CN207013944U - A kind of four paws weldment stretching apparatus - Google Patents
A kind of four paws weldment stretching apparatus Download PDFInfo
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- CN207013944U CN207013944U CN201720692430.3U CN201720692430U CN207013944U CN 207013944 U CN207013944 U CN 207013944U CN 201720692430 U CN201720692430 U CN 201720692430U CN 207013944 U CN207013944 U CN 207013944U
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- umbrella tooth
- expanded support
- active umbrella
- follower
- paws
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Abstract
The utility model provides a kind of four paws weldment stretching apparatus, including the housing being arranged in chuck body, and driving mechanism and follower, the driving mechanism is connected with follower, the follower is connected by meshing transmission with expanded support mechanism, the driving mechanism includes active umbrella tooth disk and the disc main body that pushes located at active umbrella tooth disk periphery, active umbrella tooth is provided with the middle part of the active umbrella tooth disk, the follower includes four spiro columns provided with driven umbrella tooth, the spiro column is arranged in the chuck body in cross, the expanded support mechanism includes expanded support claw and the expanded support pin on the expanded support claw.The utility model substitutes original customization tool disk, meets the fixation and support of a variety of circular weld parts, and the welding support for having met the cooperation of welding workpiece benchmark requires.
Description
Technical field
Semi-automatic welding field is the utility model is related to, particularly a kind of four paws weldment using with convenient welding expands
Support arrangement.
Background technology
It is traditional from aroused in interest linkage four paws movable jaw chuck, be generally used for clamping cylindrical or endoporus and strut use, chuck
After clamping or strutting, there is higher concentricity precision with chuck hub, for this kind of part of ring flange, when for Pipe installing,
It is to coordinate to install with other on the basis of the hole of ring flange four and end face, traditional chuck can not be pressed from both sides for the hole of flange four
Hold, and two chucks have higher difficulty for calibration concentricity in use, can not ensure the accuracy of precision, directly lead
Not at one with the heart after cause ring flange welding, the operative skill for welding master worker has more harsh requirement.
Utility model content
The purpose of this utility model is the weak point for overcoming above-mentioned conventional art, there is provided one kind welds convenient, precision
High four paws weldment stretching apparatus.
The purpose of this utility model is reached by following technical measures：
A kind of four paws weldment stretching apparatus, including the housing being arranged in chuck body, and driving mechanism and driven
Mechanism, the driving mechanism are connected with follower, and the follower is connected by meshing transmission with expanded support mechanism, the master
Motivation structure includes active umbrella tooth disk and the disc main body that pushes located at active umbrella tooth disk periphery, is provided with the middle part of the active umbrella tooth disk
Active umbrella tooth, the follower include being provided with four spiro columns that one end is provided with driven umbrella tooth, and the spiro column is in cross
Be arranged in the chuck body, and engaged by driven umbrella tooth with active umbrella tooth, the expanded support mechanism include expanded support claw with
And the expanded support pin on the expanded support claw, what the side of the expanded support claw was provided with screw thread and was provided with spiro column outer circumferential side
Screw thread is mutually twisted.
As an improvement the active umbrella tooth disk periphery side is provided with the disk gear that pushes for the disc main body that pushed described in fixation
Piece, and be connected provided with catch bolt with the disc main body that pushes.
As a further improvement, the active umbrella tooth disk outer surface is provided with least four active umbrella tooth coiled hairs, it is described
The disc main body inner peripheral surface that pushes setting at least four has the coiled hair that pushes to interlock with active umbrella tooth coiled hair.
As a further improvement, the T-shaped expanded support claw groove for accommodating expanded support claw is provided with the housing.
As a further improvement, the expanded support claw upper surface is disposed with multiple expanded support pin-and-holes, the expanded support pin is
It is multiple, and can correspond to and be inserted into the expanded support pin-and-hole.
As a further improvement, the housing central section is equipped with bolt and sequentially passes through follower, driving mechanism, and with
Said structure connects.
By adopting the above-described technical solution, compared with prior art, the utility model has the advantages that：Using chuck movable jaw
Setting, be easy to the accurate positioning of flange welding part, can be replaced very easily according to the claw of the size replacing activity of ring flange
For original customization tool disk, bring its flexibility into play, changed by the movable claw of new construction and different annexes is installed, it is full
The clamping of sufficient various shapes welding product part, the pin-and-hole of movable jaw are set, and have met the requirement that flange benchmark coordinates installation,
Movable jaw is provided with copper annex, can clamp block thimble connector foreign aid, prevent the damage of clip.
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Brief description of the drawings
Accompanying drawing 1 is a kind of dimensional structure diagram of four paws weldment stretching apparatus of the utility model；
Accompanying drawing 2 is a kind of front view structure sectional view of four paws weldment stretching apparatus of the utility model；
Accompanying drawing 3 is the dish structure partial enlargement signal that pushes of B in a kind of four paws weldment stretching apparatus Fig. 2 of the utility model
Figure；
Accompanying drawing 4 is a kind of section view for overlooking removal part-structure under visual angle of four paws weldment stretching apparatus of the utility model
Figure；
Accompanying drawing 5 is the structure of push coiled hair and the active umbrella tooth coiled hair of a kind of four paws weldment stretching apparatus of the utility model
Schematic diagram.
In figure：1- pushes disc main body, and 2- pushes disk catch, 3- housings, 4- spiro columns, the driven umbrella tooths of 5-, 6- bolts, 7- master
Dynamic umbrella tooth, 8- active umbrella tooth disks, 9- expanded support pins, 10- expanded support claws, 11- expanded support pin-and-holes, 12- catch bolts, 13- push coiled hair,
14- active umbrella tooth coiled hairs, 15- expanded support claw grooves.
Embodiment
Embodiment：As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, a kind of four paws weldment stretching apparatus, including, housing 3 is main
Motivation structure and follower, and expanded support mechanism.The driving mechanism includes active umbrella tooth disk 8 and located at active umbrella tooth disk 8
The disc main body 1 that pushes of periphery, the middle part of the active umbrella tooth disk 8 are provided with active umbrella tooth 7, the outer peripheral surface of active umbrella tooth disk 8 with
The inner peripheral surface of disc main body 1 that pushes is staggeredly equipped with active umbrella tooth coiled hair 14 respectively and the coiled hair 13 that pushes, described to push away active umbrella
The periphery side of fluted disc 8 is provided with the disk catch 2 that pushes for the disc main body 1 that pushed described in fixation, and is pushed provided with catch bolt 12 with described
Disc main body 1 connects, and enables to push disc main body 1 described in it on the active umbrella tooth disk 8, and can utilize what is interlocked to push away
Hitting coiled hair 13 drives active umbrella tooth coiled hair 14 to do circular-rotation；The follower is located in the housing 3, including provided with driven
Four spiro columns 4 of umbrella tooth 5, the spiro column 4 are arranged in the chuck body in cross, the driven umbrella tooth 5 and institute
The meshed transmission gear of active umbrella tooth 7 of follower is stated, the housing 3 is correspondingly arranged on T-shaped expanded support claw with the spiro column 4
Groove 15；The expanded support mechanism includes expanded support claw 10 and the expanded support pin 9 on the expanded support claw 10, the expanded support claw
10 are arranged in the T-shaped expanded support claw groove 15, and the back side of expanded support claw 10 is provided with the screw thread coordinated with the spiro column 4
Bar, the upper surface of expanded support claw 10 are disposed with expanded support pin-and-hole 11, and the corresponding expanded support pin-and-hole 11 is provided with some standby
Expanded support pin 9, it can be positioned according to the welding workpiece of institute's expanded support from suitable standby expanded support pin 9 and expanded support during use；
The driving mechanism, follower, the middle part of housing 3 wears a bolt 6 connects as one it.
Operation principle：A kind of four paws weldment stretching apparatus, according to the welding workpiece internal diameter size of institute's expanded support from suitable
Expanded support pin 9, and corresponding to inserting in expanded support pin-and-hole 11, welding workpiece it is interior through being nested in outside expanded support pin-and-hole 11, rotation pushes
Disc main body 1, the coiled hair 13 that pushes of the inner ring of disc main body 1 that pushes collide the active umbrella tooth coiled hair 13 on the surface of active umbrella tooth disk 8,
The disk 13 that pushes is rotated further, now drives the active umbrella tooth disk 8 to rotate, the band of active umbrella tooth 7 at the middle part of active umbrella tooth disk 8
Dynamic four spiro columns 4 provided with driven umbrella tooth 5 rotate, and the spiro column 4 engages with expanded support claw 10, and the spiro column 4 does whole
All rotary motions, now four expanded support claws 10 moved up and down respectively under the drive of each spiro column 4, now expanded support pin
9 continuous expanded supports to welding workpiece inwall, to reach fixing and being accurately positioned for welding workpiece, the disc main body 1 and main of pushing
The activity space to push between coiled hair 13 and active umbrella tooth coiled hair 14 staggeredly that dynamic umbrella tooth disk 8 is respectively provided with, can utilize this activity
Space makes the coiled hair 13 that pushes hit the active umbrella tooth coiled hair 14, through a step expanded support secure weld workpiece.
Claims (5)
1. a kind of four paws weldment stretching apparatus, including the housing (3) being arranged in chuck body, and driving mechanism and driven
Mechanism, the driving mechanism are connected with follower, and the follower is connected by meshing transmission with expanded support mechanism, its feature
It is：
The driving mechanism includes active umbrella tooth disk (8) and the disc main body that pushes (1) located at active umbrella tooth disk (8) periphery, institute
State and be provided with active umbrella tooth (7) in the middle part of active umbrella tooth disk (8)；
The follower includes four spiro columns (4) that one end is provided with driven umbrella tooth (5), and the spiro column (4) is in cross
It is arranged in the chuck body, and is engaged by driven umbrella tooth (5) with active umbrella tooth (7)；
The expanded support mechanism includes expanded support claw (10) and the expanded support pin (9) on the expanded support claw (10), the expansion
The screw thread that the side of support claw (10) is provided with screw thread and is provided with spiro column (4) outer circumferential side is mutually twisted.
A kind of 2. four paws weldment stretching apparatus according to claim 1, it is characterised in that：The active umbrella tooth disk (8)
Periphery side is provided with the disk catch (2) that pushes for the disc main body (1) that pushed described in fixation, and is pushed provided with catch bolt (12) with described
Disc main body (1) connects.
A kind of 3. four paws weldment stretching apparatus according to claim 1, it is characterised in that：The active umbrella tooth disk (8)
Outer surface is provided with least four active umbrella tooth coiled hairs (14), and the disc main body that pushes (1) inner peripheral surface sets at least four
There is the coiled hair that pushes (13) to interlock with active umbrella tooth coiled hair (14).
A kind of 4. four paws weldment stretching apparatus according to claim 1, it is characterised in that：Set on the housing (3)
There is the T-shaped expanded support claw groove (15) for accommodating expanded support claw (10).
A kind of 5. four paws weldment stretching apparatus according to claim 1-4 any bars, it is characterised in that：The housing
(3) middle part is equipped with bolt (6) and sequentially passes through follower, driving mechanism, and is connected with said structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720692430.3U CN207013944U (en) | 2017-06-14 | 2017-06-14 | A kind of four paws weldment stretching apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720692430.3U CN207013944U (en) | 2017-06-14 | 2017-06-14 | A kind of four paws weldment stretching apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207013944U true CN207013944U (en) | 2018-02-16 |
Family
ID=61486032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720692430.3U Active CN207013944U (en) | 2017-06-14 | 2017-06-14 | A kind of four paws weldment stretching apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207013944U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110509221A (en) * | 2019-08-30 | 2019-11-29 | 中国航发动力股份有限公司 | A kind of multistage part concentric fits device and method |
| CN112719772A (en) * | 2021-01-06 | 2021-04-30 | 惠州威博精密科技有限公司 | Tubular workpiece welding equipment |
-
2017
- 2017-06-14 CN CN201720692430.3U patent/CN207013944U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110509221A (en) * | 2019-08-30 | 2019-11-29 | 中国航发动力股份有限公司 | A kind of multistage part concentric fits device and method |
| CN110509221B (en) * | 2019-08-30 | 2021-06-29 | 中国航发动力股份有限公司 | Multi-stage part concentric assembly device and method |
| CN112719772A (en) * | 2021-01-06 | 2021-04-30 | 惠州威博精密科技有限公司 | Tubular workpiece welding equipment |
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