CN111390402A - Automatic change elbow laser cutting equipment - Google Patents

Abstract

The invention relates to automatic elbow laser cutting equipment, which comprises an equipment body, a movable operation platform, a hinge four-bar mechanism and an elbow corner mechanism, wherein the movable operation platform, the hinge four-bar mechanism and the elbow corner mechanism are positioned in the equipment body; one end of the hinge four-bar mechanism is connected with the mobile operation platform, the other end of the hinge four-bar mechanism is connected with the linear sliding table of the elbow corner mechanism, and the hinge four-bar mechanism and the linear sliding table are also connected through a linear driving mechanism; the elbow workpiece positioning device is reasonable in structural design, can effectively improve the cutting precision and the machining efficiency of the elbow workpiece, enables the elbow workpiece to be positioned more accurately and is more convenient for workers to operate.

Description

An automatic elbow laser cutting equipment

technical field

The invention relates to the technical field of cutting machinery, in particular to an automatic elbow laser cutting device.

Background technique

The non-ferrous metal elbow cutting equipment is a special equipment for the cutting industry. The earliest cutting process was done manually by skilled workers, which was time-consuming and labor-intensive with poor precision. With the continuous advancement of technology, the elbow cutting process with laser cutting as the mainstream has appeared in the industry in recent years. However, the currently used laser elbow cutting machines generally have rough workmanship, excessive tailings, and elbow workpieces. The inconvenient clamping and the inaccurate positioning of the elbow workpiece have been criticized by users who use the equipment.

For example, three-jaw chucks are commonly used in the industry. The disadvantage is that the three-jaw chucks on the market cannot clamp elbows of various specifications, which leads to frequent replacement of chucks during work, which is time-consuming and labor-intensive. The area is large, and when it is cut to the end, it will collide with the cutting torch, resulting in too much remaining tailings at the end, resulting in waste;

Moreover, the running track of the cutting torch and the elbow rotation mechanism overlap in space, which is prone to contact and interfere with each other, resulting in cutting accidents.

Therefore, the development of a convenient, efficient and easy-to-use professional elbow cutting equipment has become an urgent need in the industry.

SUMMARY OF THE INVENTION

In order to solve the deficiencies in the prior art, the purpose of the present invention is to provide a convenient, efficient and easy-to-use automatic elbow laser cutting equipment, which can effectively improve the cutting accuracy and processing efficiency of the elbow workpiece, and enable the positioning of the elbow workpiece. More accurate and more convenient for workers to operate.

The technical scheme adopted by the present invention to solve its technical problems is:

An automatic elbow laser cutting equipment is characterized in that: it comprises an equipment body, a mobile operation platform inside the equipment body, a hinge four-bar mechanism and an elbow angle mechanism;

One end of the hinge four-bar mechanism is connected with the mobile operation platform, and the other end of the hinge four-bar mechanism is connected with the linear slide table of the elbow corner mechanism, and the two are also connected by a linear drive mechanism. The main body of the mechanism is rotatably connected with the mobile operation platform, the driving end of the linear drive mechanism is connected with the hinge four-bar mechanism, and the linear drive mechanism drives the elbow corner mechanism to complete the corner action through the hinge four-bar mechanism. An elbow workpiece is fixed on the head turning mechanism.

The elbow turning mechanism includes a linear slide table and a fixed plate connected with the slider of the linear slide table, at least two sets of clamping claws connected to the fixed plate are respectively provided, and the outer side of the clamping claws is provided with a fixed plate connected to it. The elbow workpiece.

The clamping claw is slidably connected with the fixing plate.

The fixing plate is provided with a chute, and the claws are slidably arranged in the chute, and the claws are also connected and fixed with the fixing plate by a fastener.

The hinged four-bar mechanism includes two sets of rockers and two sets of connecting rods, wherein: the first rocker and the middle of the first connecting rod are rotatably connected;

One end of the first rocker is rotatably connected with the mobile operation platform, the other end of the first rocker is rotatably connected with one end of the second link, and the other end of the second link is rotatably connected with the linear slide of the mobile operation platform;

One end of the first connecting rod is rotatably connected with the linear slide of the mobile operation platform, the other end of the first connecting rod is rotatably connected with one end of the second rocker, and the other end of the second rocker is rotatably connected with the mobile operation platform, And the middle part of the second rocker is connected with the driving end of the linear drive mechanism.

The mobile operation platform also includes at least one set of linear guide rails and a set of linear drive mechanisms. Connect to the mobile operating platform described above.

It also includes a positioning baffle and a linear driving mechanism, one end of the positioning baffle is provided with a bending part, and the bending part is rotatably connected with the mobile operation platform, and the body of the linear driving mechanism is connected to the moving operation platform. The platform is rotatably connected, the driving end of the linear drive mechanism is rotatably connected with the bent end of the positioning baffle, and the positioning baffle is driven by the linear drive mechanism and rotates between the moving operation platform and the elbow workpiece.

The equipment body includes a rack and a protective panel, the rack is a three-dimensional frame structure, and the outer surfaces of the rack are respectively installed with the protective panels connected and fixed therewith.

An operation port is provided on the side of the protection panel close to the elbow turning mechanism, and a door panel connected and fixed with the protection panel is arranged outside the operation port.

The linear drive mechanism adopts a lead screw motor or an electric push rod.

The beneficial effects of the invention are that the structure design is reasonable, the cutting precision and processing efficiency of the elbow workpiece can be effectively improved, the positioning of the elbow workpiece is more accurate, and the operation of the worker is more convenient.

The design of the front and rear separate jaws can greatly reduce the residual material and make it more convenient to clamp the elbow workpiece.

The corner of the elbow is designed with a hinged four-bar mechanism, which solves the problem of collision between the elbow workpiece jaw and the cutting torch.

The mobile operation platform is adopted to push the elbow workpiece out of the equipment body when clamping the elbow workpiece, which makes the clamping operation more convenient.

The baffle of the rotating shaft installation structure is assembled with a rotating shaft and an electric push rod. When clamping the elbow workpiece, the electric push rod will push the baffle to the designated position, which is fast and accurate, and does not take up too much space.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

FIG. 1 is a schematic view of the front structure of the present invention.

FIG. 2 is a schematic diagram of the axonometric structure of the present invention.

Figure 3 is a schematic structural diagram of the present invention (partial perspective).

FIG. 4 is a schematic cross-sectional structure diagram of the present invention.

FIG. 5 is a schematic structural diagram of a mobile operation platform, a four-bar hinge mechanism and an elbow angle mechanism.

FIG. 6 is a schematic diagram of the structure of the elbow turning mechanism.

In the figure: 1, the first servo motor; 2, the second servo motor; 3, the third servo motor; 4, the fourth servo motor; 5, the fifth servo motor; 6, the door panel; 7, the rotating arm; 8, the cutting Gun body; 9. The first ball screw; 10. Four-bar hinge mechanism; 11. Front jaw; 12. Rear jaw; 13. Fixed plate; 14. Positioning baffle; 15. Linear guide rail; Platform; 17, second ball screw; 18, electric push rod; 19, elbow workpiece, 20, first rocker; 21, first link; 22, second rocker; 23, second link; 24 adjustment screws; 25 second linear slide, 26 protective panel, 27 frame, 28 elbow corner mechanism, 29 first linear slide.

Detailed ways

The embodiments of the present invention are described below by specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

As shown in FIGS. 1 to 6 : this embodiment provides an automatic elbow laser cutting equipment, including an equipment body and a torch mechanism, a mobile operating platform 16 , a hinge four-bar mechanism 10 and an elbow corner mechanism located inside the equipment body 28. The whole cutting equipment adopts PLC controller to realize automatic control, and the specific implementation and connection structure of each component are as follows.

The equipment body includes a frame 27 and a protective panel 26. The frame 27 is a three-dimensional frame structure and is welded by a square tube. The transparent acrylic plate is used to clearly observe the operation of the equipment body, and the protective panel 26 can also be used for protection during operation.

The moving operation platform 16 , the hinge four-bar mechanism 10 and the elbow corner mechanism 28 constitute an integral mechanism for cooperating with each other and completing the main actions, wherein: one end of the hinge four-bar mechanism 10 is connected with the moving operation platform 16 , the other end of the hinge four-bar mechanism 10 is connected with the first linear slide table 29 of the elbow angle mechanism 28 and the two are also connected by a linear drive mechanism. The main body of the linear drive mechanism is connected to the moving operation The platform 16 is rotatably connected, the driving end of the linear drive mechanism is connected with the hinge four-bar mechanism 10, the linear drive mechanism drives the elbow corner mechanism 28 through the hinge four-bar mechanism 10 to complete the corner action, and the elbow corner mechanism 28 The elbow workpiece 19 is fixed on it, and the whole action can adjust the cutting angle of the elbow workpiece 19, so that the cutting circle center of the elbow workpiece 19 is automatically aligned with the rotation center of the torch body 8;

The hinge four-bar mechanism 10 in the above structure is used as an intermediate mechanism, which can maintain the active connection between the mobile operation platform 16 and the elbow corner mechanism 28. The elbow corner mechanism 28 is set higher than the mobile operation platform 16 as a whole, and does not affect the bending. The working space of the head workpiece 19 and the cutting torch mechanism is simultaneously controlled by the linear drive mechanism to control the hinge four-bar mechanism 10 to operate, and finally control the angle of the elbow corner mechanism 28 to adjust the position of the elbow workpiece 19 accordingly. , and cooperate with the torch mechanism to complete the cutting operation.

The hinged four-bar mechanism 10 includes two sets of rockers and two sets of connecting rods, and each set of rockers and each set of connecting rods includes two front and rear overlapping distributions and connected to each other, wherein: the first rocker 20 and the first link The middle of the rod 21 is rotatably connected by a pin shaft;

The first rocker 20 is bent at a certain angle as a whole, which can solve the problem of collision between the front jaw 11 and the torch body 8. One end of the first rocker 20 is connected with the mobile operation platform 16 through a pin shaft. The first rocker 20 The other end is connected with one end of the second connecting rod 23 through a pin shaft, and the other end of the second connecting rod 23 is connected with the first linear slide table 29 of the moving operation platform 16 through a pin shaft;

One end of the first connecting rod 21 is connected with both sides of the first linear slide 29 of the mobile operation platform 16 through a pin shaft, and the other end of the first connecting rod 21 is connected with one end of the second rocker 22 through a pin shaft. , the other end of the second rocker 22 is connected with the mobile operation platform 16 through a pin, and the pin constitutes position A, the middle of the second rocker 22 is connected with the driving end of the linear drive mechanism, and the linear drive The mechanism includes a first ball screw 9 and a third servo motor 3 connected to the first ball screw 9. The two sides of the ball screw nut on the outside of the first ball screw 9 are respectively connected with the second rocker 22 on the front side and the rear side. Rotating connection through pin shaft;

When the third servo motor 3 of the linear drive mechanism operates, the second rocker 22 rotates, and synchronously, the shape of the entire hinge four-bar mechanism 10 is changed, and the elbow corner mechanism 28 connected to it rotates with the position A as the center. action, the corresponding elbow workpiece 19 completes rotation with its bending center position B as the center.

The elbow turning mechanism 28 includes a first linear sliding table 29 and a fixed plate 13 connected with the slider of the first linear sliding table 29, and the first linear sliding table 29 is connected with a fourth servo motor. 4. Drive, used to adjust the position of the fixed plate 13, the elbow workpiece 19 will also complete the position adjustment synchronously, and the front and rear sides of the first linear slide table 29 are respectively connected with the hinge four-bar mechanism 10;

The fixing plate 13 is respectively provided with two sets of front claws 11 and rear claws 12 connected to it. The front claws 11 and the rear claws 12 are respectively located in the middle of the fixing plate 13 and distributed along the moving direction of the slider. The claws 11 are fixedly arranged, the rear claws 12 are slidably connected with the fixing plate 13, and the fixing plate 13 is provided with a chute, and the rear claws 12 are slidably arranged in the chute, so that they can be slidably arranged in the chute. The back and forth movement is completed according to the size of the elbow workpiece 19; the rear jaw 12 is also connected and fixed with the fixing plate 13 through a fastener, and the fastener adopts an adjusting screw 24 threadedly connected to the base of the rear jaw 12, and the adjusting screw 24 By rotating its end to press the fixing plate 13, the position of the rear jaw 12 is fixed. The front jaw 11 and the rear jaw 12 are respectively used to clamp the elbow workpiece 19 inside the opening of one end of the elbow workpiece 19. , so that the elbow workpiece 19 is fixed on the fixed plate 13 .

The mobile operation platform 16 also includes two sets of linear guide rails 15 and a set of linear drive mechanisms. The two sets of linear guide rails 15 are located on the front and rear sides of the mobile operation platform 16 respectively. Two ball screws 17 and a second servo motor 2 connected to the second ball screw 17; wherein, the linear guide 15 and the second ball screw 17 of the linear drive mechanism are respectively connected to the equipment body, and the sliding of the linear guide 15 The block and the ball nut of the second ball screw 17 are respectively connected with the moving operation platform 16, the linear guide 15 is used to maintain the stable moving track of the moving operation platform 16, and the linear drive mechanism is used to drive the moving operation platform 16 along the moving operation platform 16. The trajectory is active, so that the mobile operation platform 16, the hinge four-bar mechanism 10 and the elbow corner mechanism 28 can move as a whole, mainly used to move the elbow corner mechanism 28 to the edge or outside of the equipment body, and to install the elbow workpiece 19. Or disassemble and use, making the related operations of operators more convenient;

Further, an operation port is provided on the side of the protective panel 26 close to the elbow corner mechanism 28, and the outside of the operating port is provided with a door panel 6 that is connected and fixed with the protective panel 26. The door panel 6 adopts an electric door. The platform 16 moves, and the elbow turning mechanism 28 is sent out of the equipment body at the position of the operation port, so as to be used for operating the elbow workpiece 19 externally.

At the same time, in order to ensure the accuracy of the position when the elbow workpiece 19 is installed, a positioning baffle 14 and a linear drive mechanism are also installed on the mobile operation platform 16. The linear drive mechanism adopts an electric push rod 18, and one end of the positioning baffle 14 is provided with There is a bending part, and the bending part is rotatably connected with the mobile operation platform 16, the body of the linear drive mechanism is rotatably connected with the mobile operation platform 16, and the driving end of the linear drive mechanism is connected with the positioning baffle One end of the 14 bending set is rotated and connected, and the positioning baffle 14 is driven by a linear drive mechanism and rotates between the mobile operation platform 16 and the elbow workpiece 19; when in use, the baffle is pushed from the horizontal to the vertical position, and the operator only needs to By fitting the section of the elbow workpiece 19 with the baffle plate, the precise positioning of the elbow workpiece 19 can be completed.

The cutting torch mechanism includes a rotating arm 7 and a cutting torch body 8 located on the outside of the elbow workpiece 19. The rotating arm 7 is an L-shaped structure. The middle part of the top surface is rotatably connected, and a first servo motor 1 is also installed on the protective panel 26 of the device body. The first servo motor 1 is connected with the rotating arm 7 and is used to drive the rotating arm 7 to rotate and move. , the other side of the rotating arm 7 is vertically distributed, and the bottom end of this side is provided with a second linear slide table 25 that is horizontally distributed and connected to it. The second linear slide table 25 is driven by the fifth servo motor 5 connected to it, The sliding blocks of the two linear slide tables 25 are provided with the cutting torch body 8 connected thereto. The working end of the cutting torch body 8 is set corresponding to the elbow workpiece 19 , and the cutting torch body 8 can be surrounded by the elbow through the rotating arm 7 . The workpiece 19 is rotated to complete the cutting in the circumferential direction of the elbow workpiece 19. At the same time, the second linear slide 25 can adjust the distance between the cutting torch body 8 and the elbow workpiece 19, so that the position of the cutting torch body 8 can be adjusted according to the elbow workpiece 19. diameter to be adjusted.

The above descriptions are only the preferred embodiments of the present invention, and as long as the technical solutions for the purposes of the present invention are achieved by basically the same means, they all fall within the protection scope of the present invention.

Claims (10)

1. an automatic elbow laser cutting equipment, is characterized in that: comprise equipment body and be located in the mobile operating platform inside the equipment body, hinge four-bar mechanism and elbow corner mechanism; One end of the hinge four-bar mechanism is connected with the mobile operation platform, and the other end of the hinge four-bar mechanism is connected with the linear slide table of the elbow corner mechanism, and the two are also connected by a linear drive mechanism. The main body of the mechanism is rotatably connected with the mobile operation platform, the driving end of the linear drive mechanism is connected with the hinge four-bar mechanism, and the linear drive mechanism drives the elbow corner mechanism to complete the corner action through the hinge four-bar mechanism. An elbow workpiece is fixed on the head turning mechanism. 2. An automatic elbow laser cutting equipment according to claim 1, characterized in that: the mobile operation platform comprises a linear slide table and a fixed plate connected with the slider of the linear slide table, the fixed plate There are at least two sets of clamping claws connected thereto respectively, and the outer side of the clamping claws is provided with the elbow workpiece connected with it. 3 . The automatic elbow laser cutting equipment according to claim 2 , wherein the clamping claw is slidably connected to the fixing plate. 4 . 4. An automatic elbow laser cutting equipment according to claim 3, characterized in that: the fixing plate is provided with a chute, and the jaws are slidably arranged in the chute, and the jaws also pass through a The fastener is connected and fixed with the fixing plate. 5. The automatic elbow laser cutting equipment according to claim 1, wherein the hinged four-bar mechanism comprises two sets of rockers and two sets of connecting rods, wherein: the first rocker and the first connecting rod Central rotary connection; One end of the first rocker is rotatably connected with the mobile operation platform, the other end of the first rocker is rotatably connected with one end of the second link, and the other end of the second link is rotatably connected with the linear slide of the mobile operation platform; One end of the first connecting rod is rotatably connected with the linear slide of the mobile operation platform, the other end of the first connecting rod is rotatably connected with one end of the second rocker, and the other end of the second rocker is rotatably connected with the mobile operation platform, And the middle part of the second rocker is connected with the driving end of the linear drive mechanism. 6. An automatic elbow laser cutting equipment according to claim 1, characterized in that: the mobile operation platform further comprises at least one set of linear guide rails and a set of linear drive mechanisms, and the body of the linear guide rails and the linear drive mechanism They are respectively connected with the equipment body, and the sliding block of the linear guide rail and the driving end of the linear driving mechanism are respectively connected with the moving operation platform. 7. An automatic elbow laser cutting equipment according to claim 1, characterized in that: it further comprises a positioning baffle and a linear drive mechanism, one end of the positioning baffle is provided with a bending portion, and the bending The main body of the linear drive mechanism is rotatably connected to the mobile operation platform, the driving end of the linear drive mechanism is rotatably connected to the bent end of the positioning baffle, and the positioning baffle passes through The linear drive mechanism drives and rotates between the mobile operating platform and the elbow workpiece. 8. The automatic elbow laser cutting equipment according to claim 1, wherein the equipment body comprises a frame and a protective panel, the frame is a three-dimensional frame structure, and the outer surfaces of the frame are respectively installed with The protective panel is connected and fixed therewith. 9 . The automatic elbow laser cutting equipment according to claim 9 , wherein the protective panel is provided with an operation port on the side close to the elbow corner mechanism, and the outer side of the operation port is provided with the protective panel to be connected and fixed. 10 . door panel. 10. An automatic elbow laser cutting equipment according to claim 1 or 5 or 6 or 7, wherein the linear drive mechanism adopts a lead screw motor or an electric push rod.

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