Integrated punching and welding equipment and punching and welding method

Abstract

The invention provides integrated punching and welding equipment and a punching and welding method. The integrated punching and welding equipment comprises a bracket; the welding mechanism comprises a welding sliding frame and a welding gun, a supporting table is arranged on the welding sliding frame, and the welding gun is arranged towards the supporting table; the punching mechanism comprises a mounting frame positioned above the welding sliding frame; the driving assembly comprises a pushing piece; the transmission assembly comprises a reversing cam and a connecting frame, the reversing cam can abut against the pushing piece, and the connecting frame is connected to the reversing cam; and the punching assembly comprises a punch. Reversing transmission is conducted on impact force through the reversing cam, and therefore the punching precision and the response speed are improved. In addition, through height matching and reasonable layout of the mechanisms, the size is smaller. Compared with conventional punching equipment or welding equipment at the present stage, the punching equipment has the advantages of being high in integration degree, convenient to operate, high in machining quality, high in response speed, wide in application range and the like.

Description

Technical Field

[0001] The invention relates to the technical field of welding equipment, and in particular to an integrated punching welding equipment and a punching welding method. Background Art

[0002] In today's rapidly developing automobile industry, the bumper, as an important part of the front end of the vehicle, not only bears the function of protecting the vehicle and passengers in a collision, but also serves as the installation base for the intelligent driving assistance system sensors, especially the radar bracket. With the continuous advancement of autonomous driving technology, the welding quality of the radar bracket on the bumper is directly related to the accuracy and reliability of the entire intelligent system. However, the existing automotive bumper radar bracket welding technology has many shortcomings in practical applications, especially in terms of integration and welding accuracy.

[0003] At present, the commonly used welding technology is to directly connect the punch to the motor or other drive to achieve the linear motion of the punch to complete the welding work. The limitations of this technology are mainly reflected in the following aspects: first, the degree of integration of the equipment is not high, resulting in a large overall equipment volume, which is not conducive to the compact layout and efficient operation of the production line; second, because the punch is directly connected to the motor, the small displacement that may be generated by the motor when starting and stopping is difficult to accurately control, resulting in low accuracy of the welding position, which in turn affects the installation quality and stability of the radar bracket; in addition, the response speed and motion stability of this drive method may not be sufficient to meet the needs of high-speed continuous welding, thus affecting the consistency of welding quality. Summary of the invention

[0004] To this end, the technical problem to be solved by the present invention is to overcome the problems of low integration degree and unstable processing accuracy of punching and welding equipment in the prior art, and to provide an integrated punching and welding equipment and a punching and welding method.

[0005] In order to solve the above technical problems, the present invention provides an integrated punching and welding equipment, which includes: a bracket; a welding mechanism, the welding mechanism includes a welding slide and a welding gun, the welding slide is slidably connected to the bracket along a first direction, a support platform is provided on the welding slide, the component to be processed is supported on the support platform, and the welding gun is arranged on the welding slide and is arranged toward the support platform; a punching mechanism, the punching mechanism includes: a mounting frame, the mounting frame is connected to the bracket and is located above the welding slide; a driving assembly, the driving assembly is arranged on the mounting frame, and includes a push piece, and the push piece moves along a second direction; a transmission assembly, the transmission assembly includes a reversing cam and a connecting frame, the reversing cam is arranged on the moving path of the push piece, and can abut against the push piece to move along the first direction, the connecting frame is connected to the reversing cam, and moves up and down synchronously with the reversing cam; a punching assembly, the punching assembly is connected to the connecting frame, and includes a punch, and the punch moves up and down above the support platform.

[0006] In one embodiment of the present invention, the bracket includes a first module, an adjustment assembly and a frame body, the adjustment assembly and the first module both extend along a first direction and are respectively connected to two sides of the frame body, wherein the adjustment assembly is connected to an external fixed platform, and the welding slide is slidably connected to the first module.

[0007] In one embodiment of the present invention, the welding gun includes a welding driver, a transducer and a welding head, the welding driver is connected to the welding slide, the transducer is arranged between the welding driver and the welding head, and the welding head passes through the support platform and contacts the component to be processed.

[0008] In one embodiment of the present invention, the mounting frame includes a fixed platform and a fixed plate, and the fixed platform and the fixed plate are vertically connected to each other, wherein the fixed platform extends along the second direction and is provided with a second module extending in the same direction therewith, and the pushing member is slidably connected to the second module; the fixed plate extends along the first direction and is provided with an avoidance hole and a third module, the pushing member can pass through the avoidance hole and abut against the reversing cam, and the connecting frame is slidably connected to the third module.

[0009] In one embodiment of the present invention, the driving assembly also includes a horizontal driver and a slide, the slide is slidably connected to the second module, the horizontal driver and the push member are respectively connected to the slide, and the push member is connected to the working end of the horizontal driver.

[0010] In one embodiment of the present invention, the pushing member includes a wedge-shaped pushing head and a wedge-shaped limiting member, the wedge-shaped limiting member is arranged above the wedge-shaped pushing head and is fixedly connected to the wedge-shaped pushing head, the lower surface of the wedge-shaped pushing head gradually extends downwardly in a second direction toward a direction away from the reversing cam, and the upper surface of the wedge-shaped limiting member gradually extends upwardly in a second direction toward a direction away from the reversing cam, wherein the lower surface of the wedge-shaped pushing head abuts against the reversing cam, and the upper surface of the wedge-shaped limiting member abuts against the avoidance hole to limit the moving distance of the pushing member.

[0011] In one embodiment of the present invention, the transmission assembly includes a slide plate and an assembly frame, the slide plate is slidably connected to the third module, the assembly frame is arranged at the top of the slide plate, the reversing cam is arranged inside the assembly frame, the assembly frame is provided with a guide surface on the side facing the driving assembly, the push member can move along the guide surface, and the connecting frame is arranged on the slide plate, on which a fourth module is provided along the first direction.

[0012] In one embodiment of the present invention, the punch assembly also includes a pre-pressing assembly, which includes a sliding member, a pre-pressing plate and at least one elastic member. The sliding member is slidably connected to the fourth module, and its bottom is connected to the pre-pressing plate. The pre-pressing plate is arranged at the bottom of the connecting frame. At least one elastic member is connected between the pre-pressing plate and the connecting frame. A punch through hole is provided on the pre-pressing plate, and the punch can pass through the punch through hole and contact the component to be processed.

[0013] In one embodiment of the present invention, it also includes a control system, and the welding mechanism and the punching mechanism are respectively connected to the control system.

[0014] The present invention also provides an integrated punching welding method, which uses the above-mentioned integrated punching welding equipment to perform punching welding processing between a vehicle bumper and a radar bracket, and includes: step S1, placing the component to be processed on a support table; step S2, moving the punching mechanism downward until it contacts and squeezes the component to be processed; step S3, pushing the transmission component horizontally through the driving component, and reversing the force to transmit it to the punching component through the transmission component, so that the punching component moves along the first direction; step S4, driving the welding mechanism, bringing the welding gun close to the component to be processed, and then performing welding processing on it to complete the punching welding process.

[0015] The above technical solution of the present invention has the following advantages compared with the prior art: The integrated punching and welding equipment and punching and welding method described in the present invention connect and assemble the welding mechanism and the punching mechanism through a bracket, wherein the welding mechanism has both the support and welding functions of the processed components, and the punching mechanism has both the stamping and clamping functions of the processed components. At the same time, the punching mechanism can also transfer the impact force in reverse direction through a reversing cam, thereby improving the punching accuracy and response speed. In addition, the high degree of coordination and reasonable layout between the above-mentioned mechanisms also make it have a smaller volume. Compared with conventional punching equipment or welding equipment at this stage, the present application has the advantages of high integration, easy operation, high processing quality, fast response speed and wide range of use, and has broad prospects for use in this industry. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to make the contents of the present invention more clearly understood, the present invention is further described in detail below based on specific embodiments of the present invention in conjunction with the accompanying drawings.

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the integrated punching and welding equipment in the preferred embodiment of the present invention; Figure 2 yes Figure 1 A schematic diagram of the three-dimensional structure of the integrated punching and welding equipment from another perspective; Figure 3 yes Figure 1 A schematic diagram of the three-dimensional structure of the integrated punching and welding equipment shown in the third perspective; Figure 4 yes Figure 1 The enlarged structural diagram at A in the middle; Figure 5 yes Figure 2 Enlarged structural diagram at B in the middle.

[0018] Description of the reference numerals in the specification: 100, bracket; 110, first module; 120, adjustment assembly; 130, frame; 200, welding mechanism; 210, welding slide; 211, support platform; 220, welding gun; 221, welding driver; 222, transducer; 223, welding head; 300, punching mechanism; 310, mounting frame; 311, fixing platform; 3111, second module; 312, fixing plate; 3121, third module; 3122, avoidance hole; 320, driving component; 321 , horizontal drive; 322, slide; 323, push piece; 3231, wedge-shaped push head; 3232, wedge-shaped limiter; 330, transmission assembly; 331, slide plate; 332, assembly frame; 3321, guide surface; 333, reversing cam; 334, connecting frame; 3341, fourth module; 340, punch assembly; 341, pre-pressing assembly; 3411, sliding piece; 3412, pre-pressing plate; 3143, elastic piece; 342, punch; X, first direction; Y, second direction; Z, third direction. DETAILED DESCRIPTION

[0019] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention. Embodiment 1

[0020] See also Figures 1 to 3 As shown, this embodiment provides an integrated punching and welding device, which includes: a bracket 100; The welding mechanism 200 includes a welding carriage 210 and a welding gun 220. The welding carriage 210 is slidably connected to the bracket 100 along a first direction X, and a support platform 211 is provided on the support platform 211. The component to be processed is supported on the support platform 211. The welding gun 220 is arranged on the welding carriage 210 and is arranged toward the support platform 211. The punching mechanism 300 includes: a mounting frame 310, the mounting frame 310 is connected to the bracket 100 and is located above the welding carriage 210; a driving assembly 320, the driving assembly 320 is arranged on the mounting frame 310. On, it includes a push piece 323, and the push piece 323 moves along the second direction Y; a transmission component 330, the transmission component 330 includes a reversing cam 333 and a connecting frame 334, the reversing cam 333 is set on the moving path of the push piece 323, and it can abut against the push piece 323 to move along the first direction X, the connecting frame 334 is connected to the reversing cam 333, and moves up and down synchronously with the reversing cam 333; a punching component 340, the punching component 340 is connected to the connecting frame 334, and includes a punch 342, and the punch 342 moves up and down above the support platform 211.

[0021] The integrated punching and welding equipment described in this embodiment connects and assembles the welding mechanism 200 and the punching mechanism 300 through the bracket 100, wherein the welding mechanism 200 has both the support and welding functions of the processed components, and the punching mechanism 300 has both the stamping and clamping functions of the processed components. At the same time, the punching mechanism 300 can also transfer the impact force in reverse through the reversing cam 333, thereby improving the punching accuracy and response speed. In addition, the high degree of coordination and reasonable layout between the above-mentioned mechanisms also make it have a smaller volume. Compared with conventional punching equipment or welding equipment at this stage, this application has the advantages of high degree of integration, easy operation, high processing quality, fast response speed and wide range of use, and has broad prospects for use in this industry.

[0022] It should be noted that, for ease of expression, this embodiment defines the height direction of the integrated punching and welding equipment as the first direction X, the thickness direction of the equipment as the second direction Y, and the width direction of the equipment as the third direction Z, wherein the first direction X, the second direction Y and the third direction Z are arranged perpendicular to each other, and the second direction Y and the third direction Z are located in the same plane.

[0023] See also Figures 1 to 3As shown, the bracket 100 in this embodiment is used to connect the device to an external fixed platform, and includes a first module 110, an adjustment assembly 120, and a frame 130. The adjustment assembly 120 and the first module 110 both extend along a first direction X and are respectively connected to both sides of the frame 130, wherein the adjustment assembly 120 is connected to the external fixed platform, and the welding slide 210 is slidably connected to the first module 110. Specifically, in this embodiment, the adjustment assembly 120 is preferably a cylinder, and the first module 110 and the assembly adjustment member 120 are respectively arranged on opposite sides of the frame 130.

[0024] In this embodiment, the welding mechanism 200 is arranged below the punching mechanism 300, and the component to be processed can be squeezed and fixed between the welding mechanism 200 and the punching mechanism 300. Specifically, the welding slide 210 in this embodiment is a special-shaped component, which is used to provide a mounting platform for the welding gun 220 and the support table 211. Further, the support table 211 in this embodiment is arranged at the top of the welding slide 210, and the welding gun 220 is connected to the inside of the welding slide 210, and both can be lifted and moved along the first direction X through the welding slide 210. Among them, the welding gun 220 in this embodiment includes a welding driver 221, a transducer 222 and a welding head 223, wherein the welding driver 221 is connected to the welding slide 210, the transducer 222 is arranged between the welding driver 221 and the welding head 223, and the welding head 223 penetrates the support table 211 and contacts the component to be processed.

[0025] In this embodiment, the mounting frame 310 is used to provide a connection platform for the driving assembly 320, the transmission assembly 330 and the punching assembly 340, and includes a fixed platform 311 and a fixed plate 312, wherein the fixed platform 311 and the fixed plate 312 are vertically connected to each other, wherein the fixed platform 311 extends along the second direction Y, and is provided with a second module 3111 extending in the same direction as the fixed platform 311, and the push member 323 is slidably connected to the second module 3111; the fixed plate 312 extends along the first direction X, and is provided with a avoidance hole 3122 and a third module 3121, and the push member 323 can penetrate the avoidance hole 3122 and abut against the reversing cam 333, and the connecting frame 334 is slidably connected to the third module 3121. Based on this, the driving assembly 320 can move toward the transmission assembly 330 along the second direction Y, and the transmission assembly 330 can drive the punching assembly 340 to operate along the first direction X.

[0026] Specifically, see Figure 4 and Figure 5As shown, the driving component 320 in this embodiment also includes a horizontal driver 321 and a slide 322, the slide 322 is slidably connected to the second module 3111, the horizontal driver 321 and the push member 323 are respectively connected to the slide 322, and the push member 323 is connected to the working end of the horizontal driver 321. In which, the pushing member 323 includes a wedge-shaped pushing head 3231 and a wedge-shaped limiting member 3232, the wedge-shaped limiting member 3232 is arranged above the wedge-shaped pushing head 3231 and is fixedly connected to the wedge-shaped pushing head 3231, the lower surface of the wedge-shaped pushing head 3231 gradually extends downwardly and tilted in the second direction Y toward a direction away from the reversing cam 333, and the upper surface of the wedge-shaped limiting member 3232 gradually extends upwardly and tilted in the second direction Y toward a direction away from the reversing cam 333, wherein the lower surface of the wedge-shaped pushing head 3231 abuts against the reversing cam 333, and the upper surface of the wedge-shaped limiting member 3232 abuts against the avoidance hole 3122 to limit the moving distance of the pushing member 323. Based on the above structural setting, the wedge-shaped push head 3231 can realize the pushing and squeezing effect on the reversing cam 333. At the same time, the wedge-shaped limiter 3232 can cooperate with the avoidance hole 3122 to limit the moving distance of the push member 323, thereby avoiding problems such as excessive movement of the push member 323 affecting processing efficiency or causing poor connection.

[0027] The transmission assembly 330 in this embodiment includes a slide plate 331 and an assembly frame 332, the slide plate 331 is slidably connected to the third module 3121, the assembly frame 332 is arranged on the top of the slide plate 331, the reversing cam 333 is arranged inside the assembly frame 332, and the assembly frame 332 is provided with a guide surface 3321 on the side facing the driving assembly 320, the push member 323 can move along the guide surface 3321, and the connecting frame 334 is arranged on the slide plate 331, on which a fourth module 3341 along the first direction X is provided to provide a platform for the movement of the punch 342.

[0028] Furthermore, the punch assembly 340 also includes a pre-stressing assembly 341, and the pre-stressing assembly 341 includes a sliding member 3411, a pre-stressing plate 3412 and at least one elastic member 3413. The sliding member 3411 is slidably connected to the fourth module 3341, and its bottom is connected to the pre-stressing plate 3412. The pre-stressing plate 3412 is arranged at the bottom of the connecting frame 334, and at least one elastic member 3413 is connected between the pre-stressing plate 3412 and the connecting frame 334. The pre-stressing plate 3412 is provided with a punch 342 through hole, and the punch 342 can be inserted through the punch 342 through hole to contact the component to be processed. When the reassembly is lowered, the punch 342 is located inside the pre-pressing assembly 341, and the pre-pressing plate 3411 will preferentially contact the component to be processed and pre-press the component to be processed through the elastic member 3413 to improve its processing quality; then the punch 342 is driven by the guide cam to continue to move downward until it is exposed to the outside of the pre-pressing assembly 341 and contacts the component to be processed for subsequent stamping process.

[0029] This embodiment also includes a control system, and the welding mechanism 200 and the punching mechanism 300 are respectively connected to the control system. In the actual production process, the operator can control the above structure in real time through the control system, thereby improving the flexibility of the use of the device, and can also preset parameters through the control system, thereby improving the automation of the device. Embodiment 2

[0030] This embodiment provides an integrated punching welding method, which uses the above-mentioned integrated punching welding equipment to perform punching welding processing between the vehicle bumper and the radar bracket 100, and includes: Step S1, placing the component to be processed on the support table 211; Step S2, moving the punching mechanism 300 downward until it contacts and extrude the component to be processed; Step S3, the driving assembly 320 pushes the transmission assembly 330 horizontally, and the transmission assembly 330 transfers the force to the punch assembly 340 in a reverse direction, so that the punch assembly 340 moves along the first direction X; Step S4, driving the welding mechanism 200, bringing the welding gun 220 close to the component to be processed, and then performing welding processing on it to complete the punching welding process.

[0031] In summary, the integrated punching and welding equipment and punching and welding method described in the present invention connect and assemble the welding mechanism 200 and the punching mechanism 300 through the bracket 100, wherein the welding mechanism 200 has both the support and welding functions of the components to be processed, and the punching mechanism 300 has both the stamping and clamping functions of the components to be processed. At the same time, the punching mechanism 300 can also transfer the impact force in reverse through the reversing cam 333, thereby improving the punching accuracy and response speed. In addition, the high degree of coordination and reasonable layout between the above-mentioned mechanisms also make it have a smaller volume. Compared with conventional punching equipment or welding equipment at this stage, the present application has the advantages of high degree of integration, easy operation, high processing quality, fast response speed and wide range of use, and has broad prospects for use in this industry.

[0032] Obviously, the above embodiments are merely examples for clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the protection scope of the invention.

Claims

1. An integrated punching and welding device, characterized in that: include: Bracket; A welding mechanism, the welding mechanism comprising a welding carriage and a welding gun, the welding carriage being slidably connected to the bracket along a first direction, a support platform being provided on the bracket, the component to be processed being supported on the support platform, the welding gun being provided on the welding carriage and facing the support platform; A punching mechanism, the punching mechanism comprising: A mounting frame connected to the bracket and located above the welding slide; A driving assembly, the driving assembly is disposed on the mounting frame, and includes a pushing member, the pushing member moves along the second direction; A transmission assembly, the transmission assembly comprising a reversing cam and a connecting frame, the reversing cam is arranged on the moving path of the pushing member, and can abut against the pushing member to move along the first direction, the connecting frame is connected to the reversing cam, and moves up and down synchronously with the reversing cam; A punching assembly is connected to the connecting frame and includes a punch head, and the punch head moves up and down above the supporting platform.

2. The integrated punching and welding equipment according to claim 1, characterized in that: The bracket includes a first module, an adjustment assembly and a frame body, wherein the adjustment assembly and the first module both extend along a first direction and are respectively connected to two sides of the frame body, wherein the adjustment assembly is connected to an external fixed platform, and the welding slide is slidably connected to the first module.

3. The integrated punching and welding equipment according to claim 1, characterized in that: The welding gun comprises a welding driver, a transducer and a welding head. The welding driver is connected to the welding carriage. The transducer is arranged between the welding driver and the welding head. The welding head passes through the supporting platform and contacts with the component to be processed.

4. The integrated punching and welding equipment according to claim 1, characterized in that: The mounting frame includes a fixed platform and a fixed plate, wherein the fixed platform and the fixed plate are vertically connected to each other, wherein the fixed platform extends along a second direction, and is provided with a second module extending in the same direction therewith, and the push member is slidably connected to the second module; the fixed plate extends along a first direction, and is provided with an avoidance hole and a third module, the push member can pass through the avoidance hole and abut against the reversing cam, and the connecting frame is slidably connected to the third module.

5. The integrated punching and welding equipment according to claim 4, characterized in that: The driving assembly also includes a horizontal driver and a slide seat, the slide seat is slidably connected to the second module, the horizontal driver and the push member are respectively connected to the slide seat, and the push member is connected to the working end of the horizontal driver.

6. The integrated punching and welding equipment according to claim 4, characterized in that: The pushing member includes a wedge-shaped pushing head and a wedge-shaped limiting member, the wedge-shaped limiting member is arranged above the wedge-shaped pushing head and is fixedly connected to the wedge-shaped pushing head, the lower surface of the wedge-shaped pushing head gradually extends downwardly in a second direction toward a direction away from the reversing cam, and the upper surface of the wedge-shaped limiting member gradually extends upwardly in a second direction toward a direction away from the reversing cam, wherein the lower surface of the wedge-shaped pushing head abuts against the reversing cam, and the upper surface of the wedge-shaped limiting member abuts against the avoidance hole to limit the moving distance of the pushing member.

7. The integrated punching and welding equipment according to claim 4, characterized in that: The transmission assembly includes a slide plate and an assembly frame, the slide plate is slidably connected to the third module, the assembly frame is arranged on the top of the slide plate, the reversing cam is arranged inside the assembly frame, a guide surface is provided on the side of the assembly frame facing the driving assembly, the push member can move along the guide surface, and the connecting frame is arranged on the slide plate, on which a fourth module is provided along the first direction.

8. The integrated punching and welding equipment according to claim 7, characterized in that: The punch assembly also includes a pre-pressing assembly, which includes a sliding member, a pre-pressing plate and at least one elastic member. The sliding member is slidably connected to the fourth die set, and its bottom is connected to the pre-pressing plate. The pre-pressing plate is arranged at the bottom of the connecting frame. At least one elastic member is connected between the pre-pressing plate and the connecting frame. A punch through hole is provided on the pre-pressing plate, and the punch can penetrate the punch through hole and contact the component to be processed.

9. The integrated punching and welding equipment according to claim 1, characterized in that: It also includes a control system, and the welding mechanism and the punching mechanism are respectively connected to the control system.

10. An integrated punching and welding method, characterized in that: The punching and welding process between the vehicle bumper and the radar bracket is performed by the integrated punching and welding equipment according to any one of claims 1 to 9, which comprises: Step S1, placing the component to be processed on a support table; Step S2, moving the punching mechanism downward until it contacts and extrude the component to be processed; Step S3, pushing the transmission component horizontally through the driving component, and transmitting the force to the punch component through the transmission component in a reverse direction, so that the punch component moves along the first direction; Step S4, driving the welding mechanism to bring the welding gun close to the component to be processed, and then performing welding processing on it to complete the punching welding process.

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