Clamp structure for laser welding

Abstract

The utility model relates to the technical field of laser welding, in particular to a clamp structure for laser welding, comprising: a frame for supporting the clamp structure; the positioning block is installed on the machine frame in a sliding mode, a first positioning groove and a second positioning groove are formed in the positioning block, and the first positioning groove and the second positioning groove are used for positioning parts; the pressing plate is installed on the machine frame in a sliding mode, and the pressing plate is used for tightly pressing a part on the positioning block; the sliding assembly is installed on the machine frame, and the sliding assembly is used for driving the positioning block to slide; and the lifting assembly is installed on the machine frame, and the lifting assembly is used for driving the pressing plate to ascend and descend. According to the device, manual butt joint of the parts is omitted, the position deviation between the two parts is reduced, and the stability of the parts in the using process after welding is completed is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of laser welding, in particular to a clamp structure for laser welding. BACKGROUND

[0002] At present, laser welding is a welding method that uses high-energy laser beams as heat sources to heat, melt and connect metal materials. The laser beam is irradiated to the metal surface through a highly focused manner, producing local high temperature to melt the metal and form a weld. Laser welding has precise control ability and can be used for fine welding and high-strength material connection, and is commonly used in the automobile, aviation, electronics, medical device and other industries.

[0003] The prior art butts two parts together so that the parts can correspond to each other, and then uses a high-energy-density laser beam to precisely heat the contact area during laser welding, so that the metal at the joint rapidly melts and fuses together.

[0004] For the related technology in the above, the inventors believe that when the two parts are butted together, if the positions of the two parts are offset, the stability of the parts during the later use process will be affected. UTILITY MODEL CONTENT

[0005] The technical problem to be solved by the utility model is to provide a clamp structure for laser welding, which solves the technical problem that when two parts are butted together, if the positions of the two parts are offset, the stability of the parts during the later use process will be affected.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A clamp structure for laser welding, comprising: a rack for supporting the clamp structure; a positioning block slidably mounted on the rack, a first positioning groove and a second positioning groove being formed in the positioning block, the first positioning groove and the second positioning groove being used for positioning the parts; a pressing plate slidably mounted on the rack, the pressing plate being used for pressing the parts tightly on the positioning block; a sliding assembly mounted on the rack, the sliding assembly being used for driving the positioning block to slide; and a lifting assembly mounted on the rack, the lifting assembly being used for driving the pressing plate to lift.

[0008] Further, the sliding assembly comprises a double-piston cylinder, the piston rods of the double-piston cylinder being connected to the rack at both ends respectively, and the positioning block being mounted on the double-piston cylinder.

[0009] Further, the rack is provided with a first guide rail, the first guide rail is provided with a first sliding block, the first sliding block is slidingly installed on the first guide rail, and the positioning block is installed on the first sliding block.

[0010] Further, the rack is provided with a lifting plate, the lifting plate is provided with a avoiding slot, the pressing plate is installed on the lifting plate, and one end of the pressing plate extends to the side close to the avoiding slot.

[0011] Further, the lifting assembly comprises a lifting cylinder, the lifting cylinder is installed on the rack, and the piston rod of the lifting cylinder is connected with the lifting plate.

[0012] Further, the rack is provided with a second guide rail, the second guide rail is provided with a second sliding block, the second sliding block is slidingly matched with the second guide rail, and the lifting plate is installed on the second sliding block.

[0013] Further, the pressing plate is provided with a welding hole, and the welding hole penetrates the pressing plate.

[0014] In summary, the present application has the following at least one beneficial technical effect of the clamp structure for laser welding:

[0015] 1. During use, two parts are placed on the first positioning groove and the second positioning groove of the positioning block, the first positioning groove and the second positioning groove of the positioning block position the parts, the sliding assembly drives the positioning block to slide to the side close to the pressing plate, the lifting assembly drives the pressing plate to abut against the positioning block, the pressing plate abuts against the two parts, and then the parts are welded through the welding hole on the pressing plate, thereby eliminating manual butt joint of the parts, reducing the positional deviation between the two parts, and improving the stability of the parts after welding.

[0016] 2. The first guide rail and the second guide rail are arranged to improve the stability of the positioning block and the lifting plate sliding on the rack.

[0017] 3. The double-piston cylinder and the lifting cylinder are arranged to improve the convenience of the positioning block and the lifting plate sliding. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a schematic diagram of the clamp structure for laser welding provided by the present application as a whole;

[0019] Figure 2 is a schematic diagram of the positioning block structure provided by the present application;

[0020] Figure 3 is an exploded schematic diagram of the pressing plate structure provided by the present application.

[0021] Mark: 1, rack; 2, positioning block; 21, first positioning groove; 22, second positioning groove; 23, connecting plate; 3, pressing plate; 31, welding hole; 4, sliding assembly; 41, double-piston cylinder; 42, first guide rail; 43, first sliding block; 5, lifting assembly; 51, lifting plate; 52, avoiding groove; 53, lifting cylinder; 54, second guide rail; 55, second sliding block. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model will be further described below in combination with specific embodiments.

[0023] The following will be described in combination with the accompanying Figures 1-3 The application will be further described in detail.

[0024] The embodiment of the application discloses a clamp structure for laser welding.

[0025] Refer to Figure 1 A clamp structure for laser welding, comprising a rack 1, the rack 1 is provided with a positioning block 2 and a pressing plate 3, the positioning block 2 positions parts, after the parts are positioned, the pressing plate 3 presses the parts on the positioning block 2, which improves the stability of the parts in the welding process.

[0026] Refer to Figure 2 The positioning block 2 is provided with a first positioning groove 21 and a second positioning groove 22, and the first positioning groove 21 and the second positioning groove 22 are communicated, in use, one of the parts is placed in the first positioning groove 21, and then the other part is placed in the second positioning groove 22, the parts are positioned through the first positioning groove 21 and the second positioning groove 22, so that the stability of the parts is improved.

[0027] Refer to Figure 3 When welding the parts, in order to reduce the harm of laser to the workers in the laser welding process, the rack 1 is provided with a sliding assembly 4, the sliding assembly 4 comprises a double-piston cylinder 41, the piston rod of the double-piston cylinder 41 is connected with the rack 1 at both ends. The rack 1 is provided with a first guide rail 42 on the side close to the double-piston cylinder 41, the length direction of the first guide rail 42 is parallel to the piston rod axis direction of the double-piston cylinder 41, the first guide rail 42 is provided with a first sliding block 43, and the first sliding block 43 is slidably installed on the first guide rail 42.

[0028] In use, the positioning block 2 is located between the first guide rail 42 and the double-piston cylinder 41, and the positioning block 2 is provided with a connecting plate 23, and two connecting plates 23 are arranged on the positioning block 2 in a spaced manner, one end of the two connecting plates 23 is connected with the positioning block 2, and the other end is connected with the corresponding first sliding block 43 and the double-piston cylinder 41. In use, the positioning block 2 slides along the length direction of the first guide rail 42 under the action of the double-piston cylinder 41.

[0029] The first guide rail 42 includes a starting position and an ending position, and in use, the parts are installed at the starting position of the first guide rail 42, and then the positioning block 2 moves to one side of the ending position under the driving of the double-piston cylinder 41.

[0030] The rack 1 is provided with a lifting assembly 5, and the lifting assembly 5 includes a lifting plate 51 located on one side of the first guide rail 42 close to the ending position. The lifting plate 51 is provided with a avoiding slot 52, and the pressing plate 3 is installed on the lifting plate 51, and one end of the pressing plate 3 extends to one side close to the avoiding slot 52. In addition, the lifting plate 51 is provided with a welding hole 31 penetrating through the lifting plate 51, and in use, the positioning block 2 slides to one side close to the lifting plate 51, and when the positioning block 2 slides to below the lifting plate 51, the lifting plate 51 drives the pressing plate 3 to slide to one side close to the positioning block 2, and the pressing plate 3 presses the parts on the positioning block 2.

[0031] The rack 1 is provided with a lifting cylinder 53 vertically installed on the rack 1, and one end of the piston rod of the lifting cylinder 53 is connected with the lifting plate 51, and in use, the lifting cylinder 53 drives the lifting plate 51 to slide on the rack 1.

[0032] In order to improve the stability of the lifting plate 51 sliding on the rack 1, the rack 1 is provided with a second guide rail 54, and the length direction of the second guide rail 54 is parallel to the axis of the piston rod of the lifting cylinder 53, and the second guide rail 54 is provided with a second sliding block 55, and the lifting plate 51 is installed on the second sliding block 55. In use, the lifting plate 51 slides along the second guide rail 54 under the driving of the lifting cylinder 53.

[0033] In use, one of the parts is placed in the first positioning slot 21, and the other part is placed in the second positioning slot 22, and then the positioning block 2 slides to below the pressing plate 3 along the first guide rail 42 under the driving of the double-piston cylinder 41. The lifting plate 51 slides along the second guide rail 54 under the driving of the lifting cylinder 53, so that the pressing plate 3 presses the parts on the positioning block 2, and at the same time, the parts to be welded are exposed in the welding hole 31, and the workers weld the two parts through the welding hole 31 on the pressing plate 3.

[0034] The above are all preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: all equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A jig structure for laser welding, characterized by, Include: Rack (1), the rack (1) is used for supporting the fixture structure; Positioning block (2), the positioning block (2) is slidingly installed on the rack (1), the first positioning groove (21) and the second positioning groove (22) are opened on the positioning block (2), the first positioning groove (21) and the second positioning groove (22) are used for positioning parts; Pressing plate (3), the pressing plate (3) is slidingly installed on the rack (1), and the pressing plate (3) is used for pressing the parts on the positioning block (2); Sliding assembly (4), the sliding assembly (4) is installed on the rack (1), and the sliding assembly (4) is used for driving the positioning block (2) to slide; Lifting assembly (5), the lifting assembly (5) is installed on the rack (1), and the lifting assembly (5) is used for driving the pressing plate (3) to lift.

2. The fixture structure for laser welding according to claim 1, wherein The sliding assembly (4) includes a double-piston cylinder (41), both ends of the piston rod of the double-piston cylinder (41) are connected with the rack (1) respectively, and the positioning block (2) is installed on the double-piston cylinder (41).

3. The fixture structure for laser welding according to claim 2, wherein The rack (1) is provided with a first guide rail (42), the first guide rail (42) is provided with a first sliding block (43), the first sliding block (43) is slidingly installed on the first guide rail (42), and the positioning block (2) is installed on the first sliding block (43).

4. The fixture structure for laser welding according to claim 1, wherein The rack (1) is provided with a lifting plate (51), the lifting plate (51) is provided with a avoiding slot (52), the pressing plate (3) is installed on the lifting plate (51), and one end of the pressing plate (3) extends to the side close to the avoiding slot (52).

5. The fixture structure for laser welding according to claim 4, wherein The lifting assembly (5) includes a lifting cylinder (53), the lifting cylinder (53) is installed on the rack (1), and the piston rod of the lifting cylinder (53) is connected with the lifting plate (51).

6. The fixture structure for laser welding according to claim 5, wherein The rack (1) is provided with a second guide rail (54), the second guide rail (54) is provided with a second sliding block (55), the second sliding block (55) is slidingly connected with the second guide rail (54), and the lifting plate (51) is installed on the second sliding block (55).

7. The fixture structure for laser welding according to claim 1, wherein The pressing plate (3) is provided with a welding hole (31), and the welding hole (31) penetrates the pressing plate (3).

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