Frame net lug welding tool for railway line protective fence

Abstract

The utility model discloses a frame net lug welding tool for a railway line protective fence. The device comprises a welding positioning platform, a plurality of groups of outer frame positioning clamps arranged on the welding positioning platform and used for positioning an angle steel outer frame, a plurality of groups of net lug positioning clamps used for positioning net lugs, and a welding robot used for welding the angle steel outer frame and the net lugs, the multiple sets of net lug positioning clamps are symmetrically arranged at the two ends of the welding positioning platform respectively and correspond to the outer frame positioning clamps at the two ends of the welding positioning platform in a one-to-one mode. After the positioning clamp is used for clamping, continuous manual force exerting is not needed, and compared with manual welding which needs to keep pressing action all the time, more labor is saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of railway line protection fence welding equipment, and in particular relates to a frame mesh ear welding tool used for railway line protection fence. Background Art

[0002] The existing welding between the frame and the mesh ears of the railway line protection fence is done manually, which has the following defects:

[0003] 1. Manual work is used, the tooling is simple, the precision dimensions are poor, and the welding consistency cannot be guaranteed.

[0004] 2. It cannot be moved and can only be welded at a fixed point. The tooling can only be used for independent welding stations and cannot be used universally. Utility Model Content

[0005] The purpose of the utility model is to solve the deficiencies of the above-mentioned background technology and to provide a frame mesh ear welding tool for railway line protection fences.

[0006] The technical solution adopted by the utility model is: a frame mesh ear welding tool for railway line protection fence, comprising a welding positioning platform, a plurality of groups of outer frame positioning fixtures for positioning the outer frame of angle steel arranged on the welding positioning platform, a plurality of groups of mesh ear positioning fixtures for positioning the mesh ears, and a welding robot for welding the outer frame of the angle steel to the mesh ears; the plurality of groups of the mesh ear positioning fixtures are symmetrically arranged at the positions at both ends of the welding positioning platform, and correspond one to one with the outer frame positioning fixtures at the two ends of the welding positioning platform.

[0007] In a further preferred structure, the plurality of groups of outer frame positioning fixtures are parallel to each other, and the plurality of outer frame positioning fixtures in each group are evenly spaced apart.

[0008] In a further preferred structure, the multiple groups of the net ear positioning clamps are parallel to each other, and the multiple net ear positioning clamps in each group are evenly spaced.

[0009] A further preferred structure is that the outer frame positioning fixture includes a first support block, a first positioning block, and a first quick clamp, the first support block is fixed on the welding positioning platform, the first positioning block is fixed on the first support block, a positioning groove for positioning the outer frame of the angle steel is provided on the first positioning block, and the first quick clamp is fixed on the first positioning block and fits with the upper surface of the outer frame of the angle steel.

[0010] A further preferred structure is that the mesh ear positioning fixture includes a second support block, a second positioning block, and a second quick clamp, the second support block is fixed on the welding positioning platform, the second positioning block is fixed on the second support block, the second positioning block is provided with a positioning step for positioning the outer frame of the angle steel, the upper surface of the second positioning block is used to fit with the front side of the mesh ear, and the second quick clamp is fixed on the second positioning block and is used to fit with the back side of the mesh ear.

[0011] In a further preferred structure, the welding positioning platform includes two groups, which are respectively located on both sides of the welding robot.

[0012] In a further preferred structure, the welding robots include two groups, which are respectively located at two ends of the welding positioning platform.

[0013] In a further preferred structure, the multiple groups of mesh ear positioning fixtures and corresponding outer frame positioning fixtures located at both ends of the welding positioning platform are driven by a screw nut adjustment mechanism to be adjustable on the welding positioning platform to accommodate angle steel outer frames of different lengths.

[0014] The utility model is used for automatic welding of the angle steel outer frame and the back side of the net ear of the railway line protection fence.

[0015] The beneficial effects of the utility model are as follows:

[0016] (1) Accurate positioning and high part precision. During assembly, the positioning block is calibrated by the inspection fixture to ensure accurate fixation and ensure the consistency of product production welding.

[0017] (2) The positioning is firm and the quick clamp is configured. The product is clamped by the quick clamp, which is more reliable and stable than manual clamping during manual welding.

[0018] (3) After the positioning fixture is clamped, there is no need for continuous manual force, which is more labor-saving than manual welding, which requires constant pressing action. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0020] Figure 2 This is a schematic diagram of the outer frame positioning fixture structure;

[0021] Figure 3 This is a schematic diagram of the structure of the net ear positioning fixture;

[0022] Figure 4 Schematic diagram of the position of the screw nut adjustment mechanism.

[0023] In the figure, 1-welding positioning platform, 11-screw nut adjustment mechanism, 2-welding robot, 3-outer frame positioning fixture (31-first support block, 32-first positioning block, 33-positioning groove, 34-first quick clamp), 4-mesh ear positioning fixture (41-second support block, 42-second positioning block, 43-positioning step, 44-second quick clamp), a1-angle steel outer frame, b-mesh ear. DETAILED DESCRIPTION

[0024] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments to facilitate a clear understanding of the present invention, but they do not constitute a limitation on the present invention.

[0025] like Figure 1 As shown, the utility model includes a welding positioning platform 1, a plurality of groups of outer frame positioning fixtures 3 for positioning the outer frame a1 of the angle steel, a plurality of groups of mesh ear positioning fixtures 4 for positioning the mesh ears b, and a welding robot 2 for welding the outer frame a1 of the angle steel with the mesh ears b; the plurality of groups of mesh ear positioning fixtures 4 are symmetrically arranged at the positions at both ends of the welding positioning platform 1, and correspond one to one with the outer frame positioning fixtures 3 at the two ends of the welding positioning platform 1.

[0026] The multiple groups of outer frame positioning fixtures 3 are parallel to each other, and the multiple outer frame positioning fixtures 3 in each group are evenly spaced apart.

[0027] The multiple groups of net ear positioning fixtures 4 are parallel to each other, and the multiple net ear positioning fixtures 4 in each group are evenly spaced.

[0028] like Figure 2 As shown, the outer frame positioning fixture 3 includes a first support block 31, a first positioning block 32, and a first quick clamp 34. The first support block 31 is fixed on the welding positioning platform 1, the first positioning block 32 is fixed on the first support block 31, and a positioning groove 33 for positioning the outer frame a1 of the angle steel is provided on the first positioning block 32. The first quick clamp 34 is fixed on the first positioning block 32 and fits with the upper surface of the outer frame a1 of the angle steel.

[0029] like Figure 3 As shown, the mesh ear positioning fixture 4 includes a second support block 41, a second positioning block 42, and a second quick clamp 44. The second support block 41 is fixed on the welding positioning platform 1, and the second positioning block 42 is fixed on the second support block 41. The second positioning block 42 is provided with a positioning step 43 for positioning the outer frame a1 of the angle steel. The upper surface of the second positioning block 42 is used to fit with the front side of the mesh ear b. The second quick clamp 44 is fixed on the second positioning block 42 and is used to fit with the back side of the mesh ear b.

[0030] like Figure 1As shown, in this embodiment, the welding positioning platform 1 includes two groups, which are respectively located on both sides of the welding robot 2, and the welding robot 2 includes two groups, which are respectively located at both ends of the welding positioning platform.

[0031] like Figure 4 As shown, the multiple groups of mesh ear positioning fixtures 4 and the corresponding outer frame positioning fixtures 3 located at both ends of the welding positioning platform 1 are driven by the screw nut adjustment mechanism 11 to be adjustable on the welding positioning platform 1 .

[0032] The working principle of the utility model is as follows: the outer frame a1 of the angle steel and the mesh ear b are manually placed in the outer frame positioning fixture 3 and the mesh ear positioning fixture 4 in turn to complete the product positioning and clamping, and the loading action is completed. Then the welding robot 1 starts automatic welding, and the material is manually unloaded after the welding is completed.

[0033] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

Claims

1. A frame mesh ear welding tool for railway line protection fence, characterized by: The invention comprises a welding positioning platform (1), a plurality of groups of outer frame positioning fixtures (3) arranged on the welding positioning platform (1) for positioning the outer frame of an angle steel (a1), a plurality of groups of net ear positioning fixtures (4) arranged on the welding positioning platform (1) for positioning the net ears (b), and a welding robot (2) for welding the outer frame of the angle steel (a1) and the net ears (b); the plurality of groups of the net ear positioning fixtures (4) are symmetrically arranged at the positions at both ends of the welding positioning platform (1), and correspond one to one with the outer frame positioning fixtures (3) at the positions at both ends of the welding positioning platform (1).

2. The frame mesh ear welding tool for railway line protection fence according to claim 1 is characterized in that: The multiple groups of outer frame positioning clamps (3) are parallel to each other, and the multiple outer frame positioning clamps (3) in each group are evenly spaced apart.

3. The frame mesh ear welding tool for railway line protection fence according to claim 1 is characterized in that: The multiple groups of net ear positioning clamps (4) are parallel to each other, and the multiple net ear positioning clamps (4) in each group are evenly spaced.

4. The frame mesh ear welding tool for railway line protection fence according to claim 1 is characterized in that: The outer frame positioning fixture (3) comprises a first support block (31), a first positioning block (32), and a first quick clamp (34); the first support block (31) is fixed on the welding positioning platform (1); the first positioning block (32) is fixed on the first support block (31); a positioning groove (33) for positioning the angle steel outer frame (a1) is provided on the first positioning block (32); the first quick clamp (34) is fixed on the first positioning block (32) and is in contact with the upper surface of the angle steel outer frame (a1).

5. The frame mesh ear welding tool for railway line protection fence according to claim 1 is characterized in that: The mesh ear positioning fixture (4) comprises a second support block (41), a second positioning block (42), and a second quick clamp (44); the second support block (41) is fixed on the welding positioning platform (1); the second positioning block (42) is fixed on the second support block (41); a positioning step (43) for positioning the outer frame (a1) of the angle steel is provided on the second positioning block (42); the upper surface of the second positioning block (42) is used to fit with the front side of the mesh ear (b); the second quick clamp (44) is fixed on the second positioning block (42) and is used to fit with the back side of the mesh ear (b).

6. The frame mesh ear welding tool for railway line protection fence according to claim 1 is characterized in that: The welding positioning platform (1) comprises two groups, which are respectively located on both sides of the welding robot (2).

7. The frame mesh ear welding tool for railway line protection fence according to claim 1 is characterized in that: The welding robots (2) include two groups, which are respectively located at two ends of the welding positioning platform (1).

8. The frame mesh ear welding tool for railway line protection fence according to claim 1 is characterized in that: The multiple groups of mesh ear positioning fixtures (4) and corresponding outer frame positioning fixtures (3) located at both ends of the welding positioning platform (1) are driven on the welding positioning platform (1) through a screw nut adjustment mechanism (11) so that their positions can be adjusted.

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