Laser welding device with protective structure

Abstract

The utility model relates to the field of laser welding, in particular to a laser welding device with a protective structure, which comprises a welding workbench, a laser welding device and a laser welding device, the double-end threaded shaft is arranged at the positions, corresponding to the two sets of protection plates, of the welding workbench, two sets of connecting rods are arranged on the double-end threaded shaft in a threaded connection mode, and the two sets of connecting rods are connected with the two sets of protection plates correspondingly; the fixing ring is mounted on one side of the connecting rod, and an abutting ring is arranged on the other side of the fixing ring; the protective device has the beneficial effects that through cooperation of the double-end threaded shaft and the two sets of connecting rods, the two sets of protective plates are controlled to be close to or far away from each other, then an operator is protected, meanwhile, when the connecting rods move along the double-end threaded shaft, abutting rings on one sides of fixing rings can be driven to move, and in the moving process of the abutting rings, the abutting rings are prevented from moving. And therefore, the sweeps adhered to the double-end threaded shaft can be cleaned.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of laser welding, concretely to a laser welding device with protection structure. BACKGROUND

[0002] Laser welding, using high-energy laser pulses to heat the material in a small area, the energy of laser radiation spreads to the interior of the material through heat conduction, and a specific molten pool is formed after the material is melted, which is a new type of welding method mainly for the welding of thin-walled materials and precision parts.

[0003] When welding, the hot melting of the steel plate can produce sparks, which can easily cause the sparks produced by welding to scald the workers. In the prior art, the Chinese utility model with the publication number CN220259899U discloses a laser welding machine with a protection structure, which comprises: a laser welding machine body, the laser welding machine body comprises a control box, a base, a laser and a workbench, the base is arranged on the top of the control box, the laser is arranged on the base, the workbench is arranged on the control box double-shaft motor, the double-shaft motor is fixedly installed at the bottom of the workbench; two screw rods, the two screw rods are fixedly installed on the two outputs of the double-shaft motor; two connecting frames, the two connecting frames are respectively threaded on the two screw rods; two protective shells, the two protective shells are respectively fixedly installed on one end of the two connecting frames, the laser welding machine with the protection structure has the advantages of shielding the sparks generated during welding, effectively preventing the workers from being scalded by the sparks, and facilitating safe welding processing.

[0004] In the above-mentioned technology, the double-shaft motor, the two screw rods, the two connecting frames and the two protective shells can form a protection structure, which can shield and protect during welding. However, in the long-term use process, the welding slag or dust will adhere to the surface of the screw rod, making it difficult for the protective shell to move along the screw rod. UTILITY MODEL CONTENT

[0005] The utility model aims to provide a laser welding device with a protection structure to solve the problems in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A laser welding device with a protection structure comprises:

[0008] A welding workbench, two groups of symmetrical protection plates are slidably arranged on the welding workbench;

[0009] A double-threaded shaft is rotatably arranged at the positions of the two groups of protective plates of the welding workbench, and two groups of symmetrically distributed connecting rods are threadedly arranged on the double-threaded shaft, and the two groups of connecting rods are connected with the two groups of protective plates respectively;

[0010] A fixing ring is mounted on one side of the connecting rod, and a bearing ring is arranged on the side of the fixing ring away from the connecting rod.

[0011] Preferably, two groups of symmetrically distributed supporting frames are mounted on the welding workbench at the positions of the two groups of protective plates, the double-threaded shaft is rotatably arranged between the two groups of supporting frames, and the sidewall of one group of the supporting frames is provided with a motor, and the output end of the motor is fixedly connected with one end of the double-threaded shaft.

[0012] Preferably, the two groups of protective plates are close to or away from each other through the cooperation of the connecting rods and the double-threaded shaft.

[0013] Preferably, the sidewalls of each connecting rod are provided with a fixing ring, and the fixing rings are reciprocally moved along the double-threaded shaft through the cooperation of the connecting rods.

[0014] The sidewall of the fixing ring away from the connecting rod is provided with a sink, and the sink is inserted with a bearing ring.

[0015] Preferably, a plurality of groups of first return springs are arranged between the end of the bearing ring and the inner wall of the sink, and the bearing ring is elastically arranged in the sink through the first return springs.

[0016] Preferably, an oil storage cavity is arranged in the fixing ring, a plurality of groups of second through holes are arranged in the inner wall of the oil storage cavity, and the second through holes penetrate the inner wall of the fixing ring.

[0017] Preferably, a through groove is arranged in the fixing ring at the position of the sink, one end of the through groove is communicated with the sink, and the other end of the through groove is arranged at the center position of the plurality of groups of second through holes.

[0018] Preferably, a baffle is inserted in the through groove, a plurality of groups of second return springs are arranged between one end of the baffle and the inner wall of the through groove, and the baffle is elastically arranged in the through groove through the plurality of groups of second return springs.

[0019] Preferably, a plurality of first through holes are arranged in the baffle, the first through holes penetrate the baffle, and each first through hole is matched with each second through hole.

[0020] Preferably, the oil storage cavity is communicated with a one-way valve.

[0021] Compared with the prior art, the utility model has the beneficial effects that:

[0022] The utility model discloses through the cooperation of double -end thread axle and two groups of connecting rod, realize two groups of protection plate mutual close or far -off control, and then carry out the protection to the operator, simultaneously, the connecting rod will drive the fixed ring one side's resistance ring to move when moving along the double -end thread axle, and the resistance ring can clean the scrapings adhered on the double -end thread axle in the moving process,

[0023] When the fixed ring drives the resistance ring to move to the end of double -end thread axle, will extrude the resistance ring of elastic setting, when the resistance ring moves, will extrude the baffle of elastic setting, when the first through -hole and second through -hole of setting on the baffle mutually coincide, the lubricating oil in the oil storage cavity will drop to the surface of double -end thread axle, lubricates double -end thread axle. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the three -dimensional structure schematic diagram of the utility model;

[0025] Figure 2 It is Figure 1 It is the structure enlarged diagram of A in the middle;

[0026] Figure 3 It is Figure 1 It is the structure enlarged diagram of B in the middle;

[0027] Figure 4 It is the fixed ring structure section schematic diagram of the utility model;

[0028] Figure 5 It is Figure 4 It is the structure enlarged diagram of C in the middle.

[0029] In the drawing: welding workbench 1, protection plate 2, double -end thread axle 3, support frame 4, motor 5, connecting rod 7, fixed ring 8, resistance ring 9, sink 10, first return spring 11, through -slot 12, baffle 13, oil storage cavity 14, first through -hole 15, second through -hole 16, second return spring 17, check valve 18. DETAILED DESCRIPTION

[0030] In order to more clearly illustrate the overall concept of the utility model, the following in conjunction with the drawings of the specification is in the form of example is explained in detail.

[0031] Need to explain, in the following description, many specific details are set forth in order to fully understand the utility model, but, the utility model can also be implemented in other ways different from the description herein, therefore, the protection scope of the utility model is not limited by the following disclosed specific embodiments.

[0032] In addition, in the description of the utility model, need understanding, the term "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and so on the orientation or positional relation indicated is based on the orientation or positional relation shown in the drawing, just is for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element referred to must have a particular orientation, construct and operate in a particular orientation, therefore can not be understood as limiting the utility model.

[0033] In the utility model, unless another explicit provision and limitation, the terms "mount", "connect", "connect", "fix" and so on the terms should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated, can be directly connected, also can be indirectly connected through intermediate medium, can be the communication of two elements or the interaction of two elements.But note direct connection, then it is explained that the connection of two main bodies does not pass through the connection relationship of excessive structure and is connected to form an integral whole through the connecting structure.For the ordinary skill in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0034] In the utility model, unless another explicit provision and limitation, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium.In the description of the specification, the description of the reference terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model.In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example.Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0035] Embodiment one:

[0036] Please refer to Figures 1 to 5 The utility model provides a kind of technical scheme: a laser welding device with protective structure, comprising:

[0037] Welding workbench 1, two groups of symmetrical distribution of protective plate 2 are slidably arranged on the welding workbench 1;

[0038] Double-end threaded shaft 3 is rotatably arranged at the position of the corresponding two groups of protective plate 2 of the welding workbench 1, and two groups of symmetrical distribution of connecting rod 7 are screw-connected on the double-end threaded shaft 3, and two groups of connecting rod 7 are connected with two groups of protective plate 2 respectively;

[0039] A retaining ring 8 is installed on one side of the connecting rod 7, and a retaining ring 9 is provided on the side of the retaining ring 8 away from the connecting rod 7;

[0040] By cooperating with the double-threaded shaft 3 and the connecting rod 7, the two sets of protective plates 2 can be controlled to move closer or further apart. When they move away from each other, it is convenient for the operator to fix and clamp the items to be welded. When they move closer together, they protect the operator during welding. When the connecting rod 7 moves along the double-threaded shaft 3, it will drive the retaining ring 9 to move along the double-threaded shaft 3. During the movement, the retaining ring 9 can clean the waste adhering to the surface of the double-threaded shaft 3.

[0041] Example 2:

[0042] like Figures 2-4 As shown, the laser welding device with a protective structure disclosed in Embodiment 2 of this utility model has a structure that is basically the same as that in Embodiment 1, except that:

[0043] Inside the welding workbench 1, corresponding to the positions of the two sets of protective plates 2, there are two sets of symmetrically distributed support frames 4. The double-threaded shaft 3 is rotatably disposed between the two sets of support frames 4, and a motor 5 is installed on the side wall of one set of support frames 4. The output end of the motor 5 is fixedly connected to one end of the double-threaded shaft 3.

[0044] The two sets of protective plates 2 move closer to or further apart from each other through the cooperation of the connecting rod 7 and the double-threaded shaft 3;

[0045] Each of the connecting rods 7 has a fixing ring 8 installed on both sides of its sidewalls. The fixing ring 8 moves back and forth along the double-threaded shaft 3 through the cooperation of the connecting rods 7.

[0046] The fixing ring 8 has a groove 10 on the side wall away from the connecting rod 7, and a retaining ring 9 is inserted into the groove 10.

[0047] Multiple sets of spaced first return springs 11 are installed between the end of the abutment ring 9 and the inner wall of the sink 10, and the abutment ring 9 is elastically disposed inside the sink 10 by the first return springs 11.

[0048] By cooperating with the double-threaded shaft 3 and the two sets of connecting rods 7, the two sets of protective plates 2 can be controlled to move closer or further apart, thereby protecting the operator. At the same time, when the connecting rod 7 moves along the double-threaded shaft 3, it will drive the abutment ring 9 on one side of the fixed ring 8 to move. During the movement, the abutment ring 9 can clean the waste adhering to the double-threaded shaft 3.

[0049] Example 3:

[0050] As Figure 5 shown in the utility model embodiment three disclosed with the protection structure's laser welding device, its structure and embodiment two are basically same, its difference lies in:

[0051] The inside of the fixed ring 8 is provided with an oil storage cavity 14, a plurality of groups of second through holes 16 are arranged on the inner wall of the oil storage cavity 14, and the second through holes 16 penetrate the inner wall of the fixed ring 8;

[0052] The inside of the fixed ring 8 is provided with a through groove 12 corresponding to the position of the sink 10, one end of the through groove 12 is communicated with the sink 10, and the other end of the through groove 12 is arranged at the center position of a plurality of groups of the second through holes 16;

[0053] The inside of the through groove 12 is provided with a baffle 13, a plurality of groups of second return springs 17 are arranged between one end of the baffle 13 and the inner wall of the through groove 12, and the baffle 13 is elastically arranged in the through groove 12 by a plurality of groups of the second return springs 17;

[0054] A plurality of groups of first through holes 15 are arranged on the baffle 13, the first through holes 15 penetrate the baffle 13, and each first through hole 15 is matched with each second through hole 16;

[0055] The oil storage cavity 14 is communicated with a one-way valve 18.

[0056] When the fixed ring 8 drives the abutting ring 9 to move to the end of the double-headed threaded shaft 3, the elastically arranged abutting ring 9 will be extruded, and when the abutting ring 9 moves, the elastically arranged baffle 13 will be extruded, when the first through hole 15 arranged on the baffle 13 and the second through hole 16 coincide with each other, the lubricating oil in the oil storage cavity 14 will drop to the surface of the double-headed threaded shaft 3, and the double-headed threaded shaft 3 is lubricated, and the oil in the oil storage cavity 14 can be injected by the one-way valve 18.

[0057] The specific scheme is as follows: the to-be-welded article is clamped on the upper surface of the welding workbench 1, then the motor 5 is started, the motor 5 drives the double-headed threaded shaft 3 to rotate, and when rotating, the two groups of protection plates 2 can be approached by the cooperation of the connecting rod 7 to surround the to-be-welded article, so that protection is realized, and after welding is completed, the double-headed threaded shaft 3 can be reversely rotated by the motor 5;

[0058] When the connecting rod 7 moves along the double-headed threaded shaft 3, the abutting ring 9 on one side of the fixed ring 8 will be moved, and the abutting ring 9 can clean the waste adhered to the double-headed threaded shaft 3 during the movement;

[0059] When the fixed ring 8 drives the abutting ring 9 to move to the end of the double-end threaded shaft 3, the elastically arranged abutting ring 9 will be extruded, and when the abutting ring 9 moves, the elastically arranged baffle 13 will be extruded, when the first through hole 15 and the second through hole 16 on the baffle 13 are coincided with each other, the lubricating oil in the oil storage cavity 14 will drop to the surface of the double-end threaded shaft 3, and the double-end threaded shaft 3 is lubricated.

[0060] Those skilled in the art will understand that the above discussion of any embodiment is merely exemplary and is not intended to suggest the scope of the present application (including the claims) is limited to these examples; under the concept of the present application, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above, which are not provided in details for the sake of brevity.

[0061] The present application is intended to cover all such alternatives, modifications, and variations as fall within the broad scope of the appended claims. Accordingly, any and all such modifications, variations, and equivalents that fall within the spirit and scope of the present application are intended to be included within the scope of the present application.

Claims

1. A laser welding apparatus having a protective structure, characterized by, Include: Welding workbench (1), the welding workbench (1) is provided with two groups of symmetrical distribution of the guard plate (2) on the sliding arrangement; Double-end threaded shaft (3), rotationally arranged at the position of the corresponding two groups of the guard plate (2) of the welding workbench (1), and two groups of the connecting rod (7) are screwed on the double-end threaded shaft (3) and symmetrically distributed, two groups of the connecting rod (7) are connected with two groups of the guard plate (2) respectively; The fixed ring (8) is installed on one side of the connecting rod (7), and the fixed ring (8) is provided with a resisting ring (9) away from one side of the connecting rod (7).

2. The laser welding apparatus with a protective structure according to claim 1, wherein, The inside of the welding workbench (1) is provided with two groups of symmetrically distributed support frames (4) at the positions corresponding to the two groups of the guard plate (2), the double-end threaded shaft (3) is rotationally arranged between the two groups of the support frame (4), and the sidewall of one of the support frames (4) is provided with a motor (5), and the output end of the motor (5) is fixedly connected with one end of the double-end threaded shaft (3).

3. The laser welding apparatus with a protective structure according to claim 2, wherein, Two groups of the guard plate (2) are close to or away from each other through the cooperation of the connecting rod (7) and the double-end threaded shaft (3).

4. The laser welding apparatus with a protective structure according to claim 3, wherein, The sidewalls of each connecting rod (7) are provided with a fixed ring (8), which reciprocally moves along the double-end threaded shaft (3) through the cooperation of the connecting rod (7). The sidewall of the fixed ring (8) away from the connecting rod (7) is provided with a sink (10), and the sink (10) is provided with a resisting ring (9) inserted therein.

5. The laser welding apparatus with a protective structure according to claim 4, wherein A plurality of groups of first return springs (11) are arranged between the end of the resisting ring (9) and the inner wall of the sink (10), and the resisting ring (9) is elastically arranged in the sink (10) through the first return springs (11).

6. The laser welding apparatus with a protective structure according to claim 5, wherein, The inside of the fixed ring (8) is provided with an oil storage cavity (14), and a plurality of groups of second through holes (16) are arranged on the inner wall of the oil storage cavity (14), and the second through holes (16) penetrate the inner wall of the fixed ring (8).

7. The laser welding apparatus with a protective structure according to claim 6, wherein The inside of the fixed ring (8) is provided with a through groove (12) corresponding to the position of the sink (10), one end of the through groove (12) is communicated with the sink (10), and the other end of the through groove (12) is provided at the center position of a plurality of groups of the second through holes (16).

8. The laser welding apparatus with a protective structure according to claim 7, wherein, The inside of the through groove (12) is provided with a baffle (13), a plurality of groups of second return springs (17) are arranged between one end of the baffle (13) and the inner wall of the through groove (12), and the baffle (13) is elastically arranged in the through groove (12) through a plurality of groups of the second return springs (17).

9. The laser welding apparatus with a protective structure according to claim 8, wherein, A plurality of first through holes (15) are arranged on the baffle (13), the first through holes (15) penetrate the baffle (13), and each first through hole (15) and each second through hole (16) are matched.

10. The laser welding apparatus with a protective structure according to claim 6, wherein, The oil storage cavity (14) is communicated with a one-way valve (18).

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