Automatic welding mechanism for speed change pedal of motorcycle

Abstract

The utility model relates to the technical field of motorcycle part machining, in particular to an automatic welding mechanism for a speed change pedal of a motorcycle. Comprising a rack, a turntable, a supporting ring, a transparent shell, a soft sleeve, a manipulator, a welding mechanism, a portal frame, an air exhaust mechanism, a filtering mechanism and a plurality of placing seats. The supporting ring is installed at the upper end of the rack, and the rotating disc is rotationally installed on the supporting ring. The portal frame is installed on the supporting ring, the manipulator is installed on the portal frame, and the welding mechanism is installed on the manipulator. The transparent shell is connected with the portal frame; the soft sleeve is communicated with the upper end of the transparent shell; the plurality of placing seats are arranged on the turntable along an annular array; the exhaust mechanism is used for exhausting smoke at the upper end of the placing seat through the communicating pipe; and the filtering mechanism is used for filtering the gas extracted by the gas extraction mechanism. According to the utility model, the whole manipulator is arranged on the outer side of the transparent shell, so that the internal volume of the transparent shell is reduced, the gas filtering amount can be further reduced, and the gas filtering efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of motorcycle parts processing, in particular to an automatic welding mechanism for a motorcycle speed change pedal. Background Art

[0002] In the processing of motorcycle shift pedals, welding operation is often an indispensable link. Welding, also known as fusion welding, is a manufacturing process and technology that joins metals or other thermoplastic materials such as plastics by heating, high temperature or high pressure.

[0003] A Chinese patent with authorization announcement number CN210334829U discloses an automatic welding device for a motorcycle speed change pedal, including an operating box, a transparent sealed door, a connecting box, an operating table and a placement plate; the transparent sealed door is arranged on the operating box; a support member is arranged on the placement plate and connected to the operating table; a first threaded rod is connected to a second driving mechanism; a movable member is slidably arranged on the operating box and threadedly connected to the first threaded rod; a fixed member is vertically arranged on the movable member; a connecting member is slidably connected to the fixed member; a welding machine is movably arranged on the connecting member, and a welding head is arranged on the welding machine; a connecting shaft is arranged on the fourth driving mechanism; and a gear is arranged on the connecting shaft.

[0004] The above-mentioned disclosed patent still has the following technical defects: an operating box is set up to block the smoke during the welding process, and then the gas in the operating box is extracted by a fan and filtered after extraction. Although the smoke can be effectively purified, due to the large internal volume of the operating box (the operating box accommodates components such as an operating table, a placement plate, a drive component, and a welding machine), the volume of gas that needs to be filtered at a time is large, which increases energy consumption and takes a long time to filter. Utility Model Content

[0005] The utility model aims to solve the problems existing in the background technology and proposes an automatic welding mechanism for a motorcycle speed change pedal.

[0006] The technical solution of the utility model is an automatic welding mechanism for a motorcycle speed change pedal, comprising:

[0007] A frame, a turntable and a support ring, wherein the bottom end of the frame has a support plate, the support ring is mounted on the upper end of the frame, the turntable is rotatably mounted on the support ring, and a power assembly for driving the turntable to rotate is mounted on the side of the support ring;

[0008] A manipulator, a welding mechanism and a gantry, wherein the gantry is installed on the support ring, the manipulator is installed on the gantry, and the welding mechanism is installed on the manipulator;

[0009] A transparent shell and a soft cover, wherein the transparent shell is located above the turntable, the transparent shell is connected to the gantry, the soft cover is connected and arranged at the upper end of the transparent shell, the welding mechanism is arranged on the inner side of the soft cover, and the upper end of the soft cover is a sealing structure;

[0010] A plurality of placement seats are arranged on the turntable along a circular array, the placement seats are slidably mounted on the turntable and movably penetrate the upper and lower ends of the turntable; a connecting pipe penetrating the upper and lower ends of the plurality of placement seats is arranged, and a one-way exhaust assembly is installed on the inner side of the connecting pipe;

[0011] The exhaust mechanism is used to extract the smoke from the upper end of the placement seat through the connecting pipe;

[0012] The filtering mechanism is used for filtering the gas extracted by the exhaust mechanism.

[0013] Preferably, two sets of fixing mechanisms are installed on the upper ends of multiple placement seats, and the fixing mechanisms include a mounting seat, a telescopic rod, a pressure plate, a screw and a knob. The mounting seat is arranged at the edge of the placement seat, the telescopic rod is connected to the mounting seat, the screw is threadedly connected to the end of the telescopic rod, and the knob and the pressure plate are respectively arranged at the upper and lower ends of the screw.

[0014] Preferably, the power assembly includes a servo motor, a gear and a gear ring, the servo motor is mounted on the side of the support ring, the gear is connected to the output shaft of the servo motor, and the gear ring is mounted on the outer periphery of the turntable and meshes with the gear.

[0015] Preferably, the one-way exhaust assembly includes a fixing ring, a sealing plate a, a guide rod b, a spring b and a partition net, the fixing ring is arranged on the inner wall of the connecting pipe, the sealing plate a is located above the fixing ring, the guide rod b is vertically arranged on the fixing ring, the sealing plate a is slidably arranged on the guide rod b, the limit block b is arranged at the top end of the guide rod b, the spring b is sleeved and installed on the guide rod b, and the partition net is arranged on the inner upper end of the connecting pipe.

[0016] Preferably, the vacuum mechanism includes an electric telescopic rod, an insertion tube, an air pump and a sealing plate b. The air pump and the electric telescopic rod are both mounted on a support plate. The sealing plate b is mounted on the output shaft of the electric telescopic rod. The insertion tube is vertically arranged on the sealing plate b, and a plurality of through holes are provided at the top end of the insertion tube. A hose is connected between the input end of the air pump and the insertion tube.

[0017] Preferably, the filtering mechanism includes a filter box and a plurality of filter screens installed inside the filter box, the filter box is installed on the support plate, and the output end of the air pump is connected to the interior of the filter box.

[0018] Preferably, a guide rod a is provided on one side of each of the multiple placement seats, the guide rod a is vertically connected to the bottom end of the turntable, a connecting slider is provided on the side of the placement seat, the connecting slider is slidably set on the guide rod a, and a limiting block a is provided at the bottom end of the guide rod a.

[0019] Preferably, an angle sensor is installed at the bottom end of the turntable.

[0020] Preferably, the transparent shell is connected with a connecting pipe, and a one-way valve is installed on the connecting pipe.

[0021] Compared with the prior art, the utility model has the following beneficial technical effects:

[0022] 1. In this technical solution, the manipulator is placed as a whole outside the transparent shell, thereby reducing the internal volume of the transparent shell, thereby reducing the amount of gas filtered to improve the gas filtering efficiency.

[0023] 2. By setting up multiple placement seats, the device has independent material placement, welding and material collection stations to improve its work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 and Figure 2 All of them are structural schematic diagrams of the present utility model.

[0025] Figure 3 It is a structural schematic diagram of the transparent shell, soft cover, manipulator and welding mechanism in the utility model.

[0026] Figure 4 It is a cross-sectional structural diagram of the connecting pipe in the utility model.

[0027] Figure 5 for Figure 1 Schematic diagram of the local enlarged structure at point A.

[0028] Figure 6 for Figure 2 Schematic diagram of the local enlarged structure at point B.

[0029] Figure 7 for Figure 4 Schematic diagram of the local enlarged structure at C.

[0030] 1. Frame; 2. Turntable; 3. Support ring; 4. Transparent shell; 5. Soft cover; 6. Manipulator; 7. Welding mechanism; 8. Gantry; 91. Servo motor; 92. Gear; 93. Gear ring; 10. Filter box; 11. Placement seat; 12. Air pump; 121. Hose; 13. Support plate; 14. Controller; 15. Electric telescopic rod; 16. Sealing strip; 17. Angle sensor; 18. Connecting pipe; 19. Fixed ring; 20. Sealing plate a; 21. Mounting seat; 22. Telescopic rod; 23. Pressing plate; 24. Screw; 25. Knob; 26. Guide rod a; 27. Connecting slider; 28. Limit block a; 29. ​​Insertion tube; 291. Through hole; 30. Guide rod b; 31. Spring b; 32. Limit block b; 33. Partition net; 34. Sealing plate b. DETAILED DESCRIPTION

[0031] Embodiment 1

[0032] like Figure 1-Figure 7 As shown, the present embodiment proposes an automatic welding mechanism for a motorcycle speed change pedal, comprising a frame 1, a turntable 2, a support ring 3, a transparent shell 4, a soft cover 5, a manipulator 6, a welding mechanism 7, a gantry 8, an exhaust mechanism, a filtering mechanism and a plurality of placement seats 11.

[0033] The bottom end of the frame 1 is provided with a support plate 13, a support ring 3 is installed at the upper end of the frame 1, the turntable 2 is rotatably installed on the support ring 3, and a power assembly for driving the turntable 2 to rotate is installed on the side of the support ring 3, the power assembly includes a servo motor 91, a gear 92 and a gear ring 93, the servo motor 91 is installed on the side of the support ring 3, the gear 92 is connected to the output shaft of the servo motor 91, the gear ring 93 is installed on the outer periphery of the turntable 2 and meshes with the gear 92, the servo motor 91 drives the gear 92 to rotate, and the rotation of the gear 92 drives the gear 92 to rotate, thereby realizing the driving of the turntable 2.

[0034] An angle sensor 17 is installed at the bottom end of the turntable 2. The angle sensor 17 is used to monitor the rotation angle of the turntable 2 to achieve accurate alignment of the placement seat 11 and the transparent shell 4. The angle sensor 17 feeds back the detection signal to the controller 14. When it is detected that the turntable 2 rotates to the set angle, the controller 14 controls the servo motor 91 to stop driving.

[0035] The gantry 8 is installed on the support ring 3, the manipulator 6 is installed on the gantry 8, and the welding mechanism 7 is installed on the manipulator 6; the transparent shell 4 is located above the turntable 2, the transparent shell 4 is connected to the gantry 8, the soft cover 5 is connected and arranged at the upper end of the transparent shell 4, the welding mechanism 7 is arranged on the inner side of the soft cover 5, and the upper end of the soft cover 5 is a sealing structure; the transparent shell 4 is connected with a connecting pipe, and a one-way valve is installed on the connecting pipe. In order to avoid the phenomenon of pressure build-up inside the transparent shell 4 during the air extraction process, the one-way valve is set to only allow gas to flow from the outside to the inside of the transparent shell 4.

[0036] A plurality of placement seats 11 are arranged on the turntable 2 along a circular array. The placement seats 11 are slidably mounted on the turntable 2 and movably penetrate the upper and lower ends of the turntable 2. A guide rod a26 is arranged on one side of the plurality of placement seats 11. The guide rod a26 is vertically connected to the bottom end of the turntable 2. A connecting slider 27 is arranged on the side of the placement seat 11. The connecting slider 27 is slidably arranged on the guide rod a26. A limit block a28 is arranged at the bottom end of the guide rod a26. Through the arrangement of the above structure, the placement seats 11 can only slide vertically. The placement seat 11 is provided with a connecting pipe 18 running through the upper and lower ends thereof, and a one-way exhaust assembly is installed on the inner side of the connecting pipe 18, and the one-way exhaust assembly includes a fixing ring 19, a sealing plate a20, a guide rod b30, a spring b31 and a partition net 33. The fixing ring 19 is arranged on the inner wall of the connecting pipe 18, the sealing plate a20 is located above the fixing ring 19, the guide rod b30 is vertically arranged on the fixing ring 19, the sealing plate a20 is slidably arranged on the guide rod b30, and the limit block b32 is arranged on the top of the guide rod b30. The spring b31 is sleeved and installed on the guide rod b30, and the partition net 33 is arranged at the inner upper end of the connecting pipe 18 to prevent the workpiece from falling into the inner side of the connecting pipe 18; the air extraction mechanism includes an electric telescopic rod 15, an insertion tube 29, an air pump 12 and a sealing plate b34, the air pump 12 and the electric telescopic rod 15 are both installed on the support plate 13, the sealing plate b34 is installed on the output shaft of the electric telescopic rod 15, the insertion tube 29 is vertically arranged on the sealing plate b34, and the top of the insertion tube 29 is provided with a plurality of through holes 29 1, a hose 121 is connected between the input end of the air pump 12 and the insertion tube 29, and the electric telescopic rod 15 is provided to drive the sealing plate b34 and the insertion tube 29 to move upward to a limited position, and drive the placement seat 11 to move upward, the sealing plate b34 blocks the bottom end opening of the connecting tube 18, and the insertion tube 29 pushes the sealing plate a20 to move upward, so that the sealing plate a20 is separated from the fixing ring 19, and at this time, the upper end of the inner cavity of the connecting tube 18 is connected with the insertion tube 29 and the hose 121 through the through hole 291.

[0037] The exhaust mechanism is used to extract the smoke from the upper end of the placement seat 11 through the connecting pipe 18; the filtering mechanism is used to filter the gas extracted by the exhaust mechanism, and the filtering mechanism includes a filter box 10 and a plurality of filter screens installed inside the filter box 10. The filter box 10 is installed on the support plate 13, and the output end of the air pump 12 is connected to the interior of the filter box 10. After the smoke flows into the interior of the filter box 10, the gas and pollutants in the smoke are filtered through the installed multiple filter screens, and the filtered gas is discharged through the exhaust pipe on the filter box 10.

[0038] In this embodiment, the workpiece to be welded (motorcycle speed change pedal) is placed on the placement seat 11, and the power assembly is used to drive the turntable 2 to rotate until the workpiece moves to a position directly below the transparent shell 4, and then the electric telescopic rod 15 is used to drive the sealing plate b34 and the insertion tube 29 to move upward to a defined position, and drive the placement seat 11 to move upward. In order to improve the sealing between the transparent shell 4 and the placement seat 11, a sealing strip 16 can be provided at the bottom end of the transparent shell 4, and the sealing plate b34 blocks the bottom end opening of the connecting tube 18, and the insert tube 29 is inserted into the bottom end of the transparent shell 4. The inlet pipe 29 pushes the sealing plate a20 to move upward, so that the sealing plate a20 is separated from the fixing ring 19. At this time, the upper end of the inner cavity of the connecting pipe 18 is connected with the insertion pipe 29 and the hose 121. The welding mechanism 7 is operated by the provided manipulator 6 to weld the workpiece. During the welding process, the air pump 12 is started to pump the smoke inside the transparent shell 4 to the inside of the filter box 10 for filtering. Because the manipulator 6 is installed on the outside of the transparent shell 4, the internal volume of the transparent shell 4 is reduced, thereby reducing the filtering amount of the gas to improve the filtering efficiency of the gas.

[0039] Embodiment 2

[0040] like Figure 5 As shown, the present embodiment proposes an automatic welding mechanism for a motorcycle speed change pedal. Compared with the first embodiment, in the present embodiment, two sets of fixing mechanisms are installed on the upper ends of multiple placement seats 11, and the fixing mechanisms include a mounting seat 21, a telescopic rod 22, a pressure plate 23, a screw 24 and a knob 25. The mounting seat 21 is arranged at the edge of the placement seat 11, the telescopic rod 22 is connected to the mounting seat 21, the screw 24 is threadedly connected to the end of the telescopic rod 22, the knob 25 and the pressure plate 23 are respectively arranged at the upper and lower ends of the screw 24, and the screw 24 is driven to rotate by the arranged knob 25, thereby realizing the lifting and lowering of the pressure plate 23, so that the workpiece can be clamped to prevent the workpiece from being displaced during the welding process, so as to improve the processing quality of the workpiece.

[0041] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An automatic welding mechanism for a motorcycle speed change pedal, characterized in that: include: A frame (1), a turntable (2) and a support ring (3), wherein the bottom end of the frame (1) is provided with a support plate (13), the support ring (3) is mounted on the top end of the frame (1), the turntable (2) is rotatably mounted on the support ring (3), and a power assembly for driving the turntable (2) to rotate is mounted on the side of the support ring (3); A manipulator (6), a welding mechanism (7) and a gantry (8), wherein the gantry (8) is mounted on the support ring (3), the manipulator (6) is mounted on the gantry (8), and the welding mechanism (7) is mounted on the manipulator (6); A transparent shell (4) and a soft cover (5), wherein the transparent shell (4) is located above the turntable (2), the transparent shell (4) is connected to the gantry (8), the soft cover (5) is arranged in communication with the upper end of the transparent shell (4), the welding mechanism (7) is arranged on the inner side of the soft cover (5), and the upper end of the soft cover (5) is a sealing structure; A plurality of placement seats (11), the plurality of placement seats (11) are arranged on the turntable (2) along a circular array, the placement seats (11) are slidably mounted on the turntable (2) and movably penetrate the upper and lower ends of the turntable (2); the plurality of placement seats (11) are each provided with a connecting pipe (18) penetrating the upper and lower ends thereof, and a one-way exhaust assembly is installed on the inner side of the connecting pipe (18); An exhaust mechanism, used for extracting smoke from the upper end of the placement seat (11) through the connecting pipe (18); The filtering mechanism is used for filtering the gas extracted by the exhaust mechanism.

2. The automatic welding mechanism for a motorcycle speed change pedal according to claim 1, characterized in that: Two sets of fixing mechanisms are installed at the upper ends of the plurality of placement seats (11), the fixing mechanisms comprising a mounting seat (21), a telescopic rod (22), a pressing plate (23), a screw rod (24) and a knob (25); the mounting seat (21) is arranged at the edge of the placement seat (11), the telescopic rod (22) is connected to the mounting seat (21), the screw rod (24) is threadedly connected to the end of the telescopic rod (22), and the knob (25) and the pressing plate (23) are respectively arranged at the upper and lower ends of the screw rod (24).

3. The automatic welding mechanism for a motorcycle speed change pedal according to claim 1, characterized in that: The power assembly comprises a servo motor (91), a gear (92) and a gear ring (93). The servo motor (91) is mounted on the side of the support ring (3). The gear (92) is connected to the output shaft of the servo motor (91). The gear ring (93) is mounted on the outer periphery of the turntable (2) and meshes with the gear (92).

4. The automatic welding mechanism for a motorcycle speed change pedal according to claim 1, characterized in that: The one-way exhaust assembly comprises a fixing ring (19), a sealing plate a (20), a guide rod b (30), a spring b (31) and a partition net (33). The fixing ring (19) is arranged on the inner wall of the connecting pipe (18), the sealing plate a (20) is located above the fixing ring (19), the guide rod b (30) is vertically arranged on the fixing ring (19), the sealing plate a (20) is slidably arranged on the guide rod b (30), the limit block b (32) is arranged on the top end of the guide rod b (30), the spring b (31) is sleeved and installed on the guide rod b (30), and the partition net (33) is arranged on the inner upper end of the connecting pipe (18).

5. The automatic welding mechanism for a motorcycle speed change pedal according to claim 1, characterized in that: The air extraction mechanism comprises an electric telescopic rod (15), an insertion tube (29), an air pump (12) and a sealing plate b (34). The air pump (12) and the electric telescopic rod (15) are both mounted on a support plate (13). The sealing plate b (34) is mounted on the output shaft of the electric telescopic rod (15). The insertion tube (29) is vertically arranged on the sealing plate b (34). A plurality of through holes (291) are formed at the top end of the insertion tube (29). A hose (121) is connected between the input end of the air pump (12) and the insertion tube (29).

6. The automatic welding mechanism for a motorcycle speed change pedal according to claim 5, characterized in that: The filtering mechanism comprises a filtering box (10) and a plurality of filtering screens installed inside the filtering box (10); the filtering box (10) is installed on a supporting plate (13); and the output end of the air pump (12) is connected to the inside of the filtering box (10).

7. The automatic welding mechanism for a motorcycle speed change pedal according to claim 1, characterized in that: A guide rod a (26) is provided on one side of each of the plurality of placement seats (11), the guide rod a (26) being vertically connected to the bottom end of the turntable (2), a connecting slider (27) is provided on the side of the placement seat (11), the connecting slider (27) being slidably arranged on the guide rod a (26), and a limit block a (28) is provided at the bottom end of the guide rod a (26).

8. The automatic welding mechanism for a motorcycle speed change pedal according to claim 1, characterized in that: An angle sensor (17) is installed at the bottom end of the rotating disk (2).

9. The automatic welding mechanism for a motorcycle speed change pedal according to claim 1, characterized in that: The transparent shell (4) is connected with a connecting pipe, and a one-way valve is installed on the connecting pipe.

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