CN108555435B - Car light welding fixture - Google Patents
Car light welding fixture Download PDFInfo
- Publication number
- CN108555435B CN108555435B CN201810669646.7A CN201810669646A CN108555435B CN 108555435 B CN108555435 B CN 108555435B CN 201810669646 A CN201810669646 A CN 201810669646A CN 108555435 B CN108555435 B CN 108555435B
- Authority
- CN
- China
- Prior art keywords
- turnover
- lens
- supporting
- lamp body
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000003466 welding Methods 0.000 title claims abstract description 60
- 230000007306 turnover Effects 0.000 claims abstract description 119
- 230000007246 mechanism Effects 0.000 claims abstract description 69
- 210000001503 joint Anatomy 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/1245—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding characterised by the apparatus
- B23K20/126—Workpiece support, i.e. backing or clamping
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention discloses a car lamp welding tool, which comprises a split upper die assembly and a split lower die assembly; the upper die assembly is used for detachably fixing the lens to position the lens; the lower die assembly is used for detachably fixing a lamp body with a decorative ring, and guiding the part, protruding out of the welding rib of the lamp body, of the decorative ring to avoid the lens and then to be in seamless butt joint with the welding rib of the lens when the lamp body is assembled. According to the invention, through the cooperation of the turnover mechanism and the turnover supporting mechanism in the mold closing process, the part of the decorative ring protruding the lamp body welding rib avoids the lens, so that the interference between the lens and the lamp body decorative ring can be effectively avoided, the lamp body welding rib and the lens welding rib are smoothly butted, and the precise position assurance is provided for completely anastomotic welding the lens and the lamp body together through vibration friction welding in the follow-up process, so that the welding quality and consistency are greatly improved.
Description
Technical Field
The invention relates to the technical field of motor vehicle lamp manufacturing, in particular to a lamp welding tool.
Background
The welding procedure of the motor vehicle rear lamp is a key link in the whole production, assembly and detection processes of the rear lamp, and the welding quality directly relates to whether the functions, appearance, air tightness and strength of the product meet the design requirements and meet the requirements of customers. In the mainstream processes of car lamp welding, such as hot plate welding, vibration friction welding, ultrasonic welding and laser welding, vibration friction welding has been an indispensable important position. The welding of the car lamp mainly means that the lens and the lamp body are welded together, and the decorative ring is arranged on the lamp body before welding, and because the car lamp is required to be molded, the decorative ring protrudes out of the lamp body in the optimal friction welding pressure direction, and if the lens is detachably fixed on the upper die in a conventional mode, the lens interferes with the decorative ring of the lamp body in the die assembly process, and welding cannot be performed.
Disclosure of Invention
The invention aims to solve the technical problem that welding cannot be performed due to interference between a lens and a decorative ring protruding a welding rib on a lamp body in the die assembly process of the conventional car lamp welding tool, and provides the car lamp welding tool.
In order to achieve the above purpose, the invention provides a car lamp welding tool, which comprises a split upper die assembly and a split lower die assembly;
the upper die assembly is used for detachably fixing the lens to position the lens;
the lower die assembly is used for detachably fixing the lamp body with the decorative ring, and guiding the decorative ring to protrude out of the welding rib of the lamp body when the die is assembled to avoid the lens and then to be in seamless butt joint with the welding rib of the lens, so that interference between the lens and the decorative ring of the lamp body can be effectively avoided.
Further, the upper die assembly comprises an upper die plate and a lens fixing die;
the lens fixing mould is fixed on the upper mould plate and is used for detachably fixing the lens, so that the welding rib of the lens is opposite to the welding rib of the lamp body.
Further, the lower die assembly comprises a lower die plate, a lamp body supporting mould, a turnover mechanism and a turnover supporting mechanism;
the turnover mechanism and the turnover supporting mechanism are both fixed on the lower template, and the lamp body supporting clamping fixture is fixed on the turnover mechanism;
the lamp body supporting mould is used for detachably fixing a lamp body with a decorative ring;
the turnover mechanism is used for adjusting the lamp body to a position suitable for being in butt joint with the lens;
the turnover supporting mechanism is used for supporting the turnover mechanism which is turned in place and finely adjusting the pitch angle of the turnover mechanism.
Further, the lower die assembly further comprises a die clamping buffer mechanism arranged on the lower die plate and used for relieving fine vibration amplitude when the lower die assembly is stopped after being lifted to a specific height.
Further, the turnover mechanism and the turnover supporting mechanism are both installed on the lower template through a fixed plate.
Further, the turnover mechanism comprises a turnover plate, a turnover upright post, a turnover cylinder and a turnover limiting block;
one end of the turnover plate is arranged on the fixed plate through shaft seats and turnover shafts on two sides, the other end of the turnover plate is fixed on a base of the turnover upright post, the top end of an extending rod of the turnover cylinder is connected to the upper end of the turnover upright post through a connector and a rotating shaft, an upper base of the turnover cylinder is arranged at the bottom of the turnover cylinder, the upper base of the turnover cylinder is connected to a lower base of the turnover cylinder through a rotating shaft, and the lower base of the turnover cylinder is fixed on the fixed plate;
the turnover limiting block is fixed on the fixed plate, and a stop block protruding to the turnover plate (222) is arranged at the top of the turnover limiting block and used for limiting the upward moving height of the turnover upright post;
the base of the turnover upright post is movably arranged on the base of the turnover limiting block, and the base of the turnover upright post moves up and down between the base of the turnover limiting block and the stop block;
the lamp body supporting mould is fixed on the overturning plate.
Further, the overturning supporting mechanism comprises an overturning supporting base, a fixed supporting block, a movable supporting block and a supporting block pushing cylinder;
the support block pushing cylinder is fixed at one end of the overturning support base, the fixed support block is connected with the top end of the extending rod of the support block pushing cylinder, and the movable support block is arranged on the fixed support block;
the fixed supporting block is driven by the supporting block pushing-out cylinder to move on the overturning supporting base, and the movable supporting block moves to the lower part of the overturning plate along with the fixed supporting block and is used for supporting the overturning plate.
Further, two rows of angle adjusting screws which are arranged in parallel at intervals are arranged on the movable supporting block and are used for adjusting the angle between the movable supporting block and the fixed supporting block.
Further, the overturning supporting mechanism is provided with a pair of overturning supporting mechanisms, and the overturning supporting mechanisms are respectively arranged on two sides of the overturning mechanism.
According to the invention, through the cooperation of the turnover mechanism and the turnover supporting mechanism in the mold closing process, the part of the decorative ring protruding the lamp body welding rib avoids the lens, so that the interference between the lens and the lamp body decorative ring can be effectively avoided, the lamp body welding rib and the lens welding rib are smoothly butted, and the precise position assurance is provided for completely anastomotic welding the lens and the lamp body together through vibration friction welding in the follow-up process, so that the welding quality and consistency are greatly improved.
Drawings
FIG. 1 is a schematic diagram of the structure of one embodiment of the present invention;
FIG. 2 is a schematic diagram of a turnover mechanism according to an embodiment of the present invention;
FIG. 3 is a schematic view of a turnover support mechanism according to an embodiment of the present invention;
FIG. 4 is a schematic view of the positional relationship between the lens and the lamp body before the operation of the present invention;
FIG. 5 is a schematic view showing the positional relationship between the lens and the lamp body after the lower die is raised;
fig. 6 is a schematic view of the positional relationship of the lens after contact with the lamp body.
Description of the reference numerals
An upper die assembly 1; an upper die plate 11; a lens fixing jig 12;
a lower die assembly 2;
the lamp body supports the mould 21;
a turnover mechanism 22; a turnover shaft 220; a turnover mechanism fixing plate 221; a flipping plate 222; axle seat 223; turning the upright 224; a connector 225; a flipping cylinder 226; a flip cylinder upper base 227; a flip cylinder sub-mount 228; a flip stopper 229;
a turnover support mechanism 23; a flip support base 231; a fixed support block 232; a movable supporting block 233; a support block pushing cylinder 234; an angle adjusting screw 235;
a mold clamping buffer mechanism 24; a lower die plate 25;
a lens 3; a lamp body 4; a decorative ring 5; and welding the ribs 6.
Detailed Description
In the present invention, unless otherwise specified, terms such as "upper, lower, left, and right" are used to generally refer to "upper, lower, left, and right" of the drawings.
Example 1
As shown in fig. 1, the welding fixture for the car lamp of the embodiment comprises a split upper die assembly 1 and a split lower die assembly 2;
the upper die assembly 1 comprises an upper die plate 11 and a lens fixing die 12; the lens fixing mould 12 is fixed on the upper mould plate 11 and is used for detachably fixing the lens 3 to position the lens so that the welding rib of the lens 3 is opposite to the welding rib of the lamp body 4;
the lower die assembly 2 comprises a lower die plate 25, a lamp body supporting die 21, a turnover mechanism 22 and a turnover supporting mechanism 23; the turnover mechanism 22 and the turnover supporting mechanism 23 are installed on the lower template 25 through the fixing plate 221, and the lamp body supporting mould 21 is fixed on the turnover mechanism 22; the lamp body supporting mould 21 is used for detachably fixing the lamp body 4 with the decorative ring 5;
before die assembly, the turnover mechanism 22 adjusts the lamp body 4 to a position suitable for butt joint with the lens 3, and the part of the decorative ring 5 protruding out of the welding rib of the lamp body 4 is guided to avoid the lens 3 and then is in seamless butt joint with the welding rib of the lens 3, so that interference between the lens 3 and the decorative ring 5 of the lamp body can be effectively avoided; the overturning supporting mechanism 23 supports the overturning mechanism 22 which is overturned in place, so that the overturning mechanism 22 is kept in a stable state, when the distance between the welding rib of the lamp body 4 and the welding rib of the lens 3 is completely butted, and a tiny deviation exists, the pitch angle of the overturning mechanism 22 is finely adjusted through the overturning supporting mechanism 23, so that the pitch angle of the lamp body supporting clamping fixture 21 is finely changed, and then the butted angle of the lamp body 4 embedded in the lamp body supporting clamping fixture 21 is finely adjusted, so that the lens 3 can be butted in a tight thread joint.
Example 2
As shown in fig. 1, in the present embodiment, the lower die assembly 2 further includes a die clamping buffer mechanism 24 mounted on the lower die plate 25 for relieving fine vibration amplitude when the lower die assembly 2 is stopped after being raised to a certain height. The die assembly buffer mechanism 24 comprises 4 buffer struts with equal height, and the buffer struts are respectively arranged at four corners of the lower die plate 25; the height of the buffer support posts is larger than that of the lamp body supporting mould 21, in the mould closing process, after the lower mould plate 25 is driven by an external driving mechanism to rise to a specific height, 4 buffer support posts are contacted with four corners of the upper mould plate 11 respectively to relieve fine vibration, the turnover mechanism 22 and the turnover supporting mechanism 23 start to sequentially act and complete, the mould closing buffer mechanism 24 retracts (the buffer support posts can adopt air cylinders and extend and retract through piston rods of the air cylinders), the lower mould plate 25 continues to rise, the lens 3 embedded in the lens fixing mould 12 is contacted with the lamp body 4 embedded in the lamp body supporting mould 21, and the vibration friction welding starts to weld.
Example 3
As shown in fig. 2 and 4, in the present embodiment, the flipping mechanism 22 includes a flipping plate 222, a flipping post 224, a flipping cylinder 226, and a flipping stopper 229; one end of a turnover plate 222 is arranged on a fixed plate 221 through shaft seats 223 and turnover shafts 220 on two sides, the other end of the turnover plate 222 is fixed on a base of a turnover upright post 224, the top end of an extending rod of a turnover cylinder 226 is connected to the upper end of the turnover upright post 224 through a connector 225 and a rotating shaft, a turnover cylinder upper base 227 is arranged at the bottom of the turnover cylinder 226, the turnover cylinder upper base 227 is connected to a turnover cylinder lower base 228 through a rotating shaft, and the turnover cylinder lower base 228 is fixed on the fixed plate 221; the turnover limiting block 229 is fixed on the fixed plate 221, and has a block protruding to the turnover plate (222) at the top thereof for limiting the upward moving height of the turnover upright 224, thereby limiting the maximum turnover angle of the turnover plate 222; the base of the turnover upright post (224) is movably arranged on the base of the turnover limiting block (229), and the base of the turnover upright post (224) moves up and down between the base of the turnover limiting block (229) and the stop block; the lamp body supporting jig 21 is fixed to the turning plate 222.
As shown in fig. 3, in the present embodiment, the flipping supporting mechanism 23 has a pair, which are respectively provided on both sides of the flipping mechanism 22; each of the turnover supporting mechanisms 23 includes a turnover supporting base 231, a fixed supporting block 232, a movable supporting block 233, and a supporting block pushing cylinder 234; the supporting block pushing cylinder 234 is fixed at one end of the overturning supporting base 231, the fixed supporting block 232 is connected with the top end of the extending rod of the supporting block pushing cylinder 234, and the movable supporting block 233 is arranged on the fixed supporting block 232; the fixed support block 232 moves on the overturning support seat 231 through the driving of the support block pushing cylinder 234, and the movable support block 233 moves to the lower part of the overturning plate 222, so as to support the overturning plate 222, keep the lamp body support mould 21 on the overturning plate 222 stable, and facilitate the stable butt joint of the embedded lamp body 4 in the lamp body support mould 21 and the embedded lens 3 in the lens fixing mould 12.
Example 4
As shown in fig. 3, in this embodiment, two rows of angle adjusting screws 235 are mounted on the movable supporting block 233, and the angle adjusting screws are used for adjusting the angle between the movable supporting block 233 and the fixed supporting block 232, that is, the angle between the movable supporting block 233 and the fixed supporting block 232 is adjustable, so that the angle of the turning plate 222 supported on the movable supporting block 233 can be finely adjusted, and accurate butt joint between the lamp body 4 and the lens 3 is facilitated.
As shown in fig. 4-6, in one embodiment of the invention, the operation is as follows:
the lens 3 is embedded in the lens fixing mould 12, the lamp body 4 is embedded in the lamp body supporting mould 21, and an external driving mechanism linked with welding equipment is started to enable the lower die assembly 2 to ascend; when the lower die assembly 2 is lifted to the position shown in fig. 5, namely, when the lamp body 4 is about to contact the lens 3, the lower die assembly 2 stops lifting, the overturning cylinder 226 of the overturning mechanism 22 acts, the extending rod of the overturning cylinder 226 extends, the overturning upright post 224 connected with the extending rod of the overturning cylinder 226 is lifted upwards, and the overturning plate 222 is pushed to rotate by an A+delta A degree around the overturning shaft 220 in the shaft seat 223; meanwhile, the support block pushing cylinder 234 of the turnover support mechanism 23 pushes the fixed support block 232 to move along the turnover support base 231 toward the turnover plate 222, the movable support block 233 moves under the turnover plate 222 along with the fixed support block 232, then the extension rod of the turnover cylinder 226 is retracted, the turnover upright 224 connected with the extension rod of the turnover cylinder 226 is lowered, the turnover plate 222 is rotated by Δa degrees around the turnover shaft 220, and the turnover plate 222 is pressed against the movable support block 233. The rotation angles A and DeltaA can be pre-adjusted according to the sizes or types of the lamp body 4 and the lens 3, and the rotation angle is determined for a certain car lamp with a certain determined size or type.
If the support angle of the movable support block 233 is not suitable for friction welding, the angle adjusting screw 235 can be adjusted to enable the support angle of the movable support block 233 to reach a proper angle, so that the welding rib 6 of the lens 3 is in complete fit contact with the welding rib of the lamp body 4, and the lens 3 and the lamp body 4 are welded together in complete fit through vibration friction welding or other welding machines.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. The various possible combinations of the invention are not described in detail in order to avoid unnecessary repetition. Such simple variations and combinations are likewise to be regarded as being within the scope of the present disclosure.
Claims (2)
1. The car lamp welding tool is characterized by comprising a split upper die assembly (1) and a split lower die assembly (2);
the upper die assembly (1) is used for detachably fixing the lens (3) to position the lens;
the lower die assembly (2) is used for detachably fixing a lamp body (4) with a decorative ring (5), and guiding the part, protruding out of the welding rib of the lamp body (4), of the decorative ring (5) to avoid the lens (3) when the die is assembled, and then is in seamless butt joint with the welding rib of the lens (3);
the lower die assembly (2) comprises a lower die plate (25), a lamp body supporting mould (21), a turnover mechanism (22) and a turnover supporting mechanism (23);
the turnover mechanism (22) and the turnover supporting mechanism (23) are both fixed on the lower die plate (25), and the lamp body supporting mould (21) is fixed on the turnover mechanism (22);
the lamp body supporting mould (21) is used for detachably fixing the lamp body (4) with the decorative ring (5);
the turnover mechanism (22) is used for adjusting the lamp body (4) to a position suitable for being in butt joint with the lens (3);
the overturning supporting mechanism (23) is used for supporting the overturning mechanism (22) which is overturned in place and finely adjusting the pitch angle of the overturning mechanism (22);
the lower die assembly (2) further comprises a die clamping buffer mechanism (24) mounted on the lower die plate (25) and used for relieving fine vibration amplitude when the lower die assembly (2) stops after being lifted to a specific height;
the turnover mechanism (22) and the turnover supporting mechanism (23) are arranged on the lower die plate (25) through a fixed plate (221);
the turnover mechanism (22) comprises a turnover plate (222), a turnover upright post (224), a turnover cylinder (226) and a turnover limiting block (229);
one end of the turnover plate (222) is arranged on the fixed plate (221) through shaft seats (223) and turnover shafts (220) on two sides, the other end of the turnover plate (222) is fixed on a base of the turnover upright post (224), the top end of an extending rod of the turnover cylinder (226) is connected to the upper end of the turnover upright post (224) through a connector (225) and a rotating shaft, a turnover cylinder upper base (227) is arranged at the bottom of the turnover cylinder (226), the turnover cylinder upper base (227) is connected to a turnover cylinder lower base (228) through a rotating shaft, and the turnover cylinder lower base (228) is fixed on the fixed plate (221);
the turnover limiting block (229) is fixed on the fixed plate (221), and a stop block protruding towards the turnover plate (222) is arranged at the top of the turnover limiting block and used for limiting the upward movement height of the turnover upright post (224);
the base of the turnover upright post (224) is movably arranged on the base of the turnover limiting block (229), and the base of the turnover upright post (224) moves up and down between the base of the turnover limiting block (229) and the stop block;
the lamp body supporting mould (21) is fixed on the overturning plate (222);
the turnover supporting mechanism (23) comprises a turnover supporting base (231), a fixed supporting block (232), a movable supporting block (233) and a supporting block pushing cylinder (234);
the support block pushing cylinder (234) is fixed at one end of the overturning support base (231), the fixed support block (232) is connected with the top end of an extending rod of the support block pushing cylinder (234), and the movable support block (233) is arranged on the fixed support block (232);
the fixed supporting block (232) moves on the overturning supporting base (231) through the driving of the supporting block pushing cylinder (234), and the movable supporting block (233) moves to the lower part of the overturning plate (222) along with the fixed supporting block, so as to support the overturning plate (222);
two rows of angle adjusting screws (235) which are arranged in parallel at intervals are arranged on the movable supporting block (233) and are used for adjusting the angle between the movable supporting block (233) and the fixed supporting block (232);
the overturning supporting mechanism (23) is provided with a pair of overturning supporting mechanisms which are respectively arranged at two sides of the overturning mechanism (22).
2. The vehicle lamp welding fixture according to claim 1, wherein the upper die assembly (1) comprises an upper die plate (11) and a lens fixing die (12);
the lens fixing clamping fixture (12) is fixed on the upper template (11) and is used for detachably fixing the lens (3) so that welding ribs of the lens (3) are opposite to welding ribs of the lamp body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810669646.7A CN108555435B (en) | 2018-06-26 | 2018-06-26 | Car light welding fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810669646.7A CN108555435B (en) | 2018-06-26 | 2018-06-26 | Car light welding fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108555435A CN108555435A (en) | 2018-09-21 |
| CN108555435B true CN108555435B (en) | 2023-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810669646.7A Active CN108555435B (en) | 2018-06-26 | 2018-06-26 | Car light welding fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108555435B (en) |
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| CN108555435A (en) | 2018-09-21 |
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