Positioning tool for laser welding machine

Abstract

The utility model belongs to the technical field of welding positioning equipment, and particularly relates to a positioning tool for a laser welding machine, which comprises an operation table, a support frame, a first side baffle and a second side baffle, the support frame is arranged at the bottom end of the operation table and is supported by four corners, and the first side baffle and the second side baffle are oppositely distributed at the upper end of the operation table. By arranging the positioning clamp, the pressure springs, the sliding grooves, the grip and the pull rod, an operator can manually hold the grip to stretch the pull rod towards the outside of the left side and the outside of the right side when the equipment works, the pull rod drives the positioning clamp, the positioning clamp slides in the sliding grooves through the sliding blocks to stably move, and the pressure springs on the left side and the right side contract under pressure; when the space in the middle of the operation table is enough for placing a to-be-positioned article, the to-be-positioned article is placed in the middle of the operation table, then the grip is released, the sliding speed of the sliding block is slowed down under the retardation of the adhesive tape, and the damper structure connected with the connecting column is subjected to outward pulling force, so that the pulling force is slowed down.

Description

Technical Field

[0001] The utility model relates to the technical field of welding positioning equipment, in particular to a positioning tool for a laser welding machine. Background Art

[0002] Laser welding is a method of welding that uses a focused laser beam as energy to generate heat to bombard the weldment. Laser welding is very suitable for welding micro parts and parts with poor accessibility due to its optical properties such as refraction and focusing. Laser welding also has the characteristics of low heat input, small welding deformation, and no influence of electromagnetic fields. Laser welding requires positioning of the object to be processed, and often requires the use of special positioning equipment.

[0003] The prior art has the following deficiencies: the prior art publication number CN213794797U states that “a positioning tool for automatic laser welding” “includes a support table, the upper end surface of the support table is connected to support plates on both sides, the left end surface of the left support plate is installed with a first motor, the output end of the first motor is connected to a screw rod, the outer surface of the screw rod is threadedly connected to a movable plate, the front outer surface of the movable plate is connected to a fixed plate, the upper end surface of the fixed plate is installed with a cylinder, the output end of the cylinder is connected to a mounting plate, the bottom end surface of the mounting plate is installed with a laser head, and a bearing platform is arranged below the laser head”;

[0004] When the above structure is used, the workpiece is placed on the supporting platform, and the personnel turns the hand wheel to make the clamp approach the workpiece and clamp the workpiece to prevent the workpiece from shifting during welding. The cylinder is then turned on to drive the laser head to move downward. When it is in the appropriate position, the cylinder stops working, and the first motor works to drive the screw to rotate, and the screw drives the laser head to move left and right. This structure uses a traditional cylinder as a pressure source, the overall structure is complex, and the operation, maintenance, and preparation costs are high.

[0005] The prior art has the following problems:

[0006] Today's laser welding machine positioning tools generally use air pressure, hydraulic pressure, electric drive and other methods for positioning. The overall structure is complex and the operation, maintenance and preparation costs are high. Utility Model Content

[0007] In view of the deficiencies in the prior art, the utility model provides a positioning fixture for a laser welding machine, which solves the current problems of complex structure, high preparation, operation and maintenance costs.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning tool for a laser welding machine, comprising an operating table, a support frame, a first side baffle and a second side baffle, wherein the support frame is arranged at the bottom end of the operating table and supported at four corners, the first side baffle and the second side baffle are arranged at the upper end of the operating table in opposite directions, and the inner end surfaces of the first side baffle and the second side baffle are also provided with connecting columns;

[0009] A pressure spring is sleeved on the inner side of the connecting column, and a positioning clip is fixedly connected to the outer end of the pressure spring. A handle is arranged on the outer side of the first side baffle plate and the second side baffle plate, and the handle extends inwardly and is connected to a pull rod;

[0010] The positioning clamp also includes a slider, an anti-slip cone and a slot. The slider is arranged at the ends of both sides of the bottom end of the positioning clamp through integral die-casting. The anti-slip cone is arranged at the outer ends of the inner side of the positioning clamp through integral die-casting. The slot is opened on the surfaces of the two ends of the outer side of the positioning clamp.

[0011] As a preferred technical solution of the utility model, the positioning clips are provided in two groups and are distributed opposite to each other in a strip-shaped structure, with an inner side having an arc-shaped end surface, and the back ends of the two groups of positioning clips are fixedly connected to the pressure springs through the slots.

[0012] As a preferred technical solution of the utility model, the operating table further includes a slide groove and a rubber strip. The slide groove is provided with two groups and is opened on the upper end surface of the operating table. The rubber strip is fixedly connected to the two ends of the inner wall of the slide groove.

[0013] As a preferred technical solution of the utility model, the end of the connecting column close to the outer side is connected to a conventional damping structure, and the damping structure internally includes a piston rod, a working piston, a floating piston and a restart shock absorber. The connecting column establishes an active connection with the working piston at the inner end of the damping structure.

[0014] As a preferred technical solution of the utility model, two groups of pressure springs and an extended connecting column are respectively provided at the back end of the positioning clamp.

[0015] As a preferred technical solution of the utility model, the handle and the pull rod are made of an integrally die-cast metal material and are in the shape of a horizontal "door". Two groups of pull rod parts are provided. The two groups of pull rod parts respectively penetrate the first side baffle and the second side baffle horizontally, and extend to the back end of the positioning clamp and establish a fixed connection with it.

[0016] As a preferred technical solution of the utility model, the distance between the anti-slip cones at the upper and lower ends of each group of positioning clamps is the maximum longitudinal dimension that the operating table can accommodate.

[0017] Compared with the prior art, the utility model provides a positioning tool for a laser welding machine, which has the following beneficial effects:

[0018] The positioning fixture for a laser welding machine is provided with a positioning clamp, a pressure spring, a slide groove, a handle and a pull rod. When the device is in operation, the operator can manually hold the handle to stretch the pull rod to the left and right sides. The pull rod drives the positioning clamp, and the positioning clamp slides in the slide groove through the slider to move stably. The pressure springs on the left and right sides are compressed by pressure. When the space in the middle of the operating table is sufficient to place the object to be positioned, the object to be added is placed in the middle of the operating table, and then the handle is released. The slider slows down the sliding speed under the retardation of the rubber strip, and the damping structure connected to the connecting column is subjected to an outward pulling force to slow down the pulling force. The positioning clamp slowly returns to the middle of the operating table under double buffering to complete the positioning of the object to be welded. Through the above-mentioned settings, the device structure can position the object to be welded without the need for hydraulic pressure, air pressure, or electric drive. The clamping force required for positioning is maintained while simplifying the structure, reducing the manufacturing cost, use, and maintenance cost of the device, and providing a suitable positioning mechanism for small-volume laser welding operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the fixed clamp structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the connection position of the pressure spring of the utility model;

[0022] Figure 4 This is a schematic diagram of the detailed structure of the rubber strip position of the utility model.

[0023] In the figure: 1. operating table; 101. slide groove; 102. rubber strip; 2. support frame; 3. first side baffle plate; 4. second side baffle plate; 5. connecting column; 6. pressure spring; 7. positioning clamp; 701. slider; 702. anti-slip cone; 703. slot; 8. handle; 9. pull rod. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-4In this embodiment: a positioning tool for a laser welding machine includes an operating table 1, a support frame 2, a first side baffle 3 and a second side baffle 4. The support frame 2 is arranged at the bottom end of the operating table 1 and supported at four corners. The support frame 2 supports the operating table 1. The first side baffle 3 and the second side baffle 4 are arranged at the upper end of the operating table 1 in opposite directions. The first side baffle 3 and the second side baffle 4 are respectively installed and fixed with pressure springs 6 at different positions. The inner end surfaces of the first side baffle 3 and the second side baffle 4 are also provided with connecting columns 5, and the connecting columns 5 connect the pressure spring 6 and the damping mechanism;

[0026] A pressure spring 6 is sleeved on the inner side of the connecting column 5, and the pressure spring 6 applies a positioning pressure to the middle of the positioning clamp 7. The outer end of the pressure spring 6 is fixedly connected to the positioning clamp 7. The positioning clamp 7 clamps and positions the object to be processed. A handle 8 is arranged on the outer side of the first side baffle 3 and the second side baffle 4. The handle 8 and the pull rod 9 serve as a structure for pulling the positioning clamp 7. The handle 8 extends inward and is connected to the pull rod 9.

[0027] The positioning clamp 7 also includes a slider 701, an anti-slip cone 702 and a slot 703. The slider 701 is arranged at the ends of both sides of the bottom of the positioning clamp 7 through integral die-casting. The anti-slip cone 702 is arranged at the outer ends of the inner side of the positioning clamp 7 through integral die-casting. The slot 703 is opened on the outer end surfaces of the positioning clamp 7.

[0028] In this embodiment, two groups of positioning clips 7 are provided, and they are distributed oppositely in a strip-shaped structure, and the inner side thereof is an arc-shaped end face. The back ends of the two groups of positioning clips 7 are fixedly connected to the pressure spring 6 through the card groove 703; the operating table 1 also includes a slide groove 101 and a rubber strip 102. The slide groove 101 is provided with two groups and is provided on the upper end face of the operating table 1. The rubber strip 102 is fixedly connected to the two ends of the inner wall of the slide groove 101; the end of the connecting column 5 close to the outer side is connected to a conventional damping structure, and the damping structure internally includes a piston rod, an operating piston, a floating piston and a restart shock absorber, and the connecting column 5 and the operating piston at the inner end of the damping structure A movable connection is established, and the damping structure buffers the rebound of the pressure spring 6; two groups of pressure springs 6 and an extended connecting column 5 are respectively provided at the back end of the positioning clamp 7; the handle 8 and the pull rod 9 are made of an integral die-cast metal material, and are in the shape of a horizontal "door", and are provided with two groups, and the two groups of pull rod 9 parts respectively pass through the first side baffle 3 and the second side baffle 4 horizontally, and extend to the back end of the positioning clamp 7, and establish a fixed connection with it; the distance between the anti-slip cones 702 at the upper and lower ends of each group of positioning clamps 7 is the maximum longitudinal dimension that the operating table 1 can accommodate, and the maximum longitudinal dimension is limited to ensure the safe use of the equipment.

[0029] The working principle and use process of the utility model are as follows: when the equipment is in operation, the operator can manually hold the handle 8 to stretch the pull rod 9 to the left and right sides, and the pull rod 9 drives the positioning clamp 7. The positioning clamp 7 slides in the slide groove 101 through the slider 701 and moves stably. The pressure springs 6 on the left and right sides are compressed by pressure. When the space in the middle of the operating table 1 is sufficient to place the object to be positioned, the object to be added is placed in the middle of the operating table 1, and then the handle 8 is released. The slider 701 slows down the sliding speed under the obstruction of the rubber strip 102, and the damping structure connected to the connecting column 5 is subjected to an outward pulling force to slow down the pulling force. The positioning clamp 7 slowly returns to the middle of the operating table 1 under double buffering to complete the positioning of the object to be welded.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A positioning tool for a laser welding machine, comprising an operating table (1), a support frame (2), a first side baffle (3) and a second side baffle (4), wherein the support frame (2) is arranged at the bottom end of the operating table (1) and supported at four corners, the first side baffle (3) and the second side baffle (4) are arranged at the upper end of the operating table (1) in opposite directions, and the inner end surfaces of the first side baffle (3) and the second side baffle (4) are further provided with connecting columns (5); Features: A pressure spring (6) is sleeved on the inner side of the connecting column (5), and a positioning clamp (7) is fixedly connected to the outer end of the pressure spring (6). A handle (8) is provided on the outer side of the first side baffle (3) and the second side baffle (4), and the handle (8) extends inwardly and is connected to a pull rod (9); The positioning clip (7) further comprises a slider (701), an anti-slip cone (702) and a slot (703); the slider (701) is disposed at the ends of both sides of the bottom of the positioning clip (7) by integral die-casting; the anti-slip cone (702) is disposed at the outer ends of the inner sides of the positioning clip (7) by integral die-casting; and the slot (703) is provided on the outer ends of the outer sides of the positioning clip (7).

2. The positioning tool for a laser welding machine according to claim 1, characterized in that: The positioning clips (7) are provided in two groups and are distributed opposite to each other in a strip-shaped structure, with their inner sides presenting arc-shaped end faces. The back ends of the two groups of positioning clips (7) are fixedly connected to the pressure spring (6) via the clamping grooves (703).

3. The positioning tool for a laser welding machine according to claim 1, characterized in that: The operating table (1) further comprises a slide groove (101) and a rubber strip (102), wherein the slide groove (101) is provided with two groups and is provided on the upper end surface of the operating table (1), and the rubber strip (102) is fixedly connected to the two ends of the inner wall of the slide groove (101).

4. The positioning tool for a laser welding machine according to claim 1, characterized in that: The end of the connecting column (5) close to the outside is connected to a conventional damping structure, the damping structure internally comprises a piston rod, an operating piston, a floating piston and a restart shock absorber, and the connecting column (5) is movably connected to the operating piston at the inner end of the damping structure.

5. The positioning tool for a laser welding machine according to claim 1, characterized in that: The back end of the positioning clamp (7) is respectively provided with two groups of pressure springs (6) and an extended connecting column (5).

6. The positioning tool for a laser welding machine according to claim 1, characterized in that: The handle (8) and the pull rod (9) are made of an integrally die-cast metal material and are in a horizontal "door" shape. Two groups of pull rods (9) are provided. The two groups of pull rods (9) respectively penetrate the first side baffle (3) and the second side baffle (4) horizontally and extend to the back end of the positioning clip (7) and establish a fixed connection therewith.

7. The positioning tool for a laser welding machine according to claim 1, characterized in that: The distance between the anti-slip cones (702) at the upper and lower ends of each set of positioning clips (7) is the maximum longitudinal dimension that the operating table (1) can accommodate.

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