CN209125189U - A kind of fork carriage clamping positioning mechainsm welded for automating roller shaft - Google Patents

A kind of fork carriage clamping positioning mechainsm welded for automating roller shaft Download PDF

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Publication number
CN209125189U
CN209125189U CN201821919330.0U CN201821919330U CN209125189U CN 209125189 U CN209125189 U CN 209125189U CN 201821919330 U CN201821919330 U CN 201821919330U CN 209125189 U CN209125189 U CN 209125189U
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China
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clamping device
fixedly connected
fork carriage
fixture
automating
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CN201821919330.0U
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郑丽红
田星亮
黄少杰
司育进
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Anhui Heli Co Ltd
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Anhui Heli Co Ltd
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Abstract

The utility model discloses a kind of for automating the fork carriage clamping positioning mechainsm of roller shaft welding, including the fixture for overturning, and it is fixedly connected on left and right clamping device and front and back clamping device on the axial horizontal plane of fixture, horizontally disposed platform is fixedly connected on support frame as described above, the left and right clamping device and front and back clamping device are fixedly connected on the end face of platform, and the front and back clamping device and left and right clamping device are set as upper and lower structures.The utility model passes through positioning accuracy of alignment, enable and angles of product is adjusted flexibly when automatic welding, it also can effectively guarantee the synchronism in clamping process in clamping device, this kind of mechanism is propped up fork carriage by expansionary force from inside to outside simultaneously, guarantee tooling on welding without influence, and the fixture of this kind of positioning mechanism adjusts the error that labor intensity of workers and clamping generation are reduced by air motor and cylinders providing power, improves the precision of Product jointing.

Description

A kind of fork carriage clamping positioning mechainsm welded for automating roller shaft
Technical field
It is specially a kind of for automating the fork carriage of roller shaft welding the utility model relates to clamping position technical field Clamping positioning mechainsm.
Background technique
Fork carriage is the important component that fork truck realizes material lifting, and primary structure is Welding frame structure.For reality Show enhanced feature, thereon the roller shaft of generally symmetrical three pairs of welding or more, to install directive wheel, to ensure that freight lifting is stablized Property, it is very high that roller shaft welds concentricity requirement;Traditional roller shaft is welded as human weld, and used in different model and tonnage fork car Fork carriage is many kinds of, and fork carriage welding clamping positioning tool is also many kinds of when roller shaft being caused to weld.If using automatic Change welding, fork carriage centering not can guarantee again, not can guarantee so as to cause idler wheel axial symmetry and concentricity, influence product quality, And existing technique has the following disadvantages;
1, cannot achieve automatic welding: traditional clamping fixture head cannot achieve synchronous clamping, look into neutrality, be unable to satisfy Automatic Welding Process;
2, there are many number of molds: traditional moulds are rigidity positioning, are unable to satisfy multiple product, clamping position number of molds is very It is more;
3, inefficiency: switching production product every time is required to more mold exchange, production efficiency is low;
4, quality problems are easily caused: since centering manually measures completely, artificial quality problems easily occur.
Utility model content
The purpose of this utility model is to provide a kind of for automating the fork carriage clamping positioning mechainsm of roller shaft welding, To solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of for automating roller shaft welding Fork carriage clamping positioning mechainsm, including the fixture for overturning, and the left and right being fixedly connected on the axial horizontal plane of fixture Clamping device and front and back clamping device, the fixture include turnover disc and support frame, and the turnover disc is fixedly connected on support The vertical direction of frame side, and centre is fixedly connected with to provide the shaft of rotatory force, fixed company on support frame as described above It is connected to horizontally disposed platform, the left and right clamping device and front and back clamping device are fixedly connected on the end face of platform, institute It states front and back clamping device and left and right clamping device is set as upper and lower structures, and install on the end face of front and back clamping device useful In the supporting block for being fixedly connected with fork carriage, the front and back clamping device and left and right clamping device pass through expansionary force to fork carriage into Row clamping.
The center of the left and right clamping device is provided with gear, and left and right clamping device is set as centered on gear Two identical clamping devices of point symmetry, one of clamping device include cylinder, side connecting plate, lazy-tongs, circular rack With the first guiding axis, the output end of the cylinder is fixedly connected with side connecting plate, and the other end of the side connecting plate is fixedly connected Have the lazy-tongs moved axially along cylinder, be respectively fixedly connected on the medial surface of the side connecting plate for gear screw thread The circular rack of connection and for providing the first guiding axis of guiding, first guiding axis is slidably connected at another clamping machine On tailgate set by the cylinder end of structure.
The air motor being used to provide power is provided on the front and back clamping device, the output end of the air motor is set It is equipped with the screw rod being mounted on bearing block, the both ends of the screw rod are respectively sleeved on left-handed feed screw nut and dextrorotation feed screw nut, It is threaded with guide shaft mounting plate on the left-handed feed screw nut and dextrorotation feed screw nut, the end face of the guide shaft mounting plate is solid Surely it is connected with for clamping and can do along the axial direction of screw rod close or disengaging movement short fixture, it is same on the guide shaft mounting plate When be fixedly connected with the second guiding axis for guiding.
The supporting block is provided with 4 altogether on the clamping device of front and back, and is distributed in four turnings of front and back clamping device Place.
The bearing for being used to support screw rod is provided in the bearing block.
As shown from the above technical solution, the utility model is by positioning accuracy of alignment, the technique for meeting automatic welding, Tooling tool can rotate simultaneously, enable and angles of product is adjusted flexibly when automatic welding, also can be effective in clamping device The synchronism guaranteed in clamping process, thus reach Product jointing process to neutrality so that level is sought in Automation of Welding True property improves, while this kind of mechanism is propped up fork carriage by expansionary force from inside to outside, guarantee tooling on welding without influence, and it is real Flexible positioning clamping is showed;And the fixture of this kind of positioning mechanism is adjusted by air motor and cylinders providing power, reduces worker The error that labor intensity and clamping generate, improves the precision of Product jointing, since the fixture uses inner bearing type method of clamping, most Weld seam is sufficiently exposed in big degree outer, avoids the influence that fixture Butt welding gun walks, reduce Automation of Welding equipment volume The difficulty of journey.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is the utility model forklift fork arm carrier structural schematic diagram;
Fig. 3 is the utility model clamp structure schematic diagram;
Fig. 4 is the utility model or so clamping device structural schematic diagram;
Fig. 5 is clamping device structural schematic diagram before and after the utility model;
Fig. 6 is the utility model supporting mechanism structural schematic diagram;
Fig. 7 is the utility model fork carriage clamping position status architecture schematic diagram.
In figure: 1 fork carriage, 2 roller shafts, 3 fixtures, 31 turnover discs, 32 support frames, 33 platforms, 4 or so clamping devices, 41 Cylinder, 42 side connecting plates, 43 lazy-tongs, 44 gears, 45 circular racks, 46 first guiding axis, 5 front and back clamping devices, 51 pneumatic horses It reaches, 52 screw rods, 53 left-handed feed screw nuts, 54 dextrorotation feed screw nuts, 55 guide shaft mounting plates, 56 short fixtures, 57 second guiding axis, 58 Bearing block, 6 supporting blocks.
Specific embodiment
The utility model is described further with reference to the accompanying drawing:
A kind of fork carriage clamping positioning mechainsm welded for automating roller shaft as shown in figs. 1-7, including for turning over The fixture 3 turned, and the left and right clamping device 4 and front and back clamping device 5 that are fixedly connected on the axial horizontal plane of fixture 3, institute Stating fixture 3 includes turnover disc 31 and support frame 32, and the turnover disc 31 is fixedly connected on the vertical direction of 32 side of support frame, And centre is fixedly connected with to provide the shaft of rotatory force, is fixedly connected on support frame as described above 32 horizontally disposed flat Platform 33, the left and right clamping device 4 and front and back clamping device 5 are fixedly connected on the end face of platform 33, the front and back clamping Mechanism 5 and left and right clamping device 4 are set as upper and lower structures, and are equipped on the end face of front and back clamping device 5 for fixing Connect the supporting block 6 of fork carriage 1, the front and back clamping device 5 and left and right clamping device 4 by expansionary force to fork carriage 1 into Row clamping, the outside of the fork carriage 1 are provided with roller shaft 2 to be welded, since fork carriage 1 is to realize enhanced feature, generally Need to weld three pairs or more of roller shaft 2 on it, and for installing directive wheel.
Further, the center of the left and right clamping device 4 is provided with gear 44, and left and right clamping device 4 is arranged For with two identical clamping devices that gear 44 is center point symmetry, one of clamping device includes cylinder 41, side company Fishplate bar 42, lazy-tongs 43, circular rack 45 and the first guiding axis 46, the output end of the cylinder 41 are fixedly connected with side connecting plate 42, the other end of the side connecting plate 42 is fixedly connected with the lazy-tongs 43 moved axially along cylinder 41, the side connecting plate The circular rack 45 for being threadedly coupled with gear 44 and for providing guiding are respectively fixedly connected on 42 medial surface One guiding axis 46, first guiding axis 46 are slidably connected at tailgate set by 41 end of cylinder of another clamping device On.
Further, the air motor 51 being used to provide power, the pneumatic horse are provided on the front and back clamping device 5 Output end up to 51 is provided with the screw rod 52 being mounted on bearing block 58, and the both ends of the screw rod 52 are respectively sleeved on left-handed screw rod Guide shaft peace is threaded on nut 53 and dextrorotation feed screw nut 54, the left-handed feed screw nut 53 and dextrorotation feed screw nut 54 Loading board 55, the end face of the guide shaft mounting plate 55 are fixedly connected with for clamping and can do along the axial direction of screw rod 52 close or dividing Short fixture 56 from movement is fixedly connected with the second guiding axis 57 for guiding on the guide shaft mounting plate 55 simultaneously.
Further, the supporting block 6 is provided with 4 altogether on front and back clamping device 5, and is distributed in front and back clamping device 5 four corners.
Further, the bearing for being used to support screw rod 52 is provided in the bearing block 58.
The fork carriage clamping positioning mechainsm that this kind is used to automate roller shaft welding is turned by connecting with fixture 3 when in use Axis allows fixture 3 that overall mechanism is driven to rotate, and left and right clamping device 4 and front and back clamping device 5 is driven to rotate, this kind Positioning mechanism by the lazy-tongs 43 and short fixture 56 that are arranged on left and right clamping device 4 and front and back clamping device 5, make its from it is interior to Expansion clamping is carried out to 1 central part of fork carriage outside, 2 are provided on the left and right clamping device 4 along 44 central point of gear Symmetrically arranged cylinder 41, when cylinder 41 operates, output end can be moved forward and backward, to drive side connecting plate 42 defeated along its The direction of shaft moves back and forth, and the circular rack 45 being fixedly connected on side connecting plate 42 in reciprocating movement can be engaged with gear 44 Rotation, while the symmetrically arranged circular rack 45 of another set central point can also move back and forth under the drive of cylinder 41, two are right Claim to be mounted on the lazy-tongs 43 for clamping on the side connecting plate 42 of setting, is that center point symmetry is set due to being with gear 44 It sets, just makes two cylinders 41 that two lazy-tongs 43 can be made to do close or disengaging movement along same axial direction in telescopic movable;
Similarly, the air motor 51 being arranged on front and back clamping device 5 drives screw rod 52 to rotate, and installs respectively on screw rod 52 There are left-handed feed screw nut 53 and dextrorotation feed screw nut 54, due to revolving the difference in silk direction, during rotation dextrorotation feed screw nut The guide shaft mounting plate 55 that the 54 guide shaft mounting plates 55 for driving it to be threadedly coupled and left-handed feed screw nut 53 drive it to be threadedly coupled Axis direction towards the direction of motion does close or disengaging movement, this just makes the short fixture being arranged on two pieces of guide shaft mounting plates 55 56 do close or disengaging movement along the axis direction of screw rod 52, at the same be equipped on guide shaft mounting plate 55 for guiding second Guiding axis 57 can prevent occurring the problem of axle center line offset when doing close or disengaging movement, improve the clamping essence of device Degree.
In use, operator lifts fork carriage 1 to the supporting block 6 on front and back clamping device 5, and jail is put, such as Fig. 2 With shown in Fig. 7, it is formed with rectangle pore structure in the central part of fork carriage 1, when the lifting of fork carriage 1 to this kind is for automating idler wheel After on the fork carriage clamping positioning mechainsm of axis welding, the lazy-tongs 43 and short fixture 56 are located at the goods under undamped state In the rectangular opening of crotch 1, when needing to clamp it, cylinder 41 and air motor 51 are manipulated by driver, thus So that lazy-tongs 43 and short fixture 56 do disengaging movement along axis, until the edge part in clamp rectangular hole, and fork carriage 1 is pressed from both sides Tightly, operation is completed, when needing to carry out roller shaft 2 rotation welding, then the device can be carried out by turnover fixture 3 Overturning, with the soldering angle effect being optimal.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this The various changes and improvements that the technical solution of utility model is made should all fall into the protection that the utility model claims book determines In range.

Claims (5)

1. a kind of for automating the fork carriage clamping positioning mechainsm of roller shaft welding, it is characterised in that: including for overturning Fixture (3), and the left and right clamping device (4) and front and back clamping device that are fixedly connected on the axial horizontal plane of fixture (3) (5), the fixture (3) includes turnover disc (31) and support frame (32), and the turnover disc (31) is fixedly connected on support frame (32) vertical direction of side, and centre is fixedly connected with to provide the shaft of rotatory force, on support frame as described above (32) It is fixedly connected with horizontally disposed platform (33), the left and right clamping device (4) and front and back clamping device (5) are fixedly connected with On the end face of platform (33), the front and back clamping device (5) and left and right clamping device (4) are set as upper and lower structures, and preceding Supporting block (6) for being fixedly connected with fork carriage (1), the front and back clamping device are installed on the end face of rear grip mechanism (5) (5) fork carriage (1) is clamped by expansionary force with left and right clamping device (4).
2. according to claim 1 a kind of for automating the fork carriage clamping positioning mechainsm of roller shaft welding, feature Be: the center of the left and right clamping device (4) is provided with gear (44), and left and right clamping device (4) is set as with tooth Two identical clamping devices that (44) are center point symmetry are taken turns, one of clamping device includes cylinder (41), side connection The output end of plate (42), lazy-tongs (43), circular rack (45) and the first guiding axis (46), the cylinder (41) is fixedly connected with side Connecting plate (42), the other end of the side connecting plate (42) are fixedly connected with the lazy-tongs moved axially along cylinder (41) (43), the circular rack for being threadedly coupled with gear (44) is respectively fixedly connected on the medial surface of the side connecting plate (42) (45) and for providing the first guiding axis (46) of guiding, first guiding axis (46) is slidably connected at another clamping machine On tailgate set by cylinder (41) end of structure.
3. according to claim 1 a kind of for automating the fork carriage clamping positioning mechainsm of roller shaft welding, feature It is: is provided with the air motor (51) being used to provide power on the front and back clamping device (5), the air motor (51) Output end is provided with the screw rod (52) being mounted on bearing block (58), and the both ends of the screw rod (52) are respectively sleeved on left-handed screw rod Nut (53) and dextrorotation feed screw nut (54) are threadedly coupled on the left-handed feed screw nut (53) and dextrorotation feed screw nut (54) Have guide shaft mounting plate (55), the end face of the guide shaft mounting plate (55) is fixedly connected with for clamping and can be along screw rod (52) Close or disengaging movement short fixture (56) is axially done, is fixedly connected with simultaneously for guiding on the guide shaft mounting plate (55) Second guiding axis (57).
4. according to claim 1 a kind of for automating the fork carriage clamping positioning mechainsm of roller shaft welding, feature Be: the supporting block (6) is provided with 4 on front and back clamping device (5) altogether, and is distributed in the four of front and back clamping device (5) A corner.
5. according to claim 3 a kind of for automating the fork carriage clamping positioning mechainsm of roller shaft welding, feature It is: is provided with the bearing for being used to support screw rod (52) in the bearing block (58).
CN201821919330.0U 2018-11-21 2018-11-21 A kind of fork carriage clamping positioning mechainsm welded for automating roller shaft Active CN209125189U (en)

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Application Number Priority Date Filing Date Title
CN201821919330.0U CN209125189U (en) 2018-11-21 2018-11-21 A kind of fork carriage clamping positioning mechainsm welded for automating roller shaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821919330.0U CN209125189U (en) 2018-11-21 2018-11-21 A kind of fork carriage clamping positioning mechainsm welded for automating roller shaft

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109262179A (en) * 2018-11-21 2019-01-25 安徽合力股份有限公司 A kind of fork carriage clamping positioning mechainsm welded for automating roller shaft
CN112589988A (en) * 2020-12-09 2021-04-02 郭强 Non-cracking ceramic preparation device and method
CN113977501A (en) * 2021-12-29 2022-01-28 库卡工业自动化(昆山)有限公司 Positioning tool
CN114538326A (en) * 2022-04-28 2022-05-27 天津朗誉机器人有限公司 Telescopic variable-pitch clamping tool car

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109262179A (en) * 2018-11-21 2019-01-25 安徽合力股份有限公司 A kind of fork carriage clamping positioning mechainsm welded for automating roller shaft
CN112589988A (en) * 2020-12-09 2021-04-02 郭强 Non-cracking ceramic preparation device and method
CN113977501A (en) * 2021-12-29 2022-01-28 库卡工业自动化(昆山)有限公司 Positioning tool
CN113977501B (en) * 2021-12-29 2022-04-08 库卡工业自动化(昆山)有限公司 Positioning tool
CN114538326A (en) * 2022-04-28 2022-05-27 天津朗誉机器人有限公司 Telescopic variable-pitch clamping tool car
CN114538326B (en) * 2022-04-28 2022-08-23 天津朗誉机器人有限公司 Telescopic variable-pitch clamping tool car

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