Semi-automatic pre-welding polishing device
By designing a semi-automatic pre-welding grinding device and adopting fixture and tracking beam technology, the problem of uneven speed and force in manual grinding was solved, thereby improving grinding quality and efficiency.
Patent Information
- Application Number
- CN202520008093.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-03
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-03
AI Technical Summary
In the manufacturing process of rail passenger vehicles, manual hand-held grinding tools for pre-welding grinding have problems such as long grinding time, high labor costs, and uneven grinding force and speed, resulting in poor grinding quality.
A semi-automatic pre-welding grinding device was designed. The device uses a clamp to hold the grinding tool, and utilizes a tracking beam and omnidirectional wheels to achieve precise movement of the vehicle body. Combined with the omnidirectional rotation of the robotic arm, it achieves precise control of the grinding range and uniform force.
It improves the quality and efficiency of polishing, solves the problem of uneven movement speed and force when polishing by hand, and achieves precision and versatility in the polishing range.
Smart Images

Figure CN223719225U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to track vehicle group welding process polishing auxiliary frock technical field especially relates to a kind of semi-automatic pre-welding polishing device. BACKGROUND
[0002] Currently, in the previous track passenger train manufacturing process, aluminum alloy parts enter group before synthetic welding procedure, and manual polishing tool is used for pre-welding polishing, there are problems such as long polishing time, high labor cost, and there is greater optimization space in polishing consistency, polishing speed uniformity and polishing range accuracy, especially in transverse movement, transverse movement speed is not uniform, which can seriously lead to uneven polishing intensity, and reduces polishing quality.
[0003] Therefore, to solve the above problems, the utility model provides a kind of semi-automatic pre-welding polishing device which can follow trajectory and polish uniformly and effectively. UTILITY MODEL CONTENT
[0004] The utility model aims at overcoming the defects of prior art, and provides a kind of semi-automatic pre-welding polishing device, to solve the problem of uneven speed and intensity of manual polishing, leading to poor polishing quality.
[0005] In order to achieve the above purpose, the utility model provides the following technical scheme:
[0006] The utility model discloses a kind of semi-automatic pre-welding polishing device, comprising:
[0007] Clamp, it is used to clamp polishing tool;
[0008] Vehicle body, it is used to carry the clamp, the vehicle body bottom is equipped with universal wheel;
[0009] Tracking beam, it is fixedly connected with the vehicle body, the tracking beam end away from the vehicle body is fixedly connected with the positioning plate perpendicular to its length direction axis, wherein, the tracking beam end and the positioning plate are equipped with universal wheel, for respectively with the two surfaces adjacent to workpiece non-polishing side contact, so that the vehicle body is tracked by tracking beam and walks.
[0010] Further, the tracking beam that can be extended or retracted is welded on the both sides of the upper surface of the vehicle body.
[0011] Further, the tracking beam includes a plurality of aluminum profile beam bodies sequentially sleeved and connected, and equal-distance positioning holes are formed on adjacent two aluminum profile beam bodies.
[0012] Further, the base is fixedly connected on the upper surface of the vehicle body, and the clamp is fixedly connected to the base by bolts.
[0013] Further, the clamp is a mechanical arm with a clamping jaw.
[0014] In the above technical solution, the semi-automatic pre-welding polishing device has the beneficial effects that:
[0015] The semi-automatic pre-welding polishing device has the following advantages: firstly, the vehicle body is in contact with two surfaces adjacent to the non-polishing side of the workpiece through the universal wheels at the ends of the tracking beam and the positioning plate, so that the vehicle body moves at a uniform speed through the tracking beam, and the movement speed of the vehicle body can be accurately controlled, effectively solving the problems of uneven movement speed and uneven force during handheld polishing; the tracking beam can be adjusted in length for tracking navigation, the polishing range is accurate, and the polishing effect is good, effectively improving the polishing quality and efficiency;
[0016] Secondly, the clamp is used instead of handheld clamping and polishing tools for semi-automatic polishing, effectively avoiding the phenomenon that the uneven polishing force of the handheld polishing tool is uneven in the longitudinal direction, and the clamp can be universally used for polishing needs in different directions and different scenes. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art based on these drawings.
[0018] Figure 1 is a working state isometric view of the semi-automatic pre-welding polishing device disclosed by the present application;
[0019] Figure 2 is an isometric view of the semi-automatic pre-welding polishing device disclosed by the present application;
[0020] Figure 3 is a front view of the semi-automatic pre-welding polishing device disclosed by the present application.
[0021] BRIEF DESCRIPTION OF DRAWINGS
[0022] 1, polishing tool; 2, clamp; 3, vehicle body; 4, universal wheel; 5, tracking beam; 6, positioning plate; 7, positioning hole; 8, positioning pin; 9, base. DETAILED DESCRIPTION
[0023] In order to make those skilled in the art better understand the technical solutions of the present application, the present application will be further described in detail below with reference to the drawings.
[0024] Referring to Figure 1 ,2 as shown;
[0025] The utility model relates to a kind of semi-automatic pre-welding polishing device, comprising: clamp 2, vehicle body 3, tracking beam 5;
[0026] Clamp 2 is used to clamp polishing tool 1;
[0027] Vehicle body 3 is used to carry clamp 2, and the bottom of vehicle body 3 is equipped with universal wheel 4;
[0028] Tracking beam 5 is fixedly connected with vehicle body 3, and the end of tracking beam 5 away from vehicle body 3 is fixedly connected with positioning plate 6 perpendicular to its length direction axis, wherein, tracking beam 5 terminal and positioning plate 6 are all equipped with universal wheel 4, for respectively contacting with the surface adjacent to the non-polishing side of workpiece, so that vehicle body 3 can track walking through tracking beam 5, that is, tracking beam 5 is abutted with the upper surface and side surface of the non-polishing side of workpiece, and universal wheel is in rolling contact with the two surfaces, and vehicle body 3 can always keep tracking uniform speed walking under the cooperation of tracking beam 5 and workpiece;
[0029] The device realizes that vehicle body can accurately control moving speed, effectively solves the problem of uneven moving speed and uneven force when holding polishing, and uses the tracking of adjustable length tracking beam 5 to navigate track, the accuracy of polishing range is high, and the polishing effect is good and the quality is high, secondly, clamp 2 is used instead of hand-held polishing tool 1, which effectively avoids the phenomenon that uneven polishing force of hand-held polishing tool 1 is uneven in longitudinal direction, the clamp 1 is mechanical arm, and the universal rotation of mechanical arm can be well adapted to the polishing needs of different directions and different scenes.
[0030] Referring to Figure 2 as shown;
[0031] Preferably, tracking beam 5 that can be extended or contracted is welded on both sides of the upper surface of vehicle body 3. That is, the tracking beam 5 is telescopic rod structure, and the position of vehicle body 3 is adjusted by extending or contracting tracking beam 5, so as to adapt to the width of workpiece, improve the versatility of the polishing device
[0032] Preferably, tracking beam 5 includes a plurality of aluminum profile beam bodies sequentially sleeved and connected, and equidistant positioning holes 7 are processed on adjacent two aluminum profile beam bodies, for installing positioning pin 8.
[0033] Specifically, the material of the tracking beam 5 is aluminum profile, the tracking beam 5 comprises a first aluminum profile beam body welded with the vehicle body 3 and a second aluminum profile beam body sleeved in the first aluminum profile beam body, the second aluminum profile beam body is welded with a positioning plate 6 away from the first aluminum profile beam body, and the second aluminum profile beam body and the positioning plate 6 are both installed with universal wheels 4, wherein the first aluminum profile beam body welded with the vehicle body 3 is a square hollow aluminum profile with a side length of 60mm and a length of 900mm, wherein the second aluminum profile beam body nested in the first aluminum profile beam body is a square profile with a side length of 58mm and a length of 850mm, and the two profile side surfaces are both processed with five positioning holes 7 with a diameter of 6mm and an interval of 150mm, in use, after the length of the tracking beam 5 is adjusted, the positioning holes 7 on the two aluminum profile beam bodies are aligned, the positioning pin 8 is inserted for positioning, the length locking of the tracking beam 5 is realized, and at this time, the two universal wheels 4 at the right end of the tracking beam 5 are attached to the side of the tool without polishing and track through the two direction universal wheels 4.
[0034] Referring to Figure 2 as shown in the drawings:
[0035] Preferably, the upper surface of the vehicle body 3 is fixedly connected with a base 9, and the base 9 is fixedly connected with the clamp 2 through bolts.
[0036] Preferably, the clamp 2 is a mechanical arm with a clamping jaw. Specifically, the mechanical arm is a six-axis free mechanical arm of the Yeahbot brand STM32 model in the prior art, and in work, the mechanical arm clamps the polishing tool 1 by using the clamping jaw, and at the same time, the mechanical arm is connected with the mobile phone matching software through an external control system, so that the mechanical arm is adjusted in all directions to adapt to the polishing angle. After adjustment, the direction can be fixed, and the strength is sufficient to ensure that the polishing tool 1 does not change direction during polishing.
[0037] In the above technical scheme, the semi-automatic pre-welding polishing device has the beneficial effects that:
[0038] The semi-automatic pre-welding polishing device designed by the utility model firstly makes the vehicle body contact with the two surfaces adjacent to the non-polishing side of the workpiece through the universal wheels at the end of the tracking beam and the positioning plate, so that the vehicle body walks at a uniform speed through the tracking of the tracking beam, the movement speed of the vehicle body can be accurately controlled, the problems of uneven movement speed and uneven force during handheld polishing are effectively solved, the tracking of the tracking beam with adjustable length is used for track navigation, the polishing range is accurate, the polishing effect is good, and the polishing quality and efficiency are effectively improved.
[0039] Secondly, the clamp is used to replace the handheld clamping polishing tool for semi-automatic polishing, which effectively avoids the phenomenon that the uneven polishing force of the handheld polishing tool is reflected in the longitudinal direction as uneven polishing depth, and the clamp can be universally rotated in all directions, which can be well applied to the polishing needs in different directions and different scenes, and has good universality.
[0040] The above has only described certain exemplary embodiments of the present application by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the present application for those skilled in the art. Therefore, the above drawings and descriptions are illustrative in nature, and should not be understood as limiting the scope of protection of the claims of the present application.
Claims
1. A semi-automatic pre-weld grinding device, characterized by, The utility model relates to a kind of semi-automatic welding front polishing devices, including: Clamp (2) for clamping polishing tool (1); Vehicle body (3) for carrying the clamp (2), the bottom of the vehicle body (3) is equipped with universal wheel (4); Tracking beam (5) is fixedly connected with the vehicle body (3), the tracking beam (5) is fixedly connected with positioning plate (6) perpendicular to its length direction axis at the end away from the vehicle body (3), wherein the tracking beam (5) end and the positioning plate (6) are both equipped with universal wheel (4), for respectively with the two surfaces adjacent to the non-polishing side of workpiece contact, so that the vehicle body (3) is tracked by the tracking beam (5) and walks.
2. A semi-automatic pre-weld grinding device according to claim 1, characterized in that ; The upper surface of the vehicle body (3) is welded with the tracking beam (5) that can be extended or contracted on both sides.
3. The semi-automatic welding front polishing device according to claim 2, characterized in that: The tracking beam (5) comprises a plurality of aluminum profile beam bodies successively sleeved and configured in a quadrilateral structure, and a plurality of equidistant positioning holes (7) are formed on adjacent two aluminum profile beam bodies at intervals for mounting a positioning pin (8).
4. A semi-automatic pre-weld grinding device as defined in claim 1, wherein ; The upper surface of the vehicle body (3) is fixedly connected with a base (9), and the base (9) is fixedly connected with the clamp (2) by bolts.
5. A semi-automatic pre-weld grinding device according to claim 1 or 4, characterized in that ; The clamp (2) is a mechanical arm with a clamping jaw.