New energy automobile front bumper negative angle hole forming and ultrasonic welding support integrated equipment and control method of new energy automobile front bumper negative angle hole forming and ultrasonic welding support integrated equipment

Abstract

The invention discloses new energy automobile front bumper negative angle trepanning and ultrasonic welding support integrated equipment and a control method thereof.The new energy automobile front bumper negative angle trepanning and ultrasonic welding support integrated equipment comprises an equipment base used for positioning and assembling the whole equipment, and a cutting unit is detachably installed at the position, close to the center, of the top of the equipment base; the hole site cutting device is used for cutting hole sites of the front bumper. Cutting operation and welding operation are integrated, the upper surface of a workpiece is cut, then welding is conducted on the lower surface of the workpiece, the two operation structures cannot interfere with each other, the machining efficiency of the front bumper is improved, meanwhile, a rotary double-station machining mode is adopted in the equipment, and the machining efficiency is improved. The clamps of different vehicle types can be installed on double stations at the same time, single-vehicle-type cutting or double-vehicle-type switching cutting is decided according to needs, the device can be compatible with multiple vehicle types, and meanwhile investment of subsequent vehicle types is not affected.

Description

Technical Field

[0001] The present invention relates to the technical field of new energy vehicle applications, and in particular to an integrated device for negative angle opening and ultrasonic welding bracket of a front bumper of a new energy vehicle and a control method thereof. Background Art

[0002] There are currently 4 models in the Polar Fox N series. The front bumper shape of each model is inconsistent, and irregular LOGO light holes need to be cut on the surface of the front bumper, and the LOGO light bracket needs to be welded on the back of the front bumper.

[0003] According to the traditional process scheme, a set of laser cutting equipment is first needed to cut the LOGO light hole, and then a set of welding equipment is needed to weld the bracket. In the entire production process, not only is a large investment required, but two sets of cutting and welding equipment are also needed. In addition, the two sets of equipment require a large floor space of about 200 square meters, and the labor time utilization rate is not high. The front bumper needs to be placed in the two sets of equipment successively, wasting the handling time. Therefore, the present invention proposes an integrated device for negative-angle hole opening and ultrasonic welding bracket of a new energy vehicle front bumper and a control method thereof. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide an integrated device for negative-angle opening and ultrasonic welding bracket of a front bumper of a new energy vehicle and a control method thereof. By integrating the cutting operation and the welding operation together, the upper surface of the workpiece is cut, and then welding is performed from the lower surface of the workpiece, so that the two operating structures will not interfere with each other, thereby improving the processing efficiency of the front bumper. At the same time, a rotating double-station processing form is adopted inside the equipment, and fixtures of different vehicle models can be installed on the double station at the same time. Single-model cutting or double-model exchange cutting can be determined according to needs. It can be compatible with multiple vehicle models and does not affect the investment in subsequent vehicle models.

[0005] In order to solve the above technical problems, a technical solution adopted by the present invention is: to provide an integrated device for negative angle opening and ultrasonic welding bracket of a front bumper of a new energy vehicle, including a device base for positioning and assembling the entire device; A cutting unit, which is detachably mounted on the top of the equipment base near the center and is used to perform hole cutting operations on the front bumper; A double-station rotating table, which is detachably mounted on the top of the equipment base near the side wall and is used to rotate the front bumper that is fixedly mounted on the double station; Two cutting and welding fixtures, which are respectively bolted to two stations on the top of the double-station rotating table and are used to position and fix the front bumper to be processed; A connecting mechanism, which is divided into two parts and is bolted to the cutting and welding fixture and the double-station rotary table respectively, for providing a connection for control signals; A clamping mechanism, the clamping mechanism is bolted to the top of the cutting and welding fixture near the middle of the side wall, and is used to press and fix the front bumper; Three ultrasonic welding mechanisms, the three ultrasonic welding mechanisms are respectively bolted to the top of the ultrasonic welding mechanism near the middle, and are used to perform welding operations on the lower surface of the front bumper; A front bumper workpiece is mounted on the top of a cutting and welding fixture and is pressed by a clamping mechanism.

[0006] The present invention is further configured as follows: the cutting unit includes a mounting base installed on the top of the equipment base, the top of the mounting base is bolted to a column, the side wall of the column is fixedly connected to a controller, a side of the column away from the controller is fixedly connected to a robotic arm near the top, and a cutting head is installed on the end face of the robotic arm.

[0007] Through the above technical solution, the height of the robot arm can be set and fixed by using a column, and starting the robot arm can enable the cutting head on the end surface to perform a hole opening operation on the upper surface of the front bumper workpiece.

[0008] The present invention is further configured as follows: the double-station rotating table includes a rotating base, a rotating motor is fixedly connected to the bottom of the rotating base, the rotating motor is installed on the top of the cutting and welding tooling seat through a connecting seat connected to the bottom, a rotating screen is fixedly connected to the top center of the rotating base, and an auxiliary rotating disk is fixedly connected to the top center of the rotating screen.

[0009] Through the above technical solution, the rotating motor on the double-station rotating table is started, so that the rotating base cooperates with the auxiliary rotating disk to rotate 180 degrees on the equipment base, so that the cutting and welding tooling seats are located at the corresponding position of the cutting unit, and the two cutting and welding tooling seats are separated by a rotating screen, so that the machine processing and employee operation areas are not delayed, and work efficiency is improved.

[0010] The present invention is further configured as follows: a positioning plate is symmetrically fixedly connected to the top of the cutting and welding fixture near the side wall, a plurality of positioning blocks are fixedly connected to the top of the positioning plate, and a welding stabilizing frame is bolted to the opposite surfaces of the two positioning plates.

[0011] The above technical solution facilitates the positioning and placement of the front bumper workpiece, and the positioning blocks can be used to limit and fix the corners of the front bumper workpiece, and the welding parts of the front bumper workpiece can be stabilized by the welding stabilizing frame.

[0012] The present invention is further configured as follows: the connecting mechanism includes a sliding frame and a fixed frame, a connecting cylinder is bolted to the middle position of the side wall of the sliding frame, the connecting cylinder is installed on a double-station rotating table, a center sleeve and a center rod are respectively installed at the centers of the opposite surfaces of the sliding frame and the fixed frame, and the center sleeve and the center rod are correspondingly inserted and connected, and a signal interface A and a signal interface B are respectively installed near the corners of the opposite surfaces of the sliding frame and the fixed frame, and a plurality of the signal interfaces A are respectively correspondingly embedded electrically connected with a plurality of signal interfaces B, and the opposite surfaces of the sliding frame and the fixed frame are symmetrically fixedly connected with corresponding side rods and side sleeves that are snap-fitted together near the middle position of the side wall.

[0013] Through the above technical solution, the connecting cylinder in the connecting mechanism is started, which drives the sliding frame on the end face to slide, so that the multiple signal interfaces A on the sliding frame are inserted into the corresponding multiple signal interfaces B on the fixed frame, thereby realizing the docking of external signals with external signals, and the card frames A and B on the signal interface A and the signal interface B are connected with each other by mutual engagement, and the corresponding center rod and center sleeve are used to position and fix the center, and the side rods and side sleeves correspondingly inserted and positioned on the side are used to position and fix the side, so as to improve the stability of signal docking.

[0014] The present invention is further configured such that: corresponding card racks A and card racks B are respectively provided on opposite surfaces of the plurality of signal interfaces A and signal interfaces B for snap-fit ​​connection.

[0015] Through the above technical solution, the card holder A and the card holder B that are connected by snapping can be used to stably connect the signal interface A and the signal interface B, thereby preventing signal instability during use.

[0016] The present invention is further configured as follows: the bottom of the sliding frame is slidably connected to a slide rail installed on the double-station rotating table through a provided slide seat.

[0017] Through the above technical solution, when the sliding frame is pushed, it can slide stably, thereby facilitating stable docking.

[0018] The present invention is further configured as follows: the clamping mechanism comprises a clamping frame, one end face of the clamping frame is bolted to a symmetrically arranged driving cylinder, and the other end of the clamping frame is cooperatively connected to a limiting assembly; The limiting assembly includes a matching plate installed on a cutting and welding fixture seat, a bending plate is symmetrically fixedly connected to the top of the matching plate near the side wall, the side walls of the two bending plates are bolted to the limiting cylinders, the end faces of the two limiting cylinders are pressed against the bent end faces of the clamping frame through protective sleeves, a plurality of clamping cylinders are fixedly connected to the middle portion of the top of the matching plate, and blocks are fixedly connected to the top of the matching plate and the corresponding positions of the driving rods of the plurality of clamping cylinders, and the end faces of the driving rods of the plurality of clamping cylinders press the bottom edge of the front bumper workpiece against the block through the protective sleeve.

[0019] Through the above technical scheme, the driving cylinder in the clamping mechanism is started, and its driving rod drives the connected clamping frame to flip so that it can press the top of the front bumper workpiece. At the same time, the limiting cylinder on the matching plate is started, and the end face of its driving rod passes through the limiting hole at the bend of the end face of the clamping frame to fix the front bumper workpiece. In addition, multiple clamping cylinders are started, and their driving rods press the bottom edge of the front bumper workpiece against the block through the protective cover on the end face, thereby reinforcing the front bumper workpiece.

[0020] The present invention is further configured as follows: the ultrasonic welding mechanism comprises an adjusting cylinder installed in the middle of a cutting and welding fixture seat, the end face of a driving rod of the adjusting cylinder is bolted to an adjusting plate, the bottom of the adjusting plate is slidably connected to the top of the cutting and welding fixture seat, the top of the adjusting plate is bolted to three mounting posts, the tops of the three mounting posts are all cooperatively connected to adjusting heads, the end faces of the three adjusting heads are bolted to positioning cylinders, the end faces of driving rods of the three positioning cylinders are all fixedly connected to connecting plates, the side walls of the three connecting plates are bolted to ultrasonic welding heads, and protective components are symmetrically arranged on the top of the cutting and welding fixture seat and located in front and behind the adjusting plate; The protection component comprises a fixing block installed on the top of the cutting and welding fixture seat, a protection rod is provided through the middle of the fixing block, and a rubber sleeve is fixedly connected to the end surface of the protection rod.

[0021] Through the above technical solution, the adjusting cylinder in the ultrasonic welding mechanism at the bottom is started, and its driving rod drives the adjusting plate to slide, and makes multiple ultrasonic welding parts move to corresponding positions, and is limited and protected by the rubber sleeve on the end face of the protective rod inside the protective component. Then, the adjusting head adjusted on the mounting column is used to stabilize the positioning cylinder, and the positioning cylinder is started. Its driving rod drives the ultrasonic welding head on the connecting plate to move, and the lower surface of the front bumper workpiece is welded under the action of the welding stabilizing frame.

[0022] On the other hand, a control method for an integrated device of a negative angle opening and an ultrasonic welding bracket for a front bumper of a new energy vehicle is provided, comprising the following steps: S1. First, select the cutting and welding fixture according to the type of the front bumper workpiece, and install it on the double-station rotary table; S2, then start the connection cylinder in the connection mechanism, which drives the sliding frame on the end surface to slide, so that the multiple signal interfaces A on the sliding frame are inserted into the corresponding multiple signal interfaces B on the fixed frame, so as to achieve the docking of external signals with external signals, and use the card frame A and the card frame B on the signal interface A and the signal interface B to engage with each other, and use the corresponding central rod and central sleeve to position and fix the center, and use the side rod and side sleeve inserted and positioned on the side to position and fix, so as to improve the stability of signal docking; S3, then placing the front bumper workpiece on the top of the cutting and welding fixture, and using multiple internal positioning blocks to pre-position and fix it, and using a welding stabilizing frame to stabilize the welding part of the front bumper workpiece; S4, then start the driving cylinder in the clamping mechanism, and its driving rod drives the connected pressing frame to flip, so that it presses the top of the front bumper workpiece, and at the same time start the limiting cylinder on the matching plate, and the end face of its driving rod passes through the limiting hole at the bending part of the end face of the pressing frame to fix the front bumper workpiece, and start multiple clamping cylinders, and their driving rods press the bottom edge of the front bumper workpiece against the block through the protective sleeve of the end face, so as to achieve the reinforcement of the front bumper workpiece; S5. Then start the rotating motor on the double-station rotating table to rotate the rotating base 180 degrees on the equipment base, so that the cutting and welding tooling seat is located at the corresponding position of the cutting unit, and use a rotating screen to separate the two cutting and welding tooling seats, so that the machine processing and employee operation areas are not delayed, and the work efficiency is improved; S6. Then, the robot arm is started through the controller, which drives the cutting head on the end face to perform a hole-making operation on the upper surface of the front bumper workpiece, and after the hole-making operation, the adjusting cylinder in the ultrasonic welding mechanism at the bottom is started, and its driving rod drives the adjusting plate to slide, and makes the multiple ultrasonic welding parts move to corresponding positions, and the rubber sleeve on the bag surface of the protective rod inside the protective component is used for position limiting protection, and then the positioning cylinder is stabilized by using the adjusted adjusting head on the mounting column, and the positioning cylinder is started, and its driving rod drives the ultrasonic welding head on the connecting plate to move, and the lower surface of the front bumper workpiece is welded under the action of the welding stabilizing frame; S7. Finally, after the cutting and welding operation, the rotating motor inside the double-station rotary table is used to rotate and exchange the two stations, thereby realizing uninterrupted cycle operation of the double stations and improving the efficiency of the entire production and processing.

[0023] The beneficial effects of the present invention are as follows: 1. The negative angle hole opening and ultrasonic welding bracket integrated equipment and control method of the front bumper of new energy vehicles proposed by the present invention integrate cutting operation and welding operation together, cut the upper surface of the workpiece, and then weld from the lower surface of the workpiece, so that the two operation structures will not interfere with each other, thereby improving the processing efficiency of the front bumper; 2. The present invention proposes an integrated device for negative-angle hole opening and ultrasonic welding bracket of a new energy vehicle front bumper and a control method thereof. By adopting a rotating double-station processing form inside the device, different vehicle model fixtures can be installed on the double station at the same time. Single-model cutting or double-model exchange cutting can be determined according to needs. It can be compatible with multiple models without affecting the investment in subsequent models. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a first structural diagram of an integrated device for negative angle opening and ultrasonic welding bracket of a front bumper of a new energy vehicle and a control method thereof according to the present invention; Figure 2 This is a second structural diagram of an integrated device for negative angle opening and ultrasonic welding bracket of a front bumper of a new energy vehicle and a control method thereof according to the present invention; Figure 3 It is a first structural diagram of a double-station rotating table in an integrated device for negative-angle hole opening and ultrasonic welding bracket of a front bumper of a new energy vehicle and a control method thereof according to the present invention; Figure 4 It is a second structural diagram of a double-station rotating table in an integrated device for negative-angle opening and ultrasonic welding bracket of a front bumper of a new energy vehicle and a control method thereof of the present invention; Figure 5 This is a workpiece assembly structure diagram of an integrated device for negative angle opening and ultrasonic welding bracket of a new energy vehicle front bumper and a control method thereof according to the present invention; Figure 6 It is an assembly diagram of a cutting and welding fixture in an integrated device for negative angle opening and ultrasonic welding bracket of a front bumper of a new energy vehicle and a control method thereof of the present invention; Figure 7 It is a structural diagram of a cutting and welding fixture in an integrated device for negative angle opening and ultrasonic welding bracket of a front bumper of a new energy vehicle and a control method thereof of the present invention; Figure 8 This is a first structural diagram of a connecting mechanism in an integrated device for negative angle opening and ultrasonic welding bracket of a front bumper of a new energy vehicle and a control method thereof according to the present invention; Fig. 9 This is a second structural diagram of a connecting mechanism in an integrated device for negative angle opening and ultrasonic welding bracket of a front bumper of a new energy vehicle and a control method thereof according to the present invention; Fig.10This is a structural diagram of a clamping mechanism in an integrated device for negative angle opening and ultrasonic welding bracket of a front bumper of a new energy vehicle and a control method thereof according to the present invention; Fig.11 It is a first structural diagram of an ultrasonic welding mechanism in an integrated device for negative angle opening and ultrasonic welding bracket of a front bumper of a new energy vehicle and a control method thereof according to the present invention; Fig.12 This is the second structural diagram of the ultrasonic welding mechanism in the integrated device of negative angle opening and ultrasonic welding bracket of the front bumper of a new energy vehicle and the control method thereof according to the present invention.

[0025] In the figure: 1. Equipment base; 2. Cutting unit; 21. Mounting base; 22. Column; 23. Controller; 24. Robotic arm; 25. Cutting head; 3. Double-station rotating table; 31. Rotating base; 32. Rotating motor; 33. Connecting seat; 34. Rotating screen; 35. Auxiliary rotating disk; 4. Cutting and welding tooling seat; 41. Positioning plate; 42. Positioning block; 43. Welding stabilizing frame; 5. Connecting mechanism; 51. Sliding frame; 511. Connecting cylinder; 512. Center sleeve; 513. Signal interface A; 5131. Card frame A; 514. Side rod; 52, fixing frame; 521, center rod; 522, signal interface B; 5221, card holder B; 523, side sleeve; 6. Clamping mechanism; 61. Pressing frame; 62. Driving cylinder; 63. Matching plate; 631. Bending plate; 632. Limiting cylinder; 633. Clamping cylinder; 634. Stopper; 7. Ultrasonic welding mechanism; 71. Adjusting cylinder; 72. Adjusting plate; 73. Mounting column; 74. Adjusting head; 75. Positioning cylinder; 76. Connecting plate; 77. Ultrasonic welding head; 78. Protective assembly; 781. Fixing block; 782. Protective rod; 783. Rubber sleeve; 8. Front bumper workpiece. DETAILED DESCRIPTION

[0026] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0027] like Figure 1 and Figure 2As shown, a new energy vehicle front bumper negative angle hole opening and ultrasonic welding bracket integrated equipment and a control method thereof, including an equipment base 1, used for positioning and assembling the entire equipment, a cutting unit 2, the cutting unit 2 is detachably mounted on the top of the equipment base 1 near the center, and is used for cutting holes in the front bumper, the cutting unit 2 includes a mounting base 21 mounted on the top of the equipment base 1, the top of the mounting base 21 is bolted to a column 22, the side wall of the column 22 is fixedly connected to a controller 23, a side of the column 22 away from the controller 23 is fixedly connected to a mechanical arm 24 near the top position, the end face of the mechanical arm 24 is installed with a cutting head 25, the use of the column 22 can set and fix the height of the mechanical arm 24, and starting the mechanical arm 24 can enable the cutting head 25 on the end face to perform a hole opening operation on the upper surface of the front bumper workpiece 8.

[0028] like Figure 3 and Figure 4 As shown, the double-station rotating table 3 is detachably installed on the top of the equipment base 1 near the side wall, and is used to rotate the front bumper fixedly installed on the double station. The double-station rotating table 3 includes a rotating base 31, and a rotating motor 32 is fixedly connected to the bottom of the rotating base 31. The rotating motor 32 is installed on the top of the cutting and welding tool seat 4 through a connecting seat 33 connected to the bottom. A rotating screen 34 is fixedly connected to the top center of the rotating base 31, and an auxiliary rotating disk 35 is fixedly connected to the top center of the rotating screen 34. The rotating motor 32 on the double-station rotating table 3 is started, so that the rotating base 31 cooperates with the auxiliary rotating disk 35 to rotate 180 degrees on the equipment base 1, so that the cutting and welding tool seat 4 is located at the corresponding position of the cutting unit 2, and the rotating screen 34 is used to separate the two cutting and welding tool seats 4, so that the machine processing and employee operation areas are not delayed, and the work efficiency is improved.

[0029] like Figure 5-Figure 7 As shown, two cutting and welding fixtures 4 are bolted to two stations on the top of the double-station rotating table 3, respectively, and are used to position and fix the front bumper that needs to be processed. A positioning plate 41 is symmetrically fixedly connected to the top of the cutting and welding fixture 4 near the side wall, and a plurality of positioning blocks 42 are fixedly connected near the top of the positioning plate 41. A welding stabilizing frame 43 is bolted to the opposite surfaces of the two positioning plates 41, which is convenient for positioning and placing the front bumper workpiece 8. The positioning blocks 42 can be used to limit and fix the corners of the front bumper workpiece 8, and the welding stabilizing frame 43 is used to stabilize the welding parts of the front bumper workpiece 8. The front bumper workpiece 8 is installed on the top of the cutting and welding fixture 4 and is pressed by the clamping mechanism 6.

[0030] like Figure 8 and Fig. 9As shown, the connecting mechanism 5 is divided into two parts, and is respectively bolted to the cutting and welding fixture 4 and the double-station rotary table 3, for providing docking of control signals. The connecting mechanism 5 includes a sliding frame 51 and a fixed frame 52. The bottom of the sliding frame 51 is slidably connected to the slide rail installed on the double-station rotary table 3 through a set slide seat, so that when the sliding frame 51 is pushed, it can slide stably, thereby facilitating stable docking. The middle position of the side wall of the sliding frame 51 is bolted with a connecting cylinder 511, and the connecting cylinder 511 is installed at On the double-station rotary table 3, a center sleeve 512 and a center rod 521 are respectively installed at the centers of the opposite surfaces of the sliding frame 51 and the fixed frame 52, and the center sleeve 512 and the center rod 521 are correspondingly inserted and connected. A signal interface A513 and a signal interface B522 are respectively installed near the corners of the opposite surfaces of the sliding frame 51 and the fixed frame 52. The opposite surfaces of the plurality of signal interfaces A513 and the signal interface B522 are respectively provided with corresponding card frames A5131 and card frames B5221 connected in a snap-fit ​​manner, so as to facilitate the use of the card frames A5131 and card frames connected in a snap-fit ​​manner. The frame B5221 enables the signal interface A513 and the signal interface B522 to be stably connected to prevent the signal from being unstable during use. The multiple signal interfaces A513 are respectively connected to the multiple signal interfaces B522 in a corresponding embedded electrical connection. The opposite surfaces of the sliding frame 51 and the fixed frame 52 are symmetrically fixedly connected with the corresponding side rods 514 and side sleeves 523 near the middle of the side wall. The connecting cylinder 511 in the connecting mechanism 5 is started, which drives the sliding frame 51 on the end surface to slide, so that the sliding frame The multiple signal interfaces A513 on 51 are inserted into the corresponding multiple signal interfaces B522 on the fixed frame 52, so as to realize the docking of external signals with external signals, and the card frame A5131 and the card frame B5221 on the signal interface A513 and the signal interface B522 are mutually engaged and connected, and the corresponding center rod 521 and center sleeve 512 are used to position and fix the center, and the side rod 514 and side sleeve 523 inserted and positioned on the side are used to position and fix the side, so as to improve the stability of signal docking.

[0031] like Fig.10 As shown, the clamping mechanism 6 is bolted to the top of the cutting and welding fixture 4 near the middle of the side wall, and is used to clamp and fix the front bumper. The clamping mechanism 6 includes a clamping frame 61, and one end surface of the clamping frame 61 is bolted to a symmetrically arranged driving cylinder 62. When the driving cylinder 62 in the clamping mechanism 6 is started, its driving rod drives the connected clamping frame 61 to flip, so that it can clamp the top of the front bumper workpiece 8; The other end of the clamping frame 61 is connected to a limit position assembly, which includes a matching plate 63 installed on the cutting and welding fixture seat 4. The top of the matching plate 63 is symmetrically fixedly connected with a bending plate 631 near the side wall. The side walls of the two bending plates 631 are bolted to the limit position cylinder 632. The end faces of the two limit position cylinders 632 are pressed against the end face bending of the clamping frame 61 through a protective sleeve. A plurality of clamping cylinders 633 are fixedly connected to the middle position of the top of the matching plate 63. The top of the matching plate 63 corresponds to the driving rods of the plurality of clamping cylinders 633. The positions are all fixedly connected with blocks 634, and the end faces of the driving rods of the multiple clamping cylinders 633 press the bottom edge of the front bumper workpiece 8 against the block 634 through the protective cover, and the limiting cylinder 632 on the matching plate 63 is started, and the end face of the driving rod thereof passes through the limiting hole at the bending part of the end face of the clamping frame 61 to fix the front bumper workpiece 8, and the multiple clamping cylinders 633 are started, and the driving rod thereof presses the bottom edge of the front bumper workpiece 8 against the block 634 through the protective cover on the end face, thereby realizing the reinforcement of the front bumper workpiece 8.

[0032] like Fig.11 and Fig.12 As shown, three ultrasonic welding mechanisms 7 are respectively bolted to the top of the ultrasonic welding mechanism 7 near the middle position, and are used to perform welding operations on the lower surface of the front bumper. The ultrasonic welding mechanism 7 includes an adjusting cylinder 71 installed in the middle position of the cutting and welding fixture seat 4. The end surface of the driving rod of the adjusting cylinder 71 is bolted to an adjusting plate 72. The bottom of the adjusting plate 72 is slidably connected to the top of the cutting and welding fixture seat 4. The top of the adjusting plate 72 is bolted to three mounting columns 73. The tops of the three mounting columns 73 are all matched and connected with adjusting heads 74. The end surfaces of the three adjusting heads 74 are bolted to positioning cylinders 75. The three positioning cylinders 75 are bolted to the end surfaces of the three adjusting heads 74. The end faces of the driving rods of the cylinders 75 are fixedly connected with the connecting plates 76, and the side walls of the three connecting plates 76 are bolted with ultrasonic welding heads 77. The adjusting cylinder 71 in the ultrasonic welding mechanism 7 at the bottom is started, and its driving rod drives the adjusting plate 72 to slide, and makes the multiple ultrasonic welding parts move to the corresponding positions. Then, the adjusting head 74 adjusted on the mounting column 73 is used to stabilize the positioning cylinder 75, and the positioning cylinder 75 is started, and its driving rod drives the ultrasonic welding head 77 on the connecting plate 76 to move, and the lower surface of the front bumper workpiece 8 is welded under the action of the welding stabilizing frame 43; A protective assembly 78 is symmetrically arranged at the top of the cutting and welding fixture seat 4 and at the front and rear positions of the adjustment plate 72. The protective assembly 78 includes a fixed block 781 installed on the top of the cutting and welding fixture seat 4. A protective rod 782 is penetrated through the middle of the fixed block 781. The end face of the protective rod 782 is fixedly connected with a rubber sleeve 783, and the protective rod 782 inside the protective assembly 78 is protected by a limit position under the action of the rubber sleeve 783 on the end face of the protective rod 782.

[0033] like Figure 1-Figure 12 As shown, a control method for an integrated device of a negative angle opening and an ultrasonic welding bracket for a front bumper of a new energy vehicle comprises the following steps: S1. First, select the cutting and welding tool holder 4 according to the type of the front bumper workpiece 8, and install it on the double-station rotary table 3; S2, then start the connection cylinder 511 in the connection mechanism 5, which drives the sliding frame 51 on the end surface to slide, so that the multiple signal interfaces A513 on the sliding frame 51 are inserted into the corresponding multiple signal interfaces B522 on the fixed frame 52, so as to achieve the docking of external signals with external signals, and use the card frame A5131 and the card frame B5221 on the signal interface A513 and the signal interface B522 to engage with each other, and use the corresponding central rod 521 and central sleeve 512 to position and fix the center, and use the side rod 514 and side sleeve 523 inserted and positioned on the side to improve the stability of signal docking; S3, then the front bumper workpiece 8 is placed on the top of the cutting and welding fixture 4, and the plurality of internal positioning blocks 42 are used to pre-position and fix it, and the welding position of the front bumper workpiece 8 is stabilized by the welding stabilizing frame 43; S4, then start the driving cylinder 62 in the clamping mechanism 6, and its driving rod drives the connected pressing frame 61 to flip, so that it presses the top of the front bumper workpiece 8, and at the same time start the limiting cylinder 632 on the matching plate 63, and the end face of its driving rod passes through the limiting hole at the bending part of the end face of the pressing frame 61 to fix the front bumper workpiece 8, and start multiple clamping cylinders 633, and their driving rods press the bottom edge of the front bumper workpiece 8 against the stopper 634 through the protective sleeve of the end face, so as to achieve the reinforcement of the front bumper workpiece 8; S5, then start the rotating motor 32 on the double-station rotating table 3, so that the rotating base 31 rotates 180 degrees on the equipment base 1, so that the cutting and welding tool seat 4 is located at the corresponding position of the cutting unit 2, and the two cutting and welding tool seats 4 are separated by a rotating screen 34, so that the machine processing and the employee operation area are not delayed, and the work efficiency is improved; S6, then the robot arm 24 is started through the controller 23, which drives the cutting head 25 on the end face to perform a hole-making operation on the upper surface of the front bumper workpiece 8, and after the hole-making operation, the adjusting cylinder 71 in the ultrasonic welding mechanism 7 at the bottom is started, and its driving rod drives the adjusting plate 72 to slide, and makes the multiple ultrasonic welding parts move to corresponding positions, and the protective rod 782 inside the protective assembly 78 is used for position limiting protection under the action of the rubber sleeve 783 on the bag surface, and then the positioning cylinder 75 is stabilized by the adjusted adjusting head 74 on the mounting column 73, and the positioning cylinder 75 is started, and its driving rod drives the ultrasonic welding head 77 on the connecting plate 76 to move, and the lower surface of the front bumper workpiece 8 is welded under the action of the welding stabilizing frame 43; S7. Finally, after the cutting and welding operation, the rotary motor 32 inside the double-station rotary table 3 is used to rotate and exchange the two stations, thereby realizing uninterrupted cycle operation of the double stations and improving the efficiency of the entire production and processing.

[0034] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An integrated device for negative angle opening and ultrasonic welding bracket of front bumper of new energy vehicle, characterized in that: include The device base (1) is used to position and assemble the entire device; A cutting unit (2), the cutting unit (2) being detachably mounted on the top of the device base (1) near the center, and being used for cutting holes in the front bumper; A double-station rotating platform (3), the double-station rotating platform (3) being detachably mounted on the top of the equipment base (1) near the side wall, and being used to rotate the front bumper fixedly mounted on the double station; Two cutting and welding tool seats (4), the two cutting and welding tool seats (4) are respectively bolted to two workstations on the top of the double-workstation rotating table (3) and are used to position and fix the front bumper to be processed; A connecting mechanism (5), the connecting mechanism (5) is divided into two parts, and is respectively bolted to the cutting and welding fixture (4) and the double-station rotary table (3), and is used to provide a connection for control signals; A clamping mechanism (6), the clamping mechanism (6) being bolted to the top of the cutting and welding fixture seat (4) near the middle of the side wall and used for pressing and fixing the front bumper; Three ultrasonic welding mechanisms (7), the three ultrasonic welding mechanisms (7) being respectively bolted to the top of the ultrasonic welding mechanism (7) near the middle, and used to perform welding operations on the lower surface of the front bumper; A front bumper workpiece (8), wherein the front bumper workpiece (8) is mounted on the top of a cutting and welding tool seat (4) and is pressed by a clamping mechanism (6).

2. According to claim 1, a new energy vehicle front bumper negative angle opening and ultrasonic welding bracket integrated equipment, characterized in that: The cutting unit (2) comprises a mounting base (21) mounted on the top of the equipment base (1); a column (22) is bolted to the top of the mounting base (21); a controller (23) is fixedly connected to the side wall of the column (22); a mechanical arm (24) is fixedly connected to a side of the column (22) away from the controller (23) near the top; and a cutting head (25) is mounted on the end surface of the mechanical arm (24).

3. According to claim 1, the integrated equipment of negative angle opening and ultrasonic welding bracket for front bumper of new energy vehicle is characterized in that: The double-station rotary table (3) comprises a rotary base (31), a rotary motor (32) being fixedly connected to the bottom of the rotary base (31), the rotary motor (32) being mounted on the top of a cutting and welding fixture seat (4) via a connecting seat (33) connected to the bottom, a rotary screen (34) being fixedly connected to the top center of the rotary base (31), and an auxiliary rotary disk (35) being fixedly connected to the top center of the rotary screen (34).

4. The device for integrating negative angle opening and ultrasonic welding bracket of a front bumper of a new energy vehicle according to claim 1 is characterized in that: A positioning plate (41) is symmetrically fixedly connected to the top of the cutting and welding fixture seat (4) near the side wall, a plurality of positioning blocks (42) are fixedly connected to the top of the positioning plate (41), and a welding stabilizing frame (43) is bolted to opposite surfaces of the two positioning plates (41).

5. The device for integrating negative angle opening and ultrasonic welding bracket of a front bumper of a new energy vehicle according to claim 1 is characterized in that: The connecting mechanism (5) comprises a sliding frame (51) and a fixed frame (52); a connecting cylinder (511) is bolted to a middle position of a side wall of the sliding frame (51); the connecting cylinder (511) is mounted on a double-station rotary table (3); a center sleeve (512) and a center rod (521) are respectively mounted at the centers of the opposing surfaces of the sliding frame (51) and the fixed frame (52); the center sleeve (512) and the center rod (521) are correspondingly inserted and connected; a signal interface A (513) and a signal interface B (522) are respectively mounted near the corners of the opposing surfaces of the sliding frame (51) and the fixed frame (52); a plurality of the signal interfaces A (513) are respectively correspondingly embedded and electrically connected to a plurality of the signal interfaces B (522); and a side rod (514) and a side sleeve (523) are symmetrically fixedly connected to the opposing surfaces of the sliding frame (51) and the fixed frame (52) near the middle position of the side wall.

6. The device for integrating negative angle opening and ultrasonic welding bracket of a front bumper of a new energy vehicle according to claim 5 is characterized in that: The opposing surfaces of the plurality of signal interfaces A (513) and signal interfaces B (522) are respectively provided with corresponding card racks A (5131) and card racks B (5221) for snap-fit ​​connection.

7. The device for integrating negative angle opening and ultrasonic welding bracket of a front bumper of a new energy vehicle according to claim 5, characterized in that: The bottom of the sliding frame (51) is slidably connected to a slide rail installed on the double-station rotating table (3) via a provided slide seat.

8. The device for integrating negative angle opening and ultrasonic welding bracket of a front bumper of a new energy vehicle according to claim 1, characterized in that: The clamping mechanism (6) comprises a clamping frame (61), one end surface of the clamping frame (61) is bolted to a symmetrically arranged driving cylinder (62), and the other end of the clamping frame (61) is cooperatively connected to a limiting assembly; The limit assembly comprises a matching plate (63) mounted on the cutting and welding fixture seat (4); a bending plate (631) is symmetrically fixedly connected to the top of the matching plate (63) near the side wall; the side walls of the two bending plates (631) are bolted to the limit cylinders (632); the end faces of the two limit cylinders (632) are pressed against the end face bending of the clamping frame (61) through protective sleeves; a plurality of clamping cylinders (633) are fixedly connected to the middle position of the top of the matching plate (63); a stopper (634) is fixedly connected to the top of the matching plate (63) and the corresponding positions of the driving rods of the plurality of clamping cylinders (633); the end faces of the driving rods of the plurality of clamping cylinders (633) press the bottom edge of the front bumper workpiece (8) against the stopper (634) through the protective sleeves.

9. The device for integrating negative angle opening and ultrasonic welding bracket of a front bumper of a new energy vehicle according to claim 1, characterized in that: The ultrasonic welding mechanism (7) comprises an adjusting cylinder (71) installed at a middle position of a cutting and welding fixture seat (4); the end face of a driving rod of the adjusting cylinder (71) is bolted to an adjusting plate (72); the bottom of the adjusting plate (72) is slidably connected to the top of the cutting and welding fixture seat (4); the top of the adjusting plate (72) is bolted to three mounting columns (73); the tops of the three mounting columns (73) are all matched and connected to adjusting heads (74); the end faces of the three adjusting heads (74) are bolted to positioning cylinders (75); the end faces of the driving rods of the three positioning cylinders (75) are all fixedly connected to connecting plates (76); the side walls of the three connecting plates (76) are bolted to ultrasonic welding heads (77); and protective components (78) are symmetrically arranged at the top of the cutting and welding fixture seat (4) and at the front and rear positions of the adjusting plate (72); The protection assembly (78) comprises a fixed block (781) mounted on the top of the cutting and welding fixture (4), a protection rod (782) is provided through the middle of the fixed block (781), and a rubber sleeve (783) is fixedly connected to the end surface of the protection rod (782).

10. A control method for an integrated device for negative angle opening and ultrasonic welding bracket of a new energy vehicle front bumper according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1. First, a cutting and welding tool holder (4) is selected according to the type of the front bumper workpiece (8), and is installed on a double-station rotary table (3); S2, then start the connection cylinder (511) in the connection mechanism (5), which drives the sliding frame (51) on the end surface to slide, so that the multiple signal interfaces A (513) on the sliding frame (51) are inserted into the corresponding multiple signal interfaces B (522) on the fixed frame (52), so as to achieve the docking of external signals with external signals, and use the card frame A (5131) and the card frame B (5221) on the signal interface A (513) and the signal interface B (522) to perform mutual engagement connection, and use the corresponding central rod (521) and central sleeve (512) to perform positioning and fixing at the center, and use the side rod (514) and side sleeve (523) inserted and positioned at the side to improve the stability of signal docking; S3, then placing the front bumper workpiece (8) on the top of the cutting and welding fixture (4), and using a plurality of internal positioning blocks (42) to pre-position and fix it, and using a welding stabilizing frame (43) to stabilize the welding portion of the front bumper workpiece (8); S4, then starting the driving cylinder (62) in the clamping mechanism (6), and its driving rod drives the connected pressing frame (61) to flip so that it presses the top of the front bumper workpiece (8), and at the same time starting the limiting cylinder (632) on the matching plate (63), and the end face of its driving rod penetrates the limiting hole at the bending part of the end face of the pressing frame (61) to fix the front bumper workpiece (8), and starting a plurality of clamping cylinders (633), and the driving rods thereof press the bottom edge of the front bumper workpiece (8) against the stopper (634) through the protective sleeve on the end face, thereby achieving reinforcement of the front bumper workpiece (8); S5, then start the rotating motor (32) on the double-station rotating table (3), so that the rotating base (31) rotates 180 degrees on the equipment base (1), so that the cutting and welding tool seat (4) is located at the corresponding position of the cutting unit (2), and the two cutting and welding tool seats (4) are separated by a rotating screen (34), so that the machine processing and the employee operation area are not delayed, thereby improving work efficiency; S6, then the controller (23) is used to start the robot arm (24), which drives the cutting head (25) on the end surface to perform a hole-making operation on the upper surface of the front bumper workpiece (8), and after the hole-making operation, the adjusting cylinder (71) in the ultrasonic welding mechanism (7) at the bottom is started, and its driving rod drives the adjusting plate (72) to slide, and causes the plurality of ultrasonic welding parts to move to corresponding positions, and is limited and protected under the action of the rubber sleeve (783) on the bag surface of the internal protection rod (782) of the protection component (78), and then the positioning cylinder (75) is stabilized by using the adjusted adjusting head (74) on the mounting column (73), and the positioning cylinder (75) is started, and its driving rod drives the ultrasonic welding head (77) on the connecting plate (76) to move, and the lower surface of the front bumper workpiece (8) is welded under the action of the welding stabilizing frame (43); S7. Finally, after the cutting and welding operation, the rotating motor (32) inside the double-station rotary table (3) is used to rotate and exchange the two stations, thereby realizing uninterrupted cycle operation of the double stations and improving the efficiency of the entire production and processing.

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