CN217493121U - Handheld laser welding clamping device - Google Patents

Abstract

The utility model relates to a welding auxiliary facilities technical field, in particular to handheld laser welding clamping device solves the welding clamping device who lacks an adjustable, controllable, default position among the prior art to reduce the ageing cost when adopting laser welding processing tubulose part, and easily quick centre gripping and release technical problem. The clamping mechanisms are arranged on the base in a lifting manner; each clamping mechanism can form a clamping space, and the centers of the clamping spaces can be positioned on the same straight line; the straight line can be parallel to the base; this application can realize the adjustment of a plurality of clamping jaws of direction of height to the centre gripping space is controllable, and lockable, unblock release are also convenient when predetermineeing the location, especially are fit for differentiation welded complicated work, can effectual cooperation location, reduce the ageing cost.

Description

Handheld laser welding clamping device

Technical Field

The utility model relates to a welding auxiliary facilities technical field, in particular to handheld laser welding clamping device.

Background

The laser welding works by utilizing the characteristics of excellent directivity, high power density and the like of laser beams, the laser beams are focused in a small area through an optical system, and a heat source area with highly concentrated energy is formed at the welded position in a very short time, so that the parts to be welded are melted and firm welding spots and welding seams are formed. The laser welding has the advantages of low energy density and high heat input, narrow welding seam and heat affected zone, high welding quality, high welding precision, high efficiency and the like.

The main work target of handheld laser welding is the part of differentiation, and when configuration differentiation is great part in specific construction technology field such as automobile parts, large-scale equipment subassembly on the cylindrical pole, need accurate location, keeps levelness and controllable preset location.

In the prior art, manual positioning is mostly adopted in handheld laser welding, and especially when the most common tubular parts are welded in a vertical laser welding mode, an adjustable, controllable and preset positioning welding clamping device is lacked.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve lacking the welding clamping device of an adjustable, controllable, default location among the prior art to reduce the ageing cost when adopting laser welding processing tubulose part, and easily quick centre gripping and release technical problem, for this reason, provide a handheld laser welding clamping device.

In order to solve the technical problem, the technical scheme of the utility model is specifically as follows:

a handheld laser welding clamping device comprises a base;

the clamping mechanisms are arranged on the foundation base in a lifting manner;

each clamping mechanism can form a clamping space, and the centers of the clamping spaces can be positioned on the same straight line;

the straight line can be parallel to the base;

the clamping mechanism comprises a clamping mechanism, a positioning mark post and a positioning mark post, wherein the clamping mechanism is arranged at the position adjacent to the clamping mechanism, and the positioning mark post is provided with a scale part.

Specifically, the clamping mechanism includes:

a fixed part;

the fixing part is vertically connected with the vertical connecting plate, and a penetrating hole is formed in the center of the vertical connecting plate and extends through the fixing part;

and the two groups of clamp-shaped parts are vertically connected to one side of the fixing part, and a clamp-shaped space is formed between the two groups of clamp-shaped parts.

Specifically, a moving shaft can be arranged in the penetrating hole in a penetrating way;

a limiting block connected with one end of the movable shaft positioned in the clamp-shaped space,

the limiting block can be attached to the vertical connecting plate when the moving shaft moves away from the clamp-shaped space so as to limit the maximum moving distance of the moving shaft.

Specifically, the method further comprises the following steps:

the two clamping claws can form a clamping plane respectively;

the two groups of clamping claws can approach each other and clamp a workpiece when the moving shaft moves;

when the two groups of clamping claws are close to each other, the two clamping planes are always kept parallel.

Specifically, the grip grab comprises:

and the claw body is provided with an obtuse angle concave part on one side facing the clamping plane.

Specifically, the method further comprises the following steps:

one end of the first connecting rod is hinged with one end of the claw body, and the other end of the first connecting rod is fixedly connected with a first end of a second connecting rod through a first rotating shaft;

the first link and the second link form an obtuse angle of 135 degrees;

the second end of the second connecting rod is hinged with the first end of a third connecting rod;

the second end of the third connecting rod is hinged to one end of the limiting block;

one end of the auxiliary connecting rod is hinged with the claw body, and the second end of the auxiliary connecting rod is connected with a second rotating shaft;

the first rotating shaft and the second rotating shaft are both arranged on the clamp-shaped part, and the distance from the second rotating shaft to the clamp-shaped space is smaller than the distance from the first rotating shaft to the clamp-shaped space;

the auxiliary link is arranged in parallel with the first link.

Specifically, a handle is arranged at one end of the moving shaft, which is far away from the clamp-shaped space;

the handle is provided with a first positioning hole;

the vertical connecting plate is provided with a locking hole;

and a locking screw which can be screwed into the first positioning hole and the locking hole.

Specifically, the method further comprises the following steps:

the movable fixing part is fixedly connected to the vertical connecting plate and is arranged away from the center of the vertical connecting plate;

the movable fixing part is provided with an axial hole and a longitudinal hole which is perpendicular to and communicated with the axial hole;

a height adjustment rod passing through the axial hole;

a locking bolt which can be screwed on the longitudinal hole and contacts the radial direction of the height adjusting rod;

specifically, a plurality of slope protrusions are uniformly distributed in the height direction and the circumferential direction of the height adjusting rod;

the slope surface bulge forms an inclined surface.

Specifically, the second end of the positioning marker post is screwed on the base.

The utility model discloses following beneficial effect has:

this application can realize the adjustment of a plurality of clamping jaws of direction of height to the centre gripping space is controllable, and lockable, unblock release are also convenient when predetermineeing the location, especially are fit for differentiation welded complicated work, can effectual cooperation location, reduce the ageing cost.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the clamping mechanism of the present invention;

FIG. 3 is a schematic view of the overall arrangement of the present invention;

fig. 4 is a schematic view of the arrangement of the movable fixing part of the present invention;

the reference numerals in the figures denote:

the device comprises a base 10, a clamping mechanism 20, a clamping space 201, a straight line 1 and a positioning mark post 30;

a fixing portion 21, a vertical connecting plate 210, a clip portion 220, a penetration hole 211, and a moving shaft 212;

the limiting block 213, the clamping plane 2, the clamping claw 230, the claw body 231 and the obtuse angle depression 232;

a first link 241, a second link 242, a third link 243, an auxiliary link 244, a first rotating shaft 251, and a second rotating shaft 252;

a handle 214, a first positioning hole 215, a locking hole 216 and a locking screw 217;

a movable fixing part 261, an axial hole 262, a longitudinal hole 263, a height adjusting rod 264 and a slope protrusion 266.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention; for convenience of description, in the present application, "left side" is "first end", "right side" is "second end", "upper side" is "first end", and "lower side" is "second end" in the current view, so that the description is for the purpose of clearly expressing the technical solution, and should not be construed as an improper limitation to the technical solution of the present application.

The utility model provides a handheld laser welding clamping device, which aims to solve the technical problem that the prior art lacks an adjustable, controllable and preset positioning welding clamping device; the design is intended to reduce the aging cost when the tubular part is machined by laser welding and is easy to clamp and release quickly.

Therefore, in the present technical solution, please refer to fig. 1, 2, and 3, the handheld laser welding clamping device includes a base 10; the clamping mechanisms 20 are arranged on the base 10 in a lifting manner; each clamping mechanism 20 can form a clamping space 201, and the centers of a plurality of clamping spaces 201 can be positioned on the same straight line 1; the line 1 can be parallel to the base 10; in this way, when a tubular workpiece needs to be welded, differentiated welding of the reducing pipes can be firstly completed, because each clamping mechanism 20 is the same and can adjust the height, and the clamping space 201 forms consistent space, the welding between the reducing pipes can be positioned, in addition, a clamping positioning mark rod 30 can be arranged at the adjacent position of each clamping mechanism 20 of the positioning mark rod 30, and an indexing part is arranged on the positioning mark rod 30; when other differentiated parts are welded on the tubular workpiece, the adjustment of the clamping mechanism is quick, and flexible clamping and releasing can be realized.

In a particular embodiment, in particular, the gripping mechanism 20 comprises: a fixed portion 21; the fixing portion 21 is vertically connected with a vertical connecting plate 210, a through hole 211 is formed in the center of the vertical connecting plate 210, and the through hole 211 extends through the fixing portion 21; and two sets of clip-shaped parts 220 vertically connected to one side of the fixing part 21, and a clip-shaped space is formed between the two sets of clip-shaped parts 220.

As shown in fig. 2, a moving shaft 212 can be inserted into the insertion hole 211; and a stopper 213 connected to one end of the moving shaft 212 located in the clip space, wherein the stopper 213 can be attached to the vertical connecting plate 210 so as to limit the maximum moving distance of the moving shaft 212 when the moving shaft 212 moves away from the clip space.

In a more preferred embodiment, the design of the clamping jaws in a general clamping arrangement will reduce the components in one clamping space to finally form a clamping relationship, and in order to match the advantages of high precision and controllability of laser welding, the technical solution designs the clamping space so that the two clamping jaws always have clamping surfaces parallel to each other in the variation, specifically, the clamping jaws 230 are symmetrically arranged with respect to the moving axis 212, and the two clamping jaws can respectively form the clamping plane 2; the two sets of gripper fingers 230 are capable of approaching each other and gripping a workpiece as the movable shaft 212 moves; when the two sets of gripping fingers 230 are brought closer together, the two gripping planes 2 are always kept parallel.

In a more specific embodiment, referring to fig. 1, 2 and 3, the gripper 230 includes: the claw 231 has an obtuse-angle recess 232 formed on a side facing the holding plane 2.

As shown in the attached figures 1 and 2, the following parts are also included:

a first link 241 having one end hinged to one end of the claw 231 and the other end passing through the first link

The rotating shaft 251 is fixedly connected with a first end of a second connecting rod 242;

the first link 241 and the second link 242 form an obtuse angle of 135 degrees;

the second end of the second link 242 is hinged to the first end of a third link 243;

a second end of the third link 243 is hinged to one end of the stopper 213;

an auxiliary link 244 having one end hinged to the jaw 231 and of which the auxiliary link 244

The second end is connected with a second rotating shaft 252;

the first rotating shaft 251 and the second rotating shaft 252 are both arranged on the clip-shaped part 220, and the distance from the second rotating shaft 252 to the clip-shaped space is smaller than the distance from the first rotating shaft 251 to the clip-shaped space;

the auxiliary link 244 is arranged in parallel with the first link 241.

So set up, can make the claw body 231 can keep the clamping space of relative parallel, more be favorable to the needs of laser welding work piece.

To achieve quick locking, please refer to fig. 2, a handle 214 is disposed at an end of the moving shaft 212 away from the clip-shaped space; the handle 214 is provided with a first positioning hole 215; the vertical connecting plate 210 is provided with a locking hole 216; and a locking screw 217 which can be screwed into the first positioning hole 215 and the locking hole 216.

In order to achieve the height adjustment function to increase the adaptability of the clamping device to the workpiece, please refer to fig. 1, 2, 3, and 4, which further includes: a movable fixing part 261 fixedly coupled to the vertical connection plate 210 and disposed away from the center of the vertical connection plate 210; the movable fixing part 261 is provided with an axial hole 262 and a longitudinal hole 263 which is perpendicular to and communicated with the axial hole 262; a height adjustment rod 264 passing through the axial bore 262; a locking bolt 265 which can be screwed on the longitudinal hole 263 and contacts a radial direction of the height adjusting lever 264;

in addition, in order to keep the stability after the height adjustment, please refer to fig. 2, a plurality of slope protrusions 266 are uniformly distributed in the height direction and the circumferential direction of the height adjustment rod 264; the ramp projection 266 forms an inclined surface. The second end of the positioning post 30 is screwed on the base 10.

To sum up, this application can realize the adjustment of a plurality of clamping jaws 231 of direction of height to the centre gripping space is controllable, and lockable, unblock release are also convenient when predetermineeing the location, especially are fit for differentiation welded complex work, can effectual cooperation location, reduce the ageing cost.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (10)

1. A hand-held laser welding clamping device, characterized by comprising a base (10);

the clamping mechanisms (20) are arranged on the base (10) in a lifting manner;

each clamping mechanism (20) can form a clamping space (201), and the centers of a plurality of clamping spaces (201) can be positioned on the same straight line (1);

the straight line (1) can be parallel to the base (10);

the positioning mark post (30) is arranged at the position where the clamping mechanism (20) is adjacent, and one positioning mark post (30) can be arranged at the position where the clamping mechanism (20) is adjacent, and a scale part is arranged on the positioning mark post (30).

2. The handheld laser welding fixture as recited in claim 1, characterized in that the fixture (20) comprises:

a fixed part (21);

the fixing part (21) is vertically connected with a vertical connecting plate (210), the center of the vertical connecting plate (210) is provided with a penetrating hole (211), and the penetrating hole (211) extends through the fixing part (21);

and two groups of clamp-shaped parts (220) which are vertically connected to one side of the fixing part (21), and a clamp-shaped space is formed between the two groups of clamp-shaped parts (220).

3. The handheld laser welding fixture as recited in claim 2, characterized in that a moving shaft (212) is capable of being inserted into the insertion hole (211);

and the limiting block (213) is connected to one end, located at the clip-shaped space, of the moving shaft (212), and the limiting block (213) can be attached to the vertical connecting plate (210) when the moving shaft (212) moves away from the clip-shaped space so as to limit the maximum moving distance of the moving shaft (212).

4. The handheld laser welding fixture of claim 3, further comprising:

clamping claws (230) arranged symmetrically about the displacement axis (212), wherein the two clamping claws are each able to form a clamping plane (2);

the two groups of clamping grippers (230) can approach each other and clamp the workpiece when the moving shaft (212) moves; when the two groups of clamping claws (230) are close to each other, the two clamping planes (2) are always kept parallel.

5. The handheld laser welding clamping device of claim 4, wherein the clamping jaw (230) comprises:

and a claw body (231) having an obtuse-angle recess (232) formed on a side facing the clamping plane (2).

6. The handheld laser welding fixture of claim 5, further comprising:

the first connecting rod (241) has one end hinged with one end of the claw body (231) and the other end fixedly connected with the first end of a second connecting rod (242) through a first rotating shaft (251);

the first link (241) and the second link (242) form an obtuse angle of 135 degrees;

the second end of the second link (242) is hinged with the first end of a third link (243);

the second end of the third connecting rod (243) is hinged at one end of the limiting block (213);

an auxiliary link (244) having one end hinged to the claw body (231), and a second end of the auxiliary link (244) connected to a second rotating shaft (252);

the first rotating shaft (251) and the second rotating shaft (252) are both arranged on the clip-shaped part (220), and the distance from the second rotating shaft (252) to the clip-shaped space is smaller than the distance from the first rotating shaft (251) to the clip-shaped space;

the auxiliary link (244) is arranged in parallel with the first link (241).

7. The hand-held laser welding clamping device as recited in claim 4, characterized in that a handle (214) is arranged at one end of the movable shaft (212) far away from the clamp-shaped space;

a first positioning hole (215) is formed in the handle (214);

a locking hole (216) is formed in the vertical connecting plate (210);

and a locking screw (217) that can be screwed into the first positioning hole (215) and the locking hole (216).

8. The handheld laser welding fixture of claim 4, further comprising:

a movable fixing portion (261) fixedly connected to the vertical connection plate (210) and disposed away from the center of the vertical connection plate (210);

the movable fixing part (261) is provided with an axial hole (262) and a longitudinal hole (263) which is perpendicular to and communicated with the axial hole (262);

a height adjustment rod (264) passing through the axial bore (262);

a locking bolt (265) which can be screwed onto the longitudinal bore (263) and which contacts the radial direction of the height adjustment lever (264).

9. The handheld laser welding clamping device as claimed in claim 8, characterized in that a plurality of slope protrusions (266) are uniformly distributed on the height direction and the circumferential direction of the height adjusting rod (264);

the ramp protrusion (266) forms an inclined surface.

10. The hand-held laser welding clamping device as recited in claim 1, characterized in that a second end of a positioning post (30) is screwed on the base (10).

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