Automobile door lock welding clamp
The automobile door lock welding fixture is fixed by a motor-driven cam and spring with a clamp block, and the position is adjusted by an electric telescopic rod. It solves the problems of position offset and loose welding caused by external force interference of traditional fixtures, and achieves high-precision and high-reliability welding effects.
Patent Information
- Application Number
- CN202422796950.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-18
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-11-18
AI Technical Summary
Traditional automobile door lock welding fixtures are prone to position displacement due to external interference or vibration, resulting in uneven welds and insufficient strength. The lack of an effective pressure-applying device leads to loose welding, which may cause cracking, loosening and other problems, affecting product reliability.
The automobile door lock welding fixture includes a fixing mechanism and a welding mechanism. The motor drives the cam and spring to cooperate with the clamping block to fix the door lock accessories. The electric telescopic rod is used to adjust the position and the welding rod is used to stabilize the welded parts to ensure stable position and tight fit during the welding process.
Effectively reduce the problems of uneven welds and insufficient strength, improve welding accuracy and product reliability, prevent subsequent cracking and loosening, and improve welding quality and stability.
Smart Images
Figure CN223418727U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile door lock processing, specifically is a kind of automobile door lock welding fixture. BACKGROUND
[0002] In the booming development of automobile industry today, automobile door lock as important part of guaranteeing vehicle safety, its welding quality is crucial, with the continuous progress of automobile manufacturing technology, automobile door lock design is more and more diversified and complex, there is big difference in shape, size, material and other aspects of the automobile door lock of different vehicle models, this is higher requirement to welding fixture, to meet the production needs of different vehicle models, welding fixture needs to have higher universality and flexibility, can quickly adapt to the welding requirement of different door locks, therefore, there is an urgent need for a kind of automobile door lock welding fixture in market.
[0003] But prior art still has the following problems:
[0004] First, the fixed mode of traditional welding fixture is mostly single, usually only rely on simple mechanical structure to fix, in the welding process, once subjected to external interference or vibration, door lock accessory is easy to appear position deviation, possibly lead to uneven weld, insufficient strength and other problems.
[0005] Second, the traditional welding mechanism mostly lacks effective pressure applying device when welding, which makes door lock accessory not closely fit in the welding process, and easily produce gap, which may appear cracking, loosening and other situations in subsequent use, affect the reliability of product.
[0006] In view of the above problems, the inventor proposes an automobile door lock welding fixture to solve the above problems. CONTENT OF UTILITY MODEL
[0007] In order to solve the problem that may lead to uneven weld, insufficient strength and other problems and may appear cracking, loosening and other situations in subsequent use, affect the reliability of product;The utility model aims at providing an automobile door lock welding fixture.
[0008] In order to solve the above technical problems, the utility model adopts the following technical solutions: a car door lock welding fixture, comprising a base plate, the top of the base plate is fixedly connected to a supporting frame, the lower inner wall of the supporting frame is fixedly connected to a welding mechanism, the top of the base plate is fixedly connected to a fixing mechanism, the fixing mechanism comprises a fixing frame fixedly connected to the base plate, the bottom end of the fixing frame is provided with a motor, the bottom end of the motor is fixedly connected to the top end of the base plate to improve the stability of the device, the output end of the motor passes through the fixing frame and is fixedly connected to a cam, one side of the top end of the fixing frame is fixedly connected to a first clamping block, and the other side of the top end of the fixing frame is slidably connected to a second clamping block. The bottom end of the second clamping block is fixedly connected to the sliding block, and the top end of the fixing frame is provided with a sliding groove for cooperating with the sliding block, one end of the cam is in contact with one end of the second clamping block, and one end of the second clamping block is fixedly connected to the moving rod, and the outer surface of the moving rod is wrapped with a first spring, and the two ends of the first spring are respectively fixedly connected to the end corresponding to the second clamping block and the limit plate, and the outer surface of the moving rod is movably sleeved with the limit plate, and the bottom end of the limit plate is fixedly connected to the top end of the fixing frame, and the ends corresponding to the first clamping block and the second clamping block are both provided with a clamping groove, the inner surfaces of the two clamping grooves are both provided with soft pads, and the inner surfaces of the two clamping grooves are jointly provided with door lock accessories.
[0009] Preferably, the welding mechanism includes a plurality of electric telescopic rods fixedly connected to the lower inner wall of the support frame, the bottom ends of the plurality of electric telescopic rods are commonly fixedly connected to a lifting plate, one side of the bottom end of the lifting plate is fixedly connected to a plurality of welding rods, the other side of the bottom end of the lifting plate is fixedly connected to an outer rod, the inner surface of the outer rod is slidably connected to the inner rod, the bottom end of the inner rod is fixedly connected to a butt plate, and the welded parts are sleeved on the door lock accessories, the butt plate is used to fix the welded parts, the outer surface of the inner rod is fixedly connected to a limiting block, the inner surface of the outer rod is provided with a limiting groove for cooperating with the limiting block, and the top end of the inner rod is fixedly connected to a second spring.
[0010] Compared with the prior art, the beneficial effects of the present invention are:
[0011] 1. This utility model provides a fixing mechanism. With the motor driving the cam to rotate and the two first springs driving the second clamping block to reset, it can effectively fix the automobile door lock parts that need to be welded, thereby effectively reducing the problems of uneven welds and insufficient strength.
[0012] 2. The utility model sets a welding mechanism. Under the action of the electric telescopic rod driving the inner rod and the outer rod to descend, the position of the door lock accessories can be stabilized during the welding process, thereby effectively reducing the possibility of cracking, loosening, etc. in subsequent use, thereby improving the reliability of the product. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0014] Figure 1 This is a schematic structural diagram of the utility model.
[0015] Figure 2 This is a schematic diagram of the fixing mechanism of the present utility model.
[0016] Figure 3 This is an exploded view of the first clamping block and the second clamping block of the utility model.
[0017] Figure 4 This is a schematic diagram of the welding mechanism of the present utility model.
[0018] Figure 5 This is a schematic cross-sectional view of the outer rod of the utility model.
[0019] In the figure: 1. Base plate; 2. Support frame; 3. Welding mechanism; 4. Fixing mechanism; 11. Fixing frame; 12. Slide groove; 13. Cam; 14. Door lock accessories; 15. First clamping block; 16. Second clamping block; 17. First spring; 18. Moving rod; 19. Limiting plate; 20. Motor; 31. Cushion; 32. Clamping groove; 33. Slider; 41. Abutment plate; 42. Inner rod; 43. Outer rod; 44. Lifting plate; 45. Welding rod; 46. Electric telescopic rod; 51. Limiting groove; 52. Second spring; 53. Limiting block. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0021] Example: Figure 1-5The utility model provides a kind of automobile door lock welding fixture shown, including bottom plate 1, the top end of bottom plate 1 is fixedly connected with support frame 2, the lower inner wall of support frame 2 is fixedly connected with welding mechanism 3, the top end of bottom plate 1 is fixedly connected with fixed mechanism 4, fixed mechanism 4 includes the fixed frame 11 fixedly connected with bottom plate 1, the bottom end of fixed frame 11 is equipped with motor 20, the output end of motor 20 is penetrated through fixed frame 11 and is fixedly connected with cam 13, the one side of fixed frame 11 top end is fixedly connected with first clamping block 15, the other side of fixed frame 11 top end is slidably connected with second clamping block 16, the bottom end of second clamping block 16 is fixedly connected with sliding block 33, the top end of fixed frame 11 is equipped with the sliding slot 12 used in cooperation with sliding block 33, the movement of second clamping block 16 can be provided with stable orientation, ensure that second clamping block 16 can smoothly slide in the process of clamping door lock accessory 14, cannot appear deviation or shaking condition, to improve the stability and reliability of fixture to the fixation of door lock accessory 14, one end of cam 13 and one end of second clamping block 16 are inlaid, one end of second clamping block 16 is fixedly connected with moving rod 18, first spring 17 is around the outer surface of moving rod 18, the both ends of first spring 17 are fixedly connected with the one end of second clamping block 16 and limiting plate 19 respectively, when cam 13 promotes second clamping block 16 and clamps door lock accessory 14, first spring 17 is compressed, can prevent that clamping force is too large and damages door lock accessory 14;When the clamping force is reduced by the rotation of cam 13, the elasticity of first spring 17 can also promote second clamping block 16 to maintain certain clamping force to door lock accessory 14, ensure that door lock accessory 14 is not loose in the welding process, improve the precision and quality of welding, the outer surface of moving rod 18 is movably connected with limiting plate 19, the bottom end of limiting plate 19 is fixedly connected with the top end of fixed frame 11, the one end of first clamping block 15 and second clamping block 16 is equipped with clamping groove 32, the inner surface of two clamping grooves 32 is equipped with soft pad 31, soft pad 31 can avoid that clamping block and door lock accessory 14 are directly contacted, prevent that clamping block causes scratch or damage to the surface of door lock accessory 14, ensure the appearance quality of door lock accessory 14, the inner surface of two clamping grooves 32 is equipped with door lock accessory 14.
[0022] The welding mechanism 3 comprises a plurality of electric telescopic rods 46 fixedly connected with the lower inner wall of the support frame 2, the bottom ends of the plurality of electric telescopic rods 46 are fixedly connected with a lifting plate 44, one side of the bottom end of the lifting plate 44 is fixedly connected with a plurality of welding rods 45, the other side of the bottom end of the lifting plate 44 is fixedly connected with an outer rod 43, the inner surface of the outer rod 43 is slidably connected with an inner rod 42, the bottom end of the inner rod 42 is fixedly connected with an abutting plate 41, when the welding rod 45 performs the welding operation, the abutting plate 41 can prevent the welded part from being deformed or displaced due to the welding stress, thereby improving the welding precision and quality, the outer surface of the inner rod 42 is fixedly connected with a limiting block 53, the inner surface of the outer rod 43 is provided with a limiting groove 51 matched with the limiting block 53, which can limit the movement range of the inner rod 42 in the outer rod 43, prevent the inner rod 42 from excessively extending or retracting to affect the normal work of the welding fixture, the top end of the inner rod 42 is fixedly connected with a second spring 52, the top end of the second spring 52 is fixedly connected with the upper inner wall of the outer rod 43, when the inner rod 42 is moved upward under the action of external force, the second spring 52 is compressed to store elastic potential energy, when the external force disappears, the elastic force of the second spring 52 can promote the inner rod 42 to return to the initial position, thereby preparing for the next welding operation.
[0023] Working principle: first, the door lock accessory 14 is placed in the clamping groove 32 of the first clamping block 15, then the motor 20 is started, the output end of the motor 20 drives the cam 13 to rotate, the cam 13 constantly pushes the second clamping block 16 abutting with one end thereof during rotation, with the pushing of the cam 13, the second clamping block 16 gradually approaches the first clamping block 15, at this time, the soft pad 31 on the inner surface of the clamping groove 32 plays a role to avoid the direct hard contact between the clamping block and the door lock accessory 14, thereby preventing scratching or damage to the surface of the door lock accessory 14, when the cam 13 continues to rotate to reduce the pushing force on the second clamping block 16, the elastic force of the first spring 17 promotes the second clamping block 16 to maintain the clamping force on the door lock accessory 14, thereby ensuring that the door lock accessory 14 does not loosen during the welding process, thereby improving the welding precision and quality, then the parts to be welded are sleeved on the door lock accessory 14;
[0024] Multiple electric telescopic rods 46 can extend or contract according to welding requirements, thereby adjusting the height of the lifting plate 44. When welding operation is required, the electric telescopic rods 46 extend to drive the lifting plate 44 to descend to a suitable position. The welding rod 45 on one side of the bottom end of the lifting plate 44 performs welding operations on the clamped door lock accessories 14. During the descent of the lifting plate 44, the abutment plate 41 at the bottom end of the inner rod 42 inside the outer rod 43 on the other side of its bottom end first contacts the welded parts. When the welding rod 45 performs welding operation, the abutment plate 41 can prevent the welded parts from being deformed or shifted due to welding stress, thereby improving the accuracy and quality of welding. The limit block 53 on the outer surface of the inner rod 42 cooperates with the limit groove 51 on the inner surface of the outer rod 43 to limit the movement range of the inner rod 42 in the outer rod 43, preventing the inner rod 42 from excessively extending or retracting and affecting the normal operation of the welding fixture. At the same time, when the inner rod 42 moves upward under the action of external force, the second spring 52 fixedly connected to its top end is compressed to store elastic potential energy. When the external force disappears, the elastic force of the second spring 52 can prompt the inner rod 42 to return to its initial position, preparing for the next welding operation.
[0025] Obviously, those skilled in the art may make various modifications and variations to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations.
Claims
1. A car door lock welding fixture, comprising a base plate (1), characterized in that: The top end of the base plate (1) is fixedly connected to a support frame (2), the lower inner wall of the support frame (2) is fixedly connected to a welding mechanism (3), and the top end of the base plate (1) is fixedly connected to a fixing mechanism (4); The fixing mechanism (4) comprises a fixing frame (11) fixedly connected to the bottom plate (1), a motor (20) is provided at the bottom end of the fixing frame (11), an output end of the motor (20) passes through the fixing frame (11) and is fixedly connected to a cam (13), a first clamping block (15) is fixedly connected to one side of the top end of the fixing frame (11), a second clamping block (16) is slidably connected to the other side of the top end of the fixing frame (11), and one end of the cam (13) is in contact with one end of the second clamping block (16). One end of the second clamping block (16) is fixedly connected to a moving rod (18), an outer surface of the moving rod (18) is wound with a first spring (17), an outer surface of the moving rod (18) is movably sleeved with a limit plate (19), the bottom end of the limit plate (19) is fixedly connected to the top end of the fixing frame (11), and a clamping groove (32) is provided at one end corresponding to the first clamping block (15) and the second clamping block (16), and a door lock accessory (14) is provided on the inner surface of the two clamping grooves (32).
2. The automobile door lock welding fixture according to claim 1, characterized in that: The welding mechanism (3) comprises a plurality of electric telescopic rods (46) fixedly connected to the lower inner wall of the support frame (2), the bottom ends of the plurality of electric telescopic rods (46) being fixedly connected to a lifting plate (44), a plurality of welding rods (45) being fixedly connected to one side of the bottom end of the lifting plate (44), an outer rod (43) being fixedly connected to the other side of the bottom end of the lifting plate (44), an inner rod (42) being slidably connected to the inner surface of the outer rod (43), and a second spring (52) being fixedly connected to the top end of the inner rod (42).
3. The automobile door lock welding fixture according to claim 1, characterized in that: The bottom end of the second clamping block (16) is fixedly connected to a slider (33), and the top end of the fixing frame (11) is provided with a sliding groove (12) used in conjunction with the slider (33).
4. The automobile door lock welding fixture according to claim 1, characterized in that: The two ends of the first spring (17) are respectively fixedly connected to the second clamping block (16) and the corresponding end of the limiting plate (19).
5. The automobile door lock welding fixture according to claim 1, characterized in that: The inner surfaces of the two clamping grooves (32) are both provided with soft pads (31).
6. The automobile door lock welding fixture according to claim 2, characterized in that: The bottom end of the inner rod (42) is fixedly connected to a support plate (41).
7. The automobile door lock welding fixture according to claim 2, characterized in that: The outer surface of the inner rod (42) is fixedly connected to a limiting block (53), and the inner surface of the outer rod (43) is provided with a limiting groove (51) used in conjunction with the limiting block (53).
8. The automobile door lock welding fixture according to claim 2, characterized in that: The top end of the second spring (52) is fixedly connected to the upper inner wall of the outer rod (43).