Material pressing mechanism of laser welding machine

Abstract

The utility model relates to a material pressing mechanism of a laser welding machine, which comprises a lifting module composed of two groups of lifting components, each lifting component comprises a bottom plate, an air cylinder is arranged at the center of one side of the bottom plate, and a lifting plate is arranged at the telescopic end of the air cylinder; the two sets of material pressing rods are detachably connected to the two sets of lifting plates and used for pressing materials of the machine box after feeding of the laser welding machine. And the buffering module is composed of two sets of buffering components, and the two sets of buffering components are arranged on the two sets of bottom plates correspondingly, located below the corresponding lifting plates and used for relieving the collision and impact tendency of the pressing rods on the case pressing materials. According to the material pressing mechanism of the laser welding machine, when the material pressing rod moves downwards and presses materials to a product, the lifting plate makes contact with the oil pressure buffer in advance, the oil pressure buffer restrains the downward pressing trend of the lifting plate when the lifting plate is pressed downwards, then the impact collision force of the material pressing rod to the product is reduced, the product is prevented from being damaged, and the product is protected.

Description

Technical Field

[0001] The utility model relates to the technical field of laser welding, in particular to a material pressing mechanism of a laser welding machine. Background Art

[0002] In the processing of metal precision box products, laser welding machines can be used for the welding process. Laser welding machines use the high heat generated by lasers to melt materials to achieve welding between two objects.

[0003] In industrial automation equipment, on existing laser welding machines, when pressing materials for products such as chassis, the existing pressing structure uses a cylinder as a push-pull actuator, and the cylinder is linked to a pressing plate to directly press the product down to achieve effective contact between the two objects. In this way, the pressing plate will directly collide with the product, and the product will often have defects due to collision and impact. Manual polishing is required in the later stage to meet the product factory requirements. For this reason, a pressing mechanism for a laser welding machine is proposed. Utility Model Content

[0004] Based on the above description, the utility model provides a material pressing mechanism for a laser welding machine, which solves the technical problem that the material pressing structure directly impacts the product, the product is easily damaged, and thus the product yield is affected.

[0005] The utility model solves the above technical problems with the following technical solutions: A material pressing mechanism of a laser welding machine, comprising:

[0006] The lifting module is composed of two sets of lifting components, the lifting components include a bottom plate, a cylinder is arranged at the center of one side of the bottom plate, and a lifting plate is arranged at the telescopic end of the cylinder;

[0007] Two sets of pressing rods are detachably connected to the two sets of lifting plates and are used to press the chassis after feeding the laser welding machine;

[0008] The buffer module is composed of two groups of buffer components, which are respectively arranged on two groups of bottom plates and located below the corresponding lifting plates to reduce the collision impact tendency of the pressing rod on the chassis pressing material.

[0009] On the basis of the above technical solution, the present invention can also be improved as follows.

[0010] Furthermore, a floating joint is provided between the telescopic end of the cylinder and the lifting plate.

[0011] Furthermore, the buffer components are two groups of oil pressure buffers, two groups of buffer bases are arranged on the bottom plate, the two groups of oil pressure buffers are respectively assembled on the two groups of buffer bases, and the two groups of oil pressure buffers are symmetrically distributed on both sides of the upper surface of the bottom plate.

[0012] Furthermore, an assembly seat is fixed on the two groups of lifting plates by bolts, and the assembly seat has an accommodating cavity, and the pressing rod is arranged in the accommodating cavity.

[0013] Furthermore, two sets of guide shafts are arranged on the bottom plate, and linear bearings are slidably connected to the outer sides of the guide shafts. The lifting plate is slidably connected to the guide shafts through linear bearings, and a top plate is arranged above the lifting plate, and the top plate is arranged at one end of the guide shaft away from the bottom plate.

[0014] Furthermore, it also includes a clamping component, which includes two groups of clamping plates, and the two groups of clamping plates are slidably connected between the two groups of pressing rods. A guide bar is fixed at the bottom of any group of top plates, and a guide cavity is opened on one side of the guide bar. A slider is slidably connected in the guide cavity, and a receiving block is fixed between the slider and the adjacent clamping plates. The guide cavity is inclined so that the two groups of clamping plates move toward or away from each other when the pressing rod is raised or lowered.

[0015] Furthermore, arc blocks are provided on both sides of the clamping plate, and the clamping plate is slidably connected to the pressing rod through the arc blocks.

[0016] Furthermore, a rubber pad is provided on one side of the clamping plate to reduce clamping damage to the chassis.

[0017] Compared with the prior art, the technical solution of this application has the following beneficial technical effects:

[0018] 1. The pressing mechanism of the laser welding machine, when the pressing rod moves down and presses the product, the lifting plate will contact the hydraulic buffer first. When the hydraulic buffer presses the lifting plate down, it will suppress the downward pressure trend of the lifting plate, thereby reducing the impact and collision force of the pressing rod on the product, avoiding damage to the product, and protecting the product.

[0019] 2. The pressing mechanism of the laser welding machine is designed with clamping parts. When the slider moves down, the two sets of clamps will move toward each other to clamp the two sides of the chassis product, restricting the movement of the product, making the product more stable and ensuring the smooth completion of the welding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic structural diagram of a material pressing mechanism of a laser welding machine provided in an embodiment of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of an embodiment of the utility model applied to a laser welding machine;

[0022] Figure 3 This is a schematic diagram of the structure of the embodiment of the utility model after adding a clamping component;

[0023] Figure 4 for Figure 3 A partial enlarged schematic diagram of the middle A area;

[0024] Figure 5 It is a structural schematic diagram of a slider and its connection structure in an embodiment of the utility model.

[0025] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0026] 1. Lifting module; 11. Bottom plate; 12. Cylinder; 13. Lifting plate; 14. Floating joint; 15. Guide shaft; 16. Linear bearing; 17. Top plate; 2. Press rod; 3. Buffer module; 4. Buffer base; 5. Assembly seat; 6. Clamping component; 61. Clamping plate; 62. Guide strip; 63. Guide cavity; 64. Slider; 65. Receiver block; 66. Rubber pad. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0028] like Figure 1 and Figure 2 As shown, a pressing mechanism of a laser welding machine in this embodiment includes a lifting module 1, a pressing rod 2 and a buffer module 3, wherein the lifting module 1 is used to drive the pressing rod 2 to perform a lifting action to complete the work of pressing the product or not, and the buffer module 3 is used to slow down the movement trend of the pressing rod 2 when the pressing rod 2 descends and approaches the product, thereby reducing the impact and collision force on the product, avoiding damage to the product, and protecting the product.

[0029] like Figure 3 As shown, the lifting module 1 is composed of two groups of lifting components, and the lifting components include a base plate 11, a cylinder 12 is arranged at the bottom center of the base plate 11, and a lifting plate 13 is arranged at the telescopic end of the cylinder 12, and the number of the pressing rods 2 is two groups, and the two groups of pressing rods 2 are detachably connected to the two groups of lifting plates 13, and are used to press the chassis after feeding the laser welding machine.

[0030] For further explanation, preferably, an assembly seat 5 is fixed to the two sets of lifting plates 13 by bolts, and the assembly seat 5 has an accommodating cavity, and the press rod 2 is arranged in the accommodating cavity.

[0031] The buffer module 3 is composed of two groups of buffer components, which are respectively arranged on two groups of bottom plates 11 and located below the corresponding lifting plates 13 to reduce the collision impact tendency of the pressing rod 2 on the chassis pressing material.

[0032] Further explanation, the preferred solution is that the buffer components are two groups of hydraulic buffers, and the hydraulic buffers are of the AirTac brand, model ACJ2750. Two groups of buffer bases 4 are arranged on the base plate 11, and the two groups of hydraulic buffers are respectively assembled on the two groups of buffer bases 4, and the two groups of hydraulic buffers are symmetrically distributed on both sides of the upper surface of the base plate 11, so that the buffering force is balanced.

[0033] When in use, the cylinder 12 has a telescopic function, and the lifting plate 13 can complete the lifting action through the cylinder 12, so that the pressing rod 2 can complete the pressing work on the product. When the pressing rod 2 moves down and presses the product, the lifting plate 13 will contact the oil pressure buffer first. When the oil pressure buffer presses down the lifting plate 13, the downward pressing trend of the lifting plate 13 is suppressed, thereby reducing the impact and collision force of the pressing rod 2 on the product, avoiding damage to the product, and protecting the product.

[0034] In order to make the cylinder 12 work smoothly, a floating joint 14 is further provided between the telescopic end of the cylinder 12 and the lifting plate 13. The floating joint 14 plays the role of reducing eccentricity, making the cylinder 12 work stably within the allowable eccentricity range, and keeping the movement of the cylinder 12 smooth when working.

[0035] like Figure 3 As shown, in a certain embodiment, two groups of guide shafts 15 are provided on the base plate 11, and linear bearings 16 are slidably connected to the outer sides of the guide shafts 15. The lifting plate 13 is slidably connected to the guide shafts 15 through the linear bearings 16, and a top plate 17 is provided above the lifting plate 13. The top plate 17 is provided at one end of the guide shaft 15 away from the base plate 11.

[0036] In order to clamp the two sides of the product, such as Figure 3-5 As shown, the pressing mechanism of the laser welding machine also includes a clamping component 6, which includes two groups of clamping plates 61. The two groups of clamping plates 61 are slidably connected between the two groups of pressing rods 2. Arc blocks are arranged on both sides of the clamping plates 61. The clamping plates 61 are slidably connected to the pressing rods 2 through the arc blocks. A guide bar 62 is fixed at the bottom of any group of top plates 17, and a guide cavity 63 is opened on one side of the guide bar 62. A slider 64 is slidably connected in the guide cavity 63. A receiving block 65 is fixed between the slider 64 and the adjacent clamping plate 61, and the guide cavity 63 is inclined. When the pressing rod 2 is raised or lowered, the two groups of clamping plates 61 move toward or away from each other.

[0037] Furthermore, a rubber pad 66 is provided on one side of the clamping plate 61 to reduce clamping damage to the chassis.

[0038] It should be noted that the cross-sections of the slider 64 and the guide cavity 63 are both T-shaped to prevent the slider 64 from escaping from the guide cavity 63 .

[0039] When in use, the lifting plate 13 completes the lifting action through the cylinder 12, so that the pressing rod 2 completes the pressing work of the product. When the pressing rod 2 descends, since the guide cavity 63 is inclined, the slider 64 is guided by the guide cavity 63 to push the receiving block 65 and the clamping plate 61 to move. When the slider 64 moves downward, the two sets of clamping plates 61 will move toward each other, clamping the two sides of the chassis product, limiting the movement of the product, and ensuring the smooth completion of the welding process.

[0040] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A material pressing mechanism of a laser welding machine, characterized in that: include: A lifting module (1) is composed of two groups of lifting components, the lifting components comprising a base plate (11), a cylinder (12) is arranged at the center of one side of the base plate (11), and a lifting plate (13) is arranged at the telescopic end of the cylinder (12); Two sets of pressing rods (2) are detachably connected to the two sets of lifting plates (13) and are used to press the chassis after feeding the laser welding machine; The buffer module (3) is composed of two groups of buffer components, which are respectively arranged on two groups of bottom plates (11) and located below the corresponding lifting plates (13) to reduce the collision impact tendency of the pressing rod (2) on the chassis pressing material.

2. The material pressing mechanism of a laser welding machine according to claim 1, characterized in that: A floating joint (14) is provided between the telescopic end of the cylinder (12) and the lifting plate (13).

3. The material pressing mechanism of a laser welding machine according to claim 2, characterized in that: The buffer components are two groups of oil pressure buffers. Two groups of buffer bases (4) are arranged on the bottom plate (11). The two groups of oil pressure buffers are respectively assembled on the two groups of buffer bases (4), and the two groups of oil pressure buffers are symmetrically distributed on both sides of the upper surface of the bottom plate (11).

4. The material pressing mechanism of a laser welding machine according to claim 3, characterized in that: An assembly seat (5) is fixed to the two sets of lifting plates (13) by means of bolts. The assembly seat (5) has a receiving cavity, and the pressing rod (2) is arranged in the receiving cavity.

5. The material pressing mechanism of a laser welding machine according to claim 1, characterized in that: Two groups of guide shafts (15) are arranged on the bottom plate (11), and linear bearings (16) are slidably connected to the outer sides of the guide shafts (15). The lifting plate (13) is slidably connected to the guide shafts (15) via the linear bearings (16). A top plate (17) is arranged above the lifting plate (13), and the top plate (17) is arranged at one end of the guide shaft (15) away from the bottom plate (11).

6. The material pressing mechanism of a laser welding machine according to claim 5, characterized in that: The clamping part (6) further comprises a clamping component (6), the clamping component (6) comprising two groups of clamping plates (61), the two groups of clamping plates (61) being slidably connected between the two groups of press rods (2), a guide bar (62) being fixed at the bottom of any group of top plates (17), a guide cavity (63) being provided on one side of the guide bar (62), a slider (64) being slidably connected in the guide cavity (63), a receiving block (65) being fixed between the slider (64) and the adjacent clamping plate (61), and the guide cavity (63) being arranged to be inclined, so that the two groups of clamping plates (61) are moved towards or away from each other when the press rod (2) is raised or lowered.

7. The material pressing mechanism of a laser welding machine according to claim 6, characterized in that: Arc blocks are provided on both sides of the clamping plate (61), and the clamping plate (61) is slidably connected to the pressing rod (2) via the arc blocks.

8. The material pressing mechanism of a laser welding machine according to claim 7, characterized in that: A rubber pad (66) is provided on one side of the clamping plate (61) to reduce clamping damage to the chassis.

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