CN212761941U - Welding tool - Google Patents
Welding tool Download PDFInfo
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- CN212761941U CN212761941U CN202021703307.5U CN202021703307U CN212761941U CN 212761941 U CN212761941 U CN 212761941U CN 202021703307 U CN202021703307 U CN 202021703307U CN 212761941 U CN212761941 U CN 212761941U
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Abstract
The application relates to a welding tool, including workstation, roof pressure driving piece, locate the fixing base of workstation one side and locate the sliding seat of workstation opposite side, the fixing base is equipped with first anchor clamps, and the sliding seat is equipped with second anchor clamps and first locating part, and the roof pressure driving piece drives the sliding seat along being close to the sliding motion of fixing base direction. The present application has the following effects: firstly, the two welding parts are respectively fixed through a first clamp and a second clamp, and then are forced to be mutually abutted or embedded under the action of jacking and pressing a driving part so as to finish the pre-fixing between the two welding parts and reduce the dislocation of the two welding parts; secondly, the sliding seat can be fixed after the welding part is jacked through the first limiting part, so that damage caused by continuous force application of the jacking driving part is reduced; and thirdly, the distance between the sliding seat and the fixed seat is adjusted, and the length of a processed finished product can be accurately limited by matching with the force application of the jacking and pressing driving piece.
Description
Technical Field
The application relates to a welding tool.
Background
Welding, also known as fusion, is a manufacturing process and technique for joining metals or other thermoplastic materials, such as plastics, in a heated, high temperature or high pressure manner, as is quite common in the manufacturing process.
However, in actual welding, the welding members are generally placed on auxiliary tools such as a welding table or a welding stand, and the welding portions of the two welding members are welded, and the welding portions are easily displaced, which results in poor welding effect.
SUMMERY OF THE UTILITY MODEL
In order to solve the poor problem of welding effect, this application provides a welding frock.
The application provides a welding frock adopts following technical scheme.
The utility model provides a welding frock, includes workstation, roof pressure driving piece, locates the fixing base of workstation one side and locates the sliding seat of workstation opposite side, the fixing base with workstation fixed connection, the fixing base is equipped with first anchor clamps, the sliding seat with the workstation is slided and is connected, the sliding seat is equipped with the second anchor clamps, the roof pressure driving piece drives the sliding seat is along being close to fixing base direction sliding motion, the sliding seat with be equipped with the first locating part that prevents the sliding seat to slide between the workstation.
By adopting the technical scheme, when welding is to be carried out, the first clamp and the second clamp are used for fixing the two welding parts respectively, then the jacking driving part is started to drive the sliding seat to slide, the two welding parts are forced to be connected with each other, the two welding parts are in a connection form of mutual butt joint, or the two welding parts are mutually embedded (such as a protrusion and a groove in transition or interference fit), namely, the jacking driving part applies certain pretightening force to force the two welding parts to be mutually pre-fixed, then the position of the sliding seat is fixed, the pretightening force of the jacking driving part is released, and the welding of the joint of the two welding parts is started; the pre-tightening force is applied by jacking the driving piece, so that the two welding pieces can be pre-fixed, the occurrence of dislocation is reduced, the welding quality is improved, and when the joint of the two welding pieces is in interference fit, the interference connection between the two welding pieces can be quickly completed by applying the pre-tightening force, so that the labor intensity of operators is effectively reduced; meanwhile, after the jacking driving piece finishes jacking the welding piece, the position of the sliding seat is limited through the first limiting piece, and then the jacking driving piece is released, so that the condition that the welding effect is influenced by large stress caused by continuous force application of the jacking driving piece is reduced; and the distance between the sliding seat and the fixed seat is adjusted, and the force application of the jacking driving piece is matched, so that the length of the two welding pieces after being pre-fixed can be accurate, the high precision of the processing length of a welding finished product is further ensured, and the welding effect is further improved.
Preferably, the workbench is provided with a support in a sliding manner, a second limiting part for preventing the support from sliding is arranged between the sliding seat and the workbench, the jacking driving part is fixedly arranged on the support, and the output end of the jacking driving part is connected with the sliding seat.
When the length of the welding part is smaller, the support and the sliding seat need to move for a longer distance along the direction close to the fixed seat, and the distance between the first clamp and the second clamp can be ensured to accord with the length of the welding part, and because the support is provided with the jacking driving part and the sliding seat is provided with the second clamp, the quality of the support and the sliding seat is larger, and an operator needs to spend great effort to push the support and the sliding seat to slide for a long distance, so that the labor intensity of the operator is overlarge, by adopting the technical scheme, when the support and the sliding seat need to move for a long distance, the sliding seat and the workbench are not fixed (the two are connected in a sliding way), the support and the workbench are fixed, the jacking driving part is started, namely, the jacking driving part is fed, the jacking driving part drives the sliding seat to slide for a driving stroke towards the direction of the fixed seat, then the, the jacking driving piece is retracted, namely the support is driven to slide towards the sliding seat for a driving stroke, namely the jacking driving piece is fed and retracted, the supporting seat and the sliding seat can complete a driving stroke, namely stepping forward, and long-distance sliding of the support and the sliding seat can be completed by repeating the operation; the stepping movement of the support and the sliding seat can be realized by feeding and returning the jacking driving piece and matching the limiting effect of the first limiting piece and the second limiting piece, so that manual pushing is not needed, and the labor intensity of operators is greatly reduced.
Preferably, the second fixture is fixed with a second connecting shaft, the jacking driving part comprises a hydraulic cylinder, a cylinder body of the hydraulic cylinder is fixedly connected with the support, and a piston rod of the hydraulic cylinder is connected with the second connecting shaft.
By adopting the technical scheme, the pressure applied by the hydraulic cylinder is large enough through the feeding and returning of the hydraulic cylinder, so that the support and the sliding seat are convenient to push and move.
Preferably, the clamping device further comprises a rotating assembly for driving the first clamp or the second clamp to rotate, the first clamp and the fixed seat are rotatably arranged, and the second clamp and the sliding seat are rotatably arranged.
Through adopting above-mentioned technical scheme, through runner assembly, drive anchor clamps and rotate to drive a rotation, can be convenient for to the welding of welding week side, improve the welding operation convenience.
Preferably, the second connecting axle sleeve is established and is fixed with the adapter sleeve, the tip of the piston rod of pneumatic cylinder stretches into in the adapter sleeve, the annular has been seted up to the tip of the piston rod of pneumatic cylinder, the adapter sleeve is fixed with the retaining ring, the internal diameter of retaining ring is greater than the minimum diameter of annular, just the internal diameter of retaining ring is less than the diameter of pneumatic cylinder piston rod.
By adopting the technical scheme, the piston rod of the hydraulic cylinder can be connected with the second connecting shaft by matching the retainer ring with the annular groove of the piston rod of the hydraulic cylinder, so that the hydraulic cylinder can drive the sliding seat to slide conveniently, the second connecting shaft can be rotationally connected with the piston rod of the hydraulic cylinder, the influence on the piston rod of the hydraulic cylinder when the second connecting shaft rotates is reduced, and the damage to the piston rod of the hydraulic cylinder is reduced; and a gap is formed between the inner diameter of the retainer ring and the groove bottom of the annular groove, so that the torque transmitted to the piston rod of the hydraulic cylinder when the second connecting shaft rotates can be reduced, and the rotating abrasion of the piston rod of the hydraulic cylinder is avoided.
Preferably, the maximum axial distance between the end part of the piston rod of the hydraulic cylinder and the end part of the second connecting shaft far away from the fixed seat is smaller than or equal to the difference between the width of the ring groove and the thickness of the retainer ring.
Through adopting above-mentioned technical scheme, can ensure to have short distance axial displacement between pneumatic cylinder piston rod and the second connecting axle, and through setting up this axial displacement, when the roof pressure of sliding seat is accomplished to the piston rod of pneumatic cylinder, the position of fixed sliding seat, in order to ensure fixing in advance of two welding pieces, then the piston rod of pneumatic cylinder rolls back a small distance (axial displacement), make the piston rod of pneumatic cylinder break away from the butt with the second connecting axle, thereby ensure the transmission of the piston rod zero torque of pneumatic cylinder when the second connecting axle rotates, and then avoid the rotational wear of pneumatic cylinder piston rod.
Preferably, the edge of the end face of the piston rod of the hydraulic cylinder is provided with a round angle.
Due to the fact that the jacking pressure of the hydraulic cylinder is large, the stress of the abutting part of the piston rod of the hydraulic cylinder and the second connecting shaft is too large, surface abrasion of the abutting part of the piston rod of the hydraulic cylinder and the second connecting shaft is prone to being caused, and by the adoption of the technical scheme, burrs at the edge of the end face of the piston rod of the hydraulic cylinder can be reduced through the round corners, so that the phenomenon that the jacking pressure stress is locally increased is reduced, and abrasion and fatigue cracks are reduced; and the fillet makes the tip of pneumatic cylinder piston rod comparatively mellow and smooth, can reduce the frictional force between the piston rod of pneumatic cylinder and the second connecting axle.
Preferably, the workbench comprises a base and a working plate arranged on the base, the upper surface of the working plate is provided with a sliding key, the sliding seat is provided with a first sliding chute connected with the sliding key in a sliding manner, the first limiting part comprises a first C-shaped abutting part, the upper structure of the first abutting part is fixedly connected with the sliding seat through a first bolt, the end part of the first bolt abuts against the upper surface of the working plate, and the lower structure of the first abutting part is positioned under the working plate; the support is provided with a second sliding groove connected with the sliding key in a sliding mode, the second limiting part comprises a second C-shaped abutting part, the upper structure of the second abutting part is fixedly connected with the support through a second bolt, the end portion of the second bolt is abutted to the upper surface of the working plate, and the lower structure of the second abutting part is located under the working plate.
By adopting the technical scheme, the first bolt is screwed, the end part of the first bolt is pressed against the upper surface of the working plate, the sliding seat can be driven to move upwards to be separated from the working plate, namely the sliding seat and the working plate move away from each other and abut against the upper structure and the lower structure of the first C-shaped abutting part, and the position between the sliding seat and the working plate is fixed by abutting friction force; the fixing mode between the support and the working plate is the same as the above.
In summary, the present application includes at least one of the following beneficial technical effects:
the pre-tightening force is applied by jacking and pressing the driving piece, so that the two welding pieces can be pre-fixed, the occurrence of dislocation is reduced, the welding quality is improved, the high precision of the processing length of a welding finished product is ensured, and the welding effect is further improved; the situation that the welding effect is influenced by large stress caused by continuous force application of the jacking driving piece is reduced through the first limiting piece;
the stepping movement of the support and the sliding seat can be realized by the feeding and returning of the jacking driving piece and the limit effect of the first limit piece and the second limit piece, so that manual pushing is not needed, and the labor intensity of operators is greatly reduced;
through setting up the fillet, can reduce the burr of the terminal surface edge of pneumatic cylinder piston rod to reduce the phenomenon that roof pressure stress local increases, reduce wearing and tearing and fatigue crack's production.
Drawings
Fig. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is a schematic structural view of a sliding seat and a support of the present embodiment;
fig. 3 is a partial sectional view for embodying the internal structure of the connecting sleeve of the present embodiment.
Description of reference numerals: 1. a work table; 2. a fixed seat; 3. a sliding seat; 4. a support; 5. a rotating assembly; 10. a bearing; 11. a base; 12. a working plate; 13. a sliding key; 21. a first clamp; 22. a first sleeve; 23. a first connecting shaft; 31. a second clamp; 32. a first limit piece; 321. a first abutting part; 322. a first bolt; 33. a first sliding chute; 34. a second sleeve; 35. a second connecting shaft; 36. connecting sleeves; 41. a drive member; 42. a second limiting member; 421. a second abutting part; 422. a second bolt; 43. a second chute; 44. a retainer ring; 45. and a ring groove.
Detailed Description
The present application will be described in further detail below with reference to the accompanying drawings.
The embodiment of the application discloses a welding tool. Referring to fig. 1, the device comprises a strip-shaped workbench 1, wherein a fixed seat 2 is fixed on one side of the workbench 1, a sliding seat 3 and a support 4 are arranged on the other side of the workbench 1, the support 4 is positioned on one side of the sliding seat 3 far away from the fixed seat 2, and the sliding seat 3 and the support 4 are connected with the workbench 1 in a sliding manner along the axial direction; the fixed seat 2 is provided with a first clamp 21, the sliding seat 3 is provided with a second clamp 31 and a first limiting piece 32, and the support 4 is provided with a jacking driving piece 41 and a second limiting piece 42; wherein the first clamp 21 and the second clamp 31 are both three-jaw chucks.
When the welding fixture is used, the first fixture 21 and the second fixture 31 respectively clamp one welding piece, then the jacking driving piece 41 is started to drive the sliding seat 3 to slide along the direction close to the fixed seat 2, so that the two welding pieces are mutually abutted or in interference fit to finish the pre-fixing of the two welding pieces, then the position of the sliding seat 3 is limited by the first limiting piece 32, and then the jacking of the jacking driving piece 41 is released, and the welding can be started.
As shown in fig. 1 and 2, the workbench 1 includes a base 11 and a working plate 12 disposed on the base 11, a sliding key 13 is disposed on an upper surface of the working plate 12, the sliding seat 3 is provided with a first sliding slot 33 connected with the sliding key 13 in a sliding manner, the first limiting member 32 includes a first C-shaped abutting member 321, an upper structure of the first abutting member 321 is fixedly connected with the sliding seat 3 through a first bolt 322, an end portion of the first bolt 322 abuts against an upper surface of the working plate 12, and a lower structure of the first abutting member 321 is located right below the working plate 12.
The support 4 is provided with a second sliding groove 43 connected with the sliding key 13 in a sliding manner, the second limiting part 42 comprises a second C-shaped abutting part 421, the upper structure of the second abutting part 421 is fixedly connected with the support 4 through a second bolt 422, the end part of the second bolt 422 abuts against the upper surface of the working plate 12, and the lower structure of the second abutting part 421 is located right below the working plate 12.
When the relative position between the sliding seat 3 and the workbench 1 needs to be fixed, the sliding seat 3 can be driven to move upwards to be separated from the working plate 12 by screwing the first bolt 322 and pressing the end part of the first bolt with the upper surface of the working plate 12, namely the sliding seat 3 and the working plate 12 move away from each other and abut against the upper structure and the lower structure of the first C-shaped abutting part 321, and the position between the sliding seat 3 and the working plate 12 is fixed by abutting friction force, so that the accuracy of the relative position between the sliding seat 3 and the fixed seat 2 is ensured, and the length of a processed finished product after welding parts are combined is convenient to determine; the fixing between the support 4 and the table 1 is the same as above.
As shown in fig. 1, a first sleeve 22 is fixed on the fixing base 2, a first connecting shaft 23 is fixed on the first clamp 21, the first connecting shaft 23 penetrates through the first sleeve 22, and the first connecting shaft 23 is rotatably connected with the first sleeve 22 through a bearing 10; the sliding seat 3 is fixed with a second sleeve 34, the second clamp 31 is fixed with a second connecting shaft 35, the second connecting shaft 35 penetrates through the second sleeve 34, and the second connecting shaft 35 is rotatably connected with the second sleeve 34 through a bearing 10; one side of the workbench 1 is provided with a rotating assembly 5 for driving the first clamp 21 to rotate, the rotating assembly 5 comprises a motor and a speed reducer, and an output shaft of the speed reducer is fixedly connected with the first connecting shaft 23.
When the back of a welding part needs to be welded, the motor is started to drive the first clamp 21 to rotate, so that the welding part is driven to rotate, the welding of all sides of the welding part can be facilitated, and the welding operation convenience is improved.
As shown in fig. 2 and 3, the pressing driving member 41 is a hydraulic cylinder, a cylinder body of the hydraulic cylinder is fixedly connected with the support 4, one end of the second connecting shaft 35 extending out of the second sleeve 34 is sleeved with the inherent connecting sleeve 36, and the end edge of the piston rod of the hydraulic cylinder is provided with a fillet and extends into the connecting sleeve 36; annular groove 45 has been seted up to the tip of the piston rod of pneumatic cylinder, the end welding of adapter sleeve 36 has retaining ring 44, the internal diameter of retaining ring 44 is greater than the minimum diameter of annular groove 45, and the internal diameter of retaining ring 44 is less than the diameter of pneumatic cylinder piston rod, through the cooperation between retaining ring 44 and the annular groove 45, can realize being connected between the piston rod of pneumatic cylinder and the second connecting axle 35, the pneumatic cylinder of both having convenient for drives sliding seat 3 gliding campaign, can realize again that the rotation between second connecting axle 35 and the pneumatic cylinder piston rod is connected.
And the maximum axial distance between the end of the piston rod of the hydraulic cylinder and the end of the second connecting shaft 35 far away from the fixed seat 2 is less than or equal to the difference between the width of the ring groove 45 and the thickness of the retainer ring 44, even if the piston rod of the hydraulic cylinder and the second connecting shaft 35 have short-distance axial displacement, when the piston rod of the hydraulic cylinder completes jacking the sliding seat 3, the piston rod of the hydraulic cylinder retreats by a small distance (axial displacement), so that the piston rod of the hydraulic cylinder has no butt relation with the second connecting shaft 35, thereby ensuring that the second connecting shaft 35 does not have torque transmission on the piston rod of the hydraulic cylinder when rotating, and further avoiding the rotational abrasion of the piston rod.
The implementation principle of the embodiment of the application is as follows: when preparing to weld, firstly pass through first anchor clamps 21 and second anchor clamps 31 to respectively fixed two welding pieces, then the pneumatic cylinder feeds, drive sliding seat 3 and slide, and exert certain pretightning force and force the mutual pre-fixing between two welding pieces, the pre-fixing form has mutual butt joint or mutual scarf joint (such as transition or interference fit's arch and recess), then pass through the position of first locating part 32 fixed sliding seat 3, then the pneumatic cylinder backs a short distance, in order to relieve the roof pressure pretightning force on first connecting axle 23, then begins to carry out the welding of two welding piece junctions.
The pre-tightening force applied by the hydraulic cylinder can realize the pre-fixation between the two welding parts, reduce the occurrence of dislocation and improve the welding quality; and when the junction of two welding pieces is interference fit, through the mode of exerting the pretightning force, can accomplish the interference connection between two welding pieces fast, effectively reduce operating personnel's intensity of labour.
When the support 4 and the sliding seat 3 need to be moved for a long distance, firstly, the sliding seat 3 and the workbench 1 are not fixed (can slide relatively), the support 4 is fixed with the workbench 1 through the second limiting part 42, the hydraulic cylinder is started, the hydraulic cylinder feeds and drives the sliding seat 3 to slide for a certain stroke towards the direction of the fixed seat 2, then the sliding seat 3 is fixed with the workbench 1 through the first limiting part 32, the second limiting part 42 is released, the support 4 is not fixed with the workbench 1, the piston rod of the hydraulic cylinder is retracted, namely, the support 4 is driven to slide towards the sliding seat 3 for a section of stroke, so that the hydraulic cylinder can feed and retract once to complete a section of stroke of the support 4 and the sliding seat 3, even if the support 4 and the sliding seat 3 move forwards in a stepping mode, the long-distance sliding of the support 4 and the sliding seat 3 can be finished by repeating the operations, manual pushing is not needed, and the labor intensity of operators is greatly reduced.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a welding frock which characterized in that: including workstation (1), roof pressure driving piece (41), locate fixing base (2) of workstation (1) one side and locate sliding seat (3) of workstation (1) opposite side, fixing base (2) with workstation (1) fixed connection, fixing base (2) are equipped with first anchor clamps (21), sliding seat (3) with workstation (1) is slided and is connected, sliding seat (3) are equipped with second anchor clamps (31), roof pressure driving piece (41) drive sliding seat (3) are along being close to fixing base (2) direction gliding movement, sliding seat (3) with be equipped with between workstation (1) and prevent first locating part (32) that sliding seat (3) slided.
2. The welding tool of claim 1, wherein: the sliding type hydraulic support is characterized in that a support (4) is arranged on the workbench (1) in a sliding mode, a second limiting part (42) for preventing the support (4) from sliding is arranged between the sliding seat (3) and the workbench (1), the top pressure driving part (41) is fixedly arranged with the support (4), and the output end of the top pressure driving part (41) is connected with the sliding seat (3).
3. The welding tool of claim 2, wherein: the second fixture (31) is fixedly provided with a second connecting shaft (35), the jacking driving part (41) comprises a hydraulic cylinder, the cylinder body of the hydraulic cylinder is fixedly connected with the support (4), and the piston rod of the hydraulic cylinder is connected with the second connecting shaft (35).
4. The welding tooling of claim 3, wherein: still including the drive first anchor clamps (21) or second anchor clamps (31) pivoted runner assembly (5), first anchor clamps (21) with fixing base (2) rotate the setting, second anchor clamps (31) with sliding seat (3) rotate the setting.
5. The welding tooling of one of claims 3 or 4, wherein: the adapter sleeve (36) is fixed with to second connecting axle (35) cover, the tip of the piston rod of pneumatic cylinder stretches into in adapter sleeve (36), annular (45) have been seted up to the tip of the piston rod of pneumatic cylinder, adapter sleeve (36) are fixed with retaining ring (44), the internal diameter of retaining ring (44) is greater than the minimum diameter of annular (45), just the internal diameter of retaining ring (44) is less than the diameter of pneumatic cylinder piston rod.
6. The welding tooling of claim 5, wherein: the maximum axial distance between the end part of a piston rod of the hydraulic cylinder and the end part, far away from the fixed seat (2), of the second connecting shaft (35) is smaller than or equal to the difference value between the width of the annular groove (45) and the thickness of the retainer ring (44).
7. The welding tooling of claim 5, wherein: and a fillet is arranged at the edge of the end face of the piston rod of the hydraulic cylinder.
8. The welding tool of claim 2, wherein: the workbench (1) comprises a base (11) and a working plate (12) arranged on the base (11), a sliding key (13) is arranged on the upper surface of the working plate (12), a sliding seat (3) is provided with a sliding groove I (33) connected with the sliding key (13) in a sliding mode, a first limiting part (32) comprises a C-shaped abutting part I (321), the upper structure of the abutting part I (321) is fixedly connected with the sliding seat (3) through a bolt I (322), the end part of the bolt I (322) is abutted to the upper surface of the working plate (12), and the lower structure of the abutting part I (321) is located right below the working plate (12); the support (4) are provided with a second sliding groove (43) connected with the sliding key (13) in a sliding mode, the second limiting part (42) comprises a second C-shaped abutting part (421), the upper structure of the second abutting part (421) is fixedly connected with the support (4) through a second bolt (422), the end part of the second bolt (422) is abutted to the upper surface of the working plate (12), and the lower structure of the second abutting part (421) is located under the working plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021703307.5U CN212761941U (en) | 2020-08-14 | 2020-08-14 | Welding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021703307.5U CN212761941U (en) | 2020-08-14 | 2020-08-14 | Welding tool |
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| Publication Number | Publication Date |
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| CN212761941U true CN212761941U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021703307.5U Active CN212761941U (en) | 2020-08-14 | 2020-08-14 | Welding tool |
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| CN (1) | CN212761941U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113774301A (en) * | 2021-09-16 | 2021-12-10 | 四川大学 | Method for prolonging fatigue life of welding seam of titanium alloy electron beam welding part through electromagnetic coupling treatment |
-
2020
- 2020-08-14 CN CN202021703307.5U patent/CN212761941U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113774301A (en) * | 2021-09-16 | 2021-12-10 | 四川大学 | Method for prolonging fatigue life of welding seam of titanium alloy electron beam welding part through electromagnetic coupling treatment |
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