CN111482749A - Flexible quick-change clamp base - Google Patents
Flexible quick-change clamp base Download PDFInfo
- Publication number
- CN111482749A CN111482749A CN201911062986.4A CN201911062986A CN111482749A CN 111482749 A CN111482749 A CN 111482749A CN 201911062986 A CN201911062986 A CN 201911062986A CN 111482749 A CN111482749 A CN 111482749A
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- CN
- China
- Prior art keywords
- clamp
- turnover
- cylinder
- clamp base
- quick
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Classifications
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- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Welding (AREA)
Abstract
A flexible quick-change clamp base is used in the field of mechanical manufacturing and welding. The cylinder body of the jacking cylinder of the floating mechanism is fixed on the clamp base, the jacking cylinder below pushes the floating mechanism to ascend to the upper limit during working, the jacking cylinder leaks during welding, the clamp body presses a compression spring down under the action of gravity to be in contact with a lower electrode of a welding gun, the clamp body starts to be welded after being stabilized, and the turnover mechanism is connected with the floating mechanism through a bearing seat and floats up and down along with the floating mechanism; the turnover cylinder of the turnover mechanism is connected with the turnover shaft on the left side, and the turnover cylinder acts to drive the clamp mounting plate on the turnover shaft to turn over; the quick positioning device is quickly positioned by the two V-shaped blocks, and the positioning holes on the two sides are accurately positioned through the positioning bolts. The utility model discloses accessible relocation mechanism, tilting mechanism and quick positioner realize the specific fluctuate of anchor clamps, rotation angle, quick location and the automatic compensation electrode wearing and tearing volume, and can cooperate triaxial straight line automatic weld machine to realize flexible welding, have reduced the production input cost, have strengthened the equipment commonality.
Description
Technical Field
The invention relates to the technical field of mechanical manufacturing and welding, in particular to a flexible quick-change clamp base for manufacturing automobile parts.
Background
At present, in the mechanical manufacturing trade such as automobile parts, the combination welding jig base only plays mounting fixture's effect, and simple structure does not have the moving mechanism, can not compensate electrode wearing and tearing volume, and the angle also can't change, if want to realize the automatic weld of all solder joints on this anchor clamps base, must put into six spot welding robots, and manufacturing cost is high.
Disclosure of Invention
In order to overcome the defect of insufficient flexibility of the conventional clamp base, the invention aims to provide a flexible quick-change clamp base which can realize up-and-down floating, overturning and quick positioning of the clamp base.
In order to achieve the purpose, the invention comprises a floating mechanism, a turnover mechanism and a quick positioning device; the cylinder body of a jacking cylinder of the floating mechanism is fixed on a clamp base, the floating mechanism is pushed to ascend to the upper limit by the jacking cylinder below when working, the jacking cylinder is deflated when welding, a compression spring is pressed by the clamp body under the action of gravity until the clamp body is contacted with a lower electrode of a welding gun, the clamp body starts to be welded after being stabilized, and the turnover mechanism is connected with the floating mechanism through a bearing seat and follows the floating mechanism to float up and down; a turning cylinder of the turning mechanism is connected with a turning shaft on the left side, and the turning cylinder acts to drive a clamp mounting plate on the turning shaft to turn; the quick positioning device is quickly positioned by two V-shaped blocks fixed on the mounting plate, and the positioning holes on two sides are accurately positioned through the positioning bolts.
The cylinder body of a jacking cylinder of the floating mechanism is fixed in the middle position below a mounting plate at the lower end of a clamp base, the upper end of a piston rod is connected with one end of a square tube at the left side and the right side of the connecting plate respectively through two ends of the connecting plate, a connecting plate at the lower end above the other end of the square tube is connected with steps at the lower ends of two guide pillars respectively, four guide rods at the left side and the right side of the square tube are in sliding fit with a guide sleeve to ensure that a floating device smoothly floats up and down, four springs are respectively installed on the four guide pillars and are located between a connecting plate at the upper ends of the guide pillars and a middle connecting plate, the middle.
The cylinder body of a turnover cylinder of the turnover mechanism is arranged on the left side of a fixture base, a piston rod is connected with a turnover shaft on the left side, the turnover shafts on the left side and the right side of the fixture base are assembled with a bearing seat, the bearing seat is connected with an upper end connecting plate of a floating mechanism, the inner sides of the turnover shafts on the left side and the right side are both connected with fixture mounting plates, a fixture body is arranged on the fixture mounting plates on the left side and the right side, limiting plates are welded on the turnover shafts on the left side and the right side; the upset cylinder action drives the upset of trip shaft, and the trip shaft passes through the anchor clamps mounting panel and drives the anchor clamps body upset 90 degrees, and by limiting plate restriction tilting mechanism's 90 degrees rotation angle, it is steady to make tilting mechanism upset action through the contact buffer.
Two V-shaped blocks of the quick positioning device are fixed on the front side of the mounting plate, and the positioning bolts are fixed in positioning holes on two sides of the mounting plate.
And the bottom of the clamp base is provided with a roller.
Compared with the prior art, the fixture can realize the up-and-down floating, the overturning angle, the rapid positioning and the automatic electrode abrasion loss compensation of the fixture body through the floating mechanism, the overturning mechanism and the rapid positioning device, can be matched with a three-axis linear automatic welding machine to realize flexible welding, reduces the production input cost and enhances the equipment universality.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a rear view of the present invention.
Detailed Description
As shown in fig. 1 and 2, the fixture base 19 of the present invention mainly includes a floating mechanism, a turnover mechanism, and a fast positioning device.
The cylinder body of the jacking cylinder 5 of the floating mechanism is fixed at the lower end of a clamp base 19 and the middle position below a mounting plate 16, the upper end of a piston rod is respectively connected with one end of a square tube 3 at the left side and the right side of the connecting plate 17 through two ends of the connecting plate 17, a lower end connecting plate 4 positioned above the other end of the square tube 3 is respectively connected with steps at the lower ends of two guide pillars 1, four guide rods 1 at the left side and the right side of the square tube 3 are in sliding fit with guide sleeves 6 to ensure that the floating device smoothly floats up and down, four springs 7 are respectively installed on the four guide pillars 1 and positioned between an upper end connecting plate 11 of the guide pillars 1 and a middle connecting plate 18, the middle connecting plates 18 at the left side. The utility model discloses a floating mechanism, including the upper and lower electrode of welder, the floating mechanism during operation promotes the floating mechanism by below jacking cylinder 5 and rises to the extreme, and jacking cylinder 5 loses heart during the welding, and the anchor clamps body is pressed compression spring 7 under receiving gravity and is contacted with welder lower electrode, begins the welding after the anchor clamps body is stable, and tilting mechanism is connected with floating mechanism through bearing frame 10 and follows the floating mechanism and fluctuate.
The cylinder body of tilting mechanism's upset cylinder 8 is installed in the left side of anchor clamps base 19, the piston rod is connected with left side trip shaft 9, the trip shaft 9 and the bearing frame 10 assembly of the anchor clamps base 19 left and right sides are in the same place, bearing frame 10 is connected with relocation mechanism's upper end connecting plate 11, the inboard anchor clamps mounting panel 2 of all connecting of the trip shaft 9 inboard of the left and right sides, the anchor clamps bodies are installed to the anchor clamps mounting panel 2 of the left and right sides, all weld limiting plate 12 on the trip shaft 9 of the left and right sides, can guarantee that the anchor clamps bodies are 90 degrees at every turn-over angle, contact buffer 13 fixes on tilting mechanism, can play the. Turnover mechanism during operation, 8 actions of upset cylinder drive trip shaft 9 upset, and trip shaft 9 passes through anchor clamps mounting panel 2 and drives the anchor clamps body 90 degrees that overturn, and by limiting plate 12 restriction turnover mechanism's 90 degrees rotation angle, make turnover mechanism upset action steady through contact buffer 13.
The quick positioning device is positioned at a fixed part below the clamp base 19 and plays a role in quick positioning. Two V-shaped blocks 14 of the quick positioning device are fixed on the front side of the mounting plate 16, and positioning bolts 15 are fixed in positioning holes on two sides of the mounting plate 16. The quick positioning device is quickly positioned by two V-shaped blocks 14 fixed on a mounting plate 16, and positioning holes on two sides are accurately positioned by a positioning bolt 15.
The bottom of the clamp base 19 is provided with rollers 20 to facilitate movement of the clamp base 19.
Claims (5)
1. The utility model provides a flexible quick change anchor clamps base which characterized in that: the clamp base (19) comprises a floating mechanism, a turnover mechanism and a quick positioning device; the cylinder body of a jacking cylinder (5) of the floating mechanism is fixed on a clamp base (19), the floating mechanism is pushed to rise to the upper limit by the jacking cylinder (5) below when working, the jacking cylinder (5) leaks during welding, the clamp body presses a compression spring (7) down by gravity to be in contact with a lower electrode of a welding gun, the clamp body starts to be welded after being stabilized, and the turnover mechanism is connected with the floating mechanism through a bearing seat (10) and floats up and down along with the floating mechanism; a turning cylinder (8) of the turning mechanism is connected with a left turning shaft (9), and the turning cylinder (8) acts to drive a clamp mounting plate (2) on the turning shaft (9) to turn; the quick positioning device is quickly positioned by two V-shaped blocks (14) fixed on the mounting plate (16), and positioning holes on two sides are accurately positioned by the positioning bolts (15).
2. The flexible quick-change clamp base of claim 1, wherein: the cylinder body of a jacking cylinder (5) of the floating mechanism is fixed at the middle position below a mounting plate (16) at the lower end of a clamp base (19), the upper end of a piston rod is respectively connected with one end of a square pipe (3) at the left side and the right side of a connecting plate (17) through the two ends of the connecting plate (17), a lower end connecting plate (4) positioned above the other end of the square pipe (3) is respectively connected with steps at the lower ends of two guide pillars (1), four guide rods (1) at the left side and the right side of the square pipe (3) are in sliding fit with a guide sleeve, the floating device is guaranteed to float up and down smoothly, the four springs (7) are respectively installed on the four guide pillars (1) and located between an upper end connecting plate (11) and a middle connecting plate (18) of each guide pillar (1), the middle connecting plates (18) on the left side and the right side are fixed to the upper end of a clamp base (19), and the front and the back of each middle connecting plate (18) are respectively fixed to the upper end of a guide sleeve (6).
3. The flexible quick-change clamp base of claim 1, wherein: the turnover mechanism is characterized in that a cylinder body of a turnover cylinder (8) of the turnover mechanism is arranged on the left side of a clamp base (19), a piston rod is connected with a turnover shaft (9) on the left side, the turnover shafts (9) on the left side and the right side of the clamp base (19) are assembled with bearing seats (10), the bearing seats (10) are connected with an upper end connecting plate (11) of the floating mechanism, clamp mounting plates (2) are connected to the inner sides of the turnover shafts (9) on the left side and the right side, clamp bodies are arranged on the clamp mounting plates (2) on the left side and the right side, limiting plates (12) are welded on the turnover shafts (9) on the left side and the right; the overturning cylinder (8) acts to drive the overturning shaft (9) to overturn, the overturning shaft (9) drives the clamp to overturn for 90 degrees through the clamp mounting plate (2), the limiting plate (12) limits the 90-degree overturning angle of the overturning mechanism, and the overturning mechanism is stably overturned through the contact buffer (13).
4. The flexible quick-change clamp base of claim 1, wherein: two V-shaped blocks (14) of the quick positioning device are fixed on the front side of the mounting plate (16), and the positioning bolts (15) are fixed in positioning holes on two sides of the mounting plate (16).
5. The flexible quick-change clamp base of claim 1, wherein: and the bottom of the clamp base (19) is provided with a roller (20).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911062986.4A CN111482749A (en) | 2019-11-04 | 2019-11-04 | Flexible quick-change clamp base |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201911062986.4A CN111482749A (en) | 2019-11-04 | 2019-11-04 | Flexible quick-change clamp base |
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CN111482749A true CN111482749A (en) | 2020-08-04 |
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CN201911062986.4A Pending CN111482749A (en) | 2019-11-04 | 2019-11-04 | Flexible quick-change clamp base |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113953999A (en) * | 2021-11-12 | 2022-01-21 | 常熟市奥特美机械自动化设备有限公司 | Automatic change workstation upset station anchor clamps quick switching mechanism |
-
2019
- 2019-11-04 CN CN201911062986.4A patent/CN111482749A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113953999A (en) * | 2021-11-12 | 2022-01-21 | 常熟市奥特美机械自动化设备有限公司 | Automatic change workstation upset station anchor clamps quick switching mechanism |
CN113953999B (en) * | 2021-11-12 | 2023-01-17 | 常熟市奥特美机械自动化设备有限公司 | Automatic change workstation upset station anchor clamps quick switching mechanism |
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