CN204954269U - Pipe fitting group butt weld presss from both sides device outward - Google Patents
Pipe fitting group butt weld presss from both sides device outward Download PDFInfo
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- CN204954269U CN204954269U CN201520626195.0U CN201520626195U CN204954269U CN 204954269 U CN204954269 U CN 204954269U CN 201520626195 U CN201520626195 U CN 201520626195U CN 204954269 U CN204954269 U CN 204954269U
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- pipe fitting
- clamp device
- roller
- outer clamp
- depression bar
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Abstract
The utility model discloses a pipe fitting group butt weld presss from both sides device outward, the on -line screen storage device comprises a base, install on the base and to support the pipe fitting and to make two groups lie in on the same axis and synchronous pivoted strutting arrangement to the pipe fitting two groups, guaranteed the precision of pipe fitting group butt weld, need not to relapse the set -up family and to the axiality of pipe fitting, also need not the adjustment of spirit level. Place two groups to organize to the pipe fitting and can guarantee its axiality on two gyro wheels of the left and right sides frame that installs after compressing tightly, the technical ability that has reduced operating personnel requires and intensity of labour, and the group is to efficient.
Description
Technical field
The auxiliary welding equipment that a kind of pipe fitting outer clip of the utility model patent is fixing, the outer clamp device of especially a kind of pipe fitting welding, belongs to pipe fitting welding frock field.
Background technology
Some are needed to the pipe fitting of welding, usually the pipe fitting that two dock is placed on turning rolls, drive pipe fitting to rotate to carry out welding by roller.And before caliber axiality that is comparatively thin, pipe fitting simultaneously is required that high pipe fitting welds, need the height of the central axis of adjustment two butt tube.
Existing way welds locating piece on the outer tube wall of the pipe fitting of two docking, coupled together by two pipe fittings by locating piece.While welding locating piece, pipe fitting is placed level meter its axiality is measured.If two docking pipe fittings cannot be coaxial, need again locating piece be separated from pipe fitting and be again welded to pipe fitting, centering is carried out to two pipe fittings, makes its same shaft assignment.Afterwards, the weldering of pipe fitting spot welds will docked and after bottoming welding, also needing to cut off locating piece, finally carry out filling capping.
This pipe pipe welding technique needs increase and cut off locating piece, and centering welding efficiency is low, and welding quality is not easy to control.
Utility model content
Problem to be solved in the utility model is to provide a kind of precision that can ensure the welding of pipe pipe, without the need to the axiality of adjustment group repeatedly to pipe fitting, also without the need to the outer clamp device of pipe fitting welding of the adjustment of level meter, reduce skill set requirements and the labour intensity of operating personnel, simplify welding procedure, group is high to efficiency.
In order to solve the problem, the utility model by the following technical solutions:
The outer clamp device of a kind of pipe fitting welding, comprises base, described base is provided with and can supports pipe fitting two groups and two groups to be positioned on same axis and the bracing or strutting arrangement of synchronous axial system pipe fitting.
Below the further optimization of the utility model to such scheme:
This bracing or strutting arrangement is at least two covers, is arranged side by side.
Bracing or strutting arrangement is arranged side by side by least two groups and can the roller set of synchronous axial system forms; Often organize the support roller that roller set comprises two time interval certain distances settings, this support roller and power set are in transmission connection.
Further optimization: this bracing or strutting arrangement is at least two covers, is arranged side by side, base is provided with at least two vertically and the turning rolls be arranged side by side, bracing or strutting arrangement is arranged on the upper end of turning rolls.
Often organize in roller set and connected by same connecting axle between the support roller of front side; Also connected by same connecting axle between the support roller of rear side.
Power set are in transmission connection by least a set of transmission device and bracing or strutting arrangement.
Further optimization: hold down gag comprises cranks arm, the lower end of cranking arm and turning rolls hinged, upper end is rotatably connected to pinch roller, cranks arm when lower end pin joint rotates to support roller, group can be pressed on support roller pipe fitting.
Further optimization: crank arm by the first pneumatic means control action.First pneumatic means comprises and the first cylinder be connected of cranking arm, and the bottom of described first cylinder is fixed on base or turning rolls by bearing, and the position that the first cylinder is larger with the middle part curvature of cranking arm is connected.
Another kind of optimization: the upper end of cranking arm is hinged with depression bar by tie point, and pinch roller is arranged on the front position of depression bar, and the other end of depression bar is in transmission connection by tie point and the second pneumatic means.
Second pneumatic means comprises the second cylinder be connected with depression bar by tie point, and the bottom of described second cylinder is also fixed on base or turning rolls by bearing.
Described profile of cranking arm can be arc-shaped, also can for folding arm.
Describedly to crank arm and the spacing of tie point between depression bar and pinch roller is less than the tie point between the second cylinder and depression bar and cranks arm and distance between the tie point between depression bar.To crank arm and angle between depression bar is acute angle.
To crank arm and tie point between depression bar is that depression bar motion provides support a little, form leverage, amplify the second cylinder to depression bar thrust, increase pinch roller to the thrust of pipe fitting.Hold down gag utilizes leverage to realize to the fast-holding of group to pipe fitting, and compaction process mainly comprises: be first startup first cylinder, driven forward is cranked arm until motionless; Restart the second cylinder, promote depression bar one end upwards, compress downwards together with the other end is connected with pinch roller.Release process is contrary with compaction process.
First two are needed to organize right group during use to be placed on the two pairs of support rollers in left and right pipe fitting, after guaranteeing that group is placed pipe fitting end alignment.Start the first cylinder, driven forward is cranked arm; Restart the second cylinder, promote depression bar one end upwards, together with the other end and pinch roller are connected downwards compression group to pipe fitting, fine-tuning axial distance.Last starter motor, adjusting rotary speed, makes two groups to pipe fitting synchronous axial system, directly to its position while welding bottoming, filling welding.
The utility model adopts such scheme, has the following advantages:
1, ensure that the precision of pipe pipe welding, without the need to the axiality of adjustment group repeatedly to pipe fitting, also without the need to the adjustment of level meter.Two groups are placed into group to pipe fitting can ensure its axiality after left and right two turning rolls of device compresses, reduce skill set requirements and the labour intensity of operating personnel, group is high to efficiency.
2, simplify welding procedure, original welding procedure needs the centering being first grouping pipe fitting, wants spot welding, bottoming, filling welding afterwards.The pipe fitting of this device is adopted to eliminate centering, point welding process when welding.Pipe fitting is put into group to after device, can directly carries out bottoming to group to the position while welding of pipe fitting, fill welding.
3, pipe fitting can be pressed on roller by hold down gag, increases roller with the frictional force of pipe fitting outer wall, can realize compared with tubule part group to after synchronous rotary welding;
4, group to after pipe fitting synchronous rotary, rotating speed is consistent, and with roller all transmitting rotary power of pipe fitting wall contacts, simultaneously, pipe fitting can be pressed on roller by hold down gag, increases roller with the frictional force of pipe fitting outer wall, there will not be the problem of pipe fitting play, and the weld defect that two pipe fittings causes because rotating speed is inconsistent, improve group to rear welding quality.
5, the pinch roller of pressing section can move to the side of turning rolls, being reserved by turning rolls upper space sky, when welding heavier pipe fitting, suspender can be adopted steadily to be placed on turning rolls by pipe fitting.Preventing when placing pipe fitting, clashing into because excessive velocities and pair roller frame produce, causing the accuracy of alignment decline problem of device.
6, group is good to rear axiality.
Another kind of optimization: by same connecting axle connection between the support roller organizing close front side in roller set more; Also connected by same connecting axle between the support roller of rear side.
The power output shaft of described reductor is set to one, and the corresponding transmission of wherein a set of bracing or strutting arrangement with being arranged on turning rolls, then drives another set of bracing or strutting arrangement to work asynchronously by connecting axle, can realize group and rotate the synchronous uniform velocity of pipe fitting.
Adopt a set of running part, structure is simplified, and cost is low, being connected the mode of left and right support roller, in installation process, without the need to adjusting the axiality of left and right support roller, ensure that the accuracy of alignment being placed on pipe fitting on support roller by a connecting axle.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the utility model embodiment 1;
Accompanying drawing 2 be in the utility model embodiment 1 hold down gag compression group to structural representation during pipe fitting;
Accompanying drawing 3 is that in the utility model embodiment 1, hold down gag unclamps group to structural representation during pipe fitting;
Accompanying drawing 4 is crank arm in the utility model embodiment 1 and the structural representation of depression bar;
Accompanying drawing 5 is the structural representation of the utility model embodiment 2;
Accompanying drawing 6 is the structural representation of the utility model embodiment 3.
In figure: 1-base; 2-reductor; 3-motor; 4-power output shaft; 5-turning rolls; 6-connecting axle; 7-support roller; 8-hold down gag; 9-first cylinder; 10-group is to pipe fitting; 11-second cylinder; 12-weld seam; 13-driving chain; 14-driven gear; 15-driving gear; 16-driven sprocket; 17-tightener sprocket; 18-drive sprocket; 19-cranks arm; 20-depression bar; 21-pinch roller.
Detailed description of the invention
Embodiment 1, as shown in Figure 1, Figure 2, Figure 3 shows, the outer clamp device of a kind of pipe fitting welding, comprises base 1, described base 1 is provided with and can supports pipe fitting 10 two groups and two groups to be positioned on same axis and the bracing or strutting arrangement of synchronous axial system pipe fitting 10.
This bracing or strutting arrangement is at least two covers, is arranged side by side.Bracing or strutting arrangement is arranged side by side by least two groups and can the roller set of synchronous axial system forms, and the roller of roller set is coaxial respectively to be arranged;
Often organize the support roller 7 that roller set comprises two time interval certain distances settings, this support roller 7 is in transmission connection with power set.
The position of the top correspondence of each bracing or strutting arrangement is separately installed with the hold down gag for being fixed pipe fitting 10 group.
Base 1 is provided with some pieces vertically and the turning rolls 5 be arranged side by side, bracing or strutting arrangement is arranged on the upper end of turning rolls 5.
Often organize in roller set and connected by same connecting axle 6 between the support roller 7 of front side; Also connected by same connecting axle 6 between the support roller 7 of rear side.
Connecting axle 6 is separately installed with driven gear 14 near the one end in outside, and driven gear 14 and power set are in transmission connection.By connecting axle 6, a pair roller set synchronous axial system be connected with driven gear 14 can not only be made, and position can be reserved for hold down gag.
Power set comprise the motor 3 be arranged on base 1, reductor 2, the power output shaft 4 of described reductor 2 is provided with drive sprocket 18, position near support roller 7 on described turning rolls 5 is provided with driven sprocket 16, by driving chain 13 transmission between described drive sprocket 18 and driven sprocket 16.
Driven sprocket 16 is coaxially connected with driving gear 15, driven gear 14 engaged transmission of this driving gear 15 and connecting axle 6 end.
Position on turning rolls 5 between drive sprocket 18 and driven sprocket 16 is provided with the tightener sprocket 17 for carrying out tensioning to driving chain 13.
By the effect of drive sprocket 18, driving chain 13, driven sprocket 16, tightener sprocket 17, driving gear 15, driven gear 14, the revolving force of axle 4 of outputing power is delivered to support roller 7, support roller 7 is rotated, drives the group be placed on support roller 7 to the rotation of pipe fitting 10.
The power output shaft 4 of described reductor 2 is two, left and right, respectively be arranged on two on turning rolls 5 and overlap the corresponding transmission of bracing or strutting arrangement, group can be realized the synchronous uniform velocity of pipe fitting 10 is rotated.
The lateral ends that described power set position also can be positioned at drive sprocket 18 is arranged, and connects two drive sprockets 18 by a power output shaft 4.
Motor 3 drives reductor 4 through two power output shaft 4 to drive sprockets 18, by drive sprocket 18 through driving chain 13 to driven sprocket 16, driven sprocket 16 is coaxial with driving gear 15, and driving gear 15 engages with two driven gears 14, drives the rotation of two support rollers 7.This transmission system has strict sets out ratio, and the rotating speed of supported on both sides roller 7 is identical, prevents group from splitting weld seam 12 mistake between pipe fitting 10.
Hold down gag comprise wherein one end and turning rolls 5 hinged crank arm 19, described in crank arm 19 the other end be hinged with depression bar 20 by tie point A.Described crank arm 19 and first pneumatic means be in transmission connection.
First pneumatic means comprises and 19 the first cylinders 9 be connected of cranking arm, and the bottom of described first cylinder 9 is fixed on base 1 by bearing.
First cylinder 9 with crank arm 19 the larger position of middle part curvature be connected;
By the contraction of the first cylinder 9 or elongation effect drive crank arm 19 away from or near support roller 7, and make pinch roller 21 on depression bar 20 away from or compression group to pipe fitting 10.Make group to pipe fitting 10 from the placement support roller 7 or remove more convenient.
Wherein one end of depression bar 20 is provided with pinch roller 21, the other end is in transmission connection by tie point B and the second pneumatic means.Group can be pressed on support roller 7 pipe fitting 10 by pinch roller 21.
Second pneumatic means comprises the second cylinder 11 be connected with depression bar 20 by tie point B, and the bottom of described second cylinder 11 is also fixed on base 1 by bearing.
Described crank arm 19 profile can be arc-shaped, also can for folding arm.
The described spacing L1 cranking arm tie point A between 19 and depression bar 20 and pinch roller 21 is less than the distance L2 between tie point B between the second cylinder 11 and depression bar 20 and tie point A.
Tie point A be depression bar 20 motion provide support a little, formed leverage, amplify the second cylinder to depression bar thrust, increase pinch roller to the thrust of pipe fitting.
Hold down gag utilizes leverage to realize to the fast-holding of group to pipe fitting 10, and compaction process mainly comprises: be first startup first cylinder 9, driven forward cranks arm 19 until motionless; Restart the second cylinder 11, promote depression bar 20 one end upwards, compress downwards together with the other end is connected with pinch roller 21.Release process is contrary with compaction process.
As shown in Figure 4, the angle a cranked arm between 19 and depression bar 20 is acute angle, in use, the scope of the movement of depression bar 20 upper pressure wheel 21 can be increased by the change of crank arm 19 and depression bar 20 angle, pinch roller 21 can be made to get out of the way position above two pinch rollers completely, convenient when roller being placed or removes pipe fitting.Under impaction state, the angular range of a is the acute angle of 0 ﹤ a ﹤ 90 degree.
First two are needed to organize right group during use to be placed on the two pairs of support rollers 7 in left and right pipe fitting 10, after guaranteeing that group is placed pipe fitting 10 end part aligning.Start the first cylinder 9, driven forward cranks arm 19; Restart the second cylinder 11, promote depression bar 20 one end upwards, together with the other end and pinch roller 21 is connected downwards compression group to pipe fitting 10, fine-tuning axial distance.Last starter motor 3, adjusting rotary speed, makes two groups to pipe fitting 10 synchronous axial system, directly to its weld seam 12 position bottoming, filling welding.
The utility model adopts such scheme,
1, ensure that the precision of pipe pipe welding, without the need to the axiality of adjustment group repeatedly to pipe fitting, also without the need to the adjustment of level meter.Two groups are placed into group to pipe fitting can ensure its axiality after left and right two turning rolls of device compresses, reduce skill set requirements and the labour intensity of operating personnel, group is high to efficiency.
2, simplify welding procedure, original welding procedure needs the centering being first grouping pipe fitting, wants spot welding, bottoming, filling welding afterwards.The pipe fitting of this device is adopted to eliminate centering, point welding process when welding.Pipe fitting is put into group to after device, can directly carries out bottoming to group to the position while welding of pipe fitting, fill welding.
3, can realize the welding compared with tubule part;
4, group to after pipe fitting synchronous rotary, rotating speed is consistent, and with roller all transmitting rotary power of pipe fitting wall contacts, there will not be the problem of pipe fitting play, and the weld defect that two pipe fittings causes because rotating speed is inconsistent, improve group to rear welding quality.
5, the pinch roller of pressing section can move to the side of turning rolls, being reserved by turning rolls upper space sky, when welding heavier pipe fitting, suspender can be adopted steadily to be placed on turning rolls by pipe fitting.Preventing when placing pipe fitting, clashing into because excessive velocities and pair roller frame produce, causing the accuracy of alignment decline problem of device.
6, group is good to rear axiality.
Embodiment 2, as shown in Figure 5, in embodiment 1, is connected by same connecting axle 6 in many group roller set between the support roller 7 of front side; Also connected by same connecting axle 6 between the support roller 7 of rear side.
The power output shaft 4 of described reductor 2 is set to one, and the corresponding transmission of wherein a set of bracing or strutting arrangement with being arranged on turning rolls 5, then drives another set of bracing or strutting arrangement to work asynchronously by connecting axle 6, can realize group and rotate the synchronous uniform velocity of pipe fitting 10.
This embodiment reduces a set of running part, structure is simplified, and cost is low, the mode of left and right support roller 7 is connected by a connecting axle 6, in installation process, without the need to adjusting the axiality of left and right support roller 7, ensure that the accuracy of alignment being placed on pipe fitting on support roller 7.
Embodiment 3, as shown in Figure 6, in embodiment 1 and embodiment 2, depression bar 20 in hold down gag and the second pneumatic means can also be removed, only retain crank arm 19 and first pneumatic means, pinch roller 21 be directly installed on crank arm 19 upper end, strengthen the flexibility of cranking arm, make it when lower end pin joint rotates to support roller 7, group can be pressed on support roller 7 pipe fitting 10.
This embodiment reduces a set of pneumatic means, utility model object pipe fitting is pressed on group on support roller 7 can be realized equally, simplify the structure, reduce production cost.
The above is citing of the present utility model, and the part wherein do not addressed in detail is the common practise of those of ordinary skill in the art.Protection domain of the present utility model is as the criterion with the content of claim, and any equivalent transformation carried out based on technology enlightenment of the present utility model, also within protection domain of the present utility model.
Claims (12)
1. the outer clamp device of pipe fitting welding, comprise base (1), it is characterized in that: described base (1) is provided with and can supports pipe fitting (10) two groups and two groups to be positioned on same axis and the bracing or strutting arrangement of synchronous axial system pipe fitting (10).
2. the outer clamp device of a kind of pipe fitting welding according to claim 1, is characterized in that:
Bracing or strutting arrangement is arranged side by side by least two groups and can the roller set of synchronous axial system forms; Often organize the support roller (7) that roller set comprises two time interval certain distances settings, this support roller (7) and power set are in transmission connection.
3. the outer clamp device of a kind of pipe fitting welding according to claim 2, it is characterized in that: this bracing or strutting arrangement is at least two covers, be arranged side by side, base (1) is provided with at least two vertically and the turning rolls be arranged side by side (5), bracing or strutting arrangement is arranged on the upper end of turning rolls (5).
4. the outer clamp device of a kind of pipe fitting welding according to claim 3, is characterized in that:
Often organize in roller set and connected by same connecting axle (6) between the support roller (7) of front side; Also connected by same connecting axle (6) between the support roller (7) of rear side.
5. the outer clamp device of a kind of pipe fitting welding according to claim 3, is characterized in that:
Connected by same connecting axle (6) between the support roller (7) of front side in many groups roller set; Also connected by same connecting axle (6) between the support roller (7) of rear side.
6. the outer clamp device of a kind of pipe fitting welding according to claim 2, is characterized in that:
Power set are in transmission connection by least a set of transmission device and bracing or strutting arrangement.
7. the outer clamp device of a kind of pipe fitting welding according to claim 1, is characterized in that:
The position of the top correspondence of each bracing or strutting arrangement is separately installed with the hold down gag for being fixed pipe fitting (10) group.
8. the outer clamp device of a kind of pipe fitting welding according to claim 7, is characterized in that:
Hold down gag comprises crank arm (19), crank arm the lower end of (19) and turning rolls (5) hinged, upper end is rotatably connected to pinch roller (21), cranks arm (19) when lower end pin joint rotates to support roller (7), group can be pressed on support roller (7) pipe fitting (10).
9. the outer clamp device of a kind of pipe fitting welding according to claim 8, is characterized in that: crank arm (19) are by the first pneumatic means control action; First pneumatic means comprises the first cylinder (9) be connected with crank arm (19), the bottom of described first cylinder (9) is fixed on base (1) or turning rolls (5) by bearing, and the position that the first cylinder (9) is larger with the middle part curvature of crank arm (19) is connected.
10. the outer clamp device of a kind of pipe fitting welding according to claim 8, it is characterized in that: the upper end of crank arm (19) is hinged with depression bar (20) by tie point (A), pinch roller (21) is arranged on the front position of depression bar (20), and the other end of depression bar (20) is in transmission connection by tie point (B) and the second pneumatic means;
Second pneumatic means comprises the second cylinder (11) be connected with depression bar (20) by tie point (B), and the bottom of described second cylinder (11) is also fixed on base (1) or turning rolls (5) by bearing.
The outer clamp device of 11. a kind of pipe fitting weldings according to claim 10, is characterized in that:
Describedly to crank arm (19) and the spacing (L1) of tie point (A) between depression bar (20) and pinch roller (21) is less than distance (L2) between tie point (B) between the second cylinder (11) and depression bar (20) and tie point (A).
The outer clamp device of 12. a kind of pipe fitting weldings according to claim 8, is characterized in that: crank arm (19) and angle (a) between depression bar (20) is acute angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520626195.0U CN204954269U (en) | 2015-08-19 | 2015-08-19 | Pipe fitting group butt weld presss from both sides device outward |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520626195.0U CN204954269U (en) | 2015-08-19 | 2015-08-19 | Pipe fitting group butt weld presss from both sides device outward |
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| Publication Number | Publication Date |
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| CN204954269U true CN204954269U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520626195.0U Active CN204954269U (en) | 2015-08-19 | 2015-08-19 | Pipe fitting group butt weld presss from both sides device outward |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105057967A (en) * | 2015-08-19 | 2015-11-18 | 山东豪迈重工有限公司 | Pipe assembly welding external clamping device |
| CN108637564A (en) * | 2018-05-23 | 2018-10-12 | 孙载位 | A kind of building bar butt welding machine clamp capable of rapid positioning |
| CN110977225A (en) * | 2019-12-20 | 2020-04-10 | 安徽应流集团霍山铸造有限公司 | Pipe butt welding method for preventing misalignment deformation |
| CN112318369A (en) * | 2020-11-25 | 2021-02-05 | 浙江华立智能装备股份有限公司 | Steel pipe rotating mechanism |
-
2015
- 2015-08-19 CN CN201520626195.0U patent/CN204954269U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105057967A (en) * | 2015-08-19 | 2015-11-18 | 山东豪迈重工有限公司 | Pipe assembly welding external clamping device |
| CN108637564A (en) * | 2018-05-23 | 2018-10-12 | 孙载位 | A kind of building bar butt welding machine clamp capable of rapid positioning |
| CN110977225A (en) * | 2019-12-20 | 2020-04-10 | 安徽应流集团霍山铸造有限公司 | Pipe butt welding method for preventing misalignment deformation |
| CN112318369A (en) * | 2020-11-25 | 2021-02-05 | 浙江华立智能装备股份有限公司 | Steel pipe rotating mechanism |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20160517 Address after: 261500 Shandong city in Weifang Province Economic Development Zone Gaomi City Kang Street No. 5655 heroic Industrial Park Patentee after: Himile Mechanical Science and Technology Co., Ltd. Address before: 276800 No. 99, Tianjin Road, Rizhao Economic and Technological Development Zone, Shandong, Rizhao City Patentee before: SHANDONG HAOMAI HEAVY INDUSTRY CO., LTD. |