Auxiliary welding device for lap joint of front windshield of vehicle body
By designing welding auxiliary devices at the overlapping points of the front window of the vehicle body, and using welding robots and auxiliary devices, the problems of poor welding quality and low efficiency in traditional welding methods are solved, achieving high-quality and efficient welding effects, while eliminating the safety risks of manual operation.
Patent Information
- Application Number
- CN202420379690.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-28
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-02-28
AI Technical Summary
The welding method of the traditional front window joints of the vehicle body has poor surface quality, irregular spacing of combined spot welding welding points, poor welding quality, and a risk of falling from manual operation, resulting in low welding efficiency.
A welding auxiliary device for the lap of the front wind window of the vehicle body is designed, including a support frame, a driving member, a sliding unit and a positioning unit. The welding robot is used to cooperate with the auxiliary device to drive the sliding unit to telescope through the driving member, and the auxiliary board presses and positions the lap of the vehicle body is ensured to ensure welding accuracy and safety.
The welding quality and efficiency are improved, the surface quality of the welding joints is good, and the spacing of the combined spot welding joints is standardized, eliminating safety risks in manual welding operations.
Smart Images
Figure CN222588476U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of vehicle body welding, in particular to a welding auxiliary device for the overlap of a front windshield of a vehicle body. Background Art
[0002] During vehicle manufacturing, the stamped parts of the vehicle body need to be combined and welded according to specific procedures, and the traditional welding methods for the overlap of the front windshield of the vehicle body include: pure manual shielded welding, combined spot welding using handheld auxiliary positioning copper plate tooling combined with automatic resistance welding; however, the traditional welding methods have the following defects: 1. The shielded welding has poor surface quality of the weld points and irregular spacing of the combined spot welding points; 2. The welding quality is poor, and the defects of the weld points at the overlap need to be covered with decoration, which increases the decoration cost; 3. During manual welding, workers operate in the air on the welding tower, which poses a risk of falling and low welding efficiency. There is an urgent need for a welding auxiliary device for the overlap of the front windshield of the vehicle body to improve welding quality and efficiency and eliminate safety risks. Utility Model Content
[0003] In view of the deficiencies in the prior art, the utility model provides a welding auxiliary device for the overlap of the front windshield of a vehicle body, which solves the problems of poor manual welding quality and low welding efficiency at the overlap of the front windshield of a vehicle body.
[0004] According to an embodiment of the utility model, a welding auxiliary device for the overlap of the front windshield of a vehicle body includes a support frame, a driving member, a sliding unit, and a positioning unit; the sliding unit is slidably connected to both sides of the bottom of the support frame, the driving member is arranged in the center of the bottom of the support frame, and the driving member drives the sliding unit to reciprocate and extend; the positioning unit includes an auxiliary plate, a strip plate and a plurality of support parts fixed to the bottom end of the strip plate; the support part includes a relay block, an angle plate and a support column; the strip plate is fixed to the bottom end of the sliding unit, one side of the angle plate is detachably connected to the bottom end of the strip plate, the side of the relay block is detachably connected to the other side of the angle plate, the support column is detachably connected to the side of the relay block away from the angle plate, and an elastic adjustment sheet is fixed to the bottom of the support column, and the elastic adjustment sheet is fixed to the auxiliary plate.
[0005] Compared with the prior art, the utility model has the following beneficial effects: welding is performed using a welding robot in conjunction with an auxiliary device; before welding, the driving member is actuated, and the driving member drives the sliding unit to extend and retract downward, and after the auxiliary plate presses and positions the overlapping part of the front windshield of the vehicle body, the welding robot starts welding; the angle plate, relay block and support column are detachably connected, the angle plate can be adjusted left and right, and the relay block and the support column can be adjusted up and down, so that the auxiliary plate and the overlapping part of the front windshield of the vehicle body fit well, thereby improving welding accuracy; the elastic adjustment sheet further compensates for errors and increases welding reliability; with the cooperation of the auxiliary device, the surface quality of the welds at the overlapping part of the front windshield of the vehicle body is good, the spacing between the combined spot welding points is standardized, and the robot welding efficiency is relatively high; there is no manual welding operation, eliminating the risk of personal injury; the problem of poor manual welding quality and low welding efficiency at the overlapping part of the front windshield of the vehicle body is solved.
[0006] Preferably, it also includes a locking unit; the locking unit includes a buckle plate, a locking cylinder and a pad; the locking cylinder body is fixed on the support frame, the pad is fixed on the sliding unit, one end of the buckle plate is fixed on the pad, and a positioning hole is provided at the other end of the buckle plate; along the movement direction of the sliding unit, the buckle plate is aligned with the locking cylinder, and the locking cylinder piston rod can extend into the positioning hole to fix the sliding unit.
[0007] The advantages of adopting the above technical solution are: when not in production, the driving part drives the sliding unit to contract, and the buckle plate moves to the locking cylinder; the locking cylinder is actuated, and the locking cylinder piston rod extends out and is inserted into the positioning hole to fix the sliding unit, prevent the sliding unit from falling, and protect the pneumatic components.
[0008] Preferably, the elastic adjustment sheet is a silicon steel sheet.
[0009] The above technical solution has the advantages of easy availability of silicon steel sheets and low use cost.
[0010] Preferably, the auxiliary plate is arc-shaped, and the auxiliary plate is bent along the axial direction of the arc surface.
[0011] The above technical solution has the advantages that the special shape of the auxiliary plate adapts to the curved shape of the overlap of the front windshield of the vehicle body, and the auxiliary plate presses and positions the overlap of the front windshield of the vehicle body.
[0012] Preferably, the auxiliary plate is arranged with multiple bosses at intervals, at least one first circular hole is provided on the boss, and two second circular holes are provided on both sides of the silicon steel sheet; the silicon steel sheet is arranged on the boss, and the auxiliary plate can adjust its position on the silicon steel sheet through the first circular hole and the second circular hole.
[0013] The above technical solution has the advantages that the auxiliary plate can adjust its position on the silicon steel sheet according to the actual shape of the overlap of the front windshield of the vehicle body, and the silicon steel sheet is elastic, so the auxiliary plate can accurately position the overlap of the front windshield of the vehicle body.
[0014] Preferably, the buckle plate is L-shaped, and the positioning hole is a strip hole.
[0015] The above technical solution has the advantages that the cross-sectional area of the strip hole is large, and when unlocking, the sliding unit still has a certain upward and downward movable space, and the locking cylinder piston rod will not be stuck in the positioning hole.
[0016] Preferably, the support frame includes a frame and a base plate; the driving member is a vertical cylinder; the frame is fixed on both sides of the base plate, the vertical cylinder body is fixed in the center of the base plate, the vertical cylinder piston rod passes through the base plate and is connected to the sliding unit, and the locking cylinder body is arranged between the vertical cylinder body and the frame.
[0017] The above technical solution has the following advantages: during production, the vertical cylinder is actuated, the piston rod of the vertical cylinder drives the sliding unit to extend downward, and the auxiliary plate presses the overlap of the front windshield of the vehicle body; after welding is completed, the piston rod of the vertical cylinder drives the sliding unit to retreat.
[0018] Preferably, the sliding unit includes a guide cylinder, a base, a guide column and an I-shaped frame; the base is fixed on both sides of the I-shaped frame, and a square plate is arranged between the base and the I-shaped frame; the bottom end of the guide column is fixed on the base, the guide cylinder is fixed on the bottom plate outside the frame, and the guide column is slidably connected in the guide cylinder.
[0019] The above technical solution has the advantages that the guide cylinder plays a guiding role, the guide column is slidably connected in the guide cylinder, and the guide column has a small shaking amplitude. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 This is a structural schematic diagram of a welding auxiliary device for the overlap of a front windshield of a vehicle body according to an embodiment of the utility model;
[0021] Figure 2 for Figure 1 Right view of;
[0022] Figure 3 Schematic diagram of the structure of the positioning unit in this embodiment. DETAILED DESCRIPTION
[0023] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0024] The figure marks in the drawings of the specification include: strip plate 1, angle plate 2, relay block 3, support column 4, silicon steel sheet 5, auxiliary plate 6, frame 7, bottom plate 8, I-beam 9, vertical cylinder 10, vertical cylinder piston rod 1001, locking cylinder 11, buckle plate 12, positioning hole 1201, I-frame 13, base 14, guide column 15, guide cylinder 16, square plate 17, pad 18, base 19.
[0025] Example
[0026] like Figure 1-3 As shown, a welding auxiliary device for the overlap of the front windshield of a vehicle body includes a support frame, a driving member, a sliding unit and a positioning unit; the support frame includes an I-beam 9, a base 19, a frame 7 and a bottom plate 8; the driving member is a vertical cylinder 10; the bottom end of the frame 7 is fixed to both sides of the bottom plate 8, the bottom end of the base 19 is fixed to the top of the frame 7, and the two ends of the I-beam 9 are fixed to the top of the base 19; the cylinder body of the vertical cylinder 10 is fixed to the center of the bottom plate 8, and the vertical cylinder piston rod 1001 passes through the bottom plate 8 and the sliding unit Connection; the sliding unit includes a guide cylinder 16, a base 14, a guide column 15 and an I-shaped frame 13; the base 14 is fixed on both sides of the I-shaped frame 13, and a square plate 17 is provided between the base 14 and the I-shaped frame 13; the bottom end of the guide column 15 is fixed on the base 14, the guide cylinder 16 is fixed on the bottom plate 8 outside the frame 7, and the guide column 15 is slidably connected in the guide cylinder 16; the guide cylinder 16 plays a guiding role, the guide column 15 is slidably connected in the guide cylinder 16, and the guide column 15 has a small shaking amplitude.
[0027] like Figure 3 As shown: the positioning unit includes an auxiliary plate 6, a strip plate 1 and four support parts fixed to the bottom end of the strip plate 1; the support part includes a relay block 3, an angle plate 2 and a support column 4; the strip plate 1 is fixed to the bottom end of the sliding unit, and the strip plate 1 is provided with multiple rows of round holes; the angle plate 2 is L-shaped, and one side of the angle plate 2 is detachably connected to the bottom end of the strip plate 1 through a single row of round holes, the side of the relay block 3 is detachably connected to the other side of the angle plate 2, the upper part of the support column 4 is detachably connected to the side of the relay block 3 away from the angle plate 2, and a silicon steel sheet 5 is fixed to the bottom of the support column 4, and the silicon steel sheet 5 is connected to the auxiliary plate 6 fixed; the angle plate 2, the relay block 3 and the support column 4 are all provided with a plurality of through holes, and the various components are connected by through-hole bolts; the auxiliary plate 6 is arc-shaped, and the auxiliary plate 6 is bent along the axial direction of the arc surface, and the special shape of the auxiliary plate 6 adapts to the curved shape of the overlap of the front windshield of the vehicle body; the relay block 3 is a rectangular block, and a row of through holes is provided on the narrow end face of one side of the relay block 3, and this side is fixed to the angle plate 2; a row of through holes is provided on the wide end face on the other side of the relay block 3, and this side is fixed to the support column 4, and the support column 4 can be flexibly adjusted according to the needs. The position of the wide end face on both sides of the relay block 3
[0028] The length of the support column 4 along the length direction of the strip plate 1 increases gradually; a plurality of through holes are arranged on the top of the support column 4, the bottom ends of the two shorter support columns 4 are provided with a first connection hole, and one side of the bottom of the two longer support columns 4 is provided with a flange, and the flange is provided with a second connection hole with the bottom inclined toward the other side of the support column 4. The first connection hole and the second connection hole are used to fix the silicon steel sheet 5, and the second connection hole is arranged obliquely, so that the contact area between the silicon steel sheet 5 and the support column 4 is large and the connection is stable.
[0029] The auxiliary plate 6 is provided with a plurality of bosses arranged at intervals, at least one first circular hole is provided on the boss, and two second circular holes are provided on both sides of the silicon steel sheet 5; the silicon steel sheet 5 is arranged on the boss, and the auxiliary plate 6 can adjust its position on the silicon steel sheet 5 through the first circular hole and the second circular hole; the auxiliary plate 6 can adjust its position on the silicon steel sheet 5 according to the actual shape of the overlap of the front windshield of the vehicle body, and the silicon steel sheet 5 is elastic, and the auxiliary plate 6 accurately positions the overlap of the front windshield of the vehicle body.
[0030] like Figure 1 , Figure 2 As shown: it also includes a locking unit; the locking unit includes a buckle plate 12, a locking cylinder 11 and a pad 18; the locking cylinder 11 body is arranged between the vertical cylinder 10 body and the frame 7, the locking cylinder 11 body is fixed on the base plate 8, and the pad 18 is fixed on the I-frame 13; the buckle plate 12 is L-shaped, one end of the buckle plate 12 is fixed on the pad 18, and the other end of the buckle plate 12 is provided with a strip positioning hole 1201; along the movement direction of the sliding unit, the buckle plate 12 is aligned with the locking cylinder 11, and the piston rod of the locking cylinder 11 can extend into the positioning hole 1201 to fix the sliding unit. When not in production, the driving part drives the sliding unit to retract, and the buckle plate 12 moves to the locking cylinder 11; the locking cylinder 11 is actuated, and the piston rod of the locking cylinder 11 extends out and is inserted into the positioning hole 1201, fixing the sliding unit to prevent the sliding unit from falling and protecting the pneumatic components; the cross-sectional area of the strip hole is large, and when unlocked, the sliding unit still has a certain amount of upward and downward moving space, and the piston rod of the locking cylinder 11 will not be stuck in the positioning hole 1201.
[0031] Compared with the prior art, the utility model has the following beneficial effects: welding is performed using a welding robot in conjunction with an auxiliary device; before welding, the vertical cylinder 10 is actuated, and the vertical cylinder piston rod 1001 drives the sliding unit to extend downward, and the auxiliary plate 6 presses the overlap of the front windshield of the vehicle body; the welding robot starts welding; the angle plate 2, the relay block 3 and the support column 4 are detachably connected through the through hole, the angle plate 2 can be adjusted left and right, and the relay block 3 and the support column 4 can be adjusted up and down, so that the auxiliary plate 6 fits well with the overlap of the front windshield of the vehicle body, thereby improving the welding accuracy; the silicon steel sheet 5 is elastic, and the silicon steel sheet 5 further compensates for errors and increases the reliability of welding; with the cooperation of the auxiliary device, the surface quality of the welds at the overlap of the front windshield of the vehicle body is good, the spacing between the combined spot welding welds is standardized, and the robot welding efficiency is relatively high; the problem of poor manual welding quality and low welding efficiency at the overlap of the front windshield of the vehicle body is solved.
[0032] The above is only an embodiment of the utility model, and the common knowledge such as the known specific technical solutions and / or characteristics in the solution is not described in detail here. It should be pointed out that for those skilled in the art, without departing from the technical solution of the utility model, several deformations and improvements can be made, which should also be regarded as the protection scope of the utility model, and these will not affect the effect of the implementation of the utility model and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.
Claims
1. A welding auxiliary device for the overlap of the front windshield of a vehicle body, characterized in that: It includes a support frame, a driving member, a sliding unit, and a positioning unit; the sliding unit is slidably connected to both sides of the bottom of the support frame, the driving member is arranged in the center of the bottom of the support frame, and the driving member drives the sliding unit to reciprocate and extend; the positioning unit includes an auxiliary plate, a strip plate and a plurality of support parts fixed to the bottom end of the strip plate; the support part includes a relay block, an angle plate and a support column; the strip plate is fixed to the bottom end of the sliding unit, one side of the angle plate is detachably connected to the bottom end of the strip plate, the side of the relay block is detachably connected to the other side of the angle plate, the support column is detachably connected to the side of the relay block away from the angle plate, and an elastic adjustment sheet is fixed to the bottom of the support column, and the elastic adjustment sheet is fixed to the auxiliary plate.
2. The welding auxiliary device for the overlapped portion of the front windshield of a vehicle body according to claim 1, characterized in that: It also includes a locking unit; the locking unit includes a buckle plate, a locking cylinder and a pad; the locking cylinder body is fixed on the support frame, the pad is fixed on the sliding unit, one end of the buckle plate is fixed on the pad, and a positioning hole is provided at the other end of the buckle plate; along the movement direction of the sliding unit, the buckle plate is aligned with the locking cylinder, and the locking cylinder piston rod can extend into the positioning hole to fix the sliding unit.
3. The welding auxiliary device for the overlapped portion of the front windshield of a vehicle body according to claim 1, characterized in that: The elastic adjusting sheet is a silicon steel sheet.
4. The welding auxiliary device for the overlapped portion of the front windshield of a vehicle body according to claim 1, characterized in that: The auxiliary plate is arc-shaped; and the auxiliary plate is bent along the axial direction of the arc surface.
5. The welding auxiliary device for the overlapped portion of the front windshield of a vehicle body according to claim 4, characterized in that: The auxiliary plate is arranged with multiple bosses at intervals, at least one first circular hole is provided on the boss, and two second circular holes are provided on both sides of the silicon steel sheet; the silicon steel sheet is arranged on the boss, and the auxiliary plate can adjust its position on the silicon steel sheet through the first circular hole and the second circular hole.
6. The welding auxiliary device for the overlapped portion of the front windshield of a vehicle body according to claim 2, characterized in that: The gusset plate is L-shaped, and the positioning hole is a strip hole.
7. The welding auxiliary device for the overlapped portion of the front windshield of a vehicle body according to claim 1, characterized in that: The support frame includes a frame and a base plate; the driving member is a vertical cylinder; the frame is fixed on both sides of the base plate, the vertical cylinder body is fixed in the center of the base plate, the vertical cylinder piston rod passes through the base plate and is connected to the sliding unit, and the locking cylinder body is arranged between the vertical cylinder body and the frame.
8. The welding auxiliary device for the overlapped portion of the front windshield of a vehicle body according to claim 7, characterized in that: The sliding unit includes a guide cylinder, a base, a guide column and an I-shaped frame; the base is fixed on both sides of the I-shaped frame, and a square plate is arranged between the base and the I-shaped frame; the bottom end of the guide column is fixed on the base, the guide cylinder is fixed on the bottom plate outside the frame, and the guide column is slidably connected in the guide cylinder.