Synchronous welding rotating fixture

Abstract

The present invention provides a synchronous welding rotating fixture, which belongs to the field of tableware processing equipment, and includes a first rotating plate and a second rotating plate that are relatively and coaxially arranged, the first rotating plate and the second rotating plate are both rotatably connected to a fixed frame, a plurality of second suction cup fixing holes are provided on the first rotating plate and the second rotating plate, a rotating assembly and a telescopic rod are provided at one end of the first rotating plate away from the second rotating plate, a guide rod that is slidably connected to the rotating assembly is provided on the first rotating plate, the telescopic rod is coaxially arranged with the first rotating plate and the two are fixedly connected, the telescopic rod passes through the rotating assembly and is arranged in coordination with the telescopic cylinder, the telescopic rod passes through the output shaft of the telescopic cylinder, the outer ring of the telescopic rod is located on both sides of the telescopic cylinder and is provided with push nuts, and a thrust ball bearing is provided between the output shaft of the telescopic cylinder and the push nut. The present invention can realize 360-degree synchronous rotation, is arranged in coordination with a welding machine, realizes automatic welding under rotation, improves welding accuracy and efficiency, and saves manpower.

Description

Technical Field

[0001] The invention belongs to the field of tableware processing equipment and relates to a synchronous welding rotating fixture. Background Art

[0002] In the process of tableware forming, it is necessary to go through multiple processes such as forming, forging, welding, grinding and polishing. In the process of tableware processing, the upper shell and the lower shell of the hollow tableware need to be aligned and then welded around. Because the upper shell and the lower shell of the hollow tableware are relatively thin, the concentricity must be ensured to ensure the welding surface and improve the welding strength. During the rotation process, the welding machine is set corresponding to the docking part to complete the welding. At present, there is no special clamp for the coaxial fixation of tableware, and it cannot be matched with the welding machine to achieve 360-degree rotation. Summary of the invention

[0003] The problem to be solved by the present invention is to provide a synchronous welding rotating fixture, which can realize 360-degree synchronous rotation and is arranged in conjunction with a welding machine to realize automatic welding under rotation, thereby improving the accuracy and efficiency of welding and saving manpower.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is: a synchronous welding rotating fixture, comprising a first rotating plate and a second rotating plate arranged relatively and coaxially, the first rotating plate and the second rotating plate are both rotatably connected to a fixed frame, the first rotating plate is provided with a plurality of first suction cup fixing holes, and the second rotating plate is provided with a plurality of second suction cup fixing holes;

[0005] A rotating assembly and a telescopic rod are provided at one end of the first rotating plate away from the second rotating plate, a guide rod is vertically provided on one side of the first rotating plate close to the rotating assembly, the guide rod is slidably connected to the rotating assembly, the telescopic rod is coaxially arranged with the first rotating plate and the two are fixedly connected, and the telescopic rod passes through the rotating assembly and is matched with the telescopic cylinder;

[0006] The output shaft of the telescopic cylinder is a hollow shaft structure, the telescopic rod is arranged through the output shaft of the telescopic cylinder, the outer ring of the telescopic rod is located on both sides of the telescopic cylinder and is provided with pushing nuts, and a thrust ball bearing is provided between the output shaft of the telescopic cylinder and the pushing nut.

[0007] Furthermore, the rotating assembly includes a rotating frame and a rotating shaft, the rotating frame is T-shaped, the rotating shaft is coaxially arranged with the rotating frame and the two are axially positioned by a set screw, guide sleeves are embedded at both ends of the rotating frame, the guide rod is arranged in the guide sleeve and the two are slidably connected along the axial direction thereof, and the telescopic rod is arranged through the rotating shaft and there is a gap between the two.

[0008] Furthermore, the number of the pushing nuts is two and the two are arranged in close contact with each other, and the pushing nut and the telescopic rod are matched to form a nut telescopic rod structure.

[0009] Furthermore, the telescopic cylinder is controlled by a solenoid valve, and a muffler is provided on the solenoid valve.

[0010] Furthermore, the telescopic cylinder is fixedly connected to the fixing frame via an adapter plate symmetrically arranged up and down.

[0011] Furthermore, a driving motor is provided on the fixed frame, and the driving motor drives the through shaft to rotate via a pulley and a belt structure. The through shaft is rotatably connected to the fixed frame via a bearing structure, and the parts of the through shaft protruding from the fixed frame at both ends are provided with coaxial driving pulleys, the first rotating plate is provided with a first driven pulley coaxial with the first rotating plate, and the second rotating plate is provided with a second driven pulley coaxial with the first rotating plate, and the first driven pulley and the second driven pulley are respectively driven to rotate by a driving pulley through a transmission belt.

[0012] Furthermore, a pressure wheel is provided at the upper end of each of the transmission belts to ensure its tension, and the pressure wheel is a bearing structure and is rotatably connected to the fixing frame.

[0013] Furthermore, a protective cover is provided on the outside of the fixing frame.

[0014] Compared with the prior art, the present invention has the following advantages and positive effects.

[0015] 1. The present invention sets a first rotating plate and a second rotating plate relative to each other, and the first rotating plate can be extended and retracted relative to the second rotating plate, so as to realize the loading and unloading of tableware. The structural conception is relatively ingenious, and the rotation is realized by the motor and the belt structure, and the telescopic action of the first rotation is realized by the cooperation of the telescopic rod and the telescopic cylinder. The telescopic rod is arranged through the hollow output shaft of the telescopic cylinder, so that the structure is more compact;

[0016] 2. The guide rod is arranged in the guide sleeve and the two are connected in a sliding manner along the axis direction thereof. The telescopic rod is arranged through the rotating shaft and there is a gap between the two. The arrangement of the guide rod can ensure the moving progress of the first rotating plate relative to the rotating frame and ensure the stability of the first rotating plate when it is extended;

[0017] 3. This structure realizes the simultaneous rotation of the first rotating plate and the second rotating plate. The two share a driving motor, which saves energy and makes it easier to ensure synchronous rotation. The upper end of each transmission belt is provided with a clamping wheel to ensure its tension. The clamping wheel is a bearing structure and is rotatably connected to the fixed frame. After the clamping wheel is provided, the tension of the transmission belt can be ensured and the power of power transmission can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 It is a structural schematic diagram of the synchronous welding rotating fixture of the present invention;

[0020] Figure 2 It is a schematic diagram of the structure of the synchronous welding rotary fixture of the present invention when viewed from the front without the protective cover;

[0021] Figure 3 It is a schematic diagram of the structure of the synchronous welding rotary fixture of the present invention when viewed from above without the protective cover;

[0022] Figure 4 The present invention Figure 3 Detailed drawing of Part I;

[0023] Figure 5 It is a schematic diagram of the structure of the synchronous welding rotary fixture of the present invention without the protective cover from the rear;

[0024] Figure 6 It is a structural schematic diagram of the rotating assembly of the present invention.

[0025] Reference numerals:

[0026] 1. Fixed frame; 11. Driving motor; 12. Coaxial; 13. Driving pulley; 14. Transmission belt; 15. First driven pulley; 16. Second driven pulley; 17. Pressure wheel; 19. Protective cover; 2. First rotating plate; 21. First suction cup fixing hole; 22. Guide rod; 3. Second rotating plate; 31. Second suction cup fixing hole; 4. Rotating assembly; 41. Rotating frame; 42. Rotating shaft; 43. Bushing; 5. Telescopic cylinder; 51. Adapter plate; 52. Solenoid valve; 521. Muffler; 6. Telescopic rod; 61. Push nut; 62. Thrust ball bearing. DETAILED DESCRIPTION

[0027] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0028] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and the like are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", and the like may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0030] The specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0031] like Figure 1 to Figure 6 As shown, the present invention is a synchronous welding rotating fixture, comprising a first rotating plate 2 and a second rotating plate 3 which are arranged oppositely and coaxially, the first rotating plate 2 and the second rotating plate 3 are both rotatably connected to a fixed frame 1, a plurality of first suction cup fixing holes 21 are provided on the first rotating plate 2, and a plurality of second suction cup fixing holes 31 are provided on the second rotating plate 3;

[0032] A rotating assembly 4 and a telescopic rod 6 are provided at one end of the first rotating plate 2 away from the second rotating plate 3. A guide rod 22 is vertically provided on one side of the first rotating plate 2 close to the rotating assembly 4. The guide rod 22 is slidably connected to the rotating assembly 4. The telescopic rod 6 is coaxially arranged with the first rotating plate 2 and the two are fixedly connected. The telescopic rod 6 passes through the rotating assembly 4 and is matched with the telescopic cylinder 5. The telescopic rod 6 is a screw structure, and the push nut 61 is matched with the screw to form a nut screw structure, which is convenient for adjusting the position of the push nut on the screw to compensate for the processing error.

[0033] The output shaft of the telescopic cylinder 5 is a hollow shaft structure, and the telescopic rod 6 passes through the output shaft of the telescopic cylinder 5. The outer ring of the telescopic rod 6 is located on both sides of the telescopic cylinder 5 and push nuts 61 are provided. A thrust ball bearing 62 is provided between the output shaft of the telescopic cylinder 5 and the push nut 61. The thrust ball bearing 62 can withstand radial force. When the output shaft of the telescopic cylinder 5 is extended, force is applied to the thrust ball bearing 62, thereby pushing the telescopic rod 6 forward and backward, so that the first rotating plate 2 can move forward smoothly to correspond to the second rotating plate 3, and retract to separate from the second rotating plate 3, thereby ensuring loading before welding and unloading after welding.

[0034] Preferably, the rotating assembly 4 includes a rotating frame 41 and a rotating shaft 42, the rotating frame 41 is T-shaped, the rotating shaft 42 is coaxially arranged with the rotating frame 41, and the two are axially positioned by a set screw, guide sleeves are embedded at both ends of the rotating frame 41, the guide rod 22 is arranged in the guide sleeve and the two are slidably connected along the axial direction thereof, the telescopic rod 6 is arranged through the rotating shaft 42 and there is a gap between the two, and the setting of the guide rod 22 can ensure the movement progress of the first rotating plate 2 relative to the rotating frame 41, and ensure the stability of the first rotating plate 2 when it is extended.

[0035] Preferably, there are two pushing nuts 61 and they are arranged in a close fit. The pushing nut 61 and the telescopic rod 6 are matched to form a nut telescopic rod 6 structure to prevent loosening; more preferably, the telescopic cylinder 5 is controlled by a solenoid valve 52, and a muffler 521 is provided on the solenoid valve 52, which is simple to control and simplifies the control procedure. After the muffler 521 is set, the noise can be reduced; more preferably, the telescopic cylinder 5 is fixedly connected to the fixed frame 1 through an adapter plate 51 symmetrically arranged up and down, and the adapter plate 51 is a sheet metal structure with low cost and high strength.

[0036] Preferably, a driving motor 11 is provided on the fixed frame 1, and the driving motor 11 drives the through shaft 12 to rotate through a pulley and a belt structure. The through shaft 12 is rotatably connected to the fixed frame 1 through a bearing structure. The parts of the through shaft 12 protruding from the fixed frame 1 at both ends are provided with coaxial driving pulleys 13. The first rotating plate 2 is provided with a first driven pulley 15 coaxial therewith, and the second rotating plate 3 is provided with a second driven pulley 16 coaxial therewith. The first driven pulley 15 and the second driven pulley 16 are respectively driven to rotate by a driving pulley 13 through a transmission belt 14. This structure realizes the simultaneous rotation of the first rotating plate 2 and the second rotating plate 3. The two share a driving motor 11, which saves energy and makes it easier to ensure synchronous rotation. More preferably, a clamping wheel 17 is provided at the upper end of each transmission belt 14 to ensure its tension. The clamping wheel 17 is a bearing structure and is rotatably connected to the fixed frame 1. After the clamping wheel 17 is provided, the tension of the transmission belt 14 can be guaranteed, thereby improving the power of power transmission.

[0037] Preferably, a protective cover 19 is provided on the outside of the fixing frame 1, and the driving motor 11, the driving belt and the driving pulley 13, the first driven pulley 15 and the second driven pulley 16 are all arranged inside the protective cover 19, firstly for aesthetics, and secondly to prevent dust and the like from entering and affecting the operation of the structure.

[0038] In actual application, the number of the first suction cup fixing hole 21 and the second suction cup fixing hole 31 are both multiple. A vacuum suction cup is provided in the first suction cup fixing hole 21, and a vacuum suction cup is also provided in the second suction cup fixing hole 31. The vacuum suction cups are used to respectively adsorb the end and the handle of the tableware to ensure that the end and the handle are coaxially placed. It can be placed manually or by a robot without specific limitation. Manual placement is currently mostly adopted. After placement, the telescopic cylinder 5 is actuated, and the telescopic rod 6 drives the first rotating plate 2 to approach the second rotating plate 3 to complete the corresponding overlap and compression of the two parts of the tableware, and then the driving motor 11 is actuated to drive the first rotating plate 2 and the second rotating plate 3 to rotate simultaneously through the pulley and belt structure. While rotating 360 degrees, circumferential automatic welding is completed, thereby improving the welding efficiency.

[0039] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. Synchronous welding rotating fixture, characterized by: It comprises a first rotating plate and a second rotating plate which are arranged oppositely and coaxially, the first rotating plate and the second rotating plate are both rotatably connected to a fixing frame, the first rotating plate is provided with a plurality of first suction cup fixing holes, and the second rotating plate is provided with a plurality of second suction cup fixing holes; A rotating assembly and a telescopic rod are provided at one end of the first rotating plate away from the second rotating plate, a guide rod is vertically provided on one side of the first rotating plate close to the rotating assembly, the guide rod is slidably connected to the rotating assembly, the telescopic rod is coaxially arranged with the first rotating plate and the two are fixedly connected, and the telescopic rod passes through the rotating assembly and is matched with the telescopic cylinder; The output shaft of the telescopic cylinder is a hollow shaft structure, the telescopic rod is arranged through the output shaft of the telescopic cylinder, the outer ring of the telescopic rod is located on both sides of the telescopic cylinder and is provided with push nuts, and a thrust ball bearing is provided between the output shaft of the telescopic cylinder and the push nuts; The rotating assembly comprises a rotating frame and a rotating shaft, the rotating frame is T-shaped, the rotating shaft is coaxially arranged with the rotating frame and the two are axially positioned by a set screw, guide sleeves are embedded at both ends of the rotating frame, the guide rod is arranged in the guide sleeve and the two are slidably connected along the axial direction thereof, and the telescopic rod is arranged through the rotating shaft and there is a gap between the two; The number of the pushing nuts is two and the two are arranged in close contact with each other. The pushing nut and the telescopic rod are matched to form a nut telescopic rod structure.

2. The synchronous welding rotating fixture according to claim 1, characterized in that: The telescopic cylinder is controlled by a solenoid valve, and a muffler is provided on the solenoid valve.

3. The synchronous welding rotating fixture according to any one of claims 1 to 2, characterized in that: The telescopic cylinder is fixedly connected to the fixing frame via an adapter plate symmetrically arranged up and down.

4. The synchronous welding rotating fixture according to any one of claims 1 to 2, characterized in that: The fixed frame is provided with a driving motor, and the driving motor drives the through shaft to rotate through a pulley and a belt structure. The through shaft is rotatably connected to the fixed frame through a bearing structure. The parts of the through shaft protruding from the fixed frame at both ends are provided with coaxial driving pulleys. The first rotating plate is provided with a first driven pulley coaxial with the first rotating plate, and the second rotating plate is provided with a second driven pulley coaxial with the first rotating plate. The first driven pulley and the second driven pulley are respectively driven to rotate by a driving pulley through a transmission belt.

5. The synchronous welding rotating fixture according to claim 4, characterized in that: A pressure wheel is provided at the upper end of each of the transmission belts to ensure its tension. The pressure wheel is a bearing structure and is rotatably connected to the fixing frame.

6. The synchronous welding rotating fixture according to claim 1, characterized in that: A protective cover is arranged outside the fixing frame.

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