CN221603549U - Turnover type laser welding machine clamping mechanism - Google Patents

Abstract

The utility model discloses a turnover type laser welding machine clamping mechanism which comprises a bearing plate, wherein a first clamping plate is arranged on the left side of a first bearing table, a second clamping plate is movably connected to one side of a first electric cylinder, and a turnover mechanism is arranged at the top end of the first bearing table. This but tilting laser welding machine clamping mechanism is through being provided with servo motor, the hard tooth face speed reducer, the transmission shaft, first grip block, first electric jar and second grip block, during the use, laser welding machine's welder carries out welding operation from the top, when the welding position is adjusted in the welding process to the needs upset, start servo motor, servo motor passes through the slow rotation of hard tooth face speed reducer drive transmission shaft, the transmission shaft drives first grip block and slowly rotates, under the drive of first grip block, second grip block and the synchronous upset of material, the welding position of work piece also changes thereupon, but realized the welded function of upset, the problem that the device does not possess the welded function of can overturning is solved.

Description

Turnover type laser welding machine clamping mechanism

Technical Field

The utility model relates to the technical field of clamping mechanisms, in particular to a turnover type laser welding machine clamping mechanism.

Background

The laser welding is a novel welding mode of forming a specific molten pool after melting a material by utilizing high-energy laser pulse to locally heat the material in a micro-area, and mainly aims at welding thin-wall materials and precise parts, and can realize fine welding operations such as spot welding, butt welding, stitch welding, seal welding and the like.

The current common laser welding machine clamping mechanism on the market is mostly similar in structure, two groups of clamping plates are driven to be close by an air cylinder or a screw rod, clamping and fixing are formed by extruding a workpiece, and certain functional defects exist in the actual use process, so that a certain improvement space is provided, for example, whether the workpiece is clamped by the air cylinder or the screw rod, the welding surface is limited after the workpiece is fixed, the welding surface cannot be flexibly rotated and adjusted during annular butt welding, and the turnover welding function is not provided.

At present, a novel turnover type laser welding machine clamping mechanism is provided for solving the problems.

Disclosure of utility model

The utility model aims to provide a clamping mechanism of a reversible laser welding machine, which solves the problem that the prior art does not have the reversible welding function.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a but tilting laser welding machine clamping mechanism, includes the bearing board, one side fixedly connected with first square supporting seat at bearing board top, first square sleeve has been cup jointed at the top of first square supporting seat, first square telescopic top fixedly connected with first bearing platform, the left side of first bearing platform is provided with first grip block, the opposite side fixedly connected with second square supporting seat at bearing board top, the second square sleeve has been cup jointed on the top of second square supporting seat, the second square telescopic top fixedly connected with second bearing platform, first electric jar is installed on the top of second bearing platform, one side swing joint of first electric jar has the second grip block, two sets of square sliding sleeves have been cup jointed respectively to the outside of first grip block, the inside bottom of second square supporting seat has the second electric jar respectively, the top of first bearing platform is provided with tilting mechanism.

The turnover mechanism comprises a hard tooth surface speed reducer which is fixedly connected to one side of the top end of the first bearing table, and a servo motor is arranged on one side of the hard tooth surface speed reducer.

Preferably, the other side of the hard tooth surface speed reducer is movably connected with a transmission shaft, and one side of the transmission shaft is fixedly connected with the middle position of one side of the first clamping plate.

Preferably, the first clamping plate and the second clamping plate have the same size, and the mounting heights of the first clamping plate and the second clamping plate are consistent.

Preferably, the inner diameter of the square sliding sleeve is the same as the outer diameters of the first clamping plate and the second clamping plate, and the square sliding sleeve can slide up and down along the outer parts of the first clamping plate and the second clamping plate.

Preferably, threaded locking pins are respectively inserted into four corners of the top end of the bearing plate, and the square sliding sleeve is symmetrically distributed about the horizontal center line of the first clamping plate.

Preferably, a limiting plate is transversely fixedly connected to one side of the square sliding sleeve, an internal thread pipe sleeve is fixedly connected to the middle position of one end of the limiting plate, an external thread screw rod is vertically inserted into the internal of the internal thread pipe sleeve, an adjusting hand wheel is fixedly connected to the top end of the external thread screw rod, a pressing plate is movably connected to the bottom end of the external thread screw rod, threads outside the external thread screw rod are identical with threads inside the internal thread pipe sleeve, and the external thread screw rod penetrates through the internal thread pipe sleeve and the limiting plate and extends to the outside.

Preferably, the front end and the rear end of the first clamping plate and the second clamping plate are respectively provided with a plurality of groups of positioning screw holes, the front end and the rear end of the square sliding sleeve are respectively inserted with positioning bolts, the positioning bolts penetrate through one end of the square sliding sleeve and extend into the positioning screw holes, and the positioning screw holes are arranged at equal intervals.

Preferably, the top end of the second electric cylinder is respectively connected with the top ends of the first square sleeve and the second square sleeve, the first square sleeve can slide up and down along the outer part of the first square supporting seat, and the second square sleeve can slide up and down along the outer part of the second square supporting seat.

Compared with the prior art, the utility model has the beneficial effects that: the clamping mechanism of the turnover type laser welding machine not only realizes the turnover welding function and the function of adjusting the vertical clamping distance, but also realizes the function of adjusting the height of a workpiece;

(1) The welding machine comprises a servo motor, a hard tooth surface speed reducer, a transmission shaft, a first clamping plate, a first electric cylinder and a second clamping plate, wherein when the welding machine is used, a bearing plate is horizontally placed on a welding workbench, a threaded lock pin is driven to install and fix the bearing plate, then a workpiece is horizontally placed between the first clamping plate and the second clamping plate, the first electric cylinder pushes the second clamping plate to approach the first clamping plate, the first clamping plate and the second clamping plate clamp and fix the workpiece, a welding gun of the laser welding machine performs welding operation from above, when the welding position needs to be turned and adjusted, the servo motor is started, the transmission shaft is driven by the servo motor through the hard tooth surface speed reducer to slowly rotate, the first clamping plate is driven by the transmission shaft to slowly rotate, the second clamping plate and materials are synchronously turned over under the driving of the first clamping plate, and the welding position of the workpiece is changed accordingly, so that the turnover welding function is realized;

(2) The two groups of limiting plates can be adjusted according to the shape and the size of the workpiece, the positioning bolts can be unscrewed and pulled out, the limiting plates and the square sliding sleeve can slide up and down, so that the limiting plates are attached to the upper end and the lower end of the workpiece, the proper positioning screw holes are selected, the positioning bolts are driven into the positioning bolts again for fixing, then the adjusting hand wheel is rotated, the external screw rod is driven to longitudinally displace along the internal screw sleeve by the adjusting hand wheel, the pressing plate is pushed to abut against the upper end surface and the lower end surface of the workpiece, and for special-shaped or round workpieces, the clamping is more stable, the slipping during overturning is avoided, and the function of adjusting the up-down clamping distance is realized;

(3) Through being provided with first square supporting seat, first square sleeve, second square supporting seat and second electric jar, during the use, according to the size and the shape of work piece, when needs rise the centre gripping position in order to guarantee that welding in-process can overturn smoothly, start the inside second electric jar of first square supporting seat and second square supporting seat, two sets of second electric jar upwards jack-ups, can jack up first square sleeve and second square sleeve in step, rise the centre gripping position, realized the function of work piece height-adjustable.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is an enlarged schematic side view of a first clamping plate of the present utility model;

FIG. 3 is an enlarged partial cross-sectional view of the structure of FIG. 1A according to the present utility model;

Fig. 4 is a schematic side view partially in cross-section of a first square sleeve according to the present utility model.

In the figure: 1. a bearing plate; 2. a first square support seat; 3. a first square sleeve; 4. a first support table; 5. a servo motor; 6. a hard tooth face speed reducer; 7. a transmission shaft; 8. a first clamping plate; 9. square sliding sleeve; 10. a limiting plate; 11. an internal thread sleeve; 12. an external thread screw rod; 13. an adjusting hand wheel; 14. a pressing plate; 15. positioning bolts; 16. positioning a screw hole; 17. a first electric cylinder; 18. a second support table; 19. a second square sleeve; 20. a second square supporting seat; 21. a second electric cylinder; 22. a threaded locking pin; 23. and a second clamping plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1: referring to fig. 1-4, a clamping mechanism of a reversible laser welding machine comprises a support plate 1, wherein one side of the top of the support plate 1 is fixedly connected with a first square supporting seat 2, the top of the first square supporting seat 2 is sleeved with a first square sleeve 3, the top of the first square sleeve 3 is fixedly connected with a first bearing table 4, the left side of the first bearing table 4 is provided with a first clamping plate 8, the other side of the top of the support plate 1 is fixedly connected with a second square supporting seat 20, the top of the second square supporting seat 20 is sleeved with a second square sleeve 19, the top of the second square sleeve 19 is fixedly connected with a second bearing table 18, the top of the second bearing table 18 is provided with a first electric cylinder 17, one side of the first electric cylinder 17 is movably connected with a second clamping plate 23, and the top of the first bearing table 4 is provided with a reversible mechanism;

referring to fig. 1-4, a reversible laser welding machine clamping mechanism further includes a reversible mechanism, the reversible mechanism includes a hard tooth surface reducer 6, the hard tooth surface reducer 6 is fixedly connected to one side of the top end of the first supporting table 4, and a servo motor 5 is installed on one side of the hard tooth surface reducer 6;

The other side of the hard tooth surface speed reducer 6 is movably connected with a transmission shaft 7, one side of the transmission shaft 7 is fixedly connected with the middle position of one side of the first clamping plate 8, the first clamping plate 8 and the second clamping plate 23 are identical in size, and the mounting heights of the first clamping plate 8 and the second clamping plate 23 are consistent, so that overturning adjustment is convenient in the clamping and welding process;

Specifically, as shown in fig. 1 and 3, the first clamping plate 8 and the second clamping plate 23 clamp and fix the workpiece, a welding gun of the laser welding machine performs welding operation from the upper side, when the welding position needs to be turned and adjusted in the welding process, the servo motor 5 is started, the servo motor 5 drives the transmission shaft 7 to slowly rotate through the hard tooth surface reducer 6, the transmission shaft 7 drives the first clamping plate 8 to slowly rotate, and under the driving of the first clamping plate 8, the second clamping plate 23 and the material synchronously turn over, so that the welding position of the workpiece is changed.

Example 2: two groups of square sliding sleeves 9 are respectively sleeved outside the first clamping plate 8 and the second clamping plate 23, the inner diameter of each square sliding sleeve 9 is identical to the outer diameters of the first clamping plate 8 and the second clamping plate 23, each square sliding sleeve 9 can slide up and down along the outer parts of the first clamping plate 8 and the second clamping plate 23, the four corners at the top end of the supporting plate 1 are respectively inserted with a threaded lock pin 22, the square sliding sleeves 9 are symmetrically distributed about the horizontal center line of the first clamping plate 8, one side of each square sliding sleeve 9 is transversely and fixedly connected with a limiting plate 10, the middle position of one end of each limiting plate 10 is fixedly connected with an inner threaded sleeve 11, the inner ends of each inner threaded sleeve 11 are vertically inserted with an outer threaded lead screw 12, the top ends of each outer threaded lead screw 12 are fixedly connected with an adjusting hand wheel 13, the bottom ends of each outer threaded lead screw 12 are movably connected with a pressing plate 14, threads outside the outer threaded lead screw 12 are matched with threads inside the inner threaded sleeve 11, each outer threaded lead screw 12 penetrates through the inner threaded sleeve 11, the inner parts of the limiting plates 10 and extend to the outer parts, a plurality of groups of positioning screw eyes 16 are respectively arranged at the front and rear ends of each of the first clamping plate 8 and the second clamping plate 23, the positioning screw holes 9 are respectively provided with positioning screw holes 16, the positioning screw bolts 15 extend into the positioning screw holes 15 and the positioning screw holes 15 are arranged at different positions and have different sizes and are aligned with the same distance to each other according to the positioning screw hole positions;

Specifically, as shown in fig. 1 and 2, the positioning bolt 15 is unscrewed and withdrawn, the limiting plate 10 and the square sliding sleeve 9 slide up and down, so that the limiting plate is attached to the upper end and the lower end of a workpiece, a proper positioning screw hole 16 is selected, the positioning bolt 15 is driven again to fix, then the adjusting hand wheel 13 is rotated, the adjusting hand wheel 13 drives the external screw rod 12 to longitudinally displace along the internal screw pipe sleeve 11, the pressing plate 14 is pushed to abut against the upper end surface and the lower end surface of the workpiece, and for a special-shaped or round workpiece, the clamping is more stable, and slipping during overturning is avoided.

Example 3: the bottom ends of the inside of the first square supporting seat 2 and the second square supporting seat 20 are respectively provided with a second electric cylinder 21, the top ends of the second electric cylinders 21 are respectively connected with the top ends of the first square sleeve 3 and the second square sleeve 19, the first square sleeve 3 can slide up and down along the outside of the first square supporting seat 2, the second square sleeve 19 can slide up and down along the outside of the second square supporting seat 20, and the position of a workpiece can be adjusted in a lifting manner according to welding requirements;

Specifically, as shown in fig. 1 and 4, the second electric cylinders 21 inside the first square supporting seat 2 and the second square supporting seat 20 are started, and the two groups of second electric cylinders 21 are lifted upwards, so that the first square sleeve 3 and the second square sleeve 19 can be lifted synchronously, and the clamping position is lifted.

Working principle: when the welding machine is used, firstly, the bearing plate 1 is horizontally placed on a welding workbench, the threaded locking pin 22 is driven to be installed and fixed, then a workpiece is horizontally placed between the first clamping plate 8 and the second clamping plate 23, the first electric cylinder 17 pushes the second clamping plate 23 to be close to the first clamping plate 8, the first clamping plate 8 and the second clamping plate 23 clamp and fix the workpiece, a welding gun of the laser welding machine performs welding operation from above, when the welding position needs to be turned and adjusted, the servo motor 5 is started, the servo motor 5 drives the transmission shaft 7 to slowly rotate through the hard tooth surface reducer 6, the transmission shaft 7 drives the first clamping plate 8 to slowly rotate, the second clamping plate 23 and the material are synchronously turned over under the driving of the first clamping plate 8, and the welding position of the workpiece is changed. During clamping, the second clamping plate 23 and the first clamping plate 8 are clamped on two sides of a workpiece, the positions of the two groups of limiting plates 10 can be adjusted according to the shape and the size of the workpiece, the positioning bolts 15 are unscrewed and pulled out firstly, the limiting plates 10 and the square sliding sleeves 9 slide up and down to enable the limiting plates to be attached to the upper end and the lower end of the workpiece, proper positioning screw holes 16 are selected, the positioning bolts 15 are driven into the workpiece again to be fixed, then the adjusting hand wheel 13 is rotated, the adjusting hand wheel 13 drives the external screw rod 12 to longitudinally displace along the internal screw pipe sleeve 11, the pressing plate 14 is pushed to abut against the upper end surface and the lower end surface of the workpiece, and for special-shaped or round workpieces, the clamping is enabled to be more stable, and slipping during overturning is avoided. According to the size and shape of the workpiece, when the clamping position needs to be raised to ensure that the workpiece can be overturned smoothly in the welding process, the second electric cylinders 21 in the first square supporting seat 2 and the second square supporting seat 20 are started, the two groups of second electric cylinders 21 are lifted upwards, the first square sleeve 3 and the second square sleeve 19 can be lifted synchronously, and the clamping position is raised.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. The utility model provides a but tilting laser welding machine clamping mechanism, includes carrier plate (1), its characterized in that: one side fixedly connected with first square supporting seat (2) at supporting plate (1) top, first square sleeve (3) has been cup jointed at the top of first square supporting seat (2), first supporting bench (4) of top fixedly connected with of first square sleeve (3), the left side of first supporting bench (4) is provided with first grip block (8), the opposite side fixedly connected with second square supporting seat (20) at supporting plate (1) top, second square sleeve (19) has been cup jointed at the top of second square supporting seat (20), second square sleeve (19)'s top fixedly connected with second supporting bench (18), first electric jar (17) are installed at the top of second supporting bench (18), one side swing joint of first electric jar (17) has second grip block (23), two sets of square sliding sleeves (9) have been cup jointed respectively to the outside of first grip block (8), but second square supporting seat (20) inside supporting seat's top is installed at the bottom of second electric jar (21) respectively;

the turnover mechanism comprises a hard tooth surface speed reducer (6), the hard tooth surface speed reducer (6) is fixedly connected to one side of the top end of the first supporting table (4), and a servo motor (5) is installed on one side of the hard tooth surface speed reducer (6).

2. The reversible laser welder-clamping mechanism of claim 1, wherein: the other side of the hard tooth surface speed reducer (6) is movably connected with a transmission shaft (7), and one side of the transmission shaft (7) is fixedly connected with the middle position of one side of the first clamping plate (8).

3. The reversible laser welder-clamping mechanism of claim 1, wherein: the first clamping plates (8) and the second clamping plates (23) are identical in size, and the mounting heights of the first clamping plates (8) and the second clamping plates (23) are identical.

4. The reversible laser welder-clamping mechanism of claim 1, wherein: the inner diameter of the square sliding sleeve (9) is the same as the outer diameters of the first clamping plate (8) and the second clamping plate (23), and the square sliding sleeve (9) can slide up and down along the outer parts of the first clamping plate (8) and the second clamping plate (23).

5. The reversible laser welder-clamping mechanism of claim 1, wherein: threaded lock pins (22) are respectively inserted into four corners of the top end of the bearing plate (1), and the square sliding sleeve (9) is symmetrically distributed about the horizontal center line of the first clamping plate (8).

6. The reversible laser welder-clamping mechanism of claim 1, wherein: one side of square sliding sleeve (9) transversely fixedly connected with limiting plate (10), intermediate position department fixedly connected with internal thread pipe cover (11) of limiting plate (10) one end, the inside vertical grafting of internal thread pipe cover (11) has external screw thread lead screw (12), the top fixedly connected with regulating hand wheel (13) of external screw thread lead screw (12), the bottom swing joint of external screw thread lead screw (12) has pressboard (14), the outside screw thread of external screw thread lead screw (12) coincide with the inside screw thread of internal screw thread pipe cover (11), the inside that external screw thread lead screw (12) runs through internal screw thread pipe cover (11), limiting plate (10) extends to outside.

7. The reversible laser welder-clamping mechanism of claim 1, wherein: the novel square sliding sleeve is characterized in that a plurality of groups of positioning screw holes (16) are respectively arranged at the front end and the rear end of the first clamping plate (8) and the second clamping plate (23), positioning bolts (15) are respectively inserted into the front end and the rear end of the square sliding sleeve (9), the positioning bolts (15) penetrate through one end of the square sliding sleeve (9) and extend into the positioning screw holes (16), and the positioning screw holes (16) are arranged at equal intervals.

8. The reversible laser welder-clamping mechanism of claim 1, wherein: the top of second jar (21) is connected with the top of first square sleeve (3), second square sleeve (19) respectively, first square sleeve (3) can slide from top to bottom along the outside of first square supporting seat (2), second square sleeve (19) can slide from top to bottom along the outside of second square supporting seat (20).