CN112276466B - Bumper positioner - Google Patents
Bumper positioner Download PDFInfo
- Publication number
- CN112276466B CN112276466B CN202011598585.3A CN202011598585A CN112276466B CN 112276466 B CN112276466 B CN 112276466B CN 202011598585 A CN202011598585 A CN 202011598585A CN 112276466 B CN112276466 B CN 112276466B
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- CN
- China
- Prior art keywords
- clamping
- guide rail
- shaft
- clamping disc
- clamping block
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
-
- 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
- B23K37/003—Cooling means
Abstract
The invention discloses a bumper welding positioner, which comprises a frame, wherein the frame comprises two mounting seats, a clamp is arranged on each mounting seat, a turnover table is erected between the two mounting seats, a rotating mechanism is arranged on each mounting seat and is driven by the rotating mechanism to rotate, each rotating mechanism comprises a rotating motor, each clamp comprises a clamping disc, three guide rails are laid on the front side of each clamping disc, a clamping block is connected on each guide rail in a sliding manner, a threaded shaft is fixed at the center of each clamping disc and is positioned on the back side of each clamping disc, the threaded shaft is vertical to the clamping discs, one end of each threaded shaft is fixed on each clamping disc, the other end of each threaded shaft is inserted into a bearing, a central shaft is also fixed on each clamping disc, and the three guide rails are arranged around the central shaft, the workpiece to be welded is sleeved on the central shaft and is clamped by the clamping block.
Description
Technical Field
The invention mainly relates to the technical field of welding auxiliary equipment, in particular to a bumper welding positioner.
Background
The welding positioner is used for dragging a workpiece to be welded to move a welding seam to be welded to an ideal position for welding.
Welding positioner among the prior art, its structure is shown in the chinese utility model patent that patent number is CN201921716263.7, including welding positioner support, dust absorption mechanism and stabilizing mean, dust absorption mechanism is located welding positioner support, and dust absorption mechanism includes welded platform, air pump and manual valve, and welded platform sets up in welding positioner support's top, the internally mounted of water tank has the rotary rod, and the outside of rotary rod is provided with the brush, and the middle part of rotary rod runs through there is the pivot, and the water filling port has been seted up at the top of water tank, and the internally mounted of water filling port has the lower extreme of top cap, the bottom of water tank avris is provided with the discharge pipe.
According to the welding positioner in the patent, due to the fact that a workpiece to be welded needs to be dragged through rotation to enable a welding seam to be welded to move to an ideal position, the influence of vibration needs to be eliminated as far as possible when a main shaft of the positioner rotates, and the optimal position of a welder needs to be provided for the welder, so that welding defects possibly generated in the welding process are prevented. However, the vibration of the workpiece in the rotating process is eliminated only by adding the shock absorber, the effect is quite limited, in addition, in the actual welding process, heat generated by welding can be quickly transferred to a clamp of the workpiece through the metal workpiece, and under the influence of the principle of expansion with heat and contraction with cold, the clamp is easy to deform, so that a gap is generated when the workpiece is clamped, the workpiece is loosened, and the welding quality is affected.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the bumper welding positioner which has high precision and a cooling effect and can inhibit vibration and improve the welding quality.
In order to achieve the purpose, the invention provides the following technical scheme:
a bumper welding positioner comprises a rack, wherein the rack comprises two mounting seats, a clamp is arranged on each mounting seat, a turnover table is erected between the two mounting seats, a rotating mechanism is arranged on each mounting seat and is driven to rotate by the rotating mechanism, the rotating mechanism comprises a rotating motor, the rotating motor is provided with a motor shaft, a speed reducer is sleeved on the motor shaft and is provided with an output shaft, the output shaft is connected with the clamp through a bearing, the clamp comprises a clamping disc, three guide rails are paved on the front side of the clamping disc, each guide rail is slidably connected with a clamping block, a threaded shaft is fixed at the center of the clamping disc and is positioned on the back side of the clamping disc, the threaded shaft is vertical to the clamping disc, and one end of the threaded shaft is fixed on the clamping disc, the other end of the output shaft is inserted in the bearing, when the output shaft rotates, the output shaft can drive the threaded shaft to synchronously rotate so as to drive the clamping disc to rotate, a central shaft is also fixed on the clamping disc, the central shaft is positioned on the front side of the clamping disc, the three guide rails are arranged around the central shaft, and a workpiece to be welded is sleeved on the central shaft and is clamped by the clamping block; the cooling mechanism is arranged in the guide rail and comprises a transverse cooling guide pipe and a longitudinal cooling guide pipe, a cooling liquid inlet is formed in the side face of the guide rail and communicated with the longitudinal cooling guide pipe, a pin shaft is inserted into the guide rail and used for positioning the longitudinal cooling guide pipe.
As an improvement of the invention, a fastening piece is arranged on the side of the clamping block, and the fastening piece can fix the clamping block on the guide rail.
Preferably, a pulley is additionally arranged at the bottom of the frame and used for rapidly moving the frame.
According to the specific technical scheme, an installation cavity is formed in the clamping plate in a hollow mode, a ball screw is arranged in the installation cavity, the clamping block is sleeved on the ball screw, a sliding motor is fixed on the side portion of the clamping plate, the ball screw is connected to the sliding motor, the sliding motor drives the ball screw to rotate, and the clamping block is driven to move along the ball screw.
As a further improvement of the invention, the pin shaft is inserted into the guide rail from the side surface of the guide rail, the pin shaft comprises a spiral part and a locking part, the diameter of the locking part is smaller than that of the spiral part, a clamping groove is formed on the side surface of the locking part, a tip is formed at the bottom of the longitudinal cooling guide pipe and can be clamped in the clamping groove, a locking groove is also formed on the side surface of the locking part, a locking screw is inserted into the bottom surface of the guide rail, and the locking screw can be in threaded connection with the locking groove.
Compared with the prior art, the invention has the advantages that: can cool down the guide rail through cooling body, and then cool down the clamp splice, eliminate the high temperature that the welding produced as far as possible and to the influence of clamp splice, restrain the heat altered shape of clamp splice promptly, promote the gliding smoothness and the precision of clamp splice on the guide rail to improve the precision that the welding shifted.
Drawings
FIG. 1 is a schematic structural diagram of a welding positioner of a bumper in an embodiment of the invention;
FIG. 2 is a side view of FIG. 1 in an embodiment of the present invention;
FIG. 3 is a partial schematic view of the chuck of FIG. 2;
FIG. 4 is a front view of FIG. 3;
fig. 5 is a partial structural view of the guide rail of fig. 3.
Detailed Description
Embodiments of a welding positioner for a bumper according to the present invention will be further described with reference to the accompanying drawings.
As shown in the attached drawings, the bumper welding positioner comprises a frame 1, wherein the frame 1 comprises two installation bases 2, a control box 3 is arranged beside the frame, a turnover table 4 is erected between the two installation bases 2, the turnover table 4 can be driven to rotate around the connection position of the turnover table and the installation bases 2, a rotating mechanism is arranged on one side, opposite to each other, of each of the two installation bases 2, and the rotating mechanism drives the turnover table to rotate. In this embodiment, in order to facilitate moving the frame 1, the pulley 12 may be selectively disposed at the bottom of the frame 1, the pulley 12 is generally in a folded state, when it is necessary to move the frame 1, the pulley 12 may be lowered to be lower than the bottom of the frame 1, and then the entire frame 1 may be pushed to slide to a designated position by an external driving force.
The rotating mechanism comprises a rotating motor 5, the rotating motor 5 is connected with the control box 3 through a cable, and a control element in the control box sends an instruction to the rotating motor 5 to control the rotating motor 5 to work or stop. The rotating motor is provided with a motor shaft 51, a speed reducer 6 is sleeved on the motor shaft 51 of the rotating motor 5, the speed reducer 6 comprises a gear box body 61, the motor shaft 51 extends in the gear box body 61, a planetary gear set (not shown in the figure) is arranged in the gear box body, the planetary gear set is composed of a sun gear and a plurality of planet gears, the number of teeth of the sun gear and the plurality of planet gears is different, the sun gear is sleeved on the motor shaft, when the motor shaft rotates, the sun gear can be driven to synchronously rotate, and then the planet gears are driven to rotate by the sun gear, the rotating speed ratio between the sun gear and the planet gears is equal to the gear ratio of the sun gear and the planet gears, the number of teeth of the sun gear is obviously more than that of the planet gears, therefore, when the sun gear rotates N circles, the planet gears rotate for one circle, thereby achieving the purpose of speed reduction, and the internal construction of the gear housing is not shown.
The speed reducer 6 further comprises an output shaft 62, the output shaft 62 is connected to the planet wheel at the tail end, the output shaft is connected with a clamp through a bearing, the clamp comprises a clamping disc 7, three guide rails 8 are laid on the front face of the clamping disc 7, a clamping block 9 is connected to each guide rail in a sliding mode, a threaded shaft 10 is fixed to the center of the clamping disc 7, the threaded shaft 10 is located on the back face of the clamping disc 7, the threaded shaft 10 is perpendicular to the clamping disc, one end of the threaded shaft 10 is fixed to the clamping disc 7, the other end of the threaded shaft is connected to a bearing 63 in an inserting mode, when the output shaft 62 rotates, the threaded shaft 10 can be driven to rotate synchronously, the clamping disc 7 is driven to rotate, and when the clamping disc rotates, the overturning table can be driven to rotate.
Still be fixed center pin 11 on the clamping dish, center pin 11 is located the front of clamping dish 7, three guide rails 8 encircle center pin 11 sets up, treat that welded work piece cover is established on center pin 11, and by it presss from both sides tight piece 9 and presss from both sides tightly, accomplished the clamping to the work piece through the triangle principle from this, and triangle fixed knot constructs stability good, can reduce the shake of work piece by a wide margin.
The side of the clamp block 9 is provided with a fastener 91, and the side of the guide rail 8 is also provided with a plurality of positioning holes (not shown), so that when the clamp block 9 is slid to a predetermined position (a station where a workpiece can be locked), the fastener 91 is screwed into the positioning hole, and the clamp block 9 can be locked on the guide rail. Conversely, when the clamping block 9 needs to be moved, the fastener 91 is withdrawn outwards, so that the clamping block can be released from the limit, and the clamping block 9 can be driven to slide along the guide rail 8.
The gliding drive power of clamp block 9 derives from sliding motor 13, the inside cavity of clamping dish 7 is formed with the installation cavity, be provided with ball 14 in the installation cavity, as shown in fig. 3, clamp block 9 overlaps simultaneously and establishes on guide rail 8 and ball 14, open at the guide rail top surface promptly, ball 14 inlays and establishes in the installation groove, ball's tip extends outside the terminal surface of guide rail, be provided with aforementioned sliding motor 13 on the terminal surface of guide rail one end, ball 14 connects on this sliding motor 13, drive power drive ball 14 by sliding motor rotates, ball is from taking screw-nut, when ball rotates, can drive screw-nut and remove along ball, clamp block 9 fixes on screw-nut, thereby it slides along ball to drive clamp block through these linkage relations by sliding motor.
The cooling mechanism is arranged in the guide rail and comprises a transverse cooling guide pipe 15 and a longitudinal cooling guide pipe 16, a cooling liquid inlet 17 is arranged on the side surface of the guide rail, the cooling liquid inlet 17 is communicated with the longitudinal cooling guide pipe 16, when the cooling mechanism works, a pipe joint can be arranged on the cooling liquid inlet, the pipe joint is a bidirectional pipe joint and is simultaneously connected with an external cooling pipe and a discharge pipe, the cooling pipe is connected with a cooling source through a booster pump, cooling liquid in the cooling source is pressurized by the booster pump and then is input into the longitudinal cooling guide pipe 16 through the cooling liquid inlet 15, because the longitudinal cooling guide pipe 16 and the transverse cooling guide pipe 15 are communicated with each other, the cooling liquid can circularly flow between the transverse cooling guide pipe 15 and the longitudinal cooling guide pipe 16, the discharge pipe is discharged, and the discharged cooling liquid is purified and cooled and then flows into the cooling source again, thereby completing one cycle.
Can cool down guide rail 8 through cooling body, and then cool down clamping block 9, eliminate the high temperature that the welding produced as far as possible and to the influence of clamping block, restrain the heat altered shape of clamping block promptly, promote the gliding smoothness and the precision of clamping block 9 on guide rail 8 to improve the precision that the welding shifted. In order to ensure that the cooling device does not become loose inside the guide rails, pins 18 are inserted into the guide rails, which pins 18 serve to position the longitudinal cooling ducts 16. Specifically, the pin shaft 18 is inserted into the guide rail from the side surface of the guide rail, the pin shaft comprises a spiral part 181 and a locking part 182, the diameter of the locking part 182 is smaller than that of the spiral part 181, a clamping groove 183 is formed in the side surface of the locking part 182, a tip 161 is formed at the bottom of the longitudinal cooling guide pipe 16, the tip 161 can be clamped in the clamping groove 183, a locking groove 184 is further formed in the side surface of the locking part 182, a locking screw 19 is inserted into the bottom surface of the guide rail, and the locking screw 19 can be screwed into the locking groove 184.
The above description of the preferred embodiments of the present invention is provided to enable those skilled in the art to make various changes and modifications without departing from the spirit of the present invention, and these changes and modifications should be construed as being included in the scope of the present invention.
Claims (4)
1. The utility model provides a bumper positioner, including the frame, the frame includes two mount pads be provided with anchor clamps on the mount pad, erect between two mount pads and be equipped with roll-over table, its characterized in that: the mounting seat is provided with a rotating mechanism, the rotating mechanism drives the overturning platform to rotate, the rotating mechanism comprises a rotating motor, the rotating motor is provided with a motor shaft, a speed reducer is sleeved on the motor shaft and provided with an output shaft, the output shaft is connected with the clamp through a bearing, the clamp comprises a clamping disc, three guide rails are laid on the front surface of the clamping disc, each guide rail is slidably connected with a clamping block, a threaded shaft is fixed at the center of the clamping disc and positioned on the back surface of the clamping disc, the threaded shaft is vertical to the clamping disc, one end of the threaded shaft is fixed on the clamping disc, the other end of the threaded shaft is inserted into the bearing, and when the output shaft rotates, the threaded shaft can be driven to synchronously rotate so as to drive the clamping disc to rotate, a central shaft is also fixed on the clamping plate and is positioned on the front surface of the clamping plate, the three guide rails are arranged around the central shaft, and a workpiece to be welded is sleeved on the central shaft and is clamped by the clamping block; the cooling mechanism is arranged in the guide rail and comprises a transverse cooling guide pipe and a longitudinal cooling guide pipe, a cooling liquid inlet is formed in the side face of the guide rail and communicated with the longitudinal cooling guide pipe, and a pin shaft is inserted into the guide rail and used for positioning the longitudinal cooling guide pipe; the hinge pin is inserted into the guide rail from the side face of the guide rail, the hinge pin comprises a spiral part and a locking part, the diameter of the locking part is smaller than that of the spiral part, a clamping groove is formed in the side face of the locking part, a tip end is formed at the bottom of the longitudinal cooling guide pipe and can be clamped in the clamping groove, a locking groove is further formed in the side face of the locking part, a locking screw is inserted into the bottom face of the guide rail in a splicing mode, and the locking screw can be in threaded connection with the locking groove.
2. The bumper welding positioner of claim 1, wherein: and a fastener is arranged on the side part of the clamping block and can fix the clamping block on the guide rail.
3. The bumper welding positioner of claim 1, wherein: the bottom of frame sets up to be equipped with additional the pulley, the pulley is used for the quick travel frame.
4. The bumper welding positioner of claim 1, wherein: the clamping device is characterized in that a mounting cavity is formed in the interior of the clamping plate in a hollow mode, a ball screw is arranged in the mounting cavity, the clamping block is sleeved on the ball screw at the same time, a sliding motor is fixed on the side portion of the clamping plate, the ball screw is connected to the sliding motor, the sliding motor drives the ball screw to rotate, and then the clamping block is driven to move along the ball screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011598585.3A CN112276466B (en) | 2020-12-30 | 2020-12-30 | Bumper positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011598585.3A CN112276466B (en) | 2020-12-30 | 2020-12-30 | Bumper positioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112276466A CN112276466A (en) | 2021-01-29 |
| CN112276466B true CN112276466B (en) | 2021-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011598585.3A Active CN112276466B (en) | 2020-12-30 | 2020-12-30 | Bumper positioner |
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| CN (1) | CN112276466B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113695815B (en) * | 2021-07-21 | 2023-04-07 | 江苏能建机电实业集团有限公司 | Universal replaceable adjustable welding assembly platform for cyclone separator |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001950A (en) * | 2013-05-03 | 2014-08-27 | 徕斯机器人（昆山）有限公司 | Automatic water-cooling chuck |
| CN203610701U (en) * | 2013-12-27 | 2014-05-28 | 齐齐哈尔二机床(集团)有限责任公司 | Drum-type chuck for heavy-duty deep hole drilling and boring machine |
| CN205057096U (en) * | 2015-10-20 | 2016-03-02 | 承德石油高等专科学校 | A machine tool chuck |
| CN205128959U (en) * | 2015-11-10 | 2016-04-06 | 呼和浩特众环(集团)有限责任公司 | Novel wedge type power chuck |
| CN209664336U (en) * | 2019-01-25 | 2019-11-22 | 倍得福机械科技(常州)股份有限公司 | A kind of central through hole formula corner chuck |
| CN110052960A (en) * | 2019-05-30 | 2019-07-26 | 上海德宝密封件有限公司 | A kind of adjustable fixture for grinding machine |
| CN112139725A (en) * | 2019-06-28 | 2020-12-29 | 长沙格力暖通制冷设备有限公司 | Welding tool |
| CN211305590U (en) * | 2019-12-25 | 2020-08-21 | 郑州郑飞机械有限责任公司 | Clamping device of drilling machine |
| CN211414210U (en) * | 2019-12-26 | 2020-09-04 | 襄阳晨力机电设备有限公司 | Welding auxiliary assembly |
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2020
- 2020-12-30 CN CN202011598585.3A patent/CN112276466B/en active Active
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| CN112276466A (en) | 2021-01-29 |
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