Stacking machine bottom frame welding tool
By designing welding fixtures for the bottom frame of the stacker crane, and utilizing a welding platform and positioning pin wedge structure, the problem of large welding gaps caused by errors in manually placing square steel was solved, achieving accurate and reliable positioning and improving welding effect and production efficiency.
Patent Information
- Application Number
- CN202520422091.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-03-12
AI Technical Summary
When welding the bottom frame of the existing stacker crane, errors occur due to the manual placement of square steel, resulting in large gaps at the joints and affecting the welding effect.
Design a welding fixture for the bottom frame of a stacker crane, including a welding platform, a first positioning pin, a second positioning pin, and a positioning wedge. The frame pattern is engraved on the welding platform. One side of the square steel pattern is tightly attached to the first positioning pin, and the other side is fixed by inserting a positioning wedge between it and the second positioning pin.
It improves the positioning accuracy of square steel, simplifies the installation process, enhances welding quality and production efficiency, and reduces production costs.
Smart Images

Figure CN223819984U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to positioning welding technical field, in particular to a kind of stacker bottom frame welding tool. BACKGROUND
[0002] The bottom frame of stacker is used to install and support other components, and is connected by multiple square steels arranged horizontally and vertically. The bottom frame needs to ensure accuracy of size and square steel position while being solid and firm. In general, it is fixed by welding, and is usually placed by hand according to the set mode before welding. The relative position error exists in manual placement, and the large gap at the connection of square steels affects the welding effect. Therefore, it is necessary to provide a kind of stacker bottom frame welding tool to improve positioning accuracy and enhance welding effect. SUMMARY
[0003] The utility model provides a kind of stacker bottom frame welding tool to solve the problems and deficiencies of prior art.
[0004] The utility model solves the above technical problems by the following technical solutions:
[0005] The utility model provides a kind of stacker bottom frame welding tool, the bottom frame is welded by multiple square steels arranged horizontally and vertically, and the welding tool includes a welding platform, multiple first positioning pins, multiple second positioning pins and multiple positioning wedges arranged on the welding platform. The top surface of the welding platform is a rectangular plane with a size larger than the bottom frame. The top surface of the welding platform is engraved with a frame pattern. The frame pattern has multiple square steel patterns corresponding to the multiple square steels of the bottom frame one by one. A first positioning pin pattern is arranged on one side of each square steel pattern close to its edge. A second positioning pin pattern is arranged on the other side of each square steel pattern at a certain gap from the edge. Multiple first positioning pins and second positioning pins are arranged at the first positioning pin pattern and the second positioning pin pattern respectively. When installing, the square steels are placed against the first positioning pins on one side corresponding to the square steel patterns, and the positioning wedges are inserted between the square steels and the second positioning pins on the other side to fix the square steels.
[0006] Preferably, the connection between the square steels arranged horizontally and the square steels arranged vertically of part of the square steels arranged horizontally of the bottom frame is provided with a connecting plate, and the edges of the connecting plate are respectively welded and connected with the square steels arranged horizontally and the square steels arranged vertically. The welding tool further includes multiple movable pads arranged on the welding platform to support the connecting plate.
[0007] Preferably, the first positioning pin pattern corresponding to each of the transversely arranged square steel patterns is arranged on the front side of the square steel pattern, and the second positioning pin pattern corresponding to each of the transversely arranged square steel patterns is arranged on the back side of the square steel pattern.
[0008] Preferably, the first positioning pin pattern corresponding to each of the longitudinally arranged square steel patterns is arranged on the left side of the square steel pattern, and the second positioning pin pattern corresponding to each of the longitudinally arranged square steel patterns is arranged on the right side of the square steel pattern.
[0009] Preferably, the first positioning pin and the second positioning pin are both rotatably connected with the welding platform, and the first positioning pin and the second positioning pin are both free to rotate on the welding platform.
[0010] Preferably, the positioning wedge is a right-angled trapezoid, and when the positioning wedge is inserted between the square steel and the second positioning pin, the right-angled side of the positioning wedge abuts the edge of the square steel, and the upper base side of the positioning wedge is inserted between the square steel and the second positioning pin.
[0011] Preferably, the cushion block is rectangular.
[0012] Preferably, the welding platform, the first positioning pin, and the second positioning pin are all made of metal.
[0013] The positive progress effect of the utility model lies in:
[0014] The utility model relates to a kind of stacker bottom frame welding tool, including welding platform and the multiple first positioning pin, multiple second positioning pin and multiple positioning wedge being set on welding platform;The top surface of welding platform is rectangular plane with size greater than bottom frame, and the top surface of welding platform is engraved with frame pattern, and frame pattern has multiple square steel patterns corresponding to the multiple square steel of bottom frame one by one, first positioning pin pattern is arranged on the side of each square steel pattern abutting its edge, and second positioning pin pattern is arranged on the other side of each square steel pattern with certain gap from edge, and multiple first positioning pin and second positioning pin are correspondingly arranged at first positioning pin pattern and second positioning pin pattern place;When installing, square steel is placed in one side leaning on first positioning pin corresponding to square steel pattern, and positioning wedge is inserted between second positioning pin to fix square steel in the other side;The top surface of welding platform is engraved with frame pattern, to facilitate placing square steel according to frame pattern, first positioning pin is arranged on the side of square steel pattern abutting its edge, and second positioning pin is arranged on the other side with certain gap from edge;Square steel is placed in one side leaning on first positioning pin, and positioning wedge is inserted between second positioning pin to completely fix square steel in the other side without gap, realize the reliable positioning of square steel, improve positioning accuracy, and then improve welding effect;This kind of stacker bottom frame welding tool is accurate and reliable in positioning, simple in installation process, high in assembly efficiency, improve production efficiency, and reduce production cost. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a schematic view of a stacker bottom frame of the present embodiment;
[0016] Figure 2 is a schematic view of a welding platform structure of the present embodiment;
[0017] Figure 3 is a schematic view of the structure of the present embodiment after the square steel is installed in the welding tool of the stacker bottom frame;
[0018] Figure 4 is a schematic view of the structure of the present embodiment after the square steel is installed in the welding tool of the stacker bottom frame;
[0019] Figure 5 is a schematic view of a part of the structure of the present embodiment; Figure 3 is a schematic view of another part of the structure of the present embodiment.
[0020] Figure 6 is a schematic view of another part of the structure of the present embodiment. Figure 3
[0021] In the drawings:
[0022] 1-welding platform; 11-frame pattern; 111-first square steel pattern; 112-second square steel pattern; 113-third square steel pattern; 114-fourth square steel pattern; 115-fifth square steel pattern; 116-sixth square steel pattern; 117-seventh square steel pattern; 118-eighth square steel pattern; 12-first positioning pin pattern; 13-second positioning pin pattern; 2-first positioning pin; 3-second positioning pin; 4-positioning wedge; 5-pad block;
[0023] 200-bottom frame; 201-first square steel; 202-second square steel; 203-third square steel; 204-fourth square steel; 205-fifth square steel; 206-sixth square steel; 207-seventh square steel; 208-eighth square steel; 210-connecting plate. DETAILED DESCRIPTION
[0024] In order to make the purpose, technical scheme and advantages of the present embodiment clearer, the technical scheme of the present embodiment will be described clearly and completely below in combination with the drawings of the present embodiment. Obviously, the described embodiments are some embodiments of the present application, rather than all embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0025] As Figure 1 As shown, the stacker crane bottom frame 200 of this embodiment is welded from multiple square steels arranged laterally and longitudinally. It includes a first square steel 201, a fifth square steel 205, a sixth square steel 206, and an eighth square steel 208 arranged laterally on the front, middle, and rear sides, and a second square steel 202, a third square steel 203, a fourth square steel 204, and a seventh square steel 207 arranged longitudinally from left to right. The second square steel 202 and the seventh square steel 207 are respectively arranged on the left and right sides and connect to the first square steel 201 and the eighth square steel 208. The fifth square steel 205 is arranged on the left side and connects to the second square steel 202. The third square steel 203 and the fourth square steel 204 connect the fifth square steel 205 and the first square steel 201. The sixth square steel 206 is arranged on the right side and connects the seventh square steel 207 and the fourth square steel 204.
[0026] like Figures 2-6 As shown, this embodiment provides a welding fixture for the bottom frame of a stacker crane, including a welding platform 1 and multiple first positioning pins 2, multiple second positioning pins 3, and multiple positioning wedges 4 disposed on the welding platform 1. The top surface of the welding platform 1 is a rectangular plane with a size larger than that of the bottom frame 200. A frame pattern 11 is engraved on the top surface of the welding platform 1. The frame pattern 11 has multiple square steel patterns that correspond one-to-one with multiple square steels of the bottom frame 200. A first positioning pin pattern 12 is disposed on one side of each square steel pattern close to its edge, and a second positioning pin pattern 13 is disposed on the other side of each square steel pattern at a certain gap from the edge. Multiple first positioning pins 2 and second positioning pins 3 are respectively disposed at the first positioning pin pattern 12 and the second positioning pin pattern 13. During installation, the square steel is placed against the first positioning pin 2 on one side corresponding to the square steel pattern, and the positioning wedge 4 is inserted between the square steel pattern and the second positioning pin 3 on the other side to fix the square steel.
[0027] Specifically, the frame pattern 11 has a first square steel pattern 111, a second square steel pattern 112, a third square steel pattern 113, a fourth square steel pattern 114, a fifth square steel pattern 115, a sixth square steel pattern 116, a seventh square steel pattern 117, and an eighth square steel pattern 118 that correspond one-to-one with the square steel of the bottom frame 200.
[0028] In some embodiments, the first positioning pin graphic 12 corresponding to each horizontally arranged square steel graphic is disposed on the front side of the square steel graphic, and the second positioning pin graphic 13 corresponding to each horizontally arranged square steel graphic is disposed on the rear side of the square steel graphic; the horizontally arranged square steels are uniformly installed with the front side as the reference to reduce installation errors.
[0029] In some embodiments, the first positioning pin graphic 12 corresponding to each longitudinally arranged square steel graphic is disposed on the left side of the square steel graphic, and the second positioning pin graphic 13 corresponding to each longitudinally arranged square steel graphic is disposed on the right side of the square steel graphic. The longitudinally arranged square steels are uniformly installed with the left side as the reference to reduce installation errors.
[0030] In some embodiments, the first positioning pin 2 and the second positioning pin 3 are both rotatably connected to the welding platform 1. The first positioning pin 2 and the second positioning pin 3 can rotate freely on the welding platform 1, which facilitates the movement of the square steel close to the first positioning pin 2 and facilitates the installation of the positioning wedge 4.
[0031] In some embodiments, the positioning wedge 4 is a right-angled trapezoid. When the positioning wedge 4 is inserted between the square steel and the second positioning pin 3, the right-angled side of the positioning wedge 4 is close to the edge of the square steel, and the upper bottom edge of the positioning wedge 4 is inserted between the square steel and the second positioning pin 3.
[0032] In some embodiments, a connecting plate 210 is provided at the connection between a portion of the horizontally arranged square steel and a portion of the vertically arranged square steel of the bottom frame 200. The edges of the connecting plate 210 are welded to the horizontally arranged square steel and the vertically arranged square steel, respectively. The welding fixture also includes a plurality of movable pads 5, which are disposed on the welding platform 1 to support the connecting plate 210. In some embodiments, the pads 5 are rectangular.
[0033] In some embodiments, the welding platform 1, the first positioning pin 2, and the second positioning pin 3 are all made of metal.
[0034] Specifically, during installation, first, the first square steel 201 is placed at the first square steel pattern 111 on the welding platform 1, close to the two first positioning pins 2 on its front side. A positioning wedge 4 is inserted between the first square steel 201 and the two second positioning pins 3 on the rear side of the first square steel pattern 111 to fix the first square steel 201. Then, the second square steel 202 is placed at the second square steel pattern 112 on the welding platform 1, close to the two first positioning pins 2 on its left side. A positioning wedge 4 is inserted between the second square steel 202 and the two second positioning pins 3 on the right side of the second square steel pattern 112 to fix the second square steel 202. The third square steel 203, fourth square steel 204, and fifth square steel 205 are then installed in the same manner. 05. Install and fix the sixth square steel 206, the seventh square steel 207, and the eighth square steel 208 to the third square steel graphic 113, the fourth square steel graphic 114, the fifth square steel graphic 115, the sixth square steel graphic 116, the seventh square steel graphic 117, and the eighth square steel graphic 118; set a connecting plate 210 at the connection between the fifth square steel 205 and the second square steel 202, and set a pad 5 at the bottom of the connecting plate 210 to support the connecting plate 210; set a connecting plate 210 at the connection between the sixth square steel 206 and the fourth square steel 204 and the seventh square steel 207 respectively, and set a pad 5 at the bottom of the connecting plate 210 to support the connecting plate 210; after completing the positioning and installation, welding operations can be carried out.
[0035] This stacker crane's bottom frame welding fixture is accurate and reliable in positioning, simple to install, and highly efficient in assembly, thus improving production efficiency and reducing production costs.
[0036] While specific embodiments of this utility model have been described above, those skilled in the art should understand that these are merely illustrative examples, and the scope of protection of this utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of this utility model, but all such changes and modifications fall within the scope of protection of this utility model.
Claims
1. A welding fixture for the bottom frame of a stacker crane, characterized in that, The bottom frame is welded from multiple square steel bars arranged horizontally and vertically. The welding fixture includes a welding platform and multiple first positioning pins, multiple second positioning pins, and multiple positioning wedges disposed on the welding platform. The top surface of the welding platform is a rectangular plane with a size larger than that of the bottom frame. The top surface of the welding platform is engraved with a frame pattern, which has multiple square steel patterns corresponding one-to-one with the multiple square steel bars of the bottom frame. A first positioning pin pattern is disposed on one side of each square steel pattern close to its edge, and a second positioning pin pattern is disposed on the other side of each square steel pattern at a certain gap from the edge. The multiple first positioning pins and second positioning pins are respectively disposed at the first positioning pin pattern and the second positioning pin pattern. During installation, the square steel bars are placed against the first positioning pins on one side corresponding to the square steel pattern, and the positioning wedges are inserted between the square steel bars and the second positioning pins on the other side to fix the square steel bars.
2. The stacker crane bottom frame welding fixture as described in claim 1, characterized in that, A connecting plate is provided at the connection between the horizontally arranged square steel and the vertically arranged square steel of the bottom frame. The edges of the connecting plate are welded to the horizontally arranged square steel and the vertically arranged square steel respectively. The welding fixture also includes a plurality of movable pads, which are set on the welding platform to support the connecting plate.
3. The stacker crane bottom frame welding fixture as described in claim 1, characterized in that, The first positioning pin graphic corresponding to each horizontally arranged square steel graphic is located on the front side of the square steel graphic, and the second positioning pin graphic corresponding to each horizontally arranged square steel graphic is located on the rear side of the square steel graphic.
4. The stacker crane bottom frame welding fixture as described in claim 1, characterized in that, The first positioning pin graphic corresponding to each vertically arranged square steel graphic is located on the left side of the square steel graphic, and the second positioning pin graphic corresponding to each vertically arranged square steel graphic is located on the right side of the square steel graphic.
5. The stacker crane bottom frame welding fixture as described in claim 1, characterized in that, Both the first positioning pin and the second positioning pin are rotatably connected to the welding platform, and both the first positioning pin and the second positioning pin can rotate freely on the welding platform.
6. The stacker crane bottom frame welding fixture as described in claim 1, characterized in that, The positioning wedge is in the shape of a right trapezoid. When the positioning wedge is inserted between the square steel and the second positioning pin, the right-angled side of the positioning wedge is close to the edge of the square steel, and the upper bottom edge of the positioning wedge is inserted between the square steel and the second positioning pin.
7. The stacker crane bottom frame welding fixture as described in claim 2, characterized in that, The pad is rectangular.
8. The stacker crane bottom frame welding fixture as described in claim 1, characterized in that, The welding platform, the first positioning pin, and the second positioning pin are all made of metal.