Wheat harvester outer cone welding tool

Abstract

The utility model relates to the technical field of harvesters, in particular to a wheat harvester outer cone welding tool which comprises a base, a cone positioning mechanism is fixedly arranged on the base, a cone clamping mechanism is fixedly arranged on the inner side of the cone positioning mechanism, and a front cross beam and a corner fitting positioning mechanism are fixedly arranged on the base. A connecting plate and a cone straight edge clamping mechanism are fixedly arranged on the base; a cone arc-shaped edge positioning mechanism is fixedly arranged on the cone positioning mechanism; a flange baffle and a connecting plate positioning mechanism are fixedly arranged on the base; side plate positioning mechanisms are fixedly arranged on the base respectively; a baffle welding piece positioning mechanism is fixedly arranged on the base; a left connecting lug positioning mechanism and a right connecting lug positioning mechanism are fixedly arranged on the base. The outer cone welding fixture has the advantages that all welding parts of an outer cone are accurately positioned and clamped, the cylinder is adopted for driving and clamping, the automation degree is high, the production efficiency is greatly improved, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of harvesters, in particular to an outer cone welding tool for a wheat harvester. Background Art

[0002] In a large wheat harvester, the outer cone is connected to the bridge body in front and the detachment body in the back, which is the passage for wheat to pass through. In order to ensure that the outer cone can be better connected to the harvester mechanism, it is usually necessary to weld the cone flange, cone baffle, connecting plate, left and right baffles, front crossbeam, corner piece, side plate and left and right connecting ears on the cone body of the outer cone, which has many parts. Most of the existing outer cone welding tools are simple tools, which are difficult to guarantee the quality, and most of the clamping is done manually, which is time-consuming and laborious. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a welding tool for the outer cone of a wheat harvester, which can accurately position and clamp all welding parts and ensure the welding quality of the outer cone.

[0004] The utility model solves the above-mentioned technical problems with the following technical solutions: a welding tool for an outer cone of a wheat harvester, comprising a base, on which a cone positioning mechanism for positioning the inner arc surface of a cone body of the outer cone is fixedly provided, a cone clamping mechanism for pressing down the cone body is fixedly provided on the inner side of the cone positioning mechanism, a front crossbeam and corner piece positioning mechanism for supporting and positioning a front crossbeam and corner piece of the outer cone is fixedly provided on the base outside the cone positioning mechanism; a connecting plate and a cone straight edge clamping mechanism for supporting and positioning a cone straight edge and a connecting plate of the outer cone are fixedly provided on the base outside the cone positioning mechanism; a portion of the cone positioning mechanism relative to the connecting plate and the cone straight edge clamping mechanism A cone arc edge positioning mechanism for supporting and positioning the arc edge of the cone is fixedly arranged on the base on the side; a flange baffle and connecting plate positioning mechanism for supporting and positioning the cone flange, cone baffle and connecting plate of the outer cone is fixedly arranged on the base on both sides of the cone positioning mechanism; side plate positioning mechanisms for supporting and positioning the side plates of the outer cone are fixedly arranged on the base on both sides of the cone positioning mechanism; a baffle weld part positioning mechanism for supporting and positioning the baffle weld part of the outer cone is fixedly arranged on the base outside the cone positioning mechanism; a left and right connecting ear positioning mechanism for supporting and positioning the left and right connecting ears of the outer cone is fixedly arranged on the base outside the cone positioning mechanism.

[0005] The beneficial effects of the utility model are as follows: the utility model accurately positions and clamps all the welding parts of the outer cone, and adopts cylinder-driven clamping, so the degree of automation is very high, the production efficiency is greatly improved, and time and labor are saved.

[0006] On the basis of the above technical solution, the present invention can also be improved as follows.

[0007] Furthermore, the cone positioning mechanism includes a plurality of layers of annular plates arranged in sequence from top to bottom and a plurality of arc plates arranged in sequence below the annular plates. The annular plates and the arc plates are arranged coaxially, and two adjacent annular plates are fixedly connected by rib plates, and the outer diameters of the plurality of layers of annular plates increase in sequence from top to bottom. Adjacent arc plates and the arc plates and the annular plates are fixedly connected by positioning pins, and the arc plate located at the bottom is fixedly provided on the base.

[0008] The beneficial effect of adopting the above further scheme is: a cone structure with a small top and a large bottom is formed by multiple layers of annular plates and arc plates, and the inner arc surface of the cone body is contoured and positioned to ensure the accurate positioning of the cone body.

[0009] Furthermore, the conical clamping mechanism includes a clamping cylinder base, which is fixed on the base and arranged on the inner side of the arc-shaped plate. A conical clamping cylinder is fixedly arranged on the clamping cylinder base, and the output shaft of the conical clamping cylinder is vertically arranged and fixedly connected to the bottom end of the vertically arranged clamping shaft. The top end of the clamping shaft is integrally fixedly connected with a threaded section, and the diameter of the threaded section is smaller than the diameter of the clamping shaft, so that a step structure is formed at the connection between the threaded section and the clamping shaft, and a clamping frame is sleeved on the threaded section, and the clamping frame is placed on the step structure. The top of the threaded section is threadedly connected with a clamping disk for locking the clamping frame on the step structure, and a plurality of downward-pressing quick clamps are evenly arranged on the periphery of the clamping frame.

[0010] The beneficial effect of adopting the above further scheme is: the cone clamping cylinder drives the clamping frame to descend, thereby driving the downward pressure type quick clamp to act on the cone body, thereby pressing the cone body to move downward, and can drive the cone body to a suitable positioning position, which is convenient and fast to operate, saving time and effort.

[0011] Further, the number of the front cross beam and corner piece positioning mechanisms is two, the two front cross beam and corner piece positioning mechanisms are arranged at intervals on the same side of the cone positioning mechanism, and the two front cross beam and corner piece positioning mechanisms are symmetrically arranged; the front cross beam and corner piece positioning mechanism comprises a cross beam support bottom plate, the cross beam support bottom plate is fixedly arranged on the base, a cross beam support seat is fixedly arranged on the cross beam support bottom plate, and a cross beam positioning pin is fixedly arranged on the top of the cross beam support seat;

[0012] A corner piece support seat for supporting the corner piece is fixedly provided on the base next to the crossbeam support seat;

[0013] A crossbeam clamping cylinder is fixedly provided on the base at a side of the crossbeam support seat away from the cone positioning mechanism, the output shaft of the crossbeam clamping cylinder faces the crossbeam support seat, a crossbeam clamping plate is fixedly connected to the output shaft of the crossbeam clamping cylinder, a crossbeam pressing pad for pressing the upper surface of the front crossbeam of the outer cone is provided at the bottom of the crossbeam clamping plate away from the crossbeam clamping cylinder, and an angle piece pressing pad for pressing the side wall of the angle piece is provided at the end of the crossbeam clamping plate away from the crossbeam clamping cylinder;

[0014] A corner piece clamping seat is fixedly provided on the base on one side of the corner piece supporting seat, a support arm is fixedly provided on the top of the corner piece clamping seat, and a pressing mechanism for pressing the upper surface of the corner piece is installed on the top of the support arm.

[0015] The beneficial effects of adopting the above further solution are: achieving accurate positioning of the front cross beam and the corner pieces, and improving the welding quality of the front cross beam and the corner pieces.

[0016] Furthermore, there are multiple cone arc-shaped edge positioning mechanisms, and the multiple cone arc-shaped edge positioning mechanisms are evenly arranged on one side of the cone positioning mechanism away from the connecting plate and the cone straight edge clamping mechanism; the cone arc-shaped edge positioning mechanism includes an arc-shaped edge positioning base plate, an arc-shaped edge positioning cylinder is fixedly provided on the arc-shaped edge positioning base plate, the output shaft of the arc-shaped edge positioning cylinder is arranged toward the bottom of the cone positioning mechanism, and an arc-shaped edge clamping plate is fixedly provided on the output shaft of the arc-shaped edge positioning cylinder.

[0017] The beneficial effect of adopting the above further solution is: the arc-shaped edge clamping plates are driven by multiple arc-shaped edge positioning cylinders to press against the arc-shaped edge of the cone, thereby ensuring the stability of the positioning of the arc-shaped edge of the cone.

[0018] Furthermore, the number of the flange baffle and connecting plate positioning mechanisms is two, and the two flange baffles and connecting plate positioning mechanisms are symmetrically arranged on both sides of the cone positioning mechanism, and the flange baffle and connecting plate positioning mechanisms include a flange baffle positioning seat, the flange baffle positioning seat is fixed on the base, a flange positioning guide seat is fixedly provided on the top of the flange baffle positioning seat, a flange positioning rod is provided on the flange pressing guide seat, one end of the flange positioning rod is pivotally connected to the flange pressing guide seat through a flange fixed rotation pin to realize the flipping of the flange guide rod in the vertical direction, a flange positioning pin is fixedly provided on the bottom of the other end of the flange positioning rod, and a first locking mechanism for locking the flange positioning rod is provided on the flange pressing guide seat. A locking piece; a baffle and a connecting plate guide seat are respectively fixedly provided on both sides of the middle of the flange baffle positioning seat, and each of the baffle and connecting plate guide seats is provided with a baffle and connecting plate positioning rod, one end of the baffle and connecting plate positioning rod is pivotally connected to the baffle and connecting plate guide seat through a vertically arranged baffle and connecting plate positioning pin to realize the flipping of the baffle and connecting plate positioning rod in the horizontal direction. A baffle pad for abutting the side wall of the conical baffle of the outer cone is fixedly provided in the middle of the upper surface of the baffle and connecting plate positioning rod, and a connecting plate pad for supporting the connecting plate is provided on the top of the other end of the baffle and connecting plate positioning rod, and a second locking piece for locking the baffle and connecting plate positioning rod is provided on the baffle and connecting plate guide seat.

[0019] The beneficial effect of adopting the above further solution is: achieving accurate positioning of the cone flange, the cone baffle and the connecting plate, and improving the quality of welding.

[0020] Furthermore, the connecting plate and cone straight-edge clamping mechanism includes a fixed seat, the bottom of the fixing seat is fixed to the base, a connecting plate push-pull type clamp is fixedly arranged on the top of the fixing seat, the output shaft of the connecting plate push-pull type clamp is arranged toward the cone positioning mechanism, a fixing block is fixedly arranged on the output shaft of the connecting plate push-pull type clamp, a connecting plate clamping pad is fixedly arranged on the end of the fixing block away from the connecting plate push-pull type clamp, connecting seats are fixedly arranged on both sides of the lower part of the fixing seat, flat-push type quick clamps are fixedly arranged on the connecting seats, and a straight-edge pad is fixedly arranged on the output end of the flat-push type quick clamp.

[0021] The beneficial effects of adopting the above further scheme are: the fixing block is pushed out by the connecting plate push-pull type clamp, thereby pressing the side of the connecting plate, pressing the connecting plate against the outer wall of the cone body, and realizing the positioning of the connecting plate; the straight-edge pads are pushed out respectively by two flat-push quick clamps, thereby realizing the pressing and positioning of the straight edge of the cone.

[0022] Furthermore, the side panel positioning mechanism includes two groups of side panel positioning assemblies, and the two groups of side panel positioning assemblies are symmetrically arranged on both sides of the cone positioning mechanism, and each group of side panel positioning assemblies includes two side panel positioning seats, and the side panel positioning seats are provided with side panel positioning grooves for inserting the side panels of the outer cone, and the side panel positioning grooves on the two side panel positioning seats in each group of side panel positioning assemblies are located on the same vertical plane.

[0023] The beneficial effect of adopting the above further solution is: each side panel is correspondingly inserted into the two side panel positioning grooves, thereby realizing the positioning of the side panels, with a simple structure and accurate positioning.

[0024] Furthermore, the baffle weld part positioning mechanism includes a weld part positioning seat, the weld part positioning seat is fixed on the base, a weld part support seat is fixedly provided in the middle of the weld part positioning seat, a weld part support pad for supporting the cone weld part is rotatably provided on the weld part support seat through a vertically arranged weld part support pin shaft; a weld part push-pull type clamp is fixedly provided on the top of the weld part positioning seat, the output shaft of the weld part push-pull type clamp faces the cone positioning mechanism, a weld part positioning disk is fixedly provided on the output shaft of the weld part push-pull type clamp, and a plurality of weld part positioning pads are evenly provided on the periphery of the end surface of the weld part positioning disk facing the cone positioning mechanism.

[0025] The beneficial effect of adopting the above further scheme is: the welding part support pad supports the bottom of the conical welding part, and then the welding part positioning plate is pushed out by the welding part push-pull clamp, so that multiple welding part positioning pads are correspondingly inserted into the holes of the conical welding part, thereby realizing the support and positioning of the conical welding part.

[0026] Furthermore, it also includes a cone straight edge positioning mechanism, which includes a straight edge positioning seat, which is fixed on the base and fixed on the inner side of the cone positioning mechanism. A straight edge positioning cylinder is fixed on the straight edge positioning seat, and the output shaft of the straight edge positioning cylinder is arranged toward the outer side of the cone positioning mechanism. A straight edge positioning block for pressing the straight edge of the cone is fixed on the output shaft of the straight edge positioning cylinder.

[0027] The beneficial effect of adopting the above further solution is that the positioning cylinder pushes out the straight-side positioning block to press the straight side of the cone, thereby achieving the pressing and positioning of the straight side of the cone. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0029] Figure 2 It is a top view of the utility model;

[0030] Figure 3For this utility model Figure 1 An enlarged schematic diagram of A in FIG.

[0031] Figure 4 It is a structural schematic diagram of the cone positioning mechanism in the utility model;

[0032] Figure 5 It is a structural schematic diagram of the cone clamping mechanism in the utility model;

[0033] Figure 6 It is a structural schematic diagram of the connecting plate and the cone straight edge clamping mechanism in the utility model;

[0034] Figure 7 It is a structural schematic diagram of the cone arc edge positioning mechanism in the utility model;

[0035] Figure 8 It is a structural schematic diagram of the flange baffle and the connecting plate positioning mechanism in the utility model;

[0036] Fig. 9 It is a structural schematic diagram of the baffle welding part positioning mechanism in the utility model;

[0037] Fig.10 It is a structural schematic diagram of the cone straight edge positioning mechanism in the utility model;

[0038] Fig.11 It is a structural schematic diagram of the outer cone after welding in the utility model;

[0039] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0040] 1. Base;

[0041] 2. Cone positioning mechanism; 21. Annular plate; 22. Arc plate; 23. Rib plate; 24. Positioning pin shaft;

[0042] 3. Cone clamping mechanism; 31. Clamping cylinder base; 32. Cone clamping cylinder; 33. Clamping shaft; 34. Threaded section; 35. Clamping frame; 36. Clamping plate; 37. Downward pressure quick clamp;

[0043] 4. Front crossbeam and corner piece positioning mechanism; 41. Crossbeam supporting bottom plate; 42. Crossbeam supporting seat; 43. Crossbeam positioning pin; 44. Corner piece supporting seat; 45. Crossbeam clamping cylinder; 46. Crossbeam clamping plate; 47. Crossbeam pressing pad; 48. Corner piece pressing pad; 49. Corner piece clamping seat; 410. Support arm; 411. Pressing mechanism;

[0044] 5. Connecting plate and cone straight edge clamping mechanism; 51. Fixed seat; 52. Connecting plate push-pull type clamp; 53. Fixed block; 54. Connecting plate clamping pad; 55. Connecting seat; 56. Flat push type quick clamp; 57. Straight edge pad;

[0045] 6. Cone arc-shaped edge positioning mechanism; 61. Arc-shaped edge positioning base plate; 62. Arc-shaped edge positioning cylinder; 63. Arc-shaped edge clamping plate;

[0046] 7. Flange baffle and connecting plate positioning mechanism; 71. Flange baffle positioning seat; 72. Flange positioning guide seat; 73. Flange positioning rod; 74. Flange fixed rotation pin; 75. Flange positioning pin; 76. First locking member; 77. Baffle and connecting plate guide seat; 78. Baffle and connecting plate positioning rod; 79. Baffle and connecting plate positioning pin; 710. Baffle pad; 711. Connecting plate pad; 712. Second locking member;

[0047] 8. Side panel positioning mechanism; 81. Side panel positioning seat; 82. Side panel positioning groove;

[0048] 9. baffle plate welding part positioning mechanism; 91. welding part positioning seat; 92. welding part supporting seat; 93. welding part supporting pin shaft; 94. welding part supporting pad; 95. welding part push-pull type clamp; 96. welding part positioning plate; 97. welding part positioning pad;

[0049] 10. Cone straight edge positioning mechanism; 101. Straight edge positioning seat; 102. Straight edge positioning cylinder; 103. Straight edge positioning block;

[0050] 11. Left and right connecting ear positioning mechanism;

[0051] 12. Outer cone; 121. Cone body; 122. Cone flange; 123. Cone baffle; 124. Connecting plate; 125. Baffle welded parts; 126. Left and right connecting ears; 127. Cone straight edge; 128. Front crossbeam; 129. Corner piece; 1210. Cone curved edge; 1211. Side panel. DETAILED DESCRIPTION

[0052] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0053] like Fig.11The figure shows a schematic structural diagram of the welded outer cone 12 in the utility model, wherein the outer cone 12 comprises a cone body 121, a cone flange 122 is welded and fixed to the top of the cone body 121, a cone baffle 123 is welded and fixed to the upper part of the outer wall of the cone body 121, a connecting plate 124 is fixed to the bottom of the cone baffle 123, the connecting plate 124 is welded to the outer wall of the cone body 121, baffle welded parts 125 are provided at both ends of the cone baffle 123, the baffle welded parts 125 are welded to the outer wall of the cone body 121, the cone baffle 123 is welded to both ends of the cone baffle 123, and the top of the cone baffle 123 is welded to the cone flange 122. A cone straight edge 127 is welded to the bottom of the cone main body 121, a front cross beam 128 is welded to the bottom of the cone straight edge 127, and the front cross beam 128 is arranged vertically below the cone baffle 123. Corner pieces 129 are welded to the two ends of the front cross beam 128, one end of the two corner pieces 129 is welded to the two ends of the cone straight edge 127, and the other ends of the two corner pieces 129 are welded to the two ends of the cone arcuate edge 1210, and the bottom of the two corner pieces 129 is welded with side plates 1211, the cone arcuate edge 1210 is welded to the bottom of the cone main body 121, and left and right connecting ears 126 are welded to the cone arcuate edge 1210.

[0054] like Figure 1 , Figure 2 As shown, an embodiment of the utility model includes a base 1, a universal wheel is fixedly provided at the bottom of the base 1, and a wheel lock mechanism is provided on the universal wheel (the prior art in this field, and its specific structure is not described here).

[0055] A cone positioning mechanism 2 for positioning the inner arc surface of the cone body 121 of the outer cone 12 is fixedly provided on the base 1, a cone clamping mechanism 3 for pressing down the cone body 121 is fixedly provided on the inner side of the cone positioning mechanism 2, a front crossbeam and corner piece positioning mechanism 4 for supporting and positioning the front crossbeam 128 and corner piece 129 of the outer cone 12 is fixedly provided on the base 1 on the outer side of the cone positioning mechanism 2; a connecting plate and cone straight edge clamping mechanism 5 for supporting and positioning the cone straight edge 127 and connecting plate 124 of the outer cone 12 are fixedly provided on the base 1 on the outer side of the cone positioning mechanism 2; a cone arc edge positioning mechanism 6 for supporting and positioning the cone arc edge 1210 is fixedly provided on the base 1 on one side of the cone positioning mechanism 2 relative to the connecting plate and cone straight edge clamping mechanism 5; the bases on both sides of the cone positioning mechanism 2 1 is fixedly provided with a flange baffle and connecting plate positioning mechanism 7 for supporting and positioning the cone flange 122, the cone baffle 123 and the connecting plate 124 of the outer cone 12; the base 1 on both sides of the cone positioning mechanism 2 are respectively fixedly provided with side plate positioning mechanisms 8 for supporting and positioning the side plates 1211 of the outer cone 12; the base 1 outside the cone positioning mechanism 2 is fixedly provided with a baffle welding part positioning mechanism 9 for supporting and positioning the baffle welding part 125 of the outer cone 12; the base 1 outside the cone positioning mechanism 2 is fixedly provided with a left and right connecting ear positioning mechanism 11 for supporting and positioning the left and right connecting ears 126 of the outer cone 12, and the left and right connecting ear positioning mechanism 11 includes a seat body fixed on the base 1, the seat body is L-shaped, and a connecting ear positioning pin is fixedly provided on the side of the seat body facing the cone positioning mechanism 2.

[0056] The side panel positioning mechanism 8 includes two groups of side panel positioning components, and the two groups of side panel positioning components are symmetrically arranged on both sides of the cone positioning mechanism 2. Each group of side panel positioning components includes two side panel positioning seats 81. The side panel positioning seats 81 are provided with side panel positioning grooves 82 for inserting the side panels 1211 of the outer cone 12. The side panel positioning grooves 82 on the two side panel positioning seats 81 in each group of side panel positioning components are located on the same vertical plane.

[0057] In an embodiment of the utility model, an angle positioning mechanism for preventing the cone body 121 of the outer cone 12 from rotating is fixedly provided on the base 1. Specifically, a cylinder-driven pressure seat can be provided to press the outer wall of the cone body 121 to prevent the cone body 121 from rotating.

[0058] like Figure 4As shown, in an embodiment of the utility model, the cone positioning mechanism 2 includes a plurality of layers of annular plates 21 arranged in sequence from top to bottom and a plurality of arc plates 22 arranged in sequence below the annular plates 21, the annular plates 21 and the arc plates 22 are arranged coaxially, two adjacent annular plates 21 are fixedly connected by rib plates 23, and the outer diameters of the plurality of layers of annular plates 21 increase in sequence from top to bottom, and the adjacent arc plates 22 and the arc plates 22 and the annular plates 21 are fixedly connected by positioning pins 24, and the arc plate 22 at the bottom is fixedly arranged on the base 1, and a cone structure with a small top and a large bottom is formed by the plurality of layers of annular plates 21 and the arc plates 22, so as to perform contour positioning for the inner arc surface of the cone body 121, thereby ensuring the precise positioning of the cone body 121.

[0059] In a specific embodiment, the number of the annular plates 21 is three, the number of the arc plates 22 is two, the diameters of the two layers of the arc plates 22 are the same, and they are symmetrically arranged up and down, so that a notch connected to the inner side of the arc plate 22 is provided below the annular plate 21 for installing the cone straight edge positioning mechanism 10.

[0060] like Figure 5 As shown, in the embodiment of the utility model, the conical clamping mechanism 3 includes a clamping cylinder base 31, the clamping cylinder base 31 is fixed on the base 1, and the clamping cylinder base 31 is arranged on the inner side of the arc plate 22, a conical clamping cylinder 32 is fixedly arranged on the clamping cylinder base 31, the output shaft of the conical clamping cylinder 32 is vertically arranged and fixedly connected to the bottom end of the vertically arranged clamping shaft 33, the top of the clamping shaft 33 is integrally fixedly connected with a threaded section 34, the diameter of the threaded section 34 is smaller than the diameter of the clamping shaft 33, so that the connection between the threaded section 34 and the clamping shaft 33 forms a step structure, the threaded section 34 is sleeved with a clamping frame 35, the clamping frame 35 is placed on the step structure, the top of the threaded section 34 is threadedly connected with a clamping disk 36 for locking the clamping frame 35 on the step structure, so as to facilitate the installation and disassembly of the clamping frame 35.

[0061] In a specific embodiment of the utility model, an intermediate seat is provided in the middle of the clamping frame 35, and the intermediate seat is sleeved on the threaded section 34. Four clamping arms are evenly arranged around the intermediate seat, and a plurality of downward-pressing quick clamps 37 are evenly arranged around the clamping frame 35. The downward-pressing quick clamps 37 are fixedly arranged on one end of the clamping arm away from the intermediate seat. The clamping frame 35 is driven to descend by the cone clamping cylinder 32, thereby driving the downward-pressing quick clamps 37 to act on the cone body 121, thereby pressing the cone body 121 to move downward, and can drive the cone body 121 to a suitable positioning position, which is convenient and fast to operate, saving time and effort.

[0062] like Figure 3 As shown, the number of the front cross beam and corner piece positioning mechanisms 4 is two, and the two front cross beam and corner piece positioning mechanisms 4 are arranged at intervals on the same side of the cone positioning mechanism 2, and the two front cross beam and corner piece positioning mechanisms 4 are symmetrically arranged; the front cross beam and corner piece positioning mechanism 4 includes a cross beam support bottom plate 41, the cross beam support bottom plate 41 is fixedly arranged on the base 1, a cross beam support seat 42 is fixedly arranged on the cross beam support bottom plate 41, and a cross beam positioning pin 43 is fixedly arranged on the top of the cross beam support seat 42;

[0063] A corner piece support seat 44 for supporting the corner piece 129 is fixedly provided on the base 1 next to the cross beam support seat 42;

[0064] A beam clamping cylinder 45 is fixedly provided on the base 1 at a side of the beam support seat 42 away from the cone positioning mechanism 2, the output shaft of the beam clamping cylinder 45 faces the beam support seat 42, a beam clamping plate 46 is fixedly connected to the output shaft of the beam clamping cylinder 45, a beam pressing pad 47 for pressing against the upper surface of the front beam 128 of the outer cone 12 is provided at the bottom of the beam clamping plate 46 away from the beam clamping cylinder 45, and an angle piece pressing pad 48 for pressing against the side wall of the angle piece 129 is provided at the end of the beam clamping plate 46 away from the beam clamping cylinder 45;

[0065] A corner piece clamping seat 49 is fixedly provided on the base 1 on one side of the corner piece support seat 44, a support arm 410 is fixedly provided on the top of the corner piece clamping seat 49, and a pressing mechanism 411 for pressing the upper surface of the corner piece 129 is installed on the top of the support arm 410, so as to realize the precise positioning of the front beam 128 and the corner piece 129 and improve the welding quality of the front beam 128 and the corner piece 129.

[0066] like Figure 6As shown, the connecting plate and cone straight edge clamping mechanism 5 includes a fixing seat 51, the bottom of the fixing seat 51 is fixed on the base 1, the top of the fixing seat 51 is fixedly provided with a connecting plate push-pull type clamp 52, the output shaft of the connecting plate push-pull type clamp 52 is arranged toward the cone positioning mechanism 2, a fixing block 53 is fixedly provided on the output shaft of the connecting plate push-pull type clamp 52, a connecting plate pressing pad 54 is fixedly provided on the end of the fixing block 53 away from the connecting plate push-pull type clamp 52, and the fixing seat 51 Connecting seats 55 are fixedly provided on both sides of the lower part, and push-type quick clamps 56 are fixedly provided on the connecting seats 55. Straight-edge pads 57 are fixedly provided on the output ends of the push-type quick clamps 56. The fixing blocks 53 are pushed out by the connecting plate push-pull type clamp 52, so as to press the side of the connecting plate 124, and press the connecting plate 124 against the outer wall of the cone body 121 to realize the positioning of the connecting plate 124; the straight-edge pads 57 are respectively pushed out by two push-type quick clamps 56 to realize the pressing and positioning of the straight edge 127 of the cone.

[0067] like Figure 7 As shown, there are multiple cone arc-shaped edge positioning mechanisms 6, and multiple cone arc-shaped edge positioning mechanisms 6 are evenly arranged on the side of the cone positioning mechanism 2 away from the connecting plate and the cone straight edge clamping mechanism 5; the cone arc-shaped edge positioning mechanism 6 includes an arc-shaped edge positioning base plate 61, and an arc-shaped edge positioning cylinder 62 is fixedly provided on the arc-shaped edge positioning base plate 61, and the output shaft of the arc-shaped edge positioning cylinder 62 is arranged toward the bottom of the cone positioning mechanism 2, and an arc-shaped edge clamping plate 63 is fixedly provided on the output shaft of the arc-shaped edge positioning cylinder 62, and the arc-shaped edge clamping plate 63 is driven by multiple arc-shaped edge positioning cylinders 62 to press against the cone arc-shaped edge 1210, thereby ensuring the stability of the positioning of the cone arc-shaped edge 1210.

[0068] like Figure 8As shown, in the embodiment of the present utility model, the number of the flange baffle and connecting plate positioning mechanisms 7 is two, and the two flange baffle and connecting plate positioning mechanisms 7 are symmetrically arranged on both sides of the cone positioning mechanism 2, and the flange baffle and connecting plate positioning mechanisms 7 include a flange baffle positioning seat 71, and the flange baffle positioning seat 71 is fixed on the base 1, and a flange positioning guide seat 72 is fixedly arranged on the top of the flange baffle positioning seat 71, and a flange positioning rod 73 is provided on the flange pressing guide seat, and one end of the flange positioning rod 73 is pivotally connected to the flange pressing guide seat through a flange fixed rotation pin 74 to realize the flipping of the flange guide rod in the vertical direction, and a flange positioning pin 75 is fixedly arranged at the bottom of the other end of the flange positioning rod 73, and a first locking member 76 for locking the flange positioning rod 73 is provided on the flange pressing guide seat; baffle and connecting plate guide seats 77 are fixedly arranged on both sides of the middle part of the flange baffle positioning seat 71, and each of the baffle and connecting plate guide seats 77 A baffle plate and connecting plate positioning rod 78 is provided on each of the baffle plate and connecting plate positioning rods 78. One end of the baffle plate and connecting plate positioning rod 78 is pivotally connected to the baffle plate and connecting plate guide seat 77 through a vertically arranged baffle plate and connecting plate positioning pin 79 to realize the horizontal flipping of the baffle plate and connecting plate positioning rod 78. A baffle plate pad 710 for abutting against the side wall and end wall of the cone baffle 123 of the outer cone 12 is fixed in the middle of the upper surface of the baffle plate and connecting plate positioning rod 78. The top of the other end of the baffle plate and connecting plate positioning rod 78 A connecting plate pad 711 is provided for supporting the connecting plate 124 and abutting the end of the connecting plate 124. The baffle plate and connecting plate guide seat 77 are provided with a second locking member 712 for locking the baffle plate and connecting plate positioning rod 78. In an embodiment of the utility model, the first locking member 76 and the second locking member 712 can be locking bolts or hand-inserted pins to achieve accurate positioning of the conical flange 122, the conical baffle plate 123 and the connecting plate 124, thereby improving the quality of welding.

[0069] like Fig. 9As shown, the baffle weld part positioning mechanism 9 includes a weld part positioning seat 91, the weld part positioning seat 91 is fixed on the base 1, a weld part support seat 92 is fixedly provided in the middle of the weld part positioning seat 91, a weld part support pad 94 for supporting the cone weld part is rotatably provided on the weld part support seat 92 through a vertically arranged weld part support pin 93; a weld part push-pull type clamp 95 is fixedly provided on the top of the weld part positioning seat 91, the output shaft of the weld part push-pull clamp 95 faces the cone positioning mechanism 2, a weld part positioning disk 96 is fixedly provided on the output shaft of the weld part push-pull clamp 95, and a plurality of weld part positioning pads 97 are evenly provided on the periphery of the end surface of the weld part positioning disk 96 facing the cone positioning mechanism 2. The weld support pad 94 supports the bottom of the cone weld, and then the weld positioning plate 96 is pushed out by the weld push-pull clamp 95, so that multiple weld positioning pads 97 are correspondingly inserted into the holes of the cone weld to achieve support and positioning of the cone weld.

[0070] like Fig.10 As shown, it also includes a cone straight edge positioning mechanism 10, which includes a straight edge positioning seat 101. The straight edge positioning seat 101 is fixed on the base 1, and the straight edge positioning seat 101 is fixedly arranged on the inner side of the cone positioning mechanism 2. A straight edge positioning cylinder 102 is fixedly arranged on the straight edge positioning seat 101, and the output shaft of the straight edge positioning cylinder 102 is arranged toward the outer side of the cone positioning mechanism 2. A straight edge positioning block 103 for pressing the cone straight edge 127 is fixedly arranged on the output shaft of the straight edge positioning cylinder 102. The positioning cylinder pushes out the straight edge positioning block 103 to press the cone straight edge 127, and the pressing and positioning of the cone straight edge 127 is achieved in cooperation with the straight edge pad 57 fixedly arranged on the output end of the push-type quick clamp 56.

[0071] Operation sequence: first operate the air system to raise the piston rod of the cone clamping cylinder 32 of the cone clamping mechanism 3, to move the arc edge positioning cylinder 62 of the multiple cone arc edge positioning mechanism 6 back, and to open the cylinder of the front crossbeam and corner piece positioning mechanism 4. Then put the front crossbeam 128 of the outer cone 12 on the two crossbeam support seats 42, and fix it in place through the crossbeam positioning pins 43, and then put the cone arc edge 1210 on the tooling, and support it through the arc edge support plate fixed on the base 1, fix the inner arc surface with the cone positioning mechanism 2, and fix the rotation direction with the angle positioning mechanism.

[0072] Then operate the air system to allow the arc-shaped edge positioning cylinder 62 of the cone arc-shaped edge positioning mechanism 6 to clamp the cone arc-shaped edge 1210, and then put the two side plates 1211 into the side plate positioning grooves 82, and then operate the air system to allow the piston rod of the straight edge positioning cylinder 102 of the cone straight edge positioning mechanism 10 to push out the straight edge positioning block 103 to fix the cone straight edge 127, and use the connecting plate and the flat push type quick clamp 56 of the cone straight edge clamping mechanism 5 with the straight edge pad 57 to clamp the cone straight edge 127, and then place the cone body 121 on the cone positioning mechanism 2 , use the angle positioning mechanism to fix the rotation position of the cone body 121, then place the clamping frame 35 of the cone clamping mechanism 3 on the upper port of the cone body 121, fix the clamping frame 35 on the clamping shaft 33 through the clamping plate 36, and then operate the air system to retract the piston rod of the cone clamping cylinder 32, moving the clamping shaft 33 and the clamping frame 35 downward, thereby pressing the cone body 121 to move downward, and when the clamping frame 35 abuts against the uppermost annular plate 21 of the cone positioning mechanism 2, it stops. At this time, the cone body 121 is in the correct welding position.

[0073] Then, the two corner pieces 129 of the outer cone 12 are placed on the two corner piece support seats 44, and the upper surfaces of the two corner pieces 129 are clamped by the two pressing mechanisms 411. Then, the air circuit system is operated to allow the two crossbeam clamping cylinders 45 to clamp the upper surface of the front crossbeam 128 and the vertical edges of the two corner pieces 129 with the crossbeam clamping plates 46. Then, the weld support pad 94 of the baffle weld positioning mechanism 9 is used to support the lower end of the baffle weld 125, and the weld positioning plate 96 is used to fix the hole of the baffle weld 125.

[0074] The connecting plate pressing pad 54 of the connecting plate and cone straight edge clamping mechanism 5 is used to hold the connecting plate 124, the connecting plate pads 711 of the two flange baffles and the connecting plate positioning mechanism 7 are used to fix the left and right ends and the bottom of the connecting plate 124, the baffle pads 710 are used to fix the left and right ends and the bottom of the cone baffle 123, and the flange positioning pins 75 of the flange baffle and the connecting plate positioning mechanism 7 are used to fix the upper plane and the hole of the cone flange 122. The flange positioning pins 75 are threaded pins, which also play the role of clamping the cone flange 122. Then, the left and right connecting ears 126 are fixed in place by the left and right connecting ear positioning mechanisms 11, and each weld is welded by a welding machine.

[0075] Finally, the two cone baffles 123 are placed against the cone flange 122 and the cone baffle 123 and welded. Then all clamps are released and the welded outer cone 12 is removed from the tooling. All the grass guides are welded along the track lines engraved by the laser machine on the inner cone surface of the cone body 121. At this point, the operation is completed.

[0076] The utility model accurately positions and clamps all the welding parts of the outer cone 12, and adopts cylinder-driven clamping, which has a high degree of automation, greatly improves production efficiency, and saves time and labor.

[0077] In the description of the present invention, it should be understood that the terms "center", "length", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "inside", "outside", "peripheral", "circumferential" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred system or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0078] In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0079] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0080] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0081] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A wheat harvester outer cone welding tool, characterized in that: The invention comprises a base (1), the base (1) being fixedly provided with a cone positioning mechanism (2) for positioning the inner arc surface of a cone body (121) of an outer cone (12), the inner side of the cone positioning mechanism (2) being fixedly provided with a cone clamping mechanism (3) for pressing down the cone body (121), and the base (1) being fixedly provided with a front cross beam (128) and a corner piece (129) for positioning the outer cone (12) on the outer side of the cone positioning mechanism (2). A front crossbeam and corner piece positioning mechanism (4) for supporting and positioning; a connecting plate and cone straight edge clamping mechanism (5) for supporting and positioning the cone straight edge (127) and the connecting plate (124) of the outer cone (12) is fixedly provided on the base (1) on the outside of the cone positioning mechanism (2); a connecting plate and cone straight edge clamping mechanism (5) for supporting and positioning the cone curved edge (121) of the outer cone (12) is fixedly provided on the base (1) on the side of the cone positioning mechanism (2) relative to the connecting plate and cone straight edge clamping mechanism (5) 0) for supporting and positioning the cone arc-shaped edge positioning mechanism (6); the base (1) on both sides of the cone positioning mechanism (2) is fixedly provided with a flange baffle and connecting plate positioning mechanism (7) for supporting and positioning the cone flange (122), cone baffle (123) and connecting plate (124) of the outer cone (12); the base (1) on both sides of the cone positioning mechanism (2) is respectively fixedly provided with a side plate positioning mechanism (8) for supporting and positioning the side plate (1211) of the outer cone (12); the base (1) on the outside of the cone positioning mechanism (2) is fixedly provided with a baffle welding part positioning mechanism (9) for supporting and positioning the baffle welding part (125) of the outer cone (12); the base (1) on the outside of the cone positioning mechanism (2) is fixedly provided with a left and right connecting ear positioning mechanism (11) for supporting and positioning the left and right connecting ears (126) of the outer cone (12).

2. The outer cone welding tool for a wheat harvester according to claim 1, characterized in that: The cone positioning mechanism (2) comprises a plurality of annular plates (21) arranged at intervals from top to bottom and a plurality of arc plates (22) arranged at intervals below the annular plates (21); the annular plates (21) and the arc plates (22) are arranged coaxially; two adjacent annular plates (21) are fixedly connected via a rib plate (23); the outer diameters of the plurality of annular plates (21) increase from top to bottom; adjacent arc plates (22) and the arc plates (22) and the annular plates (21) are fixedly connected via positioning pins (24); and the arc plate (22) at the bottom is fixedly arranged on the base (1).

3. The outer cone welding tool for a wheat harvester according to claim 2, characterized in that: The cone clamping mechanism (3) comprises a clamping cylinder base (31), the clamping cylinder base (31) is fixed on the base (1), and the clamping cylinder base (31) is arranged on the inner side of the arc plate (22), a clamping cylinder (32) is fixed on the clamping cylinder base (31), the output shaft of the clamping cylinder (32) is vertically arranged and fixedly connected to the bottom end of the vertically arranged clamping shaft (33), the top end of the clamping shaft (33) is integrally fixedly connected with a threaded section (34), the threaded section (34) is fixedly connected to the top end of the clamping shaft (33), and the threaded section (34) is fixedly connected to the top end of the clamping shaft (33). The diameter of the segment (34) is smaller than the diameter of the clamping shaft (33), so that a step structure is formed at the connection between the threaded segment (34) and the clamping shaft (33), a clamping frame (35) is sleeved on the threaded segment (34), and the clamping frame (35) is placed on the step structure. The top of the threaded segment (34) is threadedly connected with a clamping disk (36) for locking the clamping frame (35) on the step structure, and a plurality of downward-pressing quick clamps (37) are evenly arranged on the periphery of the clamping frame (35).

4. The outer cone welding tool for a wheat harvester according to claim 1, characterized in that: The number of the front cross beam and corner piece positioning mechanisms (4) is two, the two front cross beam and corner piece positioning mechanisms (4) are arranged at intervals on the same side of the cone positioning mechanism (2), and the two front cross beam and corner piece positioning mechanisms (4) are symmetrically arranged; the front cross beam and corner piece positioning mechanisms (4) include a cross beam support base plate (41), the cross beam support base plate (41) is fixedly arranged on the base (1), a cross beam support seat (42) is fixedly arranged on the cross beam support base plate (41), and a cross beam positioning pin (43) is fixedly arranged on the top of the cross beam support seat (42); A corner piece support seat (44) for supporting the corner piece (129) is fixedly provided on the base (1) next to the crossbeam support seat (42); A beam clamping cylinder (45) is fixedly provided on the base (1) at a side of the beam support seat (42) away from the cone positioning mechanism (2), the output shaft of the beam clamping cylinder (45) faces the beam support seat (42), and a beam clamping plate (46) is fixedly connected to the output shaft of the beam clamping cylinder (45), and a beam pressing pad (47) for pressing against the upper surface of the front beam (128) of the outer cone (12) is provided at the bottom of the beam clamping plate (46) at one end away from the beam clamping cylinder (45), and an angle piece pressing pad (48) for pressing against the side wall of the angle piece (129) is provided at the end of the beam clamping plate (46) at one end away from the beam clamping cylinder (45); A corner piece clamping seat (49) is fixedly provided on the base (1) on one side of the corner piece supporting seat (44), a support arm (410) is fixedly provided on the top of the corner piece clamping seat (49), and a pressing mechanism (411) for pressing the upper surface of the corner piece (129) is installed on the top of the support arm (410).

5. The outer cone welding tool for a wheat harvester according to claim 1, characterized in that: The number of the cone arc-shaped edge positioning mechanisms (6) is multiple, and the multiple cone arc-shaped edge positioning mechanisms (6) are evenly arranged on a side of the cone positioning mechanism (2) away from the connecting plate and the cone straight edge clamping mechanism (5); the cone arc-shaped edge positioning mechanism (6) comprises an arc-shaped edge positioning base plate (61), an arc-shaped edge positioning cylinder (62) is fixedly arranged on the arc-shaped edge positioning base plate (61), the output shaft of the arc-shaped edge positioning cylinder (62) is arranged toward the bottom of the cone positioning mechanism (2), and an arc-shaped edge clamping plate (63) is fixedly arranged on the output shaft of the arc-shaped edge positioning cylinder (62).

6. The outer cone welding tool for a wheat harvester according to claim 1, characterized in that: The number of the flange baffle and connecting plate positioning mechanisms (7) is two, and the two flange baffle and connecting plate positioning mechanisms (7) are symmetrically arranged on both sides of the cone positioning mechanism (2). The flange baffle and connecting plate positioning mechanisms (7) include a flange baffle positioning seat (71), the flange baffle positioning seat (71) is fixed on the base (1), a flange positioning guide seat (72) is fixedly arranged on the top of the flange baffle positioning seat (71), a flange positioning rod (73) is arranged on the flange pressing guide seat, one end of the flange positioning rod (73) is pivotally connected to the flange pressing guide seat through a flange fixed rotating pin (74) to realize the turning of the flange guide rod in the vertical direction, a flange positioning pin (75) is fixedly arranged on the bottom of the other end of the flange positioning rod (73), and a first locking member (76) for locking the flange positioning rod (73) is arranged on the flange pressing guide seat; the positioning seat A baffle and connecting plate guide seat (77) is fixedly provided on both sides of the middle part of (71), and each of the baffle and connecting plate guide seats (77) is provided with a baffle and connecting plate positioning rod (78), one end of the baffle and connecting plate positioning rod (78) is pivotally connected to the baffle and connecting plate guide seat (77) through a vertically arranged baffle and connecting plate positioning pin (79) to realize the horizontal flipping of the baffle and connecting plate positioning rod (78), a baffle pad (710) for abutting against the side wall of the cone baffle (123) of the outer cone (12) is fixedly provided in the middle part of the upper surface of the baffle and connecting plate positioning rod (78), a connecting plate pad (711) for supporting the connecting plate (124) is provided on the top of the other end of the baffle and connecting plate positioning rod (78), and a second locking member (712) for locking the baffle and connecting plate positioning rod (78) is provided on the baffle and connecting plate guide seat (77).

7. A wheat harvester outer cone welding tool according to any one of claims 1 to 6, characterized in that: The connecting plate and cone straight edge clamping mechanism (5) comprises a fixed seat (51), the bottom of the fixed seat (51) is fixed on the base (1), a connecting plate push-pull type clamp (52) is fixedly arranged on the top of the fixed seat (51), the output shaft of the connecting plate push-pull type clamp (52) is arranged toward the cone positioning mechanism (2), a fixing block (53) is fixedly arranged on the output shaft of the connecting plate push-pull type clamp (52), a connecting plate clamping pad (54) is fixedly arranged on one end of the fixing block (53) away from the connecting plate push-pull type clamp (52), connecting seats (55) are fixedly arranged on both sides of the lower part of the fixed seat (51), a flat push type quick clamp (56) is fixedly arranged on the connecting seat (55), and a straight edge pad (57) is fixedly arranged on the output end of the flat push type quick clamp (56).

8. A wheat harvester outer cone welding tool according to any one of claims 1 to 6, characterized in that: The side panel positioning mechanism (8) comprises two groups of side panel positioning assemblies, the two groups of side panel positioning assemblies are symmetrically arranged on both sides of the cone positioning mechanism (2), each group of the side panel positioning assemblies comprises two side panel positioning seats (81), the side panel positioning seats (81) are provided with side panel positioning grooves (82) for inserting the side panels (1211) of the outer cone (12), and the side panel positioning grooves (82) on the two side panel positioning seats (81) in each group of the side panel positioning assemblies are located on the same vertical plane.

9. A wheat harvester outer cone welding tool according to any one of claims 1 to 6, characterized in that: The baffle plate welded component positioning mechanism (9) comprises a welded component positioning seat (91), the welded component positioning seat (91) is fixed on the base (1), a welded component support seat (92) is fixedly provided in the middle of the welded component positioning seat (91), a welded component support pad (94) for supporting the cone welded component is rotatably provided on the welded component support seat (92) via a vertically arranged welded component support pin shaft (93); a welded component push-pull type clamp (95) is fixedly provided on the top of the welded component positioning seat (91), the output shaft of the welded component push-pull type clamp (95) faces the cone positioning mechanism (2), a welded component positioning disk (96) is fixedly provided on the output shaft of the welded component push-pull type clamp (95), and a plurality of welded component positioning pads (97) are evenly provided on the periphery of the end surface of the welded component positioning disk (96) facing the cone positioning mechanism (2).

10. A wheat harvester outer cone welding tool according to any one of claims 1 to 6, characterized in that: The invention also comprises a cone straight edge positioning mechanism (10), wherein the cone straight edge positioning mechanism (10) comprises a straight edge positioning seat (101), the straight edge positioning seat (101) is fixed on the base (1), and the straight edge positioning seat (101) is fixedly arranged on the inner side of the cone positioning mechanism (2), a straight edge positioning cylinder (102) is fixedly arranged on the straight edge positioning seat (101), the output shaft of the straight edge positioning cylinder (102) is arranged toward the outer side of the cone positioning mechanism (2), and a straight edge positioning block (103) for pressing the cone straight edge (127) is fixedly arranged on the output shaft of the straight edge positioning cylinder (102).

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