Laser welding positioning device for water pump main body
The laser welding positioning device addresses the inefficiencies of manual welding by providing precise alignment of water pump components, improving welding speed and reducing deformation for enhanced pump performance.
Patent Information
- Application Number
- CN202420783164.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-16
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-04-16
AI Technical Summary
Traditional manual welding of water pump components results in slow welding speed, shallow depth, and large deformation, affecting the performance and installation of inlet and outlet pipes and flanges.
A laser welding positioning device with a base plate, upper and lower positioning blocks, sliders, cylinders, and rotating assemblies to accurately position inlet and outlet pipes and flanges before welding, utilizing horizontal and vertical movements and rotations to ensure precise alignment.
The device enables efficient and accurate positioning of water pump components, enhancing welding precision and reducing deformation, thereby improving the performance and installation quality of water pumps.
Smart Images

Figure CN222176385U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of water pump production, in particular to a laser welding positioning device for a water pump body. Background Art
[0002] The pump body of a water pump is composed of a volute, an inlet pipe, a flange, an outlet pipe, a connecting plate and other parts. The volute is the core component of the water pump. The inlet and outlet pipes and flanges are also important connecting parts for constructing the water pump. The size and accuracy of the volute, inlet and outlet pipes and flanges after welding directly affect the performance and installation effect of the water pump. Traditional welding of inlet and outlet pipes, flanges and volutes is mostly done by manual welding, which has slow welding speed, shallow depth and large deformation. Summary of the invention
[0003] The utility model aims to provide a water pump main body laser welding positioning device with reasonable structure and good use effect.
[0004] To achieve the above-mentioned purpose, the technical solution provided by the utility model is: a laser welding positioning device for a water pump body, which includes a base plate, an upper positioning block for a water outlet pipe, and a lower positioning block for a water outlet pipe, wherein a slider seat is fixed at each of the two ends of the top of the base plate, a first horizontal cylinder is horizontally installed at the outer end of the slider seat, a slideway is provided on the top of the slider seat, a flange positioning assembly is movably installed on the slideway, the first horizontal cylinder is connected to the flange positioning assembly, a lower positioning block for a water outlet pipe is fixed to one side of the top of the base plate, a water outlet pipe rotating cylinder is installed on the base plate on one side of the lower positioning block for a water outlet pipe, an upper positioning block for a water outlet pipe is installed on the water outlet rotating cylinder, a water outlet pipe positioning assembly is provided on the outer side of the lower positioning block for a water outlet pipe, and a group of rotating assemblies are installed in each of the four directions of the base plate; a water inlet pipe assembly is installed at the center of the top of the base plate.
[0005] The water inlet pipe assembly comprises a positioning core, a positioning plate and a positioning column, wherein the positioning plate is mounted on the bottom plate by means of positioning pins and screws, and the positioning core is vertically mounted at the center of the positioning plate.
[0006] The flange positioning assembly includes a lifting cylinder, a horizontal slider, and a positioning pin mounting plate, wherein the horizontal slider is movably installed on the slide, the piston rod of the first horizontal cylinder is connected to the outer end of the connecting block, the bottom of the inner end of the horizontal slider is provided with a positioning surface of a concave step, the connecting block is embedded in the concave step and locked with the horizontal slider with screws, and the connecting block is connected to the first horizontal cylinder; the lifting cylinder is vertically fixed on the top of the horizontal slider, and the piston rod of the lifting cylinder is upwardly connected and fixed to the bottom of the positioning pin mounting plate, the ends of the rod mounting plates on the opposite sides of the two sets of flange positioning assemblies extend to form a support arm, the support arm is "V" shaped when viewed from above, the V tip is connected to the edge of the positioning pin mounting plate, a positioning rod is vertically installed at the bottom of the support arm fork arm, the bottom of the lifting cylinder is connected to the fixed plate, and the fixed plate is connected to the horizontal slider through a positioning square pin.
[0007] The water outlet pipe positioning assembly includes a cylinder fixing plate, a second horizontal cylinder, and a stopper, wherein the cylinder fixing plate is fixed at the edge of the bottom plate outside the positioning block below the water outlet pipe, the second horizontal cylinder is horizontally installed on the top of the cylinder fixing plate, and the stopper is installed on the piston rod of the second horizontal cylinder; the top of the positioning block below the water outlet pipe and the bottom of the positioning block above the water outlet pipe are provided with water outlet pipe positioning grooves that cooperate with each other, and the stopper is opposite to the water outlet pipe positioning groove and presses the water outlet pipe.
[0008] The rotating assembly includes four angle rotating cylinders, which are respectively located in four directions at the bottom of the base plate. The piston rods of the angle rotating cylinders pass upward through the base plate and are connected to corresponding angle positioning blocks.
[0009] After the utility model adopts the above scheme, the boiler shell is sleeved on the positioning core, the piston rod of the first horizontal cylinder is extended to drive the horizontal sliding block to contact with the outer peripheral surface of the upper part of the boiler shell, so as to complete the positioning of the boiler shell, the water inlet flange is aligned with the top of the boiler shell and sleeved, the piston rod of the lifting cylinder drives the positioning rod to be pressed down on the water inlet flange, so as to complete the positioning of the water inlet flange, the water outlet pipe is placed in the water outlet pipe positioning groove, the piston rod of the second horizontal cylinder is extended to drive the stopper to move in the direction of the water outlet pipe, so as to make the stopper contact with the outer end of the water outlet pipe and push the water outlet pipe to contact with the boiler shell, so as to complete the positioning of the water outlet pipe. After all the components are positioned, the next step of welding operation can be carried out. The structure after adopting this scheme is reasonable, the use effect is good, and the positioning is accurate. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0011] Figure 2 It is a cross-sectional view of the utility model.
[0012] Figure 3 It is a schematic diagram of the flange positioning component of the present utility model.
[0013] Figure 4 It is a schematic diagram of the explosion structure of the utility model.
[0014] Figure 5 It is a schematic diagram of the assembled product and the positioning device of the utility model. DETAILED DESCRIPTION
[0015] The present invention is further described below in conjunction with all the accompanying drawings. The preferred embodiments of the present invention are as follows: Figure 1 To Attachment Figure 5 ,
[0016] The embodiments described in this embodiment with reference to the accompanying drawings are exemplary and are only used to explain this patent, and should not be understood as limiting this patent.
[0017] In the description of this patent, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing this patent and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this patent.
[0018] In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be fixedly connected or set, or it can be detachably connected or set, or connected or set in one piece. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.
[0019] The water pump body laser welding positioning device described in this embodiment includes a base plate 9, an upper positioning block 10 for a water outlet pipe, and a lower positioning block 11 for a water outlet pipe, wherein a slider seat 7 is fixed at each of the two ends of the top of the base plate 9, and a first horizontal cylinder 6 is horizontally installed at the outer end of the slider seat 7, a slideway 5 is provided on the top of the slider seat 7, and a flange positioning assembly is movably installed on the slideway 5, and the first horizontal cylinder 6 is connected to the flange positioning assembly, and a lower positioning block 11 for a water outlet pipe is fixed on one side of the top of the base plate 9, and a water outlet pipe rotating cylinder 23 is installed on the base plate 9 on one side of the lower positioning block 11 of the water outlet pipe, and an upper positioning block 10 for a water outlet pipe is installed on the water outlet rotating cylinder 23, and a water outlet pipe positioning assembly is provided on the outer side of the lower positioning block 11 of the water outlet pipe, and a group of rotating assemblies are installed in each of the four directions of the base plate 9; a water inlet pipe assembly is installed at the center of the top of the base plate 9. The water inlet pipe assembly includes a positioning core 1 , a positioning plate 2 , and a positioning column 3 , wherein the positioning plate 2 is mounted on a base plate 9 via positioning pins 4 and screws, and the positioning core 1 is vertically mounted at the center of the positioning plate 2 .
[0020] The flange positioning assembly includes a lifting cylinder 20, a horizontal slider 16, and a positioning pin mounting plate 22, wherein the horizontal slider 16 is movably installed on the slide 5, the piston rod of the first horizontal cylinder 6 is connected to the outer end of the connecting block 15, and the bottom of the inner end of the horizontal slider 16 is provided with a positioning surface with a concave step, the connecting block 15 is embedded in the concave step and locked with the horizontal slider 16 by screws, and the connecting block 15 is connected to the first horizontal cylinder 6; the lifting cylinder 20 is vertically fixed on the top of the horizontal slider 16, and the piston rod of the lifting cylinder 20 is upwardly connected and fixed to the bottom of the positioning pin mounting plate 22, and the ends of the rod mounting plates 22 on the opposite sides of the two sets of flange positioning assemblies extend to form a support arm, which is "V" shaped when viewed from above, and the tip of the V is connected to the edge of the positioning pin mounting plate 22, and a positioning rod 21 is vertically installed at the bottom of the support arm fork arm, and the bottom of the lifting cylinder 20 is connected to the fixed plate 18, and the fixed plate 18 is connected to the horizontal slider 16 through the positioning square pin 19.
[0021] The water outlet pipe positioning assembly includes a cylinder fixing plate 13, a second horizontal cylinder 14, and a stopper 12, wherein the cylinder fixing plate 13 is fixed at the edge of the bottom plate 9 outside the lower positioning block 11 of the water outlet pipe, the second horizontal cylinder 14 is horizontally installed on the top of the cylinder fixing plate 13, and the stopper 12 is installed on the piston rod of the second horizontal cylinder 14; the top of the lower positioning block 11 of the water outlet pipe and the bottom of the upper positioning block 10 of the water outlet pipe are provided with water outlet pipe positioning grooves that cooperate with each other, and the stopper 12 is opposite to the water outlet pipe positioning groove and presses the water outlet pipe.
[0022] The rotating assembly includes four angular rotating cylinders 8, which are respectively located in four directions at the bottom of the base plate 9. The piston rods of the angular rotating cylinders 8 pass upward through the base plate 9 and are connected to corresponding angular positioning blocks.
[0023] After adopting the above scheme, the water outlet pipe rotating cylinder and the angle rotating cylinder are installed on the bottom through the corresponding motors to realize the rotation function; the boiler shell is put on the positioning core, the hole on the boiler shell is fitted with the positioning column, and the angle rotating cylinder drives the angle positioning block to rotate to limit the bottom of the boiler shell, and the piston rod of the first horizontal cylinder extends out, driving the horizontal slider to move toward the boiler shell on the slideway. After moving into place, the inner end of the horizontal slider contacts the outer peripheral surface of the upper part of the boiler shell to complete the positioning of the boiler shell, and the center hole of the water inlet flange is aligned with the top of the boiler shell and inserted. After insertion, the water inlet flange is supported by the inner end of the horizontal slider, and the lifting gas The piston rod of the cylinder drives the positioning rod to descend, and the bottom of the positioning rod is pressed on the water inlet flange to complete the positioning of the water inlet flange, and the water inlet pipe is placed in the water outlet pipe positioning groove to align the inner end of the water inlet pipe with the pipe hole on the boiler shell. The water outlet pipe rotating cylinder drives the positioning block on the water outlet pipe to descend to position the water outlet pipe. The piston rod of the second horizontal cylinder extends out, driving the stopper to move toward the water outlet pipe, so that the stopper contacts the outer end of the water outlet pipe and pushes the water outlet pipe to contact the boiler shell to complete the positioning of the water outlet pipe. After all parts are positioned, the next step of welding operation can be carried out. The structure after adopting this scheme is reasonable, the use effect is good, and the positioning is accurate.
[0024] The embodiments described above are only preferred embodiments of the present invention, and are not intended to limit the scope of implementation of the present invention. Therefore, all changes made based on the shape and principle of the present invention should be included in the protection scope of the present invention.
Claims
1. A laser welding positioning device for a water pump body, characterized in that: The utility model comprises a bottom plate (9), an upper water outlet pipe positioning block (10), and a lower water outlet pipe positioning block (11), wherein a slider seat (7) is fixed at each of the two ends of the top of the bottom plate (9), a first horizontal cylinder (6) is horizontally mounted on the outer end of the slider seat (7), a slideway (5) is provided on the top of the slider seat (7), a flange positioning assembly is movably mounted on the slideway (5), the first horizontal cylinder (6) is connected to the flange positioning assembly, a lower water outlet pipe positioning block (11) is fixed on one side of the top of the bottom plate (9), a water outlet pipe rotating cylinder (23) is mounted on the bottom plate (9) on one side of the lower water outlet pipe positioning block (11), the upper water outlet pipe positioning block (10) is mounted on the water outlet pipe rotating cylinder (23), a water outlet pipe positioning assembly is arranged on the outer side of the lower water outlet pipe positioning block (11), and a group of rotating assemblies are respectively mounted on four directions of the bottom plate (9); and a water inlet pipe assembly is mounted at the center of the top of the bottom plate (9).
2. A water pump body laser welding positioning device according to claim 1, characterized in that: The water inlet pipe assembly comprises a positioning core (1), a positioning plate (2), and a positioning column (3), wherein the positioning plate (2) is mounted on a base plate (9) via positioning pins (4) and screws, and the positioning core (1) is vertically mounted at the center of the positioning plate (2).
3. The water pump body laser welding positioning device according to claim 1, characterized in that: The flange positioning assembly comprises a lifting cylinder (20), a horizontal slider (16), and a positioning pin mounting plate (22), wherein the horizontal slider (16) is movably mounted on the slideway (5), the piston rod of the first horizontal cylinder (6) is connected to the outer end of the connecting block (15), the bottom of the inner end of the horizontal slider (16) is provided with a positioning surface with a concave step, the connecting block (15) is embedded in the concave step and is locked with the horizontal slider (16) by screws, and the connecting block (15) and the first horizontal cylinder (6) are connected; the lifting cylinder (20) is vertically fixed At the top of the horizontal slider (16), the piston rod of the lifting cylinder (20) is connected and fixed upward to the bottom of the positioning pin mounting plate (22). The ends of the rod mounting plate (22) on the opposite side of the two sets of flange positioning components extend to form a support arm. The support arm is in a "V" shape when viewed from above, and the tip of the V is connected to the edge of the positioning pin mounting plate (22). A positioning rod (21) is vertically installed at the bottom of the support arm fork arm. The bottom of the lifting cylinder (20) is connected to the fixed plate (18), and the fixed plate (18) is connected to the horizontal slider (16) through the positioning square pin (19).
4. The water pump body laser welding positioning device according to claim 1, characterized in that: The water outlet pipe positioning assembly comprises a cylinder fixing plate (13), a second horizontal cylinder (14), and a stopper (12), wherein the cylinder fixing plate (13) is fixed to the edge of the bottom plate (9) outside the water outlet pipe lower positioning block (11), the second horizontal cylinder (14) is horizontally mounted on the top of the cylinder fixing plate (13), and the stopper (12) is mounted on the piston rod of the second horizontal cylinder (14); the top of the water outlet pipe lower positioning block (11) and the bottom of the water outlet pipe upper positioning block (10) are provided with water outlet pipe positioning grooves that cooperate with each other, and the stopper (12) faces the water outlet pipe positioning grooves and presses the water outlet pipe.
5. The water pump body laser welding positioning device according to claim 1, characterized in that: The rotating assembly comprises an angular rotating cylinder (8), wherein four angular rotating cylinders (8) are respectively located at four directions at the bottom of the base plate (9), and piston rods of the angular rotating cylinders (8) pass upward through the base plate (9) and are connected to corresponding angular positioning blocks.
