Laser welding clamp for door lock panel

By designing a laser welding fixture for door lock panels, which uses cylinder drive and magnetic clamping, precise positioning and stable clamping of door lock panels are achieved, solving the problem that existing fixtures cannot achieve precise positioning and stable clamping, and improving welding efficiency and quality.

CN223629725UActive Publication Date: 2025-12-05ZHEJIANG INNOVATION LASER EQUIP CO LTD
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Patent Information

Application Number
CN202423180250.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-12-05
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

Existing fixtures are unable to achieve precise positioning and stable clamping of door lock panels, and cannot adapt to different materials and thicknesses. As a result, the door lock panels cannot be accurately positioned and fixed during the clamping process, which affects the welding accuracy and quality.

Method used

Using a cylinder as the driving device, a fixture was designed that includes components such as a work box, a three-axis module, a clamping structure, a cylinder, and a magnet, to achieve precise clamping and flexible adjustment of the door lock panel, ensuring the continuity and consistency of the welding process.

Benefits of technology

It improves welding efficiency and quality, avoids workpiece damage caused by improper clamping, and ensures the reliability and consistency of the welding process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a laser welding fixture for a door lock panel, which relates to the technical field of door locks and comprises a working box, a three-axis module is arranged on one side of the top of the working box, a laser welding gun head is arranged at one end of the three-axis module, and two clamping structures are arranged on the other side of the top of the working box. The clamping structure is located at the bottom of the laser welding gun head and comprises a containing table, and standard air cylinders are arranged on the two sides of the bottom of the containing table. The air cylinder is adopted as a driving device, accurate clamping of a door lock panel is achieved, continuous clamping and fixing of workpieces can be achieved through the two independent clamping platforms, seamless connection is achieved in time, and when one clamping platform is clamping the workpieces and welding is conducted through a laser welding gun head, the workpieces can be clamped through the two independent clamping platforms. And the other clamping platform carries out feeding and discharging operation to prepare for the next welding period.
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Description

TECHNICAL FIELD

[0001] The utility model relates to door lock technical field, concretely is a kind of laser welding fixture for door lock panel. BACKGROUND

[0002] The most basic and core function of door lock is to protect people's life and property safety, whether it is family, office or other public areas, door lock can effectively prevent unauthorized intrusion and damage, so as to protect people's property and privacy from being violated, wherein the door lock panel is an important component of door lock, mainly used for installing door lock and keyhole, through door lock panel, door lock can be conveniently operated, the function of opening and closing door is realized, at the same time, the production process of door lock panel also directly affects the durability and safety of door lock.

[0003] In order to realize efficient and accurate welding of door lock panel, laser welding method is adopted, this technology uses the high energy density characteristics of laser beam to locally heat the door lock panel, so that it rapidly melts and realizes close connection with another component, improves production efficiency, so that the welding work of door lock panel can be quickly completed, and due to the precise control of laser beam, the heat affected zone in the welding process is greatly reduced, and the welding deformation is effectively controlled, so as to ensure the precision and stability of door lock panel, and the welding joint is smooth and beautiful, without subsequent polishing treatment, further improving the overall quality of product, in addition, laser welding can effectively reduce defects such as pores and cracks that may occur during welding, thereby enhancing the strength and durability of door lock panel, so that it can better cope with various use scenarios

[0004] In the process of laser welding, in order to ensure the precise butt joint of welding position, special fixture is usually used to clamp and fix workpiece, the fixture can keep the stability of workpiece in the welding process, effectively prevent the workpiece from deforming or shifting due to high temperature generated during welding, so as to significantly improve the quality of welding. However, most of the fixtures on the market can meet the basic clamping requirements to some extent, but they do not fully consider the special shape and size of door lock panel, so that precise positioning and fixing of door lock panel cannot be realized during clamping, thereby affecting the precision and effect of welding, secondly, the clamping force of part of the fixture is unstable, and it is difficult to flexibly adjust according to the material and thickness of door lock panel, which not only may cause damage to workpiece due to clamping too tightly, but also may affect the stability of welding due to clamping too loosely.

[0005] In view of the above problems, the utility model provides a laser welding fixture for door lock panel. UTILITY MODEL CONTENTS

[0006] The utility model discloses a purpose lies in providing a kind of laser welding fixture for door lock panel, adopt cylinder as driving device, realize the accurate clamping of door lock panel, can realize accurate positioning and stable clamping, effectively improve the precision and quality of welding, secondly, the clamping force of fixture can be flexibly adjusted by cylinder, to adapt to the door lock panel of different material and thickness, avoid the damage of workpiece or unstable welding due to improper clamping, ensure the reliability and consistency of welding process, to solve the problem in background art.

[0007] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a kind of laser welding fixture for door lock panel, including working tank, the side of the top of the working tank is provided with three-axis module, one end of the three-axis module is provided with laser welding gun head, the other side of the top of the working tank is provided with two clamping structures, and the clamping structure is located at the bottom of laser welding gun head.

[0008] The clamping structure includes a placement table, the bottom of the placement table is provided with a standard cylinder on both sides, the output end of the standard cylinder penetrates the top of the placement table and is fixedly connected with a transmission plate through bolts, the top of the transmission plate is fixedly connected with three equally-spaced connecting blocks through bolts, one side of the connecting block is fixedly connected with a pressing block one, the bottom of the transmission plate is fixedly connected with a guide rod on both sides, the bottom end of the guide rod penetrates the bottom of the placement table, the surface of the output end of the standard cylinder and the guide rod is slidably connected with a moving plate, the bottom of the moving plate is fixedly connected with a movable block on both sides through bolts, one side of the bottom of the placement table is provided with a push cylinder, the output end of the push cylinder is fixedly connected with a push block, one side of the push block is fixedly connected with a movable block, the two sides of the placement table are provided with a pressing cylinder, the output shaft of the pressing cylinder is fixedly connected with a lower pressing block, the surface of the lower pressing block is provided with a lower pressing rod, the bottom of the two lower pressing rods is fixedly connected with a receiving rod, one side of the receiving rod is fixedly connected with three equally-spaced pressing blocks two through bolts, the center of the top of the placement table is fixedly connected with three equally-spaced positioning round tables one, one side of the three positioning round tables one is provided with a positioning round table two, the bottom of the positioning round table two is fixedly connected with the placement table, and one positioning round table one and one side positioning round table two form a group.

[0009] The surface of the positioning round table one and the positioning round table two is sleeved with a carbon steel main part, the two sides of the top of the carbon steel main part are provided with a carbon steel secondary part one, the top of the carbon steel main part is provided with a carbon steel secondary part two, the carbon steel secondary part two is located between the two carbon steel secondary parts one, the carbon steel secondary part one is located at the bottom of the pressing block one, and the carbon steel secondary part two is located at the bottom of the pressing block two.

[0010] Further, the top of the front standard air cylinder is fixedly connected with the movable block through bolts, and the top of the rear standard air cylinder is fixedly connected with the placing table through bolts.

[0011] Further, the bottom of the placing table is fixedly connected with the mounting block through bolts, and the bottom of the mounting block is fixedly connected with the working box through bolts.

[0012] Further, the bottom of the pressing air cylinder is fixedly connected with the fixed block one, one side of the top of the fixed block one is fixedly connected with the placing table through bolts, and the bottom of the receiving rod is provided with the guide block on both sides, and both sides of the guide block are fixedly connected with the placing table through bolts.

[0013] Further, one side of the top of the movable block is fixedly connected with the sliding block, the inner cavity of the sliding block is slidably connected with the guide rail, and the guide rail is fixedly connected with the placing table through bolts.

[0014] Further, the surface of the pushing air cylinder is fixedly connected with the two symmetrical fixed blocks two through bolts, and the top of the fixed block two is fixedly connected with the placing table through bolts.

[0015] Further, the bottom of the pressing block two is provided with a groove matched with the positioning circular table two and the carbon steel secondary part two.

[0016] Further, the bottom of the pressing block one and the pressing block two is fixedly connected with the magnet through bolts.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] The laser welding clamp for the door lock panel provided by the utility model adopts the air cylinder as the driving device, realizes the accurate clamping of the door lock panel, can realize the continuous clamping and fixing of the workpiece through the two independent clamping platforms, realizes the seamless connection in time, when one clamping platform is clamping the workpiece and welding through the laser welding gun head, the other clamping platform carries out the feeding and discharging operation, and prepares for the next welding period, the circulating working mode not only improves the welding efficiency, but also ensures the continuity of the welding process, effectively avoids the production stagnation caused by waiting for feeding and discharging, in addition, the technical scheme fully considers the shape and size of the door lock panel, can realize accurate positioning and stable clamping, effectively improves the welding precision and quality, secondly, the clamping force of the clamp can be flexibly adjusted through the air cylinder, so as to adapt to the door lock panels of different materials and thicknesses, avoids the damage of the workpiece or unstable welding caused by improper clamping, and ensures the reliability and consistency of the welding process. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the utility model.

[0020] Figure 2 It is a perspective view of the clamping structure of the utility model;

[0021] Figure 3 It is a perspective view of the clamping structure of the utility model from below;

[0022] Figure 4 It is a perspective view of the clamping structure of the utility model from below; Figure 1 ;

[0023] Figure 5 It is a perspective view of the clamping structure of the utility model from below;

[0024] Figure 6 It is a perspective view of the clamping structure of the utility model from below; Figure 2 .

[0025] In the figure: 1, work tank; 2, three-axis module; 3, laser welding gun head; 4, clamping structure; 41, placing table; 42, standard cylinder; 43, transmission plate; 44, connecting block; 45, compression block one; 46, guide rod; 47, moving plate; 48, movable block; 49, push cylinder; 410, push block; 411, compression cylinder; 412, lower compression block; 413, lower compression rod; 414, receiving rod; 415, compression block two; 416, positioning round table one; 417, positioning round table two; 5, mounting block; 6, fixed block one; 7, guide block; 8, sliding block; 9, guide rail; 10, fixed block two; 11, carbon steel main part; 12, carbon steel secondary part one; 13, carbon steel secondary part two. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] In order to solve the technical problems, as shown in Figures 1-6 The following preferred technical solutions are provided:

[0028] A laser welding clamp for a door lock panel, comprising a work tank 1, one side of the top of the work tank 1 is provided with a three-axis module 2, one end of the three-axis module 2 is provided with a laser welding gun head 3, the other side of the top of the work tank 1 is provided with two clamping structures 4, and the clamping structures 4 are located at the bottom of the laser welding gun head 3.

[0029] The clamping structure 4 comprises a placement table 41, both sides of the bottom of the placement table 41 are provided with standard air cylinders 42, the output ends of the standard air cylinders 42 penetrate through the top of the placement table 41 and are fixedly connected with transmission plates 43 through bolts, the top of each transmission plate 43 is fixedly connected with three connecting blocks 44 which are distributed at equal intervals, one side of each connecting block 44 is fixedly connected with a pressing block one 45, both sides of the bottom of each transmission plate 43 are fixedly connected with guide rods 46, the bottom ends of the guide rods 46 penetrate through the bottom of the placement table 41, the surfaces of the output ends of the standard air cylinders 42 and the guide rods 46 are slidably connected with moving plates 47, both sides of the bottom of each moving plate 47 are fixedly connected with movable blocks 48 through bolts, the top of the front standard air cylinder 42 is fixedly connected with the movable block 48 through a bolt, the top of the rear standard air cylinder 42 is fixedly connected with the placement table 41 through a bolt, one side of the bottom of the placement table 41 is provided with a pushing air cylinder 49, the output end of the pushing air cylinder 49 is fixedly connected with a pushing block 410, one side of the pushing block 410 is fixedly connected with one side movable block 48, both sides of the placement table 41 are provided with pressing air cylinders 411, the output shafts of the pressing air cylinders 411 are fixedly connected with pressing blocks 412, the surface of each pressing block 412 penetrates through a pressing rod 413, the bottom of each pressing rod 413 is fixedly connected with a supporting rod 414, one side of the supporting rod 414 is fixedly connected with three pressing block twos 415 which are distributed at equal intervals, the bottom of each pressing block one 45 and pressing block two 415 is fixedly connected with a magnet, the center of the top of the placement table 41 is fixedly connected with three positioning turntables ones 416 which are distributed at equal intervals, one side of each positioning turntable one 416 is provided with a positioning turntable two 417, the bottom of each positioning turntable two 417 is fixedly connected with the placement table 41, one positioning turntable one 416 and one side positioning turntable two 417 form a group.

[0030] The surfaces of the positioning turntable one 416 and the positioning turntable two 417 are sleeved with a carbon steel main part 11, both sides of the top of the carbon steel main part 11 are provided with carbon steel secondary parts one 12, the top of the carbon steel main part 11 is provided with a carbon steel secondary part two 13, the bottom of each pressing block two 415 is provided with a groove which is matched with the positioning turntable two 417 and the carbon steel secondary part two 13, the carbon steel secondary part two 13 is located between the two carbon steel secondary parts one 12, the carbon steel secondary part one 12 is located at the bottom of the pressing block one 45, and the carbon steel secondary part two 13 is located at the bottom of the pressing block two 415.

[0031] Specifically, the bottom of the placement table 41 is fixedly connected with mounting blocks 5 through bolts, and the bottom of each mounting block 5 is fixedly connected with the working box 1 through a bolt, which connects and fixes the placement table 41 and the working box 1, and ensures the stability of the connection between the placement table 41 and the working box 1.

[0032] Specifically, the bottom of the pressing cylinder 411 is fixedly connected with a fixed block one 6, one side of the top of the fixed block one 6 is fixedly connected with the placing table 41 through a bolt, both sides of the bottom of the bearing rod 414 are provided with guide blocks 7, both sides of the guide blocks 7 are fixedly connected with the placing table 41 through bolts; through the cooperation of the fixed block one 6 and the guide blocks 7, firstly, the fixed block one 6 plays a role of installing and fixing the pressing cylinder 411, and secondly, the guide blocks 7 play a role of guiding and limiting the bearing rod 414.

[0033] Specifically, one side of the top of the movable block 48 is fixedly connected with a sliding block 8, the inner cavity of the sliding block 8 is slidingly connected with a guide rail 9, and the guide rail 9 is fixedly connected with the placing table 41 through a bolt; through the cooperation of the sliding block 8 and the guide rail 9, a role of guiding the movable block 48 is played, and the moving track of the movable block 48 is ensured.

[0034] Specifically, the surface of the pushing cylinder 49 is fixedly connected with two symmetrically arranged fixed blocks two 10 through bolts, and the top of the fixed blocks two 10 is fixedly connected with the placing table 41 through a bolt; through the arrangement of the fixed blocks two 10, a role of installing and fixing the pushing cylinder 49 is played, and the stability of the pushing cylinder 49 during operation is ensured.

[0035] Working principle: the user sets the carbon steel main part 11 on the surface of the positioning table one 416 and the positioning table two 417, determines the position of the carbon steel main part 11, and then determines the position of the carbon steel secondary part one 12 and the carbon steel secondary part two 13 for welding with the carbon steel main part 11. Then the carbon steel secondary part one 12 and the carbon steel secondary part two 13 are connected with the pressing block one 45 and the pressing block two 415 respectively through the magnet. The pressing cylinder 411 is turned on, the output end of the pressing cylinder 411 drives the lower pressing block 412 to move downward, the lower pressing block 412 drives the pressing block two 415 to move downward through the connecting rod 414, and the pressing block two 415 drives the carbon steel secondary part two 13 to contact or abut against the carbon steel main part 11. Then the pressing cylinder 411 is turned off, the pushing cylinder 49 is turned on, the output end of the pushing cylinder 49 drives the pushing block 410 to move, the pushing block 410 drives the one side guide rod 46 and the moving plate 47 to move, the moving plate 47 drives the one side standard cylinder 42 to move, the one side standard cylinder 42 and the guide rod 46 drive the one side transmission plate 43 to move, the one side transmission plate 43 drives the pressing block one 45 to move through the connecting block 44, the one side pressing block one 45 drives the carbon steel secondary part one 12 fixedly connected thereto to move to the appropriate position, and then the pushing cylinder 49 is turned off. The standard cylinder 42 is turned on, the output end of the standard cylinder 42 pulls the transmission plate 43 to move downward, the transmission plate 43 drives the guide rod 46 to slide downward, the transmission plate 43 drives the pressing block one 45 to move downward through the connecting block 44, and the pressing block one 45 drives the carbon steel secondary part one 12 to move downward to contact or abut against the carbon steel main part 11. Then the standard cylinder 42 is turned off, the three-axis module 2 and the laser welding gun head 3 are turned on, the three-axis module 2 drives the laser welding gun head 3 to weld the carbon steel main part 11, the carbon steel secondary part one 12 and the carbon steel secondary part two 13, and then the pressing cylinder 411 and the standard cylinder 42 are turned on again. The output ends of the pressing cylinder 411 and the standard cylinder 42 push upward, and through the cooperation of the above-mentioned related parts, the pressing block one 45 and the pressing block two 415 move away from the carbon steel secondary part one 12 and the carbon steel secondary part two 13.

[0036] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying that there is any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0037] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A laser welding fixture for a door lock panel comprising a work tank (1), characterized in that: The side of the top of the working box (1) is provided with a three-axis module (2), one end of the three-axis module (2) is provided with a laser welding gun head (3), the other side of the top of the working box (1) is provided with two clamping structures (4), and the clamping structure (4) is located at the bottom of the laser welding gun head (3); The clamping structure (4) comprises a placement table (41), both sides of the bottom of the placement table (41) are provided with standard air cylinders (42), the output end of the standard air cylinder (42) penetrates to the top of the placement table (41) and is fixedly connected with a transmission plate (43) through bolts, the top of the transmission plate (43) is fixedly connected with three equally spaced connecting blocks (44), one side of the connecting block (44) is fixedly connected with a pressing block one (45), both sides of the bottom of the transmission plate (43) are fixedly connected with guide rods (46), the bottom end of the guide rod (46) penetrates to the bottom of the placement table (41), the surfaces of the output end of the standard air cylinder (42) and the guide rod (46) are slidably connected with a moving plate (47), both sides of the bottom of the moving plate (47) are fixedly connected with movable blocks (48) through bolts, one side of the bottom of the placement table (41) is provided with a push air cylinder (49), the output end of the push air cylinder (49) is fixedly connected with a push block (410), one side of the push block (410) is fixedly connected with a movable block (48), both sides of the placement table (41) are provided with pressing air cylinders (411), the output shaft of the pressing air cylinder (411) is fixedly connected with a pressing block (412), the surface of the pressing block (412) is provided with a pressing rod (413), the bottoms of the two pressing rods (413) are fixedly connected with receiving rods (414), one side of the receiving rod (414) is fixedly connected with three equally spaced pressing blocks two (415) through bolts, the top of the placement table (41) is fixedly connected with three equally spaced positioning circular tables one (416) at the center, one side of each of the three positioning circular tables one (416) is provided with a positioning circular table two (417), the bottom of the positioning circular table two (417) is fixedly connected with the placement table (41), and one positioning circular table one (416) and one positioning circular table two (417) form a group; The surfaces of a group of the positioning circular table one (416) and the positioning circular table two (417) are sleeved with a carbon steel main part (11), both sides of the top of the carbon steel main part (11) are provided with carbon steel secondary parts one (12), the top of the carbon steel main part (11) is provided with a carbon steel secondary part two (13), the carbon steel secondary part two (13) is located between the two carbon steel secondary parts one (12), the carbon steel secondary part one (12) is located at the bottom of the pressing block one (45), and the carbon steel secondary part two (13) is located at the bottom of the pressing block two (415).

2. A laser welding fixture for a door lock bezel as defined in claim 1, wherein: The top of the front standard air cylinder (42) is fixedly connected with the movable block (48) through bolts, and the top of the rear standard air cylinder (42) is fixedly connected with the placement table (41) through bolts.

3. A laser welding fixture for a door lock bezel as defined in claim 1, wherein: The four corners of the bottom of the placing table (41) are fixedly connected with mounting blocks (5) through bolts, and the bottom of the mounting block (5) is fixedly connected with the working box (1) through bolts.

4. The laser welding fixture for a door lock bezel of claim 1, wherein: The bottom of the pressing cylinder (411) is fixedly connected with a fixed block one (6), one side of the top of the fixed block one (6) is fixedly connected with the placing table (41) through bolts, and the bottom of the receiving rod (414) is provided with guide blocks (7) on both sides.

5. A laser welding fixture for a door lock bezel as defined in claim 1, wherein: One side of the top of the movable block (48) is fixedly connected with a sliding block (8), the inner cavity of the sliding block (8) is slidingly connected with a guide rail (9), and the guide rail (9) is fixedly connected with the placing table (41) through bolts.

6. A laser welding fixture for a door lock bezel as defined in claim 1, wherein: The surface of the pushing cylinder (49) is fixedly connected with two symmetrically arranged fixed block twos (10) through bolts, and the top of the fixed block two (10) is fixedly connected with the placing table (41) through bolts.

7. A laser welding fixture for a door lock bezel as defined in claim 1, wherein: The bottom of the pressing block two (415) is provided with a groove matched with the positioning circular table two (417) and the carbon steel secondary part two (13).

8. The laser welding fixture for a door lock bezel of claim 1, wherein: The bottom of the pressing block one (45) and the pressing block two (415) are fixedly connected with magnets through bolts.