CN112518101A - Friction welding clamping fixture for car lamp lens and working method - Google Patents
Friction welding clamping fixture for car lamp lens and working method Download PDFInfo
- Publication number
- CN112518101A CN112518101A CN202011327028.8A CN202011327028A CN112518101A CN 112518101 A CN112518101 A CN 112518101A CN 202011327028 A CN202011327028 A CN 202011327028A CN 112518101 A CN112518101 A CN 112518101A
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- sliding block
- limiting
- screw
- base
- fixed
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- 238000003466 welding Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims description 11
- 239000012528 membrane Substances 0.000 claims description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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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
- B23K20/26—Auxiliary equipment
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
Abstract
The invention relates to a fixing device for a friction welding fixture of a vehicle lamp lens.A base is fixed on an upper template, the lower part of the base is provided with a downward slide way which inclines inwards, and a slide block matched with the slide way is arranged in the slide way; a fixing screw is arranged on the base, passes through the sliding block from bottom to top and can be fixed with the base through a limiting part at the front end of the fixing screw; the lower part of the axial position of the limit screw is provided with a notch, the limit screw penetrates through a preformed hole on the slide block corresponding to the notch part from bottom to top along the slide way direction and is fixed on the base, the root part of the limit screw is provided with a limit terminal, the limit terminal is positioned in the notch and has a gap with the top of the notch, and the stroke required by the gap is S; the drag hook insert is fixed on the sliding block; the limiting buckle is fixed on the lower template lifting structure and is detachably connected with the drag hook insert; the sliding block is provided with a limiting part for limiting the product foot of the lens, and when the sliding block slides downwards along the slide way in an inclined way, the limiting part can be separated from limiting the product foot.
Description
Technical Field
The invention relates to a friction welding clamping fixture fixing device for a vehicle lamp lens, and belongs to the technical field of clamping fixtures for plastic parts of vehicle lamps.
Background
The friction welding method for the light distribution lens and the lamp body of the automobile lamp is the most extensive method at present, and the friction welding mould adopts different designs according to the structure of the automobile lamp.
And (3) friction welding process: the lens is fixed on the upper die, the lamp body is fixed on the lower die, then the die is closed, the lens is fixed on the upper die by the fixing device, and the upper die is oscillated in high frequency to carry out friction welding (the oscillation direction is the left-right direction). The fixing device is fixed by supporting the product leg of the lens, the product leg is supported by the fixing device in the welding process, and the fixing device returns after the welding is finished to take out the car lamp.
The conventional fixing device realizes the functions of advancing and retreating by depending on a pneumatic spring, the product foot retracts into the surface of the product, and a transverse core-pulling action needs to be independently carried out, and meanwhile, the fixing device is ensured not to retreat in high-frequency oscillation by locking a screw, so that the mode has the disadvantages of complex structure, high cost and poor reliability.
Disclosure of Invention
The invention relates to a fixing device for a friction welding fixture of a vehicle lamp lens, which adopts a fixing mode between an inclined slide block and a base, improves the connection reliability between an upper die and a lower die during friction welding, realizes synchronization of die withdrawal and core pulling, avoids the independent implementation of transverse core pulling action of screws, simplifies the structure of the fixing device, reduces the cost and also improves the reliability.
The invention adopts the following technical scheme:
a friction welding mould fixing device for a car lamp lens is characterized in that a base 1 is fixed on an upper template, the lower part of the base 1 is provided with a downward slide way which inclines inwards, and a slide block 3 matched with the slide way is arranged in the slide way; a fixing screw 2 is arranged on the base 1, passes through the sliding block 3 from bottom to top and can be fixed with the base 1 through a limiting part 7a at the front end of the fixing screw; the lower part of the axial position of the limit screw 5 of the sliding block 3 is provided with a notch, the limit screw 5 passes through a preformed hole corresponding to the notch position on the sliding block 3 from bottom to top along the slide way direction and is fixed on the base 1, the root of the limit screw 5 is provided with a limit terminal 5a, the limit terminal 5a is positioned in the notch and has a gap with the top of the notch, and the stroke required by the gap is S; the drag hook insert 6 is fixed on the slide block 3; the limiting buckle 8 is fixed on the lower template lifting structure and is detachably connected with the drag hook insert 6; the sliding block 3 is provided with a limiting part 9 used for limiting a product foot b of the lens, and when the sliding block 3 slides downwards along the slideway in an inclined mode, the limiting part 9 can be separated from limiting the product foot b.
Preferably, the bottom of the fixing screw 2 is provided with a screw knob 7 which is arranged on the lower membrane lifting structure and can rotate at any angle and lift by means of motor control.
A working method of a friction welding fixture fixing device for a vehicle lamp lens comprises the following steps: the lens is fixed to the upper die, the lower die rises, the lower die pushes the sliding block 3 to move along the direction of the guide rail 4, after the bottom surface of the sliding block 3 is attached to the base 1, the screw knob 7 rotates, the fixing screw 2 rises, and the sliding block 3 is fixed with the base through the limiting part 7 a; rotating the screw knob to start welding; after welding, the screw knob 7 rotates, the fixing screw 2 is screwed out, and the screwing-out distance is greater than the stroke S; then the lower die descends, the limit buckle 8 drives the slide block to slide downwards along the guide rail direction in an inclined manner through the drag hook insert 6, after the sliding stroke S, the limit terminal 5a of the limit screw 5 limits the slide block to continue sliding, and the limit buckle 8 continues to be disengaged with the lower die; and taking out the car lamp.
Preferably, the limit buckle 8 is monitored by a pressure sensor, and the boss retracts after the stress reaches a set value, so that the limit buckle is separated from the drag hook insert 6.
The invention has the beneficial effects that:
1) the fixing mode between the inclined slide block and the base is adopted, so that the connection reliability between the upper die and the lower die is improved during friction welding;
2) the mould stripping and core pulling are synchronous, the transverse core pulling action of the screw is avoided being independently implemented, the structure of the fixing device is simplified, the cost is reduced, and meanwhile, the reliability is also improved.
3) The slider inclining inwards and downwards can also complete the action of separating from the lens product foot, the design is ingenious, and a transverse core pulling is not needed.
Drawings
FIG. 1 is a schematic view of a vehicle lamp lens.
Fig. 2 is a schematic view of a lens product foot for a vehicle lamp.
FIG. 3 is a schematic view of a friction welding fixture for a lens of a vehicular lamp according to the present invention.
Fig. 4 is a cross-sectional view of the fixation device.
In the figure, 1, a base, 2, a fixing screw, 3, a sliding block, 4, a guide rail, 5, a limiting screw, 6, a drag hook insert, 7, a screw knob, 8, a limiting buckle and 9, a limiting part are arranged; a. a product surface of the lens, b. a product foot of the lens; 100. the upper die 200, the fixing device 300, the lower die.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1-4, a friction welding clamping fixture for a vehicle lamp lens, a base 1 is fixed on an upper template, the lower part of the base 1 is provided with a downward and inward inclined slide way, and a slide block 3 matched with the slide way is arranged in the slide way; a fixing screw 2 is arranged on the base 1, passes through the sliding block 3 from bottom to top and can be fixed with the base 1 through a limiting part 7a at the front end of the fixing screw; the lower part of the axial position of the limit screw 5 of the sliding block 3 is provided with a notch, the limit screw 5 passes through a preformed hole corresponding to the notch position on the sliding block 3 from bottom to top along the slide way direction and is fixed on the base 1, the root of the limit screw 5 is provided with a limit terminal 5a, the limit terminal 5a is positioned in the notch and has a gap with the top of the notch, and the stroke required by the gap is S; the drag hook insert 6 is fixed on the slide block 3; the limiting buckle 8 is fixed on the lower template lifting structure and is detachably connected with the drag hook insert 6; the sliding block 3 is provided with a limiting part 9 used for limiting a product foot b of the lens, and when the sliding block 3 slides downwards along the slideway in an inclined mode, the limiting part 9 can be separated from limiting the product foot b.
In this embodiment, referring to fig. 4, the bottom of the fixing screw 2 is provided with a screw knob 7 which is mounted on the lower membrane lifting structure and can rotate at any angle and lift by means of motor control.
The installation mode is as follows: the base 1 is fixed on the upper template; the sliding block 3 is arranged on the base and connected with the guide rail 4, and can slide along the guide rail (the guide rail is inclined, so that the core pulling function is realized); the outer hexagon screw 2 is arranged on the base, the front end of the outer hexagon screw is provided with a guide section without threads, and the outer hexagon screw is screwed in and out along the self axial direction; the limit screw 5 is fixed on the base, and a gap is formed between the limit screw and the sliding block 3, and the gap is the required stroke S; the drag hook insert is fixed on the slide block by a screw; the screw knob 7 is arranged on the lower die lifting plate, can rotate at any angle and can lift by being controlled by a motor; the limit buckle 8 is fixed on the lower mould lifting plate.
The working principle is as follows: the lens is fixed to the upper die, the lower die rises, the lower die pushes the sliding block 3 to move along the direction of the guide rail 4, after the bottom surface of the sliding block 3 is attached to the base 1, the screw knob 7 rotates to fix the sliding block and the base, the screw knob retreats, and welding is started; after welding, the screw knob 7 rises to screw out the screw (the screwing-out distance needs to be larger than the required stroke S); then the lower die descends, the limit buckle 8 drives the slide block to slide along the guide rail direction through the drag hook insert 6, after the sliding stroke S, the limit screw 5 limits the slide block to continue sliding, and the limit buckle 8 continues to be separated from the lower die; and taking out the car lamp, and finishing the process. The limit buckle 8 can be monitored by a pressure sensor, and the boss retracts after the stress reaches a set value, so that the limit buckle is separated from the drag hook insert 6.
While the preferred embodiments of the present invention have been described, it will be appreciated by those skilled in the art that changes and modifications may be made thereto without departing from the general inventive concept, and it is intended to cover all such changes and modifications as fall within the true spirit and scope of the appended claims.
Claims (4)
1. The utility model provides a car light lens friction weld child fixing device which characterized in that:
the base (1) is fixed on the upper template, the lower part of the base (1) is provided with a downward slide way which inclines towards the inner side, and a slide block (3) matched with the slide way is arranged in the slide way;
a fixing screw (2) is arranged on the base (1), passes through the sliding block (3) from bottom to top and can be fixed with the base (1) through a limiting part (7a) at the front end of the fixing screw;
the sliding block (3) is provided with a notch at the lower part of the axial position of the limit screw (5), the limit screw (5) penetrates through a preformed hole corresponding to the notch on the sliding block (3) from bottom to top along the slide way direction and is fixed on the base (1), the root of the limit screw (5) is provided with a limit terminal (5a), the limit terminal (5a) is positioned in the notch and has a gap with the top of the notch, and the stroke required by the gap is S;
the drag hook insert (6) is fixed on the sliding block (3);
the limiting buckle (8) is fixed on the lower template lifting structure and is detachably connected with the drag hook insert (6);
the sliding block (3) is provided with a limiting part (9) used for limiting a product foot (b) of the lens, and when the sliding block (3) slides downwards along the slide way in an inclined mode, the limiting part (9) can be separated from limiting the product foot (b).
2. The friction welding clamping fixture for a vehicle lamp lens according to claim 1, characterized in that: the bottom of the fixing screw (2) is provided with a screw knob (7) which is arranged on the lower membrane lifting structure, and the lower membrane lifting structure can rotate at any angle and lift by means of motor control.
3. A method for operating a friction welding jig for a lens of a vehicle lamp according to claim 2, characterized in that: the method comprises the following steps:
the lens is fixed to the upper die, the lower die rises, the lower die pushes the sliding block (3) to move along the direction of the guide rail (4), after the bottom surface of the sliding block (3) is attached to the base (1), the screw knob (7) rotates, the fixing screw (2) rises, and the sliding block (3) is fixed with the base through the limiting part (7 a);
rotating the screw knob to start welding;
after welding is finished, the screw knob (7) rotates, the fixing screw (2) is screwed out, and the screwing-out distance is greater than the stroke S;
then the lower die descends, the limiting buckle (8) drives the sliding block to slide downwards along the guide rail direction in an inclined mode through the drag hook insert (6), after the sliding stroke S is completed, the limiting terminal (5a) of the limiting screw (5) limits the sliding block to continue sliding, and the limiting buckle (8) continues to be disengaged from the lower die;
and taking out the car lamp.
4. The method of operation of claim 3, wherein: the limit buckle (8) is monitored by a pressure sensor, and the boss retreats after the stress reaches a set value, so that the limit buckle is separated from the drag hook insert (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011327028.8A CN112518101B (en) | 2020-11-24 | 2020-11-24 | Friction welding clamping fixture for car lamp lens and working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011327028.8A CN112518101B (en) | 2020-11-24 | 2020-11-24 | Friction welding clamping fixture for car lamp lens and working method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112518101A true CN112518101A (en) | 2021-03-19 |
| CN112518101B CN112518101B (en) | 2022-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011327028.8A Active CN112518101B (en) | 2020-11-24 | 2020-11-24 | Friction welding clamping fixture for car lamp lens and working method |
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| Country | Link |
|---|---|
| CN (1) | CN112518101B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202357384U (en) * | 2011-11-16 | 2012-08-01 | 浙江天翀车灯集团有限公司 | Taper pin type slide block demolding mechanism of automobile lamp mold |
| CN103921438A (en) * | 2014-04-10 | 2014-07-16 | 丹阳谊善车灯设备制造有限公司 | Welding mold of rear automobile fog lamp |
| KR20160065655A (en) * | 2014-12-01 | 2016-06-09 | 현대아이에이치엘 주식회사 | Product process for vehicle lamp using vibration welding |
| CN109016276A (en) * | 2018-09-26 | 2018-12-18 | 华域视觉科技(上海)有限公司 | A kind of pitched roof mechanism suitable for low-angle |
| CN210254676U (en) * | 2019-04-24 | 2020-04-07 | 三阳机车工业有限公司 | Motorcycle lampshade ultrasonic welding tool |
-
2020
- 2020-11-24 CN CN202011327028.8A patent/CN112518101B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202357384U (en) * | 2011-11-16 | 2012-08-01 | 浙江天翀车灯集团有限公司 | Taper pin type slide block demolding mechanism of automobile lamp mold |
| CN103921438A (en) * | 2014-04-10 | 2014-07-16 | 丹阳谊善车灯设备制造有限公司 | Welding mold of rear automobile fog lamp |
| KR20160065655A (en) * | 2014-12-01 | 2016-06-09 | 현대아이에이치엘 주식회사 | Product process for vehicle lamp using vibration welding |
| CN109016276A (en) * | 2018-09-26 | 2018-12-18 | 华域视觉科技(上海)有限公司 | A kind of pitched roof mechanism suitable for low-angle |
| CN210254676U (en) * | 2019-04-24 | 2020-04-07 | 三阳机车工业有限公司 | Motorcycle lampshade ultrasonic welding tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112518101B (en) | 2022-06-14 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20231121 Address after: No. 88 Xinhe South Road, Liuyang Economic Development Zone (High tech Zone), Changsha City, Hunan Province, 410323 Patentee after: Huayu vision technology (Changsha) Co.,Ltd. Address before: 201821 No. 767, Yecheng Road, Shanghai, Jiading District Patentee before: HUAYU VISION TECHNOLOGY (SHANGHAI) Co.,Ltd. |
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| TR01 | Transfer of patent right |