CN219986510U - Welding mechanism with accurate positioning - Google Patents

Abstract

The utility model discloses a welding mechanism with accurate positioning, which comprises a base, wherein upright posts are arranged at four corners of the top of the base, top plates are arranged at the tops of the four groups of upright posts together, an electric push rod is arranged in the middle of the top plate, an installation frame is arranged at the output end of the electric push rod, a motor is arranged at the top of one side of the installation frame, and a screw rod is arranged at the output end of the motor; according to the utility model, through the mutual matching among the motor, the screw rod, the internal thread pipe, the mounting frame, the pressing plate, the movable rod, the spring and the guide groove, when the device is used for welding a workpiece by controlling the downward movement of the laser welding head, the pressing plates can be pressed on two sides of the welding seam, the positioning is more accurate when the laser welding head slides along the mounting frame for welding, and the movable rod can be pushed by the elasticity of the spring during welding so as to elastically press the workpiece, so that the fixing effect on the workpiece is enhanced.

Description

Welding mechanism with accurate positioning

Technical Field

The utility model relates to the technical field of welding mechanisms, in particular to a welding mechanism with accurate positioning.

Background

The laser welding is a novel welding mode, and the positioning accuracy of a welding mechanism can greatly influence the welding effect;

the prior patent with the bulletin number of CN211361185U discloses a welding machine with accurate positioning, which can fix welding parts in multiple directions through an adjusting structure and an auxiliary structure, so that the welding parts can be firmly placed at a proper position, the positioning of the placing position of the welding parts can be accurately performed through a graduated scale, and the adjustment is more convenient;

however, the following disadvantages exist in this device:

when welding the work piece, the welding work piece takes place to rock, just leads to welding seam locating deviation easily, and the device is relatively poor to the fixed of work piece, leads to the work piece welding time, and easy emergence rocks, has reduced work piece locating accuracy, has reduced the welding precision of device.

Disclosure of Invention

The utility model aims to provide a welding mechanism with accurate positioning, so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a welding mechanism of accurate location, includes the base, the four corners department at base top is provided with the stand, four groups the top of stand is provided with the roof jointly, the middle part at roof top is provided with electric putter, electric putter's output is provided with the mounting bracket, the top of mounting bracket one side is provided with the motor, the output of motor is provided with the lead screw, the outside threaded connection of lead screw has the internal thread pipe, the bottom of internal thread pipe is provided with the laser welding head, the guide slot has been seted up at the both ends of stand bottom both sides, four groups the inboard slip grafting of guide slot has the movable rod, four groups the bottom of movable rod is provided with the clamp plate, four groups the top of movable rod is provided with the spring, the middle part of the inside one end of base is provided with the centre gripping subassembly.

Preferably, the clamping assembly comprises a threaded rod, an internal thread block, a clamping plate, a sliding sleeve, a guide rod and a hinging rod, wherein the guide rod is arranged in the middle of one end of the inside of the base, two groups of sliding sleeves are sleeved on the outer side of the guide rod, the top of each sliding sleeve extends to the outer side of the base and is provided with the clamping plate, the threaded rod is sleeved on the middle of one side of the base, the external thread of the threaded rod is connected with the internal thread block, the hinging rod is hinged to the two ends of the internal thread block, two groups of the hinging rods are hinged to the two groups of sliding sleeves respectively, and the clamping assembly can improve the fixing stability of a workpiece during welding, so that the workpiece is positioned more accurately.

Preferably, the middle part of one side of the bottom inside the base is provided with a sliding groove, and the bottom of the internal thread block is provided with a sliding block matched with the sliding groove, so that the internal thread block can be guided.

Preferably, a rotary table is arranged on one side of the threaded rod, and when the rotary table is convenient for an operator to rotate, the two groups of clamping plates are adjusted to be close to or far away from each other.

Preferably, limit grooves matched with the clamping plates are formed in the two ends of the top of the base, and the limit grooves can be used for limiting the moving range of the clamping plates.

Preferably, the middle part cover of roof top both sides is equipped with the guide bar, and the bottom of two sets of guide bars is connected with the mounting bracket, can lead the mounting bracket, promotes its lifting stability.

Compared with the prior art, the utility model has the beneficial effects that: the welding mechanism is accurate in positioning;

1. through the mutual cooperation between the motor, the screw rod, the internal thread pipe, the mounting frame, the pressing plate, the movable rod, the spring and the guide groove, when the device welds a workpiece by controlling the downward movement of the laser welding head, the pressing plates can be used for pressing the two sides of the welding seam, the positioning is more accurate when the laser welding head slides along the mounting frame for welding, and the movable rod can be pushed by the elasticity of the spring during welding to enable the pressing plates to elastically press the workpiece, so that the fixing effect on the workpiece is enhanced, the workpiece is not easy to deform during welding, and the clamping of the two groups of clamping plates is matched, so that the welding stability is improved;

2. through the cooperation between threaded rod, internal thread piece, grip block, sliding sleeve, guide arm and the articulated rod for the device is when welding the work piece, only need through carousel rotatory threaded rod, can drive two sets of grip blocks each other and be close to, carry out the centre gripping location to the work piece fast, thereby can guarantee the fixed stability of work piece, rocks when preventing the welding.

Drawings

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

FIG. 2 is a front cross-sectional view of the present utility model;

FIG. 3 is a top cross-sectional view of the present utility model;

FIG. 4 is a side cross-sectional view of the present utility model;

fig. 5 is an enlarged schematic view of the structure of fig. 4 a according to the present utility model.

In the figure: 1. a base; 2. a motor; 3. a top plate; 4. a screw rod; 5. an internally threaded tube; 6. an electric push rod; 7. a laser welding head; 8. a mounting frame; 9. a column; 10. a threaded rod; 11. an internal thread block; 12. a clamping plate; 13. a sliding sleeve; 14. a guide rod; 15. pressing the plate; 16. a movable rod; 17. a spring; 18. a guide groove; 19. and a hinge rod.

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.

Referring to fig. 1-5, embodiments of the present utility model are provided: the utility model provides a welding mechanism of accurate location, including base 1, the four corners department at base 1 top is provided with stand 9, the top of four sets of stands 9 is provided with roof 3 jointly, the middle part at roof 3 top is provided with electric putter 6, electric putter 6's output is provided with mounting bracket 8, the top of mounting bracket 8 one side is provided with motor 2, motor 2's output is provided with lead screw 4, lead screw 4's outside threaded connection has female screw 5, female screw 5's bottom is provided with laser welding head 7, guide slot 18 has been seted up at the both ends of stand 9 bottom both sides, the inboard slip grafting of four sets of guide slots 18 has movable rod 16, the bottom of four sets of movable rod 16 is provided with pressing plate 15, the top of four sets of movable rod 16 is provided with spring 17, the middle part of the inside one end of base 1 is provided with the centre gripping subassembly.

Further, the clamping assembly comprises a threaded rod 10, an internal thread block 11, a clamping plate 12, sliding sleeves 13, a guide rod 14 and a hinging rod 19, the middle part of one end inside the base 1 is provided with the guide rod 14, two groups of sliding sleeves 13 are sleeved outside the guide rod 14, the tops of the two groups of sliding sleeves 13 extend to the outer side of the base 1 and are provided with the clamping plate 12, the middle part of one side of the base 1 is sleeved with the threaded rod 10, the external threads of the threaded rod 10 are connected with the internal thread block 11, two ends of the internal thread block 11 are hinged with the hinging rod 19, one sides of the two groups of hinging rods 19 are hinged with the two groups of sliding sleeves 13 respectively, the clamping assembly can improve the fixing stability of a workpiece during welding, so that the workpiece is positioned more accurately, and when the two groups of clamping plates 12 are controlled to be mutually close, the workpiece can be clamped in the middle part of the top of the base 1, and the welding part can be positioned below the laser welding head 7.

Further, the middle part of one side of the bottom inside the base 1 is provided with a sliding groove, the bottom of the internal thread block 11 is provided with a sliding block matched with the sliding groove, so that the internal thread block 11 can be guided, and the threaded rod 10 can not drive the internal thread block 11 to rotate when rotating, but drive the internal thread block 11 to slide along the external side of the threaded rod.

Further, one side of the threaded rod 10 is provided with a turntable, through which an operator can conveniently rotate the two sets of clamping plates 12 toward or away from each other.

Further, the two ends of the top of the base 1 are provided with limit grooves matched with the clamping plates 12, the limit grooves can be used for limiting the moving range of the clamping plates 12, and when the clamping plates 12 are controlled to move, the clamping plates 12 can slide along the limit grooves.

Further, the middle part cover of roof 3 top both sides is equipped with the guide bar, and the bottom of two sets of guide bars is connected with mounting bracket 8, can lead to mounting bracket 8, promotes its stability in lifting, and when electric putter 6 promotes mounting bracket 8 activity from top to bottom, two sets of mounting brackets 8 can slide along the inboard of roof 3.

Working principle: when the device is used for welding workpieces, the weldable workpieces are placed on the top of the base 1, then an operator can rotate the threaded rod 10 through the turntable to drive the internal thread block 11 to slide to one side, and then the internal thread block 11 can be mutually close along the guide of the guide rod 14 through the connection of the hinging rod 19, so that the two groups of clamping plates 12 are driven to mutually close to clamp and fix the workpieces;

after the fixing, the electric push rod 6 can be started to control the laser welding head 7 to move downwards to weld the workpiece, when the electric push rod 6 drives the installation frame 8 to move downwards, the accessible pressing plate 15 is contacted with the top of the workpiece, then the pressing plate 15 can gradually overcome the elasticity of the spring 17 to slide into the guide groove 18 when the installation frame 8 moves downwards, after the installation frame 8 moves downwards to a specified position, the movable rod 16 can be pushed by the elasticity of the spring 17 to enable the pressing plate 15 to elastically press the workpiece, the fixing effect on the workpiece is enhanced, the motor 2 is started to operate during welding, the screw rod 4 can be driven to rotate by the motor 2, so that the internal thread tube 5 is driven to slide along the outer side of the screw rod 4, and the laser welding head 7 is controlled to weld the workpiece.

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.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected" and "connected" are to be construed broadly, and may be either a fixed connection or a removable connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Claims (6)

1. The utility model provides a welding mechanism of accurate location, includes base (1), its characterized in that: the four corners department at base (1) top is provided with stand (9), four sets of the top of stand (9) is provided with roof (3) jointly, the middle part at roof (3) top is provided with electric putter (6), the output of electric putter (6) is provided with mounting bracket (8), the top of mounting bracket (8) one side is provided with motor (2), the output of motor (2) is provided with lead screw (4), the outside threaded connection of lead screw (4) has female screw pipe (5), the bottom of female screw pipe (5) is provided with laser welding head (7), guide slot (18) have been seted up at the both ends of stand (9) bottom both sides, four sets of the inboard slip grafting of guide slot (18) has movable rod (16), four sets of the bottom of movable rod (16) is provided with press clamp plate (15), four sets of the top of movable rod (16) is provided with spring (17), the middle part of the inside one end of base (1) is provided with the centre gripping subassembly.

2. A precisely positioned welding mechanism as defined in claim 1, wherein: the clamping assembly comprises a threaded rod (10), an inner thread block (11), a clamping plate (12), a sliding sleeve (13), a guide rod (14) and a hinging rod (19), wherein the middle part of one end inside the base (1) is provided with the guide rod (14), two groups of sliding sleeves (13) are sleeved outside the guide rod (14), the top of each sliding sleeve (13) extends to the outer side of the base (1) and is provided with the clamping plate (12), the middle part of one side of the base (1) is sleeved with the threaded rod (10), the outer side of the threaded rod (10) is in threaded connection with the inner thread block (11), the two ends of the inner thread block (11) are hinged with the hinging rod (19), and one sides of the hinging rods (19) are hinged with the two groups of sliding sleeves (13) respectively.

3. A precisely positioned welding mechanism as defined in claim 2, wherein: the middle part of one side of the inner bottom of the base (1) is provided with a sliding groove, and the bottom of the internal thread block (11) is provided with a sliding block matched with the sliding groove.

4. A precisely positioned welding mechanism as defined in claim 2, wherein: one side of the threaded rod (10) is provided with a rotary disc.

5. A precisely positioned welding mechanism as defined in claim 1, wherein: limiting grooves matched with the clamping plates (12) are formed in two ends of the top of the base (1).

6. A precisely positioned welding mechanism as defined in claim 1, wherein: guide rods are sleeved in the middle of two sides of the top plate (3), and the bottoms of the two groups of guide rods are connected with the mounting frame (8).