CN209272797U - U-tube positioning welding fixture - Google Patents
U-tube positioning welding fixture Download PDFInfo
- Publication number
- CN209272797U CN209272797U CN201821672412.XU CN201821672412U CN209272797U CN 209272797 U CN209272797 U CN 209272797U CN 201821672412 U CN201821672412 U CN 201821672412U CN 209272797 U CN209272797 U CN 209272797U
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- CN
- China
- Prior art keywords
- tube
- bed die
- gripper jaw
- welding fixture
- pedestal
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Abstract
The utility model discloses U-tube positioning welding fixtures, including bed die (8), the bed die (8) is equipped with the U-shaped groove (13) to match with U-tube shape, it is characterized by: being equipped with gripper jaw (4) in the two sides of the bed die (8), the gripper jaw (4) connect with driving mechanism, and the driving mechanism can drive gripper jaw (4) to offset or separate with U-tube.By adopting the above technical scheme, positioning clamping is carried out to U-tube by protruding into gripper jaw in side, it effectively increases to be loaded efficiency and be capable of providing enough clamping forces and weldment is clamped, simultaneously but also the stress for the movement mechanism connecting with fixture is more balanced, and then the stability of lifting clamp work.
Description
Technical field
The utility model relates to fixtures, and in particular to a kind of U-tube positioning welding fixture.
Background technique
U-tube is the important component of evaporator, mainly includes that a U-shaped portion and compartment of terrain are connected to U-shaped portion
On straight sections, straight sections and U-shaped portion interconnect, in process, need for straight sections to be welded in U-shaped portion, welds
When, need fixture to carry out positioning clamping to U-tube, currently, the welding fixture for this kind of U-tube on the market, is often
U-shaped portion is placed in the bed die with U-shaped groove, press block decline is then controlled, U-tube is pressed in U-shaped groove, into
And realize the positioning clamping of U-tube, this structure has the disadvantage that the 1, speed that is loaded is slow, insufficient clamping force；2, under press block
When drop is compressed, welding fixture can bear downward pressure, cause the movement mechanism connecting with fixture to be displaced, lead to U
The positioning of shape pipe is not accurate, influences welding quality.
Summary of the invention
In view of the deficiency of background technique, the technical problem to be solved by the utility model is to provide a kind of structure is simple, if
Meter rationally, is effectively increased to be loaded efficiency and be capable of providing enough clamping forces and is clamped to weldment, while but also with folder
The stress for having the movement mechanism of connection is more balanced, and then promotes the U-tube positioning welding fixture of its job stability.
For this purpose, the utility model is realized using following scheme:
U-tube positioning welding fixture, including bed die, the bed die are equipped with the U-shaped groove to match with U-tube shape,
It is characterized by: being equipped with gripper jaw in the two sides of the bed die, the gripper jaw is connect with driving mechanism, and the driving mechanism can
To drive gripper jaw to offset or separate with U-tube.
The bed die is connect with rotation seat.
The gripper jaw is equipped with inclined-plane in its bottom, and the inclined-plane can offset with U-tube.
The bed die is connected on pedestal, and the gripper jaw is connected on Mobile base, and the pedestal is equipped with guide post, described
Mobile base is movably sleeved on guide post, and the guide post between the pedestal and Mobile base is equipped with elastic component, the Mobile base
It is connect with the driving mechanism.
The driving mechanism includes control arm and the connecting rod being mounted on the base, the control arm have compress head with
And with the handle for compressing head and connecting, the side wall for compressing head offsets with Mobile base, and described to compress head prejudicially hinged
In connecting rod.
Gripper jaw compartment of terrain at one end corresponding with bed die is equipped with arc groove, on the arc groove and U-tube
Straight sections are corresponding, and the two sides of the arc groove form the clamping part of evagination, and the clamping part can offset with the U-shaped portion of U-tube.
The inside of the pedestal be equipped with coolant flow channel, the coolant flow channel respectively on pedestal inlet and liquid outlet connect
It is logical.
Stitching section is removably equipped on the gripper jaw.
By adopting the above technical scheme, the advantages of the utility model are as follows: 1, simple structure and reasonable design can quickly carry out
Workpiece is loaded, and improves production efficiency；2, by the way that gripper jaw is arranged in the two sides of bed die, after U-tube is packed into bed die, pass through driving
Mechanism drive gripper jaw extend on bed die and offset with U-tube, the positioning clamping of U-tube can be realized, and at this time with folder
The movement mechanism of tool connection will not be by very big downward pressure, so that the stress of fixture entirety more balances, bed die exists
It will not deform or deviate when work, it is ensured that the accuracy of U-tube placement location further promotes the welding matter of U-tube
Amount.
Detailed description of the invention
The utility model has following attached drawing:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the separate structure figure of the utility model；
Fig. 3 is to change the structural schematic diagram behind rotation seat and stitching section in Fig. 1；
Fig. 4 is the structure chart of the utility model bed die；
Fig. 5 is the side view of the utility model gripper jaw.
Specific embodiment
As shown, U-tube positioning welding fixture disclosed by the utility model, wherein U-tube includes U-shaped portion 9 and straight tube
Portion 10, welding fixture include bed die 8, and bed die 8 is equipped with the U-shaped groove 13 to match with 9 shape of U-shaped portion of U-tube, it is ensured that U
Shape pipe can be successfully installed in bed die 8, be equipped with gripper jaw 4 in the two sides of bed die 8, gripper jaw 4 is connect with driving mechanism, is driven
Motivation structure can drive gripper jaw 4 to be horizontally moved, and offset or separate with U-tube, push instead of press block before
Clamping position mode, guarantee that the movement mechanism that connect with fixture not will receive very big downward pressure, so that fixture is whole
Stress more balance, bed die 8 will not deform or deviate at work, and then ensure the accurate of U-tube placement location
Property, the welding quality of U-tube, and the clamping position mode pushed compared to press block before are further promoted, use is this
The method of clamping of sideway feed can effectively improve the efficiency and safety of its clamping.Gripper jaw 4 is corresponding with bed die 8 one
Compartment of terrain is equipped with arc groove 41 at end, and arc groove 41 is corresponding with the straight sections 10 on U-tube, and the two sides of arc groove 41 form outer
Convex clamping part 42, clamping part 42 can offset with the U-shaped portion 9 of U-tube, carry out positioning clamping to U-tube, and due to arc groove
41 presence, when clamping part 42 carries out positioning clamping to U-tube, guarantee to have between straight sections 10 and gripper jaw it is enough between
Gap, it is ensured that welding laser will not be clamped pawl and block, and then successfully expose to the junction of straight sections 10 Yu U-shaped portion 9, will be straight
Pipe portion 10 welds together with U-shaped portion 9；In addition, gripper jaw 4 is equipped with inclined-plane 16 in its bottom, inclined-plane 16 can offset with U-tube,
In the present embodiment, which is arranged in the bottom of clamping part 42, when the U-shaped that the U-shaped portion 9 of U-tube is placed on bed die 8 is recessed
After in slot 13, U-shaped portion 9 can be slightly higher than U-shaped groove 13, control gripper jaw movement and close U-tube at this time, 9 two sides of U-shaped portion
The inclined-plane 16 that top can all be clamped 42 bottom of portion resists, so that U-shaped portion 9 is firmly clamped between two gripper jaws, into
One step improves gripper jaw to the stability and reliability of U-tube positioning clamping.Stitching section is removably equipped on the gripper jaw 4
43, stitching section 43 can be connected on gripper jaw 4 by clamping or by fastener, and according to the variation of U-tube specification, selection increases
Add or remove stitching section 43, and then positioning clamping preferably is carried out to U-tube.Bed die 8 is connected on pedestal 7, and gripper jaw 4 connects
It connects on Mobile base 3, guide post 5 is equipped on pedestal 7, Mobile base 3 is movably sleeved on guide post 5, and in the guiding of guide post 5
Under moved, be arranged with elastic component 11 on the guide post 5 between pedestal 7 and Mobile base 3, the return for Mobile base 3, it is ensured that
Gripper jaw can be separated rapidly with U-tube after completing weld job, consequently facilitating U-tube is taken out out of bed die 8, the elasticity
Part 11 can be spring, elastic rubber etc., and the elastic component 11 in the present embodiment uses spring, one end of Mobile base 3 and driving
Mechanism connects, and in the present embodiment, driving mechanism includes control arm and the connecting rod being mounted on pedestal 7 12, and control arm has
Circle compresses first 2 and compresses first 2 handles 1 connecting with circle, and circle compresses first 2 side wall and Mobile base 3 offsets, and round
Compress first 2 prejudicially hinged with connecting rod 12, by pulling handle 1, drive compresses first 2 rotation, Mobile base 3 can be driven the bottom of toward
8 direction of mould is mobile, so that the gripper jaw 4 on Mobile base 3 protrudes into bed die 8, and offsets with the top of U-shaped portion 9, and then realizes U
The positioning clamping of shape pipe, easy to operate, in this process, elastic component 11 is compressed between pedestal 7 and Mobile base 3,
When the welding is completed, release handle 1, and under the action of elastic component 11, drive Mobile base 3 far from bed die 8, so that gripper jaw 4
It is separated with U-tube, so that soldered U-tube to be removed and placed in the U-tube for needing to weld out of bed die 8.In addition, pedestal
7 inside is equipped with coolant flow channel, the coolant flow channel respectively on pedestal 7 inlet 14 and liquid outlet 15 be connected to, when being welded
When connecing operation, it can be passed through coolant liquid into pedestal 7, the heat produced when welding is absorbed, to realize the cooling of fixture, it is ensured that
Fixture can carry out operation at a suitable temperature, improve the stability of fixture work.Bed die 8 is connect with rotation seat, Ke Yigen
According to welding demand, bed die 8 is driven to be rotated, wherein rotation seat can be the first rotation seat 6a connecting with 8 bottom of bed die,
By control the first rotation seat 6a rotation, drives bed die 8 to carry out flat turn in the horizontal plane, be also possible to connect with 8 side of bed die
The second rotation seat 6b, by control the second rotation seat 6b rotation, drive bed die 8 carry out vertical overturning.
Claims (7)
1.U shape pipe positioning welding fixture, including bed die (8), it is recessed that the bed die (8) is equipped with the U-shaped to match with U-tube shape
Slot (13), it is characterised in that: be equipped with gripper jaw (4) in the two sides of the bed die (8), the gripper jaw (4) and driving mechanism connect
It connects, the driving mechanism can drive gripper jaw (4) to offset or separate with U-tube.
2. U-tube positioning welding fixture according to claim 1, it is characterised in that: the bed die (8) and rotation seat connect
It connects.
3. U-tube positioning welding fixture according to claim 1, it is characterised in that: the gripper jaw (4) sets in its bottom
Have inclined-plane (16), the inclined-plane (16) can offset with U-tube.
4. U-tube positioning welding fixture according to claim 1, it is characterised in that: the bed die (8) is connected to pedestal
(7) on, the gripper jaw (4) is connected on Mobile base (3), is equipped with guide post (5) on the pedestal (7), the Mobile base (3)
It being movably sleeved on guide post (5), the guide post (5) between the pedestal (7) and Mobile base (3) is equipped with elastic component (11),
One end of the Mobile base (3) is connect with the driving mechanism.
5. U-tube positioning welding fixture according to claim 4, it is characterised in that: the driving mechanism includes control arm
And pass through the Mobile base (3) and pedestal (7) connecting rod (12), the control arm with compress head (2) and with it is described
The handle (1) of head (2) connection is compressed, the side wall for compressing head (2) offsets with Mobile base (3), and described to compress head (2) eccentric
Ground is hinged on connecting rod (12).
6. U-tube positioning welding fixture according to claim 1, it is characterised in that: the gripper jaw (4) with bed die
(8) compartment of terrain is equipped with groove (41) at corresponding one end, and the groove (41) is corresponding with straight sections (10) on U-tube, institute
The two sides for stating groove (41) form the clamping part (42) of evagination, and the clamping part (42) can offset with the U-shaped portion (9) of U-tube.
7. U-tube positioning welding fixture according to claim 4, it is characterised in that: the inside of the pedestal (7) is equipped with cold
But runner, the coolant flow channel respectively on pedestal (7) inlet (14) and liquid outlet (15) be connected to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821672412.XU CN209272797U (en) | 2018-10-16 | 2018-10-16 | U-tube positioning welding fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821672412.XU CN209272797U (en) | 2018-10-16 | 2018-10-16 | U-tube positioning welding fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209272797U true CN209272797U (en) | 2019-08-20 |
Family
ID=67604700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821672412.XU Active CN209272797U (en) | 2018-10-16 | 2018-10-16 | U-tube positioning welding fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209272797U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109249166A (en) * | 2018-10-16 | 2019-01-22 | 浙江久恒光电科技有限公司 | U-tube positioning welding fixture |
-
2018
- 2018-10-16 CN CN201821672412.XU patent/CN209272797U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109249166A (en) * | 2018-10-16 | 2019-01-22 | 浙江久恒光电科技有限公司 | U-tube positioning welding fixture |
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