CN210587619U - Robot spot welding vertical zero degree calibrator - Google Patents

Robot spot welding vertical zero degree calibrator Download PDF

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Publication number
CN210587619U
CN210587619U CN201921407699.8U CN201921407699U CN210587619U CN 210587619 U CN210587619 U CN 210587619U CN 201921407699 U CN201921407699 U CN 201921407699U CN 210587619 U CN210587619 U CN 210587619U
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China
Prior art keywords
positioning
positioning block
zero degree
welding
spot welding
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CN201921407699.8U
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Chinese (zh)
Inventor
喻虎
谭秀阳
朱成云
郑子扬
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Great Yanlong Auto Equipment Manufacturing Co ltd
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Great Yanlong Auto Equipment Manufacturing Co ltd
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Abstract

The utility model discloses a robot spot welding vertical zero degree calibrator, which comprises a first positioning block, wherein a vertical first positioning through groove with a semicircular cross section is formed on one side wall of the first positioning block, the bottom of the first positioning block is horizontal and provided with a first positioning hole, and a strong magnet with anti-magnetization is arranged in the first positioning hole and used for adsorbing the first positioning block at a welding part; the diameter of the first positioning through groove is slightly larger than that of an electrode cap of the welding gun, so that the requirement of clearance fit between the electrode cap and the groove wall of the first positioning through groove is met. The utility model discloses a perpendicular zero degree calibrator of robot spot welding can be convenient, accurate, quick help robot debugging engineer be looked for the perpendicular zero degree of welder and plate, effectively avoids robot debugging engineer's range estimation error, improves welding quality and welding efficiency, reduces the welding cost.

Description

Robot spot welding vertical zero degree calibrator
Technical Field
The utility model belongs to the technical field of white automobile body line body welding robot resistance welding, indicate especially to be used for white automobile body line body welded robot spot welding perpendicular zero degree calibrator.
Background
In the prior art, the welding of the body-in-white line body has various welding processes, wherein spot welding is the most common welding process because metal does not need to be filled during welding, the production efficiency is high, the deformation of a weldment is small, and the automation is easy to realize. The basic principle of spot welding is to locally heat a plate by using resistance heat generated by passing current through the plate and a contact as a heat source while applying pressure to perform welding.
The specific spot welding process for welding the body-in-white line body comprises the following steps: the robot holds the servo welding gun to weld the large joint edges of two or more vehicle body parts by spot welding. In the actual welding gun pressure welding process, the angle between the welding gun electrode rod and the plate directly influences the welding quality. The angle is required to be within plus or minus 5 degrees of welding of the welding gun vertical plate. If the angle is outside this range, the solder nugget may be distorted, or the solder joint may be insufficient.
When the white automobile body line body welds at present, whether this angle is perpendicular is judged by the angle of welder electrode rod and plate by robot debugging engineer's naked eye visual inspection method, if the solder joint is at the plate back that is not convenient for observe, often can be too big because of debugging engineer's range estimation error, lead to the angle between welder electrode rod and the plate to surpass positive and negative five degrees, and then cause welding defect. After causing welding defect, the robot debugging engineer needs the anti-worker to weld the debugging work again for debugging time extension, welding cost increases, and causes the automobile body part cost extravagant.
Therefore, there is a need to overcome the above technical problems in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a perpendicular zero degree calibrator of robot spot welding can be convenient, accurate, quick help robot debugging engineer be looked for the perpendicular zero degree of welder and plate, effectively avoids robot debugging engineer's range estimation error, improves welding quality and welding efficiency, reduces the welding cost.
In order to solve the above problem, the utility model provides a following technical scheme:
the robot spot welding vertical zero degree calibrator comprises a first positioning block, wherein a vertical first positioning through groove with a semicircular cross section is formed in one side wall of the first positioning block, the bottom of the first positioning block is horizontal and is provided with a first positioning hole, and an anti-magnetization powerful magnet is installed in the first positioning hole and used for adsorbing the first positioning block at a welding position;
the diameter of the first positioning through groove is slightly larger than that of an electrode cap of the welding gun, so that the requirement of clearance fit between the electrode cap and the groove wall of the first positioning through groove is met.
It should be noted that the bottom of the first positioning block is horizontal, so that the first positioning through groove is perpendicular to the bottom, and is attached to the vehicle body plate smoothly, the positioning precision is improved, and the welding quality is ensured.
Preferably, two first positioning holes are symmetrically formed in the bottom of the first positioning block.
According to the utility model discloses a preferred technical scheme, the robot spot welding vertical zero degree calibrator still includes the second locating piece, set up vertically on a lateral wall of second locating piece, and the cross section is the semicircular second location logical groove, the bottom level of second locating piece, and set up the second locating hole, install anti-magnetized powerful magnet in the second locating hole, be used for with the second locating piece adsorb in the welding department;
the upper ends of the first positioning block and the second positioning block are respectively provided with a group of fastening through holes, and the fixing piece penetrates through the group of fastening through holes to fasten the first positioning block and the second positioning block; the first positioning groove and the second positioning groove have the same diameter, and are matched and combined to form an electrode cap limiting through hole, and the diameter of the electrode cap limiting through hole is slightly larger than that of the electrode cap, so that the requirement of clearance fit between the electrode cap and the inner wall of the electrode cap limiting through hole is met.
It should be noted that the bottom of the second positioning block is horizontal, so that the second positioning through groove is perpendicular to the bottom, and is attached to the vehicle body plate smoothly, the positioning accuracy is improved, and the welding quality is ensured.
Preferably, the fastening through holes are arranged in two groups and are respectively and symmetrically arranged at the upper ends of the first positioning block and the second positioning block.
Preferably, the bottom of the second positioning block is symmetrically provided with two second positioning holes.
Preferably, the first positioning block and the second positioning block are integrally square blocks.
Preferably, the contact part of the top surface and the side surface of the first positioning block is chamfered; and the top of the second positioning block is chamfered.
According to a concrete example of the utility model, the diameter that the groove was led to in first location is 16.4mm, the diameter of electrode cap is 16.0 mm.
According to the utility model discloses, powerful magnet's diameter is 6mm, highly is 10 mm.
Compared with the prior art, the utility model discloses an actively progress the effect and lie in:
(1) the utility model discloses a perpendicular zero degree calibrator of robot spot welding can be convenient, accurate, quick help robot debugging engineer be aimed at the perpendicular zero degree of welder and plate, effectively avoids robot debugging engineer's range estimation error, improves welding quality and welding efficiency, reduces welding cost
(2) The welding spot at an open position and a narrow position can be covered, and the field practicability is high. The workload of welding and debugging the robot by a robot debugging engineer in a reverse working mode is reduced, the welding quality of spot welding is guaranteed, the defective rate is reduced, and the precious time of field measurement construction is saved. The method can be widely applied to the field of spot welding debugging of the white body line welding robot.
Drawings
Fig. 1 is a schematic structural diagram of a robot spot welding vertical zero degree calibrator of embodiment 1.
Fig. 2 is a schematic structural diagram (bottom view angle) of the robot spot welding vertical zero degree calibrator of embodiment 1.
FIG. 3 is a schematic diagram of the application of the robot spot welding vertical zero calibrator of embodiment 1 when the width of the overlap of the car body parts is less than 20 mm.
Fig. 4 is an assembly diagram of a schematic structural diagram of the robot spot welding vertical zero degree calibrator of embodiment 2.
Fig. 5 is a schematic structural diagram of the robot spot welding vertical zero degree calibrator of embodiment 2 (with the first positioning block and the second positioning block separated).
Fig. 6 is a schematic structural view (bottom view angle) of the robot spot welding vertical zero degree calibrator of embodiment 2.
FIG. 7 is a schematic diagram of the application of the robot spot welding vertical zero calibrator of embodiment 2 when the width of the faying edge of the car body part is greater than 20 mm.
In the figure:
10-first positioning block, 11-first positioning through groove, 12-first positioning hole, (13,23) -strong magnet, 20-second positioning block, 21-second positioning through groove, 22-second positioning hole, (14,24) -fastening through hole, 40-welding gun and 50-robot spot welding vertical zero degree calibrator
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings by specific embodiments. It should be understood that the following examples are illustrative only and are not intended to limit the scope of the present invention.
Example 1
As shown in fig. 1 to 3, the embodiment provides a robot spot welding vertical zero degree calibrator, which includes a first positioning block 10, a vertical first positioning through groove 11 having a semicircular cross section is formed in a side wall of the first positioning block 10, two first positioning holes 12 are symmetrically formed in the bottom of the first positioning block 10, and anti-magnetization powerful magnets 13 are installed in the first positioning holes 12, and are used for adsorbing the first positioning block 10 at a welding position of a white body line.
The diameter of the first positioning through groove 11 is 16.4mm, which is slightly larger than the diameter of an electrode cap of a welding gun by 16.0mm, and when welding operation is executed, the electrode cap is in clearance fit with the groove wall of the first positioning through groove 11.
Of course, it is easily understood by those skilled in the art that the diameter of the first positioning through groove 11 is only slightly larger than that of the electrode cap, so as to satisfy the requirement of clearance fit between the electrode cap and the groove wall of the first positioning through groove 11. The clearance fit installation mode ensures that the electrode cap of the welding gun can conveniently enter and exit.
It should be noted that the bottom of the first positioning block 10 is horizontal, so that the first positioning through groove 11 is perpendicular to the bottom, and is attached to the vehicle body plate smoothly, thereby improving the positioning accuracy and ensuring the welding quality.
The utility model discloses a perpendicular zero degree calibrator of robot spot welding more is applicable to and uses under the condition that welding space is little and two automobile body part overlap joint limit widths are less than 20 mm. Adjusting welder's electrode cap this moment make it unilateral with the cell wall laminating of leading to groove 11 in first location, can be convenient, accurate, quick help robot debugging engineer find the vertical zero degree of welder and plate, effectively avoid robot debugging engineer's visual measurement error, improve welding quality and welding efficiency, reduce welding cost. The strong magnet 13 resists magnetization so as to adapt to a strong electromagnetic environment during welding in a welding workshop. Because most of the existing car body materials are made of iron materials, the vertical zero-degree calibrator is adsorbed on the surface of a car part in a magnet mode, so that the car part can be positioned simply and conveniently and used in actual field.
Preferably, the first positioning block 10 is a square block as a whole.
Further preferably, the contact position of the top surface and the side surface of the first positioning block 10 is chamfered. Due to the arrangement of the chamfer, the interference of the top end of the first positioning block 10 on the welding gun 40 and the sight line is reduced when the welding space is small, and the welding quality is further ensured.
The vertical zero degree calibrator of robot spot welding of this embodiment, during the use, with the vertical zero degree calibrator of robot spot welding 50 (being first locating piece) magnetic adsorption of this embodiment in white automobile body line body welding department, robot arm drives welder 40 and moves to the first location of the vertical zero degree calibrator of robot spot welding and leads to groove 11 top, then moves down, adjusts welder 40's electrode cap make it unilateral with the groove wall clearance fit laminating that leads to groove 11 of first location, can help the robot debug engineer conveniently, accurately, find the vertical zero degree of welder and plate fast.
Example 2
As shown in fig. 4 to 7, the embodiment provides a robot spot welding vertical zero degree calibrator, which further includes a second positioning block 20 based on embodiment 1, a vertical second positioning through groove 21 with a semicircular cross section is formed on one side wall of the second positioning block 20, the bottom of the second positioning block 20 is horizontal and symmetrically provided with two second positioning holes 22, and a strong anti-magnetized magnet 23 is installed in each second positioning hole 22 and used for adsorbing the second positioning block 20 at a welding position;
two groups of fastening through holes (14,24) are symmetrically formed at the upper ends of the first positioning block 10 and the second positioning block 20 respectively, and two fastening screws (not shown in the figure) penetrate through the two groups of fastening through holes (14,24) respectively to fasten the first positioning block 10 and the second positioning block 20 into a whole; the diameters of the first positioning groove 11 and the second positioning through groove 21 are the same, and the first positioning groove and the second positioning through groove are matched to form the electrode cap limiting through hole 30. The diameter of the electrode cap limiting through hole 30 is 16.4mm and is slightly larger than the diameter of the electrode cap by 16.0mm, and when welding operation is executed, the electrode cap is in clearance fit with the hole wall of the electrode cap limiting through hole 30.
Of course, it is easily understood by those skilled in the art that the diameter of the electrode cap limiting through hole 30 is only slightly larger than that of the electrode cap, so as to satisfy the requirement of clearance fit between the electrode cap and the hole wall of the electrode cap limiting through hole 30.
It should be noted that the bottom of the second positioning block 20 is horizontal, so that the second positioning through groove 21 is perpendicular to the bottom, and is attached to the vehicle body plate smoothly, thereby improving the positioning accuracy and ensuring the welding quality.
Preferably, the first positioning block 10 and the second positioning block 20 have a symmetrical structure, and when the welding space is small and the width of the joint of the two car body parts is less than 20mm, the first positioning block 10 or the second positioning block 20 can be used for positioning. Under the condition that the welding space is large and the width of the lap joint edge of the two vehicle body parts is larger than 20mm, the two vehicle body parts can be simultaneously adopted for positioning.
The utility model discloses a perpendicular zero degree calibrator of robot spot welding more is applicable to and uses under the great and two automobile body part overlap edge width of welding space is greater than 20 mm's the condition, this moment spacing through-hole 30 of electrode cap can the welder's electrode cap wraps up completely, and the welding accuracy is higher. The vertical zero degree of welder and plate is looked for to further convenient, accurate, quick help robot debugging engineer, effectively avoids robot debugging engineer's range estimation error, further improves welding quality and welding efficiency, reduces welding cost.
As will be readily understood by those skilled in the art, the number of sets of fastening through-holes (14,24) can be flexibly set depending on the actual size and fastening requirements.
Preferably, the number of the second positioning holes 22 can be flexibly set according to actual positioning requirements.
Preferably, the first positioning block 10 and the second positioning block 20 are square blocks as a whole.
Further preferably, the tops of the first positioning block 10 and the second positioning block 20 are chamfered. Due to the arrangement of the chamfer, the interference of the top end of the second positioning block 20 on the welding gun 40 and the sight line is reduced when the welding space is small, and the welding quality is further ensured.
According to the utility model discloses, the diameter of powerful magnet (13,23) is 6mm, highly is 10 mm. The diameters of the powerful magnets (13,23) are matched with the diameters of the first positioning hole 12 and the second positioning hole 22, so that the powerful magnets (13,23) can be embedded into the first positioning hole 12 and the second positioning hole 22.
According to the utility model discloses, in order to gain better adsorption effect, the aluminum product is selected to the material of first locating piece 10 and second locating piece 20. The aluminum product can effectively lighten the self weight of the spot welding vertical zero calibrator of the robot, thereby increasing the adsorption effect.
In this embodiment, the widths of the first positioning block 10 and the second positioning block 20 can be flexibly set according to the size of the welding space.
According to the present invention, the height of the first positioning block 10 and the second positioning block 20 is preferably the height of the electrode cap.
The widths of the first positioning block 10 and the second positioning block 20 are about 10mm, which is limited by the overlapping edges of the body panels.
Because the spot welding environment requires that the robot spot welding vertical zero calibrator is made tight, on one hand, the use is convenient, on the other hand, the weight can be reduced, the magnet can be conveniently adsorbed, and the space for installing the magnet and the space for vacant positions can be just met, so the length is not less than 40 mm.
According to the utility model discloses a concrete embodiment: the heights of the first positioning block 10 and the second positioning block 20 are both 20mm, which is just the height of a conventional electrode cap.
The widths of the first positioning block 10 and the second positioning block 20 are both 10 mm.
The lengths of the first positioning block 10 and the second positioning block 20 are both 40 mm.
As shown in fig. 7, when the welding space is large and the width of the lap joint of two car body parts is greater than 20mm, the robot spot welding vertical zero calibration device of the embodiment magnetically adsorbs the robot spot welding vertical zero calibration device 50 of the embodiment at the welding position of the body in white line, the robot arm drives the welding gun to move to the position above the electrode cap limiting through hole 30 of the robot spot welding vertical zero calibration device, then the welding gun moves downwards, the electrode cap of the welding gun 40 is adjusted to enable the single side of the electrode cap to be in clearance fit with the hole wall of the electrode cap limiting through hole 30, and the robot debugging engineer can be helped to conveniently, accurately and quickly find the vertical zero of the welding gun and the plate.
When the welding space is small and the width of the lap joint of the two car body parts is less than 20mm, the fastening screw of the robot spot welding vertical zero calibrator 50 of the present embodiment may be removed to separate the first positioning block 10 and the second positioning block 20, and at this time, as shown in fig. 3, the first positioning block 10 or the second positioning block 20 may be used separately as a vertical zero calibrator.
The present invention has been described in detail with reference to the specific embodiments, but the present invention is only by way of example and is not limited to the specific embodiments described above. Any equivalent modifications and substitutions to those skilled in the art are intended to be within the scope of the present invention. Accordingly, variations and modifications in equivalents may be made without departing from the spirit and scope of the invention, which is intended to be covered by the following claims.

Claims (9)

1. The robot spot welding vertical zero degree calibrator is characterized by comprising a first positioning block, wherein a vertical first positioning through groove with a semicircular cross section is formed in one side wall of the first positioning block, the bottom of the first positioning block is horizontal and is provided with a first positioning hole, and a strong magnet with magnetization resistance is installed in the first positioning hole and used for adsorbing the first positioning block at a welding position;
the diameter of the first positioning through groove is slightly larger than that of an electrode cap of the welding gun, so that the requirement of clearance fit between the electrode cap and the groove wall of the first positioning through groove is met.
2. The robot spot welding vertical zero degree calibrator according to claim 1, wherein two first positioning holes are symmetrically formed in the bottom of the first positioning block.
3. The robot spot welding vertical zero degree calibrator according to claim 1, further comprising a second positioning block, wherein a vertical second positioning through groove with a semicircular cross section is formed in one side wall of the second positioning block, the bottom of the second positioning block is horizontal and is provided with a second positioning hole, and a strong anti-magnetization magnet is installed in the second positioning hole and used for adsorbing the second positioning block at a welding position;
the upper ends of the first positioning block and the second positioning block are respectively provided with a group of fastening through holes, and the fixing piece penetrates through the group of fastening through holes to fasten the first positioning block and the second positioning block; the first positioning through groove and the second positioning through groove have the same diameter, are matched and combined into an electrode cap limiting through hole, and the diameter of the electrode cap limiting through hole is slightly larger than that of the electrode cap, so that the requirement of clearance fit between the electrode cap and the inner wall of the electrode cap limiting through hole is met.
4. The robot spot welding vertical zero degree calibrator according to claim 3, wherein there are two sets of fastening through holes symmetrically disposed at upper ends of the first and second positioning blocks, respectively.
5. The robot spot welding vertical zero degree calibrator according to claim 3, wherein the bottom of the second positioning block is symmetrically provided with two second positioning holes.
6. The robot spot welding vertical zero degree calibrator according to claim 2, wherein the first and second positioning blocks are square block-shaped as a whole.
7. The robot spot welding vertical zero degree calibrator according to claim 3, wherein a contact position of a top surface and a side surface of the first locating block is chamfered; the contact position of the top surface and the side surface of the second positioning block is a chamfer.
8. A robot spot welding vertical zero degree calibrator according to any one of claims 1-7, wherein a diameter of the first positioning channel is 16.4 mm.
9. The robot spot welding vertical zero degree calibrator of claim 8, wherein the powerful magnet has a diameter of 6mm and a height of 10 mm.
CN201921407699.8U 2019-08-28 2019-08-28 Robot spot welding vertical zero degree calibrator Active CN210587619U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921407699.8U CN210587619U (en) 2019-08-28 2019-08-28 Robot spot welding vertical zero degree calibrator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921407699.8U CN210587619U (en) 2019-08-28 2019-08-28 Robot spot welding vertical zero degree calibrator

Publications (1)

Publication Number Publication Date
CN210587619U true CN210587619U (en) 2020-05-22

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Application Number Title Priority Date Filing Date
CN201921407699.8U Active CN210587619U (en) 2019-08-28 2019-08-28 Robot spot welding vertical zero degree calibrator

Country Status (1)

Country Link
CN (1) CN210587619U (en)

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