High-stability laser welding machine machining limiting device with positioning mechanism

Abstract

The high-stability limiting device comprises a placing limiting mechanism and a rotary lifting mechanism, the placing limiting mechanism comprises a mounting base, positioning assemblies are arranged on the two sides of the upper end of the mounting base correspondingly, and the rotary lifting mechanism comprises a placing top base; supporting rods are symmetrically installed on the two sides of the lower end of the placing top base, the outer sides of the lower ends of the supporting rods are connected with the corresponding positions of the upper end of a rotating disc through connecting sleeves, and the middle of the rotating disc is connected with a driving mechanism. According to the high-stability limiting device provided with the positioning mechanism and used for laser welding machine machining, a workpiece is placed at the upper end of the limiting supporting frame, the welding position corresponds to the position of the positioning block, then the positioning assembly and the limiting column are used in cooperation, the workpiece is limited to the upper end of the limiting supporting frame, and meanwhile an electromagnetic block is started to fix the workpiece; and in addition, the operation is simple, and the workpiece fixing and limiting efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field related to laser welding machines, and in particular to a positioning device for laser welding machine processing with strong stability and a positioning mechanism. Background Art

[0002] Laser welding uses high-energy laser pulses to locally heat a small area of ​​the material. The energy of the laser radiation diffuses into the interior of the material through heat conduction, melting the material to form a specific molten pool. It is a new type of welding method, mainly for the welding of thin-walled materials and precision parts. It can realize spot welding, butt welding, lap welding, sealing welding, etc. It has a high aspect ratio, a small weld width, a small heat-affected zone, small deformation, fast welding speed, smooth and beautiful welds, no post-welding treatment or only simple treatment, high weld quality, no pores, can be precisely controlled, the focused light spot is small, the positioning accuracy is high, and it is easy to realize automation. When using a laser welding machine to process the workpiece, a limit device is required to limit and fix the workpiece, thereby improving the accuracy of the welding position.

[0003] The existing limit devices have many processes and complicated operations when positioning the workpiece, resulting in poor fixed limit efficiency. In addition, the structure has a single function and cannot adjust the height of the workpiece, which reduces the practicality of use. In view of the above problems, the existing equipment needs to be improved. Summary of the invention

[0004] The object of the present invention is to provide a limiting device for laser welding machine processing with a positioning mechanism and strong stability, so as to solve the problem that the existing limiting device proposed in the above background technology has many processes and cumbersome operation when positioning the workpiece, resulting in poor fixed limiting efficiency, and has a single structure and function, and cannot adjust the height of the workpiece, thereby reducing the practicality of use.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a positioning device for laser welding machine processing with strong stability and a positioning mechanism, comprising a placement limiting mechanism and a rotating lifting mechanism,

[0006] The placement limit mechanism includes a mounting base, two limit support frames are arranged on one side of the upper end of the mounting base, and an electromagnetic block is arranged on the inner side of the middle of the upper end of the limit support frame, and a plurality of limit columns are equidistantly threadedly connected on the outer sides of the upper ends of the two limit support frames, and two positioning components are arranged on the other side of the upper end of the mounting base, and the positions of the two positioning components are respectively arranged corresponding to the middle positions of one side of the two limit support frames;

[0007] The rotating lifting mechanism includes a placing top seat, and the upper end of the placing top seat is connected to the mounting base by a plurality of fixing bolts, and support rods are symmetrically installed on both sides of the lower end of the placing top seat, and the outer side of the lower end of the support rod is connected to the corresponding position of the upper end of the rotating disk through a connecting sleeve, and the middle of the rotating disk is connected to the driving mechanism, and the driving mechanism is installed on the inner side of the upper end of the fixed frame.

[0008] Preferably, the two limit support frames are U-shaped structures, and a plurality of reinforcing side panels are equidistantly arranged on the inner sides of the two limit support frames. At the same time, connecting plates are symmetrically installed at the upper and lower ends between the reinforcing side panels arranged inside the opposite sides of the two limit support frames, and a positioning block is installed in the middle of the upper end of the connecting plate arranged at the upper end, and the upper end surface of the positioning block is in the same horizontal plane as the upper end surface of the limit support frame.

[0009] Preferably, the positioning assembly includes a fixed seat, two of which are provided, and one of the fixed seats is rotatably connected to a universal joint, and the universal joint is connected to the bottom of the electric push rod, and the output end of the electric push rod is connected to a sliding sleeve through a first connecting frame, and the sliding sleeve is sleeved on the outside of the vertical rod, and the bottom of the lower end of the vertical rod is rotatably connected to the upper end of the other fixed seat, and a side positioning piece is installed on the lower end of the vertical rod near the side of the limiting support frame.

[0010] Preferably, a second connecting frame is provided on the outside of the first connecting frame, and the second connecting frame is rotatably connected to one end of the third connecting frame through the first connecting rod, and the other end of the third connecting frame is connected to one side of the upper positioning member through the second connecting rod, and the lower end of the upper positioning member is rotatably connected to a connecting column, and the lower end of the connecting column is connected to the top of the vertical rod, and a compression spring arranged on the outside of the lower end of the connecting column is sleeved on the outside of the upper end of the vertical rod, and the lower end of the compression spring is connected to the top of the sliding sleeve.

[0011] Preferably, the lower end of the support rod passes through the middle inner side of the upper end of the connecting sleeve, and the support rod and the connecting sleeve are slidably connected.

[0012] Preferably, the driving mechanism includes a lifting rod, and a positioning cylinder is sleeved on the outer side of the upper end of the lifting rod, and the lower ends of the two sides of the positioning cylinder are connected to the two sides of the upper end of the fixed disc through mounting rods, the outer side of the fixed disc is rotatably connected to the middle of the rotating disc through a bearing, and the two sides of the lower end of the fixed disc are connected to the fixed frame through fixed blocks, and the middle of the fixed disc is movably connected with a rotating rod, the lower end of the rotating rod passes through the fixed disc and is connected to the connecting bevel gear, and one side of the connecting bevel gear is meshed with the driving bevel gear connected to the output end of the first driving motor, and the top of the rotating rod extends to the upper inner end of the middle of the lifting rod.

[0013] Preferably, a connecting socket is installed on the top of the lifting rod, and the connecting socket is movably connected to a snap-fit ​​seat arranged in the middle of the lower end of the top seat. At the same time, the lifting rod is threadedly connected to an external thread opened on the outer side of the rotating rod through an internal thread opened in the middle of the inner side.

[0014] Preferably, the driving mechanism also includes a second driving motor, a driving pulley and a connecting belt, the second driving motor is installed at the upper end of one side of the fixed frame, and the output end of the second driving motor is installed with a driving pulley, and the driving pulley is connected to the rotating disk through a connecting belt.

[0015] Compared with the prior art, the beneficial effects of the present invention are: the positioning device for laser welding machine processing with a strong stability of the positioning mechanism,

[0016] (1) In order to solve the problem that the existing limiting device has many processes and cumbersome operations when positioning the workpiece, resulting in poor fixed limiting efficiency, the present application provides a limiting support frame, an electromagnetic block, a limiting column and a positioning assembly, by placing the workpiece on the upper end of the limiting support frame so that the welding position corresponds to the position of the positioning block, and then the positioning assembly and the limiting column are used together to limit the workpiece on the upper end of the limiting support frame, and at the same time, the electromagnetic block is started to fix the workpiece, thereby improving the stability of the workpiece during welding, and the operation is simple, and the fixed limiting efficiency of the workpiece is improved;

[0017] (2) In order to solve the problem that the existing limit device has a single structure and function, cannot adjust the height of the workpiece, and reduces the practicality of use, the present application is provided with a placing top seat, a support rod, a connecting sleeve, a rotating disk and a driving mechanism. Through the driving mechanism, it is convenient to lift and lower the placing top seat, thereby facilitating the adjustment of the height of the workpiece. At the same time, the supporting rod and the connecting sleeve are used in combination to improve the stability of the lifting and lowering of the placing top seat. The driving mechanism drives the rotating disk to rotate, so that the placing top seat rotates under the drive of the rotating disk, thereby facilitating the adjustment of the angle of the workpiece placement and improving the practicality of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view structural schematic diagram of the present invention;

[0019] Figure 2 It is a schematic diagram of the side structure of the position limiting support frame of the present invention;

[0020] Figure 3 This is a front view structural diagram of the placement limit mechanism of the present invention;

[0021] Figure 4 For the present invention Figure 3 The enlarged structural diagram at A in the middle;

[0022] Figure 5 This is a front view structural diagram of the rotary lifting mechanism of the present invention;

[0023] Figure 6 For the present invention Figure 5 The enlarged structural diagram at B in the middle;

[0024] Figure 7 It is a schematic diagram of the front cross-sectional structure of the connection between the lifting rod and the rotating rod of the present invention.

[0025] In the figure: 1. Installation base; 2. Limit support frame; 201. Reinforced side plate; 202. Connecting plate; 203. Positioning block; 3. Electromagnetic block; 4. Limiting column; 5. Positioning assembly; 501. Fixed seat; 502. Universal joint; 503. Electric push rod; 504. First connecting frame; 505. Sliding sleeve; 506. Vertical rod; 507. Side positioning piece; 508. Second connecting frame; 509. First connecting rod; 510. Third connecting frame; 511. Second connecting rod; 512. Upper positioning piece; 513. Connecting column; 514. Compression spring; 6. Place the top seat; 601, snap-fit ​​seat; 7, support rod; 8, connecting sleeve; 9, rotating disk; 10, driving mechanism; 1001, lifting rod; 10011, connecting socket; 10012, internal thread; 1002, positioning cylinder; 1003, mounting rod; 1004, fixed disc; 10041, fixed block; 1005, rotating rod; 10051, external thread; 1006, connecting bevel gear; 1007, driving bevel gear; 1008, first driving motor; 1009, second driving motor; 1010, driving pulley; 1011, connecting belt; 11, fixing frame. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-7 The present invention provides a technical solution: a positioning device for laser welding machine processing with a strong stability of the positioning mechanism, according to Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the placement limit mechanism includes a mounting base 1, two limit support frames 2 are arranged on one side of the upper end of the mounting base 1, and an electromagnetic block 3 is arranged on the inner side in the middle of the upper end of the limit support frame 2, so as to further fix and limit the workpiece and improve the stability of the workpiece placement. At the same time, a plurality of limit columns 4 are equidistantly threaded on the outer sides of the upper ends of the two limit support frames 2 to limit one side of the workpiece. The two limit support frames 2 are U-shaped structures, and a plurality of reinforcement side plates 201 are equidistantly arranged on the inner sides of the two limit support frames 2. At the same time, a connecting plate 202 is symmetrically installed on the upper and lower ends of the reinforcement side plates 201 arranged inside the opposite sides of the two limit support frames 2, and a positioning block 203 is installed in the middle of the upper end of the connecting plate 202 arranged at the upper end, and the upper end surface of the positioning block 203 is in the same horizontal plane as the upper end surface of the limit support frame 2, so as to facilitate the positioning of the welding position. Two positioning components 5 are arranged on the other side of the upper end of the mounting base 1, and the positions of the two positioning components 5 are respectively arranged corresponding to the middle positions of one side of the two limit support frames 2.

[0028] Specifically, the positioning assembly 5 includes a fixed seat 501, two fixed seats 501 are provided, and one fixed seat 501 is rotatably connected to a universal joint 502, and the universal joint 502 is connected to the bottom of the electric push rod 503, and at the same time, the output end of the electric push rod 503 is connected to the sliding sleeve 505 through the first connecting frame 504, the sliding sleeve 505 is sleeved on the outside of the vertical rod 506, and the bottom of the lower end of the vertical rod 506 is rotatably connected to the upper end of the other fixed seat 501, and at the same time, a side positioning member 507 is installed on the lower end of the vertical rod 506 near the side of the limiting support frame 2.

[0029] To further explain, a second connecting frame 508 is arranged on the outside of the first connecting frame 504, and the second connecting frame 508 is rotatably connected to one end of the third connecting frame 510 through a first connecting rod 509, and at the same time, the other end of the third connecting frame 510 is connected to one side of the upper positioning member 512 through a second connecting rod 511, and a connecting column 513 is rotatably connected to the lower end of the upper positioning member 512, and the lower end of the connecting column 513 is connected to the top of the vertical rod 506, and at the same time, a compression spring 514 arranged on the outer side of the lower end of the connecting column 513 is sleeved on the outer side of the upper end of the vertical rod 506, and the lower end of the compression spring 514 is connected to the top of the sliding sleeve 505.

[0030] When in use, the first connecting frame 504 is pushed to move by the output end of the electric push rod 503, so that the bottom of the electric push rod 503 and the bottom of the vertical rod 506 rotate and tilt inside the corresponding fixed seat 501, so that the side positioning member 507 fixes the side of the workpiece under the rotation of the vertical rod 506, and then the first connecting frame 504 drives the sliding sleeve 505 to move upward on the vertical rod 506 to squeeze the compression spring 514, and the second connecting frame 508 moves the third connecting frame 510 through the first connecting rod 509, so that the third connecting frame 510 drives the second connecting rod 511 and the upper positioning member 512 to move, and then the upper positioning member 512 rotates downward on the connecting column 513 to fix the upper end of the workpiece, thereby completing the positioning of the workpiece.

[0031] according to Figure 1 , Figure 5 , Figure 6 and Figure 7 As shown, the rotating lifting mechanism includes a placing top seat 6, and the upper end of the placing top seat 6 is connected to the mounting base 1 through a plurality of fixing bolts, and support rods 7 are symmetrically installed on both sides of the lower end of the placing top seat 6, and the outer side of the lower end of the support rod 7 is connected to the corresponding position of the upper end of the rotating disk 9 through a connecting sleeve 8, and the lower end of the support rod 7 passes through the middle inner side of the upper end of the connecting sleeve 8, and the support rod 7 and the connecting sleeve 8 are slidably connected, and the middle of the rotating disk 9 is connected to the driving mechanism 10, and the driving mechanism 10 is installed on the inner side of the upper end of the fixed frame 11.

[0032] Specifically, the driving mechanism 10 includes a lifting rod 1001, a connecting socket 10011 is installed on the top of the lifting rod 1001, and the connecting socket 10011 is movably connected to the snap-fit ​​seat 601 set in the middle of the lower end of the placing top seat 6, and a positioning cylinder 1002 is sleeved on the outer side of the upper end of the lifting rod 1001. At the same time, the lower ends of both sides of the positioning cylinder 1002 are connected to the upper ends of the fixed disc 1004 through the mounting rod 1003. The outer side of the fixed disc 1004 is rotatably connected to the middle of the rotating disc 9 through the bearing, and the lower ends of the fixed disc 1004 are connected to the rotating disc 9 through the fixing blocks 10041. It is connected to the fixed frame 11, and at the same time, a rotating rod 1005 is movably connected in the middle of the fixed disk 1004, the lower end of the rotating rod 1005 passes through the fixed disk 1004 and is connected to the connecting bevel gear 1006, and one side of the connecting bevel gear 1006 is meshed with the driving bevel gear 1007 connected to the output end of the first driving motor 1008, and at the same time, the top of the rotating rod 1005 extends to the upper end of the middle inner side of the lifting rod 1001, and the lifting rod 1001 is threadedly connected with the external thread 10051 opened on the outer side of the rotating rod 1005 through the internal thread 10012 opened in the middle of the inner side.

[0033] When in use, the first driving motor 1008 drives the driving bevel gear 1007 to rotate, so that the driving bevel gear 1007 drives the connecting bevel gear 1006 and the rotating rod 1005 to rotate, and at the same time, the lifting rod 1001 moves upward under the rotation of the rotating rod 1005, thereby lifting the placing top seat 6. At the same time, the support rod 7 moves upward synchronously inside the connecting sleeve 8, thereby adjusting the placement height of the workpiece on the upper end of the placing top seat 6.

[0034] Further description, the driving mechanism 10 also includes a second driving motor 1009, a driving pulley 1010 and a connecting belt 1011. The second driving motor 1009 is installed on the upper end of one side of the fixed frame 11, and the output end of the second driving motor 1009 is installed with a driving pulley 1010. At the same time, the driving pulley 1010 is connected to the rotating disk 9 through the connecting belt 1011.

[0035] When in use, the second drive motor 1009 drives the drive pulley 1010 to rotate, so that the connecting belt 1011 drives the rotating disk 9 to rotate, so that the connecting sleeve 8 set at the upper end of the rotating disk 9 drives the support rod 7 and the placing top seat 6 to rotate synchronously, thereby rotating the workpiece and adjusting the welding angle.

[0036] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the devices or elements referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the protection content of the present invention.

[0037] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A positioning device for laser welding machine with strong stability and a positioning mechanism, comprising a placement limiting mechanism and a rotating lifting mechanism, characterized in that: The placement limit mechanism comprises a mounting base (1), two limit support frames (2) are arranged on one side of the upper end of the mounting base (1), and an electromagnetic block (3) is arranged on the inner side of the middle of the upper end of the limit support frame (2), and a plurality of limit columns (4) are equidistantly threadedly connected to the outer sides of the upper ends of the two limit support frames (2), and two positioning components (5) are arranged on the other side of the upper end of the mounting base (1), and the positions of the two positioning components (5) are respectively arranged corresponding to the middle positions of one side of the two limit support frames (2); The rotary lifting mechanism comprises a placing top seat (6), and the upper end of the placing top seat (6) is connected to the mounting base (1) through a plurality of fixing bolts, and support rods (7) are symmetrically installed on both sides of the lower end of the placing top seat (6), and the outer side of the lower end of the support rod (7) is connected to the corresponding position of the upper end of the rotating disk (9) through a connecting sleeve (8), and the middle of the rotating disk (9) is connected to the driving mechanism (10), and the driving mechanism (10) is installed on the inner side of the upper end of the fixed frame (11).

2. The positioning device for laser welding machine processing with strong stability and a positioning mechanism as claimed in claim 1, characterized in that: The two limit support frames (2) are of U-shaped structure, and a plurality of reinforcing side panels (201) are evenly spaced inside the two limit support frames (2), and connecting plates (202) are symmetrically installed at the upper and lower ends between the reinforcing side panels (201) arranged inside opposite sides of the two limit support frames (2), and a positioning block (203) is installed in the middle of the upper end of the connecting plate (202) arranged at the upper end, and the upper end surface of the positioning block (203) is in the same horizontal plane as the upper end surface of the limit support frame (2).

3. The positioning device for laser welding machine processing with strong stability and a positioning mechanism as claimed in claim 1, characterized in that: The positioning assembly (5) comprises a fixed seat (501), wherein two fixed seats (501) are provided, and one fixed seat (501) is rotatably connected to a universal joint (502), and the universal joint (502) is connected to the bottom of an electric push rod (503), and the output end of the electric push rod (503) is connected to a sliding sleeve (505) through a first connecting frame (504), and the sliding sleeve (505) is sleeved on the outside of a vertical rod (506), and the bottom of the lower end of the vertical rod (506) is rotatably connected to the upper end of another fixed seat (501), and a side positioning member (507) is installed at the lower end of the vertical rod (506) close to the limiting support frame (2).

4. The positioning device for laser welding machine processing with strong stability and a positioning mechanism as claimed in claim 3, characterized in that: A second connecting frame (508) is arranged on the outside of the first connecting frame (504), and the second connecting frame (508) is rotatably connected to one end of the third connecting frame (510) through a first connecting rod (509), and at the same time, the other end of the third connecting frame (510) is connected to one side of the upper positioning member (512) through a second connecting rod (511), and the lower end of the upper positioning member (512) is rotatably connected to a connecting column (513), and the lower end of the connecting column (513) is connected to the top of the vertical rod (506), and at the same time, a compression spring (514) arranged on the outer side of the lower end of the connecting column (513) is sleeved on the outer side of the upper end of the vertical rod (506), and the lower end of the compression spring (514) is connected to the top of the sliding sleeve (505).

5. The positioning device for laser welding machine processing with strong stability and a positioning mechanism as claimed in claim 1, characterized in that: The lower end of the support rod (7) passes through the middle inner side of the upper end of the connecting sleeve (8), and the support rod (7) and the connecting sleeve (8) are slidably connected.

6. The positioning device for laser welding machine processing with strong stability and a positioning mechanism as claimed in claim 1, characterized in that: The driving mechanism (10) comprises a lifting rod (1001), and a positioning cylinder (1002) is sleeved on the outer side of the upper end of the lifting rod (1001), and the lower ends of both sides of the positioning cylinder (1002) are connected to the upper sides of the fixed disc (1004) through the mounting rod (1003), and the outer side of the fixed disc (1004) is rotatably connected to the middle of the rotating disc (9) through the bearing, and the lower ends of the fixed disc (1004) are connected to the fixed disc (9) through the fixing blocks (10041). The frame (11) is connected, and a rotating rod (1005) is movably connected in the middle of the fixed disc (1004). The lower end of the rotating rod (1005) passes through the fixed disc (1004) and is connected to the connecting bevel gear (1006), and one side of the connecting bevel gear (1006) is meshed with a driving bevel gear (1007) connected to the output end of the first driving motor (1008). At the same time, the top of the rotating rod (1005) extends to the upper end of the inner middle of the lifting rod (1001).

7. The positioning device for laser welding machine processing with strong stability and a positioning mechanism as claimed in claim 6, characterized in that: A connecting socket (10011) is installed on the top of the lifting rod (1001), and the connecting socket (10011) is movably connected to a snap-fit ​​seat (601) arranged in the middle of the lower end of the placement top seat (6). At the same time, the lifting rod (1001) is threadedly connected to an external thread (10051) provided on the outer side of the rotating rod (1005) through an internal thread (10012) provided in the middle of the inner side.

8. The positioning device for laser welding machine processing with strong stability and a positioning mechanism as claimed in claim 1, characterized in that: The driving mechanism (10) further comprises a second driving motor (1009), a driving pulley (1010) and a connecting belt (1011); the second driving motor (1009) is mounted on an upper end of one side of the fixed frame (11); and a driving pulley (1010) is mounted on an output end of the second driving motor (1009); and the driving pulley (1010) is connected to the rotating disk (9) via a connecting belt (1011).

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