Pump body end cover laser welding rotary clamp and pump body end cover laser welding equipment

Abstract

The utility model discloses a pump body end cover laser welding rotating clamp. The pump body end cover laser welding rotating clamp comprises a machine table, a supporting module, a left end pressing module, a right end pressing module and a rotating driving module. Wherein the supporting module is fixedly connected with the machine table and used for supporting the pump body; the left end pressing module is arranged at the left end of the supporting module and connected with the machine table. The right end pressing module is arranged at the right end of the supporting module and can be matched with the left end pressing module to press the two ends of the pump body. The rotary driving module is arranged on one side of the supporting module, a pair of first rollers is arranged at the output end of the rotary driving module and can make sliding contact with the side face of the pump body, and the rotary driving module drives the pump body to rotate by driving the first rollers to rotate. The utility model further discloses pump body end cover laser welding equipment. According to the utility model, automation of laser welding is realized, and the labor productivity is improved; the laser welding quality is improved, the sealing performance of a product is improved, and the service life of the product is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of laser welding of pump body end covers, and particularly relates to a laser welding rotary fixture for pump body end covers and a laser welding device for pump body end covers. Background Art

[0002] Before the invention of laser circumferential welding, the connection between the end cover and the pump body adopted a sealing ring pressing structure, which had a complex structure and poor deep-water pressure resistance sealing. Since it works immersed in a deep-water environment, the welding of the deep-water pump body end cover has very high requirements for welding sealing performance and corrosion resistance. The best way is laser welding. Laser welding is the welding of melting of the same material body. Therefore, laser welding is used for the welding of the deep-water pump body end cover. The circumferential weld has particularly high requirements for the track accuracy of the weld bead. The circumferential track movement of the robot cannot meet the accuracy requirements. In the present patent invention, a laser welding rotary fixture ensures the accurate position of the circumferential weld and meets the requirements of welding particularity, that is, good welding sealing performance and corrosion resistance. However, in the prior art, manual cooperation is still required for laser circumferential welding. There is an urgent need to invent a rotary fixture to cooperate with a laser welding device to improve the degree of automation. Summary of the Invention

[0003] According to an embodiment of the utility model, there is provided a laser welding rotary fixture for a pump body end cover, comprising:

[0004] A machine table;

[0005] A support module, which is fixedly connected to the machine table and is used for supporting the pump body;

[0006] A left-end pressing module, which is arranged at the left end of the support module and is connected to the machine table;

[0007] A right-end pressing module, which is arranged at the right end of the support module and can cooperate with the left-end pressing module to press both ends of the pump body;

[0008] A rotary driving module, which is arranged on one side of the support module, and a pair of first rollers are arranged at the output end thereof. The pair of first rollers can be in sliding contact with the side surface of the pump body. The rotary driving module drives the pump body to rotate by driving the pair of first rollers to rotate.

[0009] Further, the support module comprises: a plurality of first support frames, which are arranged on the machine table in sequence. A pair of second rollers are arranged at the top of the first support frames, and the pair of second rollers are used for supporting the pump body.

[0010] Further, the left-end pressing module comprises: a first fixing frame, a pair of first cylinders, a first sliding frame, a second cylinder and a first pressing member;

[0011] The first fixing frame is fixedly connected to the machine table, and the pair of first cylinders are fixedly connected to the first fixing frame;

[0012] The output ends of a pair of first cylinders are connected to a first sliding frame and can drive the first sliding frame to slide;

[0013] The first sliding frame is slidably connected to the machine table through a slide rail;

[0014] The second cylinder is arranged on the first sliding frame;

[0015] The first pressing member is rotatably connected to the output end of the second cylinder, and the second cylinder drives the first pressing member to press the left end of the pump body.

[0016] Furthermore, the right-end pressing module includes: a second fixing frame, a pair of third cylinders, a second sliding frame, a fourth cylinder, and a second pressing member;

[0017] The second fixing frame is movably connected to the machine table through a slide rail and can be locked to the corresponding slide rail by screws. A pair of third cylinders are fixedly connected to the second fixing frame;

[0018] The output ends of a pair of third cylinders are connected to the second sliding frame and can drive the second sliding frame to slide;

[0019] The second sliding frame is slidably connected to the machine table through a slide rail;

[0020] The fourth cylinder is arranged on the second sliding frame;

[0021] The second pressing member is rotatably connected to the output end of the fourth cylinder, and the fourth cylinder drives the second pressing member to press the right end of the pump body.

[0022] Furthermore, the rotation driving module includes: a lateral driving module, a longitudinal driving module, and a rotation driving module;

[0023] The lateral driving module is arranged on the machine table, and its output end is connected to the longitudinal driving module and can drive the longitudinal driving module to move laterally;

[0024] The output end of the longitudinal driving module is connected to the rotation driving module and can drive the rotation driving module to move longitudinally;

[0025] The output end of the rotation driving module is connected to a pair of first rollers and can drive the pair of first rollers to rotate.

[0026] Furthermore, the rotation driving module includes: a third fixing frame, a rotation driving motor, and a belt mechanism;

[0027] The third fixing frame is connected to the output end of the longitudinal driving module;

[0028] The rotation driving motor is arranged on the third fixing frame and can drive a pair of first rollers to rotate through the belt mechanism.

[0029] Further, it further includes: a first positioning plate, an elastic positioning pin, and a second positioning plate;

[0030] The first positioning plate is connected to the right-end pressing module;

[0031] The elastic positioning pin is connected to the first positioning plate and passes through the first positioning plate;

[0032] The second positioning plate is arranged on one side of the support module and is fixedly connected to the machine table;

[0033] A number of positioning holes are provided on the second positioning plate, and the elastic positioning pin is inserted into the positioning holes to fix the position of the right-end pressing module.

[0034] According to another embodiment of the present invention, there is also provided a laser welding device for a pump body end cover, which includes the laser welding rotary jig for the pump body end cover in the previous embodiment, and also includes a pair of laser welding devices. The pair of laser welding devices are respectively arranged on both sides of the support module and are used for welding the pump body and the pump body end cover.

[0035] The laser welding rotary jig for the pump body end cover and the laser welding device for the pump body end cover according to the embodiments of the present invention realize laser welding automation, improve labor productivity; improve the quality of laser welding, improve the sealing performance and service life of the product.

[0036] It should be understood that both the foregoing general description and the following detailed description are exemplary and are intended to provide further explanation of the claimed technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 is a schematic diagram of a perspective view according to an embodiment of the present invention;

[0038] Figure 2 is Figure 1 an enlarged view of part A of

[0039] Figure 3 is Figure 1 an enlarged view of part B of

[0040] Figure 4 is an internal structure diagram according to an embodiment of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0041] The preferred embodiments of the present invention will be described in detail below with reference to the drawings, and the present invention will be further elaborated.

[0042] First, the laser welding rotary jig for the pump body end cover according to the embodiment of the present invention will be described in combination with Figures 1 to 4 It is used for welding the end cover of the deep water pump body and has a wide range of application scenarios.

[0043] AsFigures 1 to 4 As shown in the figure, the laser welding rotary fixture for the pump body end cover of the embodiment of the present utility model includes:

[0044] A machine table 1;

[0045] A support module 2, which is fixedly connected to the machine table 1 and is used to support the pump body 6;

[0046] A left-end pressing module 3, which is arranged at the left end of the support module 2 and is connected to the machine table 1;

[0047] A right-end pressing module 4, which is arranged at the right end of the support module 2 and can cooperate with the left-end pressing module 3 to press both ends of the pump body 6;

[0048] A rotary drive module 5, which is arranged on one side of the support module 2, and a pair of first rollers 51 are arranged at the output end thereof. The pair of first rollers 51 can be in sliding contact with the side surface of the pump body 6, and the rotary drive module 5 drives the pump body 6 to rotate by driving the pair of first rollers 51 to rotate.

[0049] Furthermore, as Figures 1 to 4 shown, in this embodiment, the support module 2 includes: a plurality of first support frames 21, which are arranged on the machine table 1 in sequence. A pair of second rollers 22 are arranged at the top of the first support frame 21, and the pair of second rollers 22 are used to support the pump body 6.

[0050] Furthermore, as Figure 2 、 4 shown, in this embodiment, the left-end pressing module 3 includes: a first fixing frame 31, a pair of first cylinders 32, a first sliding frame 33, a second cylinder 34 and a first pressing member 35;

[0051] The first fixing frame 31 is fixedly connected to the machine table 1, and the pair of first cylinders 32 are fixedly connected to the first fixing frame 31;

[0052] The output ends of the pair of first cylinders 32 are connected to the first sliding frame 33, and can drive the first sliding frame 33 to slide, so that the first sliding frame 33 can quickly approach the pump body 6;

[0053] The first sliding frame 33 is slidably connected to the machine table 1 through a slide rail;

[0054] The second cylinder 34 is arranged on the first sliding frame 33;

[0055] The first pressing member 35 is rotatably connected to the output end of the second cylinder 34 and can rotate around its own axis to prevent interference with the second cylinder 34 when pressing the pump body 6, and the second cylinder 34 drives the first pressing member 35 to press the left end of the pump body 6.

[0056] Preferably, the right-end pressing module 4 and the left-end pressing module 3 have similar structures.

[0057] Furthermore, as Figures 3 to 4 shown, in this embodiment, the right-end pressing module 4 includes: a second fixing frame 41, a pair of third cylinders 42, a second sliding frame 43, a fourth cylinder 44, and a second pressing member 45;

[0058] The second fixing frame 41 is movably connected to the machine table 1 through a slide rail and can be locked to the corresponding slide rail by screws. A pair of third cylinders 42 are fixedly connected to the second fixing frame 41;

[0059] The output ends of the pair of third cylinders 42 are connected to the second sliding frame 43 and can drive the second sliding frame 43 to slide, so that the second sliding frame 43 quickly approaches the pump body 6;

[0060] The second sliding frame 43 is slidably connected to the machine table 1 through a slide rail;

[0061] The fourth cylinder 44 is arranged on the second sliding frame 43;

[0062] The second pressing member 45 is rotatably connected to the output end of the fourth cylinder 44 and can rotate around its own axis to prevent interference with the fourth cylinder 44 when pressing the pump body 6. The fourth cylinder 44 drives the second pressing member 45 to press the right end of the pump body 6.

[0063] Furthermore, as Figure 2 、 4 shown, in this embodiment, the rotation driving module 5 includes: a lateral driving module 52 (belonging to the prior art), a longitudinal driving module 53 (belonging to the prior art), and a rotation driving module 54;

[0064] The lateral driving module 52 is arranged on the machine table 1, and its output end is connected to the longitudinal driving module 53 and can drive the longitudinal driving module 53 to move laterally;

[0065] The output end of the longitudinal driving module 53 is connected to the rotation driving module 54 and can drive the rotation driving module 54 to move longitudinally;

[0066] The output end of the rotation driving module 54 is connected to a pair of first rollers 51 and can drive the pair of first rollers 51 to rotate.

[0067] Furthermore, as Figure 2 shown, in this embodiment, the rotation driving module 54 includes: a third fixing frame 541, a rotation driving motor 542, and a belt mechanism 543;

[0068] The third fixing frame 541 is connected to the output end of the longitudinal driving module 53;

[0069] The rotation drive motor 542 is arranged on the third fixing bracket 541 and can drive a pair of first rollers 51 to rotate through a belt mechanism 543.

[0070] Furthermore, as Figure 1 , 4 shown, in this embodiment, it further includes: a first positioning plate 71, an elastic positioning pin 72 and a second positioning plate 73;

[0071] The first positioning plate 71 is fixedly connected to the second fixing bracket 41 of the right - end pressing module 4.

[0072] The elastic positioning pin 72 is connected to the first positioning plate 71 and passes through the first positioning plate 71.

[0073] The second positioning plate 73 is arranged on one side of the support module 2 and is fixedly connected to the machine table 1.

[0074] A plurality of positioning holes 731 are arranged on the second positioning plate 73. The elastic positioning pin 72 is inserted into the positioning holes 731 to fix the position of the right - end pressing module 4.

[0075] According to another embodiment of the present utility model, a laser welding device for a pump body end cover is further provided, which includes the laser welding rotating jig for the pump body end cover in the previous embodiment, and further includes a pair of laser welding devices 8. The pair of laser welding devices 8 are respectively arranged on both sides of the support module 2 and are used for welding the pump body 6 and the end cover of the pump body 6.

[0076] Working principle: First, push the second fixing bracket 41 along the corresponding slide rail towards the pump body 6 to a suitable position (determined according to the length of the pump body 6), and insert the elastic positioning pin 72 into the corresponding positioning hole 731. Secondly, place the pump body 6 with the end cover on a pair of second rollers 22 of a plurality of first support frames 21. Then, when the first cylinder 32 drives the first sliding frame 33 to approach the pump body 6 to a certain distance and stops, the second cylinder 34 drives the first pressing member 35 to contact the left end of the pump body 6; at the same time, when the third cylinder 42 drives the second sliding frame 43 to approach the pump body 6 to a certain distance and stops, the fourth cylinder 44 drives the second pressing member 45 to cooperate with the first pressing member 35 to axially press the pump body 6. Then, the transverse drive module 52 drives the first roller 51 to approach the pump body 6 horizontally, the longitudinal drive module 53 drives the first roller 51 to contact and press the pump body 6, and the rotation drive motor 542 of the rotation drive module 54 drives a pair of first rollers 51 to rotate. The pump body 6 rotates with the pair of first rollers 51, and the laser welding device 8 starts welding. Finally, after welding is completed, the pair of first rollers 51 retract, the first pressing member 35 and the second pressing member 45 retract, and the pump body 6 is taken off.

[0077] Above, with reference to Figures 1 to 4A laser welding rotary fixture for a pump body end cover and a laser welding device for a pump body end cover according to an embodiment of the present utility model are described, realizing the automation of laser welding, improving labor productivity; improving the quality of laser welding, and improving the sealing performance and service life of products.

[0078] It should be noted that in this specification, the terms "including", "comprising" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements but also includes other elements not expressly listed, or further includes elements inherent in such process, method, article or device. Without further limitation, an element defined by the statement "comprising..." does not exclude the presence of additional identical elements in the process, method, article or device including the element.

[0079] Although the content of the present utility model has been introduced in detail through the above preferred embodiments, it should be recognized that the above description should not be considered as a limitation of the present utility model. After those skilled in the art have read the above content, various modifications and substitutions to the present utility model will be obvious. Therefore, the protection scope of the present utility model should be defined by the appended claims.

Claims

1. A pump body end cover laser welding rotating fixture, characterized in that: Include: Machine; A support module, the support module is fixedly connected to the machine platform and is used to support the pump body; A left-end pressing module, which is arranged at the left end of the supporting module and connected to the machine platform; A right-end clamping module, which is arranged at the right end of the support module and can cooperate with the left-end clamping module to clamp the pump body at both ends; A rotation drive module is arranged on one side of the support module, and a pair of first rollers are arranged at its output end. The pair of first rollers can be in sliding contact with the side surface of the pump body. The rotation drive module drives the pump body to rotate by driving the pair of first rollers to rotate.

2. The pump body end cover laser welding rotating fixture according to claim 1, characterized in that: The support module comprises: a plurality of first support frames, which are sequentially arranged on the machine platform; a pair of second rollers are arranged on the top of the first support frames, and the pair of second rollers are used to support the pump body.

3. The pump body end cover laser welding rotating fixture according to claim 1, characterized in that: The left end pressing module comprises: a first fixed frame, a pair of first cylinders, a first sliding frame, a second cylinder and a first pressing member; The first fixing frame is fixedly connected to the machine platform, and the pair of first cylinders are fixedly connected to the first fixing frame; The output ends of the pair of first cylinders are connected to the first sliding frame, and can drive the first sliding frame to slide; The first sliding frame is slidably connected to the machine platform via a slide rail; The second cylinder is disposed on the first sliding frame; The first pressing member is rotatably connected to the output end of the second cylinder, and the second cylinder drives the first pressing member to press the left end of the pump body.

4. The pump body end cover laser welding rotating fixture according to claim 1, characterized in that: The right end pressing module comprises: a second fixed frame, a pair of third cylinders, a second sliding frame, a fourth cylinder and a second pressing member; The second fixing frame is movably connected to the machine platform via a slide rail and can be locked on the corresponding slide rail via screws, and the pair of third cylinders are fixedly connected to the second fixing frame; The output ends of the pair of third cylinders are connected to the second sliding frame, and can drive the second sliding frame to slide; The second sliding frame is slidably connected to the machine platform via a slide rail; The fourth cylinder is arranged on the second sliding frame; The second pressing member is rotatably connected to the output end of the fourth cylinder, and the fourth cylinder drives the second pressing member to press the right end of the pump body.

5. The pump body end cover laser welding rotating fixture according to claim 1, characterized in that: The rotation drive module comprises: a transverse drive module, a longitudinal drive module and a rotation drive module; The transverse driving module is arranged on the machine platform, and its output end is connected to the longitudinal driving module, and can drive the longitudinal driving module to move transversely; The output end of the longitudinal driving module is connected to the rotation driving module, and can drive the rotation driving module to move longitudinally; The output end of the rotation driving module is connected to the pair of first rollers and can drive the pair of first rollers to rotate.

6. The pump body end cover laser welding rotating fixture as claimed in claim 5, characterized in that: The rotary drive module comprises: a third fixing frame, a rotary drive motor and a belt mechanism; The third fixing frame is connected to the output end of the longitudinal driving module; The rotary drive motor is arranged on the third fixing frame and can drive the pair of first rollers to rotate through a belt mechanism.

7. The pump body end cover laser welding rotating fixture according to claim 1, characterized in that: It also includes: a first positioning plate, an elastic positioning pin and a second positioning plate; The first positioning plate is connected to the right end clamping module; The elastic positioning pin is connected to the first positioning plate and passes through the first positioning plate; The second positioning plate is arranged on one side of the supporting module and is fixedly connected to the machine platform; The second positioning plate is provided with a plurality of positioning holes, and the elastic positioning pins are inserted into the positioning holes to fix the position of the right end clamping module.

8. A pump body end cover laser welding equipment, comprising the pump body end cover laser welding rotating fixture according to any one of claims 1 to 7, characterized in that: It also comprises a pair of laser welding devices, which are respectively arranged on both sides of the supporting module and are used for welding the pump body and the pump body end cover.

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