CN212918236U - Positioning hole limiting device for automobile welding - Google Patents
Positioning hole limiting device for automobile welding Download PDFInfo
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- CN212918236U CN212918236U CN202021534359.4U CN202021534359U CN212918236U CN 212918236 U CN212918236 U CN 212918236U CN 202021534359 U CN202021534359 U CN 202021534359U CN 212918236 U CN212918236 U CN 212918236U
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- screw rod
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- sliding groove
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Abstract
The utility model discloses a be used for car welded locating hole stop device belongs to the welding jig field, including base, mounting panel, spout, keysets, positioning mechanism, adjusting threaded rod, twist head, rubber ring soon, prevent changeing screw rod, angle adjustment mechanism includes adjusting hydraulic cylinder, basket of flowers screw rod, basket of flowers nut, twists the pole soon. The utility model discloses a rigid adjusting screw rod drives the screwed keysets of utensil and carries out the up-and-down motion and then realize adjusting in the spout, and the precision is higher and connect and be the rigidity, and it is less to take place the deformation volume at the during operation, and can prevent to revolve wrong head at the passive rotation of during operation through preventing changeing the screw rod, further improves this device stability, through the basket of flowers nut who sets up on adjusting the pneumatic cylinder, can revolve wrong basket of flowers nut after adjusting the pneumatic cylinder and carry out the angle fine setting, improves the angle modulation precision.
Description
Technical Field
The utility model relates to a welding jig field, especially a be used for car welded locating hole stop device.
Background
In the welding process of the vehicle body, a positioning device is required to position the vehicle body, the position of a positioning hole is usually limited by a positioning pin in the prior art, and the positioning of a part is realized by matching with other mechanisms, so that the whole structure of the vehicle body is in an integrally fixed state and cannot be subjected to position adjustment;
in the prior art, patent No. CN107186406B provides a technical solution: the lifting device comprises a base, a mounting plate, an adapter plate and a positioning mechanism, wherein two parallel vertical chutes are arranged on the side surface of the mounting plate, two I-shaped guide sliders are fixed on the inner side surface of the adapter plate and are respectively positioned in the vertical chutes, a lifting cylinder is fixed on the side surface of the mounting plate, a piston shaft of the lifting cylinder is fixed on the bottom surface of each I-shaped guide slider, a top driving wheel is arranged on the bottom surface of the mounting plate, bottom driving wheels are arranged on the bottom surface of the mounting plate, an inhaul cable is further arranged, one end of the inhaul cable is fixed on the top surface of each I-shaped guide slider, the other end of the inhaul cable is fixed on the bottom surface of each I-shaped guide.
The technical scheme solves the problem of position adjustment to a certain extent, but has the following problems that 1, the stay cable is used as a limiting structure for adjusting the height of the adapter plate, and the stay cable is longer in length and has certain ductility and elasticity as metal, so that the adapter plate can deviate in position when in use, and the positioning precision is further influenced; 2. the angle adjustment is inconvenient by simply utilizing the hydraulic cylinder, and the action precision of the hydraulic cylinder is not high, so that the adjustment is difficult to be carried out by relying on the action of the hydraulic cylinder when fine adjustment is needed, and the positioning precision is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem of proposing in the above-mentioned background art, designed a locating hole stop device for car welding.
The technical scheme of the utility model is that, the locating hole limiting device for automobile welding comprises a base, a mounting plate, a chute, a transfer plate, a positioning mechanism, an adjusting threaded rod, a screwing head, a rubber ring, an anti-rotation screw rod and an angle adjusting mechanism, wherein the mounting plate is rotatably arranged on the base, the chute is vertically arranged at the inner side of the mounting plate, the transfer plate is slidably embedded in the chute, and the positioning mechanism is arranged on the transfer plate;
the rotatable vertical cartridge of adjusting screw rod just revolves the interlock and passes from the keysets on the mounting panel, revolve and twist the head and install in adjusting screw rod upper end, the rubber ring is installed on the mounting panel upper surface and is located and revolves first below, it revolves vertical installation and passes and revolves the head and offset with the rubber ring soon to prevent changeing the screw rod, angle adjustment mechanism locates on base and the mounting panel.
Preferably, angle adjustment mechanism revolves the pole including adjusting pneumatic cylinder, basket of flowers screw rod, basket of flowers nut, revolving, adjust the pneumatic cylinder rotatable mounting in base one side and its flexible end and mounting panel one side rotatable coupling, basket of flowers screw rod installs on adjusting the pneumatic cylinder telescopic link, basket of flowers nut revolves to revolve and installs on basket of flowers screw rod, revolve to twist the pole and install in basket of flowers nut both sides.
Preferably, a hydraulic control valve is arranged on the adjusting hydraulic cylinder, and the hydraulic control valve is mounted on the base and connected with the adjusting hydraulic cylinder through a pipeline.
Preferably, the groove body of the sliding groove is in a convex shape, and the adapter plate is matched with the sliding groove in shape inside the sliding groove.
Preferably, the screwing head is provided with an extension bar, and the extension bar is installed on the side surface of the screwing head.
Advantageous effects
The utility model provides a be used for car welded locating hole stop device possesses following beneficial effect:
1. the rigid adjusting threaded rod is utilized to drive the adapter plate with the threads to move up and down in the sliding groove so as to realize adjustment, the precision is high, the connection is rigid, the deformation quantity generated during working is small, and the anti-rotation threaded rod can prevent the screwing head from passively rotating during working, so that the stability of the device is further improved;
2. through the flower basket nut that adds on adjusting the pneumatic cylinder, can adjust the roughly back of adjusting the pneumatic cylinder and twist the rotatory flower basket nut of twisting and carry out the angle fine setting, improve the angle modulation precision.
And then this device has solved the problem that proposes among the above-mentioned background art, and this device structure is comparatively simple, and the practicality is strong.
Drawings
Fig. 1 is a schematic structural view of a positioning hole limiting device for automobile welding according to the present invention;
fig. 2 is a cross sectional structure diagram of the sliding groove and the adapter plate matching part of the positioning hole limiting device for automobile welding.
In the figure, 1, a base; 2. mounting a plate; 3. a chute; 4. an adapter plate; 5. a positioning mechanism; 6. adjusting the threaded rod; 7. screwing the head; 8. a rubber ring; 9. an anti-rotation screw; 10. adjusting a hydraulic cylinder; 11. a flower basket screw; 12. a flower basket nut; 13. screwing the rod; 14. a hydraulic control valve; 15. and (5) lengthening the rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a locating hole limiting device for automobile welding comprises a base 1, a mounting plate 2, a sliding groove 3, an adapter plate 4, a locating mechanism 5, an adjusting threaded rod 6, a screwing head 7, a rubber ring 8, an anti-rotation threaded rod 9 and an angle adjusting mechanism, wherein the mounting plate 2 is rotatably mounted on the base 1, the sliding groove 3 is vertically arranged on the inner side of the mounting plate 2, the adapter plate 4 is slidably embedded in the sliding groove 3, and the locating mechanism 5 is mounted on the adapter plate 4;
the rotatable vertical cartridge of adjusting screw rod 6 is on mounting panel 2 and revolves to twist the interlock and pass from keysets 4, revolves to twist first 7 and installs in adjusting screw rod 6 upper end, and rubber ring 8 installs on mounting panel 2 upper surface and is located and revolves first 7 below, and rubber ring 8 overlaps outside adjusting screw rod 6, prevents that it revolves the screw rod 9 and revolves to twist vertical installation on revolving first 7 and pass and revolve and twist first 7 and offset with rubber ring 8, and angle adjustment mechanism locates on base 1 and mounting panel 2.
The groove body of the sliding groove 3 is in a convex shape, and the adapter plate 4 is matched with the sliding groove 3 in shape inside the sliding groove 3, so that the adapter plate 4 is clamped in the sliding groove 3.
Be equipped with extension bar 15 on screwing head 7, extension bar 15 installs on screwing head 7 side soon, and extension bar 15 has increased moment, and the staff of being convenient for twists soon.
Wherein, angle adjustment mechanism is including adjusting pneumatic cylinder 10, basket of flowers screw rod 11, basket of flowers nut 12, revolve wrong pole 13, adjust pneumatic cylinder 10 rotatable mounting in base 1 one side and its flexible end and mounting panel 2 one side rotatable coupling, it is telescopic pneumatic cylinder to adjust pneumatic cylinder 10, basket of flowers screw rod 11 is installed on adjusting pneumatic cylinder 10 telescopic link, basket of flowers nut 12 revolves to twist installs on basket of flowers screw rod 11, it installs in basket of flowers nut 12 both sides to revolve wrong pole 13, 12 bit rectangular structure both ends of basket of flowers nut are equipped with the structure of nut column structure, concrete structure can refer to the prior art of the same name.
The adjusting hydraulic cylinder 10 is provided with a hydraulic control valve 14, the hydraulic control valve 14 is installed on the base 1 and connected with the adjusting hydraulic cylinder 10 through a pipeline, the hydraulic control valve 14 is connected with an external hydraulic source, and the adjusting hydraulic cylinder 10 is controlled to extend and retract by switching an oil path for the adjusting hydraulic cylinder 10.
In this embodiment:
firstly, the device is arranged at an installation position through a base 1;
when the height of the positioning mechanism 5 on the adapter plate 4 needs to be adjusted, the screwing head 7 is screwed or the screwing head 7 is indirectly screwed through the extension rod 15, so that the adjusting threaded rod 6 is driven to rotate on the mounting plate 2, the adjusting threaded rod 6 rotates under the action of the internal thread of the adapter plate 4, the adapter plate 4 starts to move in the chute 3, the positioning mechanism is driven to move, the height adjustment of the positioning mechanism is realized, and the stability of the positioning mechanism 5 is improved by the rigid adjusting threaded rod 6;
after the screwing is in place, screwing the anti-rotation screw 9 to enable the anti-rotation screw 9 to be abutted against the rubber ring 8, and further preventing the screwing head 7 from rotating;
when the angle of the mounting plate 2 needs to be adjusted, firstly, an external hydraulic source is turned on, then the hydraulic control valve 14 is operated to control the adjusting hydraulic cylinder 10 to adjust, the adjusting hydraulic cylinder 10 stretches and retracts to drive the mounting plate 2 to rotate, after the adjusting hydraulic cylinder rotates to a position near a specified angle, a worker rotates the screw rod 13 to drive the basket nut 12 to rotate, then the two sections of basket screws 11 are tightened or extended, and then the angle of the mounting plate 2 is finely adjusted until the set angle is reached.
Claims (5)
1. A locating hole limiting device for automobile welding comprises a base (1), a mounting plate (2), a sliding groove (3), an adapter plate (4), a locating mechanism (5), an adjusting threaded rod (6), a screwing head (7), a rubber ring (8), an anti-rotation threaded rod (9) and an angle adjusting mechanism, wherein the mounting plate (2) is rotatably mounted on the base (1), the sliding groove (3) is vertically formed in the inner side of the mounting plate (2), the adapter plate (4) is slidably embedded in the sliding groove (3), and the locating mechanism (5) is mounted on the adapter plate (4);
its characterized in that, the rotatable vertical cartridge of adjusting screw rod (6) is just twisted the interlock and is passed from keysets (4) on mounting panel (2), twist first (7) and install in adjusting screw rod (6) upper end soon, rubber ring (8) are installed on mounting panel (2) upper surface and are located and twist first (7) below soon, prevent changeing screw rod (9) and twist vertical installation soon and pass and twist first (7) and rubber ring (8) counterbalance soon on twisting first (7), angle adjustment mechanism locates on base (1) and mounting panel (2).
2. The positioning hole limiting device for automobile welding as claimed in claim 1, wherein the angle adjusting mechanism comprises an adjusting hydraulic cylinder (10), a basket screw (11), a basket nut (12) and a screwing rod (13), the adjusting hydraulic cylinder (10) is rotatably mounted on one side of the base (1) and the telescopic end of the adjusting hydraulic cylinder is rotatably connected with one side of the mounting plate (2), the basket screw (11) is mounted on the telescopic rod of the adjusting hydraulic cylinder (10), the basket nut (12) is rotatably mounted on the basket screw (11), and the screwing rod (13) is mounted on two sides of the basket nut (12).
3. Positioning hole limiting device for automobile welding according to claim 2, characterized in that the adjusting hydraulic cylinder (10) is provided with a hydraulic control valve (14), and the hydraulic control valve (14) is mounted on the base (1) and connected with the adjusting hydraulic cylinder (10) through a pipeline.
4. The positioning hole limiting device for automobile welding as claimed in claim 1, wherein the groove body of the sliding groove (3) is in a convex shape, and the adapter plate (4) is matched with the sliding groove (3) in shape inside the sliding groove (3).
5. The locating hole limiting device for automobile welding as claimed in claim 1, wherein the screwing head (7) is provided with an extension bar (15), and the extension bar (15) is installed on the side surface of the screwing head (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021534359.4U CN212918236U (en) | 2020-07-29 | 2020-07-29 | Positioning hole limiting device for automobile welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021534359.4U CN212918236U (en) | 2020-07-29 | 2020-07-29 | Positioning hole limiting device for automobile welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212918236U true CN212918236U (en) | 2021-04-09 |
Family
ID=75333313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021534359.4U Active CN212918236U (en) | 2020-07-29 | 2020-07-29 | Positioning hole limiting device for automobile welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212918236U (en) |
-
2020
- 2020-07-29 CN CN202021534359.4U patent/CN212918236U/en active Active
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