CN111438478B - Auxiliary system for welding vehicle body - Google Patents

Auxiliary system for welding vehicle body Download PDF

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Publication number
CN111438478B
CN111438478B CN202010302437.6A CN202010302437A CN111438478B CN 111438478 B CN111438478 B CN 111438478B CN 202010302437 A CN202010302437 A CN 202010302437A CN 111438478 B CN111438478 B CN 111438478B
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China
Prior art keywords
module
clamping
signal
base
driving
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CN111438478A (en
Inventor
孙建东
杨祥福
吕同祥
徐少博
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Yantai Yibo Automation Technology Co ltd
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Yantai Yibo Automation Technology Co ltd
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Publication of CN111438478A publication Critical patent/CN111438478A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426Fixtures for other work
    • B23K37/0435Clamps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00Articles made by soldering, welding or cutting
    • B23K2101/006Vehicles

Abstract

The invention relates to a vehicle body welding auxiliary system which comprises a base, wherein the top surface of the base is slidably connected with two horizontally arranged supporting plates, the two supporting plates are arranged along the length direction of the base and can slide along the length direction of the base, a plurality of groups of clamping assemblies are slidably connected onto the two supporting plates, the clamping assemblies on the same supporting plate are arranged along the length direction of the base, each group of clamping assemblies comprises two clamping blocks arranged along the width direction of the base, the clamping blocks can slide along the width direction of the base, and driving mechanisms for controlling the sliding of the clamping blocks are arranged on the clamping blocks. The invention has the effect of clamping and splicing the car shell plates together efficiently and stably.

Description

Auxiliary system for welding vehicle body
Technical Field
The invention relates to the technical field of vehicle production systems, in particular to a vehicle body welding auxiliary system.
Background
At present at the in-process of carrying out automobile body production, need be in the same place all kinds of panel welding, in the welded, can directly use the arm to accomplish welding operation usually, to the fixed aspect of automobile body panel, common fixed mode has two kinds at present, and great factory building adopts the assembly line mode to carry out panel fixed, also has the mode that more factory building adopted mechanical clamping to fix automobile body panel to the arm carries out welding operation.
The prior technical scheme can refer to Chinese invention patent with application publication number CN108838602A, and discloses a welding tool for a vehicle body framework. The invention relates to a welding tool for a vehicle body framework, which comprises: a frame and a plurality of tooling units; the tool unit comprises a bottom plate, a positioning mechanism and a clamping mechanism, wherein the positioning mechanism and the clamping mechanism are fixed on the bottom plate, and the bottom plate is fixed on the frame through a fastening assembly. The invention relates to a welding tool for a vehicle body framework, which fixes a plurality of tool units on a frame by utilizing a fastening component.
The above prior art solutions have the following drawbacks: to the mill that is not suitable for production line mode to carry out panel and fixed, at present have can stably carry out the anchor clamps of centre gripping to car casing, but because car casing is heterotypic panel usually, need confirm to the position of every corner in order to ensure the welding degree of accuracy, adopt the mode of artifical installation to place panel fixed on anchor clamps and to its every corner be a very time-consuming operation at present, need operating personnel high concentration and check the concatenation condition many times, not only waste time and energy, still be difficult to ensure fixed accurate degree.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a vehicle body welding auxiliary system which has the characteristics of efficiently and stably clamping and splicing vehicle shell plates together.
The above object of the present invention is achieved by the following technical solutions:
a car body welding auxiliary system comprises a base, wherein two horizontally arranged supporting plates are slidably connected to the top surface of the base, the two supporting plates are arranged along the length direction of the base, both the two supporting plates can slide along the length direction of the base, a plurality of groups of clamping assemblies are slidably connected onto both the two supporting plates, all the clamping assemblies on the same supporting plate are arranged along the length direction of the base, each group of clamping assemblies comprises two clamping blocks arranged along the width direction of the base, each clamping block can slide in the width direction of the base, and each clamping block is provided with a driving mechanism for controlling the sliding of the clamping block;
the clamping block is provided with an induction module, the induction module comprises a clamping proximity switch fixedly connected to the side wall of the clamping block, and when the clamping proximity switch detects that an object exists in a set distance, the induction module sends a positioning signal;
the clamping block is provided with a locking module, the locking module comprises a locking switch fixedly connected to the clamping block, and when the locking switch is closed, the sensing module sends a locking signal;
the driving mechanism is provided with a driving module, the driving module responds to the positioning signal of the induction module and the locking signal of the locking module, and when the driving module receives the positioning signal sent by the induction module or the locking signal sent by the locking module, the driving module controls the driving mechanism to stop working.
By adopting the technical scheme, when two car shell plates need to be welded by using the mechanical arm, the base is placed in the operation range of the mechanical arm, the distance between the two supporting plates is firstly slid away, the two plates which need to be welded together are respectively placed on the two supporting plates, the driving mechanism is started to drive the clamping blocks to slide towards the direction close to the plates, when the plates are clamped by all the clamping blocks, the plates can enter the induction range of the clamping proximity switch, the induction module sends out a positioning signal, the driving module controls the driving mechanism to stop operating, the plates are stably clamped on the supporting plates by using the clamping blocks, and then the two supporting plates slide in opposite directions, so that the edges of the plates which need to be welded can be spliced together, and an operator can operate the mechanical arm to weld the plates; when all the clamping assemblies are not needed to be used for a short plate, the dead-locking switch corresponding to the clamping blocks which are not needed to be used can be closed, and the driving module can control the driving mechanism to stop operating within the time period of closing the dead-locking switch, so that the positions of the clamping blocks which are not needed to be used are stabilized.
The present invention in a preferred example may be further configured to: the positions of the top surface of the supporting plate, which correspond to the clamping blocks, are provided with clamping chutes arranged along the width direction of the base;
actuating mechanism is including rotating the centre gripping threaded rod of connecting in the backup pad and being close to centre gripping spout position department, and threaded connection has the drive block on the centre gripping threaded rod, and drive block sliding connection is in the centre gripping spout, and grip block fixed connection is on the drive block, and the backup pad corresponds the fixedly connected with driving motor of position department of centre gripping threaded rod tip, and centre gripping threaded rod fixed connection is on driving motor's output shaft.
Through adopting above-mentioned technical scheme, when the grip block that needs to slide, start driving motor, alright cooperation drive block and clamping threaded rod spacing realize letting the grip block slide along with the length direction of clamping threaded rod, play the centre gripping panel or loosen the effect of panel.
The present invention in a preferred example may be further configured to: the base top surface sets up the main spout that sets up along the length direction of base, and the position department that the base is close to main spout rotates and is connected with the twin-screw rod, and the equal threaded connection in twin-screw rod both sides has main slider, and the equal sliding connection of main slider is in main spout, and the equal fixed connection of backup pad is on main slider, and the base corresponds the position department fixedly connected with main motor to twin-screw rod one end, on the output shaft of main motor to twin-screw rod fixed connection.
Through adopting above-mentioned technical scheme, when position between two backup pads need to be adjusted, start main motor, it is rotatory to the screw rod, alright cooperation main slider and the spacing effect of main spout, drive the roof beam backup pad and in opposite directions or deviate from the slip each other to be located the base middle part just when keeping two backup pads butts, make things convenient for the arm to carry out the location of welding point and bonding wire.
The present invention in a preferred example may be further configured to: the opposite ends of the two clamping blocks in the same clamping assembly are fixedly connected with buffer blocks made of elastic materials.
Through adopting above-mentioned technical scheme, the elasticity of buffer block can be when using the grip block to clip panel better agree with the shape and the gap of panel to increase the stiction to panel, thereby improve the stability of panel centre gripping.
The present invention in a preferred example may be further configured to include:
the master control module comprises a single-pole double-throw switch fixedly connected to the side wall of the base, the single-pole double-throw switch is connected with a contact a and a contact b, when the single-pole double-throw switch is dialed to the contact a, the master control module outputs a tightening signal, when the single-pole double-throw switch is dialed to the contact b, the master control module outputs a loosening signal, when the driving module receives the tightening signal and does not receive a locking signal, the driving module controls the driving motor to rotate forwards, and when the driving module receives the loosening signal and does not receive the locking signal, the driving module controls the driving motor to rotate backwards;
and the timing module responds to the relaxation signal of the master control module, starts timing according to a given time length when the timing module receives the relaxation signal sent by the master control module, outputs a shutdown signal when the timing is finished, and controls the driving motor to stop when the driving module receives the shutdown signal.
By adopting the technical scheme, when half is needed to be clamped, the single-pole double-throw switch is switched to the contact point a, the master control module can send out a tightening signal, when the driving module receives the tightening signal and does not receive a locking signal, the corresponding clamping block needs to be used, the driving module can control the driving motor to rotate forward, so as to control the clamping block to clamp the plate, after the sheet material needs to be loosened, the single-pole double-throw switch is switched to the b contact point, the master control module sends out a loosening signal, the driving module controls the driving motor to rotate reversely according to the loosening signal on the premise that the locking signal is not received, the clamping block is driven to loosen the sheet material, meanwhile, the timing module starts timing, the time length is the time length from the clamping block to the end part of the clamping sliding chute, after the timing is finished, the timing module sends out a shutdown signal to control the driving motor to stop rotating to limit the position of the clamping block.
The present invention in a preferred example may be further configured to: every group's centre gripping subassembly all is connected with warning module, warning module includes the LED lamp of fixed connection in the backup pad lateral wall correspondence centre gripping subassembly position department, warning module is in response to the signal of tightening up of total control module, the dead-lock signal of dead-lock module and the locating signal of response module, when warning module received the signal of tightening up and not received the dead-lock signal but not received the locating signal, warning module control LED lamp lights, when warning module received the signal of tightening up and not only received the dead-lock signal but also received the locating signal, warning module control LED lamp lights.
By adopting the technical scheme, under two conditions, the warning module can control the LED and the like to light up, firstly, when the warning module receives the tightening signal and does not receive the locking signal or the positioning signal, when the clamping block slides, the LED lamp is turned on to remind the operator not to approach the corresponding clamping component, thereby ensuring the safety of the operator, secondly, when the warning module receives the tightening signal and receives the locking signal and the positioning signal, the situation that foreign matters exist at the position of the clamped block which is locked or the foreign matters need to be cleaned is shown, or the corresponding clamping assembly is abnormal in system, so that the operator is required to check, and the operator can timely learn the moving state or abnormal state of the clamping block through the warning module, so that the operator can conveniently perform safety protection and equipment check.
The present invention in a preferred example may be further configured to: the mounting panel can be dismantled and be connected with to the backup pad top surface, and the position department that the mounting panel corresponds every spout has all seted up the groove of stepping down, and the mounting groove that cooperation car shell panel set up is seted up to the backup pad top surface.
Through adopting above-mentioned technical scheme, when needs weld, select the mounting panel that needs welded panel to correspond, install the mounting panel in the backup pad, the setting in groove of stepping down can allow the grip block to normally slide, and the setting of mounting groove can allow operating personnel to insert panel in the mounting groove to more accurate carrying out placing of two panels, thereby accuracy and efficiency when improving the concatenation of two panels.
The present invention in a preferred example may be further configured to: be connected with spacing module on the mounting panel, spacing module includes a plurality of spacing proximity switches and the installation pilot lamp of fixed connection on the mounting panel lateral wall that fixed connection is close to mounting groove position department on the mounting panel, when all spacing proximity switches all detected and set for the distance in there being the object, spacing module control installation pilot lamp lights.
Through adopting above-mentioned technical scheme, when pegging graft panel in the mounting panel, panel can get into spacing proximity switch's within range, and at this moment, spacing module control installation pilot lamp lights the grafting of suggestion operating personnel panel and mounting panel and targets in place, has at least one spacing proximity switch to get into its detection range for detecting the object if, then the installation pilot lamp can not light, explains that the mounting panel has the position of not pegging graft and target in place, needs carry out position control.
The present invention in a preferred example may be further configured to: the dovetail groove that sets up along the length direction of base is seted up at backup pad top surface middle part, and the dovetail groove runs through the backup pad in the length direction of base, and mounting panel bottom surface fixedly connected with dovetail block, dovetail block can sliding connection in the dovetail groove.
Through adopting above-mentioned technical scheme, carry out the adjustment of mounting panel through dovetail and forked tail piece, can cross the effect that realizes the efficient and install mounting panel and backup pad together to the change is dismantled to the mounting panel to the convenience, more makes things convenient for operating personnel to select suitable mounting panel according to panel.
The present invention in a preferred example may be further configured to: the joint groove of a plurality of vertical settings is seted up to the mounting panel bottom surface, and equal sliding connection has the joint piece in the joint groove, and the joint piece all can slide along the length direction in joint groove, and the joint hole has all been seted up to the position department that the backup pad top surface corresponds the joint groove, and the joint piece all can be pegged graft in the joint hole that corresponds, and joint piece top fixedly connected with follows the joint handle of the length direction setting in joint groove, and the joint handle stretches out the mounting panel setting.
Through adopting above-mentioned technical scheme, when concatenation mounting panel and backup pad, slide the assigned position in the backup pad with the mounting panel, use the joint handle to drive the joint piece and peg graft in the joint hole, can the efficient restrict the position of mounting panel to conveniently carry out the panel centre gripping.
In summary, the present invention includes at least one of the following beneficial effects:
1. the plate to be welded can be efficiently clamped, and the welding seams of the two plates are spliced together, so that the mechanical arm can be conveniently welded;
2. the clamping device has the advantages that an operator can conveniently and accurately place the plate in the clamping process and automatically stop the clamping block in the plate clamping process, and the operator can be allowed to adjust the used clamping block according to the requirement of the clamped plate;
3. the lamp-on prompt of the conditions of clamping completion, abnormal clamping and the like can be timely carried out on the operator, so that the operator can conveniently judge whether to check or to carry out the next operation.
Drawings
FIG. 1 is an overall schematic view of the present embodiment;
FIG. 2 is a partial cross-sectional view of a projection pair screw configuration of an embodiment;
FIG. 3 is a partial cross-sectional view of a projecting clamping assembly of an embodiment;
FIG. 4 is a partial cross-sectional view of a tab card block structure of an embodiment;
FIG. 5 is a system diagram of a salient drive module in an embodiment;
FIG. 6 is a system diagram of a highlighted alert module in an embodiment;
fig. 7 is a system diagram of a protruding limiting module in an embodiment.
In the figure, 1, a base; 11. a support plate; 111. a main chute; 112. a main slider; 113. a main motor; 114. a screw rod is aligned; 12. a clamping assembly; 121. a clamping block; 122. a clamping chute; 123. a buffer block; 13. a drive mechanism; 131. a drive motor; 132. clamping the threaded rod; 133. a drive block; 14. mounting a plate; 141. mounting grooves; 142. a yielding groove; 143. a dovetail groove; 144. a dovetail block; 145. a clamping groove; 146. a clamping block; 147. clamping a handle; 148. a clamping hole; 20. a sensing module; 201. clamping the proximity switch; 21. a locking module; 211. locking the switch; 22. a drive module; 23. a master control module; 231. a single pole double throw switch; 24. a timing module; 25. a warning module; 251. an LED lamp; 26. a limiting module; 261. installing an indicator light; 262. and a limit proximity switch.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the invention discloses a vehicle body welding auxiliary system, which comprises a base 1, wherein the top surface of the base 1 is slidably connected with two horizontally arranged supporting plates 11, the two supporting plates 11 are arranged along the length direction of the base 1, and both the two supporting plates 11 can slide along the length direction of the base 1. When welding, place base 1 in the welding range of arm to put two panels that need carry out the welding on two backup pads 11, slide backup pad 11 in opposite directions, alright realize the effect with two panel concatenations, thereby make things convenient for the arm to weld two panels.
Refer to 2 and fig. 3, base 1 top surface sets up the main spout 111 that sets up along base 1's length direction, base 1 is close to the position department rotation of main spout 111 and is connected with to lead screw 114, equal threaded connection has main slider 112 to lead screw 114 both sides, the equal sliding connection of main slider 112 is in main spout 111, the equal fixed connection of backup pad 11 is on main slider 112, base 1 corresponds the position department fixedly connected with main motor 113 of lead screw 114 one end, lead screw 114 fixed connection is on main motor 113's output shaft. When the supporting plates 11 need to slide, the main motor 113 is started to drive the wire aligning screw rods 114 to rotate, the supporting plates 11 are limited by the main sliding blocks 112 and the main sliding grooves 111, the supporting plates 11 are limited to slide oppositely or deviate from each other, the wire aligning screw rods 114 are used as a main transmission structure, the two supporting plates 11 can be guaranteed to slide oppositely, and finally the plates can be abutted to the middle of the base 1, so that the welding positions can be confirmed by the mechanical arms conveniently, the workload of the programming process of the mechanical arms is reduced, and the welding accuracy and the welding efficiency are improved.
Referring to fig. 2 and 3, a plurality of groups of clamping assemblies 12 are slidably connected to the two supporting plates 11, the clamping assemblies 12 on the same supporting plate 11 are arranged along the length direction of the base 1, and each group of clamping assemblies 12 includes two clamping blocks 121 arranged along the width direction of the base 1. A clamping chute 122 arranged along the width direction of the base 1 is formed in the position, corresponding to each clamping block 121, of the top surface of the supporting plate 11; the clamping blocks 121 are each provided with a driving mechanism 13 for controlling the sliding of the clamping block 121. The driving mechanism 13 includes a clamping threaded rod 132 rotatably connected to the supporting plate 11 near the clamping sliding groove 122, a driving block 133 is connected to the clamping threaded rod 132 through a thread, the driving block 133 is slidably connected to the clamping sliding groove 122, the clamping block 121 is fixedly connected to the driving block 133, a driving motor 131 is fixedly connected to the supporting plate 11 at a position corresponding to the end of the clamping threaded rod 132, and the clamping threaded rod 132 is fixedly connected to an output shaft of the driving motor 131. When needs centre gripping panel, place the position department between two grip blocks 121 of every group centre gripping subassembly 12 with panel to start driving motor 131 and drive the threaded rod and rotate, alright control grip block 121 slides in opposite directions, with panel centre gripping post, every grip block 121 independently controls and can conveniently carry out the centre gripping to some curved surface panels or heterotypic panel of car shell, keep panel to be located the position department of backup pad 11 central lines throughout, the convenience is stabilized centre gripping and is spliced the welding to panel.
Referring to fig. 2 and 3, the opposite ends of the two clamping blocks 121 in the same clamping assembly 12 are fixedly connected with buffer blocks 123 made of elastic materials such as rubber. The elasticity of buffer block 123 can effectively improve the laminating degree of grip block 121 to panel shape to increase stiction, thereby realize more stable panel centre gripping operation.
Referring to fig. 3 and 4, the mounting plate 14 is detachably connected to the top surface of the supporting plate 11, the yielding groove 142 is formed in the position, corresponding to each sliding groove, of the mounting plate 14, and the mounting groove 141 matched with the car shell plate is formed in the top surface of the supporting plate 11. The middle part of the top surface of the supporting plate 11 is provided with a dovetail groove 143 arranged along the length direction of the base 1, the dovetail groove 143 penetrates through the supporting plate 11 in the length direction of the base 1, the bottom surface of the mounting plate 14 is fixedly connected with a dovetail block 144, and the dovetail block 144 can be connected in the dovetail groove 143 in a sliding mode. The joint groove 145 of a plurality of vertical settings is seted up to mounting panel 14 bottom surface, equal sliding connection has joint piece 146 in the joint groove 145, joint piece 146 all can slide along the length direction of joint groove 145, joint hole 148 has all been seted up to the position department that the corresponding joint groove 145 of backup pad 11 top surface, joint piece 146 all can be pegged graft in the joint hole 148 that corresponds, joint piece 146 top fixedly connected with follows the joint handle 147 of the length direction setting of joint groove 145, joint handle 147 stretches out the setting of mounting panel 14. Before carrying out the panel centre gripping, the cooperation sliding connection that passes through dovetail piece 144 and dovetail 143 of the mounting panel 14 that corresponds panel earlier is in backup pad 11 to propelling movement joint piece 146 pegs graft in joint hole 148 the position of fixed mounting panel 14, and at this moment, the installation version just can place panel in mounting groove 141 earlier, keeps panel in the position department of backup pad 11 central line through mounting panel 14, makes things convenient for operating personnel to carry out the welding seam concatenation to two panels.
Referring to fig. 5, the clamping block 121 is provided with a sensing module 20 and a locking module 21.
The sensing module 20 includes a clamping proximity switch 201 fixedly connected to a sidewall of the clamping block 121, and when the clamping proximity switch 201 detects that an object exists within a set distance, the sensing module 20 sends a positioning signal.
The locking module 21 includes a locking switch 211 fixedly connected to the clamping block 121, and when the locking switch 211 is closed, the sensing module 20 sends a locking signal.
The driving module 22 is disposed on the driving motor 131, and the driving module 22 responds to the positioning signal of the sensing module 20 and the locking signal of the locking module 21, and when the driving module 22 receives the positioning signal sent by the sensing module 20 or the locking signal sent by the locking module 21, the driving module 22 controls the driving mechanism 13 to stop working.
Be provided with total control module 23 on base 1, total control module 23 includes the single-pole double-throw switch 231 of fixed connection in base 1 lateral wall, single-pole double-throw switch 231 is connected with a contact and b contact, when single-pole double-throw switch 231 dials the a contact, total control module 23 output tightens up the signal, when single-pole double-throw switch 231 dials the b contact, total control module 23 output relaxs the signal, when drive module 22 received tighten up the signal and did not receive the lock-up signal, drive module 22 controls driving motor 131 corotation, when drive module 22 received loosen the signal and did not receive the lock-up signal, drive module 22 controls driving motor 131 reversal.
When using, operating personnel places panel back, and operating personnel can use dead lock switch 211 to lock the grip block 121 that can not use according to the length of panel to avoid the grip block 121 that the operation in-process is vacant to make a round trip to slide life-span and shorten or injure operating personnel. After that, the single-pole double-throw switch 231 is dialed to the contact a, the clamping block 121 with the closed locking switch 211 cannot slide, the driving motor 131 corresponding to the clamping block 121 with the open locking switch 211 receives the tightening signal and cannot receive the locking signal, the driving module 22 can control the driving motor 131 to rotate forward to drive the clamping block 121 to slide in opposite directions until the clamping block 121 clamps the plate, the plate enters the detection range of the clamping proximity switch 201, the sensing module 20 can send out a positioning signal, the corresponding driving module 22 receives the positioning signal and can control the driving motor 131 to stop rotating, so that the position of the clamping block 121 is fixed, and the clamping of the plate is completed.
Referring to fig. 5, the clamping block 121 is provided with a timing module 24, and in response to a loosening signal of the master control module 23, when the timing module 24 receives the loosening signal sent by the master control module 23, the timing module starts to time according to a given time length, where the given time length is a time length of the clamping block 121 sliding through the complete clamping chute 122, and when the timing is finished, the timing module 24 outputs a shutdown signal, and when the driving module 22 receives the shutdown signal, the driving motor 131 is controlled to stop rotating.
When the plate needs to be loosened, an operator dials the single-pole double-throw switch 231 to the b contact, at this time, all the driving modules 22 which do not receive the deadlock signal start to control the driving motor 131 to rotate reversely, the clamping blocks 121 are driven to slide in the direction away from the plate, meanwhile, the timing module 24 starts timing according to the given time, when the timing is finished, all the clamping blocks 121 can ensure that the plate is completely loosened, meanwhile, the timing module 24 sends out a shutdown signal, and after receiving the shutdown signal, the driving module 22 controls the driving motor 131 to stop rotating, and stops sliding of the clamping blocks 121.
Referring to fig. 6, each group of clamping assemblies 12 is connected with a warning module 25, each warning module 25 includes an LED lamp 251 fixedly connected to the side wall of the supporting plate 11 at a position corresponding to the clamping assembly 12, each warning module 25 responds to the tightening signal of the general control module 23, the locking signal of the locking module 21 of the corresponding clamping assembly 12 and the positioning signal of the sensing module 20 of the corresponding clamping assembly 12, when the warning module 25 receives the tightening signal and does not receive the locking signal nor the positioning signal, the warning module 25 controls the LED lamp 251 to be turned on, and when the warning module 25 receives the tightening signal and receives the locking signal and the positioning signal, the warning module 25 controls the LED lamp 251 to be turned on.
When the operator observes that the LED lamp 251 is lit, two situations may occur, one of which is that when the warning module 25 receives the tightening signal and does not receive the locking signal nor the positioning signal, the LED lamp 251 is lit to remind the operator not to approach the corresponding clamping assembly 12 in the sliding process of the clamping block 121, thereby ensuring the safety of the operator. Secondly, when warning module 25 received tighten up the signal and both received the locking signal and received positioning signal, it indicates that there is the foreign matter in clamping block 121 position department that perhaps is locked, needs to clear up the foreign matter, or the clamping component 12 that corresponds appears the system unusual, needs the operating personnel to inspect, through warning module 25, operating personnel can in time learn the removal state or the abnormal state of clamping block 121 to make things convenient for operating personnel to carry out safety protection and equipment inspection.
Referring to fig. 7, a limit module 26 is connected to the mounting plate 14, the limit module 26 includes a plurality of limit proximity switches 262 fixedly connected to the mounting plate 14 at a position close to the mounting groove 141 and a mounting indicator 261 fixedly connected to a side wall of the mounting plate 14, and when all the limit proximity switches 262 detect that an object exists within a set distance, the limit module 26 controls the mounting indicator 261 to light up.
When inserting panel in mounting panel 14, panel can get into the within range of spacing proximity switch 262, and at this moment, spacing module 26 control installation pilot lamp 261 lights and reminds operating personnel panel and the grafting of mounting panel 14 to target in place, if there is at least one spacing proximity switch 262 for detecting that there is the object to get into its detection range, then installation pilot lamp 261 can not light, explains that mounting panel 14 has the position of not pegging graft and target in place, needs to carry out position control.
The implementation principle of the embodiment is as follows: when the plate welding is needed, firstly, a proper mounting plate 14 is selected, the mounting plate 14 is mounted on the support plate 11, and the two plates are respectively placed on the two mounting plates 14, one end of the welding line is oppositely arranged, at the moment, an operator can firstly confirm whether the clamping blocks 121 which are not needed to be used exist, close the locking switches 211 corresponding to the clamping blocks 121, then, the single-pole double-throw switch 231 is turned to the contact point a, the driving module 22 will control the driving motor 131 to rotate, the clamping block 121 will want to slide in the direction close to the sheet material to clamp the sheet material, and stops sliding after clamping the plates, at the moment, the main motor 113 is started to drive the supporting plate 11 to move oppositely, the two plates are pressed together, the mechanical arm is operated to weld the two plates in half, after the welding is finished, when the single-pole double-throw switch 231 is turned to the b-contact, the clamping block 121 can be controlled to release the plate, and the operator can take the plate away.
The embodiments of the present invention are all preferred embodiments of the present invention, and the scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (8)

1. The utility model provides a car body welding auxiliary system, includes base (1), its characterized in that: the top surface of the base (1) is slidably connected with two horizontally arranged supporting plates (11), the two supporting plates (11) are arranged along the length direction of the base (1), the two supporting plates (11) can slide along the length direction of the base (1), a plurality of groups of clamping assemblies (12) are slidably connected onto the two supporting plates (11), the clamping assemblies (12) on the same supporting plate (11) are arranged along the length direction of the base (1), each group of clamping assemblies (12) comprises two clamping blocks (121) arranged along the width direction of the base (1), each clamping block (121) can slide along the width direction of the base (1), and a driving mechanism (13) for controlling the sliding of each clamping block (121) is arranged on each clamping block (121);
the clamping block (121) is provided with an induction module (20), the induction module (20) comprises a clamping proximity switch (201) fixedly connected to the side wall of the clamping block (121), and when the clamping proximity switch (201) detects that an object exists in a set distance, the induction module (20) sends a positioning signal;
a locking module (21) is arranged on the clamping block (121), the locking module (21) comprises a locking switch (211) fixedly connected to the clamping block (121), and when the locking switch (211) is closed, the sensing module (20) sends a locking signal;
the driving mechanism (13) is provided with a driving module (22), the driving module (22) responds to a positioning signal of the induction module (20) and a locking signal of the locking module (21), and when the driving module (22) receives the positioning signal sent by the induction module (20) or the locking signal sent by the locking module (21), the driving module (22) controls the driving mechanism (13) to stop working;
the universal driving device is characterized by further comprising a master control module (23), wherein the master control module (23) comprises a single-pole double-throw switch (231) fixedly connected to the side wall of the base (1), the single-pole double-throw switch (231) is connected with a contact and a contact, when the single-pole double-throw switch (231) is dialed to the contact a, the master control module (23) outputs a tightening signal, when the single-pole double-throw switch (231) is dialed to the contact b, the master control module (23) outputs a loosening signal, when the driving module (22) receives the tightening signal and does not receive a locking signal, the driving module (22) controls the driving motor (131) to rotate forwards, and when the driving module (22) receives the loosening signal and does not receive the locking signal, the driving module (22) controls the driving motor (131) to rotate backwards;
the timing module (24) responds to the relaxation signal of the master control module (23), starts timing according to a given time length when the timing module (24) receives the relaxation signal sent by the master control module (23), outputs a shutdown signal when timing is finished, and controls the driving motor (131) to stop rotating when the driving module (22) receives the shutdown signal;
every group clamping component (12) all is connected with warning module (25), warning module (25) include LED lamp (251) of fixed connection in backup pad (11) lateral wall corresponding clamping component (12) position department, warning module (25) are in response to the signal of tightening up of total accuse module (23), the dead signal of lock module (21) and the locating signal of response module (20), when warning module (25) received tighten up the signal and not received the dead signal of lock but not received the locating signal, warning module (25) control LED lamp (251) are lighted, when warning module (25) received tighten up the signal and not received the dead signal of lock but received the locating signal, warning module (25) control LED lamp (251) are lighted.
2. The vehicle body welding assistance system of claim 1, wherein: the positions, corresponding to the clamping blocks (121), of the top surface of the supporting plate (11) are provided with clamping chutes (122) arranged along the width direction of the base (1);
the driving mechanism (13) comprises a clamping threaded rod (132) which is rotatably connected to a position, close to the clamping sliding groove (122), of the supporting plate (11), a driving block (133) is connected to the clamping threaded rod (132) in a threaded mode, the driving block (133) is connected to the clamping sliding groove (122) in a sliding mode, the clamping block (121) is fixedly connected to the driving block (133), a driving motor (131) is fixedly connected to a position, corresponding to the end portion of the clamping threaded rod (132), of the supporting plate (11), and the clamping threaded rod (132) is fixedly connected to an output shaft of the driving motor (131).
3. The vehicle body welding assistance system of claim 2, wherein: base (1) top surface sets up main spout (111) that the length direction of following base (1) set up, base (1) is close to the position department rotation of main spout (111) and is connected with to silk screw rod (114), there is main slider (112) to the equal threaded connection in silk screw rod (114) both sides, the equal sliding connection in main spout (111) of main slider (112), the equal fixed connection in main slider (112) in backup pad (11), base (1) corresponds the position department fixedly connected with main motor (113) to silk screw rod (114) one end, to silk screw rod (114) fixed connection on the output shaft of main motor (113).
4. The vehicle body welding assistance system of claim 1, wherein: the opposite ends of the two clamping blocks (121) in the same clamping component (12) are fixedly connected with buffer blocks (123) made of elastic materials.
5. The vehicle body welding assistance system according to any one of claims 1 to 4, characterized in that: the mounting plate (14) can be detachably connected to the top surface of the supporting plate (11), the yielding groove (142) is formed in the position, corresponding to each sliding groove, of the mounting plate (14), and the mounting groove (141) matched with the car shell plate is formed in the top surface of the supporting plate (11).
6. The vehicle body welding assistance system of claim 5, wherein: be connected with spacing module (26) on mounting panel (14), spacing module (26) include a plurality of spacing proximity switches (262) and the installation pilot lamp (261) of fixed connection on mounting panel (14) lateral wall that fixed connection is close to mounting groove (141) position department in mounting panel (14), when all spacing proximity switches (262) all detected and have the object in the settlement distance, spacing module (26) control installation pilot lamp (261) light.
7. The vehicle body welding assistance system of claim 5, wherein: the middle of the top surface of the supporting plate (11) is provided with a dovetail groove (143) arranged along the length direction of the base (1), the dovetail groove (143) penetrates through the supporting plate (11) in the length direction of the base (1), the bottom surface of the mounting plate (14) is fixedly connected with a dovetail block (144), and the dovetail block (144) can be connected into the dovetail groove (143) in a sliding mode.
8. The vehicle body welding assistance system of claim 7, wherein: joint groove (145) of a plurality of vertical settings are seted up to mounting panel (14) bottom surface, equal sliding connection has joint piece (146) in joint groove (145), the length direction that joint groove (145) all can be followed to joint piece (146) slides, joint hole (148) have all been seted up to the position department that backup pad (11) top surface corresponds joint groove (145), joint piece (146) all can be pegged graft in the joint hole (148) that corresponds, joint piece (146) top fixedly connected with is followed joint handle (147) of the length direction setting of joint groove (145), joint handle (147) stretch out mounting panel (14) setting.
CN202010302437.6A 2020-04-17 2020-04-17 Auxiliary system for welding vehicle body Active CN111438478B (en)

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CN114850759B (en) * 2022-05-12 2023-10-13 盈合(深圳)机器人与自动化科技有限公司 Welding clamping fixing device
CN115430967B (en) * 2022-11-09 2023-04-25 江苏五茅建设集团有限公司 Welding device for bridge metal structural part

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