Rubber sealing strip cutting device and sealing ring bonding method

Abstract

The invention discloses a rubber sealing strip cutting device and a sealing ring bonding method. The rubber sealing strip cutting device comprises an operation table, a rubber sealing strip cutting device and a rubber sealing strip cutting device, the sealing strip cutting assembly comprises a sealing strip cutting module and a lifting module, the lifting module is connected with the operation table and used for lifting of the sealing strip cutting module, and the sealing strip cutting module comprises a connecting rod, a heating plate, a second electric push rod, a long rod, a supporting plate, a laser cutting head and a first motor. One side of the connecting rod is fixedly connected with the movable end of the lifting module, the end of the other side of the connecting rod is rotationally connected with the end of a shell of a second electric push rod, and the movable end of the second electric push rod is rotationally connected with the other end of one side of the long rod. By arranging the sealing strip cutting assembly, the sealing strip clamping and butting assembly and the heating and melting assembly, cutting, butting and heating and melting of the sealing strip are achieved, the production efficiency is improved, and accurate cutting is conducted through the laser cutting head.

Description

Technical Field

[0001] The invention relates to the technical field of sealing ring production equipment, and in particular to a rubber sealing strip cutting device and a sealing ring bonding method. Background Art

[0002] During the processing of rubber sealing strips, cutting and butt-jointing of the sealing strips usually requires manual operation, which is not only inefficient, but also difficult to ensure the accuracy of cutting and the uniformity of butt-jointing. In addition, manual operation may also lead to waste of sealing strips and unstable processing quality, and the existing sealing ring butt-jointing equipment can only fix the cut sealing strips and butt-joint the two ends after melting, but cannot cut the sealing strips or polish and cool the bonding parts of the sealing rings after butt-jointing.

[0003] After searching, a sealing ring bonding auxiliary tooling and a sealing ring bonding method with publication number CN109514873B were found. The tooling includes at least two groups of O-ring bonding structures, one group of structures includes a cutting area, a cutting constraint double groove, and a bonding constraint groove; the other group of structures includes a bonding constraint groove, a cutting constraint double groove, and a cutting area; each group of structures is suitable for bonding a wire diameter O-ring.

[0004] The above invention solves the problems of low fit of the cutting surfaces of existing large non-standard O-rings and misalignment of the bonding surfaces. However, it can only position and move the auxiliary sealing strip to achieve bonding, and cannot polish and cool the bonding point of the sealing ring after bonding. Summary of the invention

[0005] The main purpose of the present invention is to provide a rubber sealing strip cutting device and a sealing ring bonding method to solve the problem in the prior art that the sealing strip cannot be cut and the bonding point of the sealing ring after bonding cannot be polished and cooled.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A rubber sealing strip cutting device, characterized by comprising:

[0008] An operating table, wherein the upper support platform of the operating table is a hollow cavity;

[0009] A sealing strip cutting assembly, wherein the sealing strip cutting assembly comprises a sealing strip cutting module and a lifting module, wherein the lifting module is connected to the operating table for lifting the sealing strip cutting module, wherein the sealing strip cutting module comprises a connecting rod, a heating plate, a second electric push rod, a long rod, a support plate, a laser cutting head and a first motor, wherein one side of the connecting rod is fixedly connected to the movable end of the lifting module, and the other side end of the connecting rod is rotatably connected to the outer shell end of the second electric push rod, and the movable end of the second electric push rod is rotatably connected to the other end of one side of the long rod, and the two ends of the second electric push rod are respectively passed through by the circular shaft in the middle of one side of the support plate, and the circular shaft in the middle of one side of the support plate is respectively fixed to the middle of one side of the heating plate, and the lower end of each of the heating plates is respectively rotatably connected to the two ends of the connecting rod, and the outer sides of the two support plates are respectively rotatably connected to the outer shell of the laser cutting head, and the outer shell of each of the laser cutting heads is respectively fixedly connected to the output shaft of the first motor, and the first motor is used to rotate the laser cutting head, and the first motor fixes the support plate;

[0010] A sealing strip clamping and docking assembly, wherein the sealing ring clamping and docking assembly comprises a clamping module and a moving module, wherein the clamping module comprises a fixed top block and a moving top block, wherein the middle and lower parts of the fixed top block and the moving top block are arranged in an opening provided on the operating table, wherein the fixed top blocks are arranged symmetrically, wherein each of the fixed top blocks is provided with one moving top block, wherein the two fixed top blocks and the moving top blocks cooperate to clamp the two ends of the sealing strip, wherein the fixed top block is connected to the moving module, wherein each of the moving top blocks is respectively fixedly connected to the movable end of the lateral moving assembly, wherein the lateral moving assembly is connected to the moving module, wherein the moving module is used to control the movement of the fixed top block and the moving top block to drive the movement of the two ends of the sealing strip, thereby achieving docking of the two ends of the sealing strip;

[0011] It also includes a heating and melting component, which is a heating plate, and the heating plate is fixed on the outer side of the heating plate.

[0012] As a further limitation of the present invention, the lifting module includes a vertical slide, a guide column, a moving block and a second stepper motor, the moving block is fixedly connected to the middle part of the other side of the connecting rod, the second stepper motor is fixed on the lower side of the upper support platform of the operating table, the second stepper motor can drive the guide column to rotate, the upper end of the guide column is rotatably connected to the operating table, the guide column is threadedly connected to the moving block, the moving block is arranged in the vertical slide, and the vertical slide is opened on the inner wall of the operating table.

[0013] As a further definition of the present invention, the moving module includes a third stepper motor, a screw rod, a transverse axis and a moving support rod, the moving support rod can move along the screw rod, the transverse axis passes through two of the moving support rods, the moving support rod can slide along the transverse axis, the third stepper motor is connected to the screw rod to drive the screw rod to rotate, one end of the screw rod is rotatably connected to the operating table, the two ends of the transverse axis are fixedly connected to the operating table, the upper side of the moving support rod is fixedly connected to the lateral moving assembly, the lower side of the moving top block abuts against the upper side of the moving support rod, and the moving top block can move along the surface of the moving support rod.

[0014] As a further limitation of the present invention, it also includes a sealing strip limiting assembly, which includes a first stepper motor, a hinged support block, a sealing strip end limiting plate, a cooling fan and a support rod, wherein the hinged support block is fixed to one side of the opening opened on the operating table, one side of the hinged support block is fixed to the first stepper motor, the hinged support block is rotatably connected to the support rod, the support rod is fixedly connected to the sealing strip end limiting plate, the support rod is fixedly connected to the output shaft of the first stepper motor, and the first stepper motor is fixed to the operating table.

[0015] As a further limitation of the present invention, the sealing strip limiting assembly is further connected to a cooling module, the cooling module is a cooling fan, and the cooling fan fixes the support rod.

[0016] As a further limitation of the present invention, a mountain-shaped groove is provided on one side opposite to the fixed top block and the movable top block, respectively. The mountain-shaped groove matches the shape of the sealing strip and is used to firmly limit the sealing strip.

[0017] As a further limitation of the present invention, it also includes a sealing ring rear-joint grinding assembly, the sealing ring rear-joint grinding assembly includes a grinding sheet and a grinding wheel, the grinding sheet and the grinding wheel include a fixed grinding sheet, a movable grinding sheet, a straight groove rod, a servo, a grinding sheet and a grinding sheet moving module, the fixed grinding sheet is fixed at one end of the upper side of the straight groove rod, the straight groove rod is arranged in the operating table, a side opening is opened on the operating table at a position corresponding to the straight groove rod, and the straight groove rod drives the movement of the movable grinding sheet through the grinding sheet moving module.

[0018] As a further definition of the present invention, the movable grinding plate includes a movable shell, a servo and a grinding plate, the servo fixes the movable shell, the movable shell is rotatably connected to the grinding plate, the grinding plate is fixedly connected to the servo, the grinding plate moving assembly includes a first electric push rod and a slider, the first electric push rod is fixed to the other end of the straight groove rod, the movable end of the first electric push rod is fixedly connected to the slider, the slider is fixedly connected to the movable shell, the straight groove rod is fixedly connected to the movable end of the vertical movable assembly, and the fixed end of the vertical movable assembly is fixedly connected to the inner wall of the operating table through a connecting rod.

[0019] A method for bonding a sealing ring with a rubber sealing strip cutting device, characterized in that it comprises the following steps:

[0020] Step 1: Align the two ends of the sealing strip through the sealing strip limiting assembly, and clamp the two ends of the sealing strip through the clamping modules respectively;

[0021] Step 2: Control the first stepper motor to drive the sealing strip end limit piece to swing upward and return to its original position, and drive the sealing strip cutting module to rise to a suitable position through the lifting module;

[0022] Step 3: Cut the two ends of the sealing strip using the sealing strip cutting module, so that inclined cutting edges appear at both ends to facilitate bonding;

[0023] Step 4: The heating and melting component is again raised to a suitable position by the lifting module, and the moving module of the sealing strip clamping and docking component is controlled to drive the clamping module to move so that the cut end of the sealing strip clamped by it contacts the heating and melting component, and the heating and melting component works to melt the end thereof;

[0024] Step 5: Control the moving module to drive the clamping module to move in the reverse direction and no longer contact the heating and melting component;

[0025] Step 6: The sealing strip cutting module and the heating and melting assembly are driven downward by the lifting module, and the moving module is controlled to drive the clamping module and the two ends of the sealing strip clamped therein to move, so that the two ends of the sealing strip are butted together, and the two ends of the sealing strip after heating and melting are butted together to form a sealing ring;

[0026] Step 7: Control the sealing strip limit assembly to drive the cooling fan to swing to a suitable angle to cool the joint of the bonded sealing ring and accelerate solidification. After solidification, control the sealing strip limit assembly to drive the cooling fan to swing back in the opposite direction;

[0027] Step 8: Use the sealing ring joint polishing assembly to polish the sealing ring joint to make it smooth and flat.

[0028] The present invention is provided with a sealing strip cutting component, a sealing strip clamping and docking component, and a heating and melting component, so as to realize the cutting, docking and heating and melting of the sealing strip and improve the production efficiency. The laser cutting head is used for precise cutting, so as to control the cutting angle and depth and ensure the flatness and precision of the cutting surface. The inclined cutting realizes a larger cutting surface and is beneficial to the subsequent docking and bonding. The fixed top block and the movable top block of the clamping module are used to clamp the two ends of the sealing strip to ensure the alignment of the two ends, and the heating and melting component is used to heat the two ends evenly so that the sealing strip after docking is bonded more evenly and firmly. The actions of each module are centrally controlled by the controller, so as to simplify the operation process and reduce the operation difficulty. The cooling fan and the grinding component can cool and grind the sealing ring after bonding. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 The structure of a rubber sealing strip cutting device of the present invention is shown in FIG. Figure 1 ;

[0030] Figure 2 A schematic diagram of the structure of a rubber sealing strip cutting device according to the present invention Figure 1 ;

[0031] Figure 3 The partial structure diagram of a rubber sealing strip cutting device of the present invention is shown in FIG. Figure 1 ;

[0032] Figure 4 A schematic diagram of the structure of a rubber sealing strip cutting device according to the present invention Figure 2 ;

[0033] Figure 5 A schematic diagram of the structure of a rubber sealing strip cutting device according to the present invention Figure 3 ;

[0034] Figure 6 The partial structure diagram of a rubber sealing strip cutting device of the present invention is shown in FIG. Figure 2 ;

[0035] Figure 7 The structure of a rubber sealing strip cutting device of the present invention is shown in FIG. Figure 2 ;

[0036] Figure 8 A rubber sealing strip cutting device according to the present invention Figure 7 A partial enlarged view of the middle A;

[0037] Fig. 9 The schematic diagram of the local structure of a rubber sealing strip cutting device of the present invention is shown in FIG. Figure 3 ;

[0038] Fig.10 The structure of a rubber sealing strip cutting device of the present invention is shown in FIG. Figure 3 ;

[0039] Explanation of reference numerals: 1. Sealing strip end stopper, 2. Cooling fan, 3. Support rod, 4. Articulated support block, 5. Operating table, 51. Attachment plate, 52. Opening, 53. Side opening, 6. Grinding wheel, 61. Servo, 62. Grinding sheet, 7. Fixed top block, 71. Mountain-shaped slot, 8. Mobile top block, 9. Horizontal moving assembly, 10. Controller, 11. First stepper motor, 12. Second stepper motor, 13. Slider, 14. First electric push rod, 15. Straight groove rod, 16. Vertical moving assembly, 17. Connecting rod, 18. Vertical slide, 19. Guide column, 20. Moving block, 21. Third stepper motor, 22. Screw, 23. Horizontal axis, 24. Mobile support rod, 25. Support plate, 26. Laser cutting head, 27. Heating plate, 28. Connecting rod, 30. Second electric push rod, 31. Long rod, 32. First motor. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0041] like Figure 1 As shown, this embodiment provides an embodiment of a rubber sealing strip cutting device. In this embodiment, see Figure 1 , Figure 2 , Figure 5 and Figure 6 , a rubber sealing strip cutting device, comprising:

[0042] The operating table 5, the upper support platform of the operating table 5 is a hollow cavity;

[0043] The sealing strip cutting assembly includes a sealing strip cutting module and a lifting module. The lifting module is connected to the operating table 5 for lifting the sealing strip cutting module. The sealing strip cutting module includes a connecting rod 28, a heating plate 27, a second electric push rod 30, a long rod 31, a support plate 25, a laser cutting head 26 and a first motor 32. One side of the connecting rod 28 is fixedly connected to the movable end of the lifting module, and the other side end of the connecting rod 28 is rotatably connected to the outer shell end of the second electric push rod 30. The movable end of the second electric push rod 30 is rotatably connected to the long rod 31. At one end and the other end, two ends of the second electric push rod 30 are respectively passed through by the circular shaft in the middle of one side of the support plate 25, and the circular shaft in the middle of one side of the support plate 25 is respectively fixed to the middle of one side of the heating plate 27, and the lower end of each heating plate 27 is respectively rotatably connected to the two ends of the connecting rod 28, and the outer sides of the two support plates 25 are respectively rotatably connected to the shell of the laser cutting head 26, and the shell of each laser cutting head 26 is respectively fixedly connected to the output shaft of the first motor 32, and the first motor 32 is used to rotate the laser cutting head 26, and the first motor 32 fixes the support plate 25;

[0044] The sealing strip clamping and docking assembly includes a clamping module and a moving module. The clamping module includes a fixed top block 7 and a moving top block 8. The middle and lower parts of the fixed top block 7 and the moving top block 8 are arranged in the opening 52 opened on the operating table 5. The fixed top blocks 7 are symmetrically arranged. Each fixed top block 7 is equipped with a moving top block 8. The two fixed top blocks 7 and the moving top blocks 8 are used to clamp the two ends of the sealing strip. The fixed top block 7 is connected to the moving module. Each moving top block 8 is fixedly connected to the movable end of the transverse moving assembly 9 respectively. The transverse moving assembly 9 is connected to the moving module. The moving module is used to control the movement of the fixed top block 7 and the moving top block 8 to drive the movement of the two ends of the sealing strip to achieve the docking of the two ends of the sealing strip.

[0045] It also includes a heating and melting component, which is a heating plate, and the heating plate is fixed on the outer side of the heating plate 27.

[0046] In this embodiment, by setting up a sealing strip clamping and docking component, the two ends of the sealing strip can be clamped and limited, and the two ends of the sealing strip are clamped respectively by the fixed top block 7 and the movable top block 8 of the clamping module, and the two ends of the sealing strip are placed between the fixed top block 7 and the movable top block 8. The movable top block 8 is driven to move by the lateral moving component 9, so that the movable top block 8 is close to the fixed top block 7 to clamp the end of the sealing strip, and the two ends of the sealing strip are heated and melted by the heating and melting component. The movement of the clamping modules on both sides is controlled by the moving module, so that the ends of the sealing strips on both sides are docked together to achieve bonding.

[0047] In this embodiment, the lifting module of the sealing strip cutting assembly is used to lift the sealing strip cutting module, and the sealing strip cutting module is moved vertically to a suitable position. The second electric push rod 30 of the sealing strip cutting module drives the third stepping motor 21, and the long rod 31 drives the support plate 25 and the laser cutting head 26. The support plate 25 drives the heating plate 27 to adjust the angle of the laser cutting head 26 and the heating plate 27. After the adjustment is completed, the movable end of the second electric push rod 30 is controlled to remain stationary, and the first motor 32 and the laser cutting head 26 are started. The laser cutting head 26 works to emit laser, and the first motor 32 drives the laser cutting head 26 to rotate and cut, thereby cutting the sealing strip.

[0048] Furthermore, the lifting module includes a vertical slide 18, a guide column 19, a moving block 20 and a second stepper motor 12. The moving block 20 is fixedly connected to the middle part of the other side of the connecting rod 28. The second stepper motor 12 is fixed to the lower side of the upper support platform of the operating table 5. The second stepper motor 12 can drive the guide column 19 to rotate. The upper end of the guide column 19 is rotatably connected to the operating table 5. The guide column 19 is threadedly connected to the moving block 20. The moving block 20 is arranged in the vertical slide 18, and the vertical slide 18 is opened on the inner wall of the operating table 5.

[0049] In this embodiment, the lifting module can realize the lifting and lowering of the sealing strip cutting assembly and the heating and melting assembly. After the sealing strip cutting assembly is cut, the lifting module is used to move the heating plate of the heating and melting assembly to a position that contacts the sealing strip, and the heating plate is turned on to heat and melt the end of the sealing strip. After the operation is completed, the sealing strip cutting assembly and the heating and melting assembly are controlled by the lifting module to move down back into the wall of the operating table 5. The operation of the lifting module is to drive the guide column 19 to rotate through the second stepper motor 12, and the guide column 19 drives the moving block 20 to move. The vertical slide 18 guides and limits the moving block 20.

[0050] Further, see Figure 5 The moving module includes a third stepping motor 21, a screw rod 22, a transverse axis 23 and a moving support rod 24. The moving support rod 24 can move along the screw rod 22. The transverse axis 23 passes through two moving support rods 24. The moving support rod 24 can slide along the transverse axis 23. The third stepping motor 21 is connected to the screw rod 22 to drive the screw rod 22 to rotate. One end of the screw rod 22 is rotatably connected to the operating table 5. Both ends of the transverse axis 23 are fixedly connected to the operating table 5. The upper side of the moving support rod 24 is fixedly connected to the lateral moving component 9. The lower side of the moving top block 8 abuts against the upper side of the moving support rod 24. The moving top block 8 can move along the surface of the moving support rod 24.

[0051] Preferably, the screw rod 22 can be set as a screw rod not shown in the figure, and a thread matching the screw rod is set at the connection between the movable support rod 24 and the screw rod 22, which is not shown in the figure. The threads set on the two movable support rods 24 are in opposite directions, which are used to realize the opposite movement directions of the two movable support rods 24, thereby realizing the clamping and releasing functions of the sealing strip.

[0052] It should be noted that the screw threads are conventional applications of the prior art, and the detailed structure thereof will not be described in detail in this embodiment, nor will the drawings be shown.

[0053] In this embodiment, the moving module can drive the movement of the clamping module. By setting a screw 22, the screw 22 can drive the screw 22 to rotate, and the screw 22 can drive the moving support rod 24 to move. The two moving support rods 24 move in opposite directions. The moving support rod 24 drives the lateral moving component 9, the moving top block 8 and the fixed top block 7 to move, thereby realizing the movement of the sealing strip clamped between the fixed top block 7 and the moving top block 8. The two clamping modules are close to each other to realize the docking of the two ends of the sealing strip.

[0054] Further, see Figure 1 , and also includes a sealing strip limiting assembly, which includes a first stepper motor 11, a hinged support block 4, a sealing strip end limiting piece 1, a cooling fan 2 and a support rod 3. The hinged support block 4 is fixed to one side of an opening 52 opened on the operating table 5, and one side of the hinged support block 4 is fixed to the first stepper motor 11. The hinged support block 4 is rotatably connected to the support rod 3, and the support rod 3 is fixedly connected to the sealing strip end limiting piece 1. The support rod 3 is fixedly connected to the output shaft of the first stepper motor 11, and the first stepper motor 11 is fixed on the operating table 5.

[0055] The sealing strip limiting assembly is also connected to a cooling module, which is a cooling fan 2 , and the cooling fan 2 fixes the support rod 3 .

[0056] Preferably, the cooling fan 2 is an electric fan, and the sealing strip limit assembly is controlled to drive the cooling fan 2 to swing to a suitable angle, so as to cool the joint of the bonded sealing ring and accelerate solidification.

[0057] In this embodiment, the sealing strip limiting assembly can limit the sealing strip. The first stepper motor 11 drives the support rod 3 to swing, and the support rod 3 drives the sealing strip end limiting plate 1 to swing. The sealing strip end limiting plate 1 can be a cylinder, or a cuboid, rectangle, U-shape, etc. The lower side of the sealing strip end limiting plate 1 is swung to a position parallel to the operating table 5, and the sealing strip is passed around the lower side of the sealing strip end limiting plate 1 to align its two ends. After the two ends of the sealing strip are clamped by the clamping modules respectively, the first stepper motor 11 is controlled to drive the sealing strip end limiting plate 1 to swing upward and back to its position.

[0058] Furthermore, a mountain-shaped groove 71 is provided on one side opposite to the fixed top block 7 and the movable top block 8. The mountain-shaped groove 71 matches the shape of the sealing strip and is used to firmly limit the sealing strip.

[0059] Further, see Figure 3 , Figure 7 and Figure 8 , and also includes a sealing ring rear-joint grinding assembly, the sealing ring rear-joint grinding assembly includes a grinding sheet and a grinding wheel 6, the grinding sheet and the grinding wheel 6 include a fixed grinding sheet, a movable grinding sheet, a straight groove rod 15, a steering gear 61, a grinding sheet 62 and a grinding sheet moving module, the fixed grinding sheet is fixed to one end of the upper side of the straight groove rod 15, the straight groove rod 15 is arranged in the operating table 5, and a side opening 53 is opened on the operating table 5 at a position corresponding to the straight groove rod 15, and the straight groove rod 15 drives the movable grinding sheet to move through the grinding sheet moving module.

[0060] The movable grinding sheet includes a movable shell, a steering gear 61 and a grinding sheet 62. The steering gear 61 fixes the movable shell. The movable shell is rotatably connected to the grinding sheet 62. The grinding sheet 62 is fixedly connected to the steering gear 61. The movable assembly of the grinding sheet includes a first electric push rod 14 and a slider 13. The first electric push rod 14 is fixed at the other end of the straight groove rod 15. The movable end of the first electric push rod 14 is fixedly connected to the slider 13. The slider 13 is fixedly connected to the movable shell. The straight groove rod 15 is fixedly connected to the movable end of the vertical movable assembly 16. The fixed end of the vertical movable assembly 16 is fixedly connected to the inner wall of the operating table 5 through the connecting rod 17.

[0061] Preferably, a visual sensor is disposed on one side of the movable shell and the fixed shell. When the visual sensor detects that the sealing ring connection port is a plane, the controller 10 controls the steering gear 61 to close.

[0062] In this embodiment, a post-sealing ring grinding assembly is provided to grind the residual glue after the sealing ring is melted and connected, so that the bonding point is smoother, the vertical moving assembly 16 is controlled to drive the straight groove rod 15 to move upward to realize the movement of the grinding wheel 6 to the outside of the side opening 53, the clamping module is controlled to release the sealing ring, and the sealing ring is pulled to move so that the bonding point is located between the fixed grinding plate and the movable grinding plate of the grinding wheel 6, the grinding plate moving module is controlled to drive the movable grinding plate to move, so that the movable grinding plate and the fixed grinding plate limit the sealing ring and then clamp the sealing ring through the clamping module, and then the servo 61 is started to drive the grinding plate 62 to work, so as to realize the grinding of the connection of the sealing ring, and when the visual sensor detects that the sealing ring connection port is flat, the controller 10 controls the servo 61 to close.

[0063] Preferably, see Fig.10 The supporting legs of the operating table 5 are fixed with a receiving plate 51, and the receiving plate 51 is used to receive the waste sealing strips cut off.

[0064] When in use, the two ends of the sealing strip are aligned through the sealing strip limiting assembly. After the two ends of the sealing strip are clamped by the clamping modules respectively, the first stepper motor 11 is controlled to drive the sealing strip end limiting piece 1 to swing upward and return to its position, and the sealing strip cutting module is driven to rise to a suitable position through the lifting module, and then the two ends of the sealing strip are cut by the sealing strip cutting module, so that inclined cutting edges appear at both ends for easy bonding, and then the heating and melting assembly is controlled to rise to a suitable position through the lifting module again, and the moving module of the sealing strip clamping and docking assembly is controlled to drive the clamping module to move so that the cut end of the sealing strip clamped by it contacts the heating and melting assembly, and the heating and melting assembly works to melt its end, and the control The moving module drives the clamping module to move in the opposite direction and no longer contacts the heating and melting component, and the lifting module drives the sealing strip cutting module and the heating and melting component to move down and back to their positions again, and the moving module drives the clamping module and the two ends of the sealing strip clamped by it to move, so that the two ends of the sealing strip are butted together, and the two ends of the sealing strip after heating and melting are butted together to form a sealing ring, and the sealing strip limiting component is controlled to drive the cooling fan 2 to swing to a suitable angle to cool the joint of the bonded sealing ring and accelerate solidification, and after solidification, the sealing strip limiting component is controlled to drive the cooling fan 2 to swing in the opposite direction and back to its position, and then the sealing ring joint is polished with the polishing component to make it smooth and flat.

[0065] The present invention also provides a method for bonding a sealing ring with a rubber sealing strip cutting device, comprising the following steps:

[0066] Step 1: Align the two ends of the sealing strip through the sealing strip limiting assembly, and clamp the two ends of the sealing strip through the clamping modules respectively;

[0067] Step 2: Control the first stepper motor 11 to drive the sealing strip end limit piece 1 to swing upward and return to its original position, and drive the sealing strip cutting module to rise to a suitable position through the lifting module;

[0068] Step 3: Cut the two ends of the sealing strip using the sealing strip cutting module, so that inclined cutting edges appear at both ends to facilitate bonding;

[0069] Step 4: The heating and melting component is again raised to a suitable position by the lifting module, and the moving module of the sealing strip clamping and docking component is controlled to drive the clamping module to move so that the cut end of the sealing strip clamped by it contacts the heating and melting component, and the heating and melting component works to melt the end thereof;

[0070] Step 5: Control the moving module to drive the clamping module to move in the reverse direction and no longer contact the heating and melting component;

[0071] Step 6: The sealing strip cutting module and the heating and melting assembly are driven downward by the lifting module, and the moving module is controlled to drive the clamping module and the two ends of the sealing strip clamped therein to move, so that the two ends of the sealing strip are butted together, and the two ends of the sealing strip after heating and melting are butted together to form a sealing ring;

[0072] Step 7: Control the sealing strip limit assembly to drive the cooling fan 2 to swing to a suitable angle to cool the joint of the bonded sealing ring and accelerate solidification. After solidification, control the sealing strip limit assembly to drive the cooling fan 2 to swing back in the opposite direction;

[0073] Step 8: Use the sealing ring joint polishing assembly to polish the sealing ring joint to make it smooth and flat.

[0074] The present invention realizes the cutting, docking and heating and melting of the sealing strip by arranging a sealing strip cutting component, a sealing strip clamping and docking component and a heating and melting component, thereby improving production efficiency. Precise cutting is performed by a laser cutting head, and the cutting angle and depth can be controlled to ensure the flatness and precision of the cutting surface. Inclined cutting realizes a larger cutting surface, which is beneficial to subsequent docking and bonding. The two ends of the sealing strip are clamped by the fixed top block and the movable top block of the clamping module to ensure alignment of the two ends, and the heating and melting component is used to heat evenly, so that the sealing strip after docking is bonded more evenly and firmly. The actions of each module are centrally controlled by a controller, which simplifies the operation process and reduces the difficulty of operation. The cooling fan and the grinding component can cool and grind the sealing ring after bonding.

[0075] The specific implementation methods of the invention are described in detail above, but they are only examples, and the invention is not limited to the specific implementation methods described above. For those skilled in the art, any equivalent modification or substitution of the invention is also within the scope of the invention, and therefore, the equalization, modification, improvement, etc. made without departing from the spirit and principle of the invention should be included in the scope of the invention.

Claims

1. A rubber sealing strip cutting device, characterized in that: include: An operating table, wherein the upper support platform of the operating table is a hollow cavity; A sealing strip cutting assembly, wherein the sealing strip cutting assembly comprises a sealing strip cutting module and a lifting module, wherein the lifting module is connected to the operating table for lifting the sealing strip cutting module, wherein the sealing strip cutting module comprises a connecting rod, a heating plate, a second electric push rod, a long rod, a support plate, a laser cutting head and a first motor, wherein one side of the connecting rod is fixedly connected to the movable end of the lifting module, and the other side end of the connecting rod is rotatably connected to the outer shell end of the second electric push rod, and the movable end of the second electric push rod is rotatably connected to the other end of one side of the long rod, and the two ends of the second electric push rod are respectively passed through by the circular shaft in the middle of one side of the support plate, and the circular shaft in the middle of one side of the support plate is respectively fixed to the middle of one side of the heating plate, and the lower end of each of the heating plates is respectively rotatably connected to the two ends of the connecting rod, and the outer sides of the two support plates are respectively rotatably connected to the outer shell of the laser cutting head, and the outer shell of each of the laser cutting heads is respectively fixedly connected to the output shaft of the first motor, and the first motor is used to rotate the laser cutting head, and the first motor fixes the support plate; A sealing strip clamping and docking assembly, wherein the sealing ring clamping and docking assembly comprises a clamping module and a moving module, wherein the clamping module comprises a fixed top block and a moving top block, wherein the middle and lower parts of the fixed top block and the moving top block are arranged in an opening provided on the operating table, wherein the fixed top blocks are arranged symmetrically, wherein each of the fixed top blocks is provided with one moving top block, wherein the two fixed top blocks and the moving top blocks cooperate to clamp the two ends of the sealing strip, wherein the fixed top block is connected to the moving module, wherein each of the moving top blocks is respectively fixedly connected to the movable end of the lateral moving assembly, wherein the lateral moving assembly is connected to the moving module, wherein the moving module is used to control the movement of the fixed top block and the moving top block to drive the movement of the two ends of the sealing strip, thereby achieving docking of the two ends of the sealing strip; It also includes a heating and melting component, which is a heating plate, and the heating plate is fixed on the outer side of the heating plate.

2. The rubber sealing strip cutting device according to claim 1, characterized in that: The lifting module includes a vertical slide, a guide column, a moving block and a second stepper motor. The moving block is fixedly connected to the middle part of the other side of the connecting rod. The second stepper motor is fixed to the lower side of the upper support platform of the operating table. The second stepper motor can drive the guide column to rotate. The upper end of the guide column is rotatably connected to the operating table. The guide column is threadedly connected to the moving block. The moving block is arranged in the vertical slide. The vertical slide is opened on the inner wall of the operating table.

3. The rubber sealing strip cutting device according to claim 2, characterized in that: The moving module includes a third stepper motor, a screw rod, a transverse axis and a moving support rod. The moving support rod can move along the screw rod, the transverse axis passes through two of the moving support rods, and the moving support rod can slide along the transverse axis. The third stepper motor is connected to the screw rod to drive the screw rod to rotate. One end of the screw rod is rotatably connected to the operating table, and both ends of the transverse axis are fixedly connected to the operating table. The upper side of the moving support rod is fixedly connected to the lateral moving assembly, and the lower side of the moving top block abuts against the upper side of the moving support rod, and the moving top block can move along the surface of the moving support rod.

4. The rubber sealing strip cutting device according to claim 3, characterized in that: It also includes a sealing strip limiting assembly, which includes a first stepper motor, a hinged support block, a sealing strip end limiting plate, a cooling fan and a support rod. The hinged support block is fixed to one side of the opening opened on the operating table, one side of the hinged support block is fixed to the first stepper motor, the hinged support block is rotatably connected to the support rod, the support rod is fixedly connected to the sealing strip end limiting plate, the support rod is fixedly connected to the output shaft of the first stepper motor, and the first stepper motor is fixed to the operating table.

5. The rubber sealing strip cutting device according to claim 4, characterized in that: The sealing strip limiting assembly is also connected to a cooling module, and the cooling module is a cooling fan, and the cooling fan fixes the support rod.

6. The rubber sealing strip cutting device according to claim 1, characterized in that: Mountain-shaped grooves are respectively arranged on one side opposite to the fixed top block and the movable top block. The mountain-shaped grooves match the shape of the sealing strip and are used to firmly limit the sealing strip.

7. The rubber sealing strip cutting device according to claim 5, characterized in that: It also includes a sealing ring rear-jointed grinding assembly, which includes a grinding sheet and a grinding wheel. The grinding sheet and the grinding wheel include a fixed grinding sheet, a movable grinding sheet, a straight groove rod, a servo, a grinding sheet and a grinding sheet moving module. The fixed grinding sheet is fixed to one end of the upper side of the straight groove rod. The straight groove rod is arranged in the operating table. A side opening is provided on the operating table at a position corresponding to the straight groove rod. The straight groove rod drives the movement of the movable grinding sheet through the grinding sheet moving module.

8. The rubber sealing strip cutting device according to claim 7, characterized in that: The movable grinding plate includes a movable shell, a servo and a grinding plate, the servo fixes the movable shell, the movable shell is rotatably connected to the grinding plate, the grinding plate is fixedly connected to the servo, the grinding plate movable assembly includes a first electric push rod and a slider, the first electric push rod is fixed to the other end of the straight groove rod, the movable end of the first electric push rod is fixedly connected to the slider, the slider is fixedly connected to the movable shell, the straight groove rod is fixedly connected to the movable end of the vertical movable assembly, and the fixed end of the vertical movable assembly is fixedly connected to the inner wall of the operating table through a connecting rod.

9. The rubber sealing strip cutting device according to claim 8, characterized in that: It also includes a controller, which communicates with the visual sensor through a transmission module. The visual sensor is set on one side corresponding to the movable shell and the fixed shell. When the visual sensor detects that the sealing ring connection port is a plane, the controller controls the servo to close. The controller is electrically connected to the servo, the lateral movement component, the first stepper motor, the second stepper motor, the first electric push rod, the vertical movement component, the first motor, the laser cutting head and the third stepper motor.

10. A method for bonding a sealing ring to a rubber sealing strip cutting device according to claim 9, characterized in that: The following steps are involved: Step 1: Align the two ends of the sealing strip through the sealing strip limiting assembly, and clamp the two ends of the sealing strip through the clamping modules respectively; Step 2: Control the first stepper motor to drive the sealing strip end limit piece to swing upward and return to its original position, and drive the sealing strip cutting module to rise to a suitable position through the lifting module; Step 3: Cut the two ends of the sealing strip using the sealing strip cutting module, so that inclined cutting edges appear on both ends to facilitate bonding; Step 4: The heating and melting component is again raised to a suitable position by the lifting module, and the moving module of the sealing strip clamping and docking component is controlled to drive the clamping module to move so that the cut end of the sealing strip clamped by it contacts the heating and melting component, and the heating and melting component works to melt the end thereof; Step 5: Control the moving module to drive the clamping module to move in the reverse direction and no longer contact the heating and melting component; Step 6: The sealing strip cutting module and the heating and melting assembly are driven downward by the lifting module, and the moving module is controlled to drive the clamping module and the two ends of the sealing strip clamped therein to move, so that the two ends of the sealing strip are butted together, and the two ends of the sealing strip after heating and melting are butted together to form a sealing ring; Step 7: Control the sealing strip limit assembly to drive the cooling fan to swing to a suitable angle to cool the joint of the bonded sealing ring and accelerate solidification. After solidification, control the sealing strip limit assembly to drive the cooling fan to swing back in the opposite direction; Step 8: Use the sealing ring joint polishing assembly to polish the sealing ring joint to make it smooth and flat.

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