CN221185089U - Laser welding device - Google Patents

Abstract

The utility model relates to a laser welding device, which comprises a bottom plate, a compression assembly, a clamp, a lifting mechanism and laser welding equipment, wherein the clamp comprises a substrate, a first clamping block, a second clamping block, a support and a first screw rod, the first clamping block is arranged at a first end of the substrate, the second clamping block is opposite to the first clamping block, a sliding groove extending from the first clamping block to a second end of the substrate is formed in the substrate, the second clamping block is in sliding fit with the sliding groove, the support is arranged at the second end, one end of the first screw rod penetrates through the support and is rotatably connected with the first clamping block, and the first screw rod is in threaded connection with the support; the utility model can not only clamp the first pipe fitting, but also effectively prevent the first pipe fitting from rotating in the process that the compression assembly compresses the second pipe fitting, thereby ensuring the welding precision; and the displacement distance of the second clamping block can be controlled according to the size of the pipe fitting, so that the universality of the clamp can be enhanced.

Description

Laser welding device

Technical Field

The utility model relates to the technical field of three-way pipe fitting welding, in particular to a laser welding device.

Background

The three-way pipe fitting is composed of two mutually perpendicular pipe fittings, wherein the joint of the two pipe fittings is usually connected and fixed by laser welding.

In the related prior art, the compression structure, the electric turntable, the laser welding equipment, the lifting structure and the limiting structure of the current laser welding device are formed; the limiting structure comprises a rotating plate and two placing blocks which are respectively positioned at two ends of the rotating plate, wherein the two placing blocks are respectively provided with a groove which is horizontally arranged to form a placing groove, and the placing groove is an arc groove. Two ends of the pipe fitting are respectively placed on the two placing blocks so as to limit the pipe fitting.

Among the above-mentioned prior art, the in-process of compress tightly the structure to the second pipe fitting application of force, because first pipe fitting is arranged in the standing groove and does not press from both sides tightly, probably to leading to first pipe fitting slightly rotatory, just also cause the intercommunication mouth of first pipe fitting and second pipe fitting to have a bit dislocation to the yields of tee bend pipe fitting have been reduced. In addition, because the size of the placing groove is certain, and the size of the pipe fitting is larger or smaller, the limiting structure can not realize the limiting effect.

Disclosure of utility model

Based on the above description, the utility model provides a laser welding device, which aims to solve the problems that the limiting effect of the limiting structure of the existing laser welding device is poor and the size of a pipe fitting cannot be realized.

The technical scheme for solving the technical problems is as follows:

A laser welding apparatus comprising:

A bottom plate;

the compression assembly is arranged on the bottom plate;

The clamp comprises a substrate, a first clamping block, a second clamping block, a support and a first screw rod, wherein the first clamping block is arranged at the first end of the substrate, the second clamping block is opposite to the first clamping block, a sliding groove extending from the first clamping block to the second end of the substrate is formed in the substrate, the second clamping block is in sliding fit with the sliding groove, the support is arranged at the second end, one end of the first screw rod penetrates through the support and is rotatably connected with the first clamping block, and the first screw rod is in threaded connection with the support;

The lifting mechanism is arranged opposite to the compression assembly;

and the laser welding equipment is arranged on the lifting mechanism.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the compressing assembly comprises a support, a compressing mechanism and an electric rotating disc, wherein the compressing mechanism and the electric rotating disc are sequentially arranged on the support along the vertical direction.

Further, the support comprises at least two support plates and support rods, wherein the support plates and the support rods are arranged at least two, the at least two support plates are arranged at intervals in the vertical direction, the at least two support rods are arranged at intervals in the length direction of the support plates, the at least two support rods are fixed with the at least two support plates, the pressing mechanism is mounted on one support plate, and the electric turntable is mounted on the other support plate.

Further, the compressing mechanism comprises a linear driver, a pressing plate and a pressing head, wherein the linear driver is arranged on one side of one supporting plate, which is far away from the electric turntable, the pressing plate and the pressing head are sequentially arranged on one side of one supporting plate, which is close to the electric turntable, and the output end of the linear driver penetrates through one supporting plate and is fixed with the pressing plate.

Further, the pressing mechanism comprises at least one pair of first guide rods, the at least one pair of first guide rods are symmetrically arranged along the linear driver, and one end of at least one first guide rod penetrates through one supporting plate and is fixed with the pressing plate.

Further, the clamp comprises a connecting rod, and the connecting rod is arranged at one end of the first screw rod, which is far away from the second clamping block.

Further, elevating system includes casing, lifting unit and support arm, lifting unit includes first rotary actuator, second lead screw and removes the framework, first rotary actuator install in on the casing, the second lead screw set up in the casing, first rotary actuator's output pass the casing and with the second lead screw is fixed, remove the framework relative the casing removes, remove the framework with second lead screw threaded connection, the support arm set up in remove the framework and be close to one side of compressing tightly the assembly, laser welding equipment set up in the support arm is kept away from remove the one end of framework.

Further, the lifting assembly comprises at least one pair of second guide rods, the at least one pair of second guide rods are symmetrically arranged along the radial direction of the second screw rod, and the movable frame body moves relative to the at least one pair of second guide rods.

Further, including the roll adjustment mechanism, the roll adjustment mechanism set up in the bottom plate with compress tightly between the assembly, the roll adjustment mechanism includes base, sliding seat, second rotary actuator, third lead screw and nut seat, the sliding seat with base sliding fit, the second rotary actuator install in the base, the one end of third lead screw with the output of second rotary actuator is fixed, the nut seat with third lead screw threaded connection, just the nut seat with sliding seat detachably connects.

Further, the distance adjusting mechanism comprises at least one bearing seat, and the third screw rod is connected with the base through at least one bearing seat.

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

(1) According to the application, the first clamping block is matched with the second clamping block which can move towards or away from the first clamping block, so that the first pipe fitting can be clamped, the first pipe fitting can be effectively prevented from rotating in the process that the second pipe fitting is compressed by the compression assembly, and the welding precision can be further ensured; and the displacement distance of the second clamping block can be controlled according to the size of the pipe fitting, so that the universality of the clamp can be enhanced.

(2) The second rotary driver drives the third screw rod to rotate, and the nut seat drives the sliding seat to slide along the base so as to drive the compression assembly and the clamp to linearly move towards or away from the laser welding equipment. And then can change and compress tightly assembly and anchor clamps and laser welding equipment interval to can adjust the welding distance according to the size or the welding requirement of pipe fitting.

Drawings

Fig. 1 is a general assembly view of a laser welding apparatus according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the internal structure of a clamp according to an embodiment of the present utility model;

FIG. 3 is a sectional elevation view of a lifting mechanism in accordance with an embodiment of the present utility model;

Fig. 4 is a sectional elevation of the distance adjusting mechanism in an embodiment of the utility model.

In the drawings, the list of components represented by the various numbers is as follows:

10. A bottom plate; 20. a compression assembly; 21. a bracket; 211. a supporting plate; 212. a brace rod; 22. a compressing mechanism; 221. a linear driver; 222. a pressing plate; 223. a pressure head; 224. a first guide bar; 23. an electric turntable; 30. a clamp; 31. a substrate; 311. a chute; 32. a first clamping block; 33. a second clamping block; 34. a support; 35. a first screw rod; 36. a connecting rod; 40. a lifting mechanism; 41. a housing; 42. a lifting assembly; 421. a first rotary driver; 422. a second screw rod; 423. moving the frame; 424. a second guide bar; 43. a support arm; 50. a laser welding apparatus; 60. a distance adjusting mechanism; 61. a base; 62. a sliding seat; 63. a second rotary driver; 64. a third screw rod; 65. a nut seat; 66. and a bearing seat.

Detailed Description

In order that the application may be readily understood, a more complete description of the application will be rendered by reference to the appended drawings. Embodiments of the application are illustrated in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

It will be understood that spatially relative terms, such as "under", "below", "beneath", "under", "above", "over" and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use and operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements or features described as "under" or "beneath" other elements would then be oriented "on" the other elements or features. Thus, the exemplary terms "below" and "under" may include both an upper and a lower orientation. Furthermore, the device may also include an additional orientation (e.g., rotated 90 degrees or other orientations) and the spatial descriptors used herein interpreted accordingly.

As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," and/or the like, specify the presence of stated features, integers, steps, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof.

Referring to the accompanying drawings 1-4, the utility model provides a technical scheme that: the laser welding device comprises a bottom plate 10, a compression assembly 20, a clamp 30, a lifting mechanism 40 and laser welding equipment 50, wherein the compression assembly 20 is arranged on the bottom plate 10; the clamp 30 is arranged on the compression assembly 20, the clamp 30 comprises a base plate 31, a first clamping block 32, a second clamping block 33, a support 34 and a first screw rod 35, the first clamping block 32 is arranged at a first end of the base plate 31, the second clamping block 33 is opposite to the first clamping block 32, a sliding groove 311 extending from the first clamping block 32 to a second end of the base plate 31 is formed in the base plate 31, the second clamping block 33 is in sliding fit with the sliding groove 311, the support 34 is arranged at a second end, one end of the first screw rod 35 penetrates through the support 34 and is rotatably connected with the first clamping block 32, and the first screw rod 35 is in threaded connection with the support 34; the lifting mechanism 40 is arranged opposite to the compression assembly 20; the laser welding apparatus 50 is mounted on the elevating mechanism 40.

Illustratively, in the present application, the first end of the substrate 31 refers to the end of the substrate 31 that is proximate to the hold-down assembly 20, and the substantially second end refers to the end of the substrate 31 that is distal to the hold-down assembly 20.

According to this embodiment, a first pipe is placed between the first clamping block 32 and the second clamping block 33, and the first screw 35 is turned to move the second clamping block 33 inside the slide groove 311 toward the first pipe to clamp the first pipe. The second tube is then positioned perpendicular to the first tube such that the compression assembly 20 acts to compress the second tube. The two pipes can be welded by the cooperation of the pressing assembly 20, the lifting mechanism 40 and the laser welding equipment 50. Compared with the prior art, the clamping device disclosed by the application has the advantages that the first clamping block 32 is matched with the second clamping block 33 which can move towards or away from the first clamping block 32, so that the first pipe fitting can be clamped, the first pipe fitting can be effectively prevented from rotating in the process of pressing the second pipe fitting by the pressing assembly 20, and the welding precision can be further ensured; it is possible to control the displacement distance of the second clamp block 33 according to the size of the pipe fitting, so that the versatility of the clamp 30 can be enhanced.

Referring to fig. 1, in some embodiments, the pressing assembly 20 includes a bracket 21, a pressing mechanism 22, and an electric turntable 23, and the pressing mechanism 22 and the electric turntable 23 are sequentially disposed on the bracket 21 in a vertical direction.

According to this embodiment, the second tube member may be forced by the action of the pressing mechanism 22 to press the second tube member against the first tube member. During the welding process, the electric turntable 23 continuously rotates and can be matched with the lifting mechanism 40, and a corrugated weld joint is formed between the first pipe fitting and the second pipe fitting.

Referring to fig. 1, in some embodiments, the support 21 includes a support plate 211 and a support rod 212, wherein the support plate 211 and the support rod 212 are configured to be at least two, the at least two support plates 211 are arranged at intervals along a vertical direction, the at least two support rods 212 are arranged at intervals along a length direction of the support plate 211, the at least two support rods 212 are fixed with the at least two support plates 211, the pressing mechanism 22 is mounted on one support plate 211, and the electric turntable 23 is mounted on the other support plate 211.

Referring to fig. 1, in some embodiments, the pressing mechanism 22 includes a linear driver 221, a pressing plate 222 and a pressing head 223, the linear driver 221 is mounted on a side of one support plate 211 far away from the electric turntable 23, the pressing plate 222 and the pressing head 223 are sequentially disposed on a side of one support plate 211 near the electric turntable 23, and an output end of the linear driver 221 is fixed with the pressing plate 222 through one support plate 211.

Illustratively, the ram 223 is rotatably coupled to the platen 222.

According to this embodiment, the pressing plate 222 and the pressing head 223 are driven to linearly move in the vertical direction by the linear driver 221 to press or disengage the second pipe.

Referring to fig. 1, in some embodiments, the pressing mechanism 22 includes at least one pair of first guide rods 224, the at least one pair of first guide rods 224 are symmetrically disposed along the linear actuator 221, and one end of the at least one first guide rod 224 is fixed to the pressing plate 222 through one support plate 211 thereof.

Illustratively, the first guide 224 may be a straight rod or a telescoping rod, or the like.

According to this embodiment, the stability of the linear movement of the pressing plate 222 and the pressing head 223 can be maintained by the first guide bar 224 during the linear movement of the pressing plate 222 and the pressing head 223 in the vertical direction.

Referring to fig. 1-2, in some embodiments, the clamp 30 includes a connecting rod 36, the connecting rod 36 being disposed at an end of the first lead screw 35 remote from the second clamp block 33.

According to this embodiment, the arrangement is such that the operator applies force to rotate the first screw 35 to achieve the effect of saving labor.

Referring to fig. 1 and 3, in some embodiments, the lifting mechanism 40 includes a housing 41, a lifting assembly 42 and a support arm 43, the lifting assembly 42 includes a first rotary driver 421, a second screw 422 and a moving frame 423, the first rotary driver 421 is mounted on the housing 41, the second screw 422 is disposed in the housing 41, an output end of the first rotary driver 421 passes through the housing 41 and is fixed to the second screw 422, the moving frame 423 moves relative to the housing 41, the moving frame 423 is in threaded connection with the second screw 422, the support arm 43 is disposed on a side of the moving frame 423 close to the pressing assembly 20, and the laser welding apparatus 50 is disposed on an end of the support arm 43 away from the moving frame 423.

According to this embodiment, the first rotary driver 421 drives the second screw 422 to rotate, so that the moving frame 423 and the arm 43 can be driven to linearly move in the vertical direction, and thus the cooperation with the electric turntable 23 can be realized.

Referring to fig. 1 and 3, in some embodiments, the lifting assembly 42 includes at least one pair of second guide rods 424, the at least one pair of second guide rods 424 being disposed radially symmetrically along the second screw rod 422, and the moving frame 423 moves relative to the at least one pair of second guide rods 424.

Illustratively, a linear bearing is disposed between the second guide 424 and the moving frame 423.

According to this embodiment, the friction between the moving frame 423 and the second guide 424 can be reduced during the movement of the moving frame 423, thereby reducing the loss of the moving frame 423.

Referring to fig. 1 and 4, in some embodiments, the adjustable mechanism 60 is disposed between the base plate 10 and the compression assembly 20, the adjustable mechanism 60 includes a base 61, a sliding seat 62, a second rotary driver 63, a third screw 64, and a nut seat 65, the sliding seat 62 is slidably engaged with the base 61, the second rotary driver 63 is installed in the base 61, one end of the third screw 64 is fixed to an output end of the second rotary driver 63, the nut seat 65 is in threaded connection with the third screw 64, and the nut seat 65 is detachably connected with the sliding seat 62.

According to this embodiment, the second rotary driver 63 drives the third screw 64 to rotate, and the sliding seat 62 is driven by the nut seat 65 to slide along the base 61, so as to drive the pressing assembly 20 and the clamp 30 to linearly move toward or away from the laser welding apparatus 50. The spacing of the compression assembly 20 and the clamp 30 from the laser welding apparatus 50 can then be varied to adjust the welding distance according to the size of the pipe or welding requirements.

Referring to fig. 1 and 4, in some embodiments, the adjustable distance mechanism 60 includes at least one bearing mount 66, and the third screw 64 is coupled to the base 61 via the at least one bearing mount 66.

According to this embodiment, the third screw 64 can be supported by this arrangement.

Specifically, the working principle of the laser welding device is as follows: before welding, the second rotary driver 63 drives the third screw rod 64 to rotate, and the nut seat 65 drives the sliding seat 62 to slide along the base seat 61, so as to drive the compression assembly 20 and the clamp 30 to linearly move towards or away from the laser welding device 50, and adjust the welding distance according to the size of the pipe fitting or the welding requirement. The first pipe is placed between the first clamping block 32 and the second clamping block 33, and the first screw 35 is rotated to move the second clamping block 33 inside the sliding groove 311 to clamp the first pipe. And then the second pipe fitting is arranged vertically to the first pipe fitting. The linear drive 221 drives the platen 222 and ram 223 to move linearly toward the motorized turntable 23 until the ram 223 compresses the second tubular against the first tubular. During welding, the laser welding device 50 is started, and meanwhile, the first rotary driver 421 drives the second screw 422 to rotate, so that the movable frame 423 and the support arm 43 can be driven to linearly move along the vertical direction, and the laser welding device 50 is driven to linearly move along the vertical direction; and rotates the two pipe fittings of the electric rotating disc 23 to realize the welding operation of the laser welding apparatus 50.

As described above, the linear actuator 221 may be an air cylinder, a hydraulic cylinder, an electric push rod, or the like. The first rotary driver 421 and the second rotary driver 63 may be motors or the like; for example, a gear motor, a stepping motor, a servo motor, or the like.

It should be noted that, model specifications of the air cylinder, the hydraulic cylinder, the electric push rod and the motor need to be determined according to the actual specifications of the device, and the specific model selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply of the cylinders, hydraulic cylinders, electric pushrods and motors and the principle thereof will be clear to a person skilled in the art and will not be described in detail here.

The foregoing is only illustrative of the present utility model and is not to be construed as limiting thereof, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present utility model.

Claims (10)

1. A laser welding apparatus, comprising:

A bottom plate (10);

a compression assembly (20), the compression assembly (20) being arranged on the base plate (10);

The fixture (30), the fixture (30) is arranged on the compression assembly (20), the fixture (30) comprises a base plate (31), a first clamping block (32), a second clamping block (33), a support (34) and a first screw rod (35), the first clamping block (32) is arranged at a first end of the base plate (31), the second clamping block (33) is arranged opposite to the first clamping block (32), a sliding groove (311) extending from the first clamping block (32) towards a second end of the base plate (31) is formed in the base plate (31), the second clamping block (33) is in sliding fit with the sliding groove (311), the support (34) is arranged at the second end, one end of the first screw rod (35) penetrates through the support (34) and is rotatably connected with the first clamping block (32), and the first screw rod (35) is in threaded connection with the support (34);

the lifting mechanism (40) is arranged opposite to the pressing assembly (20);

-a laser welding device (50), the laser welding device (50) being mounted on the lifting mechanism (40).

2. A laser welding device according to claim 1, characterized in that the hold-down assembly (20) comprises a support (21), a hold-down mechanism (22) and an electric turntable (23), the hold-down mechanism (22) and the electric turntable (23) being arranged in sequence in a vertical direction on the support (21).

3. The laser welding device according to claim 2, wherein the bracket (21) comprises a support plate (211) and support rods (212), the support plate (211) and the support rods (212) are configured to be at least two, the at least two support plates (211) are arranged at intervals in the vertical direction, the at least two support rods (212) are arranged at intervals in the length direction of the support plate (211), the at least two support rods (212) are fixed with the at least two support plates (211), the pressing mechanism (22) is mounted on one support plate (211), and the electric turntable (23) is mounted on the other support plate (211).

4. A laser welding apparatus according to claim 3, wherein the pressing mechanism (22) comprises a linear driver (221), a pressing plate (222) and a pressing head (223), the linear driver (221) is mounted on one side of the supporting plate (211) far away from the electric turntable (23), the pressing plate (222) and the pressing head (223) are sequentially disposed on one side of the supporting plate (211) near the electric turntable (23), and an output end of the linear driver (221) passes through one of the supporting plates (211) to be fixed with the pressing plate (222).

5. A laser welding apparatus as claimed in claim 4, wherein said pressing mechanism (22) comprises at least one pair of first guide rods (224), at least one pair of said first guide rods (224) being symmetrically disposed along said linear actuator (221), and one end of at least one of said first guide rods (224) being fixed to said pressing plate (222) through one of said support plates (211) thereof.

6. A laser welding device according to claim 1, characterized in that the clamp (30) comprises a connecting rod (36), which connecting rod (36) is arranged at the end of the first screw (35) remote from the second clamping block (33).

7. The laser welding device according to claim 1, wherein the lifting mechanism (40) comprises a housing (41), a lifting assembly (42) and a support arm (43), the lifting assembly (42) comprises a first rotary driver (421), a second screw (422) and a movable frame body (423), the first rotary driver (421) is mounted on the housing (41), the second screw (422) is arranged in the housing (41), an output end of the first rotary driver (421) penetrates through the housing (41) and is fixed with the second screw (422), the movable frame body (423) moves relative to the housing (41), the movable frame body (423) is in threaded connection with the second screw (422), the support arm (43) is arranged on one side, close to the pressing assembly (20), of the movable frame body (423), and the laser welding device (50) is arranged on one end, far from the movable frame body (423), of the support arm (43).

8. The laser welding apparatus as claimed in claim 7, wherein the elevation assembly (42) includes at least one pair of second guide bars (424), at least one pair of the second guide bars (424) being disposed radially symmetrically along the second screw (422), and the moving frame (423) moves relative to at least one pair of the second guide bars (424).

9. The laser welding device according to any one of claims 1-8, comprising a distance adjusting mechanism (60), wherein the distance adjusting mechanism (60) is arranged between the bottom plate (10) and the pressing assembly (20), the distance adjusting mechanism (60) comprises a base (61), a sliding seat (62), a second rotary driver (63), a third screw rod (64) and a nut seat (65), the sliding seat (62) is in sliding fit with the base (61), the second rotary driver (63) is installed in the base (61), one end of the third screw rod (64) is fixed with the output end of the second rotary driver (63), the nut seat (65) is in threaded connection with the third screw rod (64), and the nut seat (65) is detachably connected with the sliding seat (62).

10. A laser welding device according to claim 9, characterized in that the distance-adjusting means (60) have at least one bearing block (66), and that the third screw (64) is connected to the base (61) via at least one bearing block (66).