Clamping mechanism for laser fusion covering of metal workpiece

Abstract

The utility model relates to the technical field of laser fusion covering processing, in particular to a clamping mechanism for laser fusion covering of metal workpieces, which comprises a shell, a plurality of rotating shafts are mounted in an inner cavity of the shell, a driving motor is mounted at one end of each rotating shaft, chucks are mounted on opposite surfaces of the rotating shafts, threaded rods are mounted on the surfaces of the chucks, and the threaded rods are connected with the driving motor. One end of the threaded rod extends to an inner cavity of the chuck, a limiting block is mounted on the surface of the threaded rod, limiting grooves are formed in one end of the limiting block and one end of the chuck, a plurality of sliding blocks are mounted in inner cavities of the limiting grooves, mounting blocks are mounted at one ends of the sliding blocks, and fixing bolts are mounted in inner cavities on one sides of the mounting blocks; one end of the fixing bolt extends to an inner cavity of the sliding block, an electric push rod is installed at the top end of the installation block, a clamping jaw is installed in the position, at one end of an output rod of the electric push rod, of an inner cavity of the installation block, and a round hole is formed in one side of the clamping jaw.

Description

Technical Field

[0001] The utility model relates to the field of laser cladding processing, in particular to a clamping mechanism for laser cladding of metal workpieces. Background Art

[0002] Laser cladding refers to the process of melting a thin layer on the surface of a substrate at the same time through laser irradiation, and then rapidly solidifying to form a surface coating with extremely low dilution and metallurgical bonding with the substrate material, thereby improving the wear resistance, corrosion resistance, heat resistance, oxidation resistance and electrical properties of the substrate material surface.

[0003] During laser cladding of metal workpieces, fixed clamping mechanisms are usually used to fix the workpieces. However, these clamping mechanisms are often only applicable to workpieces of specific shapes, lack flexibility, and cannot adapt to the geometric shapes of different workpieces. Utility Model Content

[0004] The utility model aims to provide a clamping mechanism for laser cladding of metal workpieces to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a clamping mechanism for laser melting and cladding of metal workpieces, comprising a shell, a plurality of rotating shafts are installed in the inner cavity of the shell, a driving motor is installed at one end of the rotating shaft, a chuck is installed on the opposite side of the rotating shaft, a threaded rod is installed on the surface of the chuck, one end of the threaded rod extends to the inner cavity of the chuck, a limiting block is installed on the surface of the threaded rod, a limiting groove is installed on one end of the limiting block and the chuck, a plurality of sliding blocks are installed in the inner cavity of the limiting groove, a mounting block is installed at one end of the sliding block, a fixing bolt is installed in the inner cavity of one side of the mounting block, one end of the fixing bolt extends to the inner cavity of the sliding block, an electric push rod is installed on the top of the mounting block, a claw is installed in the inner cavity of the mounting block at one end of the output rod of the electric push rod, and a round hole is opened on one side of the claw.

[0006] Preferably, a sliding groove is provided at the bottom end of the inner cavity of the shell, a connecting pipe is installed in the inner cavity of the sliding groove, and a universal tube is installed in the inner cavity of the connecting pipe.

[0007] Preferably, a plurality of drainage holes are provided at the bottom end of the inner cavity of the shell outside the sliding groove, and a water receiving tray is installed in the inner cavity of the shell surface.

[0008] Preferably, a controller is installed in the inner cavity of the shell surface outside the water receiving tray, and a control panel is installed on the surface of the controller.

[0009] Preferably, connecting plates are installed at the four corners of the front and rear surfaces of the shell, and a reserved hole is opened at the top of the connecting plate.

[0010] Preferably, the front and rear surfaces of the inner cavity of the mounting block are both provided with guide grooves, and the clamping claws are slidably connected to the guide grooves.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model adopts a variable angle design and is suitable for metal workpieces of various shapes and metal workpieces at different angles. Secondly, the modular design makes the adjustment of the clamping mechanism faster, reduces the production preparation time, improves the production efficiency, and makes maintenance simpler and more convenient, thereby reducing the long-term maintenance cost.

[0013] The workpiece is cooled and cleaned by spraying coolant or cleaning liquid through the universal tube, which ensures the stability of the workpiece during the laser cladding process and improves the uniformity and accuracy of the workpiece surface treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings:

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a cross-sectional view of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the controller of the utility model;

[0018] Figure 4 It is a partial enlarged view of the utility model.

[0019] In the figure: 1. Shell; 101. Rotating shaft; 102. Driving motor; 2. Chuck; 201. Threaded rod; 202. Limit block; 203. Limit groove; 204. Sliding block; 3. Mounting block; 301. Fixing bolt; 302. Electric push rod; 303. Clamping claw; 304. Round hole; 4. Sliding groove; 401. Connecting pipe; 402. Universal pipe; 5. Drain hole; 501. Water tray; 6. Controller; 601. Control panel; 7. Connecting plate; 701. Reserved hole; 8. Guide groove. DETAILED DESCRIPTION

[0020] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in combination with the accompanying drawings by way of examples.

[0021] It should be noted that many specific details are set forth in the following description to facilitate a full understanding of the present invention. However, the present invention can also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0022] In addition, in the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0023] In the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. However, if it is indicated as a direct connection, it means that the two connected bodies are not connected through an intermediate structure, but are connected to form a whole only through a connecting structure. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0024] In the present utility model, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0025] Embodiment 1

[0026] See also Figures 1 to 4 The utility model provides a technical solution: a clamping mechanism for laser melting and cladding of metal workpieces, comprising a housing 1, a plurality of rotating shafts 101 are installed in the inner cavity of the housing 1, and a driving motor 102 is installed at one end of the rotating shaft 101;

[0027] By setting a driving motor 102, the driving motor 102 is started to drive the rotating shaft 101 to rotate, and the rotation of the rotating shaft 101 can drive the chuck 2 to rotate, thereby driving the workpiece to adjust the angle or rotate;

[0028] A chuck 2 is installed on one side opposite to the rotating shaft 101, a threaded rod 201 is installed on the surface of the chuck 2, one end of the threaded rod 201 extends to the inner cavity of the chuck 2, a limit block 202 is installed on the surface of the threaded rod 201, a limit groove 203 is installed on the limit block 202 and one end of the chuck 2, and a plurality of sliding blocks 204 are installed in the inner cavity of the limit groove 203;

[0029] By setting the limit block 202, rotating the threaded rod 201 can drive the limit block 202 to move upward, and the sliding block 204 can be disassembled or installed at this time. After the disassembly or installation is completed, the threaded rod 201 is rotated to make the sliding block 204 return to its original position, and the installation block 3 is connected to the sliding block 204;

[0030] A mounting block 3 is mounted on one end of the sliding block 204, a fixing bolt 301 is mounted in the inner cavity of one side of the mounting block 3, one end of the fixing bolt 301 extends to the inner cavity of the sliding block 204, an electric push rod 302 is mounted on the top of the mounting block 3, a claw 303 is mounted in the inner cavity of the mounting block 3 at one end of the output rod of the electric push rod 302, and a round hole 304 is opened on one side of the claw 303;

[0031] By setting the fixing bolt 301, when the angle of the claw 303 needs to be adjusted, first insert the tool into the inner cavity of the circular hole 304, then connect the tool with the fixing bolt 301, and loosen the fixing bolt 301. At this time, the sliding block 204 is loose, and then the angle of the claw 303 can be adjusted according to the needs. After the adjustment is completed, tighten the fixing bolt 301, the surface of the sliding block 204 and the limiting groove 203 are squeezed to generate a large friction force, so that the claw 303 is fixed;

[0032] By setting the clamping claw 303, the clamping claw 303 is mainly used to hold the workpiece. At the same time, each clamping claw 303 has an independent driving and adjusting mechanism to ensure the effective clamping of the workpiece. When clamping the workpiece, the output rod of the electric push rod 302 drives the clamping claw 303 to move, thereby driving the clamping claw 303 to clamp the workpiece.

[0033] Embodiment 2

[0034] On the basis of the first embodiment, a sliding groove 4 is provided at the bottom end of the inner cavity of the housing 1, a connecting pipe 401 is installed in the inner cavity of the sliding groove 4, and a universal pipe 402 is installed in the inner cavity of the connecting pipe 401;

[0035] By setting the sliding groove 4, the connecting tube 401 can slide left and right in the inner cavity of the sliding groove 4, thereby driving the universal tube 402 to adjust the position. At the same time, the universal tube 402 can adjust the angle in multiple directions to adapt to injection at different angles;

[0036] When it is necessary to spray coolant or cleaning liquid on the surface of the workpiece and cool or clean the workpiece, first use a pipe to connect one end of the connecting pipe 401, and the coolant or cleaning liquid will enter the inner cavity of the universal tube 402 through the pipe and the connecting pipe 401. At this time, adjust the universal tube 402 to a suitable position and angle, and then open the valve of the inner cavity of the universal tube 402, so that the coolant or cleaning liquid can be sprayed onto the surface of the workpiece to cool or clean the workpiece.

[0037] Embodiment 3

[0038] On the basis of the second embodiment, a plurality of drainage holes 5 are provided at the bottom of the inner cavity of the housing 1 outside the sliding groove 4, and a water receiving tray 501 is installed in the inner cavity of the surface of the housing 1;

[0039] By providing the drainage hole 5 and the water receiving tray 501, when the universal tube 402 sprays coolant or cleaning liquid onto the surface of the workpiece and cools or cleans the workpiece, excess coolant or cleaning liquid and coolant or cleaning liquid dripping from the surface of the workpiece will fall to the bottom of the inner cavity of the shell 1 and enter the inner cavity of the water receiving tray 501 through the drainage hole 5 for collection, thereby preventing the coolant or cleaning liquid from flowing around and polluting the workshop environment. At the same time, the coolant or cleaning liquid in the inner cavity of the water receiving tray 501 can be filtered and reused repeatedly to avoid unnecessary waste.

[0040] Embodiment 4

[0041] On the basis of the third embodiment, a controller 6 is installed on the inner cavity of the surface of the housing 1 outside the water receiving tray 501, and a control panel 601 is installed on the surface of the controller 6;

[0042] By setting up the controller 6, the controller 6 is mainly used to control the opening and closing of the electric push rod 302 and the universal tube 402, and to monitor the clamping force and the working status of the universal tube 402 in real time. At the same time, the control panel 601 has display and touch functions. The real-time monitored clamping force and the working status of the universal tube 402 will be displayed on the surface of the control panel 601 for the user to watch.

[0043] Embodiment 5

[0044] On the basis of the first embodiment, connecting plates 7 are installed at the four corners of the front and rear surfaces of the housing 1, and a reserved hole 701 is opened at the top of the connecting plate 7;

[0045] By providing the reserved hole 701, the inner cavity of the reserved hole 701 is mainly used to install bolts for fixing the mechanism or fixing the mechanism to the laser cladding.

[0046] Embodiment 6

[0047] On the basis of the first embodiment, the front and rear surfaces of the inner cavity of the mounting block 3 are both provided with guide grooves 8, and the claws 303 are slidably connected with the guide grooves 8;

[0048] By providing the guide groove 8, the guide groove 8 is mainly used to limit and guide the claw 303, thereby improving the stability of the claw 303 when moving.

[0049] When the utility model is in use, the workpiece is placed between the clamping claws 303, the electric push rod 302 is started, and the output rod of the electric push rod 302 drives the clamping claw 303 to move, so as to clamp the workpiece. When the angle of the clamping claw 303 needs to be adjusted, the tool is first inserted into the inner cavity of the circular hole 304, and then the tool is connected with the fixing bolt 301, and the fixing bolt 301 is loosened. At this time, the sliding block 204 is loosened, and then the angle of the clamping claw 303 can be adjusted according to the needs. After the adjustment is completed, the fixing bolt 301 is tightened, and the surface of the sliding block 204 is adjusted. It is squeezed with the limit groove 203 to generate a large friction force, thereby fixing the claw 303. When it is necessary to spray coolant or cleaning liquid on the surface of the workpiece and cool or clean the workpiece, first use a pipe to connect one end of the connecting pipe 401, and the coolant or cleaning liquid will enter the inner cavity of the universal tube 402 through the pipe and the connecting pipe 401. At this time, adjust the universal tube 402 to a suitable position and angle, and then open the valve of the inner cavity of the universal tube 402, so that the coolant or cleaning liquid can be sprayed onto the surface of the workpiece to cool or clean the workpiece.

[0050] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0051] The utility model is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. A clamping mechanism for laser cladding of a metal workpiece, comprising a housing (1), a plurality of rotating shafts (101) being installed in the inner cavity of the housing (1), a driving motor (102) being installed at one end of the rotating shaft (101), characterized in that: A chuck (2) is installed on one side opposite to the rotating shaft (101), a threaded rod (201) is installed on the surface of the chuck (2), one end of the threaded rod (201) extends to the inner cavity of the chuck (2), a limit block (202) is installed on the surface of the threaded rod (201), a limit groove (203) is installed on the limit block (202) and one end of the chuck (2), and a plurality of sliding blocks (204) are installed in the inner cavity of the limit groove (203); A mounting block (3) is installed at one end of the sliding block (204); a fixing bolt (301) is installed in the inner cavity of one side of the mounting block (3); one end of the fixing bolt (301) extends to the inner cavity of the sliding block (204); an electric push rod (302) is installed at the top end of the mounting block (3); a clamping claw (303) is installed in the inner cavity of the mounting block (3) at one end of the output rod of the electric push rod (302); and a round hole (304) is opened on one side of the clamping claw (303).

2. The clamping mechanism for laser cladding of a metal workpiece according to claim 1, characterized in that: A sliding groove (4) is provided at the bottom end of the inner cavity of the housing (1), a connecting pipe (401) is installed in the inner cavity of the sliding groove (4), and a universal tube (402) is installed in the inner cavity of the connecting pipe (401).

3. The clamping mechanism for laser cladding of a metal workpiece according to claim 2, characterized in that: A plurality of drainage holes (5) are provided at the bottom end of the inner cavity of the shell (1) outside the sliding groove (4), and a water receiving tray (501) is installed in the inner cavity on the surface of the shell (1).

4. The clamping mechanism for laser cladding of a metal workpiece according to claim 3, characterized in that: A controller (6) is installed in the inner cavity of the surface of the shell (1) outside the water receiving tray (501), and a control panel (601) is installed on the surface of the controller (6).

5. The clamping mechanism for laser cladding of a metal workpiece according to claim 1, characterized in that: Connecting plates (7) are installed at the four corners of the front and rear surfaces of the shell (1), and a reserved hole (701) is opened at the top of the connecting plate (7).

6. The clamping mechanism for laser cladding of a metal workpiece according to claim 1, characterized in that: The front and rear surfaces of the inner cavity of the mounting block (3) are both provided with guide grooves (8), and the clamping claws (303) are slidably connected to the guide grooves (8).

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