly groove 12 and the horizontal faying face of side wall planking 13 through compact heap 4 of 3 bottoms of upset arm, and the internal face that will fall into water groove 12 and side wall planking 13 through clamping components 8, outer wall clamp tightly, then adopts laser welding to weld, has guaranteed laser welding's location, and the welded precision of assurance has improved the welded quality.

Preferably, as shown in fig. 2, the driving assembly includes a motor 1 and a transmission rod 2, one end of the transmission rod 2 is hinged to a motor shaft of the motor 1, the other end is hinged to the turning arm 3, and the motor 1 is in communication connection with the control assembly. In the present embodiment, the motor 1 is a servo motor, and the motor 1 is a driving source of the driving assembly.

Preferably, as shown in fig. 2, the positioning mechanism for laser welding the body-in-white water falling groove further comprises a safety pin assembly 6, the safety pin assembly 6 is arranged on the support base 301, and a safety pin position sensor is arranged inside the safety pin assembly 6 and is in communication connection with the control assembly. In this embodiment, the shear pin assembly 6 has two states, when the operator pulls out the shear pin, the shear pin position sensor detects the displacement of the shear pin, and the control line is disconnected; when the safety pin is installed back by an operator, the safety pin position sensor detects the homing of the safety pin, the control circuit is switched on, the equipment can be started, and the safety of the equipment and maintenance personnel during maintenance can be effectively ensured.

Preferably, as shown in fig. 3, the positioning mechanism for laser welding of the body-in-white water falling groove further includes a turning arm position sensor 901 disposed on any one of the bottom brackets 9, and the turning arm position sensor 901 is in communication connection with the control component. In this embodiment, the flipping arm position sensor 901 is disposed on the bottom bracket 9 under the edge of the flipping arm 3 for detecting whether the flipping arm 3 is flipped in place.

Preferably, as shown in fig. 2, a buffer stop 5 is further disposed on the outer side of the support 301, and when the turning arm 3 is in the turned open state, the turning arm 3 abuts against the buffer stop 5. In this embodiment, the buffering limiting member 5 is an oil pressure buffering device for preventing the overturning arm 3 from colliding with the support 301 when the overturning arm 3 is overturned to be opened. In other embodiments, the buffering limiting member 5 may be an elastic member.

Preferably, as shown in fig. 3, the positioning mechanism for laser welding of the body-in-white sink groove further comprises a sink groove locking member 10 mounted on the bottom bracket 9, the sink groove locking member 10 being disposed in an outer lateral direction of the sink groove support member 7; the driving source of the downpipe locking piece 10 is in communication connection with the control assembly.

Preferably, as shown in fig. 1 and 2, the bottom surface of the pressing block 4 matches with the horizontal overlapping surfaces of the water falling groove 12 and the side wall outer panel 13, and is used for pressing and positioning the horizontal overlapping surfaces of the water falling groove 12 and the side wall outer panel 13, so as to avoid positioning deviation between the water falling groove 12 and the side wall outer panel 13. Further, the turning arm 3 is also provided with a balancing weight.

Preferably, as shown in fig. 2 and 3, the clamping assembly 8 includes an outer plate outer wall clamping assembly 801 and an outer plate inner wall clamping assembly 802, both the outer plate outer wall clamping assembly 801 and the outer plate inner wall clamping assembly 802 are hinged to the overturning arm 3, an inner clamping block 804 matched with the inner wall of the side wall outer plate 13 is arranged on the outer plate inner wall clamping assembly 802, and an outer clamping block 803 matched with the outer wall of the side wall outer plate 13 is arranged on the outer plate outer wall clamping assembly 801. Further, in this embodiment, the outer plate outer wall clamping assembly 801 and the outer plate inner wall clamping assembly 802 are each formed by a beam arm, the middle bottom surface of the beam arm is hinged to the overturning arm 3, the inner clamping block 804 and the outer clamping block 803 are both disposed on the front end bottom surface of the beam arm, and the driving sources of the outer plate outer wall clamping assembly 801 and the outer plate inner wall clamping assembly 802 are both disposed on the beam arm above the hinged portion with the overturning arm 3, so that the beam arm forms a lever under the action of the driving sources. The right lower corner of the outer clamping block 803 at the bottom end of the outer plate outer wall clamping assembly 801 has an upward inclined slope, and the inclined slope is the same as the inclined angle of the outer wall of the side-wall outer plate 13; the upper left corner of the inner clamping block 804 at the bottom end of the outer panel inner wall clamping assembly 802 has an upward slope, which is the same as the inclination angle of the inner wall of the side wall outer panel 13. Further, a plurality of buffer stoppers 5 are further disposed on the bottom surfaces of the rear ends of the beam arms of the outer plate outer wall clamping assembly 801 and the outer plate inner wall clamping assembly 802, so as to prevent the outer plate outer wall clamping assembly 801 and the outer plate inner wall clamping assembly 802 from colliding with the flip arm 3 in the open state.

Preferably, in the embodiment, the sink-in-water groove locking member 10, the outer plate outer wall clamping assembly 801, and the outer plate inner wall clamping assembly 802 all use a rotary cylinder to achieve the positioning and clamping functions on the sink-in-water groove 12, the inner wall of the side-wall outer plate 13, and the outer wall of the side-wall outer plate 13, and the rotary cylinder is a driving source of the clamping assembly 8 and the sink-in-water groove locking member 10. Under the action of the control assembly, the driving source of the downpipe locking member 10 receives information, so that the downpipe locking member 10 rotates to press the downpipe 12 against the downpipe support 7; the outer plate outer wall clamping assembly 801 and the outer plate inner wall clamping assembly 802 are driven by a rotating shaft of a rotating cylinder in the middle of the outer plate outer wall clamping assembly 801 and the outer plate inner wall clamping assembly 802 to rotate around a hinge point of a cross beam arm and the turnover arm 3, so that an outer clamping block 803 and an inner clamping block 804 on the bottom surface of the front end of the cross beam arm move downwards to be pressed on the outer wall surface and the inner wall surface of the side wall outer plate 13 respectively, and positioning and clamping are performed.

The utility model relates to a positioning mechanism for laser welding of a white body water falling groove, when in an initial state, a turnover arm 3 is in an open state, and the turnover arm 3 is abutted against a buffering limiting part 5 on a support 301; the downspout retaining member 10, the outer panel outer wall clamping assembly 801, and the outer panel inner wall clamping assembly 802 are all in an open state. When the sink tank 12 and the side wall outer plate 13 are respectively placed on the sink tank support member 7 and the side wall outer plate support member 11 by the mechanical arm, the control assembly receives information to control the work of the sink tank locking member 10, the rotating cylinder of the sink tank locking member 10 rotates to press the sink tank 12 against the sink tank support member 7, then the motor 1 receives a control instruction of the control assembly, the motor 1 drives the transmission rod 2 to apply force to the turnover arm 3, the turnover arm 3 is turned over, meanwhile, the pressing block 4 presses the horizontal overlapping face of the sink tank 12 and the side wall outer plate 13, and the turnover arm position sensor 901 detects the position of the turnover arm 3 in real time and feeds detected information back to the control assembly. After the turnover arm 3 is turned in place, the control assembly controls the outer plate outer wall clamping assembly 801 and the rotary cylinder of the outer plate inner wall clamping assembly 802 to rotate, the outer clamping block 803 at the bottom of the outer plate outer wall clamping assembly 801 clamps the outer wall of the side wall outer plate 13, the inner clamping block 804 at the bottom of the outer plate inner wall clamping assembly 802 clamps the inner wall of the side wall outer plate 13, and then subsequent laser welding is carried out, so that accurate positioning between the water falling groove 12 and the side wall outer plate 13 is effectively guaranteed, and the welding quality is guaranteed. When the equipment needs to be overhauled and maintained, an operator pulls out the safety pin in the safety pin assembly 6, the safety pin position sensor detects the displacement of the safety pin, and the equipment line is disconnected; the safety pin is installed back to operating personnel after the overhaul is finished, the safety pin position sensor detects the homing of the safety pin, the equipment circuit is switched on, the equipment can be started, and the safety of the equipment and maintenance personnel during the maintenance can be effectively guaranteed.

The utility model relates to a positioning mechanism for laser welding of a water tank of a body-in-white vehicle, which compresses the horizontal overlapping surface of the water tank 12 and a side wall outer plate 13 through a compression block 4 at the bottom of a turnover arm 3; the sink body 12 is fixed on the sink body support 7 by the sink body locking member 10; through planking outer wall clamping component 801 and planking inner wall clamping component 802 respectively to the outer wall face of side wall planking 13, the internal wall face presss from both sides tight location, effectively guarantees the precision of faying face between side wall planking 13 and the groove 12 of falling into water, effectively guarantees the laser welding quality, and degree of automation is high.

To sum up, the utility model discloses effectively overcome all kinds of shortcomings among the prior art and had high industrial utilization value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a positioning mechanism that is used for white automobile body groove laser welding that falls into water which characterized in that: including organism, upset arm (3), drive assembly, fix compact heap (4) in upset arm (3) bottom, set up the control assembly on the organism and install clamping component (8) on upset arm (3), the organism includes support (301), a plurality of bottom support (9) and all installs groove support piece (7) and side wall planking support piece (11) that fall into water on bottom support (9), support (301) are articulated with upset arm (3), drive assembly links to each other with upset arm (3), the driving source of clamping component (8), drive assembly's driving source all are connected with the control assembly communication.

2. The positioning mechanism for laser welding of the body-in-white water falling groove according to claim 1, characterized in that: the driving assembly comprises a motor (1) and a transmission rod (2), one end of the transmission rod (2) is hinged to a motor shaft of the motor (1), the other end of the transmission rod is hinged to the turnover arm (3), and the motor (1) is in communication connection with the control assembly.

3. The positioning mechanism for laser welding of the body-in-white water falling groove according to claim 1, characterized in that: the safety pin assembly (6) is arranged on the support (301), a safety pin position sensor is arranged inside the safety pin assembly (6), and the safety pin position sensor is in communication connection with the control assembly.

4. The positioning mechanism for laser welding of the body-in-white water falling groove according to claim 1, characterized in that: the turnover mechanism is characterized by further comprising a turnover arm position sensor (901) arranged on any bottom support (9), wherein the turnover arm position sensor (901) is in communication connection with the control assembly.

5. The positioning mechanism for laser welding of the body-in-white water falling groove according to claim 1, characterized in that: the outer side of the support (301) is also provided with a buffering limiting part (5) upwards; when the overturning arm (3) is in an overturned opening state, the overturning arm (3) is abutted with the buffering limiting part (5).

6. The positioning mechanism for laser welding of the water falling groove of the body in white according to claim 1, characterized in that: the device also comprises a water falling groove locking piece (10) arranged on the bottom bracket (9), wherein the water falling groove locking piece (10) is arranged on the outer side of the water falling groove support piece (7); and a driving source of the water falling groove locking piece (10) is in communication connection with the control assembly.

7. The positioning mechanism for laser welding of the body-in-white water falling groove according to claim 1, characterized in that: the bottom surface of the pressing block (4) is matched with the lap joint surface of the water falling groove (12) and the side wall outer plate (13).

8. The positioning mechanism for laser welding of the body-in-white water falling groove according to claim 1, characterized in that: and the overturning arm (3) is also provided with a balancing weight.

9. The positioning mechanism for laser welding of the body-in-white water falling groove according to claim 1, characterized in that: the clamping assembly (8) comprises an outer plate outer wall clamping assembly (801) and an outer plate inner wall clamping assembly (802), the outer plate outer wall clamping assembly (801) and the outer plate inner wall clamping assembly (802) are hinged to the turnover arm (3), an inner clamping block (804) matched with the inner wall of the side wall outer plate (13) is arranged on the outer plate inner wall clamping assembly (802), and an outer clamping block (803) matched with the outer wall of the side wall outer plate (13) is arranged on the outer plate outer wall clamping assembly (801).