CN110732820B - Welding clamping tool - Google Patents
Welding clamping tool Download PDFInfo
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- CN110732820B CN110732820B CN201810805769.9A CN201810805769A CN110732820B CN 110732820 B CN110732820 B CN 110732820B CN 201810805769 A CN201810805769 A CN 201810805769A CN 110732820 B CN110732820 B CN 110732820B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
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Abstract
The invention provides a welding clamping tool, which comprises: the first moving frame is connected with the rack through a sliding device so as to enable the first moving frame to move along a first direction parallel to a horizontal plane; the first pressing device is arranged on the first moving frame and used for clamping a workpiece; after the workpiece is placed on the rack, the first movable rack can be moved along the first direction, and the position of the first movable rack on the rack is further adjusted, so that the workpiece can be clamped by the first pressing device on the first movable rack; the clamping device can clamp workpieces with different sizes, and the universality is enhanced.
Description
Technical Field
The invention relates to the technical field of welding equipment, in particular to a welding clamping tool.
Background
The rail train body is formed by welding a plurality of sectional materials, and when welding is carried out, the workpieces are required to be ensured not to move so as to ensure the precision of the rail train body; how to prevent the workpiece from moving during welding has become a hot point of research.
In the prior art, a welding clamping tool is usually adopted to prevent a workpiece from moving, the common welding clamping work comprises a rack, a clamping bolt and a pressing plate, a positioning hole is formed in the rack, and a bolt hole is formed in the pressing plate; during the use, place the work piece in the frame, later place the clamp plate on the face that the work piece deviates from the frame, wear to establish clamping bolt in locating hole and bolt hole again, tighten clamping bolt so that the work piece presss from both sides and establishes between clamp plate and frame, and then prevent the work piece at the welding in-process and remove.
However, in the prior art, because the position of the positioning hole on the rack is fixed, the welding clamping tool can only be applied to workpieces with the same size, and the welding clamping tool is poor in universality.
Disclosure of Invention
In view of this, the invention provides a welding clamping tool, so as to solve the technical problem that in the prior art, because the position of a positioning hole on a rack is fixed, the welding clamping tool can only be applied to workpieces of the same size, and the welding clamping tool is poor in universality.
The invention provides a welding clamping tool, which comprises: the first moving frame is connected with the rack through a sliding device, so that the first moving frame can move relative to the rack along a first direction parallel to a horizontal plane; the first pressing device is arranged on the first moving frame and used for pressing the workpiece on the rack.
According to the welding clamping tool, preferably, the sliding device comprises a sliding rail, the sliding rail is arranged on the rack, and the center line of the sliding rail is parallel to the first direction; the first movable frame is provided with a sliding groove, and the sliding rail is slidably arranged in the sliding groove.
According to the welding clamping tool, preferably, the sliding device further comprises a driving device, and the driving device is used for driving the first movable frame to move.
The welding clamping tool preferably comprises a first pressing rod, a first pressing head and a first telescopic device, wherein the first pressing head is arranged at the front end of the first pressing rod, the first pressing rod is hinged to the first movable frame, the first pressing rod is connected with the first telescopic device, and the first telescopic device is used for driving the first pressing rod to rotate so that the first pressing head presses the workpiece on the rack.
According to the welding clamping tool, preferably, the first pressing rod is hinged to the rotating plate, and the rotating plate is rotatably connected with the first movable frame.
According to the welding clamping tool, preferably, a locking device is arranged on the rotating plate, and the locking device is used for locking the rotating plate when the rotating plate rotates to a preset angle.
The welding clamping tool preferably further comprises a second moving frame and a second pressing device, the second moving frame is connected with the rack through a second telescopic device, and the second telescopic device is used for driving the second moving frame to move relative to the rack along a second direction perpendicular to the horizontal plane; the second pressing device is arranged on the second moving frame and used for pressing the workpiece on the rack.
As above, preferably, the second pressing device includes: the second pressure head is arranged at the tail end of the second pressing rod, the second pressing rod is hinged to the second moving frame, the third telescopic device is arranged on the second moving frame, and the third telescopic device is hinged to the second pressing rod and used for driving the second pressing rod to rotate so that the workpiece can be pressed by the second pressure head.
As above, the welding clamping tool preferably further includes: the third pressing devices are arranged on the rack at intervals along the first direction and are used for pressing the workpiece on the rack.
The welding clamping tool preferably further comprises a backing plate, and the backing plate is arranged on the upper surface of the rack and used for contacting with the workpiece.
According to the welding clamping tool, a first moving frame is connected with a rack through a sliding device, and a first pressing device is arranged on the first moving frame; after the workpiece is placed on the rack, the first movable rack can be moved along the first direction, and the position of the first movable rack on the rack is further adjusted, so that the workpiece can be clamped by the first pressing device on the first movable rack; the clamping device can clamp workpieces with different sizes, and the universality is enhanced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic mechanism diagram of a welding clamping tool according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a sliding device in the welding clamping tool according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a first pressing device in the welding clamping tool according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram of a second pressing device in the welding clamping tool according to the embodiment of the present invention;
fig. 5 is a schematic structural diagram of a third pressing device in the welding and clamping tool provided in the embodiment of the present invention.
Description of reference numerals:
10. a first movable frame;
20. a second movable frame;
30. a third pressing device;
40. a frame;
50. a base plate;
101. a slide rail;
102. a drive device;
103. a first hold down bar;
104. a first ram;
105. a first telescoping device;
106. a rotating plate;
107. a locking device;
201. a second telescoping device;
202. a second hold down bar;
203. a second ram;
204. a third telescoping device;
301. a third hold down bar;
302. a third ram;
303. a fourth telescoping device;
304. positioning blocks;
1041. a compression plate;
1042. adjusting the stud;
1043. an adjusting part.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic mechanism diagram of a welding clamping tool according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a sliding device in the welding clamping tool according to an embodiment of the present invention; fig. 3 is a schematic structural diagram of a first pressing device in the welding clamping tool according to the embodiment of the present invention; fig. 4 is a schematic structural diagram of a second pressing device in the welding clamping tool according to the embodiment of the present invention; fig. 5 is a schematic structural diagram of a third pressing device in the welding and clamping tool provided in the embodiment of the present invention.
Please refer to fig. 1-5. The embodiment provides a welding clamping tool, includes: the device comprises a machine frame 40, a first pressing device and a first moving frame 10, wherein the first moving frame 10 is connected with the machine frame 40 through a sliding device, so that the first moving frame 10 can move relative to the machine frame 40 along a first direction parallel to a horizontal plane; a first pressing device is provided on the first moving frame 10, and the first pressing device is used for pressing the workpiece against the frame 40.
Specifically, the rack 40 in this embodiment may have various types, for example: the frame 40 may be a rectangular frame, the bottom surface of the frame facing the ground is erected on the ground, and the workpiece is placed on the top surface of the frame facing away from the ground; or the rack 40 is in a circular table or prismoid shape, in order to ensure the stability of the rack 40, the bottom surface of the rack 40 with a larger area needs to be contacted with the ground, and the top surface with a smaller area is used for placing a workpiece; of course, the frame 40 may have other shapes.
Specifically, the first moving frame 10 may have a plate shape, the first moving frame 10 is disposed parallel to a horizontal plane, or the first moving frame 10 has a rectangular parallelepiped frame; the corresponding first movable frame 10 may be disposed on the top surface of the frame 40 or a sliding slot extending along the first direction may be formed on the frame 40, and the first movable frame 10 is disposed in the sliding slot.
Specifically, the sliding means may be various as long as the first moving frame 10 can be moved in parallel to the first direction, for example: the first sliding column and the second sliding column are arranged on the frame 40 at intervals, the central line of the first sliding column and the central line of the second sliding column are parallel to the first direction, the first sliding hole and the second sliding hole are correspondingly arranged on the first moving frame 10, the first sliding column is arranged in the first sliding hole in a sliding mode, the second sliding column is arranged in the second sliding hole in a sliding mode, and therefore when the first moving frame 10 is pushed in the direction parallel to the first direction, the first moving frame 10 can move on the frame 40.
Preferably, the first preset direction may be any direction parallel to the horizontal plane, so as to adjust the position of the first movable frame 10, and thus the clamping device on the first movable frame 10 can clamp workpieces with different sizes; for example: when the frame 40 has a rectangular parallelepiped shape, the first pre-orientation may be a direction parallel to any side surface between the top surface and the bottom surface of the rectangular parallelepiped; of course, the first preset direction can be reasonably set according to the shape of the workpiece.
Specifically, the first pressing device may be various, as long as it can clamp the workpiece and prevent the workpiece from moving on the frame 40, for example: first closing device can include first clamp bolt and holding-down piece, and is corresponding to be provided with the bolt hole on first removal frame 10, is provided with the second bolt hole on the holding-down piece, and the work piece is placed back in frame 40, and the setting of worker's holding-down piece is on the top surface that deviates from ground of work piece, later wears to establish first hold-down bolt in first bolt hole and second bolt hole, and then makes the holding-down piece press the work piece on frame 40 through screwing first hold-down bolt to the realization is fixed to the work piece.
The use of the welding clamping tool that this embodiment provided does: firstly, a workpiece is placed on the machine frame 40 through a crane, the position of the workpiece is adjusted, then the first moving frame 10 is moved along the first direction to adjust the position of the first moving frame 10 on the machine frame 40, and then the workpiece is clamped through the first pressing device to fix the workpiece, so that the workpiece can be conveniently welded subsequently.
In the welding clamping tool provided by the embodiment, the first moving frame 10 is connected with the rack 40 through a sliding device, and the first pressing device is arranged on the first moving frame 10; after the workpiece is placed on the machine frame 40, the first moving frame 10 can be moved in the first direction, and then the position of the first moving frame 10 on the machine frame 40 is adjusted, so that the first pressing device on the first moving frame 10 can clamp the workpiece; the clamping device can clamp workpieces with different sizes, and the universality is enhanced.
With continued reference to fig. 1 and 2. Specifically, the sliding device comprises a sliding rail 101, the sliding rail 101 is arranged on the rack 40, and the center line of the sliding rail 101 is parallel to the first direction; the first movable frame 10 is provided with a sliding slot, and the sliding rail 101 is slidably disposed in the sliding slot. Through the cooperation of the sliding rail 101 and the sliding groove, the first movable frame 10 can move along the first direction, and the moving smoothness of the first movable frame 10 is enhanced.
With continued reference to fig. 2. Specifically, the sliding device further includes a driving device 102, and the driving device 102 is used for driving the first moving frame 10 to move. The first moving frame 10 is driven to move by the driving device, so that the operation is convenient and labor-saving.
Preferably, the driving device 102 may be a hydraulic cylinder, a cylinder body of the corresponding hydraulic cylinder is connected to the frame 40, a piston rod of the hydraulic cylinder is connected to the first movable frame 10, and a center line of the hydraulic cylinder is parallel to the first direction, so as to drive the first movable frame 10 to move along the first direction when the piston rod of the hydraulic cylinder extends from or retracts into the cylinder body; or the driving device 102 is a cylinder; of course, the driving device 102 may also include a driving motor and a driving screw, the driving screw is rotatably connected to the frame 40, an axis of the driving screw is parallel to a central line of the slide rail 101, a driving threaded hole is formed in the first moving frame 10, the driving screw is matched with the driving threaded hole, the driving motor is in transmission connection with the driving screw, and the driving screw can be driven to rotate by the driving motor, so as to drive the first moving frame 10 to move along the first direction; and the moving distance of the first moving frame 10 can be accurately controlled by controlling the rotation angle of the driving motor; of course, by controlling the rotation direction of the driving motor, the moving direction of the first moving frame 10 may be controlled. The driving device 102 may be other devices capable of driving the first movable frame 10 to move.
Continuing with fig. 1-5. Specifically, the first pressing device comprises a first pressing rod 103, a first pressing head 104 and a first telescopic device 105, the first pressing head 104 is arranged at the front end of the first pressing rod 103, the first pressing rod 103 is hinged to the first movable frame 10, the first pressing rod 103 is connected with the first telescopic device 105, and the first telescopic device 105 is used for driving the first pressing rod 103 to rotate, so that the first pressing head 104 presses the workpiece on the rack 40. The first pressing rod 103 is driven to rotate around the hinge shaft, so that the first pressing head presses the workpiece, and the operation is simple and rapid.
Preferably, the first telescopic device 105 may be a hydraulic cylinder, a cylinder body of the hydraulic cylinder is connected with the first moving frame 10, and a piston rod of the hydraulic cylinder is hinged with the first pressing rod 103; further preferably, the hinge position between the hydraulic cylinder and the first pressing rod 103 is located at the end of the first pressing rod 103; of course, the first expansion device 105 may also be a pneumatic cylinder.
Specifically, the first pressing head 104 includes an adjusting stud 1042 and a pressing plate 1041, an adjusting threaded hole matched with the adjusting stud 1042 is arranged at the front end of the first pressing rod 103, the adjusting stud 1042 penetrates through the adjusting threaded hole, the pressing plate 1041 is arranged on the upper bottom end of the adjusting stud 1042 facing the frame 40, and the cross-sectional area of the pressing plate 1041 is larger than that of the adjusting stud 1042; an adjusting part 1043 is arranged at the top end of the adjusting stud 1042, the adjusting part 1043 may be a through hole formed in the side wall of the adjusting stud 1042 near the top end, so as to penetrate an iron column into the through hole, and further adjust the stud 1042 by twisting the iron column, and adjust the distance between the pressing plate 1041 and the first pressing rod 103, and further adjust the pressing force of the first pressing head 104 on the workpiece; or the adjusting portion 1043 is a prism with a regular hexagon arranged at the top end of the adjusting stud 1042, so that the prism is clamped by a wrench to further twist the adjusting stud 1042.
With continued reference to fig. 3. Specifically, the first pressing lever 103 is hinged to a rotating plate 106, and the rotating plate 106 is rotatably connected to the first movable frame 10. Through making the rotor plate 106 rotate, can adjust the angle of first compressing tightly pole 103, can rotate first compressing tightly pole 103 when first removal frame 10 moves along first direction, and then make first compressing tightly pole 103 can compress tightly the not unidimensional work piece to further strengthen the commonality of welding clamp frock.
Preferably, a rotating shaft is arranged at the lower part of the rotating plate 106, correspondingly, a shaft hole is arranged on the first movable frame 10, a rolling bearing is sleeved on the rotating shaft, and the rotating shaft is connected with the shaft hole through the rolling bearing, so that the rotatable connection between the rotating plate 106 and the first movable frame 10 is realized.
With continued reference to fig. 3. Specifically, the rotating plate 106 is provided with a locking device 107, and the locking device 107 is used for locking the rotating plate 106 when the rotating plate 106 rotates to a preset angle so as to prevent the rotating plate 106 from rotating. After the first pressing head 104 on the first pressing rod 103 presses the workpiece, the locking device 107 locks the rotating plate 106, so that the first pressing head 104 is prevented from being separated from the workpiece due to rotation of the first pressing rod 103 when the workpiece is welded, and the workpiece is further separated from the fixed position. It should be noted that the preset angle is any included angle that the first pressing head on the first pressing rod 103 presses the workpiece to rotate, the size of the workpiece is different, and the preset included angle may also be different.
Preferably, the locking device 107 may include a locking bolt, a locking threaded hole matched with the locking bolt is formed on the rotating plate 106, the locking bolt penetrates through the locking threaded hole, when the first pressing rod 103 rotates by a preset angle, the locking bolt is twisted so as to extend from the rotating plate 106 towards one end of the first moving frame 10, and the locking bolt abuts against the first moving frame 10; the rotation of the rotation plate 106 is prevented by the friction between the locking bolt and the first moving frame 10, and the rotation plate 106 is locked. Of course, the locking device 107 may be other devices capable of preventing the rotation of the rotation plate 106 when the rotation plate 106 rotates by a predetermined angle.
Specifically, a plurality of first pressing rods 103 are arranged on the first moving frame 10 at intervals along a direction perpendicular to the first direction, a first pressure head 104 is arranged at the front end of each pressing rod, each first pressing rod 103 is connected with the first moving frame 10 through a rotating plate 106, and each first pressing rod 103 is connected with a first telescopic device 105; such that multiple first rams 104 may simultaneously contact the workpiece to further resist movement of the workpiece on the frame 40.
Specifically, the two ends of the frame 40 along the first direction are respectively provided with a first pressing device, the two first pressing devices are connected with the frame 40 through sliding devices, and the positions of the first pressing devices on the frame 40 are adjusted by moving the two first pressing devices on the frame 40, so that the first pressing devices can press workpieces with different sizes.
With continued reference to fig. 1. Specifically, the welding clamping tool further comprises a second moving frame 20 and a second pressing device, the second moving frame 20 is connected with the rack 40 through a second telescopic device 201, and the second telescopic device 201 is used for driving the second moving frame 20 to move relative to the rack 40 along a second direction perpendicular to the horizontal plane; the second pressing device is provided on the second moving frame 20 for pressing the workpiece against the frame 40. The distance between the second movable frame 20 and the rack 40 can be adjusted through the second telescopic device 201 so as to adapt to workpieces with different sizes, and the universality of the welding clamping tool is further improved.
Preferably, the second telescopic device 201 may be a hydraulic cylinder, a cylinder body of the hydraulic cylinder is connected with the frame 40, a hydraulic piston rod is connected with the second moving frame 20, and a center line of the hydraulic cylinder is arranged perpendicular to a horizontal plane, so that a distance between the second moving frame 20 and the frame 40 is adjusted by the extension and contraction of the piston rod.
With continued reference to fig. 4. Preferably, the second pressing means comprises: the workpiece pressing device comprises a third telescopic device 204, a second pressing rod 202 and a second pressing head 203, wherein the second pressing head 203 is arranged at the tail end of the second pressing rod 202, the second pressing rod 202 is hinged with the second movable frame 20, the third telescopic device 204 is arranged on the second movable frame 20, and the third telescopic device 204 is hinged with the second pressing rod 202 and used for driving the second pressing rod 202 to rotate so that the second pressing head 203 presses the workpiece. The second pressing rod 202 is driven to rotate around the hinge shaft, so that the second pressing head presses the workpiece, and the operation is simple and rapid.
Preferably, the third telescopic device 204 may be a hydraulic cylinder, a cylinder body of the hydraulic cylinder is connected with the second moving frame 20, and a piston rod of the hydraulic cylinder is hinged with the second pressing rod 202; further preferably, the hinge position between the hydraulic cylinder and the second pressing rod 202 is located at the end of the second pressing rod 202; of course, the third expansion device 204 may be a cylinder.
Specifically, the second pressing head 203 is provided with a first positioning surface perpendicular to the horizontal plane and a second positioning surface parallel to the horizontal plane, and the first positioning surface and the second positioning surface are used for being matched with two mutually perpendicular reference surfaces on the workpiece, so that the position accuracy of the workpiece is improved. Further, the second pressing head 203 may be provided in plurality, and a plurality of second pressing heads 203 are provided at intervals along the center line of the second pressing rod 202 so as to cooperate with a plurality of reference surfaces on the workpiece, thereby further improving the positional accuracy of the workpiece.
Preferably, a plurality of second pressing rods 202 are arranged on the second moving frame 20 at intervals along the first direction, a second pressing head 203 is arranged on each corresponding second pressing rod 202, and each second pressing rod 202 is connected with a third telescopic device 204; the second rams 203 on the plurality of second compaction bars 202 can simultaneously compact the workpiece to further resist movement of the workpiece on the frame 40.
With continued reference to fig. 1 and 5. Specifically, the welding clamping tool further comprises: and the third pressing devices 30 are arranged on the frame 40 at intervals along the direction parallel to the first direction, and the third pressing devices 30 are used for pressing the workpiece on the frame 40. The third pressing device 30 presses the workpiece against the frame 40, which further improves the stability of the workpiece on the frame 40 to prevent the workpiece from moving on the frame 40 during the welding process.
Preferably, the third pressing device 30 may include a fourth telescoping device 303, a third pressing rod 301 and a third pressing head 302, the fourth telescoping device 303 may be a hydraulic cylinder, a cylinder body of the hydraulic cylinder is connected with the frame 40, and a piston rod of the hydraulic cylinder is hinged to the third pressing rod 301; further preferably, the hinge position between the hydraulic cylinder and the third pressing rod 301 is located at the end of the third pressing rod 301; of course, the fourth retractor 303 may also be a pneumatic cylinder.
Further, the third ram 302 may have a configuration substantially similar to the configuration of the first ram 104 for adjusting the pressing force of the third ram 302 against the workpiece, and will not be described in detail herein.
Specifically, a positioning block 304 is arranged on the third pressing rod 301, the positioning block 304 includes a third positioning surface parallel to the horizontal plane and a fourth positioning surface perpendicular to the horizontal plane, and the third positioning surface and the fourth positioning surface are respectively matched with two mutually perpendicular reference surfaces on the workpiece, so as to improve the position accuracy of the workpiece.
Specifically, the welding clamping tool further comprises a backing plate 50, and the backing plate 50 is arranged on the upper surface of the frame 40 and is used for contacting with the workpiece. The workpiece is in direct contact with the backing plate 50 to prevent the frame 40 from scratching the surface of the workpiece. Preferably, the backing plate 50 may be a ceramic plate, or the backing plate 50 may be a steel plate having a hardness less than that of the workpiece.
In the present invention, unless otherwise specifically stated, the terms "mounted," "connected," "fixed," and the like are to be understood broadly, and for example, may be fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, or communicable with each other; they may be directly connected or indirectly connected through an intermediate medium, or they may be connected internally or in any other manner known to those skilled in the art, unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. The utility model provides a welding clamping frock which characterized in that includes: the first moving frame is connected with the rack through a sliding device, so that the first moving frame can move relative to the rack along a first direction parallel to a horizontal plane; the first pressing device is arranged on the first moving frame and used for pressing the workpiece on the rack;
the first pressing device comprises a first pressing rod, a first pressing head and a first telescopic device, the first pressing head is arranged at the front end of the first pressing rod, the first pressing rod is hinged with the first moving frame, the first pressing rod is connected with the first telescopic device, and the first telescopic device is used for driving the first pressing rod to rotate so that the first pressing head presses the workpiece on the rack;
the first pressing rod is hinged with the rotating plate, and the rotating plate is rotatably connected with the first moving frame;
the rotating plate is provided with a locking device, and the locking device is used for locking the rotating plate when the rotating plate rotates to a preset angle;
the welding clamping tool further comprises a second moving frame and a second pressing device, the second moving frame is connected with the rack through a second telescopic device, and the second telescopic device is used for driving the second moving frame to move relative to the rack along a second direction perpendicular to the horizontal plane; the second pressing device is arranged on the second moving frame and used for pressing the workpiece on the rack;
the second pressing device includes: the second pressing head is arranged at the tail end of the second pressing rod, the second pressing rod is hinged with the second moving frame, the third telescopic device is arranged on the second moving frame, and the third telescopic device is hinged with the second pressing rod and used for driving the second pressing rod to rotate so as to enable the second pressing head to press the workpiece;
the second pressure head is provided with a first positioning surface vertical to the horizontal plane and a second positioning surface parallel to the horizontal plane, and the first positioning surface and the second positioning surface are used for being matched with two mutually vertical reference surfaces on a workpiece;
the second moving frame is provided with a plurality of second pressing rods at intervals along the first direction, each second pressing rod is provided with a second pressing head, and each second pressing rod is connected with one third telescopic device.
2. The welding clamping tool according to claim 1, wherein the sliding device comprises a sliding rail, the sliding rail is arranged on the rack, and a center line of the sliding rail is parallel to the first direction; the first movable frame is provided with a sliding groove, and the sliding rail is slidably arranged in the sliding groove.
3. The welding clamping tool of claim 2, wherein the sliding device further comprises a driving device, and the driving device is used for driving the first moving frame to move.
4. The welding clamping tool according to any one of claims 1-3, further comprising: the third pressing devices are arranged on the rack at intervals along the first direction and are used for pressing the workpiece on the rack.
5. The welding clamping tool of any one of claims 1-3, further comprising a backing plate disposed on an upper surface of the frame for contacting the workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810805769.9A CN110732820B (en) | 2018-07-20 | 2018-07-20 | Welding clamping tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810805769.9A CN110732820B (en) | 2018-07-20 | 2018-07-20 | Welding clamping tool |
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| CN110732820A CN110732820A (en) | 2020-01-31 |
| CN110732820B true CN110732820B (en) | 2021-09-03 |
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| CN112427828B (en) * | 2020-11-09 | 2022-04-26 | 湖南武陵机械制造有限公司 | Welding retraction process for fixed support leg of crane frame |
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|---|---|
| CN110732820A (en) | 2020-01-31 |
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