CN211102390U - Car sheet metal component welded fastening device - Google Patents
Car sheet metal component welded fastening device Download PDFInfo
- Publication number
- CN211102390U CN211102390U CN201921781341.1U CN201921781341U CN211102390U CN 211102390 U CN211102390 U CN 211102390U CN 201921781341 U CN201921781341 U CN 201921781341U CN 211102390 U CN211102390 U CN 211102390U
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- positioning
- sheet metal
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- sleeve
- proximity switch
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Abstract
The utility model discloses a car sheet metal component welded fastening device, include: the frame, the positioning mechanism, induction mechanism, fixture, positioning mechanism includes the position sleeve, the locating pin, positioning spring, the position sleeve is located to the lower part slidable cover of locating pin, the position sleeve is installed on the frame, be equipped with the spacing ring on locating pin upper portion, positioning spring overlaps on locating pin is located, positioning spring's upper end and spacing ring butt, positioning spring's lower extreme and the upper end butt of position sleeve, induction mechanism includes mutual electric connection's proximity switch and alarm, proximity switch sets up in the side of locating pin below, fixture is including setting up in the grip block of locating pin top, the centre gripping drive unit of being connected with the grip block transmission. Detect the action of locating pin downstream through proximity switch to remind this sheet metal component of workman for certified products or defective products through the alarm, thereby need not the workman and need examine the sheet metal component before planting the nail, improve the efficiency of planting the nail, reduce the rejection rate.
Description
Technical Field
The utility model relates to an automobile sheet metal component welded technical field, in particular to automobile sheet metal component welded fastening device.
Background
At present, in the sheet metal part machining process, a plurality of metal product parts are formed by punching and then welded by resistance spot welding or arc welding one by one, and the machining mode is particularly widely applied to the automobile industry. To the inside small-size sheet metal component of car, the via hole has been stamped out on the sheet metal component in advance, at first need weld a nut in one side of via hole and supply the installation needs, then plant nail (welding nail) on the surface of the sheet metal component of via hole opposite side, this process can not be transferred, if plant the nail in advance, weld the nut again, this welding that can cause the nut is not accurate, form the waste product, the welding of current small-size sheet metal component all is the manual work and welds, place small-size sheet metal component on the weld fixture, corresponding welding carries out again, and when planting the nail, sometimes because of the welding that the nut was left to last process, waste product that just causes after planting the nail, need the workman to inspect the sheet metal component before planting the nail like this, but improve workman's intensity of labour, it is also hard to waste time and energy, the efficiency of planting the nail has also been reduced to two times.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a car sheet metal component welded fastening device can improve the efficiency of planting the nail, reduces the rejection rate.
According to the utility model discloses a car sheet metal component welded fastening device of embodiment, include: the device comprises a machine base, a positioning mechanism, an induction mechanism and a clamping mechanism.
The positioning mechanism comprises a positioning sleeve, a positioning pin and a positioning spring, the positioning sleeve is of a hollow structure, the axes of the positioning sleeve and the positioning pin are vertically arranged, the lower part of the positioning pin is slidably sleeved in the positioning sleeve, the positioning sleeve is installed on the base, a limiting ring extending outwards is arranged on the outer peripheral wall of the upper part of the positioning pin, the positioning spring is sleeved on the positioning pin, the upper end of the positioning spring is abutted against the limiting ring, and the lower end of the positioning spring is abutted against the upper end of the positioning sleeve;
the induction mechanism comprises a proximity switch and an alarm which are arranged on the base, the proximity switch is arranged beside the lower part of the positioning pin, and the proximity switch is electrically connected with the alarm;
the clamping mechanism comprises a clamping block arranged above the positioning pin and a clamping driving unit in transmission connection with the clamping block, and the clamping driving unit can drive the clamping block to move up and down.
According to the utility model discloses car sheet metal component welded fastening device has following beneficial effect at least: before the nails are planted, a nut is welded on one side of a through hole of a sheet metal part in advance, the nails are planted on the other side face of the sheet metal part, when the nails are planted, the sheet metal part is turned over and the through hole of the sheet metal part is butted with the upper end of a positioning pin, the outer diameter of a common limiting ring is larger than the inner diameter of the nut, the outer diameter of the limiting ring is smaller than the inner diameter of the through hole, if the nut is welded at the lower end of the through hole, the nut is sleeved at the upper end of the positioning pin and is abutted against the limiting ring, then a clamping driving unit drives a clamping block to move downwards, the clamping block presses the sheet metal part downwards, the nut on the sheet metal part pushes the positioning pin downwards through the limiting ring, a positioning spring is compressed, after a proximity switch senses that the lower end of the positioning pin moves downwards, an alarm is triggered to give an alarm to; if there is not welded nut in the low side of via hole, the locating pin is located to the direct cover of via hole on the sheet metal component, when the grip block compresses tightly the sheet metal component downwards, the sheet metal component can't with the spacing ring butt, the locating pin can not be pressed and down move, and then can not trigger the alarm and report to the police, at this moment the workman just learns that this sheet metal component is the defective work, because this sheet metal component has not welded the nut, thereby need not the workman and need examine the sheet metal component before planting the nail, improve the efficiency of planting the nail, the reduction in the number of rejects.
According to the utility model discloses a some embodiments, positioning mechanism still includes positioning nut the periphery wall of locating pin lower extreme is equipped with the external screw thread that matches with positioning nut, the locating pin lower extreme down pass behind the position sleeve from the top with positioning nut threaded connection, positioning nut and the lower extreme butt of position sleeve.
According to the utility model discloses a few embodiments, the frame is including the workstation that is the level setting, the position sleeve is installed on the position sleeve the last surface mounting of workstation has spacing post and welding fore-set.
According to the utility model discloses a some embodiments, the installation of workstation has down the installation piece that extends, the installation piece sets up in the side of position sleeve, proximity switch installs in the lower extreme of installation piece, proximity switch is the level setting, proximity switch is towards the axis of locating pin.
According to some embodiments of the utility model the up end of position sleeve is equipped with the heavy platform of down interior concave yield, heavy platform and the coaxial setting of position sleeve, the internal diameter of sinking the platform is greater than the external diameter of spacing ring, the lower extreme of spring and the bottom surface butt of sinking the platform.
According to some embodiments of the utility model be equipped with the slide rail that is vertical setting on the frame, grip block and slide rail sliding connection.
According to some embodiments of the utility model, the bottom fixedly connected with sleeve of grip block, the sleeve sets up with the locating pin is coaxial.
According to some embodiments of the utility model, centre gripping drive unit is including the centre gripping cylinder that is vertical setting, centre gripping cylinder installs on the frame, centre gripping cylinder's upper end is connected with the grip block transmission.
According to some embodiments of the utility model, the centre gripping cylinder includes cylinder body and telescopic link, the cylinder body is connected with the lower extreme transmission of telescopic link, cylinder body fixed mounting is on the frame, the upper end of telescopic link is connected with coupling assembling, coupling assembling includes locates the butt ring on the telescopic link, locates the clamping spring on the telescopic link with telescopic link threaded connection's adjusting nut, cover with grip block fixed connection's connecting block, fixed cover be equipped with the connecting hole that the axis is vertical setting on the connecting block, in the connecting hole is located to the upper end cover of telescopic link, the telescopic link is through the bottom surface butt of butt ring and connecting block, the lower extreme of clamping spring and the top surface butt of connecting block, the upper end and the adjusting nut butt of clamping spring.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.
FIG. 1 is a front sectional view of an embodiment of the present invention;
fig. 2 is a partially enlarged view of fig. 1.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. The utility model provides an each technical feature can the interactive combination under the prerequisite of conflict each other.
An automobile sheet metal part welding and fixing device according to an embodiment of the invention is described below with reference to fig. 1 and 2.
As shown in fig. 1, according to the utility model discloses an automobile sheet metal component welded fastening device includes: the device comprises a machine base 100, a positioning mechanism 200, an induction mechanism and a clamping mechanism.
As shown in fig. 2, the positioning mechanism 200 includes a positioning sleeve 210, a positioning pin 220, and a positioning spring 230, wherein the positioning sleeve 210 is a hollow structure, axes of the positioning sleeve 210 and the positioning pin 220 are both vertically arranged, a lower portion of the positioning pin 220 is slidably sleeved in the positioning sleeve 210, the positioning sleeve 210 is mounted on the base 100, a limiting ring 221 extending outward is disposed on an outer circumferential wall of an upper portion of the positioning pin 220, the positioning spring 230 is sleeved on the positioning pin 220, an upper end of the positioning spring 230 abuts against the limiting ring 221, and a lower end of the positioning spring 230 abuts against an upper end of the positioning sleeve 210;
the induction mechanism comprises a proximity switch 300 and an alarm 400 which are arranged on the machine base 100, the proximity switch 300 is arranged at the side below the positioning pin 220, and the proximity switch 300 is electrically connected with the alarm 400;
the clamping mechanism comprises a clamping block 500 arranged above the positioning pin 220 and a clamping driving unit in transmission connection with the clamping block 500, and the clamping driving unit can drive the clamping block 500 to move up and down.
Specifically, the positioning sleeve 210 is a hollow sleeve structure, the lower portion of the positioning pin 220 is slidably sleeved on the positioning sleeve 210, the outer peripheral wall of the upper portion of the positioning pin 220 is provided with a limiting ring 221 extending outwards, the positioning spring 230 is sleeved on the positioning pin 220 between the limiting ring 221 and the top surface of the positioning sleeve 210, the upper end of the positioning spring 230 is abutted to the limiting ring 221, the lower end of the positioning spring 230 is abutted to the upper end of the positioning sleeve 210, the positioning spring 230 mainly plays a role in returning, when the positioning pin 220 does not receive an external force, the positioning pin 220 returns to the original position, the proximity switch 300 is arranged on the side below the positioning pin 220, the proximity switch 300 mainly detects the downward movement of the positioning pin 220, when the positioning pin 220 moves downward to the set position, the proximity switch 300 is triggered, then the alarm 400 gives an alarm, and the position of the proximity switch.
Before the nail is planted, a nut is welded on one side of a through hole of a sheet metal part in advance, then the nail is planted on the other side face of the sheet metal part, when the nail is planted, the sheet metal part is turned over, the through hole of the sheet metal part is in butt joint with the upper end of a positioning pin 220, the outer diameter of a limiting ring 221 is larger than the inner diameter of the nut, the outer diameter of the limiting ring 221 is smaller than the inner diameter of the through hole, the outer diameter of the positioning pin 220 is smaller than the inner diameters of the nut and the through hole, if the nut is welded at the lower end of the through hole, the nut is sleeved at the upper end of the positioning pin 220 and is abutted against the limiting ring 221, then a clamping driving unit drives a clamping block 500 to move downwards, the clamping block 500 presses the sheet metal part downwards, the nut on the sheet metal part pushes the positioning pin 220 to press downwards through the limiting ring 221, a positioning spring 230 is compressed, after, then, the top surface of the sheet metal part can be planted with nails; if there is not welded nut in the low side of via hole, on locating pin 220 is located to the direct cover of via hole on the sheet metal component, when the grip block 500 compresses tightly the sheet metal component downwards, the sheet metal component can't with spacing ring 221 butt, locating pin 220 can not pressed and down move, and then can not trigger alarm 400 and report to the police, at this moment the workman just learns that this sheet metal component is the defective work, because this sheet metal component has not welded the nut, at this moment can not plant the nail to the top surface of sheet metal component, thereby need not the workman and inspect the sheet metal component before planting the nail, improve the efficiency of planting the nail, the reduction in the number of rejects.
In some embodiments of the utility model, positioning mechanism 200 still includes positioning nut 240, is equipped with the external screw thread 222 that matches with positioning nut 240 at the periphery wall of positioning pin 220 lower extreme, and positioning pin 220 lower extreme down passes behind the position sleeve 210 from the top and positioning nut 240 threaded connection, positioning nut 240 and position sleeve 210's lower extreme butt. As the elastic deformation restorability of the positioning spring 230 is reduced as time goes by, the elastic force of the positioning spring 230 can be adjusted by screwing the positioning nut 240, and also the initial position of the lower end of the positioning pin 220 can be adjusted, so that the proximity switch 300 more accurately detects the action of the downward movement of the positioning pin 220.
In some embodiments of the present invention, the machine base 100 includes a horizontally disposed working table 110, the positioning sleeve 210 is installed on the positioning sleeve 210, and the limiting column 111 and the welding top column 112 are installed on the upper surface of the working table 110. The sheet metal component can be placed on workstation 110, and spacing post 111 plays spacing effect to the sheet metal component simultaneously, and welding top post 112 plays the effect of bearing to the welding position.
In some embodiments of the present invention, the installation of the working table 110 has the installation block 113 extending downward, the installation block 113 is disposed on the side of the positioning sleeve 210, the proximity switch 300 is installed at the lower end of the installation block 113, the proximity switch 300 is horizontally disposed, and the proximity switch 300 faces the axis of the positioning pin 220. The proximity switch 300 can be installed at an adjustable height according to actual requirements.
In some embodiments of the utility model, be equipped with the heavy platform 211 of indent inwards at the up end of position sleeve 210, heavy platform 211 and the coaxial setting of position sleeve 210, the internal diameter of heavy platform 211 is greater than the external diameter of spacing ring 221, the lower extreme of spring and the bottom surface butt of heavy platform 211. When the nut on the sheet metal part presses down the limit ring 221, the limit ring 221 can be pressed in the sinking platform 211, so that the movable stroke of the positioning pin 220 is increased, and the positioning spring 230 is limited and fixed.
In some embodiments of the present invention, the slide rail 120 is vertically disposed on the base 100, and the clamping block 500 is slidably connected to the slide rail 120. The clamping block 500 can move up and down along the sliding rail 120, so that the stability of compressing the sheet metal part is improved.
In some embodiments of the present invention, the bottom of the clamping block 500 is fixedly connected with a sleeve 510, and the sleeve 510 is coaxially disposed with the positioning pin 220. During the centre gripping, grip block 500 passes through sleeve 510 and sheet metal component butt, and the upper end of locating pin 220 can stretch into in the sleeve 510, the interact of sleeve 510 and position sleeve 210 to improve the stability to the sheet metal component centre gripping.
In some embodiments of the present invention, the clamping driving unit comprises a clamping cylinder 600 with a vertical arrangement, the clamping cylinder 600 is installed on the frame 100, and the upper end of the clamping cylinder 600 is in transmission connection with the clamping block 500. The clamping cylinder 600 drives the clamping block 500 to move up and down, so that the clamping speed is increased.
The utility model discloses an in some embodiments, centre gripping cylinder 600 includes cylinder body 610 and telescopic link 620, cylinder body 610 is connected with the lower extreme transmission of telescopic link 620, cylinder body 610 fixed mounting is on frame 100, the upper end of telescopic link 620 is connected with coupling assembling 630, coupling assembling 630 includes the connecting block 631 with grip block 500 fixed connection, fixed cover locates the butt ring 632 on telescopic link 620, adjusting nut 633 with telescopic link 620 threaded connection, the centre gripping spring 634 on telescopic link 620 is located to the cover, be equipped with the connecting hole that the axis is vertical setting on connecting block 631, in the connecting hole is located to the upper end cover of telescopic link 620, telescopic link 620 is through the bottom surface butt of butt ring 632 with connecting block 631, the lower extreme of centre gripping spring 634 and the top surface butt of connecting block 631, the upper end and the adjusting nut 633 butt of centre gripping. When centre gripping sheet metal component, the upper end of telescopic link 620 is through adjusting nut 633 down pressing centre gripping spring 634, elasticity through centre gripping spring 634 is down pressed connection piece 631, and connection piece 631 drives centre gripping piece 500 and is down pressed, and then centre gripping spring 634 can provide tight elasticity to centre gripping piece 500, one can satisfy the sheet metal component of different thickness, two also improve the stability to the sheet metal component centre gripping, when loosening the sheet metal component, telescopic link 620 drives connection piece 631 and moves up through butt ring 632, connection piece 631 drives centre gripping piece 500 and moves up.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the foregoing and various other changes, omissions and deviations in the form and detail thereof may be made without departing from the scope of this invention.
Claims (9)
1. The utility model provides an automobile sheet metal component welded fastening device which characterized in that includes:
a frame (100);
the positioning mechanism (200) comprises a positioning sleeve (210), a positioning pin (220) and a positioning spring (230), wherein the positioning sleeve (210) is of a hollow structure, the axes of the positioning sleeve (210) and the positioning pin (220) are vertically arranged, the lower part of the positioning pin (220) is slidably sleeved in the positioning sleeve (210), the positioning sleeve (210) is installed on the machine base (100), a limiting ring (221) extending outwards is arranged on the outer peripheral wall of the upper part of the positioning pin (220), the positioning spring (230) is sleeved on the positioning pin (220), the upper end of the positioning spring (230) is abutted to the limiting ring (221), and the lower end of the positioning spring (230) is abutted to the upper end of the positioning sleeve (210);
the induction mechanism comprises a proximity switch (300) and an alarm (400) which are arranged on the machine base (100), the proximity switch (300) is arranged on the side below the positioning pin (220), and the proximity switch (300) is electrically connected with the alarm (400);
the clamping mechanism comprises a clamping block (500) arranged above the positioning pin (220) and a clamping driving unit in transmission connection with the clamping block (500), and the clamping driving unit can drive the clamping block (500) to move up and down.
2. The welding and fixing device for the automobile sheet metal parts according to claim 1, wherein the positioning mechanism (200) further comprises a positioning nut (240), an external thread (222) matched with the positioning nut (240) is arranged on the outer peripheral wall of the lower end of the positioning pin (220), the lower end of the positioning pin (220) penetrates through the positioning sleeve (210) from top to bottom and then is in threaded connection with the positioning nut (240), and the positioning nut (240) is abutted to the lower end of the positioning sleeve (210).
3. The automobile sheet metal part welding and fixing device is characterized in that the base (100) comprises a workbench (110) which is horizontally arranged, the positioning sleeve (210) is installed on the positioning sleeve (210), and a limiting column (111) and a welding top column (112) are installed on the upper surface of the workbench (110).
4. The automobile sheet metal part welding and fixing device according to claim 3, characterized in that the installation of workstation (110) is down extended installation piece (113), installation piece (113) sets up in the side of position sleeve (210), proximity switch (300) is installed in the lower extreme of installation piece (113), proximity switch (300) is the horizontal setting, proximity switch (300) is towards the axis of locating pin (220).
5. The automobile sheet metal part welding and fixing device is characterized in that an inward recessed sinking platform (211) is arranged on the upper end face of the positioning sleeve (210), the sinking platform (211) and the positioning sleeve (210) are coaxially arranged, the inner diameter of the sinking platform (211) is larger than the outer diameter of the limiting ring (221), and the lower end of the spring is abutted to the bottom face of the sinking platform (211).
6. The welding and fixing device for the automobile sheet metal parts according to claim 1 is characterized in that a sliding rail (120) which is vertically arranged is arranged on the base (100), and the clamping block (500) is slidably connected with the sliding rail (120).
7. The welding and fixing device for the automobile sheet metal parts is characterized in that a sleeve (510) is fixedly connected to the bottom of the clamping block (500), and the sleeve (510) and the positioning pin (220) are coaxially arranged.
8. The automobile sheet metal part welding and fixing device according to claim 1, characterized in that the clamping driving unit comprises a clamping cylinder (600) which is vertically arranged, the clamping cylinder (600) is installed on the machine base (100), and the upper end of the clamping cylinder (600) is in transmission connection with the clamping block (500).
9. The welding and fixing device for the sheet metal parts of the automobiles according to claim 8, wherein the clamping cylinder (600) comprises a cylinder body (610) and an expansion rod (620), the cylinder body (610) is in transmission connection with the lower end of the expansion rod (620), the cylinder body (610) is fixedly installed on the base (100), the upper end of the expansion rod (620) is connected with a connecting assembly (630), the connecting assembly (630) comprises a connecting block (631) fixedly connected with the clamping block (500), a butting ring (632) fixedly sleeved on the expansion rod (620), an adjusting nut (633) in threaded connection with the expansion rod (620), and a clamping spring (634) sleeved on the expansion rod (620), a connecting hole with an axis vertically arranged is arranged on the connecting block (631), the upper end of the expansion rod (620) is sleeved in the connecting hole, the expansion rod (620) is abutted against the bottom surface of the connecting block (631) through the butting ring (632), the lower end of the clamping spring (634) abuts against the top surface of the connecting block (631), and the upper end of the clamping spring (634) abuts against the adjusting nut (633).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921781341.1U CN211102390U (en) | 2019-10-22 | 2019-10-22 | Car sheet metal component welded fastening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921781341.1U CN211102390U (en) | 2019-10-22 | 2019-10-22 | Car sheet metal component welded fastening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211102390U true CN211102390U (en) | 2020-07-28 |
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ID=71694388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921781341.1U Active CN211102390U (en) | 2019-10-22 | 2019-10-22 | Car sheet metal component welded fastening device |
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| Country | Link |
|---|---|
| CN (1) | CN211102390U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114406545A (en) * | 2022-02-17 | 2022-04-29 | 洛阳理工学院 | Sliding type vehicle body welding positioning pin workbench |
-
2019
- 2019-10-22 CN CN201921781341.1U patent/CN211102390U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114406545A (en) * | 2022-02-17 | 2022-04-29 | 洛阳理工学院 | Sliding type vehicle body welding positioning pin workbench |
| CN114406545B (en) * | 2022-02-17 | 2023-12-08 | 洛阳理工学院 | Sliding type workbench for welding positioning pin on car body |
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