Adjustable welding fixture
By designing an adjustable welding fixture including clamps, screws and servo motors, the problem that existing welding fixtures cannot be adjusted is solved, and high-precision clamping and flexible adjustment are achieved, which improves production efficiency and reduces costs.
Patent Information
- Application Number
- CN202421460992.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-24
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-06-24
AI Technical Summary
The existing welding fixtures are fixedly installed and cannot be adjusted at will, resulting in the need to redesign the fixtures or fixture installation structure after the body welding parts are changed, which wastes labor time and increases production costs.
An adjustable welding fixture including parallel clamps, screw rods and servo motors is designed. Through the cooperation of the screw rods and servo motors, flexible adjustment of the clamping jaws and high-precision clamping are achieved.
It realizes flexible adjustment of jaws and high-precision clamping, improves the adjustment freedom and accuracy of welding fixtures, and reduces production waste and cost increase caused by part changes.
Smart Images
Figure CN222806389U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of welding, in particular to an adjustable welding fixture. Background Art
[0002] The car body is made up of various types of small parts that are welded step by step in layers. In order to ensure the accuracy of the welded assembly formed after welding, the welding workshop of the car often uses welding fixtures to position and clamp each welded part, and cooperate with robots to weld. Usually, the welding fixture is fixedly installed on the base, and its clamping position cannot be adjusted at will. If the welding parts of the car body are changed, it may be necessary to redesign the fixture or the fixture installation structure, which not only wastes working hours, but also leads to an increase in production costs. Therefore, it is necessary to design a new adjustable welding fixture. Utility Model Content
[0003] The utility model aims to provide an adjustable welding fixture, which is used to solve the problem that the fixture or the fixture installation structure needs to be redesigned after the welding parts of the vehicle body are modified.
[0004] The technical solution adopted by the utility model to solve its technical problems is:
[0005] An adjustable welding fixture comprises a first clamping plate and a second clamping plate arranged in parallel, the first clamping plate being provided with a first threaded hole and a first through hole, the second clamping plate being provided with a second threaded hole and a second through hole, the first threaded hole being threadedly connected to a first screw rod, and the second threaded hole being threadedly connected to a second screw rod; the first screw rod is parallel to the second screw rod, the first screw rod passes through the second through hole and is movably connected to the second through hole, and the second screw rod passes through the first through hole and is movably connected to the first through hole.
[0006] Furthermore, the first clamping plate is provided with a first clamping jaw, the second clamping plate is provided with a second clamping jaw, and the first clamping jaw and the second clamping jaw are provided correspondingly.
[0007] Furthermore, a group of mounting plates are arranged in parallel on both sides of the first clamping plate and the second clamping plate, and both ends of the first screw rod and the second screw rod are rotatably connected to the mounting plates.
[0008] Furthermore, both ends of the first screw rod and the second screw rod are rotatably connected to the mounting plate through bearings.
[0009] Furthermore, guide rods are fixedly connected to both sides of the mounting plate, the guide rods pass through the first clamping plate and the second clamping plate, the guide rods are slidably connected to the first clamping plate and the second clamping plate, and the guide rods are parallel to the first screw rod and the second screw rod.
[0010] Furthermore, the mounting plate is provided with a plurality of groups of mounting holes.
[0011] Furthermore, the first screw rod and the second screw rod are respectively connected to a group of servo motors.
[0012] The beneficial effects of the utility model are as follows: the adjustable welding fixture of the utility model can adjust the jaws to different positions by arranging two sets of clamping plates and the cooperation of the screw rods, and can clamp the jaws by the opposite movement of the two screw rods, which not only has a high degree of adjustment freedom, but also has a high adjustment accuracy.
[0013] The present invention will be described in more detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 The utility model is a structural diagram of an adjustable welding fixture. DETAILED DESCRIPTION
[0015] like Figure 1 An adjustable welding fixture is shown, comprising a first clamping plate 1 and a second clamping plate 2 arranged in parallel, the first clamping plate 1 being provided with a first threaded hole 11 and a first through hole 12, the first through hole 12 being without threads; the second clamping plate 2 being provided with a second threaded hole 21 and a second through hole 22, the second through hole 22 being without threads; the first threaded hole 11 is threadedly connected to the first screw rod 3, and the second threaded hole 21 is threadedly connected to the second screw rod 4; the first screw rod 3 is parallel to the second screw rod 4, the first screw rod 3 passes through the second through hole 22 and is movably connected to the second through hole 22, and the second screw rod 4 passes through the first through hole 12 and is movably connected to the first through hole 12.
[0016] Preferably, in combination with the above scheme, in order to facilitate clamping of automobile welding parts, the first clamping plate 1 is provided with a first clamping jaw 13, and the second clamping plate 2 is provided with a second clamping jaw 23, and the first clamping jaw 13 and the second clamping jaw 23 are correspondingly arranged.
[0017] Preferably, in combination with the above scheme, in order to facilitate the assembly with the base, as well as the assembly of the screw rod and the guide rod, a group of mounting plates 5 are respectively arranged in parallel on both sides of the first clamping plate 1 and the second clamping plate 2, and both ends of the first screw rod 3 and the second screw rod 4 are rotatably connected to the mounting plates 5.
[0018] Preferably, in combination with the above solution, in order to facilitate the rotation of the two ends of the screw rod, both ends of the first screw rod 3 and the second screw rod 4 are rotatably connected to the mounting plate 5 through bearings.
[0019] Preferably, in combination with the above scheme, in order to facilitate sliding guiding and ensure the stability of the movement of the first clamping plate 1 and the second clamping plate 2, guide rods 6 are fixedly connected on both sides of the mounting plate 5, and the guide rods 6 pass through the first clamping plate 1 and the second clamping plate 2. The guide rods 6 are slidably connected to the first clamping plate 1 and the second clamping plate 2, and the guide rods 6 are parallel to the first screw rod 3 and the second screw rod 4.
[0020] Preferably, in combination with the above solution, in order to facilitate fixing through screw connection and the base, a plurality of groups of mounting holes are provided on the mounting plate 5.
[0021] Preferably, in combination with the above solution, in order to more accurately drive the screw to rotate, the first screw 3 and the second screw 4 are respectively connected to a set of servo motors. The first screw 3 and the second screw 4 can be fixedly connected to the rotating shaft of the servo motor through a coupling.
[0022] Principle of the utility model:
[0023] The first screw rod 3 and the second screw rod 4 can be driven to rotate respectively by two sets of servo motors, so as to move the first clamping plate 1 or the second clamping plate 2 to different clamping positions individually; when the rotating shafts of the two sets of servo motors rotate in opposite directions, the first clamping plate 1 and the second clamping plate 2 can be driven to move relative to or towards each other, so as to realize the clamping and loosening of the clamping jaws.
[0024] In the description of the present invention, it should be understood that terms such as "upper", "lower", "front", "back", "left", "right", "bottom", "inside", "outside", "one end", "one side", "two ends", "both sides", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0025] The utility model is described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the utility model, or they are directly applied to other occasions, they all fall within the protection scope of the utility model.
Claims
1. An adjustable welding fixture, characterized in that: The invention comprises a first clamping plate (1) and a second clamping plate (2) which are arranged in parallel, wherein the first clamping plate (1) is provided with a first threaded hole (11) and a first through hole (12), and the second clamping plate (2) is provided with a second threaded hole (21) and a second through hole (22), wherein the first threaded hole (11) is threadedly connected to the first screw rod (3), and the second threaded hole (21) is threadedly connected to the second screw rod (4); the first screw rod (3) is parallel to the second screw rod (4), the first screw rod (3) passes through the second through hole (22) and is movably connected to the second through hole (22), and the second screw rod (4) passes through the first through hole (12) and is movably connected to the first through hole (12).
2. The adjustable welding fixture according to claim 1, characterized in that: The first clamping plate (1) is provided with a first clamping jaw (13), and the second clamping plate (2) is provided with a second clamping jaw (23), and the first clamping jaw (13) and the second clamping jaw (23) are arranged correspondingly.
3. The adjustable welding fixture according to claim 1, characterized in that: A group of mounting plates (5) are respectively arranged in parallel on both sides of the first clamping plate (1) and the second clamping plate (2), and both ends of the first screw rod (3) and the second screw rod (4) are rotatably connected to the mounting plates (5).
4. The adjustable welding fixture according to claim 3 is characterized in that: Both ends of the first screw rod (3) and the second screw rod (4) are rotatably connected to the mounting plate (5) via bearings.
5. The adjustable welding fixture according to claim 3, characterized in that: Guide rods (6) are fixedly connected to both sides of the mounting plate (5); the guide rods (6) pass through the first clamping plate (1) and the second clamping plate (2); the guide rods (6) are slidably connected to the first clamping plate (1) and the second clamping plate (2); and the guide rods (6) are parallel to the first screw rod (3) and the second screw rod (4).
6. The adjustable welding fixture according to claim 3, characterized in that: The mounting plate (5) is provided with a plurality of groups of mounting holes.
7. The adjustable welding fixture according to claim 1, characterized in that: The first screw rod (3) and the second screw rod (4) are respectively connected to a group of servo motors.