Positioning and clamping tool for goods shelf cross beam welding part

Abstract

The utility model discloses a positioning and clamping tool for a goods shelf beam welding piece, which belongs to a welding tool and is characterized in that a column clamp assembly, a connecting piece clamp assembly and a rectangular tube clamp assembly are movably mounted on a bottom plate; the left side column clamp assembly and the right side column clamp assembly are used for positioning and clamping a left column clamp and a right column clamp respectively, the left side connecting piece clamp assembly and the right side connecting piece clamp assembly are used for positioning and clamping a left connecting piece and a right connecting piece respectively, and the left side rectangular pipe clamp assembly and the right side rectangular pipe clamp assembly are used for clamping rectangular pipes on the left side and the right side respectively. According to the tool special for positioning and clamping, a pin hole is used for positioning, a clamping air cylinder is rotated, beam welding parts including a rectangular pipe, a column clamp and a connecting plate are spliced, positioned and clamped, and flexible clamping of beams of various specifications and types can be achieved. Different rectangular sections can be matched with the cross beams with different lengths; and action control can be carried out on the positioning and rotating clamping air cylinder, the manual operation time can be shortened, and intelligent control is achieved.

Description

Technical Field

[0001] The utility model relates to a welding tool, in particular to a positioning and clamping tool for a shelf crossbeam welding piece. Background Art

[0002] At present, the components of shelf beams (including rear rails, support beams, etc.) are all welded manually. Manual welding can weld various products such as column clamps, connectors, rectangular tubes, hanging ears, U-shaped bending plates, etc., which is highly practical. However, manual welding has the problems of high cost, low efficiency and unsightly weld appearance.

[0003] Some patented technologies such as CN209716861U shelf beam welding fixture only consider the problem of clamping fixtures, but do not consider the technical requirements of rotation during automatic welding. The use of positioning and clamping fixtures for beam welding parts is the prerequisite for automatic welding. By cooperating with automatic welding robots, manual work can be completely replaced, which not only improves the low efficiency of production, but also reduces labor intensity, while improving the dimensional accuracy and weld quality of the product. Utility Model Content

[0004] In order to realize automatic welding, the utility model provides a positioning and clamping tool for a shelf crossbeam welding piece, which realizes accurate positioning and clamping of three components of the shelf crossbeam, and is achieved through the following technical solutions.

[0005] A positioning and clamping tool for a shelf crossbeam weldment, the crossbeam comprising a rectangular tube, column clamps and connectors being welded at both ends of the rectangular tube, the clamping tool comprising a base plate, on which a column clamp fixture assembly, a connector clamp assembly and a rectangular tube clamp assembly are movably mounted; a left column clamp fixture assembly and a right column clamp fixture assembly are used to position and clamp the left and right column clamps, respectively, a left connector clamp assembly and a right connector clamp assembly are used to position and clamp the left and right connectors, respectively, and a left rectangular tube clamp assembly and a right rectangular tube clamp assembly are used to clamp the rectangular tube on the left and right sides, respectively.

[0006] Furthermore, the rectangular tube clamp assembly includes a rotary clamping cylinder 1 for rotating to clamp or release the rectangular tube.

[0007] Preferably, the rotary clamping cylinder is connected to a cylinder rocker arm, and one end of the cylinder rocker arm clamps or releases the torque tube.

[0008] Furthermore, the connector clamp assembly includes a second positioning cylinder and a second rotating clamping cylinder. The second positioning cylinder is linked to a second positioning pin which penetrates into the hole of the connector for positioning. The second rotating clamping cylinder clamps or releases the connector.

[0009] Preferably, the rotary clamping cylinder 2 is connected to the cylinder rocker arm 2, and one end of the cylinder rocker arm 2 clamps or releases the connecting piece.

[0010] Furthermore, the column clamp assembly includes a positioning cylinder three and a rotating clamping cylinder three. The positioning cylinder three is linked with a positioning pin three, which is inserted into the hole of the column clamp for positioning, and the rotating clamping cylinder three clamps or releases the column clamp.

[0011] Preferably, the rotary clamping cylinder three is connected to the cylinder rocker arm three, and one end of the cylinder rocker arm three clamps or releases the rectangular tube.

[0012] Further, the rectangular tube fixture assembly, the connector fixture assembly and the rectangular tube fixture assembly all include a fixture base plate with a mounting plate thereon;

[0013] Preferably, height limiting blocks are installed on the fixture bottom plates of the rectangular tube fixture assembly and the connector fixture assembly.

[0014] Preferably, there is a guide rail on the base plate, and there are sliders embedded in the guide rail at the bottom of the column clamp assembly, the connector clamp assembly and the rectangular tube clamp assembly. The column clamp assembly, the connector clamp assembly and the rectangular tube clamp assembly can adjust the spacing and are fixed to the clamp base plate by fasteners.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] (1) Special tooling for positioning and clamping: Use pin hole positioning and rotating clamping cylinder to assemble, position and clamp the beam welding parts such as rectangular tubes, column clamps and connecting plates. The positioning is accurate, the seams are adjustable and the efficiency is high.

[0017] (3) Modular detachable fixtures can realize flexible clamping of beams of various specifications and categories. Beams of different lengths and different rectangular cross-sections can be matched;

[0018] (4) It can realize intelligent control and programmable platform to control the positioning and rotating clamping cylinders, which can reduce the time of manual operation and realize intelligent control. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is an assembly diagram of the tooling of the utility model when it is working;

[0020] Figure 2 yes Figure 1 A partial enlarged view of

[0021] Figure 3 It is the shelf beam welding part;

[0022] Figure 4 It is a column card;

[0023] Figure 5 It is a connecting piece;

[0024] Figure 6It is a rectangular tube;

[0025] Figure 7 It is a column clamp assembly;

[0026] Figure 8 It is a connector fixture assembly;

[0027] Fig. 9 It is a rectangular tube fixture assembly;

[0028] Fig.10 It is an assembly part. DETAILED DESCRIPTION

[0029] The technical solution of the utility model is further explained below in conjunction with the accompanying drawings.

[0030] like Figure 1 As shown, the fixture mainly includes a detachable fixture assembly 13 for positioning and clamping the beam; and a beam welding part 12. Figure 3 , Figure 4 , Figure 5 , Figure 6 The clamped crossbeam shown in the figure includes a rectangular tube 123, and column clamps and connectors are welded at both ends of the rectangular tube 123. The left column clamp 121, the left connector 122, the rectangular tube weldment 123, the right connector 124, the right column clamp 125,

[0031] like Figure 2 As shown, the clamping fixture includes a base plate 14 on which a column clamp assembly 131 , a connector clamp assembly 132 and a rectangular tube clamp assembly 133 are movably mounted.

[0032] The left column clamp assembly 131 and the right column clamp assembly 134 respectively position and clamp the left and right column clamps. The left connector clamp assembly 132 and the right connector clamp assembly 135 respectively position and clamp the left and right connectors. The left rectangular tube clamp assembly 133 and the right rectangular tube clamp assembly 136 respectively clamp the rectangular tube on the left and right sides.

[0033] like Figure 7 As shown, the main components of the left column clamp assembly 131 include:

[0034] a) Fixture base plate 1311: fixes and moves the position of the fixture assembly and provides a mounting platform for the cylinder and mounting plate 1312.

[0035] b) Cylinder mounting plate 1312: Provides a mounting carrier for positioning and rotating the clamping cylinder.

[0036] c) Rotary clamping cylinder 1314: Rotate to clamp / release column clamp parts.

[0037] d) Positioning cylinder 1315: The positioning pin is linked to position the column clamp.

[0038] e) Positioning pin 1316: driven by the positioning cylinder, it is pushed out and retracted to position or release the column card.

[0039] f) Cylinder rocker arm 1317: driven by the rotary cylinder, it rotates to clamp or release, thereby clamping or releasing the column clamp.

[0040] like Figure 8 As shown, the left connecting member clamp assembly 132 mainly includes:

[0041] a) Fixture base plate 1321: fixes and moves the position of the fixture assembly and provides a mounting platform for the cylinder and mounting plate 1323.

[0042] b) Height limit block 1322: provides height support for rectangular tubes of different height specifications.

[0043] c) Cylinder mounting plate 1323: Provides a mounting carrier for positioning and rotating the clamping cylinder.

[0044] d) Positioning cylinder 1324: The linkage positioning pin positions the connecting part.

[0045] e) Protective cover 1325: protects the cylinder and other components from damage by welding slag.

[0046] f) Rotary clamping cylinder 1326: Rotate to clamp / release the connector parts.

[0047] g) Positioning pin 1327: driven by the positioning cylinder, it is pushed out and retracted to position or release the connector.

[0048] h) Cylinder rocker arm 1328: driven by a rotating cylinder, it rotates to clamp or loosen to clamp or release the connector.

[0049] like Fig. 9 As shown, the left side rectangular tube clamping assembly 133 mainly includes:

[0050] a) Fixture base plate 1331: fixes and moves the position of the fixture assembly and provides a mounting platform for the cylinder and mounting plate 1333.

[0051] b) Height limit block 1332: Provides height support for rectangular tubes of different height specifications

[0052] c) Cylinder mounting plate 1333: Provides a mounting carrier for positioning and rotating the clamping cylinder.

[0053] d) Rotary clamping cylinder 1334: Rotate to clamp / release the torque tube parts.

[0054] e) Cylinder rocker arm 1335: driven by the rotary cylinder, it rotates to clamp or loosen to clamp or release the rectangular tube.

[0055] like Fig.10 As shown, there is a guide rail 15 on the base plate 14, and sliders embedded in the guide rails are provided at the bottom of the column clamp assembly, the connector clamp assembly and the rectangular tube clamp assembly. The column clamp assembly, the connector clamp assembly and the rectangular tube clamp assembly can adjust the spacing and are fixed to the clamp base plate by fasteners.

[0056] During operation, pre-adjust the position of the column clamp assembly, the connector clamp assembly and the rectangular tube clamp assembly on the bottom plate guide rail and fix them. Press the positioning button, the positioning pin is ejected, and the beam welding parts are manually installed in the corresponding fixtures. The hole pins match, press the cylinder clamping button, and the rotating clamping cylinder is activated to clamp. After confirming that the clamping is correct, welding is carried out. After the welding operation is completed, the rotating clamping cylinder is released, the positioning cylinder is activated, and the positioning pin is retracted. At this time, the worker can position, install and clamp the next set of beam weldments. The operation is as described above.

Claims

1. A positioning and clamping tool for a shelf crossbeam weldment, wherein the crossbeam comprises a rectangular tube, column clamps and connectors are welded at both ends of the rectangular tube, It is characterized in that The clamping tooling includes a base plate, on which a column clamp assembly, a connector clamp assembly and a rectangular tube clamp assembly are movably mounted; the left column clamp assembly and the right column clamp assembly respectively position and clamp the left and right column clamps, the left connector clamp assembly and the right connector clamp assembly respectively position and clamp the left and right connectors, and the left rectangular tube clamp assembly and the right rectangular tube clamp assembly respectively clamp the rectangular tube on the left and right sides.

2. According to the positioning and clamping tooling of the shelf crossbeam welding parts described in claim 1, It is characterized in that The rectangular tube clamp assembly comprises a rotary clamping cylinder 1, which is used to rotate and clamp or release the rectangular tube.

3. According to the positioning and clamping tooling of the shelf crossbeam welding parts described in claim 2, It is characterized in that The rotary clamping cylinder 1 is connected to the cylinder rocker arm 1, and one end of the cylinder rocker arm 1 clamps or releases the torque tube.

4. According to the positioning and clamping tooling of the shelf crossbeam welding parts described in claim 1, It is characterized in that The connector clamp assembly comprises a second positioning cylinder and a second rotating clamping cylinder. The second positioning cylinder is linked with a second positioning pin, which is inserted into the hole of the connector for positioning. The second rotating clamping cylinder clamps or releases the connector.

5. According to the positioning and clamping tooling of the shelf crossbeam welding parts as described in claim 4, It is characterized in that The rotary clamping cylinder 2 is connected to the cylinder rocker arm 2, and one end of the cylinder rocker arm 2 clamps or releases the connecting piece.

6. According to claim 1, the positioning and clamping tooling for the shelf crossbeam welding parts, It is characterized in that The column clamp assembly includes a positioning cylinder three and a rotating clamping cylinder three. The positioning cylinder three is linked with a positioning pin three, which penetrates into the hole of the column clamp for positioning. The rotating clamping cylinder three clamps or releases the column clamp.

7. According to claim 6, the positioning and clamping tool for the shelf beam welding parts, It is characterized in that The rotary clamping cylinder three is connected to the cylinder rocker arm three, and one end of the cylinder rocker arm three clamps or releases the torque tube.

8. According to claim 1, the positioning and clamping tool for the shelf crossbeam welding parts, It is characterized in that The rectangular tube clamp assembly, the connecting piece clamp assembly and the rectangular tube clamp assembly all include a clamp bottom plate with a mounting plate thereon.

9. According to claim 8, the positioning and clamping tool for the shelf crossbeam welding parts, It is characterized in that Height limiting blocks are installed on the fixture bottom plates of the rectangular tube fixture assembly and the connector fixture assembly.

10. According to claim 1, the positioning and clamping tool for the shelf beam welding parts, It is characterized in that The base plate is provided with a guide rail, and the bottom of the column clamp assembly, the connector clamp assembly and the rectangular tube clamp assembly are provided with a slider embedded in the guide rail. The column clamp assembly, the connector clamp assembly and the rectangular tube clamp assembly can adjust the spacing and are fixed to the clamp base plate by fasteners.

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